diff options
Diffstat (limited to 'branches/1.0/tinyDAV/src/audio/waveapi/tdav_producer_waveapi.c')
| -rw-r--r-- | branches/1.0/tinyDAV/src/audio/waveapi/tdav_producer_waveapi.c | 393 |
1 files changed, 0 insertions, 393 deletions
diff --git a/branches/1.0/tinyDAV/src/audio/waveapi/tdav_producer_waveapi.c b/branches/1.0/tinyDAV/src/audio/waveapi/tdav_producer_waveapi.c deleted file mode 100644 index 88fed78..0000000 --- a/branches/1.0/tinyDAV/src/audio/waveapi/tdav_producer_waveapi.c +++ /dev/null @@ -1,393 +0,0 @@ -/*
-* Copyright (C) 2009-2010 Mamadou Diop.
-*
-* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
-*
-* 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.
- *
- * @author Mamadou Diop <diopmamadou(at)doubango.org>
- *
- * @date Created: Sat Nov 8 16:54:58 2009 mdiop
- */
-#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 = 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)->callback){
- TMEDIA_PRODUCER(producer)->callback(TMEDIA_PRODUCER(producer)->callback_data, lpHdr->lpData, (lpHdr->dwBytesRecorded/2));
- }
-
-
- 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 *__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(LPWAVEHDR); 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;
- }
-
- TDAV_PRODUCER_AUDIO(producer)->channels = codec->plugin->audio.channels;
- TDAV_PRODUCER_AUDIO(producer)->rate = codec->plugin->rate;
- /* codec should have ptime */
-
-
- /* Format */
- ZeroMemory(&producer->wfx, sizeof(WAVEFORMATEX));
- producer->wfx.wFormatTag = WAVE_FORMAT_PCM;
- producer->wfx.nChannels = TDAV_PRODUCER_AUDIO(producer)->channels;
- producer->wfx.nSamplesPerSec = TDAV_PRODUCER_AUDIO(producer)->rate;
- producer->wfx.wBitsPerSample = TDAV_PRODUCER_AUDIO(producer)->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 * TDAV_PRODUCER_AUDIO(producer)->ptime)/1000);
-
- /* create buffers */
- for(i = 0; i< sizeof(producer->hWaveHeaders)/sizeof(LPWAVEHDR); 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;
- }
-
- /* start thread */
- tsk_thread_create(&producer->tid[0], __record_thread, producer);
-
- /* write */
- for(i = 0; i< sizeof(producer->hWaveHeaders)/sizeof(LPWAVEHDR); i++){
- add_wavehdr(producer, i);
- }
-
- producer->started = tsk_true;
-
- 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 |
