diff options
Diffstat (limited to 'tinyDAV/src/audio/directsound/tdav_consumer_dsound.c')
| -rw-r--r-- | tinyDAV/src/audio/directsound/tdav_consumer_dsound.c | 377 |
1 files changed, 377 insertions, 0 deletions
diff --git a/tinyDAV/src/audio/directsound/tdav_consumer_dsound.c b/tinyDAV/src/audio/directsound/tdav_consumer_dsound.c new file mode 100644 index 0000000..dd8d6ed --- /dev/null +++ b/tinyDAV/src/audio/directsound/tdav_consumer_dsound.c @@ -0,0 +1,377 @@ +/*
+* 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_consumer_dsound.c
+ * @brief Microsoft DirectSound consumer.
+ *
+ * @author Mamadou Diop <diopmamadou(at)doubango.org>
+ *
+ * @date Created: Sat Nov 8 16:54:58 2009 mdiop
+ */
+#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 "tinydav/tdav_win32.h"
+
+#include "tsk_thread.h"
+#include "tsk_memory.h"
+#include "tsk_debug.h"
+
+#include <initguid.h>
+
+#define tdav_consumer_dsound_set tsk_null
+
+static void *__playback_thread(void *param)
+{
+ tdav_consumer_dsound_t* dsound = (tdav_consumer_dsound_t*)param;
+
+ HRESULT hr;
+ LPVOID lpvAudio1, lpvAudio2;
+ DWORD dwBytesAudio1, dwBytesAudio2;
+
+ void* data;
+ int index;
+
+ TSK_DEBUG_INFO("__playback_thread -- START");
+
+ SetPriorityClass(GetCurrentThread(), REALTIME_PRIORITY_CLASS);
+
+ for(;;){
+ DWORD dwEvent = WaitForMultipleObjects(sizeof(dsound->notifEvents)/sizeof(HANDLE), dsound->notifEvents, FALSE, INFINITE);
+
+ if(!dsound->started){
+ break;
+ }
+ else {
+ tsk_size_t out_size = 0;
+ data = tdav_consumer_audio_get(TDAV_CONSUMER_AUDIO(dsound), &out_size);
+ index = (dwEvent == (TDAV_DSOUNS_CONSUMER_NOTIF_POS_COUNT-1)) ? 0 : (dwEvent + 1);
+
+ // lock
+ if((hr = IDirectSoundBuffer_Lock(dsound->secondaryBuffer, (index * dsound->bytes_per_notif), dsound->bytes_per_notif, &lpvAudio1, &dwBytesAudio1, &lpvAudio2, &dwBytesAudio2, 0)) != DS_OK){
+ tdav_win32_print_error("IDirectSoundBuffer_Lock", hr);
+ goto next;
+ }
+
+ if(data){
+ // copy data to dsound buffers
+ memcpy(lpvAudio1, data, TSK_MIN(dwBytesAudio1, out_size));
+ if(lpvAudio2){
+ memcpy(lpvAudio2, ((LPBYTE*)data) + dwBytesAudio1, dwBytesAudio2);
+ }
+ }
+ else{
+ // Put silence
+ memset(lpvAudio1, 0, dwBytesAudio1);
+ if(lpvAudio2){
+ memset(lpvAudio2, 0, dwBytesAudio2);
+ }
+ }
+
+ // unlock
+ if((hr = IDirectSoundBuffer_Unlock(dsound->secondaryBuffer, lpvAudio1, dwBytesAudio1, lpvAudio2, dwBytesAudio2)) != DS_OK){
+ tdav_win32_print_error("IDirectSoundBuffer_UnLock", hr);
+ goto next;
+ }
+next:
+ TSK_FREE(data);
+ }
+ }
+
+ TSK_DEBUG_INFO("__playback_thread -- STOP");
+
+
+ return tsk_null;
+}
+
+
+
+
+/* ============ Media Consumer Interface ================= */
+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;
+ }
+
+ TDAV_CONSUMER_AUDIO(dsound)->channels = codec->plugin->audio.channels;
+ TDAV_CONSUMER_AUDIO(dsound)->rate = codec->plugin->rate;
+
+ /* Create sound device */
+ if((hr = DirectSoundCreate(NULL, &dsound->device, NULL) != DS_OK)){
+ tdav_win32_print_error("DirectSoundCreate", hr);
+ return -3;
+ }
+
+ /* Set CooperativeLevel */
+ if((hWnd = GetConsoleWindow()) || (hWnd = GetDesktopWindow()) || (hWnd = GetForegroundWindow())){
+ if((hr = IDirectSound_SetCooperativeLevel(dsound->device, hWnd, DSSCL_PRIORITY)) != DS_OK){
+ tdav_win32_print_error("IDirectSound_SetCooperativeLevel", hr);
+ }
+ }
+
+ /* Creates the primary buffer and apply format */
+ wfx.wFormatTag = WAVE_FORMAT_PCM;
+ wfx.nChannels = TDAV_CONSUMER_AUDIO(dsound)->channels;
+ wfx.nSamplesPerSec = TDAV_CONSUMER_AUDIO(dsound)->rate;
+ wfx.wBitsPerSample = TDAV_CONSUMER_AUDIO(dsound)->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 = ((wfx.nAvgBytesPerSec * TDAV_CONSUMER_AUDIO(dsound)->ptime)/1000);
+
+ 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);
+ dsbd.dwBufferBytes = (TDAV_DSOUNS_CONSUMER_NOTIF_POS_COUNT * dsound->bytes_per_notif);
+ dsbd.lpwfxFormat = &wfx;
+
+ if((hr = IDirectSound_CreateSoundBuffer(dsound->device, &dsbd, &dsound->secondaryBuffer, NULL)) != DS_OK){
+ tdav_win32_print_error("IDirectSound_CreateSoundBuffer", hr);
+ return -6;
+ }
+
+
+ return 0;
+}
+
+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_DSOUNS_CONSUMER_NOTIF_POS_COUNT] = {0};
+
+ 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){
+ TSK_DEBUG_WARN("Consumer already 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<sizeof(dsound->notifEvents)/sizeof(HANDLE); i++){
+ dsound->notifEvents[i] = CreateEvent(NULL, FALSE, FALSE, NULL);
+ pPosNotify[i].dwOffset = ((dsound->bytes_per_notif * i) + dsound->bytes_per_notif) - 1;
+ pPosNotify[i].hEventNotify = dsound->notifEvents[i];
+ }
+ if((hr = IDirectSoundNotify_SetNotificationPositions(lpDSBNotify, TDAV_DSOUNS_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 reader thread */
+ tsk_thread_create(&dsound->tid[0], __playback_thread, dsound);
+
+ /* Start the buffer */
+ if((hr = IDirectSoundBuffer_Play(dsound->secondaryBuffer,0, 0, DSBPLAY_LOOPING)) != DS_OK){
+ tdav_win32_print_error("IDirectSoundNotify_Release", hr);
+ return -5;
+ }
+
+ dsound->started = tsk_true;
+
+ return 0;
+}
+
+int tdav_consumer_dsound_consume(tmedia_consumer_t* self, 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 || !*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);
+}
+
+int tdav_consumer_dsound_pause(tmedia_consumer_t* self)
+{
+ return 0;
+}
+
+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){
+ TSK_DEBUG_WARN("Consumer not 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);
+ }
+
+ 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){
+ tsk_size_t i;
+
+ /* stop */
+ if(dsound->started){
+ tdav_consumer_dsound_stop(self);
+ }
+
+ /* deinit base */
+ tdav_consumer_audio_deinit(TDAV_CONSUMER_AUDIO(dsound));
+ /* deinit self */
+ // Delete secondary buffer
+ if(dsound->primaryBuffer){
+ IDirectSoundBuffer_Release(dsound->primaryBuffer);
+ }
+ if(dsound->secondaryBuffer){
+ IDirectSoundBuffer_Release(dsound->secondaryBuffer);
+ }
+ if(dsound->device){
+ IDirectSound_Release(dsound->device);
+ }
+ for(i = 0; i<sizeof(dsound->notifEvents)/sizeof(HANDLE); i++){
+ if(dsound->notifEvents[i]){
+ CloseHandle(dsound->notifEvents[i]);
+ }
+ }
+ }
+
+ 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 */
\ No newline at end of file |
