diff options
Diffstat (limited to 'tinyDAV/src/audio/waveapi/tdav_producer_waveapi.c')
| -rw-r--r-- | tinyDAV/src/audio/waveapi/tdav_producer_waveapi.c | 393 |
1 files changed, 393 insertions, 0 deletions
diff --git a/tinyDAV/src/audio/waveapi/tdav_producer_waveapi.c b/tinyDAV/src/audio/waveapi/tdav_producer_waveapi.c new file mode 100644 index 0000000..d077790 --- /dev/null +++ b/tinyDAV/src/audio/waveapi/tdav_producer_waveapi.c @@ -0,0 +1,393 @@ +/* +* 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_producer_waveapi.c + * @brief Audio Producer for Win32 and WinCE platforms. + */ +#include "tinydav/audio/waveapi/tdav_producer_waveapi.h" + +#if HAVE_WAVE_API + +#include "tsk_thread.h" +#include "tsk_memory.h" +#include "tsk_debug.h" + +#define TDAV_WAVEAPI_PRODUCER_ERROR_BUFF_COUNT 0xFF + +#define tdav_producer_waveapi_set tsk_null + +static void print_last_error(MMRESULT mmrError, const char* func) +{ + static char buffer_err[TDAV_WAVEAPI_PRODUCER_ERROR_BUFF_COUNT]; + + waveInGetErrorTextA(mmrError, buffer_err, sizeof(buffer_err)); + TSK_DEBUG_ERROR("%s() error: %s", func, buffer_err); +} + +static int free_wavehdr(tdav_producer_waveapi_t* producer, tsk_size_t index) +{ + if(!producer || index >= sizeof(producer->hWaveHeaders)/sizeof(LPWAVEHDR)){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + TSK_FREE(producer->hWaveHeaders[index]->lpData); + TSK_FREE(producer->hWaveHeaders[index]); + + return 0; +} + +static int create_wavehdr(tdav_producer_waveapi_t* producer, tsk_size_t index) +{ + if(!producer || index >= sizeof(producer->hWaveHeaders)/sizeof(LPWAVEHDR)){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + if(producer->hWaveHeaders[index]){ + free_wavehdr(producer, index); + } + + producer->hWaveHeaders[index] = tsk_calloc(1, sizeof(WAVEHDR)); + producer->hWaveHeaders[index]->lpData = tsk_calloc(1, producer->bytes_per_notif); + producer->hWaveHeaders[index]->dwBufferLength = (DWORD)producer->bytes_per_notif; + producer->hWaveHeaders[index]->dwFlags = WHDR_BEGINLOOP | WHDR_ENDLOOP; + producer->hWaveHeaders[index]->dwLoops = 0x01; + producer->hWaveHeaders[index]->dwUser = index; + + return 0; +} + +static int add_wavehdr(tdav_producer_waveapi_t* producer, tsk_size_t index) +{ + MMRESULT result; + + if(!producer || !producer->hWaveHeaders[index] || !producer->hWaveIn){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + result = waveInPrepareHeader(producer->hWaveIn, producer->hWaveHeaders[index], sizeof(WAVEHDR)); + if(result != MMSYSERR_NOERROR){ + print_last_error(result, "waveInPrepareHeader"); + return -2; + } + + result = waveInAddBuffer(producer->hWaveIn, producer->hWaveHeaders[index], sizeof(WAVEHDR)); + if(result != MMSYSERR_NOERROR){ + print_last_error(result, "waveInAddBuffer"); + return -3; + } + + return 0; +} + +static int record_wavehdr(tdav_producer_waveapi_t* producer, LPWAVEHDR lpHdr) +{ + MMRESULT result; + + if(!producer || !lpHdr || !producer->hWaveIn){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + // + // Alert the session that there is new data to send over the network + // + if(TMEDIA_PRODUCER(producer)->enc_cb.callback){ +#if 0 + { + static FILE* f = NULL; + if(!f) f = fopen("./waveapi_producer.raw", "w+"); + fwrite(lpHdr->lpData, 1, lpHdr->dwBytesRecorded, f); + } +#endif + TMEDIA_PRODUCER(producer)->enc_cb.callback(TMEDIA_PRODUCER(producer)->enc_cb.callback_data, lpHdr->lpData, lpHdr->dwBytesRecorded); + } + + if(!producer->started){ + return 0; + } + + result = waveInUnprepareHeader(producer->hWaveIn, lpHdr, sizeof(WAVEHDR)); + if(result != MMSYSERR_NOERROR){ + print_last_error(result, "waveInUnprepareHeader"); + return -2; + } + + result = waveInPrepareHeader(producer->hWaveIn, lpHdr, sizeof(WAVEHDR)); + if(result != MMSYSERR_NOERROR){ + print_last_error(result, "waveInPrepareHeader"); + return -3; + } + + result = waveInAddBuffer(producer->hWaveIn, lpHdr, sizeof(WAVEHDR)); + if(result != MMSYSERR_NOERROR){ + print_last_error(result, "waveInAddBuffer"); + return -4; + } + + return 0; +} + +static void* TSK_STDCALL __record_thread(void *param) +{ + tdav_producer_waveapi_t* producer = (tdav_producer_waveapi_t*)param; + DWORD dwEvent; + tsk_size_t i; + + TSK_DEBUG_INFO("__record_thread -- START"); + + // SetPriorityClass(GetCurrentThread(), REALTIME_PRIORITY_CLASS); + + for(;;){ + dwEvent = WaitForMultipleObjects(2, producer->events, FALSE, INFINITE); + + if (dwEvent == 1){ + break; + } + + else if (dwEvent == 0){ + EnterCriticalSection(&producer->cs); + for(i = 0; i< sizeof(producer->hWaveHeaders)/sizeof(producer->hWaveHeaders[0]); i++){ + if(producer->hWaveHeaders[i] && (producer->hWaveHeaders[i]->dwFlags & WHDR_DONE)){ + record_wavehdr(producer, producer->hWaveHeaders[i]); + } + } + LeaveCriticalSection(&producer->cs); + } + } + + TSK_DEBUG_INFO("__record_thread() -- STOP"); + + + return tsk_null; +} + + + + + + + + +/* ============ Media Producer Interface ================= */ +int tdav_producer_waveapi_prepare(tmedia_producer_t* self, const tmedia_codec_t* codec) +{ + tdav_producer_waveapi_t* producer = (tdav_producer_waveapi_t*)self; + tsk_size_t i; + + if(!producer || !codec && codec->plugin){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + TMEDIA_PRODUCER(producer)->audio.channels = TMEDIA_CODEC_CHANNELS_AUDIO_ENCODING(codec); + TMEDIA_PRODUCER(producer)->audio.rate = TMEDIA_CODEC_RATE_ENCODING(codec); + TMEDIA_PRODUCER(producer)->audio.ptime = TMEDIA_CODEC_PTIME_AUDIO_ENCODING(codec); + /* codec should have ptime */ + + + /* Format */ + ZeroMemory(&producer->wfx, sizeof(WAVEFORMATEX)); + producer->wfx.wFormatTag = WAVE_FORMAT_PCM; + producer->wfx.nChannels = TMEDIA_PRODUCER(producer)->audio.channels; + producer->wfx.nSamplesPerSec = TMEDIA_PRODUCER(producer)->audio.rate; + producer->wfx.wBitsPerSample = TMEDIA_PRODUCER(producer)->audio.bits_per_sample; + producer->wfx.nBlockAlign = (producer->wfx.nChannels * producer->wfx.wBitsPerSample/8); + producer->wfx.nAvgBytesPerSec = (producer->wfx.nSamplesPerSec * producer->wfx.nBlockAlign); + + /* Average bytes (count) for each notification */ + producer->bytes_per_notif = ((producer->wfx.nAvgBytesPerSec * TMEDIA_PRODUCER(producer)->audio.ptime)/1000); + + /* create buffers */ + for(i = 0; i< sizeof(producer->hWaveHeaders)/sizeof(producer->hWaveHeaders[0]); i++){ + create_wavehdr(producer, i); + } + + return 0; +} + +int tdav_producer_waveapi_start(tmedia_producer_t* self) +{ + tdav_producer_waveapi_t* producer = (tdav_producer_waveapi_t*)self; + MMRESULT result; + tsk_size_t i; + + if(!producer){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + if(producer->started || producer->hWaveIn){ + TSK_DEBUG_WARN("Producer already started"); + return 0; + } + + /* create events */ + if(!producer->events[0]){ + producer->events[0] = CreateEvent(NULL, FALSE, FALSE, NULL); + } + if(!producer->events[1]){ + producer->events[1] = CreateEvent(NULL, FALSE, FALSE, NULL); + } + + /* open */ + result = waveInOpen((HWAVEIN *)&producer->hWaveIn, /*WAVE_MAPPER*/0, &producer->wfx, (DWORD)producer->events[0], (DWORD_PTR)producer, CALLBACK_EVENT); + if(result != MMSYSERR_NOERROR){ + print_last_error(result, "waveInOpen"); + return -2; + } + + /* start */ + result = waveInStart(producer->hWaveIn); + if(result != MMSYSERR_NOERROR){ + print_last_error(result, "waveInStart"); + return -2; + } + + /* write */ + for(i = 0; i< sizeof(producer->hWaveHeaders)/sizeof(LPWAVEHDR); i++){ + add_wavehdr(producer, i); + } + + /* start thread */ + producer->started = tsk_true; + tsk_thread_create(&producer->tid[0], __record_thread, producer); + + return 0; +} + +int tdav_producer_waveapi_pause(tmedia_producer_t* self) +{ + tdav_producer_waveapi_t* producer = (tdav_producer_waveapi_t*)self; + + if(!producer){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + return 0; +} + +int tdav_producer_waveapi_stop(tmedia_producer_t* self) +{ + tdav_producer_waveapi_t* producer = (tdav_producer_waveapi_t*)self; + MMRESULT result; + + if(!self){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + if(!producer->started){ + TSK_DEBUG_WARN("Producer not started"); + return 0; + } + + /* stop thread */ + if(producer->tid[0]){ + SetEvent(producer->events[1]); + tsk_thread_join(&(producer->tid[0])); + } + + /* should be done here */ + producer->started = tsk_false; + + if(producer->hWaveIn && (((result = waveInReset(producer->hWaveIn)) != MMSYSERR_NOERROR) || ((result = waveInClose(producer->hWaveIn)) != MMSYSERR_NOERROR))){ + print_last_error(result, "waveInReset/waveInClose"); + } + + return 0; +} + + +// +// WaveAPI producer object definition +// +/* constructor */ +static tsk_object_t* tdav_producer_waveapi_ctor(tsk_object_t * self, va_list * app) +{ + tdav_producer_waveapi_t *producer = self; + if(producer){ + /* init base */ + tdav_producer_audio_init(TDAV_PRODUCER_AUDIO(producer)); + /* init self */ + InitializeCriticalSection(&producer->cs); + } + return self; +} +/* destructor */ +static tsk_object_t* tdav_producer_waveapi_dtor(tsk_object_t * self) +{ + tdav_producer_waveapi_t *producer = self; + if(producer){ + tsk_size_t i; + + /* stop */ + if(producer->started){ + tdav_producer_waveapi_stop(self); + } + + /* deinit base */ + tdav_producer_audio_deinit(TDAV_PRODUCER_AUDIO(producer)); + /* deinit self */ + for(i = 0; i< sizeof(producer->hWaveHeaders)/sizeof(LPWAVEHDR); i++){ + free_wavehdr(producer, i); + } + if(producer->hWaveIn){ + waveInClose(producer->hWaveIn); + } + if(producer->events[0]){ + CloseHandle(producer->events[0]); + } + if(producer->events[1]){ + CloseHandle(producer->events[1]); + } + DeleteCriticalSection(&producer->cs); + } + + return self; +} +/* object definition */ +static const tsk_object_def_t tdav_producer_waveapi_def_s = +{ + sizeof(tdav_producer_waveapi_t), + tdav_producer_waveapi_ctor, + tdav_producer_waveapi_dtor, + tdav_producer_audio_cmp, +}; +/* plugin definition*/ +static const tmedia_producer_plugin_def_t tdav_producer_waveapi_plugin_def_s = +{ + &tdav_producer_waveapi_def_s, + + tmedia_audio, + "Microsoft WaveAPI producer", + + tdav_producer_waveapi_set, + tdav_producer_waveapi_prepare, + tdav_producer_waveapi_start, + tdav_producer_waveapi_pause, + tdav_producer_waveapi_stop +}; +const tmedia_producer_plugin_def_t *tdav_producer_waveapi_plugin_def_t = &tdav_producer_waveapi_plugin_def_s; + +#endif /* HAVE_WAVE_API */
\ No newline at end of file |
