| 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_dsound.c
* @brief Microsoft DirectSound producer.
*
*/
#include "tinydav/audio/directsound/tdav_producer_dsound.h"
#if HAVE_DSOUND_H
#if defined(_MSC_VER)
# pragma comment(lib, "dsound.lib")
// # pragma comment(lib, "dxguid.lib")
#endif
#if !defined(SEND_SILENCE_ON_MUTE)
# if METROPOLIS
# define SEND_SILENCE_ON_MUTE 1
# else
# define SEND_SILENCE_ON_MUTE 0
# endif
#endif /* SEND_SILENCE_ON_MUTE */
#include "tsk_string.h"
#include "tsk_thread.h"
#include "tsk_memory.h"
#include "tsk_debug.h"
#include <initguid.h>
#include <dsound.h>
extern void tdav_win32_print_error(const char* func, HRESULT hr);
#if !defined(TDAV_DSOUND_PRODUCER_NOTIF_POS_COUNT)
# define TDAV_DSOUND_PRODUCER_NOTIF_POS_COUNT 10
#endif /* TDAV_DSOUND_PRODUCER_NOTIF_POS_COUNT */
typedef struct tdav_producer_dsound_s
{
TDAV_DECLARE_PRODUCER_AUDIO;
tsk_bool_t started;
tsk_bool_t mute;
tsk_size_t bytes_per_notif_size;
tsk_thread_handle_t* tid[1];
LPDIRECTSOUNDCAPTURE device;
LPDIRECTSOUNDCAPTUREBUFFER captureBuffer;
HANDLE notifEvents[TDAV_DSOUND_PRODUCER_NOTIF_POS_COUNT];
}
tdav_producer_dsound_t;
static void* TSK_STDCALL _tdav_producer_dsound_record_thread(void *param)
{
tdav_producer_dsound_t* dsound = (tdav_producer_dsound_t*)param;
HRESULT hr;
LPVOID lpvAudio1, lpvAudio2;
DWORD dwBytesAudio1, dwBytesAudio2, dwEvent, dwIndex;
TSK_DEBUG_INFO("_tdav_producer_dsound_record_thread -- START");
SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_TIME_CRITICAL);
while (dsound->started) {
dwEvent = WaitForMultipleObjects(TDAV_DSOUND_PRODUCER_NOTIF_POS_COUNT, dsound->notifEvents, FALSE, INFINITE);
if (!dsound->started) {
break;
}
if (dwEvent < WAIT_OBJECT_0 || dwEvent >(WAIT_OBJECT_0 + TDAV_DSOUND_PRODUCER_NOTIF_POS_COUNT)) {
TSK_DEBUG_ERROR("Invalid dwEvent(%d)", dwEvent);
break;
}
dwIndex = (dwEvent - WAIT_OBJECT_0);
// lock
if ((hr = IDirectSoundCaptureBuffer_Lock(dsound->captureBuffer, (DWORD)(dwIndex * dsound->bytes_per_notif_size), (DWORD)dsound->bytes_per_notif_size, &lpvAudio1, &dwBytesAudio1, &lpvAudio2, &dwBytesAudio2, 0)) != DS_OK) {
tdav_win32_print_error("IDirectSoundCaptureBuffer_Lock", hr);
continue;
}
if (TMEDIA_PRODUCER(dsound)->enc_cb.callback) {
#if SEND_SILENCE_ON_MUTE
if (dsound->mute) {
memset(lpvAudio1, 0, dwBytesAudio1);
if(lpvAudio2){
memset(lpvAudio2, 0, dwBytesAudio2);
}
}
#endif
TMEDIA_PRODUCER(dsound)->enc_cb.callback(TMEDIA_PRODUCER(dsound)->enc_cb.callback_data, lpvAudio1, dwBytesAudio1);
if (lpvAudio2) {
TMEDIA_PRODUCER(dsound)->enc_cb.callback(TMEDIA_PRODUCER(dsound)->enc_cb.callback_data, lpvAudio2, dwBytesAudio2);
}
}
// unlock
if ((hr = IDirectSoundCaptureBuffer_Unlock(dsound->captureBuffer, lpvAudio1, dwBytesAudio1, lpvAudio2, dwBytesAudio2)) != DS_OK) {
tdav_win32_print_error("IDirectSoundCaptureBuffer_Unlock", hr);
continue;
}
}
TSK_DEBUG_INFO("_tdav_producer_dsound_record_thread -- STOP");
return tsk_null;
}
static int _tdav_producer_dsound_unprepare(tdav_producer_dsound_t* dsound)
{
if (dsound) {
tsk_size_t i;
if (dsound->captureBuffer) {
IDirectSoundCaptureBuffer_Release(dsound->captureBuffer);
dsound->captureBuffer = NULL;
}
if (dsound->device) {
IDirectSoundCapture_Release(dsound->device);
dsound->device = NULL;
}
for (i = 0; i < (sizeof(dsound->notifEvents) / sizeof(dsound->notifEvents[0])); i++){
if (dsound->notifEvents[i]) {
CloseHandle(dsound->notifEvents[i]);
dsound->notifEvents[i] = NULL;
}
}
}
return 0;
}
/* ============ Media Producer Interface ================= */
static int tdav_producer_dsound_set(tmedia_producer_t* self, const tmedia_param_t* param)
{
tdav_producer_dsound_t* dsound = (tdav_producer_dsound_t*)self;
if (param->plugin_type == tmedia_ppt_producer) {
if (param->value_type == tmedia_pvt_int32) {
if (tsk_striequals(param->key, "volume")) {
return 0;
}
else if (tsk_striequals(param->key, "mute")) {
dsound->mute = (TSK_TO_INT32((uint8_t*)param->value) != 0);
#if !SEND_SILENCE_ON_MUTE
if (dsound->started) {
if (dsound->mute) {
IDirectSoundCaptureBuffer_Stop(dsound->captureBuffer);
}
else {
IDirectSoundCaptureBuffer_Start(dsound->captureBuffer, DSBPLAY_LOOPING);
}
}
#endif
return 0;
}
}
}
return tdav_producer_audio_set(TDAV_PRODUCER_AUDIO(self), param);
}
static int tdav_producer_dsound_prepare(tmedia_producer_t* self, const tmedia_codec_t* codec)
{
HRESULT hr;
WAVEFORMATEX wfx = { 0 };
DSCBUFFERDESC dsbd = { 0 };
tdav_producer_dsound_t* dsound = (tdav_producer_dsound_t*)self;
if (!dsound || !codec) {
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
if (dsound->device || dsound->captureBuffer) {
TSK_DEBUG_ERROR("Producer already prepared");
return -2;
}
TMEDIA_PRODUCER(dsound)->audio.channels = TMEDIA_CODEC_CHANNELS_AUDIO_ENCODING(codec);
TMEDIA_PRODUCER(dsound)->audio.rate = TMEDIA_CODEC_RATE_ENCODING(codec);
TMEDIA_PRODUCER(dsound)->audio.ptime = TMEDIA_CODEC_PTIME_AUDIO_ENCODING(codec);
#if 0
TMEDIA_PRODUCER(dsound)->audio.rate = 48000;
TMEDIA_PRODUCER(dsound)->audio.channels = 1;
#endif
/* Create capture device */
if ((hr = DirectSoundCaptureCreate(NULL, &dsound->device, NULL) != DS_OK)) {
tdav_win32_print_error("DirectSoundCaptureCreate", hr);
return -3;
}
/* Creates the capture buffer */
wfx.wFormatTag = WAVE_FORMAT_PCM;
wfx.nChannels = TMEDIA_PRODUCER(dsound)->audio.channels;
wfx.nSamplesPerSec = TMEDIA_PRODUCER(dsound)->audio.rate;
wfx.wBitsPerSample = TMEDIA_PRODUCER(dsound)->audio.bits_per_sample;
wfx.nBlockAlign = (wfx.nChannels * wfx.wBitsPerSample / 8);
wfx.nAvgBytesPerSec = (wfx.nSamplesPerSec * wfx.nBlockAlign);
/* Average bytes (count) for each notification */
dsound->bytes_per_notif_size = ((wfx.nAvgBytesPerSec * TMEDIA_PRODUCER(dsound)->audio.ptime) / 1000);
dsbd.dwSize = sizeof(DSCBUFFERDESC);
dsbd.dwBufferBytes = (DWORD)(TDAV_DSOUND_PRODUCER_NOTIF_POS_COUNT * dsound->bytes_per_notif_size);
dsbd.lpwfxFormat = &wfx;
if ((hr = IDirectSoundCapture_CreateCaptureBuffer(dsound->device, &dsbd, &dsound->captureBuffer, NULL)) != DS_OK) {
tdav_win32_print_error("IDirectSoundCapture_CreateCaptureBuffer", hr);
return -4;
}
return 0;
}
static int tdav_producer_dsound_start(tmedia_producer_t* self)
{
tdav_producer_dsound_t* dsound = (tdav_producer_dsound_t*)self;
tsk_size_t i;
DWORD dwOffset;
HRESULT hr;
LPDIRECTSOUNDNOTIFY lpDSBNotify;
DSBPOSITIONNOTIFY pPosNotify[TDAV_DSOUND_PRODUCER_NOTIF_POS_COUNT] = { 0 };
if (!dsound) {
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
if (!dsound->device || !dsound->captureBuffer) {
TSK_DEBUG_ERROR("Producer not prepared");
return -2;
}
if (dsound->started) {
return 0;
}
if ((hr = IDirectSoundCaptureBuffer_QueryInterface(dsound->captureBuffer, &IID_IDirectSoundNotify, (LPVOID*)&lpDSBNotify)) != DS_OK) {
tdav_win32_print_error("IDirectSoundCaptureBuffer_QueryInterface", hr);
return -3;
}
/* Events associated to notification points */
dwOffset = (DWORD)(dsound->bytes_per_notif_size - 1);
for (i = 0; i < (sizeof(dsound->notifEvents) / sizeof(dsound->notifEvents[0])); i++){
dsound->notifEvents[i] = CreateEvent(NULL, FALSE, FALSE, NULL);
pPosNotify[i].dwOffset = dwOffset;
pPosNotify[i].hEventNotify = dsound->notifEvents[i];
dwOffset += (DWORD)dsound->bytes_per_notif_size;
}
if ((hr = IDirectSoundNotify_SetNotificationPositions(lpDSBNotify, TDAV_DSOUND_PRODUCER_NOTIF_POS_COUNT, pPosNotify)) != DS_OK) {
IDirectSoundNotify_Release(lpDSBNotify);
tdav_win32_print_error("IDirectSoundBuffer_QueryInterface", hr);
return -4;
}
if ((hr = IDirectSoundNotify_Release(lpDSBNotify))) {
tdav_win32_print_error("IDirectSoundNotify_Release", hr);
}
/* Start the buffer */
if ((hr = IDirectSoundCaptureBuffer_Start(dsound->captureBuffer, DSBPLAY_LOOPING)) != DS_OK) {
tdav_win32_print_error("IDirectSoundCaptureBuffer_Start", hr);
return -5;
}
/* start the reader thread */
dsound->started = tsk_true;
tsk_thread_create(&dsound->tid[0], _tdav_producer_dsound_record_thread, dsound);
return 0;
}
static int tdav_producer_dsound_pause(tmedia_producer_t* self)
{
return 0;
}
static int tdav_producer_dsound_stop(tmedia_producer_t* self)
{
tdav_producer_dsound_t* dsound = (tdav_producer_dsound_t*)self;
HRESULT hr;
if (!self) {
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
if (!dsound->started) {
return 0;
}
// should be done here
dsound->started = tsk_false;
#if !SEND_SILENCE_ON_MUTE
if (dsound->mute && dsound->notifEvents[0]) {
// thread is paused -> raise event now that "started" is equal to false
SetEvent(dsound->notifEvents[0]);
}
#endif
// stop thread
if (dsound->tid[0]) {
tsk_thread_join(&(dsound->tid[0]));
}
if ((hr = IDirectSoundCaptureBuffer_Stop(dsound->captureBuffer)) != DS_OK) {
tdav_win32_print_error("IDirectSoundCaptureBuffer_Stop", hr);
}
// unprepare
// will be prepared again before next start()
_tdav_producer_dsound_unprepare(dsound);
return 0;
}
//
// WaveAPI producer object definition
//
/* constructor */
static tsk_object_t* tdav_producer_dsound_ctor(tsk_object_t * self, va_list * app)
{
tdav_producer_dsound_t *producer = self;
if (producer) {
/* init base */
tdav_producer_audio_init(TDAV_PRODUCER_AUDIO(producer));
/* init self */
}
return self;
}
/* destructor */
static tsk_object_t* tdav_producer_dsound_dtor(tsk_object_t * self)
{
tdav_producer_dsound_t *dsound = self;
if (dsound) {
/* stop */
if (dsound->started) {
tdav_producer_dsound_stop(self);
}
/* deinit base */
tdav_producer_audio_deinit(TDAV_PRODUCER_AUDIO(dsound));
/* deinit self */
_tdav_producer_dsound_unprepare(dsound);
}
return self;
}
/* object definition */
static const tsk_object_def_t tdav_producer_dsound_def_s =
{
sizeof(tdav_producer_dsound_t),
tdav_producer_dsound_ctor,
tdav_producer_dsound_dtor,
tdav_producer_audio_cmp,
};
/* plugin definition*/
static const tmedia_producer_plugin_def_t tdav_producer_dsound_plugin_def_s =
{
&tdav_producer_dsound_def_s,
tmedia_audio,
"Microsoft DirectSound producer",
tdav_producer_dsound_set,
tdav_producer_dsound_prepare,
tdav_producer_dsound_start,
tdav_producer_dsound_pause,
tdav_producer_dsound_stop
};
const tmedia_producer_plugin_def_t *tdav_producer_dsound_plugin_def_t = &tdav_producer_dsound_plugin_def_s;
#endif /* HAVE_DSOUND_H */ |