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zhongjin 2022-12-02 14:51:59 +08:00
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Alc/ALc.c Normal file
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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#ifdef _WIN32
#ifdef __MINGW64__
#define _WIN32_IE 0x501
#else
#define _WIN32_IE 0x400
#endif
#endif
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include "alMain.h"
#ifdef _WIN32_IE
#include <shlobj.h>
#endif
typedef struct ConfigEntry {
char *key;
char *value;
} ConfigEntry;
typedef struct ConfigBlock {
char *name;
ConfigEntry *entries;
size_t entryCount;
} ConfigBlock;
static ConfigBlock *cfgBlocks;
static size_t cfgCount;
static char buffer[1024];
static void LoadConfigFromFile(FILE *f)
{
ConfigBlock *curBlock = cfgBlocks;
ConfigEntry *ent;
while(fgets(buffer, sizeof(buffer), f))
{
size_t i = 0;
while(isspace(buffer[i]))
i++;
if(!buffer[i] || buffer[i] == '#')
continue;
memmove(buffer, buffer+i, strlen(buffer+i)+1);
if(buffer[0] == '[')
{
ConfigBlock *nextBlock;
i = 1;
while(buffer[i] && buffer[i] != ']')
i++;
if(!buffer[i])
{
AL_PRINT("config parse error: bad line \"%s\"\n", buffer);
continue;
}
buffer[i] = 0;
do {
i++;
if(buffer[i] && !isspace(buffer[i]))
{
if(buffer[i] != '#')
AL_PRINT("config warning: extra data after block: \"%s\"\n", buffer+i);
break;
}
} while(buffer[i]);
nextBlock = NULL;
for(i = 0;i < cfgCount;i++)
{
if(strcasecmp(cfgBlocks[i].name, buffer+1) == 0)
{
nextBlock = cfgBlocks+i;
// AL_PRINT("found block '%s'\n", nextBlock->name);
break;
}
}
if(!nextBlock)
{
nextBlock = realloc(cfgBlocks, (cfgCount+1)*sizeof(ConfigBlock));
if(!nextBlock)
{
AL_PRINT("config parse error: error reallocating config blocks\n");
continue;
}
cfgBlocks = nextBlock;
nextBlock = cfgBlocks+cfgCount;
cfgCount++;
nextBlock->name = strdup(buffer+1);
nextBlock->entries = NULL;
nextBlock->entryCount = 0;
// AL_PRINT("found new block '%s'\n", nextBlock->name);
}
curBlock = nextBlock;
continue;
}
/* Look for the option name */
i = 0;
while(buffer[i] && buffer[i] != '#' && buffer[i] != '=' &&
!isspace(buffer[i]))
i++;
if(!buffer[i] || buffer[i] == '#' || i == 0)
{
AL_PRINT("config parse error: malformed option line: \"%s\"\n", buffer);
continue;
}
/* Seperate the option */
if(buffer[i] != '=')
{
buffer[i++] = 0;
while(isspace(buffer[i]))
i++;
if(buffer[i] != '=')
{
AL_PRINT("config parse error: option without a value: \"%s\"\n", buffer);
continue;
}
}
/* Find the start of the value */
buffer[i++] = 0;
while(isspace(buffer[i]))
i++;
/* Check if we already have this option set */
ent = curBlock->entries;
while((size_t)(ent-curBlock->entries) < curBlock->entryCount)
{
if(strcasecmp(ent->key, buffer) == 0)
break;
ent++;
}
if((size_t)(ent-curBlock->entries) >= curBlock->entryCount)
{
/* Allocate a new option entry */
ent = realloc(curBlock->entries, (curBlock->entryCount+1)*sizeof(ConfigEntry));
if(!ent)
{
AL_PRINT("config parse error: error reallocating config entries\n");
continue;
}
curBlock->entries = ent;
ent = curBlock->entries + curBlock->entryCount;
curBlock->entryCount++;
ent->key = strdup(buffer);
ent->value = NULL;
}
/* Look for the end of the line (Null term, new-line, or #-symbol) and
eat up the trailing whitespace */
memmove(buffer, buffer+i, strlen(buffer+i)+1);
i = 0;
while(buffer[i] && buffer[i] != '#' && buffer[i] != '\n')
i++;
do {
i--;
} while(isspace(buffer[i]));
buffer[++i] = 0;
free(ent->value);
ent->value = strdup(buffer);
// AL_PRINT("found '%s' = '%s'\n", ent->key, ent->value);
}
}
void ReadALConfig(void)
{
FILE *f;
cfgBlocks = calloc(1, sizeof(ConfigBlock));
cfgBlocks->name = strdup("general");
cfgCount = 1;
#ifdef _WIN32
if(SHGetSpecialFolderPathA(NULL, buffer, CSIDL_APPDATA, FALSE) != FALSE)
{
size_t p = strlen(buffer);
snprintf(buffer+p, sizeof(buffer)-p, "\\alsoft.ini");
f = fopen(buffer, "rt");
if(f)
{
LoadConfigFromFile(f);
fclose(f);
}
}
#else
f = fopen("/etc/openal/alsoft.conf", "r");
if(f)
{
LoadConfigFromFile(f);
fclose(f);
}
if(getenv("HOME") && *(getenv("HOME")))
{
snprintf(buffer, sizeof(buffer), "%s/.alsoftrc", getenv("HOME"));
f = fopen(buffer, "r");
if(f)
{
LoadConfigFromFile(f);
fclose(f);
}
}
#endif
if(getenv("ALSOFT_CONF"))
{
f = fopen(getenv("ALSOFT_CONF"), "r");
if(f)
{
LoadConfigFromFile(f);
fclose(f);
}
}
}
void FreeALConfig(void)
{
size_t i;
for(i = 0;i < cfgCount;i++)
{
size_t j;
for(j = 0;j < cfgBlocks[i].entryCount;j++)
{
free(cfgBlocks[i].entries[j].key);
free(cfgBlocks[i].entries[j].value);
}
free(cfgBlocks[i].entries);
free(cfgBlocks[i].name);
}
free(cfgBlocks);
cfgBlocks = NULL;
cfgCount = 0;
}
const char *GetConfigValue(const char *blockName, const char *keyName, const char *def)
{
size_t i, j;
if(!keyName)
return def;
if(!blockName)
blockName = "general";
for(i = 0;i < cfgCount;i++)
{
if(strcasecmp(cfgBlocks[i].name, blockName) != 0)
continue;
for(j = 0;j < cfgBlocks[i].entryCount;j++)
{
if(strcasecmp(cfgBlocks[i].entries[j].key, keyName) == 0)
{
if(cfgBlocks[i].entries[j].value[0])
return cfgBlocks[i].entries[j].value;
return def;
}
}
}
return def;
}
int ConfigValueExists(const char *blockName, const char *keyName)
{
const char *val = GetConfigValue(blockName, keyName, "");
return !!val[0];
}
int GetConfigValueInt(const char *blockName, const char *keyName, int def)
{
const char *val = GetConfigValue(blockName, keyName, "");
if(!val[0]) return def;
return strtol(val, NULL, 0);
}
float GetConfigValueFloat(const char *blockName, const char *keyName, float def)
{
const char *val = GetConfigValue(blockName, keyName, "");
if(!val[0]) return def;
#ifdef HAVE_STRTOF
return strtof(val, NULL);
#else
return (float)strtod(val, NULL);
#endif
}
int GetConfigValueBool(const char *blockName, const char *keyName, int def)
{
const char *val = GetConfigValue(blockName, keyName, "");
if(!val[0]) return !!def;
return (strcasecmp(val, "true") == 0 || strcasecmp(val, "yes") == 0 ||
strcasecmp(val, "on") == 0 || atoi(val) != 0);
}

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/**
* OpenAL cross platform audio library
* Copyright (C) 2009 by Chris Robinson.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <math.h>
#include <stdlib.h>
#include "alMain.h"
#include "alFilter.h"
#include "alAuxEffectSlot.h"
#include "alError.h"
#include "alu.h"
typedef struct ALechoState {
// Must be first in all effects!
ALeffectState state;
ALfloat *SampleBuffer;
ALuint BufferLength;
// The echo is two tap. The delay is the number of samples from before the
// current offset
struct {
ALuint delay;
} Tap[2];
ALuint Offset;
// The LR gains for the first tap. The second tap uses the reverse
ALfloat GainL;
ALfloat GainR;
ALfloat FeedGain;
ALfloat Gain[MAXCHANNELS];
FILTER iirFilter;
ALfloat history[2];
} ALechoState;
static ALvoid EchoDestroy(ALeffectState *effect)
{
ALechoState *state = (ALechoState*)effect;
if(state)
{
free(state->SampleBuffer);
state->SampleBuffer = NULL;
free(state);
}
}
static ALboolean EchoDeviceUpdate(ALeffectState *effect, ALCdevice *Device)
{
ALechoState *state = (ALechoState*)effect;
ALuint maxlen, i;
// Use the next power of 2 for the buffer length, so the tap offsets can be
// wrapped using a mask instead of a modulo
maxlen = (ALuint)(AL_ECHO_MAX_DELAY * Device->Frequency) + 1;
maxlen += (ALuint)(AL_ECHO_MAX_LRDELAY * Device->Frequency) + 1;
maxlen = NextPowerOf2(maxlen);
if(maxlen != state->BufferLength)
{
void *temp;
temp = realloc(state->SampleBuffer, maxlen * sizeof(ALfloat));
if(!temp)
return AL_FALSE;
state->SampleBuffer = temp;
state->BufferLength = maxlen;
}
for(i = 0;i < state->BufferLength;i++)
state->SampleBuffer[i] = 0.0f;
for(i = 0;i < MAXCHANNELS;i++)
state->Gain[i] = 0.0f;
for(i = 0;i < Device->NumChan;i++)
{
Channel chan = Device->Speaker2Chan[i];
state->Gain[chan] = 1.0f;
}
return AL_TRUE;
}
static ALvoid EchoUpdate(ALeffectState *effect, ALCcontext *Context, const ALeffect *Effect)
{
ALechoState *state = (ALechoState*)effect;
ALuint frequency = Context->Device->Frequency;
ALfloat lrpan, cw, a, g;
state->Tap[0].delay = (ALuint)(Effect->Echo.Delay * frequency) + 1;
state->Tap[1].delay = (ALuint)(Effect->Echo.LRDelay * frequency);
state->Tap[1].delay += state->Tap[0].delay;
lrpan = Effect->Echo.Spread*0.5f + 0.5f;
state->GainL = aluSqrt( lrpan);
state->GainR = aluSqrt(1.0f-lrpan);
state->FeedGain = Effect->Echo.Feedback;
cw = cos(2.0*M_PI * LOWPASSFREQCUTOFF / frequency);
g = 1.0f - Effect->Echo.Damping;
a = 0.0f;
if(g < 0.9999f) // 1-epsilon
a = (1 - g*cw - aluSqrt(2*g*(1-cw) - g*g*(1 - cw*cw))) / (1 - g);
state->iirFilter.coeff = a;
}
static ALvoid EchoProcess(ALeffectState *effect, const ALeffectslot *Slot, ALuint SamplesToDo, const ALfloat *SamplesIn, ALfloat (*SamplesOut)[MAXCHANNELS])
{
ALechoState *state = (ALechoState*)effect;
const ALuint mask = state->BufferLength-1;
const ALuint tap1 = state->Tap[0].delay;
const ALuint tap2 = state->Tap[1].delay;
ALuint offset = state->Offset;
const ALfloat gain = Slot->Gain;
ALfloat samp[2], smp;
ALuint i;
for(i = 0;i < SamplesToDo;i++,offset++)
{
// Sample first tap
smp = state->SampleBuffer[(offset-tap1) & mask];
samp[0] = smp * state->GainL;
samp[1] = smp * state->GainR;
// Sample second tap. Reverse LR panning
smp = state->SampleBuffer[(offset-tap2) & mask];
samp[0] += smp * state->GainR;
samp[1] += smp * state->GainL;
// Apply damping and feedback gain to the second tap, and mix in the
// new sample
smp = lpFilter2P(&state->iirFilter, 0, smp+SamplesIn[i]);
state->SampleBuffer[offset&mask] = smp * state->FeedGain;
// Apply slot gain
samp[0] *= gain;
samp[1] *= gain;
SamplesOut[i][FRONT_LEFT] += state->Gain[FRONT_LEFT] * samp[0];
SamplesOut[i][FRONT_RIGHT] += state->Gain[FRONT_RIGHT] * samp[1];
SamplesOut[i][SIDE_LEFT] += state->Gain[SIDE_LEFT] * samp[0];
SamplesOut[i][SIDE_RIGHT] += state->Gain[SIDE_RIGHT] * samp[1];
SamplesOut[i][BACK_LEFT] += state->Gain[BACK_LEFT] * samp[0];
SamplesOut[i][BACK_RIGHT] += state->Gain[BACK_RIGHT] * samp[1];
}
state->Offset = offset;
}
ALeffectState *EchoCreate(void)
{
ALechoState *state;
state = malloc(sizeof(*state));
if(!state)
return NULL;
state->state.Destroy = EchoDestroy;
state->state.DeviceUpdate = EchoDeviceUpdate;
state->state.Update = EchoUpdate;
state->state.Process = EchoProcess;
state->BufferLength = 0;
state->SampleBuffer = NULL;
state->Tap[0].delay = 0;
state->Tap[1].delay = 0;
state->Offset = 0;
state->GainL = 0.0f;
state->GainR = 0.0f;
state->iirFilter.coeff = 0.0f;
state->iirFilter.history[0] = 0.0f;
state->iirFilter.history[1] = 0.0f;
return &state->state;
}

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/**
* OpenAL cross platform audio library
* Copyright (C) 2009 by Chris Robinson.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <math.h>
#include <stdlib.h>
#include "alMain.h"
#include "alFilter.h"
#include "alAuxEffectSlot.h"
#include "alError.h"
#include "alu.h"
typedef struct ALmodulatorState {
// Must be first in all effects!
ALeffectState state;
enum {
SINUSOID,
SAWTOOTH,
SQUARE
} Waveform;
ALuint index;
ALuint step;
ALfloat Gain[MAXCHANNELS];
FILTER iirFilter;
ALfloat history[1];
} ALmodulatorState;
#define WAVEFORM_FRACBITS 16
#define WAVEFORM_FRACMASK ((1<<WAVEFORM_FRACBITS)-1)
static __inline ALfloat sin_func(ALuint index)
{
return sin(index / (double)(1<<WAVEFORM_FRACBITS) * M_PI * 2.0f);
}
static __inline ALfloat saw_func(ALuint index)
{
return index*2.0f/(1<<WAVEFORM_FRACBITS) - 1.0f;
}
static __inline ALfloat square_func(ALuint index)
{
return ((index>>(WAVEFORM_FRACBITS-1))&1) ? -1.0f : 1.0f;
}
static __inline ALfloat hpFilter1P(FILTER *iir, ALuint offset, ALfloat input)
{
ALfloat *history = &iir->history[offset];
ALfloat a = iir->coeff;
ALfloat output = input;
output = output + (history[0]-output)*a;
history[0] = output;
return input - output;
}
static ALvoid ModulatorDestroy(ALeffectState *effect)
{
ALmodulatorState *state = (ALmodulatorState*)effect;
free(state);
}
static ALboolean ModulatorDeviceUpdate(ALeffectState *effect, ALCdevice *Device)
{
ALmodulatorState *state = (ALmodulatorState*)effect;
ALuint index;
for(index = 0;index < MAXCHANNELS;index++)
state->Gain[index] = 0.0f;
for(index = 0;index < Device->NumChan;index++)
{
Channel chan = Device->Speaker2Chan[index];
state->Gain[chan] = 1.0f;
}
return AL_TRUE;
}
static ALvoid ModulatorUpdate(ALeffectState *effect, ALCcontext *Context, const ALeffect *Effect)
{
ALmodulatorState *state = (ALmodulatorState*)effect;
ALfloat cw, a = 0.0f;
if(Effect->Modulator.Waveform == AL_RING_MODULATOR_SINUSOID)
state->Waveform = SINUSOID;
else if(Effect->Modulator.Waveform == AL_RING_MODULATOR_SAWTOOTH)
state->Waveform = SAWTOOTH;
else if(Effect->Modulator.Waveform == AL_RING_MODULATOR_SQUARE)
state->Waveform = SQUARE;
state->step = Effect->Modulator.Frequency*(1<<WAVEFORM_FRACBITS) /
Context->Device->Frequency;
if(!state->step)
state->step = 1;
cw = cos(2.0*M_PI * Effect->Modulator.HighPassCutoff / Context->Device->Frequency);
a = (2.0f-cw) - aluSqrt(aluPow(2.0f-cw, 2.0f) - 1.0f);
state->iirFilter.coeff = a;
}
static ALvoid ModulatorProcess(ALeffectState *effect, const ALeffectslot *Slot, ALuint SamplesToDo, const ALfloat *SamplesIn, ALfloat (*SamplesOut)[MAXCHANNELS])
{
ALmodulatorState *state = (ALmodulatorState*)effect;
const ALfloat gain = Slot->Gain;
const ALuint step = state->step;
ALuint index = state->index;
ALfloat samp;
ALuint i;
switch(state->Waveform)
{
case SINUSOID:
for(i = 0;i < SamplesToDo;i++)
{
#define FILTER_OUT(func) do { \
samp = SamplesIn[i]; \
\
index += step; \
index &= WAVEFORM_FRACMASK; \
samp *= func(index); \
\
samp = hpFilter1P(&state->iirFilter, 0, samp); \
\
/* Apply slot gain */ \
samp *= gain; \
\
SamplesOut[i][FRONT_LEFT] += state->Gain[FRONT_LEFT] * samp; \
SamplesOut[i][FRONT_RIGHT] += state->Gain[FRONT_RIGHT] * samp; \
SamplesOut[i][FRONT_CENTER] += state->Gain[FRONT_CENTER] * samp; \
SamplesOut[i][SIDE_LEFT] += state->Gain[SIDE_LEFT] * samp; \
SamplesOut[i][SIDE_RIGHT] += state->Gain[SIDE_RIGHT] * samp; \
SamplesOut[i][BACK_LEFT] += state->Gain[BACK_LEFT] * samp; \
SamplesOut[i][BACK_RIGHT] += state->Gain[BACK_RIGHT] * samp; \
SamplesOut[i][BACK_CENTER] += state->Gain[BACK_CENTER] * samp; \
} while(0)
FILTER_OUT(sin_func);
}
break;
case SAWTOOTH:
for(i = 0;i < SamplesToDo;i++)
{
FILTER_OUT(saw_func);
}
break;
case SQUARE:
for(i = 0;i < SamplesToDo;i++)
{
FILTER_OUT(square_func);
#undef FILTER_OUT
}
break;
}
state->index = index;
}
ALeffectState *ModulatorCreate(void)
{
ALmodulatorState *state;
state = malloc(sizeof(*state));
if(!state)
return NULL;
state->state.Destroy = ModulatorDestroy;
state->state.DeviceUpdate = ModulatorDeviceUpdate;
state->state.Update = ModulatorUpdate;
state->state.Process = ModulatorProcess;
state->index = 0.0f;
state->step = 1.0f;
state->iirFilter.coeff = 0.0f;
state->iirFilter.history[0] = 0.0f;
return &state->state;
}

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <string.h>
#include <stdlib.h>
#include "alMain.h"
struct RingBuffer {
ALubyte *mem;
ALsizei frame_size;
ALsizei length;
ALint read_pos;
ALint write_pos;
CRITICAL_SECTION cs;
};
RingBuffer *CreateRingBuffer(ALsizei frame_size, ALsizei length)
{
RingBuffer *ring = calloc(1, sizeof(*ring));
if(ring)
{
ring->frame_size = frame_size;
ring->length = length+1;
ring->write_pos = 1;
ring->mem = malloc(ring->length * ring->frame_size);
if(!ring->mem)
{
free(ring);
ring = NULL;
}
InitializeCriticalSection(&ring->cs);
}
return ring;
}
void DestroyRingBuffer(RingBuffer *ring)
{
if(ring)
{
DeleteCriticalSection(&ring->cs);
free(ring->mem);
free(ring);
}
}
ALsizei RingBufferSize(RingBuffer *ring)
{
ALsizei s;
EnterCriticalSection(&ring->cs);
s = (ring->write_pos-ring->read_pos-1+ring->length) % ring->length;
LeaveCriticalSection(&ring->cs);
return s;
}
void WriteRingBuffer(RingBuffer *ring, const ALubyte *data, ALsizei len)
{
int remain;
EnterCriticalSection(&ring->cs);
remain = (ring->read_pos-ring->write_pos+ring->length) % ring->length;
if(remain < len) len = remain;
if(len > 0)
{
remain = ring->length - ring->write_pos;
if(remain < len)
{
memcpy(ring->mem+(ring->write_pos*ring->frame_size), data,
remain*ring->frame_size);
memcpy(ring->mem, data+(remain*ring->frame_size),
(len-remain)*ring->frame_size);
}
else
memcpy(ring->mem+(ring->write_pos*ring->frame_size), data,
len*ring->frame_size);
ring->write_pos += len;
ring->write_pos %= ring->length;
}
LeaveCriticalSection(&ring->cs);
}
void ReadRingBuffer(RingBuffer *ring, ALubyte *data, ALsizei len)
{
int remain;
EnterCriticalSection(&ring->cs);
remain = ring->length - ring->read_pos;
if(remain < len)
{
memcpy(data, ring->mem+(ring->read_pos*ring->frame_size), remain*ring->frame_size);
memcpy(data+(remain*ring->frame_size), ring->mem, (len-remain)*ring->frame_size);
}
else
memcpy(data, ring->mem+(ring->read_pos*ring->frame_size), len*ring->frame_size);
ring->read_pos += len;
ring->read_pos %= ring->length;
LeaveCriticalSection(&ring->cs);
}

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <stdlib.h>
#include "alMain.h"
#include "alThunk.h"
#ifdef _WIN32
typedef struct {
ALuint (*func)(ALvoid*);
ALvoid *ptr;
HANDLE thread;
} ThreadInfo;
static DWORD CALLBACK StarterFunc(void *ptr)
{
ThreadInfo *inf = (ThreadInfo*)ptr;
ALint ret;
ret = inf->func(inf->ptr);
ExitThread((DWORD)ret);
return (DWORD)ret;
}
ALvoid *StartThread(ALuint (*func)(ALvoid*), ALvoid *ptr)
{
DWORD dummy;
ThreadInfo *inf = malloc(sizeof(ThreadInfo));
if(!inf) return 0;
inf->func = func;
inf->ptr = ptr;
inf->thread = CreateThread(NULL, 0, StarterFunc, inf, 0, &dummy);
if(!inf->thread)
{
free(inf);
return NULL;
}
return inf;
}
ALuint StopThread(ALvoid *thread)
{
ThreadInfo *inf = thread;
DWORD ret = 0;
WaitForSingleObject(inf->thread, INFINITE);
GetExitCodeThread(inf->thread, &ret);
CloseHandle(inf->thread);
free(inf);
return (ALuint)ret;
}
#else
#include <pthread.h>
typedef struct {
ALuint (*func)(ALvoid*);
ALvoid *ptr;
ALuint ret;
pthread_t thread;
} ThreadInfo;
static void *StarterFunc(void *ptr)
{
ThreadInfo *inf = (ThreadInfo*)ptr;
inf->ret = inf->func(inf->ptr);
return NULL;
}
ALvoid *StartThread(ALuint (*func)(ALvoid*), ALvoid *ptr)
{
ThreadInfo *inf = malloc(sizeof(ThreadInfo));
if(!inf) return NULL;
inf->func = func;
inf->ptr = ptr;
if(pthread_create(&inf->thread, NULL, StarterFunc, inf) != 0)
{
free(inf);
return NULL;
}
return inf;
}
ALuint StopThread(ALvoid *thread)
{
ThreadInfo *inf = thread;
ALuint ret;
pthread_join(inf->thread, NULL);
ret = inf->ret;
free(inf);
return ret;
}
#endif

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/*-
* Copyright (c) 2005 Boris Mikhaylov
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "config.h"
#include <math.h>
#include "bs2b.h"
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
/* Single pole IIR filter.
* O[n] = a0*I[n] + a1*I[n-1] + b1*O[n-1]
*/
/* Lowpass filter */
#define lo_filter(in, out_1) (bs2b->a0_lo*(in) + bs2b->b1_lo*(out_1))
/* Highboost filter */
#define hi_filter(in, in_1, out_1) (bs2b->a0_hi*(in) + bs2b->a1_hi*(in_1) + bs2b->b1_hi*(out_1))
/* Set up all data. */
static void init(struct bs2b *bs2b)
{
double Fc_lo, Fc_hi;
double G_lo, G_hi;
double x;
if ((bs2b->srate > 192000) || (bs2b->srate < 2000))
bs2b->srate = BS2B_DEFAULT_SRATE;
switch(bs2b->level)
{
case BS2B_LOW_CLEVEL: /* Low crossfeed level */
Fc_lo = 360.0;
Fc_hi = 501.0;
G_lo = 0.398107170553497;
G_hi = 0.205671765275719;
break;
case BS2B_MIDDLE_CLEVEL: /* Middle crossfeed level */
Fc_lo = 500.0;
Fc_hi = 711.0;
G_lo = 0.459726988530872;
G_hi = 0.228208484414988;
break;
case BS2B_HIGH_CLEVEL: /* High crossfeed level (virtual speakers are closer to itself) */
Fc_lo = 700.0;
Fc_hi = 1021.0;
G_lo = 0.530884444230988;
G_hi = 0.250105790667544;
break;
case BS2B_LOW_ECLEVEL: /* Low easy crossfeed level */
Fc_lo = 360.0;
Fc_hi = 494.0;
G_lo = 0.316227766016838;
G_hi = 0.168236228897329;
break;
case BS2B_MIDDLE_ECLEVEL: /* Middle easy crossfeed level */
Fc_lo = 500.0;
Fc_hi = 689.0;
G_lo = 0.354813389233575;
G_hi = 0.187169483835901;
break;
default: /* High easy crossfeed level */
bs2b->level = BS2B_HIGH_ECLEVEL;
Fc_lo = 700.0;
Fc_hi = 975.0;
G_lo = 0.398107170553497;
G_hi = 0.205671765275719;
break;
} /* switch */
/* $fc = $Fc / $s;
* $d = 1 / 2 / pi / $fc;
* $x = exp(-1 / $d);
*/
x = exp(-2.0 * M_PI * Fc_lo / bs2b->srate);
bs2b->b1_lo = x;
bs2b->a0_lo = G_lo * (1.0 - x);
x = exp(-2.0 * M_PI * Fc_hi / bs2b->srate);
bs2b->b1_hi = x;
bs2b->a0_hi = 1.0 - G_hi * (1.0 - x);
bs2b->a1_hi = -x;
bs2b->gain = 1.0 / (1.0 - G_hi + G_lo);
} /* init */
/* Exported functions.
* See descriptions in "bs2b.h"
*/
void bs2b_set_level(struct bs2b *bs2b, int level)
{
if(level == bs2b->level)
return;
bs2b->level = level;
init(bs2b);
} /* bs2b_set_level */
int bs2b_get_level(struct bs2b *bs2b)
{
return bs2b->level;
} /* bs2b_get_level */
void bs2b_set_srate(struct bs2b *bs2b, int srate)
{
if (srate == bs2b->srate)
return;
bs2b->srate = srate;
init(bs2b);
} /* bs2b_set_srate */
int bs2b_get_srate(struct bs2b *bs2b)
{
return bs2b->srate;
} /* bs2b_get_srate */
void bs2b_clear(struct bs2b *bs2b)
{
int loopv = sizeof(bs2b->last_sample);
while (loopv)
{
((char *)&bs2b->last_sample)[--loopv] = 0;
}
} /* bs2b_clear */
int bs2b_is_clear(struct bs2b *bs2b)
{
int loopv = sizeof(bs2b->last_sample);
while (loopv)
{
if (((char *)&bs2b->last_sample)[--loopv] != 0)
return 0;
}
return 1;
} /* bs2b_is_clear */
void bs2b_cross_feed(struct bs2b *bs2b, float *sample)
{
/* Lowpass filter */
bs2b->last_sample.lo[0] = lo_filter(sample[0], bs2b->last_sample.lo[0]);
bs2b->last_sample.lo[1] = lo_filter(sample[1], bs2b->last_sample.lo[1]);
/* Highboost filter */
bs2b->last_sample.hi[0] = hi_filter(sample[0], bs2b->last_sample.asis[0], bs2b->last_sample.hi[0]);
bs2b->last_sample.hi[1] = hi_filter(sample[1], bs2b->last_sample.asis[1], bs2b->last_sample.hi[1]);
bs2b->last_sample.asis[0] = sample[0];
bs2b->last_sample.asis[1] = sample[1];
/* Crossfeed */
sample[0] = bs2b->last_sample.hi[0] + bs2b->last_sample.lo[1];
sample[1] = bs2b->last_sample.hi[1] + bs2b->last_sample.lo[0];
/* Bass boost cause allpass attenuation */
sample[0] *= bs2b->gain;
sample[1] *= bs2b->gain;
/* Clipping of overloaded samples */
#if 0
if (sample[0] > 1.0)
sample[0] = 1.0;
if (sample[0] < -1.0)
sample[0] = -1.0;
if (sample[1] > 1.0)
sample[1] = 1.0;
if (sample[1] < -1.0)
sample[1] = -1.0;
#endif
} /* bs2b_cross_feed */

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#define _WIN32_WINNT 0x0500
#define INITGUID
#include <stdlib.h>
#include <stdio.h>
#include <memory.h>
#include <dsound.h>
#include <cguid.h>
#include <mmreg.h>
#ifndef _WAVEFORMATEXTENSIBLE_
#include <ks.h>
#include <ksmedia.h>
#endif
#include "alMain.h"
#include "AL/al.h"
#include "AL/alc.h"
#ifndef DSSPEAKER_5POINT1
#define DSSPEAKER_5POINT1 6
#endif
#ifndef DSSPEAKER_7POINT1
#define DSSPEAKER_7POINT1 7
#endif
DEFINE_GUID(KSDATAFORMAT_SUBTYPE_PCM, 0x00000001, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
DEFINE_GUID(KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, 0x00000003, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
static void *ds_handle;
static HRESULT (WINAPI *pDirectSoundCreate)(LPCGUID pcGuidDevice, LPDIRECTSOUND *ppDS, LPUNKNOWN pUnkOuter);
static HRESULT (WINAPI *pDirectSoundEnumerateA)(LPDSENUMCALLBACKA pDSEnumCallback, LPVOID pContext);
typedef struct {
// DirectSound Playback Device
LPDIRECTSOUND lpDS;
LPDIRECTSOUNDBUFFER DSpbuffer;
LPDIRECTSOUNDBUFFER DSsbuffer;
volatile int killNow;
ALvoid *thread;
} DSoundData;
typedef struct {
ALCchar *name;
GUID guid;
} DevMap;
static const ALCchar dsDevice[] = "DirectSound Default";
static DevMap *DeviceList;
static ALuint NumDevices;
void *DSoundLoad(void)
{
if(!ds_handle)
{
#ifdef _WIN32
ds_handle = LoadLibraryA("dsound.dll");
if(ds_handle == NULL)
{
AL_PRINT("Failed to load dsound.dll\n");
return NULL;
}
#define LOAD_FUNC(f) do { \
p##f = (void*)GetProcAddress((HMODULE)ds_handle, #f); \
if(p##f == NULL) \
{ \
FreeLibrary(ds_handle); \
ds_handle = NULL; \
AL_PRINT("Could not load %s from dsound.dll\n", #f); \
return NULL; \
} \
} while(0)
#else
ds_handle = (void*)0xDEADBEEF;
#define LOAD_FUNC(f) p##f = f
#endif
LOAD_FUNC(DirectSoundCreate);
LOAD_FUNC(DirectSoundEnumerateA);
#undef LOAD_FUNC
}
return ds_handle;
}
static BOOL CALLBACK DSoundEnumDevices(LPGUID guid, LPCSTR desc, LPCSTR drvname, LPVOID data)
{
char str[1024];
void *temp;
int count;
ALuint i;
(void)data;
(void)drvname;
if(NumDevices == 0)
{
temp = realloc(DeviceList, sizeof(DevMap) * (NumDevices+1));
if(temp)
{
DeviceList = temp;
DeviceList[NumDevices].name = strdup(dsDevice);
DeviceList[NumDevices].guid = GUID_NULL;
NumDevices++;
}
}
if(!guid)
return TRUE;
count = 0;
do {
if(count == 0)
snprintf(str, sizeof(str), "%s via DirectSound", desc);
else
snprintf(str, sizeof(str), "%s #%d via DirectSound", desc, count+1);
count++;
for(i = 0;i < NumDevices;i++)
{
if(strcmp(str, DeviceList[i].name) == 0)
break;
}
} while(i != NumDevices);
temp = realloc(DeviceList, sizeof(DevMap) * (NumDevices+1));
if(temp)
{
DeviceList = temp;
DeviceList[NumDevices].name = strdup(str);
DeviceList[NumDevices].guid = *guid;
NumDevices++;
}
return TRUE;
}
static ALuint DSoundProc(ALvoid *ptr)
{
ALCdevice *pDevice = (ALCdevice*)ptr;
DSoundData *pData = (DSoundData*)pDevice->ExtraData;
DSBCAPS DSBCaps;
DWORD LastCursor = 0;
DWORD PlayCursor;
VOID *WritePtr1, *WritePtr2;
DWORD WriteCnt1, WriteCnt2;
BOOL Playing = FALSE;
DWORD FrameSize;
DWORD FragSize;
DWORD avail;
HRESULT err;
SetRTPriority();
memset(&DSBCaps, 0, sizeof(DSBCaps));
DSBCaps.dwSize = sizeof(DSBCaps);
err = IDirectSoundBuffer_GetCaps(pData->DSsbuffer, &DSBCaps);
if(FAILED(err))
{
AL_PRINT("Failed to get buffer caps: 0x%lx\n", err);
aluHandleDisconnect(pDevice);
return 1;
}
FrameSize = FrameSizeFromDevFmt(pDevice->FmtChans, pDevice->FmtType);
FragSize = pDevice->UpdateSize * FrameSize;
IDirectSoundBuffer_GetCurrentPosition(pData->DSsbuffer, &LastCursor, NULL);
while(!pData->killNow)
{
// Get current play and write cursors
IDirectSoundBuffer_GetCurrentPosition(pData->DSsbuffer, &PlayCursor, NULL);
avail = (PlayCursor-LastCursor+DSBCaps.dwBufferBytes) % DSBCaps.dwBufferBytes;
if(avail < FragSize)
{
if(!Playing)
{
err = IDirectSoundBuffer_Play(pData->DSsbuffer, 0, 0, DSBPLAY_LOOPING);
if(FAILED(err))
{
AL_PRINT("Failed to play buffer: 0x%lx\n", err);
aluHandleDisconnect(pDevice);
return 1;
}
Playing = TRUE;
}
Sleep(1);
continue;
}
avail -= avail%FragSize;
// Lock output buffer
WriteCnt1 = 0;
WriteCnt2 = 0;
err = IDirectSoundBuffer_Lock(pData->DSsbuffer, LastCursor, avail, &WritePtr1, &WriteCnt1, &WritePtr2, &WriteCnt2, 0);
// If the buffer is lost, restore it and lock
if(err == DSERR_BUFFERLOST)
{
err = IDirectSoundBuffer_Restore(pData->DSsbuffer);
if(SUCCEEDED(err))
{
Playing = FALSE;
LastCursor = 0;
err = IDirectSoundBuffer_Lock(pData->DSsbuffer, 0, DSBCaps.dwBufferBytes, &WritePtr1, &WriteCnt1, &WritePtr2, &WriteCnt2, 0);
}
}
// Successfully locked the output buffer
if(SUCCEEDED(err))
{
// If we have an active context, mix data directly into output buffer otherwise fill with silence
aluMixData(pDevice, WritePtr1, WriteCnt1/FrameSize);
aluMixData(pDevice, WritePtr2, WriteCnt2/FrameSize);
// Unlock output buffer only when successfully locked
IDirectSoundBuffer_Unlock(pData->DSsbuffer, WritePtr1, WriteCnt1, WritePtr2, WriteCnt2);
}
else
{
AL_PRINT("Buffer lock error: %#lx\n", err);
aluHandleDisconnect(pDevice);
return 1;
}
// Update old write cursor location
LastCursor += WriteCnt1+WriteCnt2;
LastCursor %= DSBCaps.dwBufferBytes;
}
return 0;
}
static ALCboolean DSoundOpenPlayback(ALCdevice *device, const ALCchar *deviceName)
{
DSoundData *pData = NULL;
LPGUID guid = NULL;
HRESULT hr;
if(!DSoundLoad())
return ALC_FALSE;
if(!deviceName)
deviceName = dsDevice;
else if(strcmp(deviceName, dsDevice) != 0)
{
ALuint i;
if(!DeviceList)
{
hr = pDirectSoundEnumerateA(DSoundEnumDevices, NULL);
if(FAILED(hr))
AL_PRINT("Error enumerating DirectSound devices (%#x)!\n", (unsigned int)hr);
}
for(i = 0;i < NumDevices;i++)
{
if(strcmp(deviceName, DeviceList[i].name) == 0)
{
if(i > 0)
guid = &DeviceList[i].guid;
break;
}
}
if(i == NumDevices)
return ALC_FALSE;
}
//Initialise requested device
pData = calloc(1, sizeof(DSoundData));
if(!pData)
{
alcSetError(device, ALC_OUT_OF_MEMORY);
return ALC_FALSE;
}
//DirectSound Init code
hr = pDirectSoundCreate(guid, &pData->lpDS, NULL);
if(SUCCEEDED(hr))
hr = IDirectSound_SetCooperativeLevel(pData->lpDS, GetForegroundWindow(), DSSCL_PRIORITY);
if(FAILED(hr))
{
if(pData->lpDS)
IDirectSound_Release(pData->lpDS);
free(pData);
AL_PRINT("Device init failed: 0x%08lx\n", hr);
return ALC_FALSE;
}
device->szDeviceName = strdup(deviceName);
device->ExtraData = pData;
return ALC_TRUE;
}
static void DSoundClosePlayback(ALCdevice *device)
{
DSoundData *pData = device->ExtraData;
IDirectSound_Release(pData->lpDS);
free(pData);
device->ExtraData = NULL;
}
static ALCboolean DSoundResetPlayback(ALCdevice *device)
{
DSoundData *pData = (DSoundData*)device->ExtraData;
DSBUFFERDESC DSBDescription;
WAVEFORMATEXTENSIBLE OutputType;
DWORD speakers;
HRESULT hr;
memset(&OutputType, 0, sizeof(OutputType));
switch(device->FmtType)
{
case DevFmtByte:
device->FmtType = DevFmtUByte;
break;
case DevFmtUShort:
device->FmtType = DevFmtShort;
break;
case DevFmtUByte:
case DevFmtShort:
case DevFmtFloat:
break;
}
hr = IDirectSound_GetSpeakerConfig(pData->lpDS, &speakers);
if(SUCCEEDED(hr) && ConfigValueExists(NULL, "format"))
{
switch(device->FmtChans)
{
case DevFmtMono:
speakers = DSSPEAKER_COMBINED(DSSPEAKER_MONO, 0);
break;
case DevFmtStereo:
speakers = DSSPEAKER_COMBINED(DSSPEAKER_STEREO, 0);
break;
case DevFmtQuad:
speakers = DSSPEAKER_COMBINED(DSSPEAKER_QUAD, 0);
break;
case DevFmtX51:
speakers = DSSPEAKER_COMBINED(DSSPEAKER_5POINT1, 0);
break;
case DevFmtX61:
/* ??? */;
break;
case DevFmtX71:
speakers = DSSPEAKER_COMBINED(DSSPEAKER_7POINT1, 0);
break;
}
}
if(SUCCEEDED(hr))
{
speakers = DSSPEAKER_CONFIG(speakers);
if(speakers == DSSPEAKER_MONO)
{
device->FmtChans = DevFmtMono;
OutputType.dwChannelMask = SPEAKER_FRONT_CENTER;
}
else if(speakers == DSSPEAKER_STEREO || speakers == DSSPEAKER_HEADPHONE)
{
device->FmtChans = DevFmtStereo;
OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
SPEAKER_FRONT_RIGHT;
}
else if(speakers == DSSPEAKER_QUAD)
{
device->FmtChans = DevFmtQuad;
OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
SPEAKER_FRONT_RIGHT |
SPEAKER_BACK_LEFT |
SPEAKER_BACK_RIGHT;
}
else if(speakers == DSSPEAKER_5POINT1)
{
device->FmtChans = DevFmtX51;
OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
SPEAKER_FRONT_RIGHT |
SPEAKER_FRONT_CENTER |
SPEAKER_LOW_FREQUENCY |
SPEAKER_BACK_LEFT |
SPEAKER_BACK_RIGHT;
}
else if(speakers == DSSPEAKER_7POINT1)
{
device->FmtChans = DevFmtX71;
OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
SPEAKER_FRONT_RIGHT |
SPEAKER_FRONT_CENTER |
SPEAKER_LOW_FREQUENCY |
SPEAKER_BACK_LEFT |
SPEAKER_BACK_RIGHT |
SPEAKER_SIDE_LEFT |
SPEAKER_SIDE_RIGHT;
}
OutputType.Format.wFormatTag = WAVE_FORMAT_PCM;
OutputType.Format.nChannels = ChannelsFromDevFmt(device->FmtChans);
OutputType.Format.wBitsPerSample = BytesFromDevFmt(device->FmtType) * 8;
OutputType.Format.nBlockAlign = OutputType.Format.nChannels*OutputType.Format.wBitsPerSample/8;
OutputType.Format.nSamplesPerSec = device->Frequency;
OutputType.Format.nAvgBytesPerSec = OutputType.Format.nSamplesPerSec*OutputType.Format.nBlockAlign;
OutputType.Format.cbSize = 0;
}
if(OutputType.Format.nChannels > 2 || OutputType.Format.wBitsPerSample > 16)
{
OutputType.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
OutputType.Samples.wValidBitsPerSample = OutputType.Format.wBitsPerSample;
OutputType.Format.cbSize = 22;
if(OutputType.Format.wBitsPerSample == 32)
OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
else
OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
}
else
{
if(SUCCEEDED(hr))
{
memset(&DSBDescription,0,sizeof(DSBUFFERDESC));
DSBDescription.dwSize=sizeof(DSBUFFERDESC);
DSBDescription.dwFlags=DSBCAPS_PRIMARYBUFFER;
hr = IDirectSound_CreateSoundBuffer(pData->lpDS, &DSBDescription, &pData->DSpbuffer, NULL);
}
if(SUCCEEDED(hr))
hr = IDirectSoundBuffer_SetFormat(pData->DSpbuffer,&OutputType.Format);
}
if(SUCCEEDED(hr))
{
memset(&DSBDescription,0,sizeof(DSBUFFERDESC));
DSBDescription.dwSize=sizeof(DSBUFFERDESC);
DSBDescription.dwFlags=DSBCAPS_GLOBALFOCUS|DSBCAPS_GETCURRENTPOSITION2;
DSBDescription.dwBufferBytes=device->UpdateSize * device->NumUpdates *
OutputType.Format.nBlockAlign;
DSBDescription.lpwfxFormat=&OutputType.Format;
hr = IDirectSound_CreateSoundBuffer(pData->lpDS, &DSBDescription, &pData->DSsbuffer, NULL);
}
if(SUCCEEDED(hr))
{
SetDefaultWFXChannelOrder(device);
pData->thread = StartThread(DSoundProc, device);
if(!pData->thread)
hr = E_FAIL;
}
if(FAILED(hr))
{
if (pData->DSsbuffer)
IDirectSoundBuffer_Release(pData->DSsbuffer);
pData->DSsbuffer = NULL;
if (pData->DSpbuffer)
IDirectSoundBuffer_Release(pData->DSpbuffer);
pData->DSpbuffer = NULL;
return ALC_FALSE;
}
return ALC_TRUE;
}
static void DSoundStopPlayback(ALCdevice *device)
{
DSoundData *pData = device->ExtraData;
if(!pData->thread)
return;
pData->killNow = 1;
StopThread(pData->thread);
pData->thread = NULL;
pData->killNow = 0;
IDirectSoundBuffer_Release(pData->DSsbuffer);
pData->DSsbuffer = NULL;
if (pData->DSpbuffer)
IDirectSoundBuffer_Release(pData->DSpbuffer);
pData->DSpbuffer = NULL;
}
static ALCboolean DSoundOpenCapture(ALCdevice *pDevice, const ALCchar *deviceName)
{
(void)pDevice;
(void)deviceName;
return ALC_FALSE;
}
static void DSoundCloseCapture(ALCdevice *pDevice)
{
(void)pDevice;
}
static void DSoundStartCapture(ALCdevice *pDevice)
{
(void)pDevice;
}
static void DSoundStopCapture(ALCdevice *pDevice)
{
(void)pDevice;
}
static void DSoundCaptureSamples(ALCdevice *pDevice, ALCvoid *pBuffer, ALCuint lSamples)
{
(void)pDevice;
(void)pBuffer;
(void)lSamples;
}
static ALCuint DSoundAvailableSamples(ALCdevice *pDevice)
{
(void)pDevice;
return 0;
}
BackendFuncs DSoundFuncs = {
DSoundOpenPlayback,
DSoundClosePlayback,
DSoundResetPlayback,
DSoundStopPlayback,
DSoundOpenCapture,
DSoundCloseCapture,
DSoundStartCapture,
DSoundStopCapture,
DSoundCaptureSamples,
DSoundAvailableSamples
};
void alcDSoundInit(BackendFuncs *FuncList)
{
*FuncList = DSoundFuncs;
}
void alcDSoundDeinit(void)
{
ALuint i;
for(i = 0;i < NumDevices;++i)
free(DeviceList[i].name);
free(DeviceList);
DeviceList = NULL;
NumDevices = 0;
if(ds_handle)
{
#ifdef _WIN32
FreeLibrary(ds_handle);
#endif
ds_handle = NULL;
}
}
void alcDSoundProbe(int type)
{
if(!DSoundLoad()) return;
if(type == DEVICE_PROBE)
AppendDeviceList(dsDevice);
else if(type == ALL_DEVICE_PROBE)
{
HRESULT hr;
ALuint i;
for(i = 0;i < NumDevices;++i)
free(DeviceList[i].name);
free(DeviceList);
DeviceList = NULL;
NumDevices = 0;
hr = pDirectSoundEnumerateA(DSoundEnumDevices, NULL);
if(FAILED(hr))
AL_PRINT("Error enumerating DirectSound devices (%#x)!\n", (unsigned int)hr);
else
{
for(i = 0;i < NumDevices;i++)
AppendAllDeviceList(DeviceList[i].name);
}
}
}

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@ -0,0 +1,808 @@
/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <assert.h>
#include "alMain.h"
#include "AL/al.h"
#include "AL/alc.h"
#include "alSource.h"
#include "alBuffer.h"
#include "alListener.h"
#include "alAuxEffectSlot.h"
#include "alu.h"
#include "bs2b.h"
static __inline ALdouble point32(const ALfloat *vals, ALint step, ALint frac)
{ return vals[0]; (void)step; (void)frac; }
static __inline ALdouble lerp32(const ALfloat *vals, ALint step, ALint frac)
{ return lerp(vals[0], vals[step], frac * (1.0/FRACTIONONE)); }
static __inline ALdouble cubic32(const ALfloat *vals, ALint step, ALint frac)
{ return cubic(vals[-step], vals[0], vals[step], vals[step+step],
frac * (1.0/FRACTIONONE)); }
static __inline ALdouble point16(const ALshort *vals, ALint step, ALint frac)
{ return vals[0] * (1.0/32767.0); (void)step; (void)frac; }
static __inline ALdouble lerp16(const ALshort *vals, ALint step, ALint frac)
{ return lerp(vals[0], vals[step], frac * (1.0/FRACTIONONE)) * (1.0/32767.0); }
static __inline ALdouble cubic16(const ALshort *vals, ALint step, ALint frac)
{ return cubic(vals[-step], vals[0], vals[step], vals[step+step],
frac * (1.0/FRACTIONONE)) * (1.0/32767.0); }
static __inline ALdouble point8(const ALubyte *vals, ALint step, ALint frac)
{ return (vals[0]-128.0) * (1.0/127.0); (void)step; (void)frac; }
static __inline ALdouble lerp8(const ALubyte *vals, ALint step, ALint frac)
{ return (lerp(vals[0], vals[step],
frac * (1.0/FRACTIONONE))-128.0) * (1.0/127.0); }
static __inline ALdouble cubic8(const ALubyte *vals, ALint step, ALint frac)
{ return (cubic(vals[-step], vals[0], vals[step], vals[step+step],
frac * (1.0/FRACTIONONE))-128.0) * (1.0/127.0); }
#define DECL_TEMPLATE(T, sampler) \
static void Mix_##T##_1_##sampler(ALsource *Source, ALCdevice *Device, \
const T *data, ALuint *DataPosInt, ALuint *DataPosFrac, \
ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize) \
{ \
ALfloat (*DryBuffer)[MAXCHANNELS]; \
ALfloat *ClickRemoval, *PendingClicks; \
ALuint pos, frac; \
ALfloat DrySend[MAXCHANNELS]; \
FILTER *DryFilter; \
ALuint BufferIdx; \
ALuint increment; \
ALuint out, c; \
ALfloat value; \
\
increment = Source->Params.Step; \
\
DryBuffer = Device->DryBuffer; \
ClickRemoval = Device->ClickRemoval; \
PendingClicks = Device->PendingClicks; \
DryFilter = &Source->Params.iirFilter; \
for(c = 0;c < MAXCHANNELS;c++) \
DrySend[c] = Source->Params.DryGains[0][c]; \
\
pos = 0; \
frac = *DataPosFrac; \
\
if(OutPos == 0) \
{ \
value = sampler(data+pos, 1, frac); \
\
value = lpFilter4PC(DryFilter, 0, value); \
for(c = 0;c < MAXCHANNELS;c++) \
ClickRemoval[c] -= value*DrySend[c]; \
} \
for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \
{ \
/* First order interpolator */ \
value = sampler(data+pos, 1, frac); \
\
/* Direct path final mix buffer and panning */ \
value = lpFilter4P(DryFilter, 0, value); \
for(c = 0;c < MAXCHANNELS;c++) \
DryBuffer[OutPos][c] += value*DrySend[c]; \
\
frac += increment; \
pos += frac>>FRACTIONBITS; \
frac &= FRACTIONMASK; \
OutPos++; \
} \
if(OutPos == SamplesToDo) \
{ \
value = sampler(data+pos, 1, frac); \
\
value = lpFilter4PC(DryFilter, 0, value); \
for(c = 0;c < MAXCHANNELS;c++) \
PendingClicks[c] += value*DrySend[c]; \
} \
\
for(out = 0;out < Device->NumAuxSends;out++) \
{ \
ALfloat WetSend; \
ALfloat *WetBuffer; \
ALfloat *WetClickRemoval; \
ALfloat *WetPendingClicks; \
FILTER *WetFilter; \
\
if(!Source->Send[out].Slot || \
Source->Send[out].Slot->effect.type == AL_EFFECT_NULL) \
continue; \
\
WetBuffer = Source->Send[out].Slot->WetBuffer; \
WetClickRemoval = Source->Send[out].Slot->ClickRemoval; \
WetPendingClicks = Source->Send[out].Slot->PendingClicks; \
WetFilter = &Source->Params.Send[out].iirFilter; \
WetSend = Source->Params.Send[out].WetGain; \
\
pos = 0; \
frac = *DataPosFrac; \
OutPos -= BufferSize; \
\
if(OutPos == 0) \
{ \
value = sampler(data+pos, 1, frac); \
\
value = lpFilter2PC(WetFilter, 0, value); \
WetClickRemoval[0] -= value*WetSend; \
} \
for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \
{ \
/* First order interpolator */ \
value = sampler(data+pos, 1, frac); \
\
/* Room path final mix buffer and panning */ \
value = lpFilter2P(WetFilter, 0, value); \
WetBuffer[OutPos] += value*WetSend; \
\
frac += increment; \
pos += frac>>FRACTIONBITS; \
frac &= FRACTIONMASK; \
OutPos++; \
} \
if(OutPos == SamplesToDo) \
{ \
value = sampler(data+pos, 1, frac); \
\
value = lpFilter2PC(WetFilter, 0, value); \
WetPendingClicks[0] += value*WetSend; \
} \
} \
*DataPosInt += pos; \
*DataPosFrac = frac; \
}
DECL_TEMPLATE(ALfloat, point32)
DECL_TEMPLATE(ALfloat, lerp32)
DECL_TEMPLATE(ALfloat, cubic32)
DECL_TEMPLATE(ALshort, point16)
DECL_TEMPLATE(ALshort, lerp16)
DECL_TEMPLATE(ALshort, cubic16)
DECL_TEMPLATE(ALubyte, point8)
DECL_TEMPLATE(ALubyte, lerp8)
DECL_TEMPLATE(ALubyte, cubic8)
#undef DECL_TEMPLATE
#define DECL_TEMPLATE(T, chnct, sampler) \
static void Mix_##T##_##chnct##_##sampler(ALsource *Source, ALCdevice *Device,\
const T *data, ALuint *DataPosInt, ALuint *DataPosFrac, \
ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize) \
{ \
const ALuint Channels = chnct; \
const ALfloat scaler = 1.0f/chnct; \
ALfloat (*DryBuffer)[MAXCHANNELS]; \
ALfloat *ClickRemoval, *PendingClicks; \
ALuint pos, frac; \
ALfloat DrySend[chnct][MAXCHANNELS]; \
FILTER *DryFilter; \
ALuint BufferIdx; \
ALuint increment; \
ALuint i, out, c; \
ALfloat value; \
\
increment = Source->Params.Step; \
\
DryBuffer = Device->DryBuffer; \
ClickRemoval = Device->ClickRemoval; \
PendingClicks = Device->PendingClicks; \
DryFilter = &Source->Params.iirFilter; \
for(i = 0;i < Channels;i++) \
{ \
for(c = 0;c < MAXCHANNELS;c++) \
DrySend[i][c] = Source->Params.DryGains[i][c]; \
} \
\
pos = 0; \
frac = *DataPosFrac; \
\
if(OutPos == 0) \
{ \
for(i = 0;i < Channels;i++) \
{ \
value = sampler(data + pos*Channels + i, Channels, frac); \
\
value = lpFilter2PC(DryFilter, i*2, value); \
for(c = 0;c < MAXCHANNELS;c++) \
ClickRemoval[c] -= value*DrySend[i][c]; \
} \
} \
for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \
{ \
for(i = 0;i < Channels;i++) \
{ \
value = sampler(data + pos*Channels + i, Channels, frac); \
\
value = lpFilter2P(DryFilter, i*2, value); \
for(c = 0;c < MAXCHANNELS;c++) \
DryBuffer[OutPos][c] += value*DrySend[i][c]; \
} \
\
frac += increment; \
pos += frac>>FRACTIONBITS; \
frac &= FRACTIONMASK; \
OutPos++; \
} \
if(OutPos == SamplesToDo) \
{ \
for(i = 0;i < Channels;i++) \
{ \
value = sampler(data + pos*Channels + i, Channels, frac); \
\
value = lpFilter2PC(DryFilter, i*2, value); \
for(c = 0;c < MAXCHANNELS;c++) \
PendingClicks[c] += value*DrySend[i][c]; \
} \
} \
\
for(out = 0;out < Device->NumAuxSends;out++) \
{ \
ALfloat WetSend; \
ALfloat *WetBuffer; \
ALfloat *WetClickRemoval; \
ALfloat *WetPendingClicks; \
FILTER *WetFilter; \
\
if(!Source->Send[out].Slot || \
Source->Send[out].Slot->effect.type == AL_EFFECT_NULL) \
continue; \
\
WetBuffer = Source->Send[out].Slot->WetBuffer; \
WetClickRemoval = Source->Send[out].Slot->ClickRemoval; \
WetPendingClicks = Source->Send[out].Slot->PendingClicks; \
WetFilter = &Source->Params.Send[out].iirFilter; \
WetSend = Source->Params.Send[out].WetGain; \
\
pos = 0; \
frac = *DataPosFrac; \
OutPos -= BufferSize; \
\
if(OutPos == 0) \
{ \
for(i = 0;i < Channels;i++) \
{ \
value = sampler(data + pos*Channels + i, Channels, frac); \
\
value = lpFilter1PC(WetFilter, i, value); \
WetClickRemoval[0] -= value*WetSend * scaler; \
} \
} \
for(BufferIdx = 0;BufferIdx < BufferSize;BufferIdx++) \
{ \
for(i = 0;i < Channels;i++) \
{ \
value = sampler(data + pos*Channels + i, Channels, frac); \
\
value = lpFilter1P(WetFilter, i, value); \
WetBuffer[OutPos] += value*WetSend * scaler; \
} \
\
frac += increment; \
pos += frac>>FRACTIONBITS; \
frac &= FRACTIONMASK; \
OutPos++; \
} \
if(OutPos == SamplesToDo) \
{ \
for(i = 0;i < Channels;i++) \
{ \
value = sampler(data + pos*Channels + i, Channels, frac); \
\
value = lpFilter1PC(WetFilter, i, value); \
WetPendingClicks[0] += value*WetSend * scaler; \
} \
} \
} \
*DataPosInt += pos; \
*DataPosFrac = frac; \
}
DECL_TEMPLATE(ALfloat, 2, point32)
DECL_TEMPLATE(ALfloat, 2, lerp32)
DECL_TEMPLATE(ALfloat, 2, cubic32)
DECL_TEMPLATE(ALshort, 2, point16)
DECL_TEMPLATE(ALshort, 2, lerp16)
DECL_TEMPLATE(ALshort, 2, cubic16)
DECL_TEMPLATE(ALubyte, 2, point8)
DECL_TEMPLATE(ALubyte, 2, lerp8)
DECL_TEMPLATE(ALubyte, 2, cubic8)
DECL_TEMPLATE(ALfloat, 4, point32)
DECL_TEMPLATE(ALfloat, 4, lerp32)
DECL_TEMPLATE(ALfloat, 4, cubic32)
DECL_TEMPLATE(ALshort, 4, point16)
DECL_TEMPLATE(ALshort, 4, lerp16)
DECL_TEMPLATE(ALshort, 4, cubic16)
DECL_TEMPLATE(ALubyte, 4, point8)
DECL_TEMPLATE(ALubyte, 4, lerp8)
DECL_TEMPLATE(ALubyte, 4, cubic8)
DECL_TEMPLATE(ALfloat, 6, point32)
DECL_TEMPLATE(ALfloat, 6, lerp32)
DECL_TEMPLATE(ALfloat, 6, cubic32)
DECL_TEMPLATE(ALshort, 6, point16)
DECL_TEMPLATE(ALshort, 6, lerp16)
DECL_TEMPLATE(ALshort, 6, cubic16)
DECL_TEMPLATE(ALubyte, 6, point8)
DECL_TEMPLATE(ALubyte, 6, lerp8)
DECL_TEMPLATE(ALubyte, 6, cubic8)
DECL_TEMPLATE(ALfloat, 7, point32)
DECL_TEMPLATE(ALfloat, 7, lerp32)
DECL_TEMPLATE(ALfloat, 7, cubic32)
DECL_TEMPLATE(ALshort, 7, point16)
DECL_TEMPLATE(ALshort, 7, lerp16)
DECL_TEMPLATE(ALshort, 7, cubic16)
DECL_TEMPLATE(ALubyte, 7, point8)
DECL_TEMPLATE(ALubyte, 7, lerp8)
DECL_TEMPLATE(ALubyte, 7, cubic8)
DECL_TEMPLATE(ALfloat, 8, point32)
DECL_TEMPLATE(ALfloat, 8, lerp32)
DECL_TEMPLATE(ALfloat, 8, cubic32)
DECL_TEMPLATE(ALshort, 8, point16)
DECL_TEMPLATE(ALshort, 8, lerp16)
DECL_TEMPLATE(ALshort, 8, cubic16)
DECL_TEMPLATE(ALubyte, 8, point8)
DECL_TEMPLATE(ALubyte, 8, lerp8)
DECL_TEMPLATE(ALubyte, 8, cubic8)
#undef DECL_TEMPLATE
#define DECL_TEMPLATE(T, sampler) \
static void Mix_##T##_##sampler(ALsource *Source, ALCdevice *Device, \
enum FmtChannels FmtChannels, \
const ALvoid *Data, ALuint *DataPosInt, ALuint *DataPosFrac, \
ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize) \
{ \
switch(FmtChannels) \
{ \
case FmtMono: \
Mix_##T##_1_##sampler(Source, Device, Data, DataPosInt, DataPosFrac, \
OutPos, SamplesToDo, BufferSize); \
break; \
case FmtStereo: \
case FmtRear: \
Mix_##T##_2_##sampler(Source, Device, Data, DataPosInt, DataPosFrac, \
OutPos, SamplesToDo, BufferSize); \
break; \
case FmtQuad: \
Mix_##T##_4_##sampler(Source, Device, Data, DataPosInt, DataPosFrac, \
OutPos, SamplesToDo, BufferSize); \
break; \
case FmtX51: \
Mix_##T##_6_##sampler(Source, Device, Data, DataPosInt, DataPosFrac, \
OutPos, SamplesToDo, BufferSize); \
break; \
case FmtX61: \
Mix_##T##_7_##sampler(Source, Device, Data, DataPosInt, DataPosFrac, \
OutPos, SamplesToDo, BufferSize); \
break; \
case FmtX71: \
Mix_##T##_8_##sampler(Source, Device, Data, DataPosInt, DataPosFrac, \
OutPos, SamplesToDo, BufferSize); \
break; \
} \
}
DECL_TEMPLATE(ALfloat, point32)
DECL_TEMPLATE(ALfloat, lerp32)
DECL_TEMPLATE(ALfloat, cubic32)
DECL_TEMPLATE(ALshort, point16)
DECL_TEMPLATE(ALshort, lerp16)
DECL_TEMPLATE(ALshort, cubic16)
DECL_TEMPLATE(ALubyte, point8)
DECL_TEMPLATE(ALubyte, lerp8)
DECL_TEMPLATE(ALubyte, cubic8)
#undef DECL_TEMPLATE
#define DECL_TEMPLATE(sampler) \
static void Mix_##sampler(ALsource *Source, ALCdevice *Device, \
enum FmtChannels FmtChannels, enum FmtType FmtType, \
const ALvoid *Data, ALuint *DataPosInt, ALuint *DataPosFrac, \
ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize) \
{ \
switch(FmtType) \
{ \
case FmtUByte: \
Mix_ALubyte_##sampler##8(Source, Device, FmtChannels, \
Data, DataPosInt, DataPosFrac, \
OutPos, SamplesToDo, BufferSize); \
break; \
\
case FmtShort: \
Mix_ALshort_##sampler##16(Source, Device, FmtChannels, \
Data, DataPosInt, DataPosFrac, \
OutPos, SamplesToDo, BufferSize); \
break; \
\
case FmtFloat: \
Mix_ALfloat_##sampler##32(Source, Device, FmtChannels, \
Data, DataPosInt, DataPosFrac, \
OutPos, SamplesToDo, BufferSize); \
break; \
} \
}
DECL_TEMPLATE(point)
DECL_TEMPLATE(lerp)
DECL_TEMPLATE(cubic)
#undef DECL_TEMPLATE
ALvoid MixSource(ALsource *Source, ALCdevice *Device, ALuint SamplesToDo)
{
ALbufferlistitem *BufferListItem;
ALuint DataPosInt, DataPosFrac;
enum FmtChannels FmtChannels;
enum FmtType FmtType;
ALuint BuffersPlayed;
ALboolean Looping;
ALuint increment;
resampler_t Resampler;
ALenum State;
ALuint OutPos;
ALuint FrameSize;
ALint64 DataSize64;
ALuint i;
/* Get source info */
State = Source->state;
BuffersPlayed = Source->BuffersPlayed;
DataPosInt = Source->position;
DataPosFrac = Source->position_fraction;
Looping = Source->bLooping;
increment = Source->Params.Step;
Resampler = (increment == FRACTIONONE) ? POINT_RESAMPLER :
Source->Resampler;
/* Get buffer info */
FrameSize = 0;
FmtChannels = FmtMono;
FmtType = FmtUByte;
BufferListItem = Source->queue;
for(i = 0;i < Source->BuffersInQueue;i++)
{
const ALbuffer *ALBuffer;
if((ALBuffer=BufferListItem->buffer) != NULL)
{
FmtChannels = ALBuffer->FmtChannels;
FmtType = ALBuffer->FmtType;
FrameSize = FrameSizeFromFmt(FmtChannels, FmtType);
break;
}
BufferListItem = BufferListItem->next;
}
/* Get current buffer queue item */
BufferListItem = Source->queue;
for(i = 0;i < BuffersPlayed;i++)
BufferListItem = BufferListItem->next;
OutPos = 0;
do {
const ALuint BufferPrePadding = ResamplerPrePadding[Resampler];
const ALuint BufferPadding = ResamplerPadding[Resampler];
ALubyte StackData[STACK_DATA_SIZE];
ALubyte *SrcData = StackData;
ALuint SrcDataSize = 0;
ALuint BufferSize;
/* Figure out how many buffer bytes will be needed */
DataSize64 = SamplesToDo-OutPos+1;
DataSize64 *= increment;
DataSize64 += DataPosFrac+FRACTIONMASK;
DataSize64 >>= FRACTIONBITS;
DataSize64 += BufferPadding+BufferPrePadding;
DataSize64 *= FrameSize;
BufferSize = min(DataSize64, STACK_DATA_SIZE);
BufferSize -= BufferSize%FrameSize;
if(Source->lSourceType == AL_STATIC)
{
const ALbuffer *ALBuffer = Source->Buffer;
const ALubyte *Data = ALBuffer->data;
ALuint DataSize;
ALuint pos;
/* If current pos is beyond the loop range, do not loop */
if(Looping == AL_FALSE || DataPosInt >= (ALuint)ALBuffer->LoopEnd)
{
Looping = AL_FALSE;
if(DataPosInt >= BufferPrePadding)
pos = (DataPosInt-BufferPrePadding)*FrameSize;
else
{
DataSize = (BufferPrePadding-DataPosInt)*FrameSize;
DataSize = min(BufferSize, DataSize);
memset(&SrcData[SrcDataSize], (FmtType==FmtUByte)?0x80:0, DataSize);
SrcDataSize += DataSize;
BufferSize -= DataSize;
pos = 0;
}
/* Copy what's left to play in the source buffer, and clear the
* rest of the temp buffer */
DataSize = ALBuffer->size - pos;
DataSize = min(BufferSize, DataSize);
memcpy(&SrcData[SrcDataSize], &Data[pos], DataSize);
SrcDataSize += DataSize;
BufferSize -= DataSize;
memset(&SrcData[SrcDataSize], (FmtType==FmtUByte)?0x80:0, BufferSize);
SrcDataSize += BufferSize;
BufferSize -= BufferSize;
}
else
{
ALuint LoopStart = ALBuffer->LoopStart;
ALuint LoopEnd = ALBuffer->LoopEnd;
if(DataPosInt >= LoopStart)
{
pos = DataPosInt-LoopStart;
while(pos < BufferPrePadding)
pos += LoopEnd-LoopStart;
pos -= BufferPrePadding;
pos += LoopStart;
pos *= FrameSize;
}
else if(DataPosInt >= BufferPrePadding)
pos = (DataPosInt-BufferPrePadding)*FrameSize;
else
{
DataSize = (BufferPrePadding-DataPosInt)*FrameSize;
DataSize = min(BufferSize, DataSize);
memset(&SrcData[SrcDataSize], (FmtType==FmtUByte)?0x80:0, DataSize);
SrcDataSize += DataSize;
BufferSize -= DataSize;
pos = 0;
}
/* Copy what's left of this loop iteration, then copy repeats
* of the loop section */
DataSize = LoopEnd*FrameSize - pos;
DataSize = min(BufferSize, DataSize);
memcpy(&SrcData[SrcDataSize], &Data[pos], DataSize);
SrcDataSize += DataSize;
BufferSize -= DataSize;
DataSize = (LoopEnd-LoopStart) * FrameSize;
while(BufferSize > 0)
{
DataSize = min(BufferSize, DataSize);
memcpy(&SrcData[SrcDataSize], &Data[LoopStart*FrameSize], DataSize);
SrcDataSize += DataSize;
BufferSize -= DataSize;
}
}
}
else
{
/* Crawl the buffer queue to fill in the temp buffer */
ALbufferlistitem *BufferListIter = BufferListItem;
ALuint pos;
if(DataPosInt >= BufferPrePadding)
pos = (DataPosInt-BufferPrePadding)*FrameSize;
else
{
pos = (BufferPrePadding-DataPosInt)*FrameSize;
while(pos > 0)
{
if(!BufferListIter->prev && !Looping)
{
ALuint DataSize = min(BufferSize, pos);
memset(&SrcData[SrcDataSize], (FmtType==FmtUByte)?0x80:0, DataSize);
SrcDataSize += DataSize;
BufferSize -= DataSize;
pos = 0;
break;
}
if(BufferListIter->prev)
BufferListIter = BufferListIter->prev;
else
{
while(BufferListIter->next)
BufferListIter = BufferListIter->next;
}
if(BufferListIter->buffer)
{
if((ALuint)BufferListIter->buffer->size > pos)
{
pos = BufferListIter->buffer->size - pos;
break;
}
pos -= BufferListIter->buffer->size;
}
}
}
while(BufferListIter && BufferSize > 0)
{
const ALbuffer *ALBuffer;
if((ALBuffer=BufferListIter->buffer) != NULL)
{
const ALubyte *Data = ALBuffer->data;
ALuint DataSize = ALBuffer->size;
/* Skip the data already played */
if(DataSize <= pos)
pos -= DataSize;
else
{
Data += pos;
DataSize -= pos;
pos -= pos;
DataSize = min(BufferSize, DataSize);
memcpy(&SrcData[SrcDataSize], Data, DataSize);
SrcDataSize += DataSize;
BufferSize -= DataSize;
}
}
BufferListIter = BufferListIter->next;
if(!BufferListIter && Looping)
BufferListIter = Source->queue;
else if(!BufferListIter)
{
memset(&SrcData[SrcDataSize], (FmtType==FmtUByte)?0x80:0, BufferSize);
SrcDataSize += BufferSize;
BufferSize -= BufferSize;
}
}
}
/* Figure out how many samples we can mix. */
DataSize64 = SrcDataSize / FrameSize;
DataSize64 -= BufferPadding+BufferPrePadding;
DataSize64 <<= FRACTIONBITS;
DataSize64 -= increment;
DataSize64 -= DataPosFrac;
BufferSize = (ALuint)((DataSize64+(increment-1)) / increment);
BufferSize = min(BufferSize, (SamplesToDo-OutPos));
SrcData += BufferPrePadding*FrameSize;
switch(Resampler)
{
case POINT_RESAMPLER:
Mix_point(Source, Device, FmtChannels, FmtType,
SrcData, &DataPosInt, &DataPosFrac,
OutPos, SamplesToDo, BufferSize);
break;
case LINEAR_RESAMPLER:
Mix_lerp(Source, Device, FmtChannels, FmtType,
SrcData, &DataPosInt, &DataPosFrac,
OutPos, SamplesToDo, BufferSize);
break;
case CUBIC_RESAMPLER:
Mix_cubic(Source, Device, FmtChannels, FmtType,
SrcData, &DataPosInt, &DataPosFrac,
OutPos, SamplesToDo, BufferSize);
break;
case RESAMPLER_MIN:
case RESAMPLER_MAX:
break;
}
OutPos += BufferSize;
/* Handle looping sources */
while(1)
{
const ALbuffer *ALBuffer;
ALuint DataSize = 0;
ALuint LoopStart = 0;
ALuint LoopEnd = 0;
if((ALBuffer=BufferListItem->buffer) != NULL)
{
DataSize = ALBuffer->size / FrameSize;
LoopStart = ALBuffer->LoopStart;
LoopEnd = ALBuffer->LoopEnd;
if(LoopEnd > DataPosInt)
break;
}
if(Looping && Source->lSourceType == AL_STATIC)
{
BufferListItem = Source->queue;
DataPosInt = ((DataPosInt-LoopStart)%(LoopEnd-LoopStart)) + LoopStart;
break;
}
if(DataSize > DataPosInt)
break;
if(BufferListItem->next)
{
BufferListItem = BufferListItem->next;
BuffersPlayed++;
}
else if(Looping)
{
BufferListItem = Source->queue;
BuffersPlayed = 0;
}
else
{
State = AL_STOPPED;
BufferListItem = Source->queue;
BuffersPlayed = Source->BuffersInQueue;
DataPosInt = 0;
DataPosFrac = 0;
break;
}
DataPosInt -= DataSize;
}
} while(State == AL_PLAYING && OutPos < SamplesToDo);
/* Update source info */
Source->state = State;
Source->BuffersPlayed = BuffersPlayed;
Source->position = DataPosInt;
Source->position_fraction = DataPosFrac;
Source->Buffer = BufferListItem->buffer;
}

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/**
* OpenAL cross platform audio library
* Copyright (C) 2010 by Chris Robinson
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <stdlib.h>
#include "alMain.h"
#include "AL/al.h"
#include "AL/alc.h"
typedef struct {
ALvoid *buffer;
ALuint size;
volatile int killNow;
ALvoid *thread;
} null_data;
static const ALCchar nullDevice[] = "No Output";
static ALuint NullProc(ALvoid *ptr)
{
ALCdevice *Device = (ALCdevice*)ptr;
null_data *data = (null_data*)Device->ExtraData;
ALuint now, start;
ALuint64 avail, done;
const ALuint restTime = (ALuint64)Device->UpdateSize * 1000 /
Device->Frequency / 2;
done = 0;
start = timeGetTime();
while(!data->killNow && Device->Connected)
{
now = timeGetTime();
avail = (ALuint64)(now-start) * Device->Frequency / 1000;
if(avail < done)
{
/* Timer wrapped. Add the remainder of the cycle to the available
* count and reset the number of samples done */
avail += (ALuint64)0xFFFFFFFFu*Device->Frequency/1000 - done;
done = 0;
}
if(avail-done < Device->UpdateSize)
{
Sleep(restTime);
continue;
}
while(avail-done >= Device->UpdateSize)
{
aluMixData(Device, data->buffer, Device->UpdateSize);
done += Device->UpdateSize;
}
}
return 0;
}
static ALCboolean null_open_playback(ALCdevice *device, const ALCchar *deviceName)
{
null_data *data;
if(!deviceName)
deviceName = nullDevice;
else if(strcmp(deviceName, nullDevice) != 0)
return ALC_FALSE;
data = (null_data*)calloc(1, sizeof(*data));
device->szDeviceName = strdup(deviceName);
device->ExtraData = data;
return ALC_TRUE;
}
static void null_close_playback(ALCdevice *device)
{
null_data *data = (null_data*)device->ExtraData;
free(data);
device->ExtraData = NULL;
}
static ALCboolean null_reset_playback(ALCdevice *device)
{
null_data *data = (null_data*)device->ExtraData;
data->size = device->UpdateSize * FrameSizeFromDevFmt(device->FmtChans,
device->FmtType);
data->buffer = malloc(data->size);
if(!data->buffer)
{
AL_PRINT("buffer malloc failed\n");
return ALC_FALSE;
}
SetDefaultWFXChannelOrder(device);
data->thread = StartThread(NullProc, device);
if(data->thread == NULL)
{
free(data->buffer);
data->buffer = NULL;
return ALC_FALSE;
}
return ALC_TRUE;
}
static void null_stop_playback(ALCdevice *device)
{
null_data *data = (null_data*)device->ExtraData;
if(!data->thread)
return;
data->killNow = 1;
StopThread(data->thread);
data->thread = NULL;
data->killNow = 0;
free(data->buffer);
data->buffer = NULL;
}
static ALCboolean null_open_capture(ALCdevice *device, const ALCchar *deviceName)
{
(void)device;
(void)deviceName;
return ALC_FALSE;
}
BackendFuncs null_funcs = {
null_open_playback,
null_close_playback,
null_reset_playback,
null_stop_playback,
null_open_capture,
NULL,
NULL,
NULL,
NULL,
NULL
};
void alc_null_init(BackendFuncs *func_list)
{
*func_list = null_funcs;
}
void alc_null_deinit(void)
{
}
void alc_null_probe(int type)
{
if(type == DEVICE_PROBE)
AppendDeviceList(nullDevice);
else if(type == ALL_DEVICE_PROBE)
AppendAllDeviceList(nullDevice);
}

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <memory.h>
#include <unistd.h>
#include <errno.h>
#include <math.h>
#include "alMain.h"
#include "AL/al.h"
#include "AL/alc.h"
#include <sys/soundcard.h>
/*
* The OSS documentation talks about SOUND_MIXER_READ, but the header
* only contains MIXER_READ. Play safe. Same for WRITE.
*/
#ifndef SOUND_MIXER_READ
#define SOUND_MIXER_READ MIXER_READ
#endif
#ifndef SOUND_MIXER_WRITE
#define SOUND_MIXER_WRITE MIXER_WRITE
#endif
static const ALCchar oss_device[] = "OSS Default";
typedef struct {
int fd;
volatile int killNow;
ALvoid *thread;
ALubyte *mix_data;
int data_size;
RingBuffer *ring;
int doCapture;
} oss_data;
static int log2i(ALCuint x)
{
int y = 0;
while (x > 1)
{
x >>= 1;
y++;
}
return y;
}
static ALuint OSSProc(ALvoid *ptr)
{
ALCdevice *pDevice = (ALCdevice*)ptr;
oss_data *data = (oss_data*)pDevice->ExtraData;
ALint frameSize;
ssize_t wrote;
SetRTPriority();
frameSize = FrameSizeFromDevFmt(pDevice->FmtChans, pDevice->FmtType);
while(!data->killNow && pDevice->Connected)
{
ALint len = data->data_size;
ALubyte *WritePtr = data->mix_data;
aluMixData(pDevice, WritePtr, len/frameSize);
while(len > 0 && !data->killNow)
{
wrote = write(data->fd, WritePtr, len);
if(wrote < 0)
{
if(errno != EAGAIN && errno != EWOULDBLOCK && errno != EINTR)
{
AL_PRINT("write failed: %s\n", strerror(errno));
aluHandleDisconnect(pDevice);
break;
}
Sleep(1);
continue;
}
len -= wrote;
WritePtr += wrote;
}
}
return 0;
}
static ALuint OSSCaptureProc(ALvoid *ptr)
{
ALCdevice *pDevice = (ALCdevice*)ptr;
oss_data *data = (oss_data*)pDevice->ExtraData;
int frameSize;
int amt;
SetRTPriority();
frameSize = FrameSizeFromDevFmt(pDevice->FmtChans, pDevice->FmtType);
while(!data->killNow)
{
amt = read(data->fd, data->mix_data, data->data_size);
if(amt < 0)
{
AL_PRINT("read failed: %s\n", strerror(errno));
aluHandleDisconnect(pDevice);
break;
}
if(amt == 0)
{
Sleep(1);
continue;
}
if(data->doCapture)
WriteRingBuffer(data->ring, data->mix_data, amt/frameSize);
}
return 0;
}
static ALCboolean oss_open_playback(ALCdevice *device, const ALCchar *deviceName)
{
char driver[64];
oss_data *data;
strncpy(driver, GetConfigValue("oss", "device", "/dev/dsp"), sizeof(driver)-1);
driver[sizeof(driver)-1] = 0;
if(!deviceName)
deviceName = oss_device;
else if(strcmp(deviceName, oss_device) != 0)
return ALC_FALSE;
data = (oss_data*)calloc(1, sizeof(oss_data));
data->killNow = 0;
data->fd = open(driver, O_WRONLY);
if(data->fd == -1)
{
free(data);
AL_PRINT("Could not open %s: %s\n", driver, strerror(errno));
return ALC_FALSE;
}
device->szDeviceName = strdup(deviceName);
device->ExtraData = data;
return ALC_TRUE;
}
static void oss_close_playback(ALCdevice *device)
{
oss_data *data = (oss_data*)device->ExtraData;
close(data->fd);
free(data);
device->ExtraData = NULL;
}
static ALCboolean oss_reset_playback(ALCdevice *device)
{
oss_data *data = (oss_data*)device->ExtraData;
int numFragmentsLogSize;
int log2FragmentSize;
unsigned int periods;
audio_buf_info info;
ALuint frameSize;
int numChannels;
int ossFormat;
int ossSpeed;
char *err;
switch(device->FmtType)
{
case DevFmtByte:
ossFormat = AFMT_S8;
break;
case DevFmtUByte:
ossFormat = AFMT_U8;
break;
case DevFmtUShort:
case DevFmtFloat:
device->FmtType = DevFmtShort;
/* fall-through */
case DevFmtShort:
ossFormat = AFMT_S16_NE;
break;
}
periods = device->NumUpdates;
numChannels = ChannelsFromDevFmt(device->FmtChans);
frameSize = numChannels * BytesFromDevFmt(device->FmtType);
ossSpeed = device->Frequency;
log2FragmentSize = log2i(device->UpdateSize * frameSize);
/* according to the OSS spec, 16 bytes are the minimum */
if (log2FragmentSize < 4)
log2FragmentSize = 4;
/* Subtract one period since the temp mixing buffer counts as one. Still
* need at least two on the card, though. */
if(periods > 2) periods--;
numFragmentsLogSize = (periods << 16) | log2FragmentSize;
#define CHECKERR(func) if((func) < 0) { \
err = #func; \
goto err; \
}
/* Don't fail if SETFRAGMENT fails. We can handle just about anything
* that's reported back via GETOSPACE */
ioctl(data->fd, SNDCTL_DSP_SETFRAGMENT, &numFragmentsLogSize);
CHECKERR(ioctl(data->fd, SNDCTL_DSP_SETFMT, &ossFormat));
CHECKERR(ioctl(data->fd, SNDCTL_DSP_CHANNELS, &numChannels));
CHECKERR(ioctl(data->fd, SNDCTL_DSP_SPEED, &ossSpeed));
CHECKERR(ioctl(data->fd, SNDCTL_DSP_GETOSPACE, &info));
if(0)
{
err:
AL_PRINT("%s failed: %s\n", err, strerror(errno));
return ALC_FALSE;
}
#undef CHECKERR
if((int)ChannelsFromDevFmt(device->FmtChans) != numChannels)
{
AL_PRINT("Could not set %d channels, got %d instead\n", ChannelsFromDevFmt(device->FmtChans), numChannels);
return ALC_FALSE;
}
if(!((ossFormat == AFMT_S8 && device->FmtType == DevFmtByte) ||
(ossFormat == AFMT_U8 && device->FmtType == DevFmtUByte) ||
(ossFormat == AFMT_S16_NE && device->FmtType == DevFmtShort)))
{
AL_PRINT("Could not set %#x format type, got OSS format %#x\n", device->FmtType, ossFormat);
return ALC_FALSE;
}
device->Frequency = ossSpeed;
device->UpdateSize = info.fragsize / frameSize;
device->NumUpdates = info.fragments + 1;
data->data_size = device->UpdateSize * frameSize;
data->mix_data = calloc(1, data->data_size);
SetDefaultChannelOrder(device);
data->thread = StartThread(OSSProc, device);
if(data->thread == NULL)
{
free(data->mix_data);
data->mix_data = NULL;
return ALC_FALSE;
}
return ALC_TRUE;
}
static void oss_stop_playback(ALCdevice *device)
{
oss_data *data = (oss_data*)device->ExtraData;
if(!data->thread)
return;
data->killNow = 1;
StopThread(data->thread);
data->thread = NULL;
data->killNow = 0;
if(ioctl(data->fd, SNDCTL_DSP_RESET) != 0)
AL_PRINT("Error resetting device: %s\n", strerror(errno));
free(data->mix_data);
data->mix_data = NULL;
}
static ALCboolean oss_open_capture(ALCdevice *device, const ALCchar *deviceName)
{
int numFragmentsLogSize;
int log2FragmentSize;
unsigned int periods;
audio_buf_info info;
ALuint frameSize;
int numChannels;
char driver[64];
oss_data *data;
int ossFormat;
int ossSpeed;
char *err;
strncpy(driver, GetConfigValue("oss", "capture", "/dev/dsp"), sizeof(driver)-1);
driver[sizeof(driver)-1] = 0;
if(!deviceName)
deviceName = oss_device;
else if(strcmp(deviceName, oss_device) != 0)
return ALC_FALSE;
data = (oss_data*)calloc(1, sizeof(oss_data));
data->killNow = 0;
data->fd = open(driver, O_RDONLY);
if(data->fd == -1)
{
free(data);
AL_PRINT("Could not open %s: %s\n", driver, strerror(errno));
return ALC_FALSE;
}
switch(device->FmtType)
{
case DevFmtByte:
ossFormat = AFMT_S8;
break;
case DevFmtUByte:
ossFormat = AFMT_U8;
break;
case DevFmtShort:
ossFormat = AFMT_S16_NE;
break;
case DevFmtUShort:
case DevFmtFloat:
free(data);
AL_PRINT("Format type %#x capture not supported on OSS\n", device->FmtType);
return ALC_FALSE;
}
periods = 4;
numChannels = ChannelsFromDevFmt(device->FmtChans);
frameSize = numChannels * BytesFromDevFmt(device->FmtType);
ossSpeed = device->Frequency;
log2FragmentSize = log2i(device->UpdateSize * device->NumUpdates *
frameSize / periods);
/* according to the OSS spec, 16 bytes are the minimum */
if (log2FragmentSize < 4)
log2FragmentSize = 4;
numFragmentsLogSize = (periods << 16) | log2FragmentSize;
#define CHECKERR(func) if((func) < 0) { \
err = #func; \
goto err; \
}
CHECKERR(ioctl(data->fd, SNDCTL_DSP_SETFRAGMENT, &numFragmentsLogSize));
CHECKERR(ioctl(data->fd, SNDCTL_DSP_SETFMT, &ossFormat));
CHECKERR(ioctl(data->fd, SNDCTL_DSP_CHANNELS, &numChannels));
CHECKERR(ioctl(data->fd, SNDCTL_DSP_SPEED, &ossSpeed));
CHECKERR(ioctl(data->fd, SNDCTL_DSP_GETISPACE, &info));
if(0)
{
err:
AL_PRINT("%s failed: %s\n", err, strerror(errno));
close(data->fd);
free(data);
return ALC_FALSE;
}
#undef CHECKERR
if((int)ChannelsFromDevFmt(device->FmtChans) != numChannels)
{
AL_PRINT("Could not set %d channels, got %d instead\n", ChannelsFromDevFmt(device->FmtChans), numChannels);
close(data->fd);
free(data);
return ALC_FALSE;
}
if(!((ossFormat == AFMT_S8 && device->FmtType == DevFmtByte) ||
(ossFormat == AFMT_U8 && device->FmtType == DevFmtUByte) ||
(ossFormat == AFMT_S16_NE && device->FmtType == DevFmtShort)))
{
AL_PRINT("Could not set %#x format type, got OSS format %#x\n", device->FmtType, ossFormat);
close(data->fd);
free(data);
return ALC_FALSE;
}
data->ring = CreateRingBuffer(frameSize, device->UpdateSize * device->NumUpdates);
if(!data->ring)
{
AL_PRINT("ring buffer create failed\n");
close(data->fd);
free(data);
return ALC_FALSE;
}
data->data_size = info.fragsize;
data->mix_data = calloc(1, data->data_size);
device->ExtraData = data;
data->thread = StartThread(OSSCaptureProc, device);
if(data->thread == NULL)
{
device->ExtraData = NULL;
free(data->mix_data);
free(data);
return ALC_FALSE;
}
device->szDeviceName = strdup(deviceName);
return ALC_TRUE;
}
static void oss_close_capture(ALCdevice *device)
{
oss_data *data = (oss_data*)device->ExtraData;
data->killNow = 1;
StopThread(data->thread);
close(data->fd);
DestroyRingBuffer(data->ring);
free(data->mix_data);
free(data);
device->ExtraData = NULL;
}
static void oss_start_capture(ALCdevice *pDevice)
{
oss_data *data = (oss_data*)pDevice->ExtraData;
data->doCapture = 1;
}
static void oss_stop_capture(ALCdevice *pDevice)
{
oss_data *data = (oss_data*)pDevice->ExtraData;
data->doCapture = 0;
}
static void oss_capture_samples(ALCdevice *pDevice, ALCvoid *pBuffer, ALCuint lSamples)
{
oss_data *data = (oss_data*)pDevice->ExtraData;
if(lSamples <= (ALCuint)RingBufferSize(data->ring))
ReadRingBuffer(data->ring, pBuffer, lSamples);
else
alcSetError(pDevice, ALC_INVALID_VALUE);
}
static ALCuint oss_available_samples(ALCdevice *pDevice)
{
oss_data *data = (oss_data*)pDevice->ExtraData;
return RingBufferSize(data->ring);
}
BackendFuncs oss_funcs = {
oss_open_playback,
oss_close_playback,
oss_reset_playback,
oss_stop_playback,
oss_open_capture,
oss_close_capture,
oss_start_capture,
oss_stop_capture,
oss_capture_samples,
oss_available_samples
};
void alc_oss_init(BackendFuncs *func_list)
{
*func_list = oss_funcs;
}
void alc_oss_deinit(void)
{
}
void alc_oss_probe(int type)
{
if(type == DEVICE_PROBE)
{
#ifdef HAVE_STAT
struct stat buf;
if(stat(GetConfigValue("oss", "device", "/dev/dsp"), &buf) == 0)
#endif
AppendDeviceList(oss_device);
}
else if(type == ALL_DEVICE_PROBE)
{
#ifdef HAVE_STAT
struct stat buf;
if(stat(GetConfigValue("oss", "device", "/dev/dsp"), &buf) == 0)
#endif
AppendAllDeviceList(oss_device);
}
else if(type == CAPTURE_DEVICE_PROBE)
{
#ifdef HAVE_STAT
struct stat buf;
if(stat(GetConfigValue("oss", "capture", "/dev/dsp"), &buf) == 0)
#endif
AppendCaptureDeviceList(oss_device);
}
}

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2010 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <assert.h>
#include "alMain.h"
#include "AL/al.h"
#include "AL/alc.h"
#include "alu.h"
static void SetSpeakerArrangement(const char *name, ALfloat SpeakerAngle[MAXCHANNELS],
Channel Speaker2Chan[MAXCHANNELS], ALint chans)
{
char layout_str[256];
char *confkey, *next;
char *sep, *end;
Channel val;
int i;
if(!ConfigValueExists(NULL, name))
name = "layout";
strncpy(layout_str, GetConfigValue(NULL, name, ""), sizeof(layout_str));
layout_str[sizeof(layout_str)-1] = 0;
if(!layout_str[0])
return;
next = confkey = layout_str;
while(next && *next)
{
confkey = next;
next = strchr(confkey, ',');
if(next)
{
*next = 0;
do {
next++;
} while(isspace(*next) || *next == ',');
}
sep = strchr(confkey, '=');
if(!sep || confkey == sep)
continue;
end = sep - 1;
while(isspace(*end) && end != confkey)
end--;
*(++end) = 0;
if(strcmp(confkey, "fl") == 0 || strcmp(confkey, "front-left") == 0)
val = FRONT_LEFT;
else if(strcmp(confkey, "fr") == 0 || strcmp(confkey, "front-right") == 0)
val = FRONT_RIGHT;
else if(strcmp(confkey, "fc") == 0 || strcmp(confkey, "front-center") == 0)
val = FRONT_CENTER;
else if(strcmp(confkey, "bl") == 0 || strcmp(confkey, "back-left") == 0)
val = BACK_LEFT;
else if(strcmp(confkey, "br") == 0 || strcmp(confkey, "back-right") == 0)
val = BACK_RIGHT;
else if(strcmp(confkey, "bc") == 0 || strcmp(confkey, "back-center") == 0)
val = BACK_CENTER;
else if(strcmp(confkey, "sl") == 0 || strcmp(confkey, "side-left") == 0)
val = SIDE_LEFT;
else if(strcmp(confkey, "sr") == 0 || strcmp(confkey, "side-right") == 0)
val = SIDE_RIGHT;
else
{
AL_PRINT("Unknown speaker for %s: \"%s\"\n", name, confkey);
continue;
}
*(sep++) = 0;
while(isspace(*sep))
sep++;
for(i = 0;i < chans;i++)
{
if(Speaker2Chan[i] == val)
{
long angle = strtol(sep, NULL, 10);
if(angle >= -180 && angle <= 180)
SpeakerAngle[i] = angle * M_PI/180.0f;
else
AL_PRINT("Invalid angle for speaker \"%s\": %ld\n", confkey, angle);
break;
}
}
}
for(i = 0;i < chans;i++)
{
int min = i;
int i2;
for(i2 = i+1;i2 < chans;i2++)
{
if(SpeakerAngle[i2] < SpeakerAngle[min])
min = i2;
}
if(min != i)
{
ALfloat tmpf;
Channel tmpc;
tmpf = SpeakerAngle[i];
SpeakerAngle[i] = SpeakerAngle[min];
SpeakerAngle[min] = tmpf;
tmpc = Speaker2Chan[i];
Speaker2Chan[i] = Speaker2Chan[min];
Speaker2Chan[min] = tmpc;
}
}
}
static ALfloat aluLUTpos2Angle(ALint pos)
{
if(pos < QUADRANT_NUM)
return aluAtan((ALfloat)pos / (ALfloat)(QUADRANT_NUM - pos));
if(pos < 2 * QUADRANT_NUM)
return M_PI_2 + aluAtan((ALfloat)(pos - QUADRANT_NUM) / (ALfloat)(2 * QUADRANT_NUM - pos));
if(pos < 3 * QUADRANT_NUM)
return aluAtan((ALfloat)(pos - 2 * QUADRANT_NUM) / (ALfloat)(3 * QUADRANT_NUM - pos)) - M_PI;
return aluAtan((ALfloat)(pos - 3 * QUADRANT_NUM) / (ALfloat)(4 * QUADRANT_NUM - pos)) - M_PI_2;
}
ALint aluCart2LUTpos(ALfloat re, ALfloat im)
{
ALint pos = 0;
ALfloat denom = aluFabs(re) + aluFabs(im);
if(denom > 0.0f)
pos = (ALint)(QUADRANT_NUM*aluFabs(im) / denom + 0.5);
if(re < 0.0)
pos = 2 * QUADRANT_NUM - pos;
if(im < 0.0)
pos = LUT_NUM - pos;
return pos%LUT_NUM;
}
ALvoid aluInitPanning(ALCdevice *Device)
{
ALfloat SpeakerAngle[MAXCHANNELS];
ALfloat (*Matrix)[MAXCHANNELS];
Channel *Speaker2Chan;
ALfloat Alpha, Theta;
ALfloat *PanningLUT;
ALint pos, offset;
ALuint s, s2;
for(s = 0;s < MAXCHANNELS;s++)
{
for(s2 = 0;s2 < MAXCHANNELS;s2++)
Device->ChannelMatrix[s][s2] = ((s==s2) ? 1.0f : 0.0f);
}
Speaker2Chan = Device->Speaker2Chan;
Matrix = Device->ChannelMatrix;
switch(Device->FmtChans)
{
case DevFmtMono:
Matrix[FRONT_LEFT][FRONT_CENTER] = aluSqrt(0.5);
Matrix[FRONT_RIGHT][FRONT_CENTER] = aluSqrt(0.5);
Matrix[SIDE_LEFT][FRONT_CENTER] = aluSqrt(0.5);
Matrix[SIDE_RIGHT][FRONT_CENTER] = aluSqrt(0.5);
Matrix[BACK_LEFT][FRONT_CENTER] = aluSqrt(0.5);
Matrix[BACK_RIGHT][FRONT_CENTER] = aluSqrt(0.5);
Matrix[BACK_CENTER][FRONT_CENTER] = 1.0f;
Device->NumChan = 1;
Speaker2Chan[0] = FRONT_CENTER;
SpeakerAngle[0] = 0.0f * M_PI/180.0f;
break;
case DevFmtStereo:
Matrix[FRONT_CENTER][FRONT_LEFT] = aluSqrt(0.5);
Matrix[FRONT_CENTER][FRONT_RIGHT] = aluSqrt(0.5);
Matrix[SIDE_LEFT][FRONT_LEFT] = 1.0f;
Matrix[SIDE_RIGHT][FRONT_RIGHT] = 1.0f;
Matrix[BACK_LEFT][FRONT_LEFT] = 1.0f;
Matrix[BACK_RIGHT][FRONT_RIGHT] = 1.0f;
Matrix[BACK_CENTER][FRONT_LEFT] = aluSqrt(0.5);
Matrix[BACK_CENTER][FRONT_RIGHT] = aluSqrt(0.5);
Device->NumChan = 2;
Speaker2Chan[0] = FRONT_LEFT;
Speaker2Chan[1] = FRONT_RIGHT;
SpeakerAngle[0] = -90.0f * M_PI/180.0f;
SpeakerAngle[1] = 90.0f * M_PI/180.0f;
SetSpeakerArrangement("layout_STEREO", SpeakerAngle, Speaker2Chan, Device->NumChan);
break;
case DevFmtQuad:
Matrix[FRONT_CENTER][FRONT_LEFT] = aluSqrt(0.5);
Matrix[FRONT_CENTER][FRONT_RIGHT] = aluSqrt(0.5);
Matrix[SIDE_LEFT][FRONT_LEFT] = aluSqrt(0.5);
Matrix[SIDE_LEFT][BACK_LEFT] = aluSqrt(0.5);
Matrix[SIDE_RIGHT][FRONT_RIGHT] = aluSqrt(0.5);
Matrix[SIDE_RIGHT][BACK_RIGHT] = aluSqrt(0.5);
Matrix[BACK_CENTER][BACK_LEFT] = aluSqrt(0.5);
Matrix[BACK_CENTER][BACK_RIGHT] = aluSqrt(0.5);
Device->NumChan = 4;
Speaker2Chan[0] = BACK_LEFT;
Speaker2Chan[1] = FRONT_LEFT;
Speaker2Chan[2] = FRONT_RIGHT;
Speaker2Chan[3] = BACK_RIGHT;
SpeakerAngle[0] = -135.0f * M_PI/180.0f;
SpeakerAngle[1] = -45.0f * M_PI/180.0f;
SpeakerAngle[2] = 45.0f * M_PI/180.0f;
SpeakerAngle[3] = 135.0f * M_PI/180.0f;
SetSpeakerArrangement("layout_QUAD", SpeakerAngle, Speaker2Chan, Device->NumChan);
break;
case DevFmtX51:
Matrix[SIDE_LEFT][FRONT_LEFT] = aluSqrt(0.5);
Matrix[SIDE_LEFT][BACK_LEFT] = aluSqrt(0.5);
Matrix[SIDE_RIGHT][FRONT_RIGHT] = aluSqrt(0.5);
Matrix[SIDE_RIGHT][BACK_RIGHT] = aluSqrt(0.5);
Matrix[BACK_CENTER][BACK_LEFT] = aluSqrt(0.5);
Matrix[BACK_CENTER][BACK_RIGHT] = aluSqrt(0.5);
Device->NumChan = 5;
Speaker2Chan[0] = BACK_LEFT;
Speaker2Chan[1] = FRONT_LEFT;
Speaker2Chan[2] = FRONT_CENTER;
Speaker2Chan[3] = FRONT_RIGHT;
Speaker2Chan[4] = BACK_RIGHT;
SpeakerAngle[0] = -110.0f * M_PI/180.0f;
SpeakerAngle[1] = -30.0f * M_PI/180.0f;
SpeakerAngle[2] = 0.0f * M_PI/180.0f;
SpeakerAngle[3] = 30.0f * M_PI/180.0f;
SpeakerAngle[4] = 110.0f * M_PI/180.0f;
SetSpeakerArrangement("layout_51CHN", SpeakerAngle, Speaker2Chan, Device->NumChan);
break;
case DevFmtX61:
Matrix[BACK_LEFT][BACK_CENTER] = aluSqrt(0.5);
Matrix[BACK_LEFT][SIDE_LEFT] = aluSqrt(0.5);
Matrix[BACK_RIGHT][BACK_CENTER] = aluSqrt(0.5);
Matrix[BACK_RIGHT][SIDE_RIGHT] = aluSqrt(0.5);
Device->NumChan = 6;
Speaker2Chan[0] = SIDE_LEFT;
Speaker2Chan[1] = FRONT_LEFT;
Speaker2Chan[2] = FRONT_CENTER;
Speaker2Chan[3] = FRONT_RIGHT;
Speaker2Chan[4] = SIDE_RIGHT;
Speaker2Chan[5] = BACK_CENTER;
SpeakerAngle[0] = -90.0f * M_PI/180.0f;
SpeakerAngle[1] = -30.0f * M_PI/180.0f;
SpeakerAngle[2] = 0.0f * M_PI/180.0f;
SpeakerAngle[3] = 30.0f * M_PI/180.0f;
SpeakerAngle[4] = 90.0f * M_PI/180.0f;
SpeakerAngle[5] = 180.0f * M_PI/180.0f;
SetSpeakerArrangement("layout_61CHN", SpeakerAngle, Speaker2Chan, Device->NumChan);
break;
case DevFmtX71:
Matrix[BACK_CENTER][BACK_LEFT] = aluSqrt(0.5);
Matrix[BACK_CENTER][BACK_RIGHT] = aluSqrt(0.5);
Device->NumChan = 7;
Speaker2Chan[0] = BACK_LEFT;
Speaker2Chan[1] = SIDE_LEFT;
Speaker2Chan[2] = FRONT_LEFT;
Speaker2Chan[3] = FRONT_CENTER;
Speaker2Chan[4] = FRONT_RIGHT;
Speaker2Chan[5] = SIDE_RIGHT;
Speaker2Chan[6] = BACK_RIGHT;
SpeakerAngle[0] = -150.0f * M_PI/180.0f;
SpeakerAngle[1] = -90.0f * M_PI/180.0f;
SpeakerAngle[2] = -30.0f * M_PI/180.0f;
SpeakerAngle[3] = 0.0f * M_PI/180.0f;
SpeakerAngle[4] = 30.0f * M_PI/180.0f;
SpeakerAngle[5] = 90.0f * M_PI/180.0f;
SpeakerAngle[6] = 150.0f * M_PI/180.0f;
SetSpeakerArrangement("layout_71CHN", SpeakerAngle, Speaker2Chan, Device->NumChan);
break;
}
if(GetConfigValueBool(NULL, "scalemix", 0))
{
ALfloat maxout = 1.0f;
for(s = 0;s < MAXCHANNELS;s++)
{
ALfloat out = 0.0f;
for(s2 = 0;s2 < MAXCHANNELS;s2++)
out += Device->ChannelMatrix[s2][s];
maxout = __max(maxout, out);
}
maxout = 1.0f/maxout;
for(s = 0;s < MAXCHANNELS;s++)
{
for(s2 = 0;s2 < MAXCHANNELS;s2++)
Device->ChannelMatrix[s2][s] *= maxout;
}
}
PanningLUT = Device->PanningLUT;
for(pos = 0; pos < LUT_NUM; pos++)
{
/* clear all values */
offset = MAXCHANNELS * pos;
for(s = 0; s < MAXCHANNELS; s++)
PanningLUT[offset+s] = 0.0f;
if(Device->NumChan == 1)
{
PanningLUT[offset + Speaker2Chan[0]] = 1.0f;
continue;
}
/* source angle */
Theta = aluLUTpos2Angle(pos);
/* set panning values */
for(s = 0; s < Device->NumChan - 1; s++)
{
if(Theta >= SpeakerAngle[s] && Theta < SpeakerAngle[s+1])
{
/* source between speaker s and speaker s+1 */
Alpha = M_PI_2 * (Theta-SpeakerAngle[s]) /
(SpeakerAngle[s+1]-SpeakerAngle[s]);
PanningLUT[offset + Speaker2Chan[s]] = cos(Alpha);
PanningLUT[offset + Speaker2Chan[s+1]] = sin(Alpha);
break;
}
}
if(s == Device->NumChan - 1)
{
/* source between last and first speaker */
if(Theta < SpeakerAngle[0])
Theta += 2.0f * M_PI;
Alpha = M_PI_2 * (Theta-SpeakerAngle[s]) /
(2.0f * M_PI + SpeakerAngle[0]-SpeakerAngle[s]);
PanningLUT[offset + Speaker2Chan[s]] = cos(Alpha);
PanningLUT[offset + Speaker2Chan[0]] = sin(Alpha);
}
}
}

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "alMain.h"
#include "AL/al.h"
#include "AL/alc.h"
#ifdef HAVE_DLFCN_H
#include <dlfcn.h>
#endif
#include <portaudio.h>
static void *pa_handle;
#define MAKE_FUNC(x) static typeof(x) * p##x
MAKE_FUNC(Pa_Initialize);
MAKE_FUNC(Pa_Terminate);
MAKE_FUNC(Pa_GetErrorText);
MAKE_FUNC(Pa_StartStream);
MAKE_FUNC(Pa_StopStream);
MAKE_FUNC(Pa_OpenStream);
MAKE_FUNC(Pa_CloseStream);
MAKE_FUNC(Pa_GetDefaultOutputDevice);
MAKE_FUNC(Pa_GetStreamInfo);
#undef MAKE_FUNC
static const ALCchar pa_device[] = "PortAudio Default";
void *pa_load(void)
{
if(!pa_handle)
{
PaError err;
#ifdef _WIN32
pa_handle = LoadLibrary("portaudio.dll");
#define LOAD_FUNC(x) do { \
p##x = (typeof(p##x))GetProcAddress(pa_handle, #x); \
if(!(p##x)) { \
AL_PRINT("Could not load %s from portaudio.dll\n", #x); \
FreeLibrary(pa_handle); \
pa_handle = NULL; \
return NULL; \
} \
} while(0)
#elif defined(HAVE_DLFCN_H)
const char *str;
#if defined(__APPLE__) && defined(__MACH__)
# define PALIB "libportaudio.2.dylib"
#else
# define PALIB "libportaudio.so.2"
#endif
pa_handle = dlopen(PALIB, RTLD_NOW);
dlerror();
#define LOAD_FUNC(f) do { \
p##f = (typeof(f)*)dlsym(pa_handle, #f); \
if((str=dlerror()) != NULL) \
{ \
dlclose(pa_handle); \
pa_handle = NULL; \
AL_PRINT("Could not load %s from "PALIB": %s\n", #f, str); \
return NULL; \
} \
} while(0)
#else
pa_handle = (void*)0xDEADBEEF;
#define LOAD_FUNC(f) p##f = f
#endif
if(!pa_handle)
return NULL;
LOAD_FUNC(Pa_Initialize);
LOAD_FUNC(Pa_Terminate);
LOAD_FUNC(Pa_GetErrorText);
LOAD_FUNC(Pa_StartStream);
LOAD_FUNC(Pa_StopStream);
LOAD_FUNC(Pa_OpenStream);
LOAD_FUNC(Pa_CloseStream);
LOAD_FUNC(Pa_GetDefaultOutputDevice);
LOAD_FUNC(Pa_GetStreamInfo);
#undef LOAD_FUNC
if((err=pPa_Initialize()) != paNoError)
{
AL_PRINT("Pa_Initialize() returned an error: %s\n", pPa_GetErrorText(err));
#ifdef _WIN32
FreeLibrary(pa_handle);
#elif defined(HAVE_DLFCN_H)
dlclose(pa_handle);
#endif
pa_handle = NULL;
return NULL;
}
}
return pa_handle;
}
typedef struct {
PaStream *stream;
ALuint update_size;
RingBuffer *ring;
} pa_data;
static int pa_callback(const void *inputBuffer, void *outputBuffer,
unsigned long framesPerBuffer, const PaStreamCallbackTimeInfo *timeInfo,
const PaStreamCallbackFlags statusFlags, void *userData)
{
ALCdevice *device = (ALCdevice*)userData;
(void)inputBuffer;
(void)timeInfo;
(void)statusFlags;
aluMixData(device, outputBuffer, framesPerBuffer);
return 0;
}
static int pa_capture_cb(const void *inputBuffer, void *outputBuffer,
unsigned long framesPerBuffer, const PaStreamCallbackTimeInfo *timeInfo,
const PaStreamCallbackFlags statusFlags, void *userData)
{
ALCdevice *device = (ALCdevice*)userData;
pa_data *data = (pa_data*)device->ExtraData;
(void)outputBuffer;
(void)timeInfo;
(void)statusFlags;
WriteRingBuffer(data->ring, inputBuffer, framesPerBuffer);
return 0;
}
static ALCboolean pa_open_playback(ALCdevice *device, const ALCchar *deviceName)
{
const PaStreamInfo *streamInfo;
PaStreamParameters outParams;
pa_data *data;
PaError err;
if(!deviceName)
deviceName = pa_device;
else if(strcmp(deviceName, pa_device) != 0)
return ALC_FALSE;
if(!pa_load())
return ALC_FALSE;
data = (pa_data*)calloc(1, sizeof(pa_data));
data->update_size = device->UpdateSize;
device->ExtraData = data;
outParams.device = GetConfigValueInt("port", "device", -1);
if(outParams.device < 0)
outParams.device = pPa_GetDefaultOutputDevice();
outParams.suggestedLatency = (device->UpdateSize*device->NumUpdates) /
(float)device->Frequency;
outParams.hostApiSpecificStreamInfo = NULL;
switch(device->FmtType)
{
case DevFmtByte:
outParams.sampleFormat = paInt8;
break;
case DevFmtUByte:
outParams.sampleFormat = paUInt8;
break;
case DevFmtUShort:
device->FmtType = DevFmtShort;
/* fall-through */
case DevFmtShort:
outParams.sampleFormat = paInt16;
break;
case DevFmtFloat:
outParams.sampleFormat = paFloat32;
break;
}
outParams.channelCount = ChannelsFromDevFmt(device->FmtChans);
SetDefaultChannelOrder(device);
err = pPa_OpenStream(&data->stream, NULL, &outParams, device->Frequency,
device->UpdateSize, paNoFlag, pa_callback, device);
if(err != paNoError)
{
AL_PRINT("Pa_OpenStream() returned an error: %s\n", pPa_GetErrorText(err));
device->ExtraData = NULL;
free(data);
return ALC_FALSE;
}
streamInfo = pPa_GetStreamInfo(data->stream);
device->szDeviceName = strdup(deviceName);
device->Frequency = streamInfo->sampleRate;
return ALC_TRUE;
}
static void pa_close_playback(ALCdevice *device)
{
pa_data *data = (pa_data*)device->ExtraData;
PaError err;
err = pPa_CloseStream(data->stream);
if(err != paNoError)
AL_PRINT("Error closing stream: %s\n", pPa_GetErrorText(err));
free(data);
device->ExtraData = NULL;
}
static ALCboolean pa_reset_playback(ALCdevice *device)
{
pa_data *data = (pa_data*)device->ExtraData;
const PaStreamInfo *streamInfo;
PaError err;
streamInfo = pPa_GetStreamInfo(data->stream);
device->Frequency = streamInfo->sampleRate;
device->UpdateSize = data->update_size;
err = pPa_StartStream(data->stream);
if(err != paNoError)
{
AL_PRINT("Pa_StartStream() returned an error: %s\n", pPa_GetErrorText(err));
return ALC_FALSE;
}
return ALC_TRUE;
}
static void pa_stop_playback(ALCdevice *device)
{
pa_data *data = (pa_data*)device->ExtraData;
PaError err;
err = pPa_StopStream(data->stream);
if(err != paNoError)
AL_PRINT("Error stopping stream: %s\n", pPa_GetErrorText(err));
}
static ALCboolean pa_open_capture(ALCdevice *device, const ALCchar *deviceName)
{
PaStreamParameters inParams;
ALuint frame_size;
pa_data *data;
PaError err;
if(!deviceName)
deviceName = pa_device;
else if(strcmp(deviceName, pa_device) != 0)
return ALC_FALSE;
if(!pa_load())
return ALC_FALSE;
data = (pa_data*)calloc(1, sizeof(pa_data));
if(data == NULL)
{
alcSetError(device, ALC_OUT_OF_MEMORY);
return ALC_FALSE;
}
frame_size = FrameSizeFromDevFmt(device->FmtChans, device->FmtType);
data->ring = CreateRingBuffer(frame_size, device->UpdateSize*device->NumUpdates);
if(data->ring == NULL)
{
alcSetError(device, ALC_OUT_OF_MEMORY);
goto error;
}
inParams.device = GetConfigValueInt("port", "capture", -1);
if(inParams.device < 0)
inParams.device = pPa_GetDefaultOutputDevice();
inParams.suggestedLatency = 0.0f;
inParams.hostApiSpecificStreamInfo = NULL;
switch(device->FmtType)
{
case DevFmtByte:
inParams.sampleFormat = paInt8;
break;
case DevFmtUByte:
inParams.sampleFormat = paUInt8;
break;
case DevFmtShort:
inParams.sampleFormat = paInt16;
break;
case DevFmtFloat:
inParams.sampleFormat = paFloat32;
break;
case DevFmtUShort:
AL_PRINT("Unsigned short not supported\n");
goto error;
}
inParams.channelCount = ChannelsFromDevFmt(device->FmtChans);
err = pPa_OpenStream(&data->stream, &inParams, NULL, device->Frequency,
paFramesPerBufferUnspecified, paNoFlag, pa_capture_cb, device);
if(err != paNoError)
{
AL_PRINT("Pa_OpenStream() returned an error: %s\n", pPa_GetErrorText(err));
goto error;
}
device->szDeviceName = strdup(deviceName);
device->ExtraData = data;
return ALC_TRUE;
error:
DestroyRingBuffer(data->ring);
free(data);
return ALC_FALSE;
}
static void pa_close_capture(ALCdevice *device)
{
pa_data *data = (pa_data*)device->ExtraData;
PaError err;
err = pPa_CloseStream(data->stream);
if(err != paNoError)
AL_PRINT("Error closing stream: %s\n", pPa_GetErrorText(err));
free(data);
device->ExtraData = NULL;
}
static void pa_start_capture(ALCdevice *device)
{
pa_data *data = device->ExtraData;
PaError err;
err = pPa_StartStream(data->stream);
if(err != paNoError)
AL_PRINT("Error starting stream: %s\n", pPa_GetErrorText(err));
}
static void pa_stop_capture(ALCdevice *device)
{
pa_data *data = (pa_data*)device->ExtraData;
PaError err;
err = pPa_StopStream(data->stream);
if(err != paNoError)
AL_PRINT("Error stopping stream: %s\n", pPa_GetErrorText(err));
}
static void pa_capture_samples(ALCdevice *device, ALCvoid *buffer, ALCuint samples)
{
pa_data *data = device->ExtraData;
if(samples <= (ALCuint)RingBufferSize(data->ring))
ReadRingBuffer(data->ring, buffer, samples);
else
alcSetError(device, ALC_INVALID_VALUE);
}
static ALCuint pa_available_samples(ALCdevice *device)
{
pa_data *data = device->ExtraData;
return RingBufferSize(data->ring);
}
static const BackendFuncs pa_funcs = {
pa_open_playback,
pa_close_playback,
pa_reset_playback,
pa_stop_playback,
pa_open_capture,
pa_close_capture,
pa_start_capture,
pa_stop_capture,
pa_capture_samples,
pa_available_samples
};
void alc_pa_init(BackendFuncs *func_list)
{
*func_list = pa_funcs;
}
void alc_pa_deinit(void)
{
if(pa_handle)
{
pPa_Terminate();
#ifdef _WIN32
FreeLibrary(pa_handle);
#elif defined(HAVE_DLFCN_H)
dlclose(pa_handle);
#endif
pa_handle = NULL;
}
}
void alc_pa_probe(int type)
{
if(!pa_load()) return;
if(type == DEVICE_PROBE)
AppendDeviceList(pa_device);
else if(type == ALL_DEVICE_PROBE)
AppendAllDeviceList(pa_device);
else if(type == CAPTURE_DEVICE_PROBE)
AppendCaptureDeviceList(pa_device);
}

1358
Alc/pulseaudio.c Normal file
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Alc/solaris.c Normal file
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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <memory.h>
#include <unistd.h>
#include <errno.h>
#include <math.h>
#include "alMain.h"
#include "AL/al.h"
#include "AL/alc.h"
#include <sys/audioio.h>
static const ALCchar solaris_device[] = "Solaris Default";
typedef struct {
int fd;
volatile int killNow;
ALvoid *thread;
ALubyte *mix_data;
int data_size;
} solaris_data;
static ALuint SolarisProc(ALvoid *ptr)
{
ALCdevice *pDevice = (ALCdevice*)ptr;
solaris_data *data = (solaris_data*)pDevice->ExtraData;
ALint frameSize;
int wrote;
SetRTPriority();
frameSize = FrameSizeFromDevFmt(pDevice->FmtChans, pDevice->FmtType);
while(!data->killNow && pDevice->Connected)
{
ALint len = data->data_size;
ALubyte *WritePtr = data->mix_data;
aluMixData(pDevice, WritePtr, len/frameSize);
while(len > 0 && !data->killNow)
{
wrote = write(data->fd, WritePtr, len);
if(wrote < 0)
{
if(errno != EAGAIN && errno != EWOULDBLOCK && errno != EINTR)
{
AL_PRINT("write failed: %s\n", strerror(errno));
aluHandleDisconnect(pDevice);
break;
}
Sleep(1);
continue;
}
len -= wrote;
WritePtr += wrote;
}
}
return 0;
}
static ALCboolean solaris_open_playback(ALCdevice *device, const ALCchar *deviceName)
{
char driver[64];
solaris_data *data;
strncpy(driver, GetConfigValue("solaris", "device", "/dev/audio"), sizeof(driver)-1);
driver[sizeof(driver)-1] = 0;
if(!deviceName)
deviceName = solaris_device;
else if(strcmp(deviceName, solaris_device) != 0)
return ALC_FALSE;
data = (solaris_data*)calloc(1, sizeof(solaris_data));
data->killNow = 0;
data->fd = open(driver, O_WRONLY);
if(data->fd == -1)
{
free(data);
AL_PRINT("Could not open %s: %s\n", driver, strerror(errno));
return ALC_FALSE;
}
device->szDeviceName = strdup(deviceName);
device->ExtraData = data;
return ALC_TRUE;
}
static void solaris_close_playback(ALCdevice *device)
{
solaris_data *data = (solaris_data*)device->ExtraData;
close(data->fd);
free(data);
device->ExtraData = NULL;
}
static ALCboolean solaris_reset_playback(ALCdevice *device)
{
solaris_data *data = (solaris_data*)device->ExtraData;
audio_info_t info;
ALuint frameSize;
int numChannels;
AUDIO_INITINFO(&info);
info.play.sample_rate = device->Frequency;
if(device->FmtChans != DevFmtMono)
device->FmtChans = DevFmtStereo;
numChannels = ChannelsFromDevFmt(device->FmtChans);
info.play.channels = numChannels;
switch(device->FmtType)
{
case DevFmtByte:
info.play.precision = 8;
info.play.encoding = AUDIO_ENCODING_LINEAR;
break;
case DevFmtUByte:
info.play.precision = 8;
info.play.encoding = AUDIO_ENCODING_LINEAR8;
break;
case DevFmtUShort:
case DevFmtFloat:
device->FmtType = DevFmtShort;
/* fall-through */
case DevFmtShort:
info.play.precision = 16;
info.play.encoding = AUDIO_ENCODING_LINEAR;
break;
}
frameSize = numChannels * BytesFromDevFmt(device->FmtType);
info.play.buffer_size = device->UpdateSize*device->NumUpdates * frameSize;
if(ioctl(data->fd, AUDIO_SETINFO, &info) < 0)
{
AL_PRINT("ioctl failed: %s\n", strerror(errno));
return ALC_FALSE;
}
if(ChannelsFromDevFmt(device->FmtChans) != info.play.channels)
{
AL_PRINT("Could not set %d channels, got %d instead\n", ChannelsFromDevFmt(device->FmtChans), info.play.channels);
return ALC_FALSE;
}
if(!((info.play.precision == 8 && info.play.encoding == AUDIO_ENCODING_LINEAR &&
device->FmtType == DevFmtByte) ||
(info.play.precision == 8 && info.play.encoding == AUDIO_ENCODING_LINEAR8 &&
device->FmtType == DevFmtUByte) ||
(info.play.precision == 16 && info.play.encoding == AUDIO_ENCODING_LINEAR &&
device->FmtType == DevFmtShort)))
{
AL_PRINT("Could not set %#x sample type, got %d (%#x)\n",
device->FmtType, info.play.precision, info.play.encoding);
return ALC_FALSE;
}
device->Frequency = info.play.sample_rate;
device->UpdateSize = (info.play.buffer_size/device->NumUpdates) + 1;
data->data_size = device->UpdateSize * frameSize;
data->mix_data = calloc(1, data->data_size);
SetDefaultChannelOrder(device);
data->thread = StartThread(SolarisProc, device);
if(data->thread == NULL)
{
free(data->mix_data);
data->mix_data = NULL;
return ALC_FALSE;
}
return ALC_TRUE;
}
static void solaris_stop_playback(ALCdevice *device)
{
solaris_data *data = (solaris_data*)device->ExtraData;
if(!data->thread)
return;
data->killNow = 1;
StopThread(data->thread);
data->thread = NULL;
data->killNow = 0;
if(ioctl(data->fd, AUDIO_DRAIN) < 0)
AL_PRINT("Error draining device: %s\n", strerror(errno));
free(data->mix_data);
data->mix_data = NULL;
}
static ALCboolean solaris_open_capture(ALCdevice *device, const ALCchar *deviceName)
{
(void)device;
(void)deviceName;
return ALC_FALSE;
}
static void solaris_close_capture(ALCdevice *device)
{
(void)device;
}
static void solaris_start_capture(ALCdevice *pDevice)
{
(void)pDevice;
}
static void solaris_stop_capture(ALCdevice *pDevice)
{
(void)pDevice;
}
static void solaris_capture_samples(ALCdevice *pDevice, ALCvoid *pBuffer, ALCuint lSamples)
{
(void)pDevice;
(void)pBuffer;
(void)lSamples;
}
static ALCuint solaris_available_samples(ALCdevice *pDevice)
{
(void)pDevice;
return 0;
}
BackendFuncs solaris_funcs = {
solaris_open_playback,
solaris_close_playback,
solaris_reset_playback,
solaris_stop_playback,
solaris_open_capture,
solaris_close_capture,
solaris_start_capture,
solaris_stop_capture,
solaris_capture_samples,
solaris_available_samples
};
void alc_solaris_init(BackendFuncs *func_list)
{
*func_list = solaris_funcs;
}
void alc_solaris_deinit(void)
{
}
void alc_solaris_probe(int type)
{
#ifdef HAVE_STAT
struct stat buf;
if(stat(GetConfigValue("solaris", "device", "/dev/audio"), &buf) != 0)
return;
#endif
if(type == DEVICE_PROBE)
AppendDeviceList(solaris_device);
else if(type == ALL_DEVICE_PROBE)
AppendAllDeviceList(solaris_device);
}

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <memory.h>
#include "alMain.h"
#include "AL/al.h"
#include "AL/alc.h"
typedef struct {
FILE *f;
long DataStart;
ALvoid *buffer;
ALuint size;
volatile int killNow;
ALvoid *thread;
} wave_data;
static const ALCchar waveDevice[] = "Wave File Writer";
static const ALubyte SUBTYPE_PCM[] = {
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xaa,
0x00, 0x38, 0x9b, 0x71
};
static const ALubyte SUBTYPE_FLOAT[] = {
0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xaa,
0x00, 0x38, 0x9b, 0x71
};
static const ALuint channel_masks[] = {
0, /* invalid */
0x4, /* Mono */
0x1 | 0x2, /* Stereo */
0, /* 3 channel */
0x1 | 0x2 | 0x10 | 0x20, /* Quad */
0, /* 5 channel */
0x1 | 0x2 | 0x4 | 0x8 | 0x10 | 0x20, /* 5.1 */
0x1 | 0x2 | 0x4 | 0x8 | 0x100 | 0x200 | 0x400, /* 6.1 */
0x1 | 0x2 | 0x4 | 0x8 | 0x10 | 0x20 | 0x200 | 0x400, /* 7.1 */
};
static void fwrite16le(ALushort val, FILE *f)
{
fputc(val&0xff, f);
fputc((val>>8)&0xff, f);
}
static void fwrite32le(ALuint val, FILE *f)
{
fputc(val&0xff, f);
fputc((val>>8)&0xff, f);
fputc((val>>16)&0xff, f);
fputc((val>>24)&0xff, f);
}
static ALuint WaveProc(ALvoid *ptr)
{
ALCdevice *pDevice = (ALCdevice*)ptr;
wave_data *data = (wave_data*)pDevice->ExtraData;
ALuint frameSize;
ALuint now, start;
ALuint64 avail, done;
size_t fs;
union {
short s;
char b[sizeof(short)];
} uSB;
const ALuint restTime = (ALuint64)pDevice->UpdateSize * 1000 /
pDevice->Frequency / 2;
uSB.s = 1;
frameSize = FrameSizeFromDevFmt(pDevice->FmtChans, pDevice->FmtType);
done = 0;
start = timeGetTime();
while(!data->killNow && pDevice->Connected)
{
now = timeGetTime();
avail = (ALuint64)(now-start) * pDevice->Frequency / 1000;
if(avail < done)
{
/* Timer wrapped. Add the remainder of the cycle to the available
* count and reset the number of samples done */
avail += (ALuint64)0xFFFFFFFFu*pDevice->Frequency/1000 - done;
done = 0;
}
if(avail-done < pDevice->UpdateSize)
{
Sleep(restTime);
continue;
}
while(avail-done >= pDevice->UpdateSize)
{
aluMixData(pDevice, data->buffer, pDevice->UpdateSize);
done += pDevice->UpdateSize;
if(uSB.b[0] != 1)
{
ALuint bytesize = BytesFromDevFmt(pDevice->FmtType);
ALubyte *bytes = data->buffer;
ALuint i;
if(bytesize == 1)
{
for(i = 0;i < data->size;i++)
fputc(bytes[i], data->f);
}
else if(bytesize == 2)
{
for(i = 0;i < data->size;i++)
fputc(bytes[i^1], data->f);
}
else if(bytesize == 4)
{
for(i = 0;i < data->size;i++)
fputc(bytes[i^3], data->f);
}
}
else
fs = fwrite(data->buffer, frameSize, pDevice->UpdateSize,
data->f);
if(ferror(data->f))
{
AL_PRINT("Error writing to file\n");
aluHandleDisconnect(pDevice);
break;
}
}
}
return 0;
}
static ALCboolean wave_open_playback(ALCdevice *device, const ALCchar *deviceName)
{
wave_data *data;
const char *fname;
fname = GetConfigValue("wave", "file", "");
if(!fname[0])
return ALC_FALSE;
if(!deviceName)
deviceName = waveDevice;
else if(strcmp(deviceName, waveDevice) != 0)
return ALC_FALSE;
data = (wave_data*)calloc(1, sizeof(wave_data));
data->f = fopen(fname, "wb");
if(!data->f)
{
free(data);
AL_PRINT("Could not open file '%s': %s\n", fname, strerror(errno));
return ALC_FALSE;
}
device->szDeviceName = strdup(deviceName);
device->ExtraData = data;
return ALC_TRUE;
}
static void wave_close_playback(ALCdevice *device)
{
wave_data *data = (wave_data*)device->ExtraData;
fclose(data->f);
free(data);
device->ExtraData = NULL;
}
static ALCboolean wave_reset_playback(ALCdevice *device)
{
wave_data *data = (wave_data*)device->ExtraData;
ALuint channels=0, bits=0;
size_t val;
fseek(data->f, 0, SEEK_SET);
clearerr(data->f);
switch(device->FmtType)
{
case DevFmtByte:
device->FmtType = DevFmtUByte;
break;
case DevFmtUShort:
device->FmtType = DevFmtShort;
break;
case DevFmtUByte:
case DevFmtShort:
case DevFmtFloat:
break;
}
bits = BytesFromDevFmt(device->FmtType) * 8;
channels = ChannelsFromDevFmt(device->FmtChans);
fprintf(data->f, "RIFF");
fwrite32le(0xFFFFFFFF, data->f); // 'RIFF' header len; filled in at close
fprintf(data->f, "WAVE");
fprintf(data->f, "fmt ");
fwrite32le(40, data->f); // 'fmt ' header len; 40 bytes for EXTENSIBLE
// 16-bit val, format type id (extensible: 0xFFFE)
fwrite16le(0xFFFE, data->f);
// 16-bit val, channel count
fwrite16le(channels, data->f);
// 32-bit val, frequency
fwrite32le(device->Frequency, data->f);
// 32-bit val, bytes per second
fwrite32le(device->Frequency * channels * bits / 8, data->f);
// 16-bit val, frame size
fwrite16le(channels * bits / 8, data->f);
// 16-bit val, bits per sample
fwrite16le(bits, data->f);
// 16-bit val, extra byte count
fwrite16le(22, data->f);
// 16-bit val, valid bits per sample
fwrite16le(bits, data->f);
// 32-bit val, channel mask
fwrite32le(channel_masks[channels], data->f);
// 16 byte GUID, sub-type format
val = fwrite(((bits==32) ? SUBTYPE_FLOAT : SUBTYPE_PCM), 1, 16, data->f);
fprintf(data->f, "data");
fwrite32le(0xFFFFFFFF, data->f); // 'data' header len; filled in at close
if(ferror(data->f))
{
AL_PRINT("Error writing header: %s\n", strerror(errno));
return ALC_FALSE;
}
data->DataStart = ftell(data->f);
data->size = device->UpdateSize * channels * bits / 8;
data->buffer = malloc(data->size);
if(!data->buffer)
{
AL_PRINT("buffer malloc failed\n");
return ALC_FALSE;
}
SetDefaultWFXChannelOrder(device);
data->thread = StartThread(WaveProc, device);
if(data->thread == NULL)
{
free(data->buffer);
data->buffer = NULL;
return ALC_FALSE;
}
return ALC_TRUE;
}
static void wave_stop_playback(ALCdevice *device)
{
wave_data *data = (wave_data*)device->ExtraData;
ALuint dataLen;
long size;
if(!data->thread)
return;
data->killNow = 1;
StopThread(data->thread);
data->thread = NULL;
data->killNow = 0;
free(data->buffer);
data->buffer = NULL;
size = ftell(data->f);
if(size > 0)
{
dataLen = size - data->DataStart;
if(fseek(data->f, data->DataStart-4, SEEK_SET) == 0)
fwrite32le(dataLen, data->f); // 'data' header len
if(fseek(data->f, 4, SEEK_SET) == 0)
fwrite32le(size-8, data->f); // 'WAVE' header len
}
}
static ALCboolean wave_open_capture(ALCdevice *pDevice, const ALCchar *deviceName)
{
(void)pDevice;
(void)deviceName;
return ALC_FALSE;
}
BackendFuncs wave_funcs = {
wave_open_playback,
wave_close_playback,
wave_reset_playback,
wave_stop_playback,
wave_open_capture,
NULL,
NULL,
NULL,
NULL,
NULL
};
void alc_wave_init(BackendFuncs *func_list)
{
*func_list = wave_funcs;
}
void alc_wave_deinit(void)
{
}
void alc_wave_probe(int type)
{
if(!ConfigValueExists("wave", "file"))
return;
if(type == DEVICE_PROBE)
AppendDeviceList(waveDevice);
else if(type == ALL_DEVICE_PROBE)
AppendAllDeviceList(waveDevice);
}

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#define _WIN32_WINNT 0x0500
#include <stdlib.h>
#include <stdio.h>
#include <memory.h>
#include <windows.h>
#include <mmsystem.h>
#include "alMain.h"
#include "AL/al.h"
#include "AL/alc.h"
typedef struct {
// MMSYSTEM Device
volatile ALboolean bWaveShutdown;
HANDLE hWaveHdrEvent;
HANDLE hWaveThreadEvent;
HANDLE hWaveThread;
DWORD ulWaveThreadID;
LONG lWaveBuffersCommitted;
WAVEHDR WaveBuffer[4];
union {
HWAVEIN In;
HWAVEOUT Out;
} hWaveHandle;
ALsizei Frequency;
RingBuffer *pRing;
} WinMMData;
static const ALCchar woDefault[] = "WaveOut Default";
static ALCchar **PlaybackDeviceList;
static ALuint NumPlaybackDevices;
static ALCchar **CaptureDeviceList;
static ALuint NumCaptureDevices;
static void ProbePlaybackDevices(void)
{
ALuint i;
for(i = 0;i < NumPlaybackDevices;i++)
free(PlaybackDeviceList[i]);
NumPlaybackDevices = waveOutGetNumDevs();
PlaybackDeviceList = realloc(PlaybackDeviceList, sizeof(ALCchar*) * NumPlaybackDevices);
for(i = 0;i < NumPlaybackDevices;i++)
{
WAVEOUTCAPS WaveCaps;
PlaybackDeviceList[i] = NULL;
if(waveOutGetDevCaps(i, &WaveCaps, sizeof(WaveCaps)) == MMSYSERR_NOERROR)
{
char name[1024];
ALuint count, j;
count = 0;
do {
if(count == 0)
snprintf(name, sizeof(name), "%s via WaveOut", WaveCaps.szPname);
else
snprintf(name, sizeof(name), "%s #%d via WaveOut", WaveCaps.szPname, count+1);
count++;
for(j = 0;j < i;j++)
{
if(strcmp(name, PlaybackDeviceList[j]) == 0)
break;
}
} while(j != i);
PlaybackDeviceList[i] = strdup(name);
}
}
}
static void ProbeCaptureDevices(void)
{
ALuint i;
for(i = 0;i < NumCaptureDevices;i++)
free(CaptureDeviceList[i]);
NumCaptureDevices = waveInGetNumDevs();
CaptureDeviceList = realloc(CaptureDeviceList, sizeof(ALCchar*) * NumCaptureDevices);
for(i = 0;i < NumCaptureDevices;i++)
{
WAVEINCAPS WaveInCaps;
CaptureDeviceList[i] = NULL;
if(waveInGetDevCaps(i, &WaveInCaps, sizeof(WAVEINCAPS)) == MMSYSERR_NOERROR)
{
char name[1024];
ALuint count, j;
count = 0;
do {
if(count == 0)
snprintf(name, sizeof(name), "%s via WaveIn", WaveInCaps.szPname);
else
snprintf(name, sizeof(name), "%s #%d via WaveIn", WaveInCaps.szPname, count+1);
count++;
for(j = 0;j < i;j++)
{
if(strcmp(name, CaptureDeviceList[j]) == 0)
break;
}
} while(j != i);
CaptureDeviceList[i] = strdup(name);
}
}
}
/*
WaveOutProc
Posts a message to 'PlaybackThreadProc' everytime a WaveOut Buffer is completed and
returns to the application (for more data)
*/
static void CALLBACK WaveOutProc(HWAVEOUT hDevice,UINT uMsg,DWORD_PTR dwInstance,DWORD_PTR dwParam1,DWORD_PTR dwParam2)
{
ALCdevice *pDevice = (ALCdevice*)dwInstance;
WinMMData *pData = pDevice->ExtraData;
(void)hDevice;
(void)dwParam2;
if(uMsg != WOM_DONE)
return;
// Decrement number of buffers in use
InterlockedDecrement(&pData->lWaveBuffersCommitted);
if(pData->bWaveShutdown == AL_FALSE)
{
// Notify Wave Processor Thread that a Wave Header has returned
PostThreadMessage(pData->ulWaveThreadID, uMsg, 0, dwParam1);
}
else
{
if(pData->lWaveBuffersCommitted == 0)
{
// Signal Wave Buffers Returned event
if(pData->hWaveHdrEvent)
SetEvent(pData->hWaveHdrEvent);
// Post 'Quit' Message to WaveOut Processor Thread
PostThreadMessage(pData->ulWaveThreadID, WM_QUIT, 0, 0);
}
}
}
/*
PlaybackThreadProc
Used by "MMSYSTEM" Device. Called when a WaveOut buffer has used up its
audio data.
*/
static DWORD WINAPI PlaybackThreadProc(LPVOID lpParameter)
{
ALCdevice *pDevice = (ALCdevice*)lpParameter;
WinMMData *pData = pDevice->ExtraData;
LPWAVEHDR pWaveHdr;
ALuint FrameSize;
MSG msg;
FrameSize = FrameSizeFromDevFmt(pDevice->FmtChans, pDevice->FmtType);
while(GetMessage(&msg, NULL, 0, 0))
{
if(msg.message != WOM_DONE || pData->bWaveShutdown)
continue;
pWaveHdr = ((LPWAVEHDR)msg.lParam);
aluMixData(pDevice, pWaveHdr->lpData, pWaveHdr->dwBufferLength/FrameSize);
// Send buffer back to play more data
waveOutWrite(pData->hWaveHandle.Out, pWaveHdr, sizeof(WAVEHDR));
InterlockedIncrement(&pData->lWaveBuffersCommitted);
}
// Signal Wave Thread completed event
if(pData->hWaveThreadEvent)
SetEvent(pData->hWaveThreadEvent);
ExitThread(0);
return 0;
}
/*
WaveInProc
Posts a message to 'CaptureThreadProc' everytime a WaveIn Buffer is completed and
returns to the application (with more data)
*/
static void CALLBACK WaveInProc(HWAVEIN hDevice,UINT uMsg,DWORD_PTR dwInstance,DWORD_PTR dwParam1,DWORD_PTR dwParam2)
{
ALCdevice *pDevice = (ALCdevice*)dwInstance;
WinMMData *pData = pDevice->ExtraData;
(void)hDevice;
(void)dwParam2;
if(uMsg != WIM_DATA)
return;
// Decrement number of buffers in use
InterlockedDecrement(&pData->lWaveBuffersCommitted);
if(pData->bWaveShutdown == AL_FALSE)
{
// Notify Wave Processor Thread that a Wave Header has returned
PostThreadMessage(pData->ulWaveThreadID,uMsg,0,dwParam1);
}
else
{
if(pData->lWaveBuffersCommitted == 0)
{
// Signal Wave Buffers Returned event
if(pData->hWaveHdrEvent)
SetEvent(pData->hWaveHdrEvent);
// Post 'Quit' Message to WaveIn Processor Thread
PostThreadMessage(pData->ulWaveThreadID,WM_QUIT,0,0);
}
}
}
/*
CaptureThreadProc
Used by "MMSYSTEM" Device. Called when a WaveIn buffer had been filled with new
audio data.
*/
static DWORD WINAPI CaptureThreadProc(LPVOID lpParameter)
{
ALCdevice *pDevice = (ALCdevice*)lpParameter;
WinMMData *pData = pDevice->ExtraData;
LPWAVEHDR pWaveHdr;
ALuint FrameSize;
MSG msg;
FrameSize = FrameSizeFromDevFmt(pDevice->FmtChans, pDevice->FmtType);
while(GetMessage(&msg, NULL, 0, 0))
{
if(msg.message != WIM_DATA || pData->bWaveShutdown)
continue;
pWaveHdr = ((LPWAVEHDR)msg.lParam);
WriteRingBuffer(pData->pRing, (ALubyte*)pWaveHdr->lpData,
pWaveHdr->dwBytesRecorded/FrameSize);
// Send buffer back to capture more data
waveInAddBuffer(pData->hWaveHandle.In,pWaveHdr,sizeof(WAVEHDR));
InterlockedIncrement(&pData->lWaveBuffersCommitted);
}
// Signal Wave Thread completed event
if(pData->hWaveThreadEvent)
SetEvent(pData->hWaveThreadEvent);
ExitThread(0);
return 0;
}
static ALCboolean WinMMOpenPlayback(ALCdevice *pDevice, const ALCchar *deviceName)
{
WAVEFORMATEX wfexFormat;
WinMMData *pData = NULL;
UINT lDeviceID = 0;
MMRESULT res;
ALuint i = 0;
// Find the Device ID matching the deviceName if valid
if(!deviceName || strcmp(deviceName, woDefault) == 0)
lDeviceID = WAVE_MAPPER;
else
{
if(!PlaybackDeviceList)
ProbePlaybackDevices();
for(i = 0;i < NumPlaybackDevices;i++)
{
if(PlaybackDeviceList[i] &&
strcmp(deviceName, PlaybackDeviceList[i]) == 0)
{
lDeviceID = i;
break;
}
}
if(i == NumPlaybackDevices)
return ALC_FALSE;
}
pData = calloc(1, sizeof(*pData));
if(!pData)
{
alcSetError(pDevice, ALC_OUT_OF_MEMORY);
return ALC_FALSE;
}
pDevice->ExtraData = pData;
if(pDevice->FmtChans != DevFmtMono)
pDevice->FmtChans = DevFmtStereo;
switch(pDevice->FmtType)
{
case DevFmtByte:
pDevice->FmtType = DevFmtUByte;
break;
case DevFmtUShort:
case DevFmtFloat:
pDevice->FmtType = DevFmtShort;
break;
case DevFmtUByte:
case DevFmtShort:
break;
}
memset(&wfexFormat, 0, sizeof(WAVEFORMATEX));
wfexFormat.wFormatTag = WAVE_FORMAT_PCM;
wfexFormat.nChannels = ChannelsFromDevFmt(pDevice->FmtChans);
wfexFormat.wBitsPerSample = BytesFromDevFmt(pDevice->FmtType) * 8;
wfexFormat.nBlockAlign = wfexFormat.wBitsPerSample *
wfexFormat.nChannels / 8;
wfexFormat.nSamplesPerSec = pDevice->Frequency;
wfexFormat.nAvgBytesPerSec = wfexFormat.nSamplesPerSec *
wfexFormat.nBlockAlign;
wfexFormat.cbSize = 0;
if((res=waveOutOpen(&pData->hWaveHandle.Out, lDeviceID, &wfexFormat, (DWORD_PTR)&WaveOutProc, (DWORD_PTR)pDevice, CALLBACK_FUNCTION)) != MMSYSERR_NOERROR)
{
AL_PRINT("waveInOpen failed: %u\n", res);
goto failure;
}
pData->hWaveHdrEvent = CreateEvent(NULL, AL_TRUE, AL_FALSE, "WaveOutAllHeadersReturned");
pData->hWaveThreadEvent = CreateEvent(NULL, AL_TRUE, AL_FALSE, "WaveOutThreadDestroyed");
if(pData->hWaveHdrEvent == NULL || pData->hWaveThreadEvent == NULL)
{
AL_PRINT("CreateEvent failed: %lu\n", GetLastError());
goto failure;
}
pData->Frequency = pDevice->Frequency;
pDevice->szDeviceName = strdup((lDeviceID==WAVE_MAPPER) ? woDefault :
PlaybackDeviceList[lDeviceID]);
return ALC_TRUE;
failure:
if(pData->hWaveThreadEvent)
CloseHandle(pData->hWaveThreadEvent);
if(pData->hWaveHdrEvent)
CloseHandle(pData->hWaveHdrEvent);
if(pData->hWaveHandle.Out)
waveOutClose(pData->hWaveHandle.Out);
free(pData);
pDevice->ExtraData = NULL;
return ALC_FALSE;
}
static void WinMMClosePlayback(ALCdevice *device)
{
WinMMData *pData = (WinMMData*)device->ExtraData;
// Close the Wave device
CloseHandle(pData->hWaveThreadEvent);
pData->hWaveThreadEvent = 0;
CloseHandle(pData->hWaveHdrEvent);
pData->hWaveHdrEvent = 0;
waveInClose(pData->hWaveHandle.In);
pData->hWaveHandle.In = 0;
free(pData);
device->ExtraData = NULL;
}
static ALCboolean WinMMResetPlayback(ALCdevice *device)
{
WinMMData *pData = (WinMMData*)device->ExtraData;
ALbyte *BufferData;
ALint lBufferSize;
ALuint i;
pData->hWaveThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)PlaybackThreadProc, (LPVOID)device, 0, &pData->ulWaveThreadID);
if(pData->hWaveThread == NULL)
return ALC_FALSE;
device->UpdateSize = (ALuint)((ALuint64)device->UpdateSize *
pData->Frequency / device->Frequency);
device->Frequency = pData->Frequency;
pData->lWaveBuffersCommitted = 0;
// Create 4 Buffers
lBufferSize = device->UpdateSize*device->NumUpdates / 4;
lBufferSize *= FrameSizeFromDevFmt(device->FmtChans, device->FmtType);
BufferData = calloc(4, lBufferSize);
for(i = 0;i < 4;i++)
{
memset(&pData->WaveBuffer[i], 0, sizeof(WAVEHDR));
pData->WaveBuffer[i].dwBufferLength = lBufferSize;
pData->WaveBuffer[i].lpData = ((i==0) ? (LPSTR)BufferData :
(pData->WaveBuffer[i-1].lpData +
pData->WaveBuffer[i-1].dwBufferLength));
waveOutPrepareHeader(pData->hWaveHandle.Out, &pData->WaveBuffer[i], sizeof(WAVEHDR));
waveOutWrite(pData->hWaveHandle.Out, &pData->WaveBuffer[i], sizeof(WAVEHDR));
InterlockedIncrement(&pData->lWaveBuffersCommitted);
}
return ALC_TRUE;
}
static void WinMMStopPlayback(ALCdevice *device)
{
WinMMData *pData = (WinMMData*)device->ExtraData;
int i;
if(pData->hWaveThread == NULL)
return;
// Set flag to stop processing headers
pData->bWaveShutdown = AL_TRUE;
// Wait for signal that all Wave Buffers have returned
WaitForSingleObjectEx(pData->hWaveHdrEvent, 5000, FALSE);
// Wait for signal that Wave Thread has been destroyed
WaitForSingleObjectEx(pData->hWaveThreadEvent, 5000, FALSE);
CloseHandle(pData->hWaveThread);
pData->hWaveThread = 0;
pData->bWaveShutdown = AL_FALSE;
// Release the wave buffers
for(i = 0;i < 4;i++)
{
waveOutUnprepareHeader(pData->hWaveHandle.Out, &pData->WaveBuffer[i], sizeof(WAVEHDR));
if(i == 0)
free(pData->WaveBuffer[i].lpData);
pData->WaveBuffer[i].lpData = NULL;
}
}
static ALCboolean WinMMOpenCapture(ALCdevice *pDevice, const ALCchar *deviceName)
{
WAVEFORMATEX wfexCaptureFormat;
DWORD ulCapturedDataSize;
WinMMData *pData = NULL;
UINT lDeviceID = 0;
ALbyte *BufferData;
ALint lBufferSize;
MMRESULT res;
ALuint i;
if(!CaptureDeviceList)
ProbeCaptureDevices();
// Find the Device ID matching the deviceName if valid
if(deviceName)
{
for(i = 0;i < NumCaptureDevices;i++)
{
if(CaptureDeviceList[i] &&
strcmp(deviceName, CaptureDeviceList[i]) == 0)
{
lDeviceID = i;
break;
}
}
}
else
{
for(i = 0;i < NumCaptureDevices;i++)
{
if(CaptureDeviceList[i])
{
lDeviceID = i;
break;
}
}
}
if(i == NumCaptureDevices)
return ALC_FALSE;
pData = calloc(1, sizeof(*pData));
if(!pData)
{
alcSetError(pDevice, ALC_OUT_OF_MEMORY);
return ALC_FALSE;
}
pDevice->ExtraData = pData;
if((pDevice->FmtChans != DevFmtMono && pDevice->FmtChans != DevFmtStereo) ||
(pDevice->FmtType != DevFmtUByte && pDevice->FmtType != DevFmtShort))
{
alcSetError(pDevice, ALC_INVALID_ENUM);
goto failure;
}
memset(&wfexCaptureFormat, 0, sizeof(WAVEFORMATEX));
wfexCaptureFormat.wFormatTag = WAVE_FORMAT_PCM;
wfexCaptureFormat.nChannels = ChannelsFromDevFmt(pDevice->FmtChans);
wfexCaptureFormat.wBitsPerSample = BytesFromDevFmt(pDevice->FmtType) * 8;
wfexCaptureFormat.nBlockAlign = wfexCaptureFormat.wBitsPerSample *
wfexCaptureFormat.nChannels / 8;
wfexCaptureFormat.nSamplesPerSec = pDevice->Frequency;
wfexCaptureFormat.nAvgBytesPerSec = wfexCaptureFormat.nSamplesPerSec *
wfexCaptureFormat.nBlockAlign;
wfexCaptureFormat.cbSize = 0;
if((res=waveInOpen(&pData->hWaveHandle.In, lDeviceID, &wfexCaptureFormat, (DWORD_PTR)&WaveInProc, (DWORD_PTR)pDevice, CALLBACK_FUNCTION)) != MMSYSERR_NOERROR)
{
AL_PRINT("waveInOpen failed: %u\n", res);
goto failure;
}
pData->hWaveHdrEvent = CreateEvent(NULL, AL_TRUE, AL_FALSE, "WaveInAllHeadersReturned");
pData->hWaveThreadEvent = CreateEvent(NULL, AL_TRUE, AL_FALSE, "WaveInThreadDestroyed");
if(pData->hWaveHdrEvent == NULL || pData->hWaveThreadEvent == NULL)
{
AL_PRINT("CreateEvent failed: %lu\n", GetLastError());
goto failure;
}
pData->Frequency = pDevice->Frequency;
// Allocate circular memory buffer for the captured audio
ulCapturedDataSize = pDevice->UpdateSize*pDevice->NumUpdates;
// Make sure circular buffer is at least 100ms in size
if(ulCapturedDataSize < (wfexCaptureFormat.nSamplesPerSec / 10))
ulCapturedDataSize = wfexCaptureFormat.nSamplesPerSec / 10;
pData->pRing = CreateRingBuffer(wfexCaptureFormat.nBlockAlign, ulCapturedDataSize);
if(!pData->pRing)
goto failure;
pData->lWaveBuffersCommitted = 0;
// Create 4 Buffers of 50ms each
lBufferSize = wfexCaptureFormat.nAvgBytesPerSec / 20;
lBufferSize -= (lBufferSize % wfexCaptureFormat.nBlockAlign);
BufferData = calloc(4, lBufferSize);
if(!BufferData)
goto failure;
for(i = 0;i < 4;i++)
{
memset(&pData->WaveBuffer[i], 0, sizeof(WAVEHDR));
pData->WaveBuffer[i].dwBufferLength = lBufferSize;
pData->WaveBuffer[i].lpData = ((i==0) ? (LPSTR)BufferData :
(pData->WaveBuffer[i-1].lpData +
pData->WaveBuffer[i-1].dwBufferLength));
pData->WaveBuffer[i].dwFlags = 0;
pData->WaveBuffer[i].dwLoops = 0;
waveInPrepareHeader(pData->hWaveHandle.In, &pData->WaveBuffer[i], sizeof(WAVEHDR));
waveInAddBuffer(pData->hWaveHandle.In, &pData->WaveBuffer[i], sizeof(WAVEHDR));
InterlockedIncrement(&pData->lWaveBuffersCommitted);
}
pData->hWaveThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)CaptureThreadProc, (LPVOID)pDevice, 0, &pData->ulWaveThreadID);
if (pData->hWaveThread == NULL)
goto failure;
pDevice->szDeviceName = strdup(CaptureDeviceList[lDeviceID]);
return ALC_TRUE;
failure:
if(pData->hWaveThread)
CloseHandle(pData->hWaveThread);
for(i = 0;i < 4;i++)
{
if(pData->WaveBuffer[i].lpData)
{
waveInUnprepareHeader(pData->hWaveHandle.In, &pData->WaveBuffer[i], sizeof(WAVEHDR));
if(i == 0)
free(pData->WaveBuffer[i].lpData);
}
}
if(pData->pRing)
DestroyRingBuffer(pData->pRing);
if(pData->hWaveThreadEvent)
CloseHandle(pData->hWaveThreadEvent);
if(pData->hWaveHdrEvent)
CloseHandle(pData->hWaveHdrEvent);
if(pData->hWaveHandle.In)
waveInClose(pData->hWaveHandle.In);
free(pData);
pDevice->ExtraData = NULL;
return ALC_FALSE;
}
static void WinMMCloseCapture(ALCdevice *pDevice)
{
WinMMData *pData = (WinMMData*)pDevice->ExtraData;
int i;
// Call waveOutReset to shutdown wave device
pData->bWaveShutdown = AL_TRUE;
waveInReset(pData->hWaveHandle.In);
// Wait for signal that all Wave Buffers have returned
WaitForSingleObjectEx(pData->hWaveHdrEvent, 5000, FALSE);
// Wait for signal that Wave Thread has been destroyed
WaitForSingleObjectEx(pData->hWaveThreadEvent, 5000, FALSE);
CloseHandle(pData->hWaveThread);
pData->hWaveThread = 0;
// Release the wave buffers
for(i = 0;i < 4;i++)
{
waveInUnprepareHeader(pData->hWaveHandle.In, &pData->WaveBuffer[i], sizeof(WAVEHDR));
if(i == 0)
free(pData->WaveBuffer[i].lpData);
pData->WaveBuffer[i].lpData = NULL;
}
DestroyRingBuffer(pData->pRing);
pData->pRing = NULL;
// Close the Wave device
CloseHandle(pData->hWaveThreadEvent);
pData->hWaveThreadEvent = 0;
CloseHandle(pData->hWaveHdrEvent);
pData->hWaveHdrEvent = 0;
waveInClose(pData->hWaveHandle.In);
pData->hWaveHandle.In = 0;
free(pData);
pDevice->ExtraData = NULL;
}
static void WinMMStartCapture(ALCdevice *pDevice)
{
WinMMData *pData = (WinMMData*)pDevice->ExtraData;
waveInStart(pData->hWaveHandle.In);
}
static void WinMMStopCapture(ALCdevice *pDevice)
{
WinMMData *pData = (WinMMData*)pDevice->ExtraData;
waveInStop(pData->hWaveHandle.In);
}
static ALCuint WinMMAvailableSamples(ALCdevice *pDevice)
{
WinMMData *pData = (WinMMData*)pDevice->ExtraData;
return RingBufferSize(pData->pRing);
}
static void WinMMCaptureSamples(ALCdevice *pDevice, ALCvoid *pBuffer, ALCuint lSamples)
{
WinMMData *pData = (WinMMData*)pDevice->ExtraData;
if(WinMMAvailableSamples(pDevice) >= lSamples)
ReadRingBuffer(pData->pRing, pBuffer, lSamples);
else
alcSetError(pDevice, ALC_INVALID_VALUE);
}
static BackendFuncs WinMMFuncs = {
WinMMOpenPlayback,
WinMMClosePlayback,
WinMMResetPlayback,
WinMMStopPlayback,
WinMMOpenCapture,
WinMMCloseCapture,
WinMMStartCapture,
WinMMStopCapture,
WinMMCaptureSamples,
WinMMAvailableSamples
};
void alcWinMMInit(BackendFuncs *FuncList)
{
*FuncList = WinMMFuncs;
}
void alcWinMMDeinit()
{
ALuint lLoop;
for(lLoop = 0;lLoop < NumPlaybackDevices;lLoop++)
free(PlaybackDeviceList[lLoop]);
free(PlaybackDeviceList);
PlaybackDeviceList = NULL;
NumPlaybackDevices = 0;
for(lLoop = 0; lLoop < NumCaptureDevices; lLoop++)
free(CaptureDeviceList[lLoop]);
free(CaptureDeviceList);
CaptureDeviceList = NULL;
NumCaptureDevices = 0;
}
void alcWinMMProbe(int type)
{
ALuint i;
if(type == DEVICE_PROBE)
{
ProbePlaybackDevices();
if(NumPlaybackDevices > 0)
AppendDeviceList(woDefault);
}
else if(type == ALL_DEVICE_PROBE)
{
ProbePlaybackDevices();
if(NumPlaybackDevices > 0)
AppendAllDeviceList(woDefault);
for(i = 0;i < NumPlaybackDevices;i++)
{
if(PlaybackDeviceList[i])
AppendAllDeviceList(PlaybackDeviceList[i]);
}
}
else if(type == CAPTURE_DEVICE_PROBE)
{
ProbeCaptureDevices();
for(i = 0;i < NumCaptureDevices;i++)
{
if(CaptureDeviceList[i])
AppendCaptureDeviceList(CaptureDeviceList[i]);
}
}
}

541
CMakeLists.txt Normal file
View File

@ -0,0 +1,541 @@
# CMake build file list for OpenAL
CMAKE_MINIMUM_REQUIRED(VERSION 2.4)
IF(COMMAND CMAKE_POLICY)
CMAKE_POLICY(SET CMP0003 NEW)
ENDIF(COMMAND CMAKE_POLICY)
SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
INCLUDE(CheckFunctionExists)
INCLUDE(CheckLibraryExists)
INCLUDE(CheckSharedLibraryExists)
INCLUDE(CheckIncludeFile)
INCLUDE(CheckIncludeFiles)
INCLUDE(CheckSymbolExists)
INCLUDE(CheckCCompilerFlag)
INCLUDE(CheckCSourceCompiles)
INCLUDE(CheckTypeSize)
PROJECT(OpenAL C)
SET(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS TRUE)
OPTION(ALSA "Check for ALSA backend" ON)
OPTION(OSS "Check for OSS backend" ON)
OPTION(SOLARIS "Check for Solaris backend" ON)
OPTION(DSOUND "Check for DirectSound backend" ON)
OPTION(WINMM "Check for Windows Multimedia backend" ON)
OPTION(PORTAUDIO "Check for PortAudio backend" ON)
OPTION(PULSEAUDIO "Check for PulseAudio backend" ON)
OPTION(WAVE "Enable Wave Writer backend" ON)
OPTION(DLOPEN "Check for the dlopen API for loading optional libs" ON)
OPTION(WERROR "Treat compile warnings as errors" OFF)
OPTION(UTILS "Build and install utility programs" ON)
OPTION(ALSOFT_CONFIG "Install alsoft.conf configuration file" OFF)
IF(WIN32)
SET(LIBNAME OpenAL32)
ADD_DEFINITIONS("-D_WIN32")
ELSE()
SET(LIBNAME openal)
ENDIF()
IF(NOT LIBTYPE)
SET(LIBTYPE SHARED)
ENDIF()
SET(LIB_MAJOR_VERSION "1")
SET(LIB_MINOR_VERSION "13")
SET(LIB_VERSION "${LIB_MAJOR_VERSION}.${LIB_MINOR_VERSION}")
CHECK_TYPE_SIZE("long" SIZEOF_LONG)
CHECK_TYPE_SIZE("long long" SIZEOF_LONG_LONG)
CHECK_TYPE_SIZE("unsigned int" SIZEOF_UINT)
CHECK_TYPE_SIZE("void*" SIZEOF_VOIDP)
# Add definitions, compiler switches, etc.
INCLUDE_DIRECTORIES(OpenAL32/Include include "${OpenAL_BINARY_DIR}")
IF(NOT CMAKE_BUILD_TYPE)
SET(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING
"Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel."
FORCE)
ENDIF()
IF(NOT CMAKE_DEBUG_POSTFIX)
SET(CMAKE_DEBUG_POSTFIX "" CACHE STRING
"Library postfix for debug builds. Normally left blank."
FORCE)
ENDIF()
IF(MSVC)
# ???
SET(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -D_DEBUG")
SET(CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL} -DNDEBUG")
SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -DNDEBUG")
SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG")
ADD_DEFINITIONS(-D_CRT_SECURE_NO_WARNINGS)
ADD_DEFINITIONS(-D_CRT_NONSTDC_NO_DEPRECATE)
IF(NOT DXSDK_DIR)
STRING(REGEX REPLACE "\\\\" "/" DXSDK_DIR "$ENV{DXSDK_DIR}")
ELSE()
STRING(REGEX REPLACE "\\\\" "/" DXSDK_DIR "${DXSDK_DIR}")
ENDIF()
IF(DXSDK_DIR)
MESSAGE(STATUS "Using DirectX SDK directory: ${DXSDK_DIR}")
SET(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} "${DXSDK_DIR}/Include")
INCLUDE_DIRECTORIES("${DXSDK_DIR}/Include")
LINK_DIRECTORIES("${DXSDK_DIR}/Lib")
ENDIF()
OPTION(FORCE_STATIC_VCRT "Force /MT for static VC runtimes" OFF)
IF(FORCE_STATIC_VCRT)
FOREACH(flag_var
CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
IF(${flag_var} MATCHES "/MD")
STRING(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
ENDIF()
ENDFOREACH(flag_var)
ENDIF()
ELSE()
ADD_DEFINITIONS(-Winline -Wall)
CHECK_C_COMPILER_FLAG(-Wextra HAVE_W_EXTRA)
IF(HAVE_W_EXTRA)
ADD_DEFINITIONS(-Wextra)
ENDIF()
IF(WERROR)
ADD_DEFINITIONS(-Werror)
ENDIF()
SET(CMAKE_C_FLAGS_RELWITHDEBINFO "-g -O2 -D_DEBUG" CACHE STRING
"Flags used by the compiler during Release with Debug Info builds."
FORCE)
SET(CMAKE_C_FLAGS_MINSIZEREL "-Os -DNDEBUG" CACHE STRING
"Flags used by the compiler during release minsize builds."
FORCE)
SET(CMAKE_C_FLAGS_RELEASE "-O2 -fomit-frame-pointer -DNDEBUG" CACHE STRING
"Flags used by the compiler during release builds"
FORCE)
SET(CMAKE_C_FLAGS_DEBUG "-g3 -D_DEBUG" CACHE STRING
"Flags used by the compiler during debug builds."
FORCE)
CHECK_C_SOURCE_COMPILES("int foo() __attribute__((destructor));
int main() {return 0;}" HAVE_GCC_DESTRUCTOR)
# Set visibility options if available
IF(NOT WIN32)
CHECK_C_COMPILER_FLAG(-fvisibility=internal HAVE_VISIBILITY_SWITCH)
IF(HAVE_VISIBILITY_SWITCH)
CHECK_C_SOURCE_COMPILES("int foo() __attribute__((visibility(\"default\")));
int main() {return 0;}" HAVE_GCC_VISIBILITY)
IF(HAVE_GCC_VISIBILITY)
ADD_DEFINITIONS(-fvisibility=internal -DHAVE_GCC_VISIBILITY)
ENDIF()
ENDIF()
ENDIF()
ENDIF()
CHECK_C_SOURCE_COMPILES("int foo(const char *str, ...) __attribute__((format(printf, 1, 2)));
int main() {return 0;}" HAVE_GCC_FORMAT)
CHECK_INCLUDE_FILE(fenv.h HAVE_FENV_H)
CHECK_INCLUDE_FILE(float.h HAVE_FLOAT_H)
CHECK_LIBRARY_EXISTS(m powf "" HAVE_POWF)
CHECK_LIBRARY_EXISTS(m sqrtf "" HAVE_SQRTF)
CHECK_LIBRARY_EXISTS(m acosf "" HAVE_ACOSF)
CHECK_LIBRARY_EXISTS(m atanf "" HAVE_ATANF)
CHECK_LIBRARY_EXISTS(m fabsf "" HAVE_FABSF)
IF(HAVE_FENV_H)
CHECK_LIBRARY_EXISTS(m fesetround "" HAVE_FESETROUND)
ENDIF()
IF(HAVE_SQRTF OR HAVE_ACOSF OR HAVE_ATANF OR HAVE_FABSF OR HAVE_FESETROUND)
SET(EXTRA_LIBS m ${EXTRA_LIBS})
ENDIF()
CHECK_FUNCTION_EXISTS(strtof HAVE_STRTOF)
CHECK_FUNCTION_EXISTS(_controlfp HAVE__CONTROLFP)
CHECK_FUNCTION_EXISTS(stat HAVE_STAT)
CHECK_FUNCTION_EXISTS(strcasecmp HAVE_STRCASECMP)
IF(NOT HAVE_STRCASECMP)
CHECK_FUNCTION_EXISTS(_stricmp HAVE__STRICMP)
IF(NOT HAVE__STRICMP)
MESSAGE(FATAL_ERROR "No case-insensitive compare function found, please report!")
ENDIF()
ADD_DEFINITIONS(-Dstrcasecmp=_stricmp)
ENDIF()
CHECK_FUNCTION_EXISTS(strncasecmp HAVE_STRNCASECMP)
IF(NOT HAVE_STRNCASECMP)
CHECK_FUNCTION_EXISTS(_strnicmp HAVE__STRNICMP)
IF(NOT HAVE__STRNICMP)
MESSAGE(FATAL_ERROR "No case-insensitive size-limitted compare function found, please report!")
ENDIF()
ADD_DEFINITIONS(-Dstrncasecmp=_strnicmp)
ENDIF()
CHECK_FUNCTION_EXISTS(snprintf HAVE_SNPRINTF)
IF(NOT HAVE_SNPRINTF)
CHECK_FUNCTION_EXISTS(_snprintf HAVE__SNPRINTF)
IF(NOT HAVE__SNPRINTF)
MESSAGE(FATAL_ERROR "No snprintf function found, please report!")
ENDIF()
ADD_DEFINITIONS(-Dsnprintf=_snprintf)
ENDIF()
CHECK_FUNCTION_EXISTS(vsnprintf HAVE_VSNPRINTF)
IF(NOT HAVE_VSNPRINTF)
CHECK_FUNCTION_EXISTS(_vsnprintf HAVE__VSNPRINTF)
IF(NOT HAVE__VSNPRINTF)
MESSAGE(FATAL_ERROR "No vsnprintf function found, please report!")
ENDIF()
ADD_DEFINITIONS(-Dvsnprintf=_vsnprintf)
ENDIF()
CHECK_SYMBOL_EXISTS(isnan math.h HAVE_ISNAN)
IF(NOT HAVE_ISNAN)
CHECK_FUNCTION_EXISTS(_isnan HAVE__ISNAN)
IF(NOT HAVE__ISNAN)
MESSAGE(FATAL_ERROR "No isnan function found, please report!")
ENDIF()
ADD_DEFINITIONS(-Disnan=_isnan)
ENDIF()
# Check for the dlopen API (for dynamicly loading backend libs)
IF(DLOPEN)
CHECK_INCLUDE_FILE(dlfcn.h HAVE_DLFCN_H)
IF(HAVE_DLFCN_H)
CHECK_LIBRARY_EXISTS(dl dlopen "" HAVE_LIBDL)
IF(HAVE_LIBDL)
SET(EXTRA_LIBS dl ${EXTRA_LIBS})
ENDIF()
ENDIF()
ENDIF()
# Check if we have Windows headers
CHECK_INCLUDE_FILE(windows.h HAVE_WINDOWS_H -D_WIN32_WINNT=0x0500)
IF(NOT HAVE_WINDOWS_H)
CHECK_FUNCTION_EXISTS(gettimeofday HAVE_GETTIMEOFDAY)
IF(NOT HAVE_GETTIMEOFDAY)
MESSAGE(FATAL_ERROR "No timing function found!")
ENDIF()
CHECK_FUNCTION_EXISTS(nanosleep HAVE_NANOSLEEP)
IF(NOT HAVE_NANOSLEEP)
MESSAGE(FATAL_ERROR "No sleep function found!")
ENDIF()
CHECK_C_COMPILER_FLAG(-pthread HAVE_PTHREAD)
IF(HAVE_PTHREAD)
ADD_DEFINITIONS(-pthread)
SET(EXTRA_LIBS ${EXTRA_LIBS} -pthread)
ENDIF()
# We need pthreads outside of Windows
CHECK_INCLUDE_FILE(pthread.h HAVE_PTHREAD_H)
IF(NOT HAVE_PTHREAD_H)
MESSAGE(FATAL_ERROR "PThreads is required for non-Windows builds!")
ENDIF()
# Some systems need pthread_np.h to get recursive mutexes
CHECK_INCLUDE_FILES("pthread.h;pthread_np.h" HAVE_PTHREAD_NP_H)
# _GNU_SOURCE is needed on some systems for extra attributes, and
# _REENTRANT is needed for libc thread-safety
ADD_DEFINITIONS(-D_GNU_SOURCE=1)
CHECK_LIBRARY_EXISTS(pthread pthread_create "" HAVE_LIBPTHREAD)
IF(HAVE_LIBPTHREAD)
SET(EXTRA_LIBS pthread ${EXTRA_LIBS})
ENDIF()
CHECK_LIBRARY_EXISTS(pthread pthread_setschedparam "" HAVE_PTHREAD_SETSCHEDPARAM)
CHECK_LIBRARY_EXISTS(rt clock_gettime "" HAVE_LIBRT)
IF(HAVE_LIBRT)
SET(EXTRA_LIBS rt ${EXTRA_LIBS})
ENDIF()
ENDIF()
# Check for a 64-bit type
CHECK_INCLUDE_FILE(stdint.h HAVE_STDINT_H)
IF(NOT HAVE_STDINT_H)
IF(HAVE_WINDOWS_H)
CHECK_C_SOURCE_COMPILES("\#define _WIN32_WINNT 0x0500
\#include <windows.h>
__int64 foo;
int main() {return 0;}" HAVE___INT64)
ENDIF()
IF(NOT HAVE___INT64)
IF(NOT SIZEOF_LONG MATCHES "8")
IF(NOT SIZEOF_LONG_LONG MATCHES "8")
MESSAGE(FATAL_ERROR "No 64-bit types found, please report!")
ENDIF()
ENDIF()
ENDIF()
ENDIF()
IF(WIN32)
# Windows needs winmm for timeGetTime, even if the backend is disabled
CHECK_SHARED_LIBRARY_EXISTS(winmm timeGetTime 0 "" HAVE_LIBWINMM)
IF(HAVE_LIBWINMM)
SET(EXTRA_LIBS winmm ${EXTRA_LIBS})
SET(PKG_CONFIG_LIBS ${PKG_CONFIG_LIBS} -lwinmm)
ENDIF()
ENDIF()
SET(OPENAL_OBJS OpenAL32/alAuxEffectSlot.c
OpenAL32/alBuffer.c
OpenAL32/alDatabuffer.c
OpenAL32/alEffect.c
OpenAL32/alError.c
OpenAL32/alExtension.c
OpenAL32/alFilter.c
OpenAL32/alListener.c
OpenAL32/alSource.c
OpenAL32/alState.c
OpenAL32/alThunk.c
)
SET(ALC_OBJS Alc/ALc.c
Alc/ALu.c
Alc/alcConfig.c
Alc/alcEcho.c
Alc/alcModulator.c
Alc/alcReverb.c
Alc/alcRing.c
Alc/alcThread.c
Alc/bs2b.c
Alc/mixer.c
Alc/panning.c
Alc/null.c
)
SET(BACKENDS "")
SET(HAVE_ALSA 0)
SET(HAVE_OSS 0)
SET(HAVE_SOLARIS 0)
SET(HAVE_DSOUND 0)
SET(HAVE_WINMM 0)
SET(HAVE_PORTAUDIO 0)
SET(HAVE_PULSEAUDIO 0)
SET(HAVE_WAVE 0)
# Check ALSA backend
IF(ALSA)
CHECK_INCLUDE_FILE(alsa/asoundlib.h HAVE_ALSA_ASOUNDLIB_H)
IF(HAVE_ALSA_ASOUNDLIB_H)
CHECK_SHARED_LIBRARY_EXISTS(asound snd_pcm_open 4 "" HAVE_LIBASOUND)
IF(HAVE_LIBASOUND OR HAVE_DLFCN_H OR WIN32)
SET(HAVE_ALSA 1)
SET(ALC_OBJS ${ALC_OBJS} Alc/alsa.c)
IF(HAVE_DLFCN_H OR WIN32)
SET(BACKENDS "${BACKENDS} ALSA,")
ELSE()
SET(BACKENDS "${BACKENDS} ALSA \(linked\),")
SET(EXTRA_LIBS asound ${EXTRA_LIBS})
ENDIF()
ENDIF()
ENDIF()
ENDIF()
# Check OSS backend
IF(OSS)
CHECK_INCLUDE_FILE(sys/soundcard.h HAVE_SYS_SOUNDCARD_H)
IF(HAVE_SYS_SOUNDCARD_H)
SET(HAVE_OSS 1)
SET(ALC_OBJS ${ALC_OBJS} Alc/oss.c)
SET(BACKENDS "${BACKENDS} OSS,")
ENDIF()
ENDIF()
# Check Solaris backend
IF(SOLARIS)
CHECK_INCLUDE_FILE(sys/audioio.h HAVE_SYS_AUDIOIO_H)
IF(HAVE_SYS_AUDIOIO_H)
SET(HAVE_SOLARIS 1)
SET(ALC_OBJS ${ALC_OBJS} Alc/solaris.c)
SET(BACKENDS "${BACKENDS} Solaris,")
ENDIF()
ENDIF()
# Check DSound/MMSystem backend
IF(DSOUND)
CHECK_INCLUDE_FILE(dsound.h HAVE_DSOUND_H)
IF(HAVE_DSOUND_H)
CHECK_SHARED_LIBRARY_EXISTS(dsound DirectSoundCreate 3 "" HAVE_LIBDSOUND)
IF(HAVE_LIBDSOUND OR HAVE_DLFCN_H OR WIN32)
SET(HAVE_DSOUND 1)
SET(ALC_OBJS ${ALC_OBJS} Alc/dsound.c)
IF(HAVE_DLFCN_H OR WIN32)
SET(BACKENDS "${BACKENDS} DirectSound,")
ELSE()
SET(BACKENDS "${BACKENDS} DirectSound \(linked\),")
SET(EXTRA_LIBS dsound ${EXTRA_LIBS})
ENDIF()
ENDIF()
ENDIF()
ENDIF()
IF(HAVE_WINDOWS_H)
IF(WINMM)
CHECK_INCLUDE_FILES("windows.h;mmsystem.h" HAVE_MMSYSTEM_H -D_WIN32_WINNT=0x0500)
IF(HAVE_MMSYSTEM_H AND HAVE_LIBWINMM)
SET(HAVE_WINMM 1)
SET(ALC_OBJS ${ALC_OBJS} Alc/winmm.c)
SET(BACKENDS "${BACKENDS} WinMM,")
ENDIF()
ENDIF()
ENDIF()
# Check PortAudio backend
IF(PORTAUDIO)
CHECK_INCLUDE_FILE(portaudio.h HAVE_PORTAUDIO_H)
IF(HAVE_PORTAUDIO_H)
CHECK_SHARED_LIBRARY_EXISTS(portaudio Pa_Initialize 0 "" HAVE_LIBPORTAUDIO)
IF(HAVE_LIBPORTAUDIO OR HAVE_DLFCN_H OR WIN32)
SET(HAVE_PORTAUDIO 1)
SET(ALC_OBJS ${ALC_OBJS} Alc/portaudio.c)
IF(HAVE_DLFCN_H OR WIN32)
SET(BACKENDS "${BACKENDS} PortAudio,")
ELSE()
SET(BACKENDS "${BACKENDS} PortAudio \(linked\),")
SET(EXTRA_LIBS portaudio ${EXTRA_LIBS})
ENDIF()
ENDIF()
ENDIF()
ENDIF()
# Check PortAudio backend
IF(PULSEAUDIO)
CHECK_INCLUDE_FILE(pulse/pulseaudio.h HAVE_PULSE_PULSEAUDIO_H)
IF(HAVE_PULSE_PULSEAUDIO_H)
CHECK_SHARED_LIBRARY_EXISTS(pulse pa_context_new 2 "" HAVE_LIBPULSE)
IF(HAVE_LIBPULSE OR HAVE_DLFCN_H OR WIN32)
SET(HAVE_PULSEAUDIO 1)
SET(ALC_OBJS ${ALC_OBJS} Alc/pulseaudio.c)
IF(HAVE_DLFCN_H OR WIN32)
SET(BACKENDS "${BACKENDS} PulseAudio,")
ELSE()
SET(BACKENDS "${BACKENDS} PulseAudio \(linked\),")
SET(EXTRA_LIBS pulse ${EXTRA_LIBS})
ENDIF()
ENDIF()
ENDIF()
ENDIF()
# Optionally enable the Wave Writer backend
IF(WAVE)
SET(HAVE_WAVE 1)
SET(ALC_OBJS ${ALC_OBJS} Alc/wave.c)
SET(BACKENDS "${BACKENDS} WaveFile,")
ENDIF()
# This is always available
SET(BACKENDS "${BACKENDS} Null")
IF(LIBTYPE STREQUAL "STATIC")
ADD_DEFINITIONS(-DAL_LIBTYPE_STATIC)
SET(PKG_CONFIG_CFLAGS -DAL_LIBTYPE_STATIC ${PKG_CONFIG_CFLAGS})
ENDIF()
# Needed for openal.pc.in
SET(prefix ${CMAKE_INSTALL_PREFIX})
SET(exec_prefix "\${prefix}")
SET(libdir "\${exec_prefix}/lib${LIB_SUFFIX}")
SET(bindir "\${exec_prefix}/bin")
SET(includedir "\${prefix}/include")
SET(PACKAGE_VERSION "${LIB_VERSION}")
# End configuration
CONFIGURE_FILE(
"${OpenAL_SOURCE_DIR}/config.h.in"
"${OpenAL_BINARY_DIR}/config.h")
CONFIGURE_FILE(
"${OpenAL_SOURCE_DIR}/openal.pc.in"
"${OpenAL_BINARY_DIR}/openal.pc"
@ONLY)
# Build a library
ADD_LIBRARY(${LIBNAME} ${LIBTYPE} ${OPENAL_OBJS} ${ALC_OBJS})
SET_TARGET_PROPERTIES(${LIBNAME} PROPERTIES DEFINE_SYMBOL AL_BUILD_LIBRARY
COMPILE_FLAGS -DAL_ALEXT_PROTOTYPES
VERSION ${LIB_VERSION}.0
SOVERSION ${LIB_MAJOR_VERSION})
IF(WIN32 AND NOT LIBTYPE STREQUAL "STATIC")
SET_TARGET_PROPERTIES(${LIBNAME} PROPERTIES PREFIX "")
ENDIF()
TARGET_LINK_LIBRARIES(${LIBNAME} ${EXTRA_LIBS})
# Add an install target here
INSTALL(TARGETS ${LIBNAME}
RUNTIME DESTINATION bin
LIBRARY DESTINATION "lib${LIB_SUFFIX}"
ARCHIVE DESTINATION "lib${LIB_SUFFIX}"
)
INSTALL(FILES include/AL/al.h
include/AL/alc.h
include/AL/alext.h
include/AL/efx.h
include/AL/efx-creative.h
DESTINATION include/AL
)
INSTALL(FILES "${OpenAL_BINARY_DIR}/openal.pc"
DESTINATION "lib${LIB_SUFFIX}/pkgconfig")
MESSAGE(STATUS "")
MESSAGE(STATUS "Building OpenAL with support for the following backends:")
MESSAGE(STATUS " ${BACKENDS}")
MESSAGE(STATUS "")
IF(WIN32)
IF(NOT HAVE_DSOUND)
MESSAGE(STATUS "WARNING: Building the Windows version without DirectSound output")
MESSAGE(STATUS " This is probably NOT what you want!")
MESSAGE(STATUS "")
ENDIF()
ENDIF()
# Install alsoft.conf configuration file
IF(ALSOFT_CONFIG)
INSTALL(FILES alsoftrc.sample
DESTINATION /etc/openal
RENAME alsoft.conf
)
MESSAGE(STATUS "Installing sample alsoft.conf")
MESSAGE(STATUS "")
ENDIF()
IF(UTILS)
ADD_EXECUTABLE(openal-info utils/openal-info.c)
TARGET_LINK_LIBRARIES(openal-info ${LIBNAME})
INSTALL(TARGETS openal-info
RUNTIME DESTINATION bin
LIBRARY DESTINATION "lib${LIB_SUFFIX}"
ARCHIVE DESTINATION "lib${LIB_SUFFIX}"
)
MESSAGE(STATUS "Building utility programs")
MESSAGE(STATUS "")
ENDIF()

484
COPYING Normal file
View File

@ -0,0 +1,484 @@
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school, if any, to sign a "copyright disclaimer" for the library, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the
library `Frob' (a library for tweaking knobs) written by James Random Hacker.
<signature of Ty Coon>, 1 April 1990
Ty Coon, President of Vice
That's all there is to it!

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#ifndef _AL_AUXEFFECTSLOT_H_
#define _AL_AUXEFFECTSLOT_H_
#include "AL/al.h"
#include "alEffect.h"
#include "alFilter.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct ALeffectState ALeffectState;
typedef struct ALeffectslot
{
ALeffect effect;
ALfloat Gain;
ALboolean AuxSendAuto;
ALeffectState *EffectState;
ALfloat WetBuffer[BUFFERSIZE];
ALfloat ClickRemoval[1];
ALfloat PendingClicks[1];
ALuint refcount;
// Index to itself
ALuint effectslot;
struct ALeffectslot *next;
} ALeffectslot;
ALvoid ReleaseALAuxiliaryEffectSlots(ALCcontext *Context);
struct ALeffectState {
ALvoid (*Destroy)(ALeffectState *State);
ALboolean (*DeviceUpdate)(ALeffectState *State, ALCdevice *Device);
ALvoid (*Update)(ALeffectState *State, ALCcontext *Context, const ALeffect *Effect);
ALvoid (*Process)(ALeffectState *State, const ALeffectslot *Slot, ALuint SamplesToDo, const ALfloat *SamplesIn, ALfloat (*SamplesOut)[MAXCHANNELS]);
};
ALeffectState *NoneCreate(void);
ALeffectState *EAXVerbCreate(void);
ALeffectState *VerbCreate(void);
ALeffectState *EchoCreate(void);
ALeffectState *ModulatorCreate(void);
#define ALEffect_Destroy(a) ((a)->Destroy((a)))
#define ALEffect_DeviceUpdate(a,b) ((a)->DeviceUpdate((a),(b)))
#define ALEffect_Update(a,b,c) ((a)->Update((a),(b),(c)))
#define ALEffect_Process(a,b,c,d,e) ((a)->Process((a),(b),(c),(d),(e)))
#ifdef __cplusplus
}
#endif
#endif

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#ifndef _AL_BUFFER_H_
#define _AL_BUFFER_H_
#include "AL/al.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Input formats (some are currently theoretical) */
enum UserFmtType {
UserFmtByte, /* AL_BYTE */
UserFmtUByte, /* AL_UNSIGNED_BYTE */
UserFmtShort, /* AL_SHORT */
UserFmtUShort, /* AL_UNSIGNED_SHORT */
UserFmtInt, /* AL_INT */
UserFmtUInt, /* AL_UNSIGNED_INT */
UserFmtFloat, /* AL_FLOAT */
UserFmtDouble, /* AL_DOUBLE */
UserFmtMulaw, /* AL_MULAW */
UserFmtIMA4, /* AL_IMA4 */
};
enum UserFmtChannels {
UserFmtMono, /* AL_MONO */
UserFmtStereo, /* AL_STEREO */
UserFmtRear, /* AL_REAR */
UserFmtQuad, /* AL_QUAD */
UserFmtX51, /* AL_5POINT1 (WFX order) */
UserFmtX61, /* AL_6POINT1 (WFX order) */
UserFmtX71, /* AL_7POINT1 (WFX order) */
};
ALboolean DecomposeUserFormat(ALenum format, enum UserFmtChannels *chans,
enum UserFmtType *type);
ALuint BytesFromUserFmt(enum UserFmtType type);
ALuint ChannelsFromUserFmt(enum UserFmtChannels chans);
static __inline ALuint FrameSizeFromUserFmt(enum UserFmtChannels chans,
enum UserFmtType type)
{
return ChannelsFromUserFmt(chans) * BytesFromUserFmt(type);
}
/* Storable formats */
enum FmtType {
FmtUByte = UserFmtUByte,
FmtShort = UserFmtShort,
FmtFloat = UserFmtFloat,
};
enum FmtChannels {
FmtMono = UserFmtMono,
FmtStereo = UserFmtStereo,
FmtRear = UserFmtRear,
FmtQuad = UserFmtQuad,
FmtX51 = UserFmtX51,
FmtX61 = UserFmtX61,
FmtX71 = UserFmtX71,
};
ALboolean DecomposeFormat(ALenum format, enum FmtChannels *chans, enum FmtType *type);
ALuint BytesFromFmt(enum FmtType type);
ALuint ChannelsFromFmt(enum FmtChannels chans);
static __inline ALuint FrameSizeFromFmt(enum FmtChannels chans, enum FmtType type)
{
return ChannelsFromFmt(chans) * BytesFromFmt(type);
}
typedef struct ALbuffer
{
ALvoid *data;
ALsizei size;
ALsizei Frequency;
enum FmtChannels FmtChannels;
enum FmtType FmtType;
enum UserFmtChannels OriginalChannels;
enum UserFmtType OriginalType;
ALsizei OriginalSize;
ALsizei OriginalAlign;
ALsizei LoopStart;
ALsizei LoopEnd;
ALuint refcount; // Number of sources using this buffer (deletion can only occur when this is 0)
// Index to itself
ALuint buffer;
} ALbuffer;
ALvoid ReleaseALBuffers(ALCdevice *device);
#ifdef __cplusplus
}
#endif
#endif

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#ifndef _AL_DATABUFFER_H_
#define _AL_DATABUFFER_H_
#include "AL/al.h"
#ifdef __cplusplus
extern "C" {
#endif
#define UNMAPPED 0
#define MAPPED 1
typedef struct ALdatabuffer
{
ALubyte *data;
ALintptrEXT size;
ALenum state;
ALenum usage;
/* Index to self */
ALuint databuffer;
struct ALdatabuffer *next;
} ALdatabuffer;
ALvoid ReleaseALDatabuffers(ALCdevice *device);
#ifdef __cplusplus
}
#endif
#endif

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// NOTE: The effect structure is getting too large, it may be a good idea to
// start using a union or another form of unified storage.
#ifndef _AL_EFFECT_H_
#define _AL_EFFECT_H_
#include "AL/al.h"
#ifdef __cplusplus
extern "C" {
#endif
enum {
EAXREVERB = 0,
REVERB,
ECHO,
MODULATOR,
MAX_EFFECTS
};
extern ALboolean DisabledEffects[MAX_EFFECTS];
typedef struct ALeffect
{
// Effect type (AL_EFFECT_NULL, ...)
ALenum type;
struct {
// Shared Reverb Properties
ALfloat Density;
ALfloat Diffusion;
ALfloat Gain;
ALfloat GainHF;
ALfloat DecayTime;
ALfloat DecayHFRatio;
ALfloat ReflectionsGain;
ALfloat ReflectionsDelay;
ALfloat LateReverbGain;
ALfloat LateReverbDelay;
ALfloat AirAbsorptionGainHF;
ALfloat RoomRolloffFactor;
ALboolean DecayHFLimit;
// Additional EAX Reverb Properties
ALfloat GainLF;
ALfloat DecayLFRatio;
ALfloat ReflectionsPan[3];
ALfloat LateReverbPan[3];
ALfloat EchoTime;
ALfloat EchoDepth;
ALfloat ModulationTime;
ALfloat ModulationDepth;
ALfloat HFReference;
ALfloat LFReference;
} Reverb;
struct {
ALfloat Delay;
ALfloat LRDelay;
ALfloat Damping;
ALfloat Feedback;
ALfloat Spread;
} Echo;
struct {
ALfloat Frequency;
ALfloat HighPassCutoff;
ALint Waveform;
} Modulator;
// Index to itself
ALuint effect;
} ALeffect;
ALvoid ReleaseALEffects(ALCdevice *device);
#ifdef __cplusplus
}
#endif
#endif

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#ifndef _AL_ERROR_H_
#define _AL_ERROR_H_
#include "AL/al.h"
#include "AL/alc.h"
#ifdef __cplusplus
extern "C" {
#endif
ALvoid alSetError(ALCcontext *Context, ALenum errorCode);
#ifdef __cplusplus
}
#endif
#endif

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#ifndef _AL_FILTER_H_
#define _AL_FILTER_H_
#include "AL/al.h"
#include "alu.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
ALfloat coeff;
#ifndef _MSC_VER
ALfloat history[0];
#else
ALfloat history[1];
#endif
} FILTER;
static __inline ALfloat lpFilter4P(FILTER *iir, ALuint offset, ALfloat input)
{
ALfloat *history = &iir->history[offset];
ALfloat a = iir->coeff;
ALfloat output = input;
output = output + (history[0]-output)*a;
history[0] = output;
output = output + (history[1]-output)*a;
history[1] = output;
output = output + (history[2]-output)*a;
history[2] = output;
output = output + (history[3]-output)*a;
history[3] = output;
return output;
}
static __inline ALfloat lpFilter2P(FILTER *iir, ALuint offset, ALfloat input)
{
ALfloat *history = &iir->history[offset];
ALfloat a = iir->coeff;
ALfloat output = input;
output = output + (history[0]-output)*a;
history[0] = output;
output = output + (history[1]-output)*a;
history[1] = output;
return output;
}
static __inline ALfloat lpFilter1P(FILTER *iir, ALuint offset, ALfloat input)
{
ALfloat *history = &iir->history[offset];
ALfloat a = iir->coeff;
ALfloat output = input;
output = output + (history[0]-output)*a;
history[0] = output;
return output;
}
static __inline ALfloat lpFilter4PC(const FILTER *iir, ALuint offset, ALfloat input)
{
const ALfloat *history = &iir->history[offset];
ALfloat a = iir->coeff;
ALfloat output = input;
output = output + (history[0]-output)*a;
output = output + (history[1]-output)*a;
output = output + (history[2]-output)*a;
output = output + (history[3]-output)*a;
return output;
}
static __inline ALfloat lpFilter2PC(const FILTER *iir, ALuint offset, ALfloat input)
{
const ALfloat *history = &iir->history[offset];
ALfloat a = iir->coeff;
ALfloat output = input;
output = output + (history[0]-output)*a;
output = output + (history[1]-output)*a;
return output;
}
static __inline ALfloat lpFilter1PC(FILTER *iir, ALuint offset, ALfloat input)
{
const ALfloat *history = &iir->history[offset];
ALfloat a = iir->coeff;
ALfloat output = input;
output = output + (history[0]-output)*a;
return output;
}
/* Calculates the low-pass filter coefficient given the pre-scaled gain and
* cos(w) value. Note that g should be pre-scaled (sqr(gain) for one-pole,
* sqrt(gain) for four-pole, etc) */
static __inline ALfloat lpCoeffCalc(ALfloat g, ALfloat cw)
{
ALfloat a = 0.0f;
/* Be careful with gains < 0.01, as that causes the coefficient
* head towards 1, which will flatten the signal */
g = __max(g, 0.01f);
if(g < 0.9999f) /* 1-epsilon */
a = (1 - g*cw - aluSqrt(2*g*(1-cw) - g*g*(1 - cw*cw))) /
(1 - g);
return a;
}
typedef struct ALfilter
{
// Filter type (AL_FILTER_NULL, ...)
ALenum type;
ALfloat Gain;
ALfloat GainHF;
// Index to itself
ALuint filter;
} ALfilter;
ALvoid ReleaseALFilters(ALCdevice *device);
#ifdef __cplusplus
}
#endif
#endif

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#ifndef _AL_LISTENER_H_
#define _AL_LISTENER_H_
#include "AL/al.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct ALlistener_struct
{
ALfloat Position[3];
ALfloat Velocity[3];
ALfloat Forward[3];
ALfloat Up[3];
ALfloat Gain;
ALfloat MetersPerUnit;
} ALlistener;
#ifdef __cplusplus
}
#endif
#endif

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#ifndef AL_MAIN_H
#define AL_MAIN_H
#include <string.h>
#include <stdio.h>
#include <stdarg.h>
#ifdef HAVE_FENV_H
#include <fenv.h>
#endif
#include "AL/al.h"
#include "AL/alc.h"
#include "AL/alext.h"
#ifndef AL_EXT_sample_buffer_object
#define AL_EXT_sample_buffer_object 1
typedef ptrdiff_t ALintptrEXT;
typedef ptrdiff_t ALsizeiptrEXT;
#define AL_SAMPLE_SOURCE_EXT 0x1040
#define AL_SAMPLE_SINK_EXT 0x1041
#define AL_READ_ONLY_EXT 0x1042
#define AL_WRITE_ONLY_EXT 0x1043
#define AL_READ_WRITE_EXT 0x1044
#define AL_STREAM_WRITE_EXT 0x1045
#define AL_STREAM_READ_EXT 0x1046
#define AL_STREAM_COPY_EXT 0x1047
#define AL_STATIC_WRITE_EXT 0x1048
#define AL_STATIC_READ_EXT 0x1049
#define AL_STATIC_COPY_EXT 0x104A
#define AL_DYNAMIC_WRITE_EXT 0x104B
#define AL_DYNAMIC_READ_EXT 0x104C
#define AL_DYNAMIC_COPY_EXT 0x104D
typedef ALvoid (AL_APIENTRY*PFNALGENDATABUFFERSEXTPROC)(ALsizei n,ALuint *puiBuffers);
typedef ALvoid (AL_APIENTRY*PFNALDELETEDATABUFFERSEXTPROC)(ALsizei n, const ALuint *puiBuffers);
typedef ALboolean (AL_APIENTRY*PFNALISDATABUFFEREXTPROC)(ALuint uiBuffer);
typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERDATAEXTPROC)(ALuint buffer,const ALvoid *data,ALsizeiptrEXT size,ALenum usage);
typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERSUBDATAEXTPROC)(ALuint buffer, ALintptrEXT start, ALsizeiptrEXT length, const ALvoid *);
typedef ALvoid (AL_APIENTRY*PFNALGETDATABUFFERSUBDATAEXTPROC)(ALuint buffer, ALintptrEXT start, ALsizeiptrEXT length, ALvoid *);
typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERFEXTPROC)(ALuint buffer, ALenum eParam, ALfloat flValue);
typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERFVEXTPROC)(ALuint buffer, ALenum eParam, const ALfloat* flValues);
typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERIEXTPROC)(ALuint buffer, ALenum eParam, ALint lValue);
typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERIVEXTPROC)(ALuint buffer, ALenum eParam, const ALint* plValues);
typedef ALvoid (AL_APIENTRY*PFNALGETDATABUFFERFEXTPROC)(ALuint buffer, ALenum eParam, ALfloat *pflValue);
typedef ALvoid (AL_APIENTRY*PFNALGETDATABUFFERFVEXTPROC)(ALuint buffer, ALenum eParam, ALfloat* pflValues);
typedef ALvoid (AL_APIENTRY*PFNALGETDATABUFFERIEXTPROC)(ALuint buffer, ALenum eParam, ALint *plValue);
typedef ALvoid (AL_APIENTRY*PFNALGETDATABUFFERIVEXTPROC)(ALuint buffer, ALenum eParam, ALint* plValues);
typedef ALvoid (AL_APIENTRY*PFNALSELECTDATABUFFEREXTPROC)(ALenum target, ALuint uiBuffer);
typedef ALvoid* (AL_APIENTRY*PFNALMAPDATABUFFEREXTPROC)(ALuint uiBuffer, ALintptrEXT start, ALsizeiptrEXT length, ALenum access);
typedef ALvoid (AL_APIENTRY*PFNALUNMAPDATABUFFEREXTPROC)(ALuint uiBuffer);
#ifdef AL_ALEXT_PROTOTYPES
AL_API ALvoid AL_APIENTRY alGenDatabuffersEXT(ALsizei n,ALuint *puiBuffers);
AL_API ALvoid AL_APIENTRY alDeleteDatabuffersEXT(ALsizei n, const ALuint *puiBuffers);
AL_API ALboolean AL_APIENTRY alIsDatabufferEXT(ALuint uiBuffer);
AL_API ALvoid AL_APIENTRY alDatabufferDataEXT(ALuint buffer,const ALvoid *data,ALsizeiptrEXT size,ALenum usage);
AL_API ALvoid AL_APIENTRY alDatabufferSubDataEXT(ALuint buffer, ALintptrEXT start, ALsizeiptrEXT length, const ALvoid *data);
AL_API ALvoid AL_APIENTRY alGetDatabufferSubDataEXT(ALuint buffer, ALintptrEXT start, ALsizeiptrEXT length, ALvoid *data);
AL_API ALvoid AL_APIENTRY alDatabufferfEXT(ALuint buffer, ALenum eParam, ALfloat flValue);
AL_API ALvoid AL_APIENTRY alDatabufferfvEXT(ALuint buffer, ALenum eParam, const ALfloat* flValues);
AL_API ALvoid AL_APIENTRY alDatabufferiEXT(ALuint buffer, ALenum eParam, ALint lValue);
AL_API ALvoid AL_APIENTRY alDatabufferivEXT(ALuint buffer, ALenum eParam, const ALint* plValues);
AL_API ALvoid AL_APIENTRY alGetDatabufferfEXT(ALuint buffer, ALenum eParam, ALfloat *pflValue);
AL_API ALvoid AL_APIENTRY alGetDatabufferfvEXT(ALuint buffer, ALenum eParam, ALfloat* pflValues);
AL_API ALvoid AL_APIENTRY alGetDatabufferiEXT(ALuint buffer, ALenum eParam, ALint *plValue);
AL_API ALvoid AL_APIENTRY alGetDatabufferivEXT(ALuint buffer, ALenum eParam, ALint* plValues);
AL_API ALvoid AL_APIENTRY alSelectDatabufferEXT(ALenum target, ALuint uiBuffer);
AL_API ALvoid* AL_APIENTRY alMapDatabufferEXT(ALuint uiBuffer, ALintptrEXT start, ALsizeiptrEXT length, ALenum access);
AL_API ALvoid AL_APIENTRY alUnmapDatabufferEXT(ALuint uiBuffer);
#endif
#endif
#if defined(HAVE_STDINT_H)
#include <stdint.h>
typedef int64_t ALint64;
typedef uint64_t ALuint64;
#elif defined(HAVE___INT64)
typedef __int64 ALint64;
typedef unsigned __int64 ALuint64;
#elif (SIZEOF_LONG == 8)
typedef long ALint64;
typedef unsigned long ALuint64;
#elif (SIZEOF_LONG_LONG == 8)
typedef long long ALint64;
typedef unsigned long long ALuint64;
#endif
#ifdef HAVE_GCC_FORMAT
#define PRINTF_STYLE(x, y) __attribute__((format(printf, (x), (y))))
#else
#define PRINTF_STYLE(x, y)
#endif
#ifdef _WIN32
#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x0500
#endif
#include <windows.h>
typedef DWORD tls_type;
#define tls_create(x) (*(x) = TlsAlloc())
#define tls_delete(x) TlsFree((x))
#define tls_get(x) TlsGetValue((x))
#define tls_set(x, a) TlsSetValue((x), (a))
#else
#include <unistd.h>
#include <assert.h>
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
#include <sys/time.h>
#include <time.h>
#include <errno.h>
#define IsBadWritePtr(a,b) ((a) == NULL && (b) != 0)
typedef pthread_key_t tls_type;
#define tls_create(x) pthread_key_create((x), NULL)
#define tls_delete(x) pthread_key_delete((x))
#define tls_get(x) pthread_getspecific((x))
#define tls_set(x, a) pthread_setspecific((x), (a))
typedef pthread_mutex_t CRITICAL_SECTION;
static __inline void EnterCriticalSection(CRITICAL_SECTION *cs)
{
int ret;
ret = pthread_mutex_lock(cs);
assert(ret == 0);
}
static __inline void LeaveCriticalSection(CRITICAL_SECTION *cs)
{
int ret;
ret = pthread_mutex_unlock(cs);
assert(ret == 0);
}
static __inline void InitializeCriticalSection(CRITICAL_SECTION *cs)
{
pthread_mutexattr_t attrib;
int ret;
ret = pthread_mutexattr_init(&attrib);
assert(ret == 0);
ret = pthread_mutexattr_settype(&attrib, PTHREAD_MUTEX_RECURSIVE);
#ifdef HAVE_PTHREAD_NP_H
if(ret != 0)
ret = pthread_mutexattr_setkind_np(&attrib, PTHREAD_MUTEX_RECURSIVE);
#endif
assert(ret == 0);
ret = pthread_mutex_init(cs, &attrib);
assert(ret == 0);
pthread_mutexattr_destroy(&attrib);
}
static __inline void DeleteCriticalSection(CRITICAL_SECTION *cs)
{
int ret;
ret = pthread_mutex_destroy(cs);
assert(ret == 0);
}
/* NOTE: This wrapper isn't quite accurate as it returns an ALuint, as opposed
* to the expected DWORD. Both are defined as unsigned 32-bit types, however.
* Additionally, Win32 is supposed to measure the time since Windows started,
* as opposed to the actual time. */
static __inline ALuint timeGetTime(void)
{
#if _POSIX_TIMERS > 0
struct timespec ts;
int ret = -1;
#if defined(_POSIX_MONOTONIC_CLOCK) && (_POSIX_MONOTONIC_CLOCK >= 0)
#if _POSIX_MONOTONIC_CLOCK == 0
static int hasmono = 0;
if(hasmono > 0 || (hasmono == 0 &&
(hasmono=sysconf(_SC_MONOTONIC_CLOCK)) > 0))
#endif
ret = clock_gettime(CLOCK_MONOTONIC, &ts);
#endif
if(ret != 0)
ret = clock_gettime(CLOCK_REALTIME, &ts);
assert(ret == 0);
return ts.tv_nsec/1000000 + ts.tv_sec*1000;
#else
struct timeval tv;
int ret;
ret = gettimeofday(&tv, NULL);
assert(ret == 0);
return tv.tv_usec/1000 + tv.tv_sec*1000;
#endif
}
static __inline void Sleep(ALuint t)
{
struct timespec tv, rem;
tv.tv_nsec = (t*1000000)%1000000000;
tv.tv_sec = t/1000;
while(nanosleep(&tv, &rem) == -1 && errno == EINTR)
tv = rem;
}
#define min(x,y) (((x)<(y))?(x):(y))
#define max(x,y) (((x)>(y))?(x):(y))
#endif
#include "alListener.h"
#include "alu.h"
#ifdef __cplusplus
extern "C" {
#endif
#define SWMIXER_OUTPUT_RATE 44100
#define SPEEDOFSOUNDMETRESPERSEC (343.3f)
#define AIRABSORBGAINDBHF (-0.05f)
#define LOWPASSFREQCUTOFF (5000)
#define DEFAULT_HEAD_DAMPEN (0.25f)
// Find the next power-of-2 for non-power-of-2 numbers.
static __inline ALuint NextPowerOf2(ALuint value)
{
ALuint powerOf2 = 1;
if(value)
{
value--;
while(value)
{
value >>= 1;
powerOf2 <<= 1;
}
}
return powerOf2;
}
typedef struct {
ALCboolean (*OpenPlayback)(ALCdevice*, const ALCchar*);
void (*ClosePlayback)(ALCdevice*);
ALCboolean (*ResetPlayback)(ALCdevice*);
void (*StopPlayback)(ALCdevice*);
ALCboolean (*OpenCapture)(ALCdevice*, const ALCchar*);
void (*CloseCapture)(ALCdevice*);
void (*StartCapture)(ALCdevice*);
void (*StopCapture)(ALCdevice*);
void (*CaptureSamples)(ALCdevice*, void*, ALCuint);
ALCuint (*AvailableSamples)(ALCdevice*);
} BackendFuncs;
enum {
DEVICE_PROBE,
ALL_DEVICE_PROBE,
CAPTURE_DEVICE_PROBE
};
void alc_alsa_init(BackendFuncs *func_list);
void alc_alsa_deinit(void);
void alc_alsa_probe(int type);
void alc_oss_init(BackendFuncs *func_list);
void alc_oss_deinit(void);
void alc_oss_probe(int type);
void alc_solaris_init(BackendFuncs *func_list);
void alc_solaris_deinit(void);
void alc_solaris_probe(int type);
void alcDSoundInit(BackendFuncs *func_list);
void alcDSoundDeinit(void);
void alcDSoundProbe(int type);
void alcWinMMInit(BackendFuncs *FuncList);
void alcWinMMDeinit(void);
void alcWinMMProbe(int type);
void alc_pa_init(BackendFuncs *func_list);
void alc_pa_deinit(void);
void alc_pa_probe(int type);
void alc_wave_init(BackendFuncs *func_list);
void alc_wave_deinit(void);
void alc_wave_probe(int type);
void alc_pulse_init(BackendFuncs *func_list);
void alc_pulse_deinit(void);
void alc_pulse_probe(int type);
void alc_null_init(BackendFuncs *func_list);
void alc_null_deinit(void);
void alc_null_probe(int type);
typedef struct UIntMap {
struct {
ALuint key;
ALvoid *value;
} *array;
ALsizei size;
ALsizei maxsize;
} UIntMap;
void InitUIntMap(UIntMap *map);
void ResetUIntMap(UIntMap *map);
ALenum InsertUIntMapEntry(UIntMap *map, ALuint key, ALvoid *value);
void RemoveUIntMapKey(UIntMap *map, ALuint key);
ALvoid *LookupUIntMapKey(UIntMap *map, ALuint key);
/* Device formats */
enum DevFmtType {
DevFmtByte, /* AL_BYTE */
DevFmtUByte, /* AL_UNSIGNED_BYTE */
DevFmtShort, /* AL_SHORT */
DevFmtUShort, /* AL_UNSIGNED_SHORT */
DevFmtFloat, /* AL_FLOAT */
};
enum DevFmtChannels {
DevFmtMono, /* AL_MONO */
DevFmtStereo, /* AL_STEREO */
DevFmtQuad, /* AL_QUAD */
DevFmtX51, /* AL_5POINT1 */
DevFmtX61, /* AL_6POINT1 */
DevFmtX71, /* AL_7POINT1 */
};
ALuint BytesFromDevFmt(enum DevFmtType type);
ALuint ChannelsFromDevFmt(enum DevFmtChannels chans);
static __inline ALuint FrameSizeFromDevFmt(enum DevFmtChannels chans,
enum DevFmtType type)
{
return ChannelsFromDevFmt(chans) * BytesFromDevFmt(type);
}
struct ALCdevice_struct
{
ALCboolean Connected;
ALboolean IsCaptureDevice;
ALuint Frequency;
ALuint UpdateSize;
ALuint NumUpdates;
enum DevFmtChannels FmtChans;
enum DevFmtType FmtType;
ALCchar *szDeviceName;
ALCenum LastError;
// Maximum number of sources that can be created
ALuint MaxNoOfSources;
// Maximum number of slots that can be created
ALuint AuxiliaryEffectSlotMax;
ALCuint NumMonoSources;
ALCuint NumStereoSources;
ALuint NumAuxSends;
// Map of Buffers for this device
UIntMap BufferMap;
// Map of Effects for this device
UIntMap EffectMap;
// Map of Filters for this device
UIntMap FilterMap;
// Map of Databuffers for this device
UIntMap DatabufferMap;
// Stereo-to-binaural filter
struct bs2b *Bs2b;
ALCint Bs2bLevel;
// Simulated dampening from head occlusion
ALfloat HeadDampen;
// Duplicate stereo sources on the side/rear channels
ALboolean DuplicateStereo;
// Dry path buffer mix
ALfloat DryBuffer[BUFFERSIZE][MAXCHANNELS];
ALuint DevChannels[MAXCHANNELS];
ALfloat ChannelMatrix[MAXCHANNELS][MAXCHANNELS];
Channel Speaker2Chan[MAXCHANNELS];
ALfloat PanningLUT[MAXCHANNELS * LUT_NUM];
ALuint NumChan;
ALfloat ClickRemoval[MAXCHANNELS];
ALfloat PendingClicks[MAXCHANNELS];
// Contexts created on this device
ALCcontext **Contexts;
ALuint NumContexts;
BackendFuncs *Funcs;
void *ExtraData; // For the backend's use
ALCdevice *next;
};
#define ALCdevice_OpenPlayback(a,b) ((a)->Funcs->OpenPlayback((a), (b)))
#define ALCdevice_ClosePlayback(a) ((a)->Funcs->ClosePlayback((a)))
#define ALCdevice_ResetPlayback(a) ((a)->Funcs->ResetPlayback((a)))
#define ALCdevice_StopPlayback(a) ((a)->Funcs->StopPlayback((a)))
#define ALCdevice_OpenCapture(a,b) ((a)->Funcs->OpenCapture((a), (b)))
#define ALCdevice_CloseCapture(a) ((a)->Funcs->CloseCapture((a)))
#define ALCdevice_StartCapture(a) ((a)->Funcs->StartCapture((a)))
#define ALCdevice_StopCapture(a) ((a)->Funcs->StopCapture((a)))
#define ALCdevice_CaptureSamples(a,b,c) ((a)->Funcs->CaptureSamples((a), (b), (c)))
#define ALCdevice_AvailableSamples(a) ((a)->Funcs->AvailableSamples((a)))
struct ALCcontext_struct
{
ALlistener Listener;
UIntMap SourceMap;
UIntMap EffectSlotMap;
struct ALdatabuffer *SampleSource;
struct ALdatabuffer *SampleSink;
ALenum LastError;
ALboolean Suspended;
ALenum DistanceModel;
ALboolean SourceDistanceModel;
ALfloat DopplerFactor;
ALfloat DopplerVelocity;
ALfloat flSpeedOfSound;
struct ALsource **ActiveSources;
ALsizei ActiveSourceCount;
ALsizei MaxActiveSources;
ALCdevice *Device;
const ALCchar *ExtensionList;
ALCcontext *next;
};
void AppendDeviceList(const ALCchar *name);
void AppendAllDeviceList(const ALCchar *name);
void AppendCaptureDeviceList(const ALCchar *name);
ALCvoid alcSetError(ALCdevice *device, ALenum errorCode);
ALCvoid SuspendContext(ALCcontext *context);
ALCvoid ProcessContext(ALCcontext *context);
ALvoid *StartThread(ALuint (*func)(ALvoid*), ALvoid *ptr);
ALuint StopThread(ALvoid *thread);
ALCcontext *GetContextSuspended(void);
typedef struct RingBuffer RingBuffer;
RingBuffer *CreateRingBuffer(ALsizei frame_size, ALsizei length);
void DestroyRingBuffer(RingBuffer *ring);
ALsizei RingBufferSize(RingBuffer *ring);
void WriteRingBuffer(RingBuffer *ring, const ALubyte *data, ALsizei len);
void ReadRingBuffer(RingBuffer *ring, ALubyte *data, ALsizei len);
void ReadALConfig(void);
void FreeALConfig(void);
int ConfigValueExists(const char *blockName, const char *keyName);
const char *GetConfigValue(const char *blockName, const char *keyName, const char *def);
int GetConfigValueInt(const char *blockName, const char *keyName, int def);
float GetConfigValueFloat(const char *blockName, const char *keyName, float def);
int GetConfigValueBool(const char *blockName, const char *keyName, int def);
void SetRTPriority(void);
void SetDefaultChannelOrder(ALCdevice *device);
void SetDefaultWFXChannelOrder(ALCdevice *device);
void al_print(const char *fname, unsigned int line, const char *fmt, ...)
PRINTF_STYLE(3,4);
#define AL_PRINT(...) al_print(__FILE__, __LINE__, __VA_ARGS__)
#ifdef __cplusplus
}
#endif
#endif

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#ifndef _AL_SOURCE_H_
#define _AL_SOURCE_H_
#define MAX_SENDS 4
#include "alFilter.h"
#include "alu.h"
#include "AL/al.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
POINT_RESAMPLER = 0,
LINEAR_RESAMPLER,
CUBIC_RESAMPLER,
RESAMPLER_MAX,
RESAMPLER_MIN = -1,
RESAMPLER_DEFAULT = LINEAR_RESAMPLER
} resampler_t;
extern resampler_t DefaultResampler;
extern const ALsizei ResamplerPadding[RESAMPLER_MAX];
extern const ALsizei ResamplerPrePadding[RESAMPLER_MAX];
typedef struct ALbufferlistitem
{
struct ALbuffer *buffer;
struct ALbufferlistitem *next;
struct ALbufferlistitem *prev;
} ALbufferlistitem;
typedef struct ALsource
{
ALfloat flPitch;
ALfloat flGain;
ALfloat flOuterGain;
ALfloat flMinGain;
ALfloat flMaxGain;
ALfloat flInnerAngle;
ALfloat flOuterAngle;
ALfloat flRefDistance;
ALfloat flMaxDistance;
ALfloat flRollOffFactor;
ALfloat vPosition[3];
ALfloat vVelocity[3];
ALfloat vOrientation[3];
ALboolean bHeadRelative;
ALboolean bLooping;
ALenum DistanceModel;
resampler_t Resampler;
ALenum state;
ALuint position;
ALuint position_fraction;
struct ALbuffer *Buffer;
ALbufferlistitem *queue; // Linked list of buffers in queue
ALuint BuffersInQueue; // Number of buffers in queue
ALuint BuffersPlayed; // Number of buffers played on this loop
ALfilter DirectFilter;
struct {
struct ALeffectslot *Slot;
ALfilter WetFilter;
} Send[MAX_SENDS];
ALboolean DryGainHFAuto;
ALboolean WetGainAuto;
ALboolean WetGainHFAuto;
ALfloat OuterGainHF;
ALfloat AirAbsorptionFactor;
ALfloat RoomRolloffFactor;
ALfloat DopplerFactor;
ALint lOffset;
ALint lOffsetType;
// Source Type (Static, Streaming, or Undetermined)
ALint lSourceType;
// Current target parameters used for mixing
ALboolean NeedsUpdate;
struct {
ALint Step;
/* A mixing matrix. First subscript is the channel number of the input
* data (regardless of channel configuration) and the second is the
* channel target (eg. FRONT_LEFT) */
ALfloat DryGains[MAXCHANNELS][MAXCHANNELS];
FILTER iirFilter;
ALfloat history[MAXCHANNELS*2];
struct {
ALfloat WetGain;
FILTER iirFilter;
ALfloat history[MAXCHANNELS];
} Send[MAX_SENDS];
} Params;
ALvoid (*Update)(struct ALsource *self, const ALCcontext *context);
// Index to itself
ALuint source;
} ALsource;
#define ALsource_Update(s,a) ((s)->Update(s,a))
ALvoid ReleaseALSources(ALCcontext *Context);
#ifdef __cplusplus
}
#endif
#endif

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#ifndef _AL_STATE_H_
#define _AL_STATE_H_
#include "AL/al.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __cplusplus
}
#endif
#endif

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#ifndef _AL_THUNK_H_
#define _AL_THUNK_H_
#include "config.h"
#include "AL/al.h"
#include "AL/alc.h"
#ifdef __cplusplus
extern "C" {
#endif
void alThunkInit(void);
void alThunkExit(void);
ALuint alThunkAddEntry(ALvoid *ptr);
void alThunkRemoveEntry(ALuint index);
ALvoid *alThunkLookupEntry(ALuint index);
#if (SIZEOF_VOIDP > SIZEOF_UINT)
#define ALTHUNK_INIT() alThunkInit()
#define ALTHUNK_EXIT() alThunkExit()
#define ALTHUNK_ADDENTRY(p) alThunkAddEntry(p)
#define ALTHUNK_REMOVEENTRY(i) alThunkRemoveEntry(i)
#define ALTHUNK_LOOKUPENTRY(i) alThunkLookupEntry(i)
#else
#define ALTHUNK_INIT()
#define ALTHUNK_EXIT()
#define ALTHUNK_ADDENTRY(p) ((ALuint)p)
#define ALTHUNK_REMOVEENTRY(i) ((ALvoid)i)
#define ALTHUNK_LOOKUPENTRY(i) ((ALvoid*)(i))
#endif // (SIZEOF_VOIDP > SIZEOF_INT)
#ifdef __cplusplus
}
#endif
#endif //_AL_THUNK_H_

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#ifndef _ALU_H_
#define _ALU_H_
#include "AL/al.h"
#include "AL/alc.h"
#include "AL/alext.h"
#include <limits.h>
#include <math.h>
#ifdef HAVE_FLOAT_H
#include <float.h>
#endif
#ifndef M_PI
#define M_PI 3.14159265358979323846 /* pi */
#define M_PI_2 1.57079632679489661923 /* pi/2 */
#endif
#ifdef HAVE_POWF
#define aluPow(x,y) ((ALfloat)powf((float)(x),(float)(y)))
#else
#define aluPow(x,y) ((ALfloat)pow((double)(x),(double)(y)))
#endif
#ifdef HAVE_SQRTF
#define aluSqrt(x) ((ALfloat)sqrtf((float)(x)))
#else
#define aluSqrt(x) ((ALfloat)sqrt((double)(x)))
#endif
#ifdef HAVE_ACOSF
#define aluAcos(x) ((ALfloat)acosf((float)(x)))
#else
#define aluAcos(x) ((ALfloat)acos((double)(x)))
#endif
#ifdef HAVE_ATANF
#define aluAtan(x) ((ALfloat)atanf((float)(x)))
#else
#define aluAtan(x) ((ALfloat)atan((double)(x)))
#endif
#ifdef HAVE_FABSF
#define aluFabs(x) ((ALfloat)fabsf((float)(x)))
#else
#define aluFabs(x) ((ALfloat)fabs((double)(x)))
#endif
// fixes for mingw32.
#if defined(max) && !defined(__max)
#define __max max
#endif
#if defined(min) && !defined(__min)
#define __min min
#endif
#define QUADRANT_NUM 128
#define LUT_NUM (4 * QUADRANT_NUM)
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
FRONT_LEFT = 0,
FRONT_RIGHT,
FRONT_CENTER,
LFE,
BACK_LEFT,
BACK_RIGHT,
BACK_CENTER,
SIDE_LEFT,
SIDE_RIGHT,
MAXCHANNELS
} Channel;
#define BUFFERSIZE 4096
#define FRACTIONBITS (14)
#define FRACTIONONE (1<<FRACTIONBITS)
#define FRACTIONMASK (FRACTIONONE-1)
/* Size for temporary stack storage of buffer data. Larger values need more
* stack, while smaller values may need more iterations. The value needs to be
* a sensible size, however, as it constrains the max stepping value used for
* mixing.
* The mixer requires being able to do two samplings per mixing loop. A 16KB
* buffer can hold 512 sample frames for a 7.1 float buffer. With the cubic
* resampler (which requires 3 padding sample frames), this limits the maximum
* step to about 508. This means that buffer_freq*source_pitch cannot exceed
* device_freq*508 for an 8-channel 32-bit buffer. */
#ifndef STACK_DATA_SIZE
#define STACK_DATA_SIZE 16384
#endif
static __inline ALdouble lerp(ALdouble val1, ALdouble val2, ALdouble mu)
{
return val1 + (val2-val1)*mu;
}
static __inline ALdouble cubic(ALdouble val0, ALdouble val1, ALdouble val2, ALdouble val3, ALdouble mu)
{
ALdouble mu2 = mu*mu;
ALdouble a0 = -0.5*val0 + 1.5*val1 + -1.5*val2 + 0.5*val3;
ALdouble a1 = val0 + -2.5*val1 + 2.0*val2 + -0.5*val3;
ALdouble a2 = -0.5*val0 + 0.5*val2;
ALdouble a3 = val1;
return a0*mu*mu2 + a1*mu2 + a2*mu + a3;
}
struct ALsource;
ALvoid aluInitPanning(ALCdevice *Device);
ALint aluCart2LUTpos(ALfloat re, ALfloat im);
ALvoid CalcSourceParams(struct ALsource *ALSource, const ALCcontext *ALContext);
ALvoid CalcNonAttnSourceParams(struct ALsource *ALSource, const ALCcontext *ALContext);
ALvoid MixSource(struct ALsource *Source, ALCdevice *Device, ALuint SamplesToDo);
ALvoid aluMixData(ALCdevice *device, ALvoid *buffer, ALsizei size);
ALvoid aluHandleDisconnect(ALCdevice *device);
#ifdef __cplusplus
}
#endif
#endif

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/*-
* Copyright (c) 2005 Boris Mikhaylov
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef BS2B_H
#define BS2B_H
/* Number of crossfeed levels */
#define BS2B_CLEVELS 3
/* Normal crossfeed levels */
#define BS2B_HIGH_CLEVEL 3
#define BS2B_MIDDLE_CLEVEL 2
#define BS2B_LOW_CLEVEL 1
/* Easy crossfeed levels */
#define BS2B_HIGH_ECLEVEL BS2B_HIGH_CLEVEL + BS2B_CLEVELS
#define BS2B_MIDDLE_ECLEVEL BS2B_MIDDLE_CLEVEL + BS2B_CLEVELS
#define BS2B_LOW_ECLEVEL BS2B_LOW_CLEVEL + BS2B_CLEVELS
/* Default crossfeed levels */
#define BS2B_DEFAULT_CLEVEL BS2B_HIGH_ECLEVEL
/* Default sample rate (Hz) */
#define BS2B_DEFAULT_SRATE 44100
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
struct bs2b {
int level; /* Crossfeed level */
int srate; /* Sample rate (Hz) */
/* Lowpass IIR filter coefficients */
double a0_lo;
double b1_lo;
/* Highboost IIR filter coefficients */
double a0_hi;
double a1_hi;
double b1_hi;
/* Global gain against overloading */
double gain;
/* Buffer of last filtered sample.
* [0] - first channel, [1] - second channel
*/
struct t_last_sample {
double asis[2];
double lo[2];
double hi[2];
} last_sample;
};
/* Clear buffers and set new coefficients with new crossfeed level value.
* level - crossfeed level of *LEVEL values.
*/
void bs2b_set_level(struct bs2b *bs2b, int level);
/* Return current crossfeed level value */
int bs2b_get_level(struct bs2b *bs2b);
/* Clear buffers and set new coefficients with new sample rate value.
* srate - sample rate by Hz.
*/
void bs2b_set_srate(struct bs2b *bs2b, int srate);
/* Return current sample rate value */
int bs2b_get_srate(struct bs2b *bs2b);
/* Clear buffer */
void bs2b_clear(struct bs2b *bs2b);
/* Return 1 if buffer is clear */
int bs2b_is_clear(struct bs2b *bs2b);
/* Crossfeeds one stereo sample that are pointed by sample.
* [0] - first channel, [1] - second channel.
* Returns crossfided samle by sample pointer.
*/
/* sample poits to floats */
void bs2b_cross_feed(struct bs2b *bs2b, float *sample);
#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */
#endif /* BS2B_H */

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <stdlib.h>
#include <math.h>
#include "AL/al.h"
#include "AL/alc.h"
#include "alMain.h"
#include "alAuxEffectSlot.h"
#include "alThunk.h"
#include "alError.h"
#include "alSource.h"
static ALvoid InitializeEffect(ALCcontext *Context, ALeffectslot *EffectSlot, ALeffect *effect);
#define LookupEffectSlot(m, k) ((ALeffectslot*)LookupUIntMapKey(&(m), (k)))
#define LookupEffect(m, k) ((ALeffect*)LookupUIntMapKey(&(m), (k)))
AL_API ALvoid AL_APIENTRY alGenAuxiliaryEffectSlots(ALsizei n, ALuint *effectslots)
{
ALCcontext *Context;
ALCdevice *Device;
Context = GetContextSuspended();
if(!Context) return;
Device = Context->Device;
if(n < 0 || IsBadWritePtr((void*)effectslots, n * sizeof(ALuint)))
alSetError(Context, AL_INVALID_VALUE);
else if((ALuint)n > Device->AuxiliaryEffectSlotMax - Context->EffectSlotMap.size)
alSetError(Context, AL_INVALID_VALUE);
else
{
ALenum err;
ALsizei i, j;
i = 0;
while(i < n)
{
ALeffectslot *slot = calloc(1, sizeof(ALeffectslot));
if(!slot || !(slot->EffectState=NoneCreate()))
{
free(slot);
// We must have run out or memory
alSetError(Context, AL_OUT_OF_MEMORY);
alDeleteAuxiliaryEffectSlots(i, effectslots);
break;
}
slot->effectslot = (ALuint)ALTHUNK_ADDENTRY(slot);
err = InsertUIntMapEntry(&Context->EffectSlotMap,
slot->effectslot, slot);
if(err != AL_NO_ERROR)
{
ALTHUNK_REMOVEENTRY(slot->effectslot);
ALEffect_Destroy(slot->EffectState);
free(slot);
alSetError(Context, err);
alDeleteAuxiliaryEffectSlots(i, effectslots);
break;
}
effectslots[i++] = slot->effectslot;
slot->Gain = 1.0;
slot->AuxSendAuto = AL_TRUE;
for(j = 0;j < BUFFERSIZE;j++)
slot->WetBuffer[j] = 0.0f;
for(j = 0;j < 1;j++)
{
slot->ClickRemoval[j] = 0.0f;
slot->PendingClicks[j] = 0.0f;
}
slot->refcount = 0;
}
}
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alDeleteAuxiliaryEffectSlots(ALsizei n, ALuint *effectslots)
{
ALCcontext *Context;
ALeffectslot *EffectSlot;
ALboolean SlotsValid = AL_FALSE;
ALsizei i;
Context = GetContextSuspended();
if(!Context) return;
if(n < 0)
alSetError(Context, AL_INVALID_VALUE);
else
{
SlotsValid = AL_TRUE;
// Check that all effectslots are valid
for(i = 0;i < n;i++)
{
if((EffectSlot=LookupEffectSlot(Context->EffectSlotMap, effectslots[i])) == NULL)
{
alSetError(Context, AL_INVALID_NAME);
SlotsValid = AL_FALSE;
break;
}
else if(EffectSlot->refcount > 0)
{
alSetError(Context, AL_INVALID_NAME);
SlotsValid = AL_FALSE;
break;
}
}
}
if(SlotsValid)
{
// All effectslots are valid
for(i = 0;i < n;i++)
{
// Recheck that the effectslot is valid, because there could be duplicated names
if((EffectSlot=LookupEffectSlot(Context->EffectSlotMap, effectslots[i])) == NULL)
continue;
ALEffect_Destroy(EffectSlot->EffectState);
RemoveUIntMapKey(&Context->EffectSlotMap, EffectSlot->effectslot);
ALTHUNK_REMOVEENTRY(EffectSlot->effectslot);
memset(EffectSlot, 0, sizeof(ALeffectslot));
free(EffectSlot);
}
}
ProcessContext(Context);
}
AL_API ALboolean AL_APIENTRY alIsAuxiliaryEffectSlot(ALuint effectslot)
{
ALCcontext *Context;
ALboolean result;
Context = GetContextSuspended();
if(!Context) return AL_FALSE;
result = (LookupEffectSlot(Context->EffectSlotMap, effectslot) ?
AL_TRUE : AL_FALSE);
ProcessContext(Context);
return result;
}
AL_API ALvoid AL_APIENTRY alAuxiliaryEffectSloti(ALuint effectslot, ALenum param, ALint iValue)
{
ALCdevice *Device;
ALCcontext *Context;
ALboolean updateSources = AL_FALSE;
ALeffectslot *EffectSlot;
Context = GetContextSuspended();
if(!Context) return;
Device = Context->Device;
if((EffectSlot=LookupEffectSlot(Context->EffectSlotMap, effectslot)) != NULL)
{
switch(param)
{
case AL_EFFECTSLOT_EFFECT: {
ALeffect *effect = NULL;
if(iValue == 0 ||
(effect=LookupEffect(Device->EffectMap, iValue)) != NULL)
{
InitializeEffect(Context, EffectSlot, effect);
updateSources = AL_TRUE;
}
else
alSetError(Context, AL_INVALID_VALUE);
} break;
case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
if(iValue == AL_TRUE || iValue == AL_FALSE)
{
EffectSlot->AuxSendAuto = iValue;
updateSources = AL_TRUE;
}
else
alSetError(Context, AL_INVALID_VALUE);
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
}
else
alSetError(Context, AL_INVALID_NAME);
// Force updating the sources that use this slot, since it affects the
// sending parameters
if(updateSources)
{
ALsizei pos;
for(pos = 0;pos < Context->SourceMap.size;pos++)
{
ALsource *source = Context->SourceMap.array[pos].value;
ALuint i;
for(i = 0;i < Device->NumAuxSends;i++)
{
if(!source->Send[i].Slot ||
source->Send[i].Slot->effectslot != effectslot)
continue;
source->NeedsUpdate = AL_TRUE;
break;
}
}
}
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alAuxiliaryEffectSlotiv(ALuint effectslot, ALenum param, ALint *piValues)
{
ALCcontext *Context;
Context = GetContextSuspended();
if(!Context) return;
if(LookupEffectSlot(Context->EffectSlotMap, effectslot) != NULL)
{
switch(param)
{
case AL_EFFECTSLOT_EFFECT:
case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
alAuxiliaryEffectSloti(effectslot, param, piValues[0]);
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
}
else
alSetError(Context, AL_INVALID_NAME);
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alAuxiliaryEffectSlotf(ALuint effectslot, ALenum param, ALfloat flValue)
{
ALCcontext *Context;
ALeffectslot *EffectSlot;
Context = GetContextSuspended();
if(!Context) return;
if((EffectSlot=LookupEffectSlot(Context->EffectSlotMap, effectslot)) != NULL)
{
switch(param)
{
case AL_EFFECTSLOT_GAIN:
if(flValue >= 0.0f && flValue <= 1.0f)
EffectSlot->Gain = flValue;
else
alSetError(Context, AL_INVALID_VALUE);
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
}
else
alSetError(Context, AL_INVALID_NAME);
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alAuxiliaryEffectSlotfv(ALuint effectslot, ALenum param, ALfloat *pflValues)
{
ALCcontext *Context;
Context = GetContextSuspended();
if(!Context) return;
if(LookupEffectSlot(Context->EffectSlotMap, effectslot) != NULL)
{
switch(param)
{
case AL_EFFECTSLOT_GAIN:
alAuxiliaryEffectSlotf(effectslot, param, pflValues[0]);
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
}
else
alSetError(Context, AL_INVALID_NAME);
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alGetAuxiliaryEffectSloti(ALuint effectslot, ALenum param, ALint *piValue)
{
ALCcontext *Context;
ALeffectslot *EffectSlot;
Context = GetContextSuspended();
if(!Context) return;
if((EffectSlot=LookupEffectSlot(Context->EffectSlotMap, effectslot)) != NULL)
{
switch(param)
{
case AL_EFFECTSLOT_EFFECT:
*piValue = EffectSlot->effect.effect;
break;
case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
*piValue = EffectSlot->AuxSendAuto;
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
}
else
alSetError(Context, AL_INVALID_NAME);
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alGetAuxiliaryEffectSlotiv(ALuint effectslot, ALenum param, ALint *piValues)
{
ALCcontext *Context;
Context = GetContextSuspended();
if(!Context) return;
if(LookupEffectSlot(Context->EffectSlotMap, effectslot) != NULL)
{
switch(param)
{
case AL_EFFECTSLOT_EFFECT:
case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
alGetAuxiliaryEffectSloti(effectslot, param, piValues);
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
}
else
alSetError(Context, AL_INVALID_NAME);
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alGetAuxiliaryEffectSlotf(ALuint effectslot, ALenum param, ALfloat *pflValue)
{
ALCcontext *Context;
ALeffectslot *EffectSlot;
Context = GetContextSuspended();
if(!Context) return;
if((EffectSlot=LookupEffectSlot(Context->EffectSlotMap, effectslot)) != NULL)
{
switch(param)
{
case AL_EFFECTSLOT_GAIN:
*pflValue = EffectSlot->Gain;
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
}
else
alSetError(Context, AL_INVALID_NAME);
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alGetAuxiliaryEffectSlotfv(ALuint effectslot, ALenum param, ALfloat *pflValues)
{
ALCcontext *Context;
Context = GetContextSuspended();
if(!Context) return;
if(LookupEffectSlot(Context->EffectSlotMap, effectslot) != NULL)
{
switch(param)
{
case AL_EFFECTSLOT_GAIN:
alGetAuxiliaryEffectSlotf(effectslot, param, pflValues);
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
}
else
alSetError(Context, AL_INVALID_NAME);
ProcessContext(Context);
}
static ALvoid NoneDestroy(ALeffectState *State)
{ free(State); }
static ALboolean NoneDeviceUpdate(ALeffectState *State, ALCdevice *Device)
{
return AL_TRUE;
(void)State;
(void)Device;
}
static ALvoid NoneUpdate(ALeffectState *State, ALCcontext *Context, const ALeffect *Effect)
{
(void)State;
(void)Context;
(void)Effect;
}
static ALvoid NoneProcess(ALeffectState *State, const ALeffectslot *Slot, ALuint SamplesToDo, const ALfloat *SamplesIn, ALfloat (*SamplesOut)[MAXCHANNELS])
{
(void)State;
(void)Slot;
(void)SamplesToDo;
(void)SamplesIn;
(void)SamplesOut;
}
ALeffectState *NoneCreate(void)
{
ALeffectState *state;
state = calloc(1, sizeof(*state));
if(!state)
return NULL;
state->Destroy = NoneDestroy;
state->DeviceUpdate = NoneDeviceUpdate;
state->Update = NoneUpdate;
state->Process = NoneProcess;
return state;
}
static ALvoid InitializeEffect(ALCcontext *Context, ALeffectslot *EffectSlot, ALeffect *effect)
{
if(EffectSlot->effect.type != (effect?effect->type:AL_EFFECT_NULL))
{
ALeffectState *NewState = NULL;
if(!effect || effect->type == AL_EFFECT_NULL)
NewState = NoneCreate();
else if(effect->type == AL_EFFECT_EAXREVERB)
NewState = EAXVerbCreate();
else if(effect->type == AL_EFFECT_REVERB)
NewState = VerbCreate();
else if(effect->type == AL_EFFECT_ECHO)
NewState = EchoCreate();
else if(effect->type == AL_EFFECT_RING_MODULATOR)
NewState = ModulatorCreate();
/* No new state? An error occured.. */
if(NewState == NULL ||
ALEffect_DeviceUpdate(NewState, Context->Device) == AL_FALSE)
{
if(NewState)
ALEffect_Destroy(NewState);
alSetError(Context, AL_OUT_OF_MEMORY);
return;
}
if(EffectSlot->EffectState)
ALEffect_Destroy(EffectSlot->EffectState);
EffectSlot->EffectState = NewState;
}
if(!effect)
memset(&EffectSlot->effect, 0, sizeof(EffectSlot->effect));
else
memcpy(&EffectSlot->effect, effect, sizeof(*effect));
ALEffect_Update(EffectSlot->EffectState, Context, effect);
}
ALvoid ReleaseALAuxiliaryEffectSlots(ALCcontext *Context)
{
ALsizei pos;
for(pos = 0;pos < Context->EffectSlotMap.size;pos++)
{
ALeffectslot *temp = Context->EffectSlotMap.array[pos].value;
Context->EffectSlotMap.array[pos].value = NULL;
// Release effectslot structure
ALEffect_Destroy(temp->EffectState);
ALTHUNK_REMOVEENTRY(temp->effectslot);
memset(temp, 0, sizeof(ALeffectslot));
free(temp);
}
}

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include "alMain.h"
#include "AL/al.h"
#include "AL/alc.h"
#include "AL/alext.h"
#include "alError.h"
#include "alDatabuffer.h"
#include "alThunk.h"
#define LookupDatabuffer(m, k) ((ALdatabuffer*)LookupUIntMapKey(&(m), (k)))
/*
* alGenDatabuffersEXT(ALsizei n, ALuint *puiBuffers)
*
* Generates n AL Databuffers, and stores the Databuffers Names in the array pointed to by puiBuffers
*/
AL_API ALvoid AL_APIENTRY alGenDatabuffersEXT(ALsizei n,ALuint *puiBuffers)
{
ALCcontext *Context;
ALsizei i=0;
Context = GetContextSuspended();
if(!Context) return;
/* Check that we are actually generation some Databuffers */
if(n < 0 || IsBadWritePtr((void*)puiBuffers, n * sizeof(ALuint)))
alSetError(Context, AL_INVALID_VALUE);
else
{
ALCdevice *device = Context->Device;
ALenum err;
/* Create all the new Databuffers */
while(i < n)
{
ALdatabuffer *buffer = calloc(1, sizeof(ALdatabuffer));
if(!buffer)
{
alSetError(Context, AL_OUT_OF_MEMORY);
alDeleteDatabuffersEXT(i, puiBuffers);
break;
}
buffer->databuffer = ALTHUNK_ADDENTRY(buffer);
err = InsertUIntMapEntry(&device->DatabufferMap,
buffer->databuffer, buffer);
if(err != AL_NO_ERROR)
{
ALTHUNK_REMOVEENTRY(buffer->databuffer);
memset(buffer, 0, sizeof(ALdatabuffer));
free(buffer);
alSetError(Context, err);
alDeleteDatabuffersEXT(i, puiBuffers);
break;
}
puiBuffers[i++] = buffer->databuffer;
buffer->state = UNMAPPED;
}
}
ProcessContext(Context);
}
/*
* alDatabeleteBuffersEXT(ALsizei n, ALuint *puiBuffers)
*
* Deletes the n AL Databuffers pointed to by puiBuffers
*/
AL_API ALvoid AL_APIENTRY alDeleteDatabuffersEXT(ALsizei n, const ALuint *buffers)
{
ALCcontext *Context;
ALCdevice *device;
ALdatabuffer *ALBuf;
ALboolean Failed;
ALsizei i;
Context = GetContextSuspended();
if(!Context) return;
/* Check we are actually Deleting some Databuffers */
Failed = AL_TRUE;
device = Context->Device;
if(n < 0)
alSetError(Context, AL_INVALID_VALUE);
else
{
Failed = AL_FALSE;
/* Check that all the databuffers are valid and can actually be
* deleted */
for(i = 0;i < n;i++)
{
if(!buffers[i])
continue;
/* Check for valid Buffer ID */
if((ALBuf=LookupDatabuffer(device->DatabufferMap, buffers[i])) == NULL)
{
/* Invalid Databuffer */
alSetError(Context, AL_INVALID_NAME);
Failed = AL_TRUE;
break;
}
else if(ALBuf->state != UNMAPPED)
{
/* Databuffer still in use, cannot be deleted */
alSetError(Context, AL_INVALID_OPERATION);
Failed = AL_TRUE;
break;
}
}
}
/* If all the Databuffers were valid (and unmapped), then we can delete them */
if(!Failed)
{
for(i = 0;i < n;i++)
{
if((ALBuf=LookupDatabuffer(device->DatabufferMap, buffers[i])) == NULL)
continue;
if(ALBuf == Context->SampleSource)
Context->SampleSource = NULL;
if(ALBuf == Context->SampleSink)
Context->SampleSink = NULL;
// Release the memory used to store audio data
free(ALBuf->data);
// Release buffer structure
RemoveUIntMapKey(&device->DatabufferMap, ALBuf->databuffer);
ALTHUNK_REMOVEENTRY(ALBuf->databuffer);
memset(ALBuf, 0, sizeof(ALdatabuffer));
free(ALBuf);
}
}
ProcessContext(Context);
}
/*
* alIsDatabufferEXT(ALuint uiBuffer)
*
* Checks if ulBuffer is a valid Databuffer Name
*/
AL_API ALboolean AL_APIENTRY alIsDatabufferEXT(ALuint buffer)
{
ALCcontext *Context;
ALboolean result;
ALCdevice *device;
Context = GetContextSuspended();
if(!Context) return AL_FALSE;
device = Context->Device;
result = ((!buffer || LookupDatabuffer(device->DatabufferMap, buffer)) ?
AL_TRUE : AL_FALSE);
ProcessContext(Context);
return result;
}
/*
* alDatabufferDataEXT(ALuint buffer,ALvoid *data,ALsizei size,ALenum usage)
*
* Fill databuffer with data
*/
AL_API ALvoid AL_APIENTRY alDatabufferDataEXT(ALuint buffer,const ALvoid *data,ALsizeiptrEXT size,ALenum usage)
{
ALCcontext *Context;
ALdatabuffer *ALBuf;
ALCdevice *Device;
ALvoid *temp;
Context = GetContextSuspended();
if(!Context) return;
Device = Context->Device;
if((ALBuf=LookupDatabuffer(Device->DatabufferMap, buffer)) != NULL)
{
if(ALBuf->state == UNMAPPED)
{
if(usage == AL_STREAM_WRITE_EXT || usage == AL_STREAM_READ_EXT ||
usage == AL_STREAM_COPY_EXT || usage == AL_STATIC_WRITE_EXT ||
usage == AL_STATIC_READ_EXT || usage == AL_STATIC_COPY_EXT ||
usage == AL_DYNAMIC_WRITE_EXT || usage == AL_DYNAMIC_READ_EXT ||
usage == AL_DYNAMIC_COPY_EXT)
{
if(size >= 0)
{
/* (Re)allocate data */
temp = realloc(ALBuf->data, size);
if(temp)
{
ALBuf->data = temp;
ALBuf->size = size;
ALBuf->usage = usage;
if(data)
memcpy(ALBuf->data, data, size);
}
else
alSetError(Context, AL_OUT_OF_MEMORY);
}
else
alSetError(Context, AL_INVALID_VALUE);
}
else
alSetError(Context, AL_INVALID_ENUM);
}
else
alSetError(Context, AL_INVALID_OPERATION);
}
else
alSetError(Context, AL_INVALID_NAME);
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alDatabufferSubDataEXT(ALuint uiBuffer, ALintptrEXT start, ALsizeiptrEXT length, const ALvoid *data)
{
ALCcontext *pContext;
ALdatabuffer *pBuffer;
ALCdevice *Device;
pContext = GetContextSuspended();
if(!pContext) return;
Device = pContext->Device;
if((pBuffer=LookupDatabuffer(Device->DatabufferMap, uiBuffer)) != NULL)
{
if(start >= 0 && length >= 0 && start+length <= pBuffer->size)
{
if(pBuffer->state == UNMAPPED)
memcpy(pBuffer->data+start, data, length);
else
alSetError(pContext, AL_INVALID_OPERATION);
}
else
alSetError(pContext, AL_INVALID_VALUE);
}
else
alSetError(pContext, AL_INVALID_NAME);
ProcessContext(pContext);
}
AL_API ALvoid AL_APIENTRY alGetDatabufferSubDataEXT(ALuint uiBuffer, ALintptrEXT start, ALsizeiptrEXT length, ALvoid *data)
{
ALCcontext *pContext;
ALdatabuffer *pBuffer;
ALCdevice *Device;
pContext = GetContextSuspended();
if(!pContext) return;
Device = pContext->Device;
if((pBuffer=LookupDatabuffer(Device->DatabufferMap, uiBuffer)) != NULL)
{
if(start >= 0 && length >= 0 && start+length <= pBuffer->size)
{
if(pBuffer->state == UNMAPPED)
memcpy(data, pBuffer->data+start, length);
else
alSetError(pContext, AL_INVALID_OPERATION);
}
else
alSetError(pContext, AL_INVALID_VALUE);
}
else
alSetError(pContext, AL_INVALID_NAME);
ProcessContext(pContext);
}
AL_API ALvoid AL_APIENTRY alDatabufferfEXT(ALuint buffer, ALenum eParam, ALfloat flValue)
{
ALCcontext *pContext;
ALCdevice *Device;
(void)flValue;
pContext = GetContextSuspended();
if(!pContext) return;
Device = pContext->Device;
if(LookupDatabuffer(Device->DatabufferMap, buffer) != NULL)
{
switch(eParam)
{
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
}
else
alSetError(pContext, AL_INVALID_NAME);
ProcessContext(pContext);
}
AL_API ALvoid AL_APIENTRY alDatabufferfvEXT(ALuint buffer, ALenum eParam, const ALfloat* flValues)
{
ALCcontext *pContext;
ALCdevice *Device;
(void)flValues;
pContext = GetContextSuspended();
if(!pContext) return;
Device = pContext->Device;
if(LookupDatabuffer(Device->DatabufferMap, buffer) != NULL)
{
switch(eParam)
{
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
}
else
alSetError(pContext, AL_INVALID_NAME);
ProcessContext(pContext);
}
AL_API ALvoid AL_APIENTRY alDatabufferiEXT(ALuint buffer, ALenum eParam, ALint lValue)
{
ALCcontext *pContext;
ALCdevice *Device;
(void)lValue;
pContext = GetContextSuspended();
if(!pContext) return;
Device = pContext->Device;
if(LookupDatabuffer(Device->DatabufferMap, buffer) != NULL)
{
switch(eParam)
{
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
}
else
alSetError(pContext, AL_INVALID_NAME);
ProcessContext(pContext);
}
AL_API ALvoid AL_APIENTRY alDatabufferivEXT(ALuint buffer, ALenum eParam, const ALint* plValues)
{
ALCcontext *pContext;
ALCdevice *Device;
(void)plValues;
pContext = GetContextSuspended();
if(!pContext) return;
Device = pContext->Device;
if(LookupDatabuffer(Device->DatabufferMap, buffer) != NULL)
{
switch(eParam)
{
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
}
else
alSetError(pContext, AL_INVALID_NAME);
ProcessContext(pContext);
}
AL_API ALvoid AL_APIENTRY alGetDatabufferfEXT(ALuint buffer, ALenum eParam, ALfloat *pflValue)
{
ALCcontext *pContext;
ALCdevice *Device;
pContext = GetContextSuspended();
if(!pContext) return;
if(pflValue)
{
Device = pContext->Device;
if(LookupDatabuffer(Device->DatabufferMap, buffer) != NULL)
{
switch(eParam)
{
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
}
else
alSetError(pContext, AL_INVALID_NAME);
}
else
alSetError(pContext, AL_INVALID_VALUE);
ProcessContext(pContext);
}
AL_API ALvoid AL_APIENTRY alGetDatabufferfvEXT(ALuint buffer, ALenum eParam, ALfloat* pflValues)
{
ALCcontext *pContext;
ALCdevice *Device;
pContext = GetContextSuspended();
if(!pContext) return;
if(pflValues)
{
Device = pContext->Device;
if(LookupDatabuffer(Device->DatabufferMap, buffer) != NULL)
{
switch(eParam)
{
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
}
else
alSetError(pContext, AL_INVALID_NAME);
}
else
alSetError(pContext, AL_INVALID_VALUE);
ProcessContext(pContext);
}
AL_API ALvoid AL_APIENTRY alGetDatabufferiEXT(ALuint buffer, ALenum eParam, ALint *plValue)
{
ALCcontext *pContext;
ALdatabuffer *pBuffer;
ALCdevice *Device;
pContext = GetContextSuspended();
if(!pContext) return;
if(plValue)
{
Device = pContext->Device;
if((pBuffer=LookupDatabuffer(Device->DatabufferMap, buffer)) != NULL)
{
switch(eParam)
{
case AL_SIZE:
*plValue = (ALint)pBuffer->size;
break;
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
}
else
alSetError(pContext, AL_INVALID_NAME);
}
else
alSetError(pContext, AL_INVALID_VALUE);
ProcessContext(pContext);
}
AL_API ALvoid AL_APIENTRY alGetDatabufferivEXT(ALuint buffer, ALenum eParam, ALint* plValues)
{
ALCcontext *pContext;
ALCdevice *Device;
pContext = GetContextSuspended();
if(!pContext) return;
if(plValues)
{
Device = pContext->Device;
if(LookupDatabuffer(Device->DatabufferMap, buffer) != NULL)
{
switch (eParam)
{
case AL_SIZE:
alGetDatabufferiEXT(buffer, eParam, plValues);
break;
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
}
else
alSetError(pContext, AL_INVALID_NAME);
}
else
alSetError(pContext, AL_INVALID_VALUE);
ProcessContext(pContext);
}
AL_API ALvoid AL_APIENTRY alSelectDatabufferEXT(ALenum target, ALuint uiBuffer)
{
ALCcontext *pContext;
ALdatabuffer *pBuffer = NULL;
ALCdevice *Device;
pContext = GetContextSuspended();
if(!pContext) return;
Device = pContext->Device;
if(uiBuffer == 0 ||
(pBuffer=LookupDatabuffer(Device->DatabufferMap, uiBuffer)) != NULL)
{
if(target == AL_SAMPLE_SOURCE_EXT)
pContext->SampleSource = pBuffer;
else if(target == AL_SAMPLE_SINK_EXT)
pContext->SampleSink = pBuffer;
else
alSetError(pContext, AL_INVALID_VALUE);
}
else
alSetError(pContext, AL_INVALID_NAME);
ProcessContext(pContext);
}
AL_API ALvoid* AL_APIENTRY alMapDatabufferEXT(ALuint uiBuffer, ALintptrEXT start, ALsizeiptrEXT length, ALenum access)
{
ALCcontext *pContext;
ALdatabuffer *pBuffer;
ALvoid *ret = NULL;
ALCdevice *Device;
pContext = GetContextSuspended();
if(!pContext) return NULL;
Device = pContext->Device;
if((pBuffer=LookupDatabuffer(Device->DatabufferMap, uiBuffer)) != NULL)
{
if(start >= 0 && length >= 0 && start+length <= pBuffer->size)
{
if(access == AL_READ_ONLY_EXT || access == AL_WRITE_ONLY_EXT ||
access == AL_READ_WRITE_EXT)
{
if(pBuffer->state == UNMAPPED)
{
ret = pBuffer->data + start;
pBuffer->state = MAPPED;
}
else
alSetError(pContext, AL_INVALID_OPERATION);
}
else
alSetError(pContext, AL_INVALID_ENUM);
}
else
alSetError(pContext, AL_INVALID_VALUE);
}
else
alSetError(pContext, AL_INVALID_NAME);
ProcessContext(pContext);
return ret;
}
AL_API ALvoid AL_APIENTRY alUnmapDatabufferEXT(ALuint uiBuffer)
{
ALCcontext *pContext;
ALdatabuffer *pBuffer;
ALCdevice *Device;
pContext = GetContextSuspended();
if(!pContext) return;
Device = pContext->Device;
if((pBuffer=LookupDatabuffer(Device->DatabufferMap, uiBuffer)) != NULL)
{
if(pBuffer->state == MAPPED)
pBuffer->state = UNMAPPED;
else
alSetError(pContext, AL_INVALID_OPERATION);
}
else
alSetError(pContext, AL_INVALID_NAME);
ProcessContext(pContext);
}
/*
* ReleaseALDatabuffers()
*
* INTERNAL FN : Called by DLLMain on exit to destroy any buffers that still exist
*/
ALvoid ReleaseALDatabuffers(ALCdevice *device)
{
ALsizei i;
for(i = 0;i < device->DatabufferMap.size;i++)
{
ALdatabuffer *temp = device->DatabufferMap.array[i].value;
device->DatabufferMap.array[i].value = NULL;
// Release buffer data
free(temp->data);
// Release Buffer structure
ALTHUNK_REMOVEENTRY(temp->databuffer);
memset(temp, 0, sizeof(ALdatabuffer));
free(temp);
}
}

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2000 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include "alMain.h"
#include "AL/alc.h"
#include "alError.h"
AL_API ALenum AL_APIENTRY alGetError(ALvoid)
{
ALCcontext *Context;
ALenum errorCode;
Context = GetContextSuspended();
if(!Context) return AL_INVALID_OPERATION;
errorCode = Context->LastError;
Context->LastError = AL_NO_ERROR;
ProcessContext(Context);
return errorCode;
}
ALvoid alSetError(ALCcontext *Context, ALenum errorCode)
{
if(Context->LastError == AL_NO_ERROR)
Context->LastError = errorCode;
}

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "alError.h"
#include "alMain.h"
#include "alFilter.h"
#include "alEffect.h"
#include "alAuxEffectSlot.h"
#include "alDatabuffer.h"
#include "alSource.h"
#include "alBuffer.h"
#include "AL/al.h"
#include "AL/alc.h"
typedef struct ALenums {
const ALchar *enumName;
ALenum value;
} ALenums;
static const ALenums enumeration[] = {
// Types
{ "AL_INVALID", AL_INVALID },
{ "AL_NONE", AL_NONE },
{ "AL_FALSE", AL_FALSE },
{ "AL_TRUE", AL_TRUE },
// Source and Listener Properties
{ "AL_SOURCE_RELATIVE", AL_SOURCE_RELATIVE },
{ "AL_CONE_INNER_ANGLE", AL_CONE_INNER_ANGLE },
{ "AL_CONE_OUTER_ANGLE", AL_CONE_OUTER_ANGLE },
{ "AL_PITCH", AL_PITCH },
{ "AL_POSITION", AL_POSITION },
{ "AL_DIRECTION", AL_DIRECTION },
{ "AL_VELOCITY", AL_VELOCITY },
{ "AL_LOOPING", AL_LOOPING },
{ "AL_BUFFER", AL_BUFFER },
{ "AL_GAIN", AL_GAIN },
{ "AL_MIN_GAIN", AL_MIN_GAIN },
{ "AL_MAX_GAIN", AL_MAX_GAIN },
{ "AL_ORIENTATION", AL_ORIENTATION },
{ "AL_REFERENCE_DISTANCE", AL_REFERENCE_DISTANCE },
{ "AL_ROLLOFF_FACTOR", AL_ROLLOFF_FACTOR },
{ "AL_CONE_OUTER_GAIN", AL_CONE_OUTER_GAIN },
{ "AL_MAX_DISTANCE", AL_MAX_DISTANCE },
{ "AL_SEC_OFFSET", AL_SEC_OFFSET },
{ "AL_SAMPLE_OFFSET", AL_SAMPLE_OFFSET },
{ "AL_SAMPLE_RW_OFFSETS_SOFT", AL_SAMPLE_RW_OFFSETS_SOFT },
{ "AL_BYTE_OFFSET", AL_BYTE_OFFSET },
{ "AL_BYTE_RW_OFFSETS_SOFT", AL_BYTE_RW_OFFSETS_SOFT },
{ "AL_SOURCE_TYPE", AL_SOURCE_TYPE },
{ "AL_STATIC", AL_STATIC },
{ "AL_STREAMING", AL_STREAMING },
{ "AL_UNDETERMINED", AL_UNDETERMINED },
{ "AL_METERS_PER_UNIT", AL_METERS_PER_UNIT },
// Source EFX Properties
{ "AL_DIRECT_FILTER", AL_DIRECT_FILTER },
{ "AL_AUXILIARY_SEND_FILTER", AL_AUXILIARY_SEND_FILTER },
{ "AL_AIR_ABSORPTION_FACTOR", AL_AIR_ABSORPTION_FACTOR },
{ "AL_ROOM_ROLLOFF_FACTOR", AL_ROOM_ROLLOFF_FACTOR },
{ "AL_CONE_OUTER_GAINHF", AL_CONE_OUTER_GAINHF },
{ "AL_DIRECT_FILTER_GAINHF_AUTO", AL_DIRECT_FILTER_GAINHF_AUTO },
{ "AL_AUXILIARY_SEND_FILTER_GAIN_AUTO", AL_AUXILIARY_SEND_FILTER_GAIN_AUTO },
{ "AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO", AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO},
// Source State information
{ "AL_SOURCE_STATE", AL_SOURCE_STATE },
{ "AL_INITIAL", AL_INITIAL },
{ "AL_PLAYING", AL_PLAYING },
{ "AL_PAUSED", AL_PAUSED },
{ "AL_STOPPED", AL_STOPPED },
// Queue information
{ "AL_BUFFERS_QUEUED", AL_BUFFERS_QUEUED },
{ "AL_BUFFERS_PROCESSED", AL_BUFFERS_PROCESSED },
// Buffer Formats
{ "AL_FORMAT_MONO8", AL_FORMAT_MONO8 },
{ "AL_FORMAT_MONO16", AL_FORMAT_MONO16 },
{ "AL_FORMAT_MONO_FLOAT32", AL_FORMAT_MONO_FLOAT32 },
{ "AL_FORMAT_MONO_DOUBLE_EXT", AL_FORMAT_MONO_DOUBLE_EXT },
{ "AL_FORMAT_STEREO8", AL_FORMAT_STEREO8 },
{ "AL_FORMAT_STEREO16", AL_FORMAT_STEREO16 },
{ "AL_FORMAT_STEREO_FLOAT32", AL_FORMAT_STEREO_FLOAT32 },
{ "AL_FORMAT_STEREO_DOUBLE_EXT", AL_FORMAT_STEREO_DOUBLE_EXT },
{ "AL_FORMAT_MONO_IMA4", AL_FORMAT_MONO_IMA4 },
{ "AL_FORMAT_STEREO_IMA4", AL_FORMAT_STEREO_IMA4 },
{ "AL_FORMAT_QUAD8_LOKI", AL_FORMAT_QUAD8_LOKI },
{ "AL_FORMAT_QUAD16_LOKI", AL_FORMAT_QUAD16_LOKI },
{ "AL_FORMAT_QUAD8", AL_FORMAT_QUAD8 },
{ "AL_FORMAT_QUAD16", AL_FORMAT_QUAD16 },
{ "AL_FORMAT_QUAD32", AL_FORMAT_QUAD32 },
{ "AL_FORMAT_51CHN8", AL_FORMAT_51CHN8 },
{ "AL_FORMAT_51CHN16", AL_FORMAT_51CHN16 },
{ "AL_FORMAT_51CHN32", AL_FORMAT_51CHN32 },
{ "AL_FORMAT_61CHN8", AL_FORMAT_61CHN8 },
{ "AL_FORMAT_61CHN16", AL_FORMAT_61CHN16 },
{ "AL_FORMAT_61CHN32", AL_FORMAT_61CHN32 },
{ "AL_FORMAT_71CHN8", AL_FORMAT_71CHN8 },
{ "AL_FORMAT_71CHN16", AL_FORMAT_71CHN16 },
{ "AL_FORMAT_71CHN32", AL_FORMAT_71CHN32 },
{ "AL_FORMAT_REAR8", AL_FORMAT_REAR8 },
{ "AL_FORMAT_REAR16", AL_FORMAT_REAR16 },
{ "AL_FORMAT_REAR32", AL_FORMAT_REAR32 },
{ "AL_FORMAT_MONO_MULAW", AL_FORMAT_MONO_MULAW },
{ "AL_FORMAT_MONO_MULAW_EXT", AL_FORMAT_MONO_MULAW },
{ "AL_FORMAT_STEREO_MULAW", AL_FORMAT_STEREO_MULAW },
{ "AL_FORMAT_STEREO_MULAW_EXT", AL_FORMAT_STEREO_MULAW },
{ "AL_FORMAT_QUAD_MULAW", AL_FORMAT_QUAD_MULAW },
{ "AL_FORMAT_51CHN_MULAW", AL_FORMAT_51CHN_MULAW },
{ "AL_FORMAT_61CHN_MULAW", AL_FORMAT_61CHN_MULAW },
{ "AL_FORMAT_71CHN_MULAW", AL_FORMAT_71CHN_MULAW },
{ "AL_FORMAT_REAR_MULAW", AL_FORMAT_REAR_MULAW },
// Buffer attributes
{ "AL_FREQUENCY", AL_FREQUENCY },
{ "AL_BITS", AL_BITS },
{ "AL_CHANNELS", AL_CHANNELS },
{ "AL_SIZE", AL_SIZE },
// Buffer States (not supported yet)
{ "AL_UNUSED", AL_UNUSED },
{ "AL_PENDING", AL_PENDING },
{ "AL_PROCESSED", AL_PROCESSED },
// AL Error Messages
{ "AL_NO_ERROR", AL_NO_ERROR },
{ "AL_INVALID_NAME", AL_INVALID_NAME },
{ "AL_INVALID_ENUM", AL_INVALID_ENUM },
{ "AL_INVALID_VALUE", AL_INVALID_VALUE },
{ "AL_INVALID_OPERATION", AL_INVALID_OPERATION },
{ "AL_OUT_OF_MEMORY", AL_OUT_OF_MEMORY },
// Context strings
{ "AL_VENDOR", AL_VENDOR },
{ "AL_VERSION", AL_VERSION },
{ "AL_RENDERER", AL_RENDERER },
{ "AL_EXTENSIONS", AL_EXTENSIONS },
// Global states
{ "AL_DOPPLER_FACTOR", AL_DOPPLER_FACTOR },
{ "AL_DOPPLER_VELOCITY", AL_DOPPLER_VELOCITY },
{ "AL_DISTANCE_MODEL", AL_DISTANCE_MODEL },
{ "AL_SPEED_OF_SOUND", AL_SPEED_OF_SOUND },
{ "AL_SOURCE_DISTANCE_MODEL", AL_SOURCE_DISTANCE_MODEL },
// Distance Models
{ "AL_INVERSE_DISTANCE", AL_INVERSE_DISTANCE },
{ "AL_INVERSE_DISTANCE_CLAMPED", AL_INVERSE_DISTANCE_CLAMPED },
{ "AL_LINEAR_DISTANCE", AL_LINEAR_DISTANCE },
{ "AL_LINEAR_DISTANCE_CLAMPED", AL_LINEAR_DISTANCE_CLAMPED },
{ "AL_EXPONENT_DISTANCE", AL_EXPONENT_DISTANCE },
{ "AL_EXPONENT_DISTANCE_CLAMPED", AL_EXPONENT_DISTANCE_CLAMPED },
// Filter types
{ "AL_FILTER_TYPE", AL_FILTER_TYPE },
{ "AL_FILTER_NULL", AL_FILTER_NULL },
{ "AL_FILTER_LOWPASS", AL_FILTER_LOWPASS },
#if 0
{ "AL_FILTER_HIGHPASS", AL_FILTER_HIGHPASS },
{ "AL_FILTER_BANDPASS", AL_FILTER_BANDPASS },
#endif
// Filter params
{ "AL_LOWPASS_GAIN", AL_LOWPASS_GAIN },
{ "AL_LOWPASS_GAINHF", AL_LOWPASS_GAINHF },
// Effect types
{ "AL_EFFECT_TYPE", AL_EFFECT_TYPE },
{ "AL_EFFECT_NULL", AL_EFFECT_NULL },
{ "AL_EFFECT_REVERB", AL_EFFECT_REVERB },
{ "AL_EFFECT_EAXREVERB", AL_EFFECT_EAXREVERB },
#if 0
{ "AL_EFFECT_CHORUS", AL_EFFECT_CHORUS },
{ "AL_EFFECT_DISTORTION", AL_EFFECT_DISTORTION },
#endif
{ "AL_EFFECT_ECHO", AL_EFFECT_ECHO },
#if 0
{ "AL_EFFECT_FLANGER", AL_EFFECT_FLANGER },
{ "AL_EFFECT_FREQUENCY_SHIFTER", AL_EFFECT_FREQUENCY_SHIFTER },
{ "AL_EFFECT_VOCAL_MORPHER", AL_EFFECT_VOCAL_MORPHER },
{ "AL_EFFECT_PITCH_SHIFTER", AL_EFFECT_PITCH_SHIFTER },
#endif
{ "AL_EFFECT_RING_MODULATOR", AL_EFFECT_RING_MODULATOR },
#if 0
{ "AL_EFFECT_AUTOWAH", AL_EFFECT_AUTOWAH },
{ "AL_EFFECT_COMPRESSOR", AL_EFFECT_COMPRESSOR },
{ "AL_EFFECT_EQUALIZER", AL_EFFECT_EQUALIZER },
#endif
// Reverb params
{ "AL_REVERB_DENSITY", AL_REVERB_DENSITY },
{ "AL_REVERB_DIFFUSION", AL_REVERB_DIFFUSION },
{ "AL_REVERB_GAIN", AL_REVERB_GAIN },
{ "AL_REVERB_GAINHF", AL_REVERB_GAINHF },
{ "AL_REVERB_DECAY_TIME", AL_REVERB_DECAY_TIME },
{ "AL_REVERB_DECAY_HFRATIO", AL_REVERB_DECAY_HFRATIO },
{ "AL_REVERB_REFLECTIONS_GAIN", AL_REVERB_REFLECTIONS_GAIN },
{ "AL_REVERB_REFLECTIONS_DELAY", AL_REVERB_REFLECTIONS_DELAY },
{ "AL_REVERB_LATE_REVERB_GAIN", AL_REVERB_LATE_REVERB_GAIN },
{ "AL_REVERB_LATE_REVERB_DELAY", AL_REVERB_LATE_REVERB_DELAY },
{ "AL_REVERB_AIR_ABSORPTION_GAINHF", AL_REVERB_AIR_ABSORPTION_GAINHF },
{ "AL_REVERB_ROOM_ROLLOFF_FACTOR", AL_REVERB_ROOM_ROLLOFF_FACTOR },
{ "AL_REVERB_DECAY_HFLIMIT", AL_REVERB_DECAY_HFLIMIT },
// EAX Reverb params
{ "AL_EAXREVERB_DENSITY", AL_EAXREVERB_DENSITY },
{ "AL_EAXREVERB_DIFFUSION", AL_EAXREVERB_DIFFUSION },
{ "AL_EAXREVERB_GAIN", AL_EAXREVERB_GAIN },
{ "AL_EAXREVERB_GAINHF", AL_EAXREVERB_GAINHF },
{ "AL_EAXREVERB_GAINLF", AL_EAXREVERB_GAINLF },
{ "AL_EAXREVERB_DECAY_TIME", AL_EAXREVERB_DECAY_TIME },
{ "AL_EAXREVERB_DECAY_HFRATIO", AL_EAXREVERB_DECAY_HFRATIO },
{ "AL_EAXREVERB_DECAY_LFRATIO", AL_EAXREVERB_DECAY_LFRATIO },
{ "AL_EAXREVERB_REFLECTIONS_GAIN", AL_EAXREVERB_REFLECTIONS_GAIN },
{ "AL_EAXREVERB_REFLECTIONS_DELAY", AL_EAXREVERB_REFLECTIONS_DELAY },
{ "AL_EAXREVERB_REFLECTIONS_PAN", AL_EAXREVERB_REFLECTIONS_PAN },
{ "AL_EAXREVERB_LATE_REVERB_GAIN", AL_EAXREVERB_LATE_REVERB_GAIN },
{ "AL_EAXREVERB_LATE_REVERB_DELAY", AL_EAXREVERB_LATE_REVERB_DELAY },
{ "AL_EAXREVERB_LATE_REVERB_PAN", AL_EAXREVERB_LATE_REVERB_PAN },
{ "AL_EAXREVERB_ECHO_TIME", AL_EAXREVERB_ECHO_TIME },
{ "AL_EAXREVERB_ECHO_DEPTH", AL_EAXREVERB_ECHO_DEPTH },
{ "AL_EAXREVERB_MODULATION_TIME", AL_EAXREVERB_MODULATION_TIME },
{ "AL_EAXREVERB_MODULATION_DEPTH", AL_EAXREVERB_MODULATION_DEPTH },
{ "AL_EAXREVERB_AIR_ABSORPTION_GAINHF", AL_EAXREVERB_AIR_ABSORPTION_GAINHF },
{ "AL_EAXREVERB_HFREFERENCE", AL_EAXREVERB_HFREFERENCE },
{ "AL_EAXREVERB_LFREFERENCE", AL_EAXREVERB_LFREFERENCE },
{ "AL_EAXREVERB_ROOM_ROLLOFF_FACTOR", AL_EAXREVERB_ROOM_ROLLOFF_FACTOR },
{ "AL_EAXREVERB_DECAY_HFLIMIT", AL_EAXREVERB_DECAY_HFLIMIT },
// Echo params
{ "AL_ECHO_DELAY", AL_ECHO_DELAY },
{ "AL_ECHO_LRDELAY", AL_ECHO_LRDELAY },
{ "AL_ECHO_DAMPING", AL_ECHO_DAMPING },
{ "AL_ECHO_FEEDBACK", AL_ECHO_FEEDBACK },
{ "AL_ECHO_SPREAD", AL_ECHO_SPREAD },
// Ring Modulator params
{ "AL_RING_MODULATOR_FREQUENCY", AL_RING_MODULATOR_FREQUENCY },
{ "AL_RING_MODULATOR_HIGHPASS_CUTOFF", AL_RING_MODULATOR_HIGHPASS_CUTOFF },
{ "AL_RING_MODULATOR_WAVEFORM", AL_RING_MODULATOR_WAVEFORM },
// Default
{ NULL, (ALenum)0 }
};
AL_API ALboolean AL_APIENTRY alIsExtensionPresent(const ALchar *extName)
{
ALboolean bIsSupported = AL_FALSE;
ALCcontext *pContext;
const char *ptr;
size_t len;
pContext = GetContextSuspended();
if(!pContext) return AL_FALSE;
if(!extName)
{
alSetError(pContext, AL_INVALID_VALUE);
ProcessContext(pContext);
return AL_FALSE;
}
len = strlen(extName);
ptr = pContext->ExtensionList;
while(ptr && *ptr)
{
if(strncasecmp(ptr, extName, len) == 0 &&
(ptr[len] == '\0' || isspace(ptr[len])))
{
bIsSupported = AL_TRUE;
break;
}
if((ptr=strchr(ptr, ' ')) != NULL)
{
do {
++ptr;
} while(isspace(*ptr));
}
}
ProcessContext(pContext);
return bIsSupported;
}
AL_API ALvoid* AL_APIENTRY alGetProcAddress(const ALchar *funcName)
{
if(!funcName)
return NULL;
return alcGetProcAddress(NULL, funcName);
}
AL_API ALenum AL_APIENTRY alGetEnumValue(const ALchar *enumName)
{
ALsizei i = 0;
while(enumeration[i].enumName &&
strcmp(enumeration[i].enumName, enumName) != 0)
i++;
return enumeration[i].value;
}

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <stdlib.h>
#include "AL/al.h"
#include "AL/alc.h"
#include "alMain.h"
#include "alFilter.h"
#include "alThunk.h"
#include "alError.h"
static void InitFilterParams(ALfilter *filter, ALenum type);
#define LookupFilter(m, k) ((ALfilter*)LookupUIntMapKey(&(m), (k)))
AL_API ALvoid AL_APIENTRY alGenFilters(ALsizei n, ALuint *filters)
{
ALCcontext *Context;
ALsizei i=0;
Context = GetContextSuspended();
if(!Context) return;
if(n < 0 || IsBadWritePtr((void*)filters, n * sizeof(ALuint)))
alSetError(Context, AL_INVALID_VALUE);
else
{
ALCdevice *device = Context->Device;
ALenum err;
while(i < n)
{
ALfilter *filter = calloc(1, sizeof(ALfilter));
if(!filter)
{
alSetError(Context, AL_OUT_OF_MEMORY);
alDeleteFilters(i, filters);
break;
}
filter->filter = ALTHUNK_ADDENTRY(filter);
err = InsertUIntMapEntry(&device->FilterMap, filter->filter, filter);
if(err != AL_NO_ERROR)
{
ALTHUNK_REMOVEENTRY(filter->filter);
memset(filter, 0, sizeof(ALfilter));
free(filter);
alSetError(Context, err);
alDeleteFilters(i, filters);
break;
}
filters[i++] = filter->filter;
InitFilterParams(filter, AL_FILTER_NULL);
}
}
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alDeleteFilters(ALsizei n, ALuint *filters)
{
ALCcontext *Context;
ALCdevice *device;
ALfilter *ALFilter;
ALboolean Failed;
ALsizei i;
Context = GetContextSuspended();
if(!Context) return;
Failed = AL_TRUE;
device = Context->Device;
if(n < 0)
alSetError(Context, AL_INVALID_VALUE);
else
{
Failed = AL_FALSE;
// Check that all filters are valid
for(i = 0;i < n;i++)
{
if(!filters[i])
continue;
if(LookupFilter(device->FilterMap, filters[i]) == NULL)
{
alSetError(Context, AL_INVALID_NAME);
Failed = AL_TRUE;
break;
}
}
}
if(!Failed)
{
// All filters are valid
for(i = 0;i < n;i++)
{
// Recheck that the filter is valid, because there could be duplicated names
if((ALFilter=LookupFilter(device->FilterMap, filters[i])) == NULL)
continue;
RemoveUIntMapKey(&device->FilterMap, ALFilter->filter);
ALTHUNK_REMOVEENTRY(ALFilter->filter);
memset(ALFilter, 0, sizeof(ALfilter));
free(ALFilter);
}
}
ProcessContext(Context);
}
AL_API ALboolean AL_APIENTRY alIsFilter(ALuint filter)
{
ALCcontext *Context;
ALboolean result;
Context = GetContextSuspended();
if(!Context) return AL_FALSE;
result = ((!filter || LookupFilter(Context->Device->FilterMap, filter)) ?
AL_TRUE : AL_FALSE);
ProcessContext(Context);
return result;
}
AL_API ALvoid AL_APIENTRY alFilteri(ALuint filter, ALenum param, ALint iValue)
{
ALCcontext *Context;
ALCdevice *Device;
ALfilter *ALFilter;
Context = GetContextSuspended();
if(!Context) return;
Device = Context->Device;
if((ALFilter=LookupFilter(Device->FilterMap, filter)) != NULL)
{
switch(param)
{
case AL_FILTER_TYPE:
if(iValue == AL_FILTER_NULL ||
iValue == AL_FILTER_LOWPASS)
InitFilterParams(ALFilter, iValue);
else
alSetError(Context, AL_INVALID_VALUE);
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
}
else
alSetError(Context, AL_INVALID_NAME);
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alFilteriv(ALuint filter, ALenum param, ALint *piValues)
{
ALCcontext *Context;
ALCdevice *Device;
Context = GetContextSuspended();
if(!Context) return;
Device = Context->Device;
if(LookupFilter(Device->FilterMap, filter) != NULL)
{
switch(param)
{
case AL_FILTER_TYPE:
alFilteri(filter, param, piValues[0]);
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
}
else
alSetError(Context, AL_INVALID_NAME);
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alFilterf(ALuint filter, ALenum param, ALfloat flValue)
{
ALCcontext *Context;
ALCdevice *Device;
ALfilter *ALFilter;
Context = GetContextSuspended();
if(!Context) return;
Device = Context->Device;
if((ALFilter=LookupFilter(Device->FilterMap, filter)) != NULL)
{
switch(ALFilter->type)
{
case AL_FILTER_LOWPASS:
switch(param)
{
case AL_LOWPASS_GAIN:
if(flValue >= 0.0f && flValue <= 1.0f)
ALFilter->Gain = flValue;
else
alSetError(Context, AL_INVALID_VALUE);
break;
case AL_LOWPASS_GAINHF:
if(flValue >= 0.0f && flValue <= 1.0f)
ALFilter->GainHF = flValue;
else
alSetError(Context, AL_INVALID_VALUE);
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
}
else
alSetError(Context, AL_INVALID_NAME);
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alFilterfv(ALuint filter, ALenum param, ALfloat *pflValues)
{
ALCcontext *Context;
ALCdevice *Device;
Context = GetContextSuspended();
if(!Context) return;
Device = Context->Device;
if(LookupFilter(Device->FilterMap, filter) != NULL)
{
switch(param)
{
default:
alFilterf(filter, param, pflValues[0]);
break;
}
}
else
alSetError(Context, AL_INVALID_NAME);
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alGetFilteri(ALuint filter, ALenum param, ALint *piValue)
{
ALCcontext *Context;
ALCdevice *Device;
ALfilter *ALFilter;
Context = GetContextSuspended();
if(!Context) return;
Device = Context->Device;
if((ALFilter=LookupFilter(Device->FilterMap, filter)) != NULL)
{
switch(param)
{
case AL_FILTER_TYPE:
*piValue = ALFilter->type;
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
}
else
alSetError(Context, AL_INVALID_NAME);
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alGetFilteriv(ALuint filter, ALenum param, ALint *piValues)
{
ALCcontext *Context;
ALCdevice *Device;
Context = GetContextSuspended();
if(!Context) return;
Device = Context->Device;
if(LookupFilter(Device->FilterMap, filter) != NULL)
{
switch(param)
{
case AL_FILTER_TYPE:
alGetFilteri(filter, param, piValues);
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
}
else
alSetError(Context, AL_INVALID_NAME);
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alGetFilterf(ALuint filter, ALenum param, ALfloat *pflValue)
{
ALCcontext *Context;
ALCdevice *Device;
ALfilter *ALFilter;
Context = GetContextSuspended();
if(!Context) return;
Device = Context->Device;
if((ALFilter=LookupFilter(Device->FilterMap, filter)) != NULL)
{
switch(ALFilter->type)
{
case AL_FILTER_LOWPASS:
switch(param)
{
case AL_LOWPASS_GAIN:
*pflValue = ALFilter->Gain;
break;
case AL_LOWPASS_GAINHF:
*pflValue = ALFilter->GainHF;
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
}
else
alSetError(Context, AL_INVALID_NAME);
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alGetFilterfv(ALuint filter, ALenum param, ALfloat *pflValues)
{
ALCcontext *Context;
ALCdevice *Device;
Context = GetContextSuspended();
if(!Context) return;
Device = Context->Device;
if(LookupFilter(Device->FilterMap, filter) != NULL)
{
switch(param)
{
default:
alGetFilterf(filter, param, pflValues);
break;
}
}
else
alSetError(Context, AL_INVALID_NAME);
ProcessContext(Context);
}
ALvoid ReleaseALFilters(ALCdevice *device)
{
ALsizei i;
for(i = 0;i < device->FilterMap.size;i++)
{
ALfilter *temp = device->FilterMap.array[i].value;
device->FilterMap.array[i].value = NULL;
// Release filter structure
ALTHUNK_REMOVEENTRY(temp->filter);
memset(temp, 0, sizeof(ALfilter));
free(temp);
}
}
static void InitFilterParams(ALfilter *filter, ALenum type)
{
filter->type = type;
filter->Gain = 1.0;
filter->GainHF = 1.0;
}

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2000 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include "alMain.h"
#include "AL/alc.h"
#include "alError.h"
#include "alListener.h"
#include "alSource.h"
AL_API ALvoid AL_APIENTRY alListenerf(ALenum eParam, ALfloat flValue)
{
ALCcontext *pContext;
ALboolean updateAll = AL_FALSE;
pContext = GetContextSuspended();
if(!pContext) return;
switch(eParam)
{
case AL_GAIN:
if(flValue >= 0.0f)
{
pContext->Listener.Gain = flValue;
updateAll = AL_TRUE;
}
else
alSetError(pContext, AL_INVALID_VALUE);
break;
case AL_METERS_PER_UNIT:
if(flValue > 0.0f)
{
pContext->Listener.MetersPerUnit = flValue;
updateAll = AL_TRUE;
}
else
alSetError(pContext, AL_INVALID_VALUE);
break;
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
// Force updating the sources for these parameters, since even head-
// relative sources are affected
if(updateAll)
{
ALsizei pos;
for(pos = 0;pos < pContext->SourceMap.size;pos++)
{
ALsource *source = pContext->SourceMap.array[pos].value;
source->NeedsUpdate = AL_TRUE;
}
}
ProcessContext(pContext);
}
AL_API ALvoid AL_APIENTRY alListener3f(ALenum eParam, ALfloat flValue1, ALfloat flValue2, ALfloat flValue3)
{
ALCcontext *pContext;
ALboolean updateWorld = AL_FALSE;
pContext = GetContextSuspended();
if(!pContext) return;
switch(eParam)
{
case AL_POSITION:
pContext->Listener.Position[0] = flValue1;
pContext->Listener.Position[1] = flValue2;
pContext->Listener.Position[2] = flValue3;
updateWorld = AL_TRUE;
break;
case AL_VELOCITY:
pContext->Listener.Velocity[0] = flValue1;
pContext->Listener.Velocity[1] = flValue2;
pContext->Listener.Velocity[2] = flValue3;
updateWorld = AL_TRUE;
break;
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
if(updateWorld)
{
ALsizei pos;
for(pos = 0;pos < pContext->SourceMap.size;pos++)
{
ALsource *source = pContext->SourceMap.array[pos].value;
if(!source->bHeadRelative)
source->NeedsUpdate = AL_TRUE;
}
}
ProcessContext(pContext);
}
AL_API ALvoid AL_APIENTRY alListenerfv(ALenum eParam, const ALfloat *pflValues)
{
ALCcontext *pContext;
ALboolean updateWorld = AL_FALSE;
pContext = GetContextSuspended();
if(!pContext) return;
if(pflValues)
{
switch(eParam)
{
case AL_GAIN:
case AL_METERS_PER_UNIT:
alListenerf(eParam, pflValues[0]);
break;
case AL_POSITION:
case AL_VELOCITY:
alListener3f(eParam, pflValues[0], pflValues[1], pflValues[2]);
break;
case AL_ORIENTATION:
// AT then UP
pContext->Listener.Forward[0] = pflValues[0];
pContext->Listener.Forward[1] = pflValues[1];
pContext->Listener.Forward[2] = pflValues[2];
pContext->Listener.Up[0] = pflValues[3];
pContext->Listener.Up[1] = pflValues[4];
pContext->Listener.Up[2] = pflValues[5];
updateWorld = AL_TRUE;
break;
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
}
else
alSetError(pContext, AL_INVALID_VALUE);
if(updateWorld)
{
ALsizei pos;
for(pos = 0;pos < pContext->SourceMap.size;pos++)
{
ALsource *source = pContext->SourceMap.array[pos].value;
if(!source->bHeadRelative)
source->NeedsUpdate = AL_TRUE;
}
}
ProcessContext(pContext);
}
AL_API ALvoid AL_APIENTRY alListeneri(ALenum eParam, ALint lValue)
{
ALCcontext *pContext;
(void)lValue;
pContext = GetContextSuspended();
if(!pContext) return;
switch(eParam)
{
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
ProcessContext(pContext);
}
AL_API void AL_APIENTRY alListener3i(ALenum eParam, ALint lValue1, ALint lValue2, ALint lValue3)
{
ALCcontext *pContext;
pContext = GetContextSuspended();
if(!pContext) return;
switch(eParam)
{
case AL_POSITION:
case AL_VELOCITY:
alListener3f(eParam, (ALfloat)lValue1, (ALfloat)lValue2, (ALfloat)lValue3);
break;
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
ProcessContext(pContext);
}
AL_API void AL_APIENTRY alListeneriv( ALenum eParam, const ALint* plValues )
{
ALCcontext *pContext;
ALfloat flValues[6];
pContext = GetContextSuspended();
if(!pContext) return;
if(plValues)
{
switch(eParam)
{
case AL_POSITION:
case AL_VELOCITY:
flValues[0] = (ALfloat)plValues[0];
flValues[1] = (ALfloat)plValues[1];
flValues[2] = (ALfloat)plValues[2];
alListenerfv(eParam, flValues);
break;
case AL_ORIENTATION:
flValues[0] = (ALfloat)plValues[0];
flValues[1] = (ALfloat)plValues[1];
flValues[2] = (ALfloat)plValues[2];
flValues[3] = (ALfloat)plValues[3];
flValues[4] = (ALfloat)plValues[4];
flValues[5] = (ALfloat)plValues[5];
alListenerfv(eParam, flValues);
break;
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
}
else
alSetError(pContext, AL_INVALID_VALUE);
ProcessContext(pContext);
}
AL_API ALvoid AL_APIENTRY alGetListenerf(ALenum eParam, ALfloat *pflValue)
{
ALCcontext *pContext;
pContext = GetContextSuspended();
if(!pContext) return;
if(pflValue)
{
switch(eParam)
{
case AL_GAIN:
*pflValue = pContext->Listener.Gain;
break;
case AL_METERS_PER_UNIT:
*pflValue = pContext->Listener.MetersPerUnit;
break;
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
}
else
alSetError(pContext, AL_INVALID_VALUE);
ProcessContext(pContext);
}
AL_API ALvoid AL_APIENTRY alGetListener3f(ALenum eParam, ALfloat *pflValue1, ALfloat *pflValue2, ALfloat *pflValue3)
{
ALCcontext *pContext;
pContext = GetContextSuspended();
if(!pContext) return;
if(pflValue1 && pflValue2 && pflValue3)
{
switch(eParam)
{
case AL_POSITION:
*pflValue1 = pContext->Listener.Position[0];
*pflValue2 = pContext->Listener.Position[1];
*pflValue3 = pContext->Listener.Position[2];
break;
case AL_VELOCITY:
*pflValue1 = pContext->Listener.Velocity[0];
*pflValue2 = pContext->Listener.Velocity[1];
*pflValue3 = pContext->Listener.Velocity[2];
break;
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
}
else
alSetError(pContext, AL_INVALID_VALUE);
ProcessContext(pContext);
}
AL_API ALvoid AL_APIENTRY alGetListenerfv(ALenum eParam, ALfloat *pflValues)
{
ALCcontext *pContext;
pContext = GetContextSuspended();
if(!pContext) return;
if(pflValues)
{
switch(eParam)
{
case AL_GAIN:
pflValues[0] = pContext->Listener.Gain;
break;
case AL_METERS_PER_UNIT:
pflValues[0] = pContext->Listener.MetersPerUnit;
break;
case AL_POSITION:
pflValues[0] = pContext->Listener.Position[0];
pflValues[1] = pContext->Listener.Position[1];
pflValues[2] = pContext->Listener.Position[2];
break;
case AL_VELOCITY:
pflValues[0] = pContext->Listener.Velocity[0];
pflValues[1] = pContext->Listener.Velocity[1];
pflValues[2] = pContext->Listener.Velocity[2];
break;
case AL_ORIENTATION:
// AT then UP
pflValues[0] = pContext->Listener.Forward[0];
pflValues[1] = pContext->Listener.Forward[1];
pflValues[2] = pContext->Listener.Forward[2];
pflValues[3] = pContext->Listener.Up[0];
pflValues[4] = pContext->Listener.Up[1];
pflValues[5] = pContext->Listener.Up[2];
break;
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
}
else
alSetError(pContext, AL_INVALID_VALUE);
ProcessContext(pContext);
}
AL_API ALvoid AL_APIENTRY alGetListeneri(ALenum eParam, ALint *plValue)
{
ALCcontext *pContext;
pContext = GetContextSuspended();
if(!pContext) return;
if(plValue)
{
switch(eParam)
{
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
}
else
alSetError(pContext, AL_INVALID_VALUE);
ProcessContext(pContext);
}
AL_API void AL_APIENTRY alGetListener3i(ALenum eParam, ALint *plValue1, ALint *plValue2, ALint *plValue3)
{
ALCcontext *pContext;
pContext = GetContextSuspended();
if(!pContext) return;
if(plValue1 && plValue2 && plValue3)
{
switch (eParam)
{
case AL_POSITION:
*plValue1 = (ALint)pContext->Listener.Position[0];
*plValue2 = (ALint)pContext->Listener.Position[1];
*plValue3 = (ALint)pContext->Listener.Position[2];
break;
case AL_VELOCITY:
*plValue1 = (ALint)pContext->Listener.Velocity[0];
*plValue2 = (ALint)pContext->Listener.Velocity[1];
*plValue3 = (ALint)pContext->Listener.Velocity[2];
break;
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
}
else
alSetError(pContext, AL_INVALID_VALUE);
ProcessContext(pContext);
}
AL_API void AL_APIENTRY alGetListeneriv(ALenum eParam, ALint* plValues)
{
ALCcontext *pContext;
pContext = GetContextSuspended();
if(!pContext) return;
if(plValues)
{
switch(eParam)
{
case AL_POSITION:
plValues[0] = (ALint)pContext->Listener.Position[0];
plValues[1] = (ALint)pContext->Listener.Position[1];
plValues[2] = (ALint)pContext->Listener.Position[2];
break;
case AL_VELOCITY:
plValues[0] = (ALint)pContext->Listener.Velocity[0];
plValues[1] = (ALint)pContext->Listener.Velocity[1];
plValues[2] = (ALint)pContext->Listener.Velocity[2];
break;
case AL_ORIENTATION:
// AT then UP
plValues[0] = (ALint)pContext->Listener.Forward[0];
plValues[1] = (ALint)pContext->Listener.Forward[1];
plValues[2] = (ALint)pContext->Listener.Forward[2];
plValues[3] = (ALint)pContext->Listener.Up[0];
plValues[4] = (ALint)pContext->Listener.Up[1];
plValues[5] = (ALint)pContext->Listener.Up[2];
break;
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
}
else
alSetError(pContext, AL_INVALID_VALUE);
ProcessContext(pContext);
}

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2000 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <stdlib.h>
#include "alMain.h"
#include "AL/alc.h"
#include "AL/alext.h"
#include "alError.h"
#include "alSource.h"
#include "alState.h"
#include "alDatabuffer.h"
static const ALchar alVendor[] = "OpenAL Community";
static const ALchar alVersion[] = "1.1 ALSOFT "ALSOFT_VERSION;
static const ALchar alRenderer[] = "OpenAL Soft";
// Error Messages
static const ALchar alNoError[] = "No Error";
static const ALchar alErrInvalidName[] = "Invalid Name";
static const ALchar alErrInvalidEnum[] = "Invalid Enum";
static const ALchar alErrInvalidValue[] = "Invalid Value";
static const ALchar alErrInvalidOp[] = "Invalid Operation";
static const ALchar alErrOutOfMemory[] = "Out of Memory";
AL_API ALvoid AL_APIENTRY alEnable(ALenum capability)
{
ALCcontext *Context;
ALboolean updateSources = AL_FALSE;
Context = GetContextSuspended();
if(!Context) return;
switch(capability)
{
case AL_SOURCE_DISTANCE_MODEL:
Context->SourceDistanceModel = AL_TRUE;
updateSources = AL_TRUE;
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
if(updateSources)
{
ALsizei pos;
for(pos = 0;pos < Context->SourceMap.size;pos++)
{
ALsource *source = Context->SourceMap.array[pos].value;
source->NeedsUpdate = AL_TRUE;
}
}
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alDisable(ALenum capability)
{
ALCcontext *Context;
ALboolean updateSources = AL_FALSE;
Context = GetContextSuspended();
if(!Context) return;
switch(capability)
{
case AL_SOURCE_DISTANCE_MODEL:
Context->SourceDistanceModel = AL_FALSE;
updateSources = AL_TRUE;
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
if(updateSources)
{
ALsizei pos;
for(pos = 0;pos < Context->SourceMap.size;pos++)
{
ALsource *source = Context->SourceMap.array[pos].value;
source->NeedsUpdate = AL_TRUE;
}
}
ProcessContext(Context);
}
AL_API ALboolean AL_APIENTRY alIsEnabled(ALenum capability)
{
ALCcontext *Context;
ALboolean value=AL_FALSE;
Context = GetContextSuspended();
if(!Context) return AL_FALSE;
switch(capability)
{
case AL_SOURCE_DISTANCE_MODEL:
value = Context->SourceDistanceModel;
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
ProcessContext(Context);
return value;
}
AL_API ALboolean AL_APIENTRY alGetBoolean(ALenum pname)
{
ALCcontext *Context;
ALboolean value=AL_FALSE;
Context = GetContextSuspended();
if(!Context) return AL_FALSE;
switch(pname)
{
case AL_DOPPLER_FACTOR:
if(Context->DopplerFactor != 0.0f)
value = AL_TRUE;
break;
case AL_DOPPLER_VELOCITY:
if(Context->DopplerVelocity != 0.0f)
value = AL_TRUE;
break;
case AL_DISTANCE_MODEL:
if(Context->DistanceModel == AL_INVERSE_DISTANCE_CLAMPED)
value = AL_TRUE;
break;
case AL_SPEED_OF_SOUND:
if(Context->flSpeedOfSound != 0.0f)
value = AL_TRUE;
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
ProcessContext(Context);
return value;
}
AL_API ALdouble AL_APIENTRY alGetDouble(ALenum pname)
{
ALCcontext *Context;
ALdouble value = 0.0;
Context = GetContextSuspended();
if(!Context) return 0.0;
switch(pname)
{
case AL_DOPPLER_FACTOR:
value = (double)Context->DopplerFactor;
break;
case AL_DOPPLER_VELOCITY:
value = (double)Context->DopplerVelocity;
break;
case AL_DISTANCE_MODEL:
value = (double)Context->DistanceModel;
break;
case AL_SPEED_OF_SOUND:
value = (double)Context->flSpeedOfSound;
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
ProcessContext(Context);
return value;
}
AL_API ALfloat AL_APIENTRY alGetFloat(ALenum pname)
{
ALCcontext *Context;
ALfloat value = 0.0f;
Context = GetContextSuspended();
if(!Context) return 0.0f;
switch(pname)
{
case AL_DOPPLER_FACTOR:
value = Context->DopplerFactor;
break;
case AL_DOPPLER_VELOCITY:
value = Context->DopplerVelocity;
break;
case AL_DISTANCE_MODEL:
value = (float)Context->DistanceModel;
break;
case AL_SPEED_OF_SOUND:
value = Context->flSpeedOfSound;
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
ProcessContext(Context);
return value;
}
AL_API ALint AL_APIENTRY alGetInteger(ALenum pname)
{
ALCcontext *Context;
ALint value = 0;
Context = GetContextSuspended();
if(!Context) return 0;
switch(pname)
{
case AL_DOPPLER_FACTOR:
value = (ALint)Context->DopplerFactor;
break;
case AL_DOPPLER_VELOCITY:
value = (ALint)Context->DopplerVelocity;
break;
case AL_DISTANCE_MODEL:
value = (ALint)Context->DistanceModel;
break;
case AL_SPEED_OF_SOUND:
value = (ALint)Context->flSpeedOfSound;
break;
case AL_SAMPLE_SOURCE_EXT:
if(Context->SampleSource)
value = (ALint)Context->SampleSource->databuffer;
else
value = 0;
break;
case AL_SAMPLE_SINK_EXT:
if(Context->SampleSink)
value = (ALint)Context->SampleSink->databuffer;
else
value = 0;
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
ProcessContext(Context);
return value;
}
AL_API ALvoid AL_APIENTRY alGetBooleanv(ALenum pname,ALboolean *data)
{
ALCcontext *Context;
Context = GetContextSuspended();
if(!Context) return;
if(data)
{
switch(pname)
{
case AL_DOPPLER_FACTOR:
*data = (ALboolean)((Context->DopplerFactor != 0.0f) ? AL_TRUE : AL_FALSE);
break;
case AL_DOPPLER_VELOCITY:
*data = (ALboolean)((Context->DopplerVelocity != 0.0f) ? AL_TRUE : AL_FALSE);
break;
case AL_DISTANCE_MODEL:
*data = (ALboolean)((Context->DistanceModel == AL_INVERSE_DISTANCE_CLAMPED) ? AL_TRUE : AL_FALSE);
break;
case AL_SPEED_OF_SOUND:
*data = (ALboolean)((Context->flSpeedOfSound != 0.0f) ? AL_TRUE : AL_FALSE);
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
}
else
{
// data is a NULL pointer
alSetError(Context, AL_INVALID_VALUE);
}
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alGetDoublev(ALenum pname,ALdouble *data)
{
ALCcontext *Context;
Context = GetContextSuspended();
if(!Context) return;
if(data)
{
switch(pname)
{
case AL_DOPPLER_FACTOR:
*data = (double)Context->DopplerFactor;
break;
case AL_DOPPLER_VELOCITY:
*data = (double)Context->DopplerVelocity;
break;
case AL_DISTANCE_MODEL:
*data = (double)Context->DistanceModel;
break;
case AL_SPEED_OF_SOUND:
*data = (double)Context->flSpeedOfSound;
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
}
else
{
// data is a NULL pointer
alSetError(Context, AL_INVALID_VALUE);
}
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alGetFloatv(ALenum pname,ALfloat *data)
{
ALCcontext *Context;
Context = GetContextSuspended();
if(!Context) return;
if(data)
{
switch(pname)
{
case AL_DOPPLER_FACTOR:
*data = Context->DopplerFactor;
break;
case AL_DOPPLER_VELOCITY:
*data = Context->DopplerVelocity;
break;
case AL_DISTANCE_MODEL:
*data = (float)Context->DistanceModel;
break;
case AL_SPEED_OF_SOUND:
*data = Context->flSpeedOfSound;
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
}
else
{
// data is a NULL pointer
alSetError(Context, AL_INVALID_VALUE);
}
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alGetIntegerv(ALenum pname,ALint *data)
{
ALCcontext *Context;
Context = GetContextSuspended();
if(!Context) return;
if(data)
{
switch(pname)
{
case AL_DOPPLER_FACTOR:
*data = (ALint)Context->DopplerFactor;
break;
case AL_DOPPLER_VELOCITY:
*data = (ALint)Context->DopplerVelocity;
break;
case AL_DISTANCE_MODEL:
*data = (ALint)Context->DistanceModel;
break;
case AL_SPEED_OF_SOUND:
*data = (ALint)Context->flSpeedOfSound;
break;
case AL_SAMPLE_SOURCE_EXT:
if(Context->SampleSource)
*data = (ALint)Context->SampleSource->databuffer;
else
*data = 0;
break;
case AL_SAMPLE_SINK_EXT:
if(Context->SampleSink)
*data = (ALint)Context->SampleSink->databuffer;
else
*data = 0;
break;
default:
alSetError(Context, AL_INVALID_ENUM);
break;
}
}
else
{
// data is a NULL pointer
alSetError(Context, AL_INVALID_VALUE);
}
ProcessContext(Context);
}
AL_API const ALchar* AL_APIENTRY alGetString(ALenum pname)
{
const ALchar *value;
ALCcontext *pContext;
pContext = GetContextSuspended();
if(!pContext) return NULL;
switch(pname)
{
case AL_VENDOR:
value=alVendor;
break;
case AL_VERSION:
value=alVersion;
break;
case AL_RENDERER:
value=alRenderer;
break;
case AL_EXTENSIONS:
value=pContext->ExtensionList;//alExtensions;
break;
case AL_NO_ERROR:
value=alNoError;
break;
case AL_INVALID_NAME:
value=alErrInvalidName;
break;
case AL_INVALID_ENUM:
value=alErrInvalidEnum;
break;
case AL_INVALID_VALUE:
value=alErrInvalidValue;
break;
case AL_INVALID_OPERATION:
value=alErrInvalidOp;
break;
case AL_OUT_OF_MEMORY:
value=alErrOutOfMemory;
break;
default:
value=NULL;
alSetError(pContext, AL_INVALID_ENUM);
break;
}
ProcessContext(pContext);
return value;
}
AL_API ALvoid AL_APIENTRY alDopplerFactor(ALfloat value)
{
ALCcontext *Context;
ALboolean updateSources = AL_FALSE;
Context = GetContextSuspended();
if(!Context) return;
if(value >= 0.0f)
{
Context->DopplerFactor = value;
updateSources = AL_TRUE;
}
else
alSetError(Context, AL_INVALID_VALUE);
// Force updating the sources for these parameters, since even head-
// relative sources are affected
if(updateSources)
{
ALsizei pos;
for(pos = 0;pos < Context->SourceMap.size;pos++)
{
ALsource *source = Context->SourceMap.array[pos].value;
source->NeedsUpdate = AL_TRUE;
}
}
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alDopplerVelocity(ALfloat value)
{
ALCcontext *Context;
ALboolean updateSources = AL_FALSE;
Context = GetContextSuspended();
if(!Context) return;
if(value > 0.0f)
{
Context->DopplerVelocity=value;
updateSources = AL_TRUE;
}
else
alSetError(Context, AL_INVALID_VALUE);
if(updateSources)
{
ALsizei pos;
for(pos = 0;pos < Context->SourceMap.size;pos++)
{
ALsource *source = Context->SourceMap.array[pos].value;
source->NeedsUpdate = AL_TRUE;
}
}
ProcessContext(Context);
}
AL_API ALvoid AL_APIENTRY alSpeedOfSound(ALfloat flSpeedOfSound)
{
ALCcontext *pContext;
ALboolean updateSources = AL_FALSE;
pContext = GetContextSuspended();
if(!pContext) return;
if(flSpeedOfSound > 0.0f)
{
pContext->flSpeedOfSound = flSpeedOfSound;
updateSources = AL_TRUE;
}
else
alSetError(pContext, AL_INVALID_VALUE);
if(updateSources)
{
ALsizei pos;
for(pos = 0;pos < pContext->SourceMap.size;pos++)
{
ALsource *source = pContext->SourceMap.array[pos].value;
source->NeedsUpdate = AL_TRUE;
}
}
ProcessContext(pContext);
}
AL_API ALvoid AL_APIENTRY alDistanceModel(ALenum value)
{
ALCcontext *Context;
ALboolean updateSources = AL_FALSE;
Context = GetContextSuspended();
if(!Context) return;
switch(value)
{
case AL_NONE:
case AL_INVERSE_DISTANCE:
case AL_INVERSE_DISTANCE_CLAMPED:
case AL_LINEAR_DISTANCE:
case AL_LINEAR_DISTANCE_CLAMPED:
case AL_EXPONENT_DISTANCE:
case AL_EXPONENT_DISTANCE_CLAMPED:
Context->DistanceModel = value;
updateSources = !Context->SourceDistanceModel;
break;
default:
alSetError(Context, AL_INVALID_VALUE);
break;
}
if(updateSources)
{
ALsizei pos;
for(pos = 0;pos < Context->SourceMap.size;pos++)
{
ALsource *source = Context->SourceMap.array[pos].value;
source->NeedsUpdate = AL_TRUE;
}
}
ProcessContext(Context);
}

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <stdlib.h>
#include "alMain.h"
#include "alThunk.h"
typedef struct {
ALvoid *ptr;
ALboolean InUse;
} ThunkEntry;
static ThunkEntry *g_ThunkArray;
static ALuint g_ThunkArraySize;
static CRITICAL_SECTION g_ThunkLock;
void alThunkInit(void)
{
InitializeCriticalSection(&g_ThunkLock);
g_ThunkArraySize = 1;
g_ThunkArray = calloc(1, g_ThunkArraySize * sizeof(ThunkEntry));
}
void alThunkExit(void)
{
free(g_ThunkArray);
g_ThunkArray = NULL;
g_ThunkArraySize = 0;
DeleteCriticalSection(&g_ThunkLock);
}
ALuint alThunkAddEntry(ALvoid *ptr)
{
ALuint index;
EnterCriticalSection(&g_ThunkLock);
for(index = 0;index < g_ThunkArraySize;index++)
{
if(g_ThunkArray[index].InUse == AL_FALSE)
break;
}
if(index == g_ThunkArraySize)
{
ThunkEntry *NewList;
NewList = realloc(g_ThunkArray, g_ThunkArraySize*2 * sizeof(ThunkEntry));
if(!NewList)
{
LeaveCriticalSection(&g_ThunkLock);
AL_PRINT("Realloc failed to increase to %u enties!\n", g_ThunkArraySize*2);
return 0;
}
memset(&NewList[g_ThunkArraySize], 0, g_ThunkArraySize*sizeof(ThunkEntry));
g_ThunkArraySize *= 2;
g_ThunkArray = NewList;
}
g_ThunkArray[index].ptr = ptr;
g_ThunkArray[index].InUse = AL_TRUE;
LeaveCriticalSection(&g_ThunkLock);
return index+1;
}
void alThunkRemoveEntry(ALuint index)
{
EnterCriticalSection(&g_ThunkLock);
if(index > 0 && index <= g_ThunkArraySize)
g_ThunkArray[index-1].InUse = AL_FALSE;
LeaveCriticalSection(&g_ThunkLock);
}
ALvoid *alThunkLookupEntry(ALuint index)
{
ALvoid *ptr = NULL;
EnterCriticalSection(&g_ThunkLock);
if(index > 0 && index <= g_ThunkArraySize)
ptr = g_ThunkArray[index-1].ptr;
LeaveCriticalSection(&g_ThunkLock);
return ptr;
}

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Source Install
==============
To install OpenAL Soft, use your favorite shell to go into the build/
directory, and run:
cmake ..
Assuming configuration went well, you can then build it, typically using GNU
Make (KDevelop, MSVC, and others are possible depending on your system setup
and CMake configuration).
Please Note: Double check that the appropriate backends were detected. Often,
complaints of no sound, crashing, and missing devices can be solved by making
sure the correct backends are being used. CMake's output will identify which
backends were enabled.
For most systems, you will likely want to make sure ALSA, OSS, and PulseAudio
were detected (if your target system uses them). For Windows, make sure
DirectSound was detected.
Utilities
=========
The source package comes with an informational utility, openal-info, and is
built by default. It prints out information provided by the ALC and AL sub-
systems, including discovered devices, version information, and extensions.
Configuration
=============
OpenAL Soft can be configured on a per-user and per-system basis. This allows
users and sysadmins to control information provided to applications, as well
as application-agnostic behavior of the library. See alsoftrc.sample for
available settings.
Acknowledgements
================
Special thanks go to:
Creative Labs for the original source code this is based off of.
Christopher Fitzgerald for the current reverb effect implementation, and
helping with the low-pass filter.
Christian Borss for the 3D panning code the current implementation is heavilly
based on.
Ben Davis for the idea behind the current click-removal code.

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# Cross-compiling requires CMake 2.6 or newer. To cross-compile, first modify
# this file to set the proper settings and paths. Then use it from build/ like:
# cmake .. -DCMAKE_TOOLCHAIN_FILE=../XCompile.txt \
# -DCMAKE_INSTALL_PREFIX=/usr/mingw32/mingw
# If you already have a toolchain file setup, you may use that instead of this
# file.
# the name of the target operating system
SET(CMAKE_SYSTEM_NAME Windows)
# which compilers to use for C and C++
SET(CMAKE_C_COMPILER mingw32-gcc)
SET(CMAKE_CXX_COMPILER mingw32-g++)
# here is the target environment located
SET(CMAKE_FIND_ROOT_PATH /usr/mingw32/mingw)
# adjust the default behaviour of the FIND_XXX() commands:
# search headers and libraries in the target environment, search
# programs in the host environment
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

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# OpenAL config file. Options that are not under a block or are under the
# [general] block are for general, non-backend-specific options. Blocks may
# appear multiple times, and duplicated options will take the last value
# specified.
# The system-wide settings can be put in /etc/openal/alsoft.conf and user-
# specific override settings in ~/.alsoftrc.
# For Windows, these settings should go into %AppData%\alsoft.ini
# The environment variable ALSOFT_CONF can be used to specify another config
# override
# Option and block names are case-insenstive. The supplied values are only
# hints and may not be honored (though generally it'll try to get as close as
# possible). Note: options that are left unset may default to app- or system-
# specified values. These are the current available settings:
## format:
# Sets the output format. Can be one of:
# AL_FORMAT_MONO8 (8-bit mono)
# AL_FORMAT_STEREO8 (8-bit stereo)
# AL_FORMAT_QUAD8 (8-bit 4-channel)
# AL_FORMAT_51CHN8 (8-bit 5.1 output)
# AL_FORMAT_61CHN8 (8-bit 6.1 output)
# AL_FORMAT_71CHN8 (8-bit 7.1 output)
# AL_FORMAT_MONO16 (16-bit mono)
# AL_FORMAT_STEREO16 (16-bit stereo)
# AL_FORMAT_QUAD16 (16-bit 4-channel)
# AL_FORMAT_51CHN16 (16-bit 5.1 output)
# AL_FORMAT_61CHN16 (16-bit 6.1 output)
# AL_FORMAT_71CHN16 (16-bit 7.1 output)
# AL_FORMAT_MONO32 (32-bit float mono)
# AL_FORMAT_STEREO32 (32-bit float stereo)
# AL_FORMAT_QUAD32 (32-bit float 4-channel)
# AL_FORMAT_51CHN32 (32-bit float 5.1 output)
# AL_FORMAT_61CHN32 (32-bit float 6.1 output)
# AL_FORMAT_71CHN32 (32-bit float 7.1 output)
#format = AL_FORMAT_STEREO16
## cf_level:
# Sets the crossfeed level for stereo output. Valid values are:
# 0 - No crossfeed
# 1 - Low crossfeed
# 2 - Middle crossfeed
# 3 - High crossfeed (virtual speakers are closer to itself)
# 4 - Low easy crossfeed
# 5 - Middle easy crossfeed
# 6 - High easy crossfeed
# Users of headphones may want to try various settings. Has no effect on non-
# stereo modes.
#cf_level = 0
## head_dampen:
# Sets the amount of dampening on sounds emanating from behind the listener.
# This is used to simulate the natural occlusion of the head, which is
# typically missing with mono and stereo output, and as such, only works on
# mono and stereo output modes. Valid values range from 0 to 1 (inclusive),
# and higher values provide a stronger effect.
#head_dampen = 0.25
## frequency:
# Sets the output frequency.
#frequency = 44100
## resampler:
# Selects the resampler used when mixing sources. Valid values are:
# 0 - None (nearest sample, no interpolation)
# 1 - Linear (extrapolates samples using a linear slope between samples)
# 2 - Cubic (extrapolates samples using a Catmull-Rom spline)
# Specifying other values will result in using the default (linear).
#resampler = 1
## rt-prio:
# Sets real-time priority for the mixing thread. Not all drivers may use this
# (eg. PortAudio) as they already control the priority of the mixing thread.
# 0 and negative values will disable it. Note that this may constitute a
# security risk since a real-time priority thread can indefinitely block
# normal-priority threads if it fails to wait. As such, the default is
# disabled.
#rt-prio = 0
## period_size:
# Sets the update period size, in frames. This is the number of frames needed
# for each mixing update.
#period_size = 1024
## periods:
# Sets the number of update periods. Higher values create a larger mix ahead,
# which helps protect against skips when the CPU is under load, but increases
# the delay between a sound getting mixed and being heard.
#periods = 4
## sources:
# Sets the maximum number of allocatable sources. Lower values may help for
# systems with apps that try to play more sounds than the CPU can handle.
#sources = 256
## stereodup:
# Sets whether to duplicate stereo sounds on the rear and side speakers for 4+
# channel output. This provides a "fuller" playback quality for 4+ channel
# output modes, although each individual speaker will have a slight reduction
# in volume to compensate for the extra output speakers. True, yes, on, and
# non-0 values will duplicate stereo sources. 0 and anything else will cause
# stereo sounds to only play out the front speakers. This only has an effect
# when a suitable output format is used (ie. those that contain side and/or
# rear speakers).
#stereodup = true
## scalemix:
# Sets whether to scale the remixed output. When the final mix is written to
# the device, the multi-channel data is remixed so pure-virtual channels (eg.
# front-center on stereo output) are remixed and added to available channels
# (eg. front-left and front-right). Scaling helps ensure that no single source
# will put out more than 100% on a given physical channel. This can cause a
# noticeable reduction in overall volume, however, so it is off by default.
#scalemix = false
## drivers:
# Sets the backend driver list order, comma-seperated. Unknown backends and
# duplicated names are ignored. Unlisted backends won't be considered for use
# unless the list is ended with a comma (eg. 'oss,' will list OSS first
# followed by all other available backends, while 'oss' will list OSS only).
# Backends prepended with - won't be available for use (eg. '-oss,' will allow
# all available backends except OSS). An empty list means the default.
#drivers = pulse,alsa,oss,solaris,dsound,winmm,port,null,wave
## excludefx:
# Sets which effects to exclude, preventing apps from using them. This can
# help for apps that try to use effects which are too CPU intensive for the
# system to handle. Available effects are: eaxreverb,reverb,echo,modulator
#excludefx =
## slots:
# Sets the maximum number of Auxiliary Effect Slots an app can create. A slot
# can use a non-negligible amount of CPU time if an effect is set on it even
# if no sources are feeding it, so this may help when apps use more than the
# system can handle.
#slots = 4
## sends:
# Sets the number of auxiliary sends per source. When not specified (default),
# it allows the app to request how many it wants. The maximum value currently
# possible is 4.
#sends =
## layout:
# Sets the virtual speaker layout. Values are specified in degrees, where 0 is
# straight in front, negative goes left, and positive goes right. Unspecified
# speakers will remain at their default positions (which are dependant on the
# output format). Available speakers are back-left(bl), side-left(sl), front-
# left(fl), front-center(fc), front-right(fr), side-right(sr), back-right(br),
# and back-center(bc).
#layout =
## layout_*:
# Channel-specific layouts may be specified to override the layout option. The
# same speakers as the layout option are available, and the default settings
# are shown below.
#layout_STEREO = fl=-90, fr=90
#layout_QUAD = fl=-45, fr=45, bl=-135, br=135
#layout_51CHN = fl=-30, fr=30, fc=0, bl=-110, br=110
#layout_61CHN = fl=-30, fr=30, fc=0, sl=-90, sr=90, bc=180
#layout_71CHN = fl=-30, fr=30, fc=0, sl=-90, sr=90, bl=-150, br=150
##
## ALSA backend stuff
##
[alsa]
## device:
# Sets the device name for the default playback device.
#device = default
## capture:
# Sets the device name for the default capture device.
#capture = default
## mmap:
# Sets whether to try using mmap mode (helps reduce latencies and CPU
# consumption). If mmap isn't available, it will automatically fall back to
# non-mmap mode. True, yes, on, and non-0 values will attempt to use mmap. 0
# and anything else will force mmap off.
#mmap = true
##
## OSS backend stuff
##
[oss]
## device:
# Sets the device name for OSS output.
#device = /dev/dsp
## capture:
# Sets the device name for OSS capture.
#capture = /dev/dsp
##
## Solaris backend stuff
##
[solaris]
## device:
# Sets the device name for Solaris output.
#device = /dev/audio
##
## DirectSound backend stuff
##
[dsound]
##
## Windows Multimedia backend stuff
##
[winmm]
##
## PortAudio backend stuff
##
[port]
## device:
# Sets the device index for output. Negative values will use the default as
# given by PortAudio itself.
#device = -1
## capture:
# Sets the device index for capture. Negative values will use the default as
# given by PortAudio itself.
#capture = -1
##
## PulseAudio backend stuff
##
[pulse]
## spawn-server:
# Attempts to spawn a PulseAudio server when requesting to open a PulseAudio
# device. Note that some apps may open and probe all enumerated devices on
# startup, causing a server to spawn even if a PulseAudio device is not
# actually selected. Setting autospawn to false in Pulse's client.conf will
# still prevent autospawning even if this is set to true.
#spawn-server = false
##
## Wave File Writer stuff
##
[wave]
## file:
# Sets the filename of the wave file to write to. An empty name prevents the
# backend from opening, even when explicitly requested.
# THIS WILL OVERWRITE EXISTING FILES WITHOUT QUESTION!
#file =

0
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# This is the CMakeCache file.
# For build in directory: /opt/fgfs/openal-soft-1.13/build
# It was generated by CMake: /usr/bin/cmake
# You can edit this file to change values found and used by cmake.
# If you do not want to change any of the values, simply exit the editor.
# If you do want to change a value, simply edit, save, and exit the editor.
# The syntax for the file is as follows:
# KEY:TYPE=VALUE
# KEY is the name of a variable in the cache.
# TYPE is a hint to GUIs for the type of VALUE, DO NOT EDIT TYPE!.
# VALUE is the current value for the KEY.
########################
# EXTERNAL cache entries
########################
//Check for ALSA backend
ALSA:BOOL=ON
//Install alsoft.conf configuration file
ALSOFT_CONFIG:BOOL=OFF
//Path to a program.
CMAKE_ADDR2LINE:FILEPATH=/usr/bin/addr2line
//Path to a program.
CMAKE_AR:FILEPATH=/usr/bin/ar
//For backwards compatibility, what version of CMake commands and
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//Enable/Disable color output during build.
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CMAKE_C_COMPILER_RANLIB:FILEPATH=/usr/bin/gcc-ranlib-11
//Flags used by the C compiler during all build types.
CMAKE_C_FLAGS:STRING=
//Flags used by the compiler during debug builds.
CMAKE_C_FLAGS_DEBUG:STRING=-g3 -D_DEBUG
//Flags used by the compiler during release minsize builds.
CMAKE_C_FLAGS_MINSIZEREL:STRING=-Os -DNDEBUG
//Flags used by the compiler during release builds
CMAKE_C_FLAGS_RELEASE:STRING=-O2 -fomit-frame-pointer -DNDEBUG
//Flags used by the compiler during Release with Debug Info builds.
CMAKE_C_FLAGS_RELWITHDEBINFO:STRING=-g -O2 -D_DEBUG
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CMAKE_DEBUG_POSTFIX:STRING=
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CMAKE_DLLTOOL:FILEPATH=CMAKE_DLLTOOL-NOTFOUND
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CMAKE_EXE_LINKER_FLAGS:STRING=
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CMAKE_EXE_LINKER_FLAGS_DEBUG:STRING=
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CMAKE_EXPORT_COMPILE_COMMANDS:BOOL=
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CMAKE_INSTALL_PREFIX:PATH=/opt/fgfs/dist
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CMAKE_LINKER:FILEPATH=/usr/bin/ld
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CMAKE_MAKE_PROGRAM:FILEPATH=/usr/bin/gmake
//Flags used by the linker during the creation of modules during
// all build types.
CMAKE_MODULE_LINKER_FLAGS:STRING=
//Flags used by the linker during the creation of modules during
// DEBUG builds.
CMAKE_MODULE_LINKER_FLAGS_DEBUG:STRING=
//Flags used by the linker during the creation of modules during
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CMAKE_MODULE_LINKER_FLAGS_MINSIZEREL:STRING=
//Flags used by the linker during the creation of modules during
// RELEASE builds.
CMAKE_MODULE_LINKER_FLAGS_RELEASE:STRING=
//Flags used by the linker during the creation of modules during
// RELWITHDEBINFO builds.
CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO:STRING=
//Path to a program.
CMAKE_NM:FILEPATH=/usr/bin/nm
//Path to a program.
CMAKE_OBJCOPY:FILEPATH=/usr/bin/objcopy
//Path to a program.
CMAKE_OBJDUMP:FILEPATH=/usr/bin/objdump
//Value Computed by CMake
CMAKE_PROJECT_DESCRIPTION:STATIC=
//Value Computed by CMake
CMAKE_PROJECT_HOMEPAGE_URL:STATIC=
//Value Computed by CMake
CMAKE_PROJECT_NAME:STATIC=OpenAL
//Path to a program.
CMAKE_RANLIB:FILEPATH=/usr/bin/ranlib
//Path to a program.
CMAKE_READELF:FILEPATH=/usr/bin/readelf
//Flags used by the linker during the creation of shared libraries
// during all build types.
CMAKE_SHARED_LINKER_FLAGS:STRING=
//Flags used by the linker during the creation of shared libraries
// during DEBUG builds.
CMAKE_SHARED_LINKER_FLAGS_DEBUG:STRING=
//Flags used by the linker during the creation of shared libraries
// during MINSIZEREL builds.
CMAKE_SHARED_LINKER_FLAGS_MINSIZEREL:STRING=
//Flags used by the linker during the creation of shared libraries
// during RELEASE builds.
CMAKE_SHARED_LINKER_FLAGS_RELEASE:STRING=
//Flags used by the linker during the creation of shared libraries
// during RELWITHDEBINFO builds.
CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO:STRING=
//If set, runtime paths are not added when installing shared libraries,
// but are added when building.
CMAKE_SKIP_INSTALL_RPATH:BOOL=NO
//If set, runtime paths are not added when using shared libraries.
CMAKE_SKIP_RPATH:BOOL=NO
//Flags used by the linker during the creation of static libraries
// during all build types.
CMAKE_STATIC_LINKER_FLAGS:STRING=
//Flags used by the linker during the creation of static libraries
// during DEBUG builds.
CMAKE_STATIC_LINKER_FLAGS_DEBUG:STRING=
//Flags used by the linker during the creation of static libraries
// during MINSIZEREL builds.
CMAKE_STATIC_LINKER_FLAGS_MINSIZEREL:STRING=
//Flags used by the linker during the creation of static libraries
// during RELEASE builds.
CMAKE_STATIC_LINKER_FLAGS_RELEASE:STRING=
//Flags used by the linker during the creation of static libraries
// during RELWITHDEBINFO builds.
CMAKE_STATIC_LINKER_FLAGS_RELWITHDEBINFO:STRING=
//Path to a program.
CMAKE_STRIP:FILEPATH=/usr/bin/strip
//If this value is on, makefiles will be generated without the
// .SILENT directive, and all commands will be echoed to the console
// during the make. This is useful for debugging only. With Visual
// Studio IDE projects all commands are done without /nologo.
CMAKE_VERBOSE_MAKEFILE:BOOL=FALSE
//Check for the dlopen API for loading optional libs
DLOPEN:BOOL=ON
//Check for DirectSound backend
DSOUND:BOOL=ON
//Single output directory for building all executables.
EXECUTABLE_OUTPUT_PATH:PATH=
//Single output directory for building all libraries.
LIBRARY_OUTPUT_PATH:PATH=
//Check for OSS backend
OSS:BOOL=ON
//Value Computed by CMake
OpenAL_BINARY_DIR:STATIC=/opt/fgfs/openal-soft-1.13/build
//Value Computed by CMake
OpenAL_IS_TOP_LEVEL:STATIC=ON
//Value Computed by CMake
OpenAL_SOURCE_DIR:STATIC=/opt/fgfs/openal-soft-1.13
//Check for PortAudio backend
PORTAUDIO:BOOL=ON
//Check for PulseAudio backend
PULSEAUDIO:BOOL=ON
//Check for Solaris backend
SOLARIS:BOOL=ON
//Build and install utility programs
UTILS:BOOL=ON
//Enable Wave Writer backend
WAVE:BOOL=ON
//Treat compile warnings as errors
WERROR:BOOL=OFF
//Check for Windows Multimedia backend
WINMM:BOOL=ON
//Dependencies for the target
openal_LIB_DEPENDS:STATIC=general;rt;general;pthread;general;dl;general;m;general;-pthread;
########################
# INTERNAL cache entries
########################
//ADVANCED property for variable: CMAKE_ADDR2LINE
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/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp/CheckIncludeFile.c:1:10: fatal error: dsound.h: No such file or directory
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collapse obj [/usr/lib/gcc/x86_64-linux-gnu/11/../../../x86_64-linux-gnu/crtn.o] ==> [/usr/lib/x86_64-linux-gnu/crtn.o]
collapse library dir [/usr/lib/gcc/x86_64-linux-gnu/11] ==> [/usr/lib/gcc/x86_64-linux-gnu/11]
collapse library dir [/usr/lib/gcc/x86_64-linux-gnu/11/../../../x86_64-linux-gnu] ==> [/usr/lib/x86_64-linux-gnu]
collapse library dir [/usr/lib/gcc/x86_64-linux-gnu/11/../../../../lib] ==> [/usr/lib]
collapse library dir [/lib/x86_64-linux-gnu] ==> [/lib/x86_64-linux-gnu]
collapse library dir [/lib/../lib] ==> [/lib]
collapse library dir [/usr/lib/x86_64-linux-gnu] ==> [/usr/lib/x86_64-linux-gnu]
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gmake[1]: Entering directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_11b27.dir/CheckFunctionExists.c.o
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=powf -o CMakeFiles/cmTC_11b27.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.22/Modules/CheckFunctionExists.c
<command-line>: warning: conflicting types for built-in function 'powf'; expected 'float(float, float)' [-Wbuiltin-declaration-mismatch]
/usr/share/cmake-3.22/Modules/CheckFunctionExists.c:7:3: note: in expansion of macro 'CHECK_FUNCTION_EXISTS'
7 | CHECK_FUNCTION_EXISTS(void);
| ^~~~~~~~~~~~~~~~~~~~~
/usr/share/cmake-3.22/Modules/CheckFunctionExists.c:1:1: note: 'powf' is declared in header '<math.h>'
+++ |+#include <math.h>
1 | #ifdef CHECK_FUNCTION_EXISTS
Linking C executable cmTC_11b27
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_11b27.dir/link.txt --verbose=1
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=powf -rdynamic CMakeFiles/cmTC_11b27.dir/CheckFunctionExists.c.o -o cmTC_11b27 -lm
gmake[1]: Leaving directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Determining if the function sqrtf exists in the m passed with the following output:
Change Dir: /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_48812/fast && /usr/bin/gmake -f CMakeFiles/cmTC_48812.dir/build.make CMakeFiles/cmTC_48812.dir/build
gmake[1]: Entering directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_48812.dir/CheckFunctionExists.c.o
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=sqrtf -o CMakeFiles/cmTC_48812.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.22/Modules/CheckFunctionExists.c
<command-line>: warning: conflicting types for built-in function 'sqrtf'; expected 'float(float)' [-Wbuiltin-declaration-mismatch]
/usr/share/cmake-3.22/Modules/CheckFunctionExists.c:7:3: note: in expansion of macro 'CHECK_FUNCTION_EXISTS'
7 | CHECK_FUNCTION_EXISTS(void);
| ^~~~~~~~~~~~~~~~~~~~~
/usr/share/cmake-3.22/Modules/CheckFunctionExists.c:1:1: note: 'sqrtf' is declared in header '<math.h>'
+++ |+#include <math.h>
1 | #ifdef CHECK_FUNCTION_EXISTS
Linking C executable cmTC_48812
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_48812.dir/link.txt --verbose=1
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=sqrtf -rdynamic CMakeFiles/cmTC_48812.dir/CheckFunctionExists.c.o -o cmTC_48812 -lm
gmake[1]: Leaving directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Determining if the function acosf exists in the m passed with the following output:
Change Dir: /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_eb9f7/fast && /usr/bin/gmake -f CMakeFiles/cmTC_eb9f7.dir/build.make CMakeFiles/cmTC_eb9f7.dir/build
gmake[1]: Entering directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_eb9f7.dir/CheckFunctionExists.c.o
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=acosf -o CMakeFiles/cmTC_eb9f7.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.22/Modules/CheckFunctionExists.c
<command-line>: warning: conflicting types for built-in function 'acosf'; expected 'float(float)' [-Wbuiltin-declaration-mismatch]
/usr/share/cmake-3.22/Modules/CheckFunctionExists.c:7:3: note: in expansion of macro 'CHECK_FUNCTION_EXISTS'
7 | CHECK_FUNCTION_EXISTS(void);
| ^~~~~~~~~~~~~~~~~~~~~
/usr/share/cmake-3.22/Modules/CheckFunctionExists.c:1:1: note: 'acosf' is declared in header '<math.h>'
+++ |+#include <math.h>
1 | #ifdef CHECK_FUNCTION_EXISTS
Linking C executable cmTC_eb9f7
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_eb9f7.dir/link.txt --verbose=1
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=acosf -rdynamic CMakeFiles/cmTC_eb9f7.dir/CheckFunctionExists.c.o -o cmTC_eb9f7 -lm
gmake[1]: Leaving directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Determining if the function atanf exists in the m passed with the following output:
Change Dir: /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_7a8f3/fast && /usr/bin/gmake -f CMakeFiles/cmTC_7a8f3.dir/build.make CMakeFiles/cmTC_7a8f3.dir/build
gmake[1]: Entering directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_7a8f3.dir/CheckFunctionExists.c.o
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=atanf -o CMakeFiles/cmTC_7a8f3.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.22/Modules/CheckFunctionExists.c
<command-line>: warning: conflicting types for built-in function 'atanf'; expected 'float(float)' [-Wbuiltin-declaration-mismatch]
/usr/share/cmake-3.22/Modules/CheckFunctionExists.c:7:3: note: in expansion of macro 'CHECK_FUNCTION_EXISTS'
7 | CHECK_FUNCTION_EXISTS(void);
| ^~~~~~~~~~~~~~~~~~~~~
/usr/share/cmake-3.22/Modules/CheckFunctionExists.c:1:1: note: 'atanf' is declared in header '<math.h>'
+++ |+#include <math.h>
1 | #ifdef CHECK_FUNCTION_EXISTS
Linking C executable cmTC_7a8f3
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_7a8f3.dir/link.txt --verbose=1
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=atanf -rdynamic CMakeFiles/cmTC_7a8f3.dir/CheckFunctionExists.c.o -o cmTC_7a8f3 -lm
gmake[1]: Leaving directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Determining if the function fabsf exists in the m passed with the following output:
Change Dir: /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_4cfa1/fast && /usr/bin/gmake -f CMakeFiles/cmTC_4cfa1.dir/build.make CMakeFiles/cmTC_4cfa1.dir/build
gmake[1]: Entering directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_4cfa1.dir/CheckFunctionExists.c.o
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=fabsf -o CMakeFiles/cmTC_4cfa1.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.22/Modules/CheckFunctionExists.c
<command-line>: warning: conflicting types for built-in function 'fabsf'; expected 'float(float)' [-Wbuiltin-declaration-mismatch]
/usr/share/cmake-3.22/Modules/CheckFunctionExists.c:7:3: note: in expansion of macro 'CHECK_FUNCTION_EXISTS'
7 | CHECK_FUNCTION_EXISTS(void);
| ^~~~~~~~~~~~~~~~~~~~~
/usr/share/cmake-3.22/Modules/CheckFunctionExists.c:1:1: note: 'fabsf' is declared in header '<math.h>'
+++ |+#include <math.h>
1 | #ifdef CHECK_FUNCTION_EXISTS
Linking C executable cmTC_4cfa1
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_4cfa1.dir/link.txt --verbose=1
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=fabsf -rdynamic CMakeFiles/cmTC_4cfa1.dir/CheckFunctionExists.c.o -o cmTC_4cfa1 -lm
gmake[1]: Leaving directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Determining if the function fesetround exists in the m passed with the following output:
Change Dir: /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_91014/fast && /usr/bin/gmake -f CMakeFiles/cmTC_91014.dir/build.make CMakeFiles/cmTC_91014.dir/build
gmake[1]: Entering directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_91014.dir/CheckFunctionExists.c.o
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=fesetround -o CMakeFiles/cmTC_91014.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.22/Modules/CheckFunctionExists.c
<command-line>: warning: conflicting types for built-in function 'fesetround'; expected 'int(int)' [-Wbuiltin-declaration-mismatch]
<command-line>: note: in definition of macro 'CHECK_FUNCTION_EXISTS'
Linking C executable cmTC_91014
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_91014.dir/link.txt --verbose=1
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=fesetround -rdynamic CMakeFiles/cmTC_91014.dir/CheckFunctionExists.c.o -o cmTC_91014 -lm
gmake[1]: Leaving directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Determining if the function strtof exists passed with the following output:
Change Dir: /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_5ee10/fast && /usr/bin/gmake -f CMakeFiles/cmTC_5ee10.dir/build.make CMakeFiles/cmTC_5ee10.dir/build
gmake[1]: Entering directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_5ee10.dir/CheckFunctionExists.c.o
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=strtof -o CMakeFiles/cmTC_5ee10.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.22/Modules/CheckFunctionExists.c
Linking C executable cmTC_5ee10
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_5ee10.dir/link.txt --verbose=1
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=strtof -rdynamic CMakeFiles/cmTC_5ee10.dir/CheckFunctionExists.c.o -o cmTC_5ee10
gmake[1]: Leaving directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Determining if the function stat exists passed with the following output:
Change Dir: /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_b7dfd/fast && /usr/bin/gmake -f CMakeFiles/cmTC_b7dfd.dir/build.make CMakeFiles/cmTC_b7dfd.dir/build
gmake[1]: Entering directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_b7dfd.dir/CheckFunctionExists.c.o
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=stat -o CMakeFiles/cmTC_b7dfd.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.22/Modules/CheckFunctionExists.c
Linking C executable cmTC_b7dfd
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_b7dfd.dir/link.txt --verbose=1
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=stat -rdynamic CMakeFiles/cmTC_b7dfd.dir/CheckFunctionExists.c.o -o cmTC_b7dfd
gmake[1]: Leaving directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Determining if the function strcasecmp exists passed with the following output:
Change Dir: /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_f52ec/fast && /usr/bin/gmake -f CMakeFiles/cmTC_f52ec.dir/build.make CMakeFiles/cmTC_f52ec.dir/build
gmake[1]: Entering directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_f52ec.dir/CheckFunctionExists.c.o
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=strcasecmp -o CMakeFiles/cmTC_f52ec.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.22/Modules/CheckFunctionExists.c
<command-line>: warning: conflicting types for built-in function 'strcasecmp'; expected 'int(const char *, const char *)' [-Wbuiltin-declaration-mismatch]
<command-line>: note: in definition of macro 'CHECK_FUNCTION_EXISTS'
Linking C executable cmTC_f52ec
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_f52ec.dir/link.txt --verbose=1
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=strcasecmp -rdynamic CMakeFiles/cmTC_f52ec.dir/CheckFunctionExists.c.o -o cmTC_f52ec
gmake[1]: Leaving directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Determining if the function strncasecmp exists passed with the following output:
Change Dir: /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_ca791/fast && /usr/bin/gmake -f CMakeFiles/cmTC_ca791.dir/build.make CMakeFiles/cmTC_ca791.dir/build
gmake[1]: Entering directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_ca791.dir/CheckFunctionExists.c.o
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=strncasecmp -o CMakeFiles/cmTC_ca791.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.22/Modules/CheckFunctionExists.c
<command-line>: warning: conflicting types for built-in function 'strncasecmp'; expected 'int(const char *, const char *, long unsigned int)' [-Wbuiltin-declaration-mismatch]
<command-line>: note: in definition of macro 'CHECK_FUNCTION_EXISTS'
Linking C executable cmTC_ca791
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_ca791.dir/link.txt --verbose=1
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=strncasecmp -rdynamic CMakeFiles/cmTC_ca791.dir/CheckFunctionExists.c.o -o cmTC_ca791
gmake[1]: Leaving directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Determining if the function snprintf exists passed with the following output:
Change Dir: /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_2ff04/fast && /usr/bin/gmake -f CMakeFiles/cmTC_2ff04.dir/build.make CMakeFiles/cmTC_2ff04.dir/build
gmake[1]: Entering directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_2ff04.dir/CheckFunctionExists.c.o
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=snprintf -o CMakeFiles/cmTC_2ff04.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.22/Modules/CheckFunctionExists.c
<command-line>: warning: conflicting types for built-in function 'snprintf'; expected 'int(char *, long unsigned int, const char *, ...)' [-Wbuiltin-declaration-mismatch]
/usr/share/cmake-3.22/Modules/CheckFunctionExists.c:7:3: note: in expansion of macro 'CHECK_FUNCTION_EXISTS'
7 | CHECK_FUNCTION_EXISTS(void);
| ^~~~~~~~~~~~~~~~~~~~~
/usr/share/cmake-3.22/Modules/CheckFunctionExists.c:1:1: note: 'snprintf' is declared in header '<stdio.h>'
+++ |+#include <stdio.h>
1 | #ifdef CHECK_FUNCTION_EXISTS
Linking C executable cmTC_2ff04
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_2ff04.dir/link.txt --verbose=1
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=snprintf -rdynamic CMakeFiles/cmTC_2ff04.dir/CheckFunctionExists.c.o -o cmTC_2ff04
gmake[1]: Leaving directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Determining if the function vsnprintf exists passed with the following output:
Change Dir: /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_870fd/fast && /usr/bin/gmake -f CMakeFiles/cmTC_870fd.dir/build.make CMakeFiles/cmTC_870fd.dir/build
gmake[1]: Entering directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_870fd.dir/CheckFunctionExists.c.o
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=vsnprintf -o CMakeFiles/cmTC_870fd.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.22/Modules/CheckFunctionExists.c
<command-line>: warning: conflicting types for built-in function 'vsnprintf'; expected 'int(char *, long unsigned int, const char *, __va_list_tag *)' [-Wbuiltin-declaration-mismatch]
/usr/share/cmake-3.22/Modules/CheckFunctionExists.c:7:3: note: in expansion of macro 'CHECK_FUNCTION_EXISTS'
7 | CHECK_FUNCTION_EXISTS(void);
| ^~~~~~~~~~~~~~~~~~~~~
/usr/share/cmake-3.22/Modules/CheckFunctionExists.c:1:1: note: 'vsnprintf' is declared in header '<stdio.h>'
+++ |+#include <stdio.h>
1 | #ifdef CHECK_FUNCTION_EXISTS
Linking C executable cmTC_870fd
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_870fd.dir/link.txt --verbose=1
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=vsnprintf -rdynamic CMakeFiles/cmTC_870fd.dir/CheckFunctionExists.c.o -o cmTC_870fd
gmake[1]: Leaving directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Determining if the isnan exist passed with the following output:
Change Dir: /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_1b950/fast && /usr/bin/gmake -f CMakeFiles/cmTC_1b950.dir/build.make CMakeFiles/cmTC_1b950.dir/build
gmake[1]: Entering directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_1b950.dir/CheckSymbolExists.c.o
/usr/bin/cc -o CMakeFiles/cmTC_1b950.dir/CheckSymbolExists.c.o -c /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c
Linking C executable cmTC_1b950
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_1b950.dir/link.txt --verbose=1
/usr/bin/cc -rdynamic CMakeFiles/cmTC_1b950.dir/CheckSymbolExists.c.o -o cmTC_1b950
gmake[1]: Leaving directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
File /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <math.h>
int main(int argc, char** argv)
{
(void)argv;
#ifndef isnan
return ((int*)(&isnan))[argc];
#else
(void)argc;
return 0;
#endif
}
Determining if the include file dlfcn.h exists passed with the following output:
Change Dir: /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_33897/fast && /usr/bin/gmake -f CMakeFiles/cmTC_33897.dir/build.make CMakeFiles/cmTC_33897.dir/build
gmake[1]: Entering directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_33897.dir/CheckIncludeFile.c.o
/usr/bin/cc -o CMakeFiles/cmTC_33897.dir/CheckIncludeFile.c.o -c /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp/CheckIncludeFile.c
Linking C executable cmTC_33897
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_33897.dir/link.txt --verbose=1
/usr/bin/cc -rdynamic CMakeFiles/cmTC_33897.dir/CheckIncludeFile.c.o -o cmTC_33897
gmake[1]: Leaving directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Determining if the function dlopen exists in the dl passed with the following output:
Change Dir: /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_29c51/fast && /usr/bin/gmake -f CMakeFiles/cmTC_29c51.dir/build.make CMakeFiles/cmTC_29c51.dir/build
gmake[1]: Entering directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_29c51.dir/CheckFunctionExists.c.o
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=dlopen -o CMakeFiles/cmTC_29c51.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.22/Modules/CheckFunctionExists.c
Linking C executable cmTC_29c51
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_29c51.dir/link.txt --verbose=1
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=dlopen -rdynamic CMakeFiles/cmTC_29c51.dir/CheckFunctionExists.c.o -o cmTC_29c51 -ldl
gmake[1]: Leaving directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Determining if the function gettimeofday exists passed with the following output:
Change Dir: /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_7f0e3/fast && /usr/bin/gmake -f CMakeFiles/cmTC_7f0e3.dir/build.make CMakeFiles/cmTC_7f0e3.dir/build
gmake[1]: Entering directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_7f0e3.dir/CheckFunctionExists.c.o
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=gettimeofday -o CMakeFiles/cmTC_7f0e3.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.22/Modules/CheckFunctionExists.c
Linking C executable cmTC_7f0e3
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_7f0e3.dir/link.txt --verbose=1
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=gettimeofday -rdynamic CMakeFiles/cmTC_7f0e3.dir/CheckFunctionExists.c.o -o cmTC_7f0e3
gmake[1]: Leaving directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Determining if the function nanosleep exists passed with the following output:
Change Dir: /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_a1638/fast && /usr/bin/gmake -f CMakeFiles/cmTC_a1638.dir/build.make CMakeFiles/cmTC_a1638.dir/build
gmake[1]: Entering directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_a1638.dir/CheckFunctionExists.c.o
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=nanosleep -o CMakeFiles/cmTC_a1638.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.22/Modules/CheckFunctionExists.c
Linking C executable cmTC_a1638
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_a1638.dir/link.txt --verbose=1
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=nanosleep -rdynamic CMakeFiles/cmTC_a1638.dir/CheckFunctionExists.c.o -o cmTC_a1638
gmake[1]: Leaving directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Performing C SOURCE FILE Test HAVE_PTHREAD succeded with the following output:
Change Dir: /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_4261e/fast && /usr/bin/gmake -f CMakeFiles/cmTC_4261e.dir/build.make CMakeFiles/cmTC_4261e.dir/build
gmake[1]: Entering directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_4261e.dir/src.c.o
/usr/bin/cc -pthread -o CMakeFiles/cmTC_4261e.dir/src.c.o -c /opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp/src.c
Linking C executable cmTC_4261e
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_4261e.dir/link.txt --verbose=1
/usr/bin/cc -pthread -rdynamic CMakeFiles/cmTC_4261e.dir/src.c.o -o cmTC_4261e
gmake[1]: Leaving directory '/opt/fgfs/openal-soft-1.13/build/CMakeFiles/CMakeTmp'
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/usr/include/x86_64-linux-gnu/bits/stdint-intn.h /usr/include/endian.h \
/usr/include/x86_64-linux-gnu/bits/endian.h \
/usr/include/x86_64-linux-gnu/bits/endianness.h \
/usr/include/x86_64-linux-gnu/bits/byteswap.h \
/usr/include/x86_64-linux-gnu/bits/uintn-identity.h \
/usr/include/x86_64-linux-gnu/sys/select.h \
/usr/include/x86_64-linux-gnu/bits/select.h \
/usr/include/x86_64-linux-gnu/bits/types/sigset_t.h \
/usr/include/x86_64-linux-gnu/bits/types/__sigset_t.h \
/usr/include/x86_64-linux-gnu/bits/types/struct_timeval.h \
/usr/include/x86_64-linux-gnu/bits/types/struct_timespec.h \
/usr/include/x86_64-linux-gnu/bits/select2.h \
/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h \
/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h \
/usr/include/x86_64-linux-gnu/bits/pthreadtypes-arch.h \
/usr/include/x86_64-linux-gnu/bits/atomic_wide_counter.h \
/usr/include/x86_64-linux-gnu/bits/struct_mutex.h \
/usr/include/x86_64-linux-gnu/bits/struct_rwlock.h /usr/include/alloca.h \
/usr/include/x86_64-linux-gnu/bits/stdlib-bsearch.h \
/usr/include/x86_64-linux-gnu/bits/stdlib-float.h \
/usr/include/x86_64-linux-gnu/bits/stdlib.h \
/opt/fgfs/openal-soft-1.13/OpenAL32/Include/alMain.h \
/usr/include/string.h /usr/include/strings.h \
/usr/include/x86_64-linux-gnu/bits/strings_fortified.h \
/usr/include/x86_64-linux-gnu/bits/string_fortified.h \
/usr/include/stdio.h /usr/lib/gcc/x86_64-linux-gnu/11/include/stdarg.h \
/usr/include/x86_64-linux-gnu/bits/types/__fpos_t.h \
/usr/include/x86_64-linux-gnu/bits/types/__mbstate_t.h \
/usr/include/x86_64-linux-gnu/bits/types/__fpos64_t.h \
/usr/include/x86_64-linux-gnu/bits/types/__FILE.h \
/usr/include/x86_64-linux-gnu/bits/types/FILE.h \
/usr/include/x86_64-linux-gnu/bits/types/struct_FILE.h \
/usr/include/x86_64-linux-gnu/bits/types/cookie_io_functions_t.h \
/usr/include/x86_64-linux-gnu/bits/stdio_lim.h \
/usr/include/x86_64-linux-gnu/bits/stdio.h \
/usr/include/x86_64-linux-gnu/bits/stdio2.h /usr/include/fenv.h \
/usr/include/x86_64-linux-gnu/bits/fenv.h \
/opt/fgfs/openal-soft-1.13/include/AL/al.h \
/opt/fgfs/openal-soft-1.13/include/AL/alc.h \
/opt/fgfs/openal-soft-1.13/include/AL/alext.h \
/opt/fgfs/openal-soft-1.13/include/AL/efx.h \
/usr/lib/gcc/x86_64-linux-gnu/11/include/stdint.h /usr/include/stdint.h \
/usr/include/x86_64-linux-gnu/bits/wchar.h \
/usr/include/x86_64-linux-gnu/bits/stdint-uintn.h /usr/include/unistd.h \
/usr/include/x86_64-linux-gnu/bits/posix_opt.h \
/usr/include/x86_64-linux-gnu/bits/environments.h \
/usr/include/x86_64-linux-gnu/bits/confname.h \
/usr/include/x86_64-linux-gnu/bits/getopt_posix.h \
/usr/include/x86_64-linux-gnu/bits/getopt_core.h \
/usr/include/x86_64-linux-gnu/bits/unistd.h \
/usr/include/x86_64-linux-gnu/bits/unistd_ext.h \
/usr/include/linux/close_range.h /usr/include/assert.h \
/usr/include/pthread.h /usr/include/sched.h \
/usr/include/x86_64-linux-gnu/bits/sched.h \
/usr/include/x86_64-linux-gnu/bits/types/struct_sched_param.h \
/usr/include/x86_64-linux-gnu/bits/cpu-set.h /usr/include/time.h \
/usr/include/x86_64-linux-gnu/bits/time.h \
/usr/include/x86_64-linux-gnu/bits/timex.h \
/usr/include/x86_64-linux-gnu/bits/types/struct_tm.h \
/usr/include/x86_64-linux-gnu/bits/types/struct_itimerspec.h \
/usr/include/x86_64-linux-gnu/bits/setjmp.h \
/usr/include/x86_64-linux-gnu/bits/types/struct___jmp_buf_tag.h \
/usr/include/x86_64-linux-gnu/bits/pthread_stack_min-dynamic.h \
/usr/include/x86_64-linux-gnu/sys/time.h /usr/include/errno.h \
/usr/include/x86_64-linux-gnu/bits/errno.h /usr/include/linux/errno.h \
/usr/include/x86_64-linux-gnu/asm/errno.h \
/usr/include/asm-generic/errno.h /usr/include/asm-generic/errno-base.h \
/usr/include/x86_64-linux-gnu/bits/types/error_t.h \
/opt/fgfs/openal-soft-1.13/OpenAL32/Include/alListener.h \
/opt/fgfs/openal-soft-1.13/OpenAL32/Include/alu.h \
/usr/lib/gcc/x86_64-linux-gnu/11/include/limits.h \
/usr/lib/gcc/x86_64-linux-gnu/11/include/syslimits.h \
/usr/include/limits.h /usr/include/x86_64-linux-gnu/bits/posix1_lim.h \
/usr/include/x86_64-linux-gnu/bits/local_lim.h \
/usr/include/linux/limits.h \
/usr/include/x86_64-linux-gnu/bits/posix2_lim.h \
/usr/include/x86_64-linux-gnu/bits/xopen_lim.h \
/usr/include/x86_64-linux-gnu/bits/uio_lim.h /usr/include/math.h \
/usr/include/x86_64-linux-gnu/bits/math-vector.h \
/usr/include/x86_64-linux-gnu/bits/libm-simd-decl-stubs.h \
/usr/include/x86_64-linux-gnu/bits/flt-eval-method.h \
/usr/include/x86_64-linux-gnu/bits/fp-logb.h \
/usr/include/x86_64-linux-gnu/bits/fp-fast.h \
/usr/include/x86_64-linux-gnu/bits/mathcalls-helper-functions.h \
/usr/include/x86_64-linux-gnu/bits/mathcalls.h \
/usr/include/x86_64-linux-gnu/bits/mathcalls-narrow.h \
/usr/include/x86_64-linux-gnu/bits/iscanonical.h \
/usr/lib/gcc/x86_64-linux-gnu/11/include/float.h \
/opt/fgfs/openal-soft-1.13/OpenAL32/Include/alThunk.h

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