| c732d49e |
* Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
*
* The original file was part of Open Source Doubango Framework
* Copyright (C) 2010-2011 Mamadou Diop.
* Copyright (C) 2012 Doubango Telecom <http://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.
*/
#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);
}
#if HAVE_CRT //Debug memory
producer->hWaveHeaders[index] = calloc(1, sizeof(WAVEHDR));
producer->hWaveHeaders[index]->lpData = calloc(1, producer->bytes_per_notif);
#else
producer->hWaveHeaders[index] = tsk_calloc(1, sizeof(WAVEHDR));
producer->hWaveHeaders[index]->lpData = tsk_calloc(1, producer->bytes_per_notif);
#endif //HAVE_CRT
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 */ |