509 lines
19 KiB
C
509 lines
19 KiB
C
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/* ----------------------------------------------------------------- */
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/* The HMM-Based Speech Synthesis Engine "hts_engine API" */
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/* developed by HTS Working Group */
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/* http://hts-engine.sourceforge.net/ */
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/* ----------------------------------------------------------------- */
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/* */
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/* Copyright (c) 2001-2015 Nagoya Institute of Technology */
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/* Department of Computer Science */
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/* */
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/* 2001-2008 Tokyo Institute of Technology */
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/* Interdisciplinary Graduate School of */
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/* Science and Engineering */
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/* */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or */
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/* without modification, are permitted provided that the following */
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/* conditions are met: */
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/* */
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/* - Redistributions of source code must retain the above copyright */
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/* notice, this list of conditions and the following disclaimer. */
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/* - Redistributions in binary form must reproduce the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer in the documentation and/or other materials provided */
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/* with the distribution. */
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/* - Neither the name of the HTS working group nor the names of its */
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/* contributors may be used to endorse or promote products derived */
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/* from this software without specific prior written permission. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND */
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/* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, */
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/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
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/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
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/* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS */
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/* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, */
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/* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED */
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/* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, */
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/* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON */
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/* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, */
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/* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY */
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/* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
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/* POSSIBILITY OF SUCH DAMAGE. */
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/* ----------------------------------------------------------------- */
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#ifndef HTS_AUDIO_C
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#define HTS_AUDIO_C
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#ifdef __cplusplus
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#define HTS_AUDIO_C_START extern "C" {
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#define HTS_AUDIO_C_END }
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#else
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#define HTS_AUDIO_C_START
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#define HTS_AUDIO_C_END
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#endif /* __CPLUSPLUS */
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HTS_AUDIO_C_START;
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#if !defined(AUDIO_PLAY_WIN32) && !defined(AUDIO_PLAY_PORTAUDIO) && !defined(AUDIO_PLAY_NONE)
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#if defined(__WINCE__) || defined(_WINCE) || defined(_WINCE) || defined(__WINCE) || defined(__WIN32__) || defined(__WIN32) || defined(_WIN32) || defined(WIN32) || defined(__CYGWIN__) || defined(__MINGW32__)
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#define AUDIO_PLAY_WIN32
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#else
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#define AUDIO_PLAY_NONE
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#endif /* __WINCE__ || _WINCE || _WINCE || __WINCE || __WIN32__ || __WIN32 || _WIN32 || WIN32 || __CYGWIN__ || __MINGW32__ */
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#endif /* !AUDIO_PLAY_WIN32 && !AUDIO_PLAY_PORTAUDIO && !AUDIO_PLAY_NONE */
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/* hts_engine libralies */
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#include "HTS_hidden.h"
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#ifdef AUDIO_PLAY_WIN32
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#include <windows.h>
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#include <mmsystem.h>
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#define AUDIO_WAIT_BUFF_MS 10 /* wait time (0.01 sec) */
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#define AUDIO_CHANNEL 1 /* monaural */
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#ifdef _M_X64
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#define AUDIO_POINTER_TYPE DWORD_PTR
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#else
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#define AUDIO_POINTER_TYPE DWORD
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#endif
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/* HTS_Audio: audio interface for Windows */
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typedef struct _HTS_AudioInterface {
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HWAVEOUT hwaveout; /* audio device handle */
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WAVEFORMATEX waveformatex; /* wave formatex */
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unsigned char which_buff; /* double buffering flag */
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HTS_Boolean now_buff_1; /* double buffering flag */
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HTS_Boolean now_buff_2; /* double buffering flag */
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WAVEHDR buff_1; /* buffer */
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WAVEHDR buff_2; /* buffer */
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} HTS_AudioInterface;
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/* HTS_AudioInterface_callback_function: callback function from audio device */
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static void CALLBACK HTS_AudioInterface_callback_function(HWAVEOUT hwaveout, UINT msg, AUDIO_POINTER_TYPE user_data, AUDIO_POINTER_TYPE param1, AUDIO_POINTER_TYPE param2)
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{
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WAVEHDR *wavehdr = (WAVEHDR *) param1;
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HTS_AudioInterface *audio_interface = (HTS_AudioInterface *) user_data;
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if (msg == MM_WOM_DONE && wavehdr && (wavehdr->dwFlags & WHDR_DONE)) {
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if (audio_interface->now_buff_1 == TRUE && wavehdr == &(audio_interface->buff_1)) {
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audio_interface->now_buff_1 = FALSE;
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} else if (audio_interface->now_buff_2 == TRUE && wavehdr == &(audio_interface->buff_2)) {
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audio_interface->now_buff_2 = FALSE;
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}
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}
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}
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/* HTS_AudioInterface_write: send buffer to audio device */
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static HTS_Boolean HTS_AudioInterface_write(HTS_AudioInterface * audio_interface, const short *buff, size_t buff_size)
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{
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MMRESULT result;
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if (audio_interface->which_buff == 1) {
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while (audio_interface->now_buff_1 == TRUE)
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Sleep(AUDIO_WAIT_BUFF_MS);
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audio_interface->now_buff_1 = TRUE;
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audio_interface->which_buff = 2;
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memcpy(audio_interface->buff_1.lpData, buff, buff_size * sizeof(short));
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audio_interface->buff_1.dwBufferLength = (DWORD) buff_size *sizeof(short);
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result = waveOutWrite(audio_interface->hwaveout, &(audio_interface->buff_1), sizeof(WAVEHDR));
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} else {
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while (audio_interface->now_buff_2 == TRUE)
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Sleep(AUDIO_WAIT_BUFF_MS);
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audio_interface->now_buff_2 = TRUE;
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audio_interface->which_buff = 1;
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memcpy(audio_interface->buff_2.lpData, buff, buff_size * sizeof(short));
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audio_interface->buff_2.dwBufferLength = (DWORD) buff_size *sizeof(short);
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result = waveOutWrite(audio_interface->hwaveout, &(audio_interface->buff_2), sizeof(WAVEHDR));
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}
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if (result != MMSYSERR_NOERROR)
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HTS_error(0, "hts_engine: Cannot send datablocks to your output audio device to play waveform.\n");
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return (result == MMSYSERR_NOERROR) ? TRUE : FALSE;
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}
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/* HTS_AudioInterface_close: close audio device */
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static void HTS_AudioInterface_close(HTS_AudioInterface * audio_interface)
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{
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MMRESULT result;
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/* stop audio */
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result = waveOutReset(audio_interface->hwaveout);
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if (result != MMSYSERR_NOERROR)
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HTS_error(0, "hts_engine: Cannot stop and reset your output audio device.\n");
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/* unprepare */
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result = waveOutUnprepareHeader(audio_interface->hwaveout, &(audio_interface->buff_1), sizeof(WAVEHDR));
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if (result != MMSYSERR_NOERROR)
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HTS_error(0, "hts_engine: Cannot cleanup the audio datablocks to play waveform.\n");
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result = waveOutUnprepareHeader(audio_interface->hwaveout, &(audio_interface->buff_2), sizeof(WAVEHDR));
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if (result != MMSYSERR_NOERROR)
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HTS_error(0, "hts_engine: Cannot cleanup the audio datablocks to play waveform.\n");
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/* close */
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result = waveOutClose(audio_interface->hwaveout);
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if (result != MMSYSERR_NOERROR)
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HTS_error(0, "hts_engine: Failed to close your output audio device.\n");
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if (audio_interface->buff_1.lpData != NULL)
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HTS_free(audio_interface->buff_1.lpData);
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if (audio_interface->buff_2.lpData != NULL)
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HTS_free(audio_interface->buff_2.lpData);
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HTS_free(audio_interface);
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}
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static HTS_AudioInterface *HTS_AudioInterface_open(size_t sampling_frequency, size_t max_buff_size)
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{
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HTS_AudioInterface *audio_interface;
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MMRESULT result;
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/* make audio interface */
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audio_interface = (HTS_AudioInterface *) HTS_calloc(1, sizeof(HTS_AudioInterface));
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audio_interface->hwaveout = 0;
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audio_interface->which_buff = 1;
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audio_interface->now_buff_1 = FALSE;
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audio_interface->now_buff_2 = FALSE;
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/* format */
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audio_interface->waveformatex.wFormatTag = WAVE_FORMAT_PCM;
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audio_interface->waveformatex.nChannels = AUDIO_CHANNEL;
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audio_interface->waveformatex.nSamplesPerSec = (DWORD) sampling_frequency;
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audio_interface->waveformatex.wBitsPerSample = sizeof(short) * 8;
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audio_interface->waveformatex.nBlockAlign = AUDIO_CHANNEL * audio_interface->waveformatex.wBitsPerSample / 8;
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audio_interface->waveformatex.nAvgBytesPerSec = (DWORD) sampling_frequency *audio_interface->waveformatex.nBlockAlign;
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/* open */
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result = waveOutOpen(&audio_interface->hwaveout, WAVE_MAPPER, &audio_interface->waveformatex, (AUDIO_POINTER_TYPE) HTS_AudioInterface_callback_function, (AUDIO_POINTER_TYPE) audio_interface, CALLBACK_FUNCTION);
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if (result != MMSYSERR_NOERROR) {
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HTS_error(0, "hts_engine: Failed to open your output audio_interface device to play waveform.\n");
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HTS_free(audio_interface);
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return NULL;
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}
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/* prepare */
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audio_interface->buff_1.lpData = (LPSTR) HTS_calloc(max_buff_size, sizeof(short));
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audio_interface->buff_1.dwBufferLength = (DWORD) max_buff_size *sizeof(short);
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audio_interface->buff_1.dwFlags = WHDR_BEGINLOOP | WHDR_ENDLOOP;
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audio_interface->buff_1.dwLoops = 1;
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audio_interface->buff_1.lpNext = 0;
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audio_interface->buff_1.reserved = 0;
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result = waveOutPrepareHeader(audio_interface->hwaveout, &(audio_interface->buff_1), sizeof(WAVEHDR));
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if (result != MMSYSERR_NOERROR) {
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HTS_error(0, "hts_engine: Cannot initialize audio_interface datablocks to play waveform.\n");
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HTS_free(audio_interface->buff_1.lpData);
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HTS_free(audio_interface);
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return NULL;
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}
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audio_interface->buff_2.lpData = (LPSTR) HTS_calloc(max_buff_size, sizeof(short));
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audio_interface->buff_2.dwBufferLength = (DWORD) max_buff_size *sizeof(short);
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audio_interface->buff_2.dwFlags = WHDR_BEGINLOOP | WHDR_ENDLOOP;
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audio_interface->buff_2.dwLoops = 1;
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audio_interface->buff_2.lpNext = 0;
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audio_interface->buff_2.reserved = 0;
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result = waveOutPrepareHeader(audio_interface->hwaveout, &(audio_interface->buff_2), sizeof(WAVEHDR));
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if (result != MMSYSERR_NOERROR) {
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HTS_error(0, "hts_engine: Cannot initialize audio_interface datablocks to play waveform.\n");
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HTS_free(audio_interface->buff_1.lpData);
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HTS_free(audio_interface->buff_2.lpData);
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HTS_free(audio_interface);
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return NULL;
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}
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return audio_interface;
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}
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/* HTS_Audio_initialize: initialize audio */
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void HTS_Audio_initialize(HTS_Audio * audio)
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{
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if (audio == NULL)
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return;
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audio->sampling_frequency = 0;
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audio->max_buff_size = 0;
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audio->buff = NULL;
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audio->buff_size = 0;
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audio->audio_interface = NULL;
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}
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/* HTS_Audio_set_parameter: set parameters for audio */
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void HTS_Audio_set_parameter(HTS_Audio * audio, size_t sampling_frequency, size_t max_buff_size)
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{
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if (audio == NULL)
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return;
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if (audio->sampling_frequency == sampling_frequency && audio->max_buff_size == max_buff_size)
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return;
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HTS_Audio_clear(audio);
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if (sampling_frequency == 0 || max_buff_size == 0)
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return;
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audio->audio_interface = HTS_AudioInterface_open(sampling_frequency, max_buff_size);
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if (audio->audio_interface == NULL)
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return;
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audio->sampling_frequency = sampling_frequency;
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audio->max_buff_size = max_buff_size;
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audio->buff = (short *) HTS_calloc(max_buff_size, sizeof(short));
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audio->buff_size = 0;
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}
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/* HTS_Audio_write: send data to audio */
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void HTS_Audio_write(HTS_Audio * audio, short data)
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{
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if (audio == NULL || audio->audio_interface == NULL)
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return;
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audio->buff[audio->buff_size++] = data;
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if (audio->buff_size >= audio->max_buff_size) {
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if (HTS_AudioInterface_write((HTS_AudioInterface *) audio->audio_interface, audio->buff, audio->buff_size) != TRUE) {
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HTS_Audio_clear(audio);
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return;
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}
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audio->buff_size = 0;
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}
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}
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/* HTS_Audio_flush: flush remain data */
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void HTS_Audio_flush(HTS_Audio * audio)
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{
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HTS_AudioInterface *audio_interface;
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if (audio == NULL || audio->audio_interface == NULL)
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return;
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audio_interface = (HTS_AudioInterface *) audio->audio_interface;
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if (audio->buff_size > 0) {
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if (HTS_AudioInterface_write(audio_interface, audio->buff, audio->buff_size) != TRUE) {
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HTS_Audio_clear(audio);
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return;
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}
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audio->buff_size = 0;
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}
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while (audio_interface->now_buff_1 == TRUE || audio_interface->now_buff_2 == TRUE)
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Sleep(AUDIO_WAIT_BUFF_MS);
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}
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/* HTS_Audio_clear: free audio */
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void HTS_Audio_clear(HTS_Audio * audio)
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{
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HTS_AudioInterface *audio_interface;
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if (audio == NULL || audio->audio_interface == NULL)
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return;
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audio_interface = (HTS_AudioInterface *) audio->audio_interface;
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HTS_AudioInterface_close(audio_interface);
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if (audio->buff != NULL)
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free(audio->buff);
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HTS_Audio_initialize(audio);
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}
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#endif /* AUDIO_PLAY_WIN32 */
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#ifdef AUDIO_PLAY_PORTAUDIO
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#include "portaudio.h"
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/* HTS_AudioInterface: audio output for PortAudio */
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typedef struct _HTS_AudioInterface {
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PaStreamParameters parameters; /* parameters for output stream */
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PaStream *stream; /* output stream */
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} HTS_AudioInterface;
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/* HTS_AudioInterface_write: send data to audio device */
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static void HTS_AudioInterface_write(HTS_AudioInterface * audio_interface, const short *buff, size_t buff_size)
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{
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PaError err;
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err = Pa_WriteStream(audio_interface->stream, buff, buff_size);
|
||
|
|
if (err != paNoError && err != paOutputUnderflowed)
|
||
|
|
HTS_error(0, "hts_engine: Cannot send datablocks to your output audio device to play waveform.\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
/* HTS_AudioInterface_close: close audio device */
|
||
|
|
static void HTS_AudioInterface_close(HTS_AudioInterface * audio_interface)
|
||
|
|
{
|
||
|
|
PaError err;
|
||
|
|
|
||
|
|
err = Pa_StopStream(audio_interface->stream);
|
||
|
|
if (err != paNoError)
|
||
|
|
HTS_error(0, "hts_engine: Cannot stop your output audio device.\n");
|
||
|
|
err = Pa_CloseStream(audio_interface->stream);
|
||
|
|
if (err != paNoError)
|
||
|
|
HTS_error(0, "hts_engine: Failed to close your output audio device.\n");
|
||
|
|
Pa_Terminate();
|
||
|
|
|
||
|
|
HTS_free(audio_interface);
|
||
|
|
}
|
||
|
|
|
||
|
|
static HTS_AudioInterface *HTS_AudioInterface_open(size_t sampling_frequency, size_t max_buff_size)
|
||
|
|
{
|
||
|
|
HTS_AudioInterface *audio_interface;
|
||
|
|
PaError err;
|
||
|
|
|
||
|
|
audio_interface = HTS_calloc(1, sizeof(HTS_AudioInterface));
|
||
|
|
audio_interface->stream = NULL;
|
||
|
|
|
||
|
|
err = Pa_Initialize();
|
||
|
|
if (err != paNoError) {
|
||
|
|
HTS_error(0, "hts_engine: Failed to initialize your output audio device to play waveform.\n");
|
||
|
|
HTS_free(audio_interface);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
audio_interface->parameters.device = Pa_GetDefaultOutputDevice();
|
||
|
|
audio_interface->parameters.channelCount = 1;
|
||
|
|
audio_interface->parameters.sampleFormat = paInt16;
|
||
|
|
audio_interface->parameters.suggestedLatency = Pa_GetDeviceInfo(audio_interface->parameters.device)->defaultLowOutputLatency;
|
||
|
|
audio_interface->parameters.hostApiSpecificStreamInfo = NULL;
|
||
|
|
|
||
|
|
err = Pa_OpenStream(&audio_interface->stream, NULL, &audio_interface->parameters, sampling_frequency, max_buff_size, paClipOff, NULL, NULL);
|
||
|
|
if (err != paNoError) {
|
||
|
|
HTS_error(0, "hts_engine: Failed to open your output audio device to play waveform.\n");
|
||
|
|
Pa_Terminate();
|
||
|
|
HTS_free(audio_interface);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
err = Pa_StartStream(audio_interface->stream);
|
||
|
|
if (err != paNoError) {
|
||
|
|
HTS_error(0, "hts_engine: Failed to start your output audio device to play waveform.\n");
|
||
|
|
Pa_CloseStream(audio_interface->stream);
|
||
|
|
Pa_Terminate();
|
||
|
|
HTS_free(audio_interface);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return audio_interface;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* HTS_Audio_initialize: initialize audio */
|
||
|
|
void HTS_Audio_initialize(HTS_Audio * audio)
|
||
|
|
{
|
||
|
|
if (audio == NULL)
|
||
|
|
return;
|
||
|
|
|
||
|
|
audio->sampling_frequency = 0;
|
||
|
|
audio->max_buff_size = 0;
|
||
|
|
audio->buff = NULL;
|
||
|
|
audio->buff_size = 0;
|
||
|
|
audio->audio_interface = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* HTS_Audio_set_parameter: set parameters for audio */
|
||
|
|
void HTS_Audio_set_parameter(HTS_Audio * audio, size_t sampling_frequency, size_t max_buff_size)
|
||
|
|
{
|
||
|
|
if (audio == NULL)
|
||
|
|
return;
|
||
|
|
|
||
|
|
if (audio->sampling_frequency == sampling_frequency && audio->max_buff_size == max_buff_size)
|
||
|
|
return;
|
||
|
|
|
||
|
|
HTS_Audio_clear(audio);
|
||
|
|
|
||
|
|
if (sampling_frequency == 0 || max_buff_size == 0)
|
||
|
|
return;
|
||
|
|
|
||
|
|
audio->audio_interface = HTS_AudioInterface_open(sampling_frequency, max_buff_size);
|
||
|
|
if (audio->audio_interface == NULL)
|
||
|
|
return;
|
||
|
|
|
||
|
|
audio->sampling_frequency = sampling_frequency;
|
||
|
|
audio->max_buff_size = max_buff_size;
|
||
|
|
audio->buff = (short *) HTS_calloc(max_buff_size, sizeof(short));
|
||
|
|
audio->buff_size = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* HTS_Audio_write: send data to audio device */
|
||
|
|
void HTS_Audio_write(HTS_Audio * audio, short data)
|
||
|
|
{
|
||
|
|
if (audio == NULL)
|
||
|
|
return;
|
||
|
|
|
||
|
|
audio->buff[audio->buff_size++] = data;
|
||
|
|
|
||
|
|
if (audio->buff_size >= audio->max_buff_size) {
|
||
|
|
if (audio->audio_interface != NULL)
|
||
|
|
HTS_AudioInterface_write((HTS_AudioInterface *) audio->audio_interface, audio->buff, audio->max_buff_size);
|
||
|
|
audio->buff_size = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* HTS_Audio_flush: flush remain data */
|
||
|
|
void HTS_Audio_flush(HTS_Audio * audio)
|
||
|
|
{
|
||
|
|
HTS_AudioInterface *audio_interface;
|
||
|
|
|
||
|
|
if (audio == NULL || audio->audio_interface == NULL)
|
||
|
|
return;
|
||
|
|
|
||
|
|
audio_interface = (HTS_AudioInterface *) audio->audio_interface;
|
||
|
|
if (audio->buff_size > 0) {
|
||
|
|
HTS_AudioInterface_write(audio_interface, audio->buff, audio->buff_size);
|
||
|
|
audio->buff_size = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* HTS_Audio_clear: free audio */
|
||
|
|
void HTS_Audio_clear(HTS_Audio * audio)
|
||
|
|
{
|
||
|
|
HTS_AudioInterface *audio_interface;
|
||
|
|
|
||
|
|
if (audio == NULL || audio->audio_interface == NULL)
|
||
|
|
return;
|
||
|
|
audio_interface = (HTS_AudioInterface *) audio->audio_interface;
|
||
|
|
|
||
|
|
HTS_Audio_flush(audio);
|
||
|
|
HTS_AudioInterface_close(audio_interface);
|
||
|
|
if (audio->buff != NULL)
|
||
|
|
HTS_free(audio->buff);
|
||
|
|
HTS_Audio_initialize(audio);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* AUDIO_PLAY_PORTAUDIO */
|
||
|
|
|
||
|
|
#ifdef AUDIO_PLAY_NONE
|
||
|
|
|
||
|
|
/* HTS_Audio_initialize: initialize audio */
|
||
|
|
void HTS_Audio_initialize(HTS_Audio * audio)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
/* HTS_Audio_set_parameter: set parameters for audio */
|
||
|
|
void HTS_Audio_set_parameter(HTS_Audio * audio, size_t sampling_frequeny, size_t max_buff_size)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
/* HTS_Audio_write: send data to audio */
|
||
|
|
void HTS_Audio_write(HTS_Audio * audio, short data)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
/* HTS_Audio_flush: flush remain data */
|
||
|
|
void HTS_Audio_flush(HTS_Audio * audio)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
/* HTS_Audio_clear: free audio */
|
||
|
|
void HTS_Audio_clear(HTS_Audio * audio)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* AUDIO_PLAY_NONE */
|
||
|
|
|
||
|
|
HTS_AUDIO_C_END;
|
||
|
|
|
||
|
|
#endif /* !HTS_AUDIO_C */
|