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Diffstat (limited to 'tinyDAV/src/audio/directsound/tdav_producer_dsound.c')
-rw-r--r--tinyDAV/src/audio/directsound/tdav_producer_dsound.c402
1 files changed, 402 insertions, 0 deletions
diff --git a/tinyDAV/src/audio/directsound/tdav_producer_dsound.c b/tinyDAV/src/audio/directsound/tdav_producer_dsound.c
new file mode 100644
index 0000000..c5ae167
--- /dev/null
+++ b/tinyDAV/src/audio/directsound/tdav_producer_dsound.c
@@ -0,0 +1,402 @@
+/*
+* Copyright (C) 2010-2015 Mamadou DIOP.
+*
+* 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 */ \ No newline at end of file
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