271 lines
7.0 KiB
C
271 lines
7.0 KiB
C
/*
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* iaxclient: a cross-platform IAX softphone library
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*
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* Copyrights:
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* Copyright (C) 2003-2006, Horizon Wimba, Inc.
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* Copyright (C) 2007, Wimba, Inc.
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*
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* Contributors:
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* Steve Kann <stevek@stevek.com>
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* Michael Van Donselaar <mvand@vandonselaar.org>
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* Shawn Lawrence <shawn.lawrence@terracecomm.com>
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*
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* This program is free software, distributed under the terms of
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* the GNU Lesser (Library) General Public License.
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*/
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#ifndef _iaxclient_lib_h
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#define _iaxclient_lib_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* This is the internal include file for IAXCLIENT -- externally
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* accessible APIs should be declared in iaxclient.h */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include <string.h>
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#if defined(WIN32) || defined(_WIN32_WCE)
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#include "winpoop.h"
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#if !defined(_WIN32_WCE)
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#include <process.h>
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#endif
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#include <stddef.h>
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#include <time.h>
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#else
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <sys/time.h>
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#include <pthread.h>
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#endif
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#ifdef USE_FFMPEG
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// To access to check_ff function
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#include "codec_ffmpeg.h"
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#endif
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#include <stdlib.h>
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#include <math.h>
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#include "spandsp/plc.h"
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/* os-dependent macros, etc */
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#if defined(WIN32) || defined(_WIN32_WCE)
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#define THREAD HANDLE
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#define THREADID unsigned
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#define THREADCREATE(func, args, thread, id) \
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(thread = (HANDLE)_beginthreadex(NULL, 0, func, (PVOID)args, 0, &id))
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#define THREADCREATE_ERROR NULL
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#define THREADFUNCDECL(func) unsigned __stdcall func(PVOID args)
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#define THREADFUNCRET(r) int r = 0
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#define THREADJOIN(t)
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/* causes deadlock with wx GUI on MSW */
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/* #define THREADJOIN(t) WaitForSingleObject(t, INFINITE) */
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#ifndef _WIN32_WINNT
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extern WINBASEAPI BOOL WINAPI TryEnterCriticalSection( LPCRITICAL_SECTION lpCriticalSection );
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#endif
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#define MUTEX CRITICAL_SECTION
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#define MUTEXINIT(m) InitializeCriticalSection(m)
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#define MUTEXLOCK(m) EnterCriticalSection(m)
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#define MUTEXTRYLOCK(m) (!TryEnterCriticalSection(m))
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#define MUTEXUNLOCK(m) LeaveCriticalSection(m)
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#define MUTEXDESTROY(m) DeleteCriticalSection(m)
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#else
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#define THREAD pthread_t
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#define THREADID unsigned /* unused for Posix Threads */
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#define THREADCREATE(func, args, thread, id) \
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pthread_create(&thread, NULL, func, args)
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#define THREADCREATE_ERROR -1
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#define THREADFUNCDECL(func) void * func(void *args)
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#define THREADFUNCRET(r) void * r = 0
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#define THREADJOIN(t) pthread_join(t, 0)
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#define MUTEX pthread_mutex_t
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#define MUTEXINIT(m) pthread_mutex_init(m, NULL) //TODO: check error
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#define MUTEXLOCK(m) pthread_mutex_lock(m)
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#define MUTEXTRYLOCK(m) pthread_mutex_trylock(m)
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#define MUTEXUNLOCK(m) pthread_mutex_unlock(m)
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#define MUTEXDESTROY(m) pthread_mutex_destroy(m)
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#endif
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#ifdef MACOSX
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#include <mach/mach_init.h>
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#include <mach/thread_policy.h>
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#include <sched.h>
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#include <sys/sysctl.h>
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#endif
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#define MAXARGS 10
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#define MAXARG 256
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#define MAX_SESSIONS 4
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#define OUT_INTERVAL 20
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/* millisecond interval to time out calls */
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#define IAXC_CALL_TIMEOUT 30000
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void os_init(void);
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void iaxci_usermsg(int type, const char *fmt, ...);
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void iaxci_do_levels_callback(float input, float output);
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void iaxci_do_audio_callback(int callNo, unsigned int ts, int remote,
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int encoded, int format, int size, unsigned char *data);
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#include "iaxclient.h"
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struct iaxc_audio_driver {
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/* data */
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char *name; /* driver name */
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struct iaxc_audio_device *devices; /* list of devices */
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int nDevices; /* count of devices */
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void *priv; /* pointer to private data */
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/* methods */
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int (*initialize)(struct iaxc_audio_driver *d, int sample_rate);
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int (*destroy)(struct iaxc_audio_driver *d); /* free resources */
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int (*select_devices)(struct iaxc_audio_driver *d, int input, int output, int ring);
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int (*selected_devices)(struct iaxc_audio_driver *d, int *input, int *output, int *ring);
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/*
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* select_ring ?
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* set_latency
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*/
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int (*start)(struct iaxc_audio_driver *d);
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int (*stop)(struct iaxc_audio_driver *d);
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int (*output)(struct iaxc_audio_driver *d, void *samples, int nSamples);
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int (*input)(struct iaxc_audio_driver *d, void *samples, int *nSamples);
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/* levels */
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float (*input_level_get)(struct iaxc_audio_driver *d);
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float (*output_level_get)(struct iaxc_audio_driver *d);
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int (*input_level_set)(struct iaxc_audio_driver *d, float level);
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int (*output_level_set)(struct iaxc_audio_driver *d, float level);
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/* sounds */
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int (*play_sound)(struct iaxc_sound *s, int ring);
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int (*stop_sound)(int id);
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/* mic boost */
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int (*mic_boost_get)(struct iaxc_audio_driver *d ) ;
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int (*mic_boost_set)(struct iaxc_audio_driver *d, int enable);
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};
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struct iaxc_audio_codec {
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char name[256];
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int format;
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int minimum_frame_size;
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void *encstate;
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void *decstate;
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int (*encode) ( struct iaxc_audio_codec *codec, int *inlen, short *in, int *outlen, unsigned char *out );
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int (*decode) ( struct iaxc_audio_codec *codec, int *inlen, unsigned char *in, int *outlen, short *out );
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void (*destroy) ( struct iaxc_audio_codec *codec);
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};
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#define MAX_TRUNK_LEN (1<<16)
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#define MAX_NO_SLICES 32
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struct slice_set_t
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{
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int num_slices;
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int key_frame;
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int size[MAX_NO_SLICES];
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char data[MAX_NO_SLICES][MAX_TRUNK_LEN];
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};
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struct iaxc_video_codec {
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char name[256];
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int format;
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int width;
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int height;
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int framerate;
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int bitrate;
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int fragsize;
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int params_changed;
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void *encstate;
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void *decstate;
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struct iaxc_video_stats video_stats;
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int (*encode)(struct iaxc_video_codec * codec, int inlen,
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const char * in, struct slice_set_t * out);
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int (*decode)(struct iaxc_video_codec * codec, int inlen,
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const char * in, int * outlen, char * out);
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void (*destroy)(struct iaxc_video_codec * codec);
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};
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struct iaxc_call {
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/* to be replaced with codec-structures, with codec-private data */
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struct iaxc_audio_codec *encoder;
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struct iaxc_audio_codec *decoder;
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struct iaxc_video_codec *vencoder;
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struct iaxc_video_codec *vdecoder;
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int vformat;
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/* the "state" of this call */
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int state;
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char remote[IAXC_EVENT_BUFSIZ];
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char remote_name[IAXC_EVENT_BUFSIZ];
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char local[IAXC_EVENT_BUFSIZ];
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char local_context[IAXC_EVENT_BUFSIZ];
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/* Outbound CallerID */
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char callerid_name[IAXC_EVENT_BUFSIZ];
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char callerid_number[IAXC_EVENT_BUFSIZ];
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/* reset whenever we receive packets from remote */
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struct timeval last_activity;
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struct timeval last_ping;
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/* our negotiated format */
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int format;
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/* we've sent a silent frame since the last audio frame */
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int tx_silent;
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struct iax_session *session;
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};
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#include "audio_encode.h"
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#ifdef AUDIO_PA
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#include "audio_portaudio.h"
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#endif
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#include "audio_file.h"
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#ifdef AUDIO_OPENAL
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#include "audio_openal.h"
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#endif
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extern int iaxci_audio_output_mode;
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int iaxci_post_event_callback(iaxc_event e);
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/* post an event to the application */
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void iaxci_post_event(iaxc_event e);
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/* parameters for callback */
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extern void * post_event_handle;
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extern int post_event_id;
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/* Priority boost support */
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extern int iaxci_prioboostbegin(void);
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extern int iaxci_prioboostend(void);
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long iaxci_usecdiff(struct timeval *t0, struct timeval *t1);
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long iaxci_msecdiff(struct timeval *t0, struct timeval *t1);
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#ifdef __cplusplus
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}
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#endif
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#endif
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