static gboolean
gst_decklink_sink_start (GstDecklinkSink * decklinksink)
{
HRESULT ret;
const GstDecklinkMode *mode;
BMDAudioSampleType sample_depth;
decklinksink->decklink = gst_decklink_get_nth_device (decklinksink->device);
if (!decklinksink->decklink) {
GST_WARNING ("failed to get device %d", decklinksink->device);
return FALSE;
}
decklinksink->output = gst_decklink_get_nth_output (decklinksink->device);
decklinksink->output->SetAudioCallback (decklinksink->callback);
mode = gst_decklink_get_mode (decklinksink->mode);
ret = decklinksink->output->EnableVideoOutput (mode->mode,
bmdVideoOutputFlagDefault);
if (ret != S_OK) {
GST_WARNING ("failed to enable video output");
return FALSE;
}
//decklinksink->video_enabled = TRUE;
decklinksink->output->SetScheduledFrameCompletionCallback (decklinksink->
callback);
sample_depth = bmdAudioSampleType16bitInteger;
ret = decklinksink->output->EnableAudioOutput (bmdAudioSampleRate48kHz,
sample_depth, 2, bmdAudioOutputStreamContinuous);
if (ret != S_OK) {
GST_WARNING ("failed to enable audio output");
return FALSE;
}
decklinksink->audio_adapter = gst_adapter_new ();
decklinksink->num_frames = 0;
return TRUE;
}
/* FIXME: post error messages for the misc. failures */
static gboolean
gst_decklink_src_start (GstElement * element)
{
GstDecklinkSrc *decklinksrc = GST_DECKLINK_SRC (element);
DeckLinkCaptureDelegate *delegate;
BMDAudioSampleType sample_depth;
int channels;
HRESULT ret;
const GstDecklinkMode *mode;
IDeckLinkConfiguration *config;
BMDVideoConnection conn;
BMDAudioConnection aconn;
GST_DEBUG_OBJECT (decklinksrc, "start");
decklinksrc->decklink = gst_decklink_get_nth_device (decklinksrc->device);
if (decklinksrc->decklink == NULL) {
return FALSE;
}
decklinksrc->input = gst_decklink_get_nth_input (decklinksrc->device);
delegate = new DeckLinkCaptureDelegate ();
delegate->priv = decklinksrc;
ret = decklinksrc->input->SetCallback (delegate);
if (ret != S_OK) {
GST_ERROR ("set callback failed (input source)");
return FALSE;
}
decklinksrc->config = gst_decklink_get_nth_config (decklinksrc->device);
config = decklinksrc->config;
switch (decklinksrc->connection) {
default:
case GST_DECKLINK_CONNECTION_SDI:
conn = bmdVideoConnectionSDI;
aconn = bmdAudioConnectionEmbedded;
break;
case GST_DECKLINK_CONNECTION_HDMI:
conn = bmdVideoConnectionHDMI;
aconn = bmdAudioConnectionEmbedded;
break;
case GST_DECKLINK_CONNECTION_OPTICAL_SDI:
conn = bmdVideoConnectionOpticalSDI;
aconn = bmdAudioConnectionEmbedded;
break;
case GST_DECKLINK_CONNECTION_COMPONENT:
conn = bmdVideoConnectionComponent;
aconn = bmdAudioConnectionAnalog;
break;
case GST_DECKLINK_CONNECTION_COMPOSITE:
conn = bmdVideoConnectionComposite;
aconn = bmdAudioConnectionAnalog;
break;
case GST_DECKLINK_CONNECTION_SVIDEO:
conn = bmdVideoConnectionSVideo;
aconn = bmdAudioConnectionAnalog;
break;
}
ret = config->SetInt (bmdDeckLinkConfigVideoInputConnection, conn);
if (ret != S_OK) {
GST_ERROR ("set configuration (input source)");
return FALSE;
}
if (decklinksrc->connection == GST_DECKLINK_CONNECTION_COMPOSITE) {
ret = config->SetInt (bmdDeckLinkConfigAnalogVideoInputFlags,
bmdAnalogVideoFlagCompositeSetup75);
if (ret != S_OK) {
GST_ERROR ("set configuration (composite setup)");
return FALSE;
}
}
switch (decklinksrc->audio_connection) {
default:
case GST_DECKLINK_AUDIO_CONNECTION_AUTO:
/* set above */
break;
case GST_DECKLINK_AUDIO_CONNECTION_EMBEDDED:
aconn = bmdAudioConnectionEmbedded;
break;
case GST_DECKLINK_AUDIO_CONNECTION_AES_EBU:
aconn = bmdAudioConnectionAESEBU;
break;
case GST_DECKLINK_AUDIO_CONNECTION_ANALOG:
aconn = bmdAudioConnectionAnalog;
break;
}
ret = config->SetInt (bmdDeckLinkConfigAudioInputConnection, aconn);
if (ret != S_OK) {
GST_ERROR ("set configuration (audio input connection)");
return FALSE;
}
mode = gst_decklink_get_mode (decklinksrc->mode);
ret = decklinksrc->input->EnableVideoInput (mode->mode, bmdFormat8BitYUV, 0);
if (ret != S_OK) {
GST_ERROR ("enable video input failed");
return FALSE;
}
sample_depth = bmdAudioSampleType16bitInteger;
channels = 2;
ret = decklinksrc->input->EnableAudioInput (bmdAudioSampleRate48kHz,
sample_depth, channels);
if (ret != S_OK) {
GST_ERROR ("enable video input failed");
return FALSE;
}
ret = decklinksrc->input->StartStreams ();
if (ret != S_OK) {
GST_ERROR ("start streams failed");
return FALSE;
}
g_rec_mutex_lock (&decklinksrc->task_mutex);
gst_task_start (decklinksrc->task);
g_rec_mutex_unlock (&decklinksrc->task_mutex);
return TRUE;
}
static gboolean
gst_decklink_src_start (GstElement * element)
{
GstDecklinkSrc *decklinksrc = GST_DECKLINK_SRC (element);
DeckLinkCaptureDelegate *delegate;
//IDeckLinkDisplayModeIterator *mode_iterator;
//IDeckLinkDisplayMode *mode;
BMDAudioSampleType sample_depth;
int channels;
HRESULT ret;
const GstDecklinkMode *mode;
IDeckLinkConfiguration *config;
BMDVideoConnection conn;
BMDAudioConnection aconn;
GST_DEBUG_OBJECT (decklinksrc, "start");
decklinksrc->decklink = gst_decklink_get_nth_device (decklinksrc->device);
if (decklinksrc->decklink == NULL) {
return FALSE;
}
ret = decklinksrc->decklink->QueryInterface (IID_IDeckLinkInput,
(void **) &decklinksrc->input);
if (ret != S_OK) {
GST_ERROR ("selected device does not have input interface");
return FALSE;
}
delegate = new DeckLinkCaptureDelegate ();
delegate->priv = decklinksrc;
decklinksrc->input->SetCallback (delegate);
ret = decklinksrc->decklink->QueryInterface (IID_IDeckLinkConfiguration,
(void **) &config);
if (ret != S_OK) {
GST_ERROR ("query interface failed");
return FALSE;
}
switch (decklinksrc->connection) {
default:
case GST_DECKLINK_CONNECTION_SDI:
conn = bmdVideoConnectionSDI;
aconn = bmdAudioConnectionEmbedded;
break;
case GST_DECKLINK_CONNECTION_HDMI:
conn = bmdVideoConnectionHDMI;
aconn = bmdAudioConnectionEmbedded;
break;
case GST_DECKLINK_CONNECTION_OPTICAL_SDI:
conn = bmdVideoConnectionOpticalSDI;
aconn = bmdAudioConnectionEmbedded;
break;
case GST_DECKLINK_CONNECTION_COMPONENT:
conn = bmdVideoConnectionComponent;
aconn = bmdAudioConnectionAnalog;
break;
case GST_DECKLINK_CONNECTION_COMPOSITE:
conn = bmdVideoConnectionComposite;
aconn = bmdAudioConnectionAnalog;
break;
case GST_DECKLINK_CONNECTION_SVIDEO:
conn = bmdVideoConnectionSVideo;
aconn = bmdAudioConnectionAnalog;
break;
}
ret = config->SetInt (bmdDeckLinkConfigVideoInputConnection, conn);
if (ret != S_OK) {
GST_ERROR ("set configuration (input source)");
return FALSE;
}
if (decklinksrc->connection == GST_DECKLINK_CONNECTION_COMPOSITE) {
ret = config->SetInt (bmdDeckLinkConfigAnalogVideoInputFlags,
bmdAnalogVideoFlagCompositeSetup75);
if (ret != S_OK) {
GST_ERROR ("set configuration (composite setup)");
return FALSE;
}
}
switch (decklinksrc->audio_connection) {
default:
case GST_DECKLINK_AUDIO_CONNECTION_AUTO:
break;
case GST_DECKLINK_AUDIO_CONNECTION_EMBEDDED:
aconn = bmdAudioConnectionEmbedded;
break;
case GST_DECKLINK_AUDIO_CONNECTION_AES_EBU:
aconn = bmdAudioConnectionAESEBU;
break;
case GST_DECKLINK_AUDIO_CONNECTION_ANALOG:
aconn = bmdAudioConnectionAnalog;
break;
}
ret = config->SetInt (bmdDeckLinkConfigAudioInputConnection, aconn);
if (ret != S_OK) {
GST_ERROR ("set configuration (audio input connection)");
return FALSE;
}
#if 0
ret = decklinksrc->input->GetDisplayModeIterator (&mode_iterator);
if (ret != S_OK) {
GST_ERROR ("failed to get display mode iterator");
return FALSE;
}
i = 0;
while (mode_iterator->Next (&mode) == S_OK) {
const char *mode_name;
mode->GetName (&mode_name);
GST_DEBUG ("%d: mode name: %s", i, mode_name);
mode->Release ();
i++;
}
#endif
mode = gst_decklink_get_mode (decklinksrc->mode);
ret = decklinksrc->input->EnableVideoInput (mode->mode, bmdFormat8BitYUV, 0);
if (ret != S_OK) {
GST_ERROR ("enable video input failed");
return FALSE;
}
sample_depth = bmdAudioSampleType16bitInteger;
channels = 2;
ret = decklinksrc->input->EnableAudioInput (bmdAudioSampleRate48kHz,
sample_depth, channels);
if (ret != S_OK) {
GST_ERROR ("enable video input failed");
return FALSE;
}
ret = decklinksrc->input->StartStreams ();
if (ret != S_OK) {
GST_ERROR ("start streams failed");
return FALSE;
}
g_static_rec_mutex_lock (&decklinksrc->task_mutex);
gst_task_start (decklinksrc->task);
g_static_rec_mutex_unlock (&decklinksrc->task_mutex);
return TRUE;
}
