static gboolean
gst_decklink_audio_src_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
{
GstDecklinkAudioSrc *self = GST_DECKLINK_AUDIO_SRC_CAST (bsrc);
BMDAudioSampleType sample_depth;
GstCaps *current_caps;
HRESULT ret;
BMDAudioConnection conn = (BMDAudioConnection) - 1;
GST_DEBUG_OBJECT (self, "Setting caps %" GST_PTR_FORMAT, caps);
if ((current_caps = gst_pad_get_current_caps (GST_BASE_SRC_PAD (bsrc)))) {
GstCaps *curcaps_cp;
GstStructure *cur_st, *caps_st;
GST_DEBUG_OBJECT (self, "Pad already has caps %" GST_PTR_FORMAT, caps);
curcaps_cp = gst_caps_make_writable (current_caps);
cur_st = gst_caps_get_structure (curcaps_cp, 0);
caps_st = gst_caps_get_structure (caps, 0);
gst_structure_remove_field (cur_st, "channel-mask");
if (!gst_structure_can_intersect (caps_st, cur_st)) {
GST_ERROR_OBJECT (self, "New caps are not compatible with old caps");
gst_caps_unref (current_caps);
gst_caps_unref (curcaps_cp);
return FALSE;
} else {
gst_caps_unref (current_caps);
gst_caps_unref (curcaps_cp);
return TRUE;
}
}
if (!gst_audio_info_from_caps (&self->info, caps))
return FALSE;
if (self->info.finfo->format == GST_AUDIO_FORMAT_S16LE) {
sample_depth = bmdAudioSampleType16bitInteger;
} else {
sample_depth = bmdAudioSampleType32bitInteger;
}
switch (self->connection) {
case GST_DECKLINK_AUDIO_CONNECTION_AUTO:{
GstElement *videosrc = NULL;
GstDecklinkConnectionEnum vconn;
// Try to get the connection from the videosrc and try
// to select a sensible audio connection based on that
g_mutex_lock (&self->input->lock);
if (self->input->videosrc)
videosrc = GST_ELEMENT_CAST (gst_object_ref (self->input->videosrc));
g_mutex_unlock (&self->input->lock);
if (videosrc) {
g_object_get (videosrc, "connection", &vconn, NULL);
gst_object_unref (videosrc);
switch (vconn) {
case GST_DECKLINK_CONNECTION_SDI:
conn = bmdAudioConnectionEmbedded;
break;
case GST_DECKLINK_CONNECTION_HDMI:
conn = bmdAudioConnectionEmbedded;
break;
case GST_DECKLINK_CONNECTION_OPTICAL_SDI:
conn = bmdAudioConnectionEmbedded;
break;
case GST_DECKLINK_CONNECTION_COMPONENT:
conn = bmdAudioConnectionAnalog;
break;
case GST_DECKLINK_CONNECTION_COMPOSITE:
conn = bmdAudioConnectionAnalog;
break;
case GST_DECKLINK_CONNECTION_SVIDEO:
conn = bmdAudioConnectionAnalog;
break;
default:
// Use default
break;
}
}
break;
}
case GST_DECKLINK_AUDIO_CONNECTION_EMBEDDED:
conn = bmdAudioConnectionEmbedded;
break;
case GST_DECKLINK_AUDIO_CONNECTION_AES_EBU:
conn = bmdAudioConnectionAESEBU;
break;
case GST_DECKLINK_AUDIO_CONNECTION_ANALOG:
conn = bmdAudioConnectionAnalog;
break;
case GST_DECKLINK_AUDIO_CONNECTION_ANALOG_XLR:
conn = bmdAudioConnectionAnalogXLR;
break;
case GST_DECKLINK_AUDIO_CONNECTION_ANALOG_RCA:
conn = bmdAudioConnectionAnalogRCA;
break;
default:
g_assert_not_reached ();
break;
}
if (conn != (BMDAudioConnection) - 1) {
ret =
self->input->config->SetInt (bmdDeckLinkConfigAudioInputConnection,
conn);
if (ret != S_OK) {
GST_ERROR ("set configuration (audio input connection): 0x%08x", ret);
return FALSE;
}
}
ret = self->input->input->EnableAudioInput (bmdAudioSampleRate48kHz,
sample_depth, 2);
if (ret != S_OK) {
GST_WARNING_OBJECT (self, "Failed to enable audio input: 0x%08x", ret);
return FALSE;
}
g_mutex_lock (&self->input->lock);
self->input->audio_enabled = TRUE;
if (self->input->start_streams && self->input->videosrc)
self->input->start_streams (self->input->videosrc);
g_mutex_unlock (&self->input->lock);
return TRUE;
}
static gboolean
compare_encoding_profile_with_discoverer_stream (GstValidateFileChecker * fc,
GstEncodingProfile * prof, GstDiscovererStreamInfo * stream, gchar ** msg)
{
gboolean ret = TRUE;
GstCaps *caps = NULL;
const GstCaps *profile_caps;
const GstCaps *restriction_caps;
caps = gst_discoverer_stream_info_get_caps (stream);
profile_caps = gst_encoding_profile_get_format (prof);
restriction_caps = gst_encoding_profile_get_restriction (prof);
/* TODO need to consider profile caps restrictions */
if (!_gst_caps_can_intersect_safe (caps, profile_caps)) {
gchar *caps_str = gst_caps_to_string (caps);
gchar *profile_caps_str = gst_caps_to_string (profile_caps);
SET_MESSAGE (msg, g_strdup_printf ("Caps '%s' didn't match profile '%s'",
profile_caps_str, caps_str));
g_free (caps_str);
g_free (profile_caps_str);
ret = FALSE;
goto end;
}
if (restriction_caps) {
GstStructure *structure;
gint i;
gboolean found = FALSE;
for (i = 0; i < gst_caps_get_size (restriction_caps); i++) {
structure = gst_caps_get_structure (restriction_caps, i);
structure = gst_structure_copy (structure);
gst_structure_set_name (structure,
gst_structure_get_name (gst_caps_get_structure (caps, 0)));
if (gst_structure_can_intersect (structure, gst_caps_get_structure (caps,
0))) {
gst_structure_free (structure);
found = TRUE;
break;
}
gst_structure_free (structure);
}
if (!found) {
gchar *caps_str = gst_caps_to_string (caps);
gchar *restriction_caps_str = gst_caps_to_string (restriction_caps);
SET_MESSAGE (msg,
g_strdup_printf ("Caps restriction '%s' wasn't respected on file "
"with caps '%s'", restriction_caps_str, caps_str));
g_free (caps_str);
g_free (restriction_caps_str);
ret = FALSE;
goto end;
}
}
if (GST_IS_ENCODING_CONTAINER_PROFILE (prof)) {
if (GST_IS_DISCOVERER_CONTAINER_INFO (stream)) {
ret =
ret & compare_container_profile_with_container_discoverer_stream (fc,
(GstEncodingContainerProfile *) prof,
(GstDiscovererContainerInfo *) stream, msg);
} else {
SET_MESSAGE (msg,
g_strdup_printf ("Expected container profile but found stream of %s",
gst_discoverer_stream_info_get_stream_type_nick (stream)));
ret = FALSE;
goto end;
}
} else if (GST_IS_ENCODING_VIDEO_PROFILE (prof)) {
if (!GST_IS_DISCOVERER_VIDEO_INFO (stream)) {
SET_MESSAGE (msg,
g_strdup_printf ("Expected video profile but found stream of %s",
gst_discoverer_stream_info_get_stream_type_nick (stream)));
ret = FALSE;
goto end;
}
} else if (GST_IS_ENCODING_AUDIO_PROFILE (prof)) {
if (!GST_IS_DISCOVERER_AUDIO_INFO (stream)) {
SET_MESSAGE (msg,
g_strdup_printf ("Expected audio profile but found stream of %s",
gst_discoverer_stream_info_get_stream_type_nick (stream)));
ret = FALSE;
goto end;
}
} else {
g_assert_not_reached ();
return FALSE;
}
end:
if (caps)
gst_caps_unref (caps);
return ret;
}