| 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_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);
}
#if HAVE_CRT //Debug memory
consumer->hWaveHeaders[index] = calloc(1, sizeof(WAVEHDR));
consumer->hWaveHeaders[index]->lpData = calloc(1, consumer->bytes_per_notif);
#else
consumer->hWaveHeaders[index] = tsk_calloc(1, sizeof(WAVEHDR));
consumer->hWaveHeaders[index]->lpData = tsk_calloc(1, consumer->bytes_per_notif);
#endif //HAVE_CRT
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 */ |