| 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_dsound.c
* @brief Microsoft DirectSound consumer.
*
* @author Mamadou Diop <diopmamadou(at)doubango.org>
*/
#include "tinydav/audio/directsound/tdav_consumer_dsound.h"
#if HAVE_DSOUND_H
#if defined(_MSC_VER)
# pragma comment(lib, "dsound.lib")
// # pragma comment(lib, "dxguid.lib")
#endif
#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_CONSUMER_NOTIF_POS_COUNT)
# define TDAV_DSOUND_CONSUMER_NOTIF_POS_COUNT 20
#endif /* TDAV_DSOUND_CONSUMER_NOTIF_POS_COUNT */
typedef struct tdav_consumer_dsound_s
{
TDAV_DECLARE_CONSUMER_AUDIO;
tsk_bool_t started;
tsk_size_t bytes_per_notif_size;
uint8_t* bytes_per_notif_ptr;
tsk_thread_handle_t* tid[1];
LPDIRECTSOUND device;
LPDIRECTSOUNDBUFFER primaryBuffer;
LPDIRECTSOUNDBUFFER secondaryBuffer;
HANDLE notifEvents[TDAV_DSOUND_CONSUMER_NOTIF_POS_COUNT];
}
tdav_consumer_dsound_t;
static _inline int32_t __convert_volume(int32_t volume)
{
static const int32_t __step = (DSBVOLUME_MAX - DSBVOLUME_MIN) / 100;
return (volume * __step) + DSBVOLUME_MIN;
}
static void* TSK_STDCALL _tdav_consumer_dsound_playback_thread(void *param)
{
tdav_consumer_dsound_t* dsound = (tdav_consumer_dsound_t*)param;
HRESULT hr;
LPVOID lpvAudio1, lpvAudio2;
DWORD dwBytesAudio1, dwBytesAudio2, dwEvent;
static const DWORD dwWriteCursor = 0;
tsk_size_t out_size;
TSK_DEBUG_INFO("_tdav_consumer_dsound_playback_thread -- START");
SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_HIGHEST);
while (dsound->started) {
dwEvent = WaitForMultipleObjects(TDAV_DSOUND_CONSUMER_NOTIF_POS_COUNT, dsound->notifEvents, FALSE, INFINITE);
if (!dsound->started) {
break;
}
// lock
hr = IDirectSoundBuffer_Lock(
dsound->secondaryBuffer,
dwWriteCursor/* Ignored because of DSBLOCK_FROMWRITECURSOR */,
(DWORD)dsound->bytes_per_notif_size,
&lpvAudio1, &dwBytesAudio1,
&lpvAudio2, &dwBytesAudio2,
DSBLOCK_FROMWRITECURSOR);
if (hr != DS_OK) {
tdav_win32_print_error("IDirectSoundBuffer_Lock", hr);
goto next;
}
out_size = tdav_consumer_audio_get(TDAV_CONSUMER_AUDIO(dsound), dsound->bytes_per_notif_ptr, dsound->bytes_per_notif_size);
if (out_size < dsound->bytes_per_notif_size) {
// fill with silence
memset(&dsound->bytes_per_notif_ptr[out_size], 0, (dsound->bytes_per_notif_size - out_size));
}
if ((dwBytesAudio1 + dwBytesAudio2) == dsound->bytes_per_notif_size) {
memcpy(lpvAudio1, dsound->bytes_per_notif_ptr, dwBytesAudio1);
if (lpvAudio2 && dwBytesAudio2) {
memcpy(lpvAudio2, &dsound->bytes_per_notif_ptr[dwBytesAudio1], dwBytesAudio2);
}
}
else {
TSK_DEBUG_ERROR("Not expected: %d+%d#%d", dwBytesAudio1, dwBytesAudio2, dsound->bytes_per_notif_size);
}
#if 0
memset(lpvAudio1, rand(), dwBytesAudio1);
#endif
// unlock
if ((hr = IDirectSoundBuffer_Unlock(dsound->secondaryBuffer, lpvAudio1, dwBytesAudio1, lpvAudio2, dwBytesAudio2)) != DS_OK) {
tdav_win32_print_error("IDirectSoundBuffer_UnLock", hr);
goto next;
}
next:
tdav_consumer_audio_tick(TDAV_CONSUMER_AUDIO(dsound));
}
TSK_DEBUG_INFO("_tdav_consumer_dsound_playback_thread -- STOP");
return tsk_null;
}
static int _tdav_consumer_dsound_unprepare(tdav_consumer_dsound_t *dsound)
{
if(dsound){
tsk_size_t i;
if(dsound->primaryBuffer){
IDirectSoundBuffer_Release(dsound->primaryBuffer);
dsound->primaryBuffer = NULL;
}
if(dsound->secondaryBuffer){
IDirectSoundBuffer_Release(dsound->secondaryBuffer);
dsound->secondaryBuffer = NULL;
}
if(dsound->device){
IDirectSound_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 Consumer Interface ================= */
static int tdav_consumer_dsound_set(tmedia_consumer_t* self, const tmedia_param_t* param)
{
tdav_consumer_dsound_t* dsound = (tdav_consumer_dsound_t*)self;
int ret = tdav_consumer_audio_set(TDAV_CONSUMER_AUDIO(self), param);
if(ret == 0){
if(dsound->secondaryBuffer && tsk_striequals(param->key, "volume")){
if(IDirectSoundBuffer_SetVolume(dsound->secondaryBuffer, __convert_volume(TMEDIA_CONSUMER(self)->audio.volume)) != DS_OK){
TSK_DEBUG_ERROR("IDirectSoundBuffer_SetVolume() failed");
ret = -1;
}
}
}
return ret;
}
static int tdav_consumer_dsound_prepare(tmedia_consumer_t* self, const tmedia_codec_t* codec)
{
HRESULT hr;
HWND hWnd;
WAVEFORMATEX wfx = {0};
DSBUFFERDESC dsbd = {0};
tdav_consumer_dsound_t* dsound = (tdav_consumer_dsound_t*)self;
if(!dsound){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
if(dsound->device || dsound->primaryBuffer || dsound->secondaryBuffer){
TSK_DEBUG_ERROR("Consumer already prepared");
return -2;
}
TMEDIA_CONSUMER(dsound)->audio.ptime = TMEDIA_CODEC_PTIME_AUDIO_DECODING(codec);
TMEDIA_CONSUMER(dsound)->audio.in.channels = TMEDIA_CODEC_CHANNELS_AUDIO_DECODING(codec);
TMEDIA_CONSUMER(dsound)->audio.in.rate = TMEDIA_CODEC_RATE_DECODING(codec);
#if 0
TMEDIA_CONSUMER(dsound)->audio.out.rate = 48000;
TMEDIA_CONSUMER(dsound)->audio.out.channels = 2;
#endif
/* Create sound device */
if((hr = DirectSoundCreate(NULL, &dsound->device, NULL) != DS_OK)){
tdav_win32_print_error("DirectSoundCreate", hr);
return -3;
}
/* Set CooperativeLevel */
if((hWnd = GetForegroundWindow()) || (hWnd = GetDesktopWindow()) || (hWnd = GetConsoleWindow())){
if((hr = IDirectSound_SetCooperativeLevel(dsound->device, hWnd, DSSCL_PRIORITY)) != DS_OK){
tdav_win32_print_error("IDirectSound_SetCooperativeLevel", hr);
return -2;
}
}
/* Creates the primary buffer and apply format */
wfx.wFormatTag = WAVE_FORMAT_PCM;
wfx.nChannels = TMEDIA_CONSUMER(dsound)->audio.out.channels ? TMEDIA_CONSUMER(dsound)->audio.out.channels : TMEDIA_CONSUMER(dsound)->audio.in.channels;
wfx.nSamplesPerSec = TMEDIA_CONSUMER(dsound)->audio.out.rate ? TMEDIA_CONSUMER(dsound)->audio.out.rate : TMEDIA_CONSUMER(dsound)->audio.in.rate;
wfx.wBitsPerSample = TMEDIA_CONSUMER(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_CONSUMER(dsound)->audio.ptime)/1000);
if(!(dsound->bytes_per_notif_ptr = tsk_realloc(dsound->bytes_per_notif_ptr, dsound->bytes_per_notif_size))){
TSK_DEBUG_ERROR("Failed to allocate buffer with size = %u", dsound->bytes_per_notif_size);
return -3;
}
dsbd.dwSize = sizeof(DSBUFFERDESC);
dsbd.dwFlags = DSBCAPS_PRIMARYBUFFER;
dsbd.dwBufferBytes = 0;
dsbd.lpwfxFormat = NULL;
if((hr = IDirectSound_CreateSoundBuffer(dsound->device, &dsbd, &dsound->primaryBuffer, NULL)) != DS_OK){
tdav_win32_print_error("IDirectSound_CreateSoundBuffer", hr);
return -4;
}
if((hr = IDirectSoundBuffer_SetFormat(dsound->primaryBuffer, &wfx)) != DS_OK){
tdav_win32_print_error("IDirectSoundBuffer_SetFormat", hr);
return -5;
}
/* Creates the secondary buffer and apply format */
dsbd.dwFlags = (DSBCAPS_CTRLPOSITIONNOTIFY | DSBCAPS_GLOBALFOCUS | DSBCAPS_CTRLVOLUME);
dsbd.dwBufferBytes = (DWORD)(TDAV_DSOUND_CONSUMER_NOTIF_POS_COUNT * dsound->bytes_per_notif_size);
dsbd.lpwfxFormat = &wfx;
if((hr = IDirectSound_CreateSoundBuffer(dsound->device, &dsbd, &dsound->secondaryBuffer, NULL)) != DS_OK){
tdav_win32_print_error("IDirectSound_CreateSoundBuffer", hr);
return -6;
}
/* Set Volume */
if(IDirectSoundBuffer_SetVolume(dsound->secondaryBuffer, __convert_volume(TMEDIA_CONSUMER(self)->audio.volume)) != DS_OK){
TSK_DEBUG_ERROR("IDirectSoundBuffer_SetVolume() failed");
}
return 0;
}
static int tdav_consumer_dsound_start(tmedia_consumer_t* self)
{
tdav_consumer_dsound_t* dsound = (tdav_consumer_dsound_t*)self;
tsk_size_t i;
HRESULT hr;
LPDIRECTSOUNDNOTIFY lpDSBNotify;
DSBPOSITIONNOTIFY pPosNotify[TDAV_DSOUND_CONSUMER_NOTIF_POS_COUNT] = {0};
static DWORD dwMajorVersion = -1;
// Get OS version
if(dwMajorVersion == -1){
OSVERSIONINFO osvi;
ZeroMemory(&osvi, sizeof(OSVERSIONINFO));
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx(&osvi);
dwMajorVersion = osvi.dwMajorVersion;
}
if(!dsound){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
if(!dsound->device || !dsound->primaryBuffer || !dsound->secondaryBuffer){
TSK_DEBUG_ERROR("Consumer not prepared");
return -2;
}
if(dsound->started){
return 0;
}
if((hr = IDirectSoundBuffer_QueryInterface(dsound->secondaryBuffer, &IID_IDirectSoundNotify, (LPVOID*)&lpDSBNotify)) != DS_OK){
tdav_win32_print_error("IDirectSoundBuffer_QueryInterface", hr);
return -3;
}
/* Events associated to notification points */
for(i = 0; i<TDAV_DSOUND_CONSUMER_NOTIF_POS_COUNT; i++){
dsound->notifEvents[i] = CreateEvent(NULL, FALSE, FALSE, NULL);
// set notification point offset at the start of the buffer for Windows Vista and later and at the half of the buffer of XP and before
pPosNotify[i].dwOffset = (DWORD)((dsound->bytes_per_notif_size * i) + (dwMajorVersion > 5 ? (dsound->bytes_per_notif_size >> 1) : 1));
pPosNotify[i].hEventNotify = dsound->notifEvents[i];
}
if((hr = IDirectSoundNotify_SetNotificationPositions(lpDSBNotify, TDAV_DSOUND_CONSUMER_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 = IDirectSoundBuffer_Play(dsound->secondaryBuffer, 0, 0, DSBPLAY_LOOPING)) != DS_OK){
tdav_win32_print_error("IDirectSoundNotify_Release", hr);
return -5;
}
/* start the reader thread */
dsound->started = tsk_true;
tsk_thread_create(&dsound->tid[0], _tdav_consumer_dsound_playback_thread, dsound);
return 0;
}
static int tdav_consumer_dsound_consume(tmedia_consumer_t* self, const void* buffer, tsk_size_t size, const tsk_object_t* proto_hdr)
{
tdav_consumer_dsound_t* dsound = (tdav_consumer_dsound_t*)self;
if(!dsound || !buffer || !size){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
/* buffer is already decoded */
return tdav_consumer_audio_put(TDAV_CONSUMER_AUDIO(dsound), buffer, size, proto_hdr);
}
static int tdav_consumer_dsound_pause(tmedia_consumer_t* self)
{
return 0;
}
static int tdav_consumer_dsound_stop(tmedia_consumer_t* self)
{
tdav_consumer_dsound_t* dsound = (tdav_consumer_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;
/* stop thread */
if(dsound->tid[0]){
tsk_thread_join(&(dsound->tid[0]));
}
if((hr = IDirectSoundBuffer_Stop(dsound->secondaryBuffer)) != DS_OK){
tdav_win32_print_error("IDirectSoundBuffer_Stop", hr);
}
if((hr = IDirectSoundBuffer_SetCurrentPosition(dsound->secondaryBuffer, 0)) != DS_OK){
tdav_win32_print_error("IDirectSoundBuffer_SetCurrentPosition", hr);
}
// unprepare
// will be prepared again before calling next start()
_tdav_consumer_dsound_unprepare(dsound);
return 0;
}
//
// WaveAPI consumer object definition
//
/* constructor */
static tsk_object_t* tdav_consumer_dsound_ctor(tsk_object_t * self, va_list * app)
{
tdav_consumer_dsound_t *consumer = self;
if(consumer){
/* init base */
tdav_consumer_audio_init(TDAV_CONSUMER_AUDIO(consumer));
/* init self */
}
return self;
}
/* destructor */
static tsk_object_t* tdav_consumer_dsound_dtor(tsk_object_t * self)
{
tdav_consumer_dsound_t *dsound = self;
if(dsound){
/* stop */
if(dsound->started){
tdav_consumer_dsound_stop(self);
}
/* deinit base */
tdav_consumer_audio_deinit(TDAV_CONSUMER_AUDIO(dsound));
/* deinit self */
_tdav_consumer_dsound_unprepare(dsound);
TSK_FREE(dsound->bytes_per_notif_ptr);
}
return self;
}
/* object definition */
static const tsk_object_def_t tdav_consumer_dsound_def_s =
{
sizeof(tdav_consumer_dsound_t),
tdav_consumer_dsound_ctor,
tdav_consumer_dsound_dtor,
tdav_consumer_audio_cmp,
};
/* plugin definition*/
static const tmedia_consumer_plugin_def_t tdav_consumer_dsound_plugin_def_s =
{
&tdav_consumer_dsound_def_s,
tmedia_audio,
"Microsoft DirectSound consumer",
tdav_consumer_dsound_set,
tdav_consumer_dsound_prepare,
tdav_consumer_dsound_start,
tdav_consumer_dsound_consume,
tdav_consumer_dsound_pause,
tdav_consumer_dsound_stop
};
const tmedia_consumer_plugin_def_t *tdav_consumer_dsound_plugin_def_t = &tdav_consumer_dsound_plugin_def_s;
#endif /* HAVE_DSOUND_H */ |