diff options
Diffstat (limited to 'tinyDAV/src/audio/waveapi/tdav_consumer_waveapi.c')
-rw-r--r-- | tinyDAV/src/audio/waveapi/tdav_consumer_waveapi.c | 402 |
1 files changed, 402 insertions, 0 deletions
diff --git a/tinyDAV/src/audio/waveapi/tdav_consumer_waveapi.c b/tinyDAV/src/audio/waveapi/tdav_consumer_waveapi.c new file mode 100644 index 0000000..1883fa4 --- /dev/null +++ b/tinyDAV/src/audio/waveapi/tdav_consumer_waveapi.c @@ -0,0 +1,402 @@ +/* +* Copyright (C) 2010-2015 Mamadou DIOP +* +* This file is part of Open Source Doubango Framework. +* +* DOUBANGO is free software: you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation, either version 3 of the License, or +* (at your option) any later version. +* +* DOUBANGO 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 General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with DOUBANGO. +* +*/ + +/**@file tdav_consumer_waveapi.c + * @brief Audio Consumer for Win32 and WinCE platforms. + * + */ +#include "tinydav/audio/waveapi/tdav_consumer_waveapi.h" + +#if HAVE_WAVE_API + +#include "tsk_thread.h" +#include "tsk_memory.h" +#include "tsk_debug.h" + +#define TDAV_WAVEAPI_CONSUMER_ERROR_BUFF_COUNT 0xFF + +#define tdav_consumer_waveapi_set tsk_null + +static void print_last_error(MMRESULT mmrError, const char* func) +{ + static char buffer_err[TDAV_WAVEAPI_CONSUMER_ERROR_BUFF_COUNT]; + + waveOutGetErrorTextA(mmrError, buffer_err, sizeof(buffer_err)); + TSK_DEBUG_ERROR("%s() error: %s", func, buffer_err); +} + +static int free_wavehdr(tdav_consumer_waveapi_t* consumer, tsk_size_t index) +{ + if(!consumer || index >= sizeof(consumer->hWaveHeaders)/sizeof(LPWAVEHDR)){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + TSK_FREE(consumer->hWaveHeaders[index]->lpData); + TSK_FREE(consumer->hWaveHeaders[index]); + + return 0; +} + +static int create_wavehdr(tdav_consumer_waveapi_t* consumer, tsk_size_t index) +{ + if(!consumer || index >= sizeof(consumer->hWaveHeaders)/sizeof(LPWAVEHDR)){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + if(consumer->hWaveHeaders[index]){ + free_wavehdr(consumer, index); + } + + consumer->hWaveHeaders[index] = tsk_calloc(1, sizeof(WAVEHDR)); + consumer->hWaveHeaders[index]->lpData = tsk_calloc(1, consumer->bytes_per_notif); + consumer->hWaveHeaders[index]->dwBufferLength = (DWORD)consumer->bytes_per_notif; + consumer->hWaveHeaders[index]->dwFlags = WHDR_BEGINLOOP | WHDR_ENDLOOP; + consumer->hWaveHeaders[index]->dwLoops = 0x01; + consumer->hWaveHeaders[index]->dwUser = index; + + return 0; +} + +static int write_wavehdr(tdav_consumer_waveapi_t* consumer, tsk_size_t index) +{ + MMRESULT result; + + if(!consumer || !consumer->hWaveHeaders[index] || !consumer->hWaveOut){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + result = waveOutPrepareHeader(consumer->hWaveOut, consumer->hWaveHeaders[index], sizeof(WAVEHDR)); + if(result != MMSYSERR_NOERROR){ + print_last_error(result, "waveOutPrepareHeader"); + return -2; + } + + result = waveOutWrite(consumer->hWaveOut, consumer->hWaveHeaders[index], sizeof(WAVEHDR)); + if(result != MMSYSERR_NOERROR){ + print_last_error(result, "waveOutWrite"); + return -3; + } + + return 0; +} + +static int play_wavehdr(tdav_consumer_waveapi_t* consumer, LPWAVEHDR lpHdr) +{ + MMRESULT result; + tsk_size_t out_size; + + if(!consumer || !lpHdr || !consumer->hWaveOut){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + result = waveOutUnprepareHeader(consumer->hWaveOut, lpHdr, sizeof(WAVEHDR)); + if(result != MMSYSERR_NOERROR){ + print_last_error(result, "waveOutUnprepareHeader"); + return -2; + } + + // + // + // Fill lpHdr->Data with decoded data + // + // + if((out_size = tdav_consumer_audio_get(TDAV_CONSUMER_AUDIO(consumer), lpHdr->lpData, lpHdr->dwBufferLength))){ + //memcpy(lpHdr->lpData, data, lpHdr->dwBufferLength); + //TSK_FREE(data); + } + else{ + /* Put silence */ + memset(lpHdr->lpData, 0, lpHdr->dwBufferLength); + } + + if(!consumer->started){ + return 0; + } + + result = waveOutPrepareHeader(consumer->hWaveOut, lpHdr, sizeof(WAVEHDR)); + if(result != MMSYSERR_NOERROR){ + print_last_error(result, "waveOutPrepareHeader"); + return -3; + } + + result = waveOutWrite(consumer->hWaveOut, lpHdr, sizeof(WAVEHDR)); + if(result != MMSYSERR_NOERROR){ + print_last_error(result, "waveOutWrite"); + return -4; + } + + return 0; +} + +static void* TSK_STDCALL __playback_thread(void *param) +{ + tdav_consumer_waveapi_t* consumer = (tdav_consumer_waveapi_t*)param; + DWORD dwEvent; + tsk_size_t i; + + TSK_DEBUG_INFO("__playback_thread -- START"); + + SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_HIGHEST); + + for(;;){ + dwEvent = WaitForMultipleObjects(2, consumer->events, FALSE, INFINITE); + + if (dwEvent == 1){ + break; + } + + else if (dwEvent == 0){ + EnterCriticalSection(&consumer->cs); + for(i = 0; i< sizeof(consumer->hWaveHeaders)/sizeof(LPWAVEHDR); i++){ + if(consumer->hWaveHeaders[i] && (consumer->hWaveHeaders[i]->dwFlags & WHDR_DONE)){ + play_wavehdr(consumer, consumer->hWaveHeaders[i]); + } + } + LeaveCriticalSection(&consumer->cs); + } + } + + TSK_DEBUG_INFO("__playback_thread -- STOP"); + + + return tsk_null; +} + + + + + + + + +/* ============ Media Consumer Interface ================= */ +int tdav_consumer_waveapi_prepare(tmedia_consumer_t* self, const tmedia_codec_t* codec) +{ + tdav_consumer_waveapi_t* consumer = (tdav_consumer_waveapi_t*)self; + tsk_size_t i; + + if(!consumer || !codec && codec->plugin){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + TMEDIA_CONSUMER(consumer)->audio.ptime = TMEDIA_CODEC_PTIME_AUDIO_DECODING(codec); + TMEDIA_CONSUMER(consumer)->audio.in.channels = TMEDIA_CODEC_CHANNELS_AUDIO_DECODING(codec); + TMEDIA_CONSUMER(consumer)->audio.in.rate = TMEDIA_CODEC_RATE_DECODING(codec); + + /* codec should have ptime */ + + + /* Format */ + ZeroMemory(&consumer->wfx, sizeof(WAVEFORMATEX)); + consumer->wfx.wFormatTag = WAVE_FORMAT_PCM; + consumer->wfx.nChannels = TMEDIA_CONSUMER(consumer)->audio.in.channels; + consumer->wfx.nSamplesPerSec = TMEDIA_CONSUMER(consumer)->audio.out.rate ? TMEDIA_CONSUMER(consumer)->audio.out.rate : TMEDIA_CONSUMER(consumer)->audio.in.rate; + consumer->wfx.wBitsPerSample = TMEDIA_CONSUMER(consumer)->audio.bits_per_sample; + consumer->wfx.nBlockAlign = (consumer->wfx.nChannels * consumer->wfx.wBitsPerSample/8); + consumer->wfx.nAvgBytesPerSec = (consumer->wfx.nSamplesPerSec * consumer->wfx.nBlockAlign); + + /* Average bytes (count) for each notification */ + consumer->bytes_per_notif = ((consumer->wfx.nAvgBytesPerSec * TMEDIA_CONSUMER(consumer)->audio.ptime)/1000); + + /* create buffers */ + for(i = 0; i< sizeof(consumer->hWaveHeaders)/sizeof(consumer->hWaveHeaders[0]); i++){ + create_wavehdr(consumer, i); + } + + return 0; +} + +int tdav_consumer_waveapi_start(tmedia_consumer_t* self) +{ + tdav_consumer_waveapi_t* consumer = (tdav_consumer_waveapi_t*)self; + MMRESULT result; + tsk_size_t i; + + if(!consumer){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + if(consumer->started || consumer->hWaveOut){ + TSK_DEBUG_WARN("Consumer already started"); + return 0; + } + + /* create events */ + if(!consumer->events[0]){ + consumer->events[0] = CreateEvent(NULL, FALSE, FALSE, NULL); + } + if(!consumer->events[1]){ + consumer->events[1] = CreateEvent(NULL, FALSE, FALSE, NULL); + } + + /* open */ + result = waveOutOpen((HWAVEOUT *)&consumer->hWaveOut, WAVE_MAPPER, &consumer->wfx, (DWORD)consumer->events[0], (DWORD_PTR)consumer, CALLBACK_EVENT); + if(result != MMSYSERR_NOERROR){ + print_last_error(result, "waveOutOpen"); + return -2; + } + + /* write */ + for(i = 0; i< sizeof(consumer->hWaveHeaders)/sizeof(consumer->hWaveHeaders[0]); i++){ + write_wavehdr(consumer, i); + } + + /* start thread */ + consumer->started = tsk_true; + tsk_thread_create(&consumer->tid[0], __playback_thread, consumer); + + return 0; +} + +int tdav_consumer_waveapi_consume(tmedia_consumer_t* self, const void* buffer, tsk_size_t size, const tsk_object_t* proto_hdr) +{ + tdav_consumer_waveapi_t* consumer = (tdav_consumer_waveapi_t*)self; + + if(!consumer || !buffer || !size){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + /* buffer is already decoded */ + return tdav_consumer_audio_put(TDAV_CONSUMER_AUDIO(consumer), buffer, size, proto_hdr); +} + +int tdav_consumer_waveapi_pause(tmedia_consumer_t* self) +{ + tdav_consumer_waveapi_t* consumer = (tdav_consumer_waveapi_t*)self; + + if(!consumer){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + return 0; +} + +int tdav_consumer_waveapi_stop(tmedia_consumer_t* self) +{ + tdav_consumer_waveapi_t* consumer = (tdav_consumer_waveapi_t*)self; + MMRESULT result; + + if(!self){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + if(!consumer->started){ + TSK_DEBUG_WARN("Consumer not started"); + return 0; + } + + /* stop thread */ + if(consumer->tid[0]){ + SetEvent(consumer->events[1]); + tsk_thread_join(&(consumer->tid[0])); + } + + /* should be done here */ + consumer->started = tsk_false; + + if(consumer->hWaveOut && ((result = waveOutReset(consumer->hWaveOut)) != MMSYSERR_NOERROR)){ + print_last_error(result, "waveOutReset"); + } + + return 0; +} + + +// +// WaveAPI consumer object definition +// +/* constructor */ +static tsk_object_t* tdav_consumer_waveapi_ctor(tsk_object_t * self, va_list * app) +{ + tdav_consumer_waveapi_t *consumer = self; + if(consumer){ + /* init base */ + tdav_consumer_audio_init(TDAV_CONSUMER_AUDIO(consumer)); + /* init self */ + InitializeCriticalSection(&consumer->cs); + } + return self; +} +/* destructor */ +static tsk_object_t* tdav_consumer_waveapi_dtor(tsk_object_t * self) +{ + tdav_consumer_waveapi_t *consumer = self; + if(consumer){ + tsk_size_t i; + + /* stop */ + if(consumer->started){ + tdav_consumer_waveapi_stop(self); + } + + /* deinit base */ + tdav_consumer_audio_deinit(TDAV_CONSUMER_AUDIO(consumer)); + /* deinit self */ + for(i = 0; i< sizeof(consumer->hWaveHeaders)/sizeof(LPWAVEHDR); i++){ + free_wavehdr(consumer, i); + } + if(consumer->hWaveOut){ + waveOutClose(consumer->hWaveOut); + } + if(consumer->events[0]){ + CloseHandle(consumer->events[0]); + } + if(consumer->events[1]){ + CloseHandle(consumer->events[1]); + } + DeleteCriticalSection(&consumer->cs); + } + + return self; +} +/* object definition */ +static const tsk_object_def_t tdav_consumer_waveapi_def_s = +{ + sizeof(tdav_consumer_waveapi_t), + tdav_consumer_waveapi_ctor, + tdav_consumer_waveapi_dtor, + tdav_consumer_audio_cmp, +}; +/* plugin definition*/ +static const tmedia_consumer_plugin_def_t tdav_consumer_waveapi_plugin_def_s = +{ + &tdav_consumer_waveapi_def_s, + + tmedia_audio, + "Microsoft WaveAPI consumer", + + tdav_consumer_waveapi_set, + tdav_consumer_waveapi_prepare, + tdav_consumer_waveapi_start, + tdav_consumer_waveapi_consume, + tdav_consumer_waveapi_pause, + tdav_consumer_waveapi_stop +}; +const tmedia_consumer_plugin_def_t *tdav_consumer_waveapi_plugin_def_t = &tdav_consumer_waveapi_plugin_def_s; + +#endif /* HAVE_WAVE_API */
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