/* Based on gstbasetextoverlay.c */
static GstCaps *
gst_overlay_composition_src_query_caps (GstOverlayComposition * self,
GstCaps * filter)
{
GstCaps *peer_caps = NULL, *caps = NULL, *overlay_filter = NULL;
if (filter) {
/* duplicate filter caps which contains the composition into one version
* with the meta and one without. Filter the other caps by the software
* caps */
GstCaps *sw_caps = gst_static_caps_get (&overlay_composition_caps);
overlay_filter =
intersect_by_feature (filter,
GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION, sw_caps);
gst_caps_unref (sw_caps);
}
peer_caps = gst_pad_peer_query_caps (self->sinkpad, overlay_filter);
if (overlay_filter)
gst_caps_unref (overlay_filter);
if (peer_caps) {
GST_DEBUG_OBJECT (self->srcpad, "peer caps %" GST_PTR_FORMAT, peer_caps);
if (gst_caps_is_any (peer_caps)) {
/* if peer returns ANY caps, return filtered sink pad template caps */
caps = gst_caps_copy (gst_pad_get_pad_template_caps (self->sinkpad));
} else {
/* return upstream caps + composition feature + upstream caps
* filtered by the software caps. */
GstCaps *sw_caps = gst_static_caps_get (&overlay_composition_caps);
caps = add_feature_and_intersect (peer_caps,
GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION, sw_caps);
gst_caps_unref (sw_caps);
}
gst_caps_unref (peer_caps);
} else {
/* no peer, our padtemplate is enough then */
caps = gst_pad_get_pad_template_caps (self->srcpad);
}
if (filter) {
GstCaps *intersection;
intersection =
gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (caps);
caps = intersection;
}
GST_DEBUG_OBJECT (self->srcpad, "returning %" GST_PTR_FORMAT, caps);
return caps;
}
static GstCaps *
smart_encoder_sink_getcaps (GstPad * pad, GstCaps * filter)
{
GstCaps *peer, *tmpl, *res;
GstSmartEncoder *smart_encoder = GST_SMART_ENCODER (gst_pad_get_parent (pad));
/* Use computed caps */
if (smart_encoder->available_caps)
tmpl = gst_caps_ref (smart_encoder->available_caps);
else
tmpl = gst_static_pad_template_get_caps (&src_template);
/* Try getting it from downstream */
peer = gst_pad_peer_query_caps (smart_encoder->srcpad, tmpl);
if (peer == NULL) {
res = tmpl;
} else {
res = peer;
gst_caps_unref (tmpl);
}
gst_object_unref (smart_encoder);
return res;
}
static gboolean
gst_rtp_h263p_pay_setcaps (GstRTPBasePayload * payload, GstCaps * caps)
{
gboolean res;
GstCaps *peercaps;
gchar *encoding_name = NULL;
g_return_val_if_fail (gst_caps_is_fixed (caps), FALSE);
peercaps =
gst_pad_peer_query_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload), NULL);
if (peercaps) {
GstCaps *tcaps =
gst_pad_get_pad_template_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload));
GstCaps *intersect = gst_caps_intersect (peercaps, tcaps);
gst_caps_unref (tcaps);
gst_caps_unref (peercaps);
if (!gst_caps_is_empty (intersect)) {
GstStructure *s = gst_caps_get_structure (intersect, 0);
encoding_name = g_strdup (gst_structure_get_string (s, "encoding-name"));
}
gst_caps_unref (intersect);
}
if (!encoding_name)
encoding_name = g_strdup ("H263-1998");
gst_rtp_base_payload_set_options (payload, "video", TRUE,
(gchar *) encoding_name, 90000);
res = gst_rtp_base_payload_set_outcaps (payload, NULL);
g_free (encoding_name);
return res;
}
static gboolean
srcpad_can_dmabuf (GstMsdkDec * thiz)
{
gboolean ret = FALSE;
GstCaps *caps, *out_caps;
GstPad *srcpad;
srcpad = GST_VIDEO_DECODER_SRC_PAD (thiz);
caps = gst_pad_get_pad_template_caps (srcpad);
out_caps = gst_pad_peer_query_caps (srcpad, caps);
if (!out_caps)
goto done;
if (gst_caps_is_any (out_caps) || gst_caps_is_empty (out_caps)
|| out_caps == caps)
goto done;
if (_gst_caps_has_feature (out_caps, GST_CAPS_FEATURE_MEMORY_DMABUF))
ret = TRUE;
done:
if (caps)
gst_caps_unref (caps);
if (out_caps)
gst_caps_unref (out_caps);
return ret;
}
gboolean
gst_rtp_dtmf_depay_setcaps (GstRTPBaseDepayload * filter, GstCaps * caps)
{
GstCaps *filtercaps, *srccaps;
GstStructure *structure = gst_caps_get_structure (caps, 0);
gint clock_rate = 8000; /* default */
gst_structure_get_int (structure, "clock-rate", &clock_rate);
filter->clock_rate = clock_rate;
filtercaps =
gst_pad_get_pad_template_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (filter));
filtercaps = gst_caps_make_writable (filtercaps);
gst_caps_set_simple (filtercaps, "rate", G_TYPE_INT, clock_rate, NULL);
srccaps = gst_pad_peer_query_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (filter),
filtercaps);
gst_caps_unref (filtercaps);
gst_pad_set_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (filter), srccaps);
gst_caps_unref (srccaps);
return TRUE;
}
static GstCaps *
gst_dvd_spu_video_proxy_getcaps (GstPad * pad, GstCaps * filter)
{
GstDVDSpu *dvdspu = GST_DVD_SPU (gst_pad_get_parent (pad));
GstCaps *caps;
GstPad *otherpad;
/* Proxy the getcaps between videosink and the srcpad, ignoring the
* subpicture sink pad */
otherpad = (pad == dvdspu->srcpad) ? dvdspu->videosinkpad : dvdspu->srcpad;
caps = gst_pad_peer_query_caps (otherpad, filter);
if (caps) {
GstCaps *temp, *templ;
templ = gst_pad_get_pad_template_caps (otherpad);
temp = gst_caps_intersect (caps, templ);
gst_caps_unref (templ);
gst_caps_unref (caps);
caps = temp;
} else {
caps = gst_pad_get_pad_template_caps (pad);
}
gst_object_unref (dvdspu);
return caps;
}
static gboolean
same_clock_rate_fold (const GValue * item, GValue * ret, gpointer user_data)
{
GstPad *mypad = user_data;
GstPad *pad = g_value_get_object (item);
GstCaps *peercaps;
GstCaps *accumcaps;
GstCaps *intersect;
if (pad == mypad)
return TRUE;
accumcaps = g_value_get_boxed (ret);
peercaps = gst_pad_peer_query_caps (pad, accumcaps);
if (!peercaps) {
g_warning ("no peercaps");
return TRUE;
}
peercaps = gst_caps_make_writable (peercaps);
clear_caps (peercaps, TRUE);
intersect = gst_caps_intersect (accumcaps, peercaps);
g_value_take_boxed (ret, intersect);
gst_caps_unref (peercaps);
return !gst_caps_is_empty (intersect);
}
static GstCaps *
gst_rtp_opus_pay_getcaps (GstRTPBasePayload * payload,
GstPad * pad, GstCaps * filter)
{
GstCaps *caps, *peercaps, *tcaps;
GstStructure *s;
const gchar *stereo;
if (pad == GST_RTP_BASE_PAYLOAD_SRCPAD (payload))
return
GST_RTP_BASE_PAYLOAD_CLASS (gst_rtp_opus_pay_parent_class)->get_caps
(payload, pad, filter);
tcaps = gst_pad_get_pad_template_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload));
peercaps = gst_pad_peer_query_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload),
tcaps);
gst_caps_unref (tcaps);
if (!peercaps)
return
GST_RTP_BASE_PAYLOAD_CLASS (gst_rtp_opus_pay_parent_class)->get_caps
(payload, pad, filter);
if (gst_caps_is_empty (peercaps))
return peercaps;
caps = gst_pad_get_pad_template_caps (GST_RTP_BASE_PAYLOAD_SINKPAD (payload));
s = gst_caps_get_structure (peercaps, 0);
stereo = gst_structure_get_string (s, "stereo");
if (stereo != NULL) {
caps = gst_caps_make_writable (caps);
if (!strcmp (stereo, "1")) {
GstCaps *caps2 = gst_caps_copy (caps);
gst_caps_set_simple (caps, "channels", G_TYPE_INT, 2, NULL);
gst_caps_set_simple (caps2, "channels", G_TYPE_INT, 1, NULL);
caps = gst_caps_merge (caps, caps2);
} else if (!strcmp (stereo, "0")) {
GstCaps *caps2 = gst_caps_copy (caps);
gst_caps_set_simple (caps, "channels", G_TYPE_INT, 1, NULL);
gst_caps_set_simple (caps2, "channels", G_TYPE_INT, 2, NULL);
caps = gst_caps_merge (caps, caps2);
}
}
gst_caps_unref (peercaps);
if (filter) {
GstCaps *tmp = gst_caps_intersect_full (caps, filter,
GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (caps);
caps = tmp;
}
GST_DEBUG_OBJECT (payload, "Returning caps: %" GST_PTR_FORMAT, caps);
return caps;
}
static GstCaps *
gst_rtp_mux_getcaps (GstPad * pad, GstRTPMux * mux, GstCaps * filter)
{
GstCaps *caps = NULL;
GstIterator *iter = NULL;
GValue v = { 0 };
GstIteratorResult res;
GstCaps *peercaps;
GstCaps *othercaps;
GstCaps *tcaps;
GstCaps *other_filtered;
peercaps = gst_pad_peer_query_caps (mux->srcpad, filter);
if (peercaps) {
tcaps = gst_pad_get_pad_template_caps (pad);
othercaps = gst_caps_intersect_full (peercaps, tcaps,
GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (peercaps);
} else {
tcaps = gst_pad_get_pad_template_caps (mux->srcpad);
if (filter)
othercaps = gst_caps_intersect_full (filter, tcaps,
GST_CAPS_INTERSECT_FIRST);
else
othercaps = gst_caps_copy (tcaps);
}
gst_caps_unref (tcaps);
clear_caps (othercaps, FALSE);
other_filtered = gst_caps_copy (othercaps);
clear_caps (other_filtered, TRUE);
g_value_init (&v, GST_TYPE_CAPS);
iter = gst_element_iterate_sink_pads (GST_ELEMENT (mux));
do {
gst_value_set_caps (&v, other_filtered);
res = gst_iterator_fold (iter, same_clock_rate_fold, &v, pad);
gst_iterator_resync (iter);
} while (res == GST_ITERATOR_RESYNC);
gst_iterator_free (iter);
gst_caps_unref (other_filtered);
caps = gst_caps_intersect ((GstCaps *) gst_value_get_caps (&v), othercaps);
g_value_unset (&v);
gst_caps_unref (othercaps);
if (res == GST_ITERATOR_ERROR) {
gst_caps_unref (caps);
caps = gst_caps_new_empty ();
}
return caps;
}
static GstCaps *
gst_ac3_parse_get_sink_caps (GstBaseParse * parse, GstCaps * filter)
{
GstCaps *peercaps, *templ;
GstCaps *res;
templ = gst_pad_get_pad_template_caps (GST_BASE_PARSE_SINK_PAD (parse));
if (filter) {
GstCaps *fcopy = gst_caps_copy (filter);
/* Remove the fields we convert */
remove_fields (fcopy);
/* we do not ask downstream to handle x-private1-ac3 */
fcopy = extend_caps (fcopy, FALSE);
peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), fcopy);
gst_caps_unref (fcopy);
} else
peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), NULL);
if (peercaps) {
/* Remove the framed and alignment field. We can convert
* between different alignments. */
peercaps = gst_caps_make_writable (peercaps);
remove_fields (peercaps);
/* also allow for x-private1-ac3 input */
peercaps = extend_caps (peercaps, TRUE);
res = gst_caps_intersect_full (peercaps, templ, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (peercaps);
gst_caps_unref (templ);
} else {
res = templ;
}
if (filter) {
GstCaps *intersection;
intersection =
gst_caps_intersect_full (filter, res, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (res);
res = intersection;
}
return res;
}
static gboolean
gst_v4l2_transform_query (GstBaseTransform * trans, GstPadDirection direction,
GstQuery * query)
{
GstV4l2Transform *self = GST_V4L2_TRANSFORM (trans);
gboolean ret = TRUE;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CAPS:{
GstCaps *filter, *caps = NULL, *result = NULL;
GstPad *pad, *otherpad;
gst_query_parse_caps (query, &filter);
if (direction == GST_PAD_SRC) {
pad = GST_BASE_TRANSFORM_SRC_PAD (trans);
otherpad = GST_BASE_TRANSFORM_SINK_PAD (trans);
if (self->probed_srccaps)
caps = gst_caps_ref (self->probed_srccaps);
} else {
pad = GST_BASE_TRANSFORM_SINK_PAD (trans);
otherpad = GST_BASE_TRANSFORM_SRC_PAD (trans);
if (self->probed_sinkcaps)
caps = gst_caps_ref (self->probed_sinkcaps);
}
if (!caps)
caps = gst_pad_get_pad_template_caps (pad);
if (filter) {
GstCaps *tmp = caps;
caps = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (tmp);
}
result = gst_pad_peer_query_caps (otherpad, caps);
result = gst_caps_make_writable (result);
gst_caps_append (result, caps);
GST_DEBUG_OBJECT (self, "Returning %s caps %" GST_PTR_FORMAT,
GST_PAD_NAME (pad), result);
gst_query_set_caps_result (query, result);
gst_caps_unref (result);
break;
}
default:
ret = GST_BASE_TRANSFORM_CLASS (parent_class)->query (trans, direction,
query);
break;
}
return ret;
}
static gboolean
gst_stream_splitter_sink_setcaps (GstPad * pad, GstCaps * caps)
{
GstStreamSplitter *stream_splitter =
(GstStreamSplitter *) GST_PAD_PARENT (pad);
guint32 cookie;
GList *tmp;
gboolean res;
GST_DEBUG_OBJECT (stream_splitter, "caps %" GST_PTR_FORMAT, caps);
/* Try on all pads, choose the one that succeeds as the current stream */
STREAMS_LOCK (stream_splitter);
resync:
if (G_UNLIKELY (stream_splitter->srcpads == NULL)) {
res = FALSE;
goto beach;
}
res = FALSE;
tmp = stream_splitter->srcpads;
cookie = stream_splitter->cookie;
while (tmp) {
GstPad *srcpad = (GstPad *) tmp->data;
GstCaps *peercaps;
STREAMS_UNLOCK (stream_splitter);
peercaps = gst_pad_peer_query_caps (srcpad, NULL);
if (peercaps) {
res = gst_caps_can_intersect (caps, peercaps);
gst_caps_unref (peercaps);
}
STREAMS_LOCK (stream_splitter);
if (G_UNLIKELY (cookie != stream_splitter->cookie))
goto resync;
if (res) {
/* FIXME : we need to switch properly */
GST_DEBUG_OBJECT (srcpad, "Setting caps on this pad was successful");
stream_splitter->current = srcpad;
goto beach;
}
tmp = tmp->next;
}
beach:
STREAMS_UNLOCK (stream_splitter);
return res;
}
static GstCaps *
gst_dirac_parse_get_sink_caps (GstBaseParse * parse, GstCaps * filter)
{
GstCaps *peercaps, *templ;
GstCaps *res;
templ = gst_pad_get_pad_template_caps (GST_BASE_PARSE_SINK_PAD (parse));
if (filter) {
GstCaps *fcopy = gst_caps_copy (filter);
/* Remove the fields we convert */
remove_fields (fcopy);
peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), fcopy);
gst_caps_unref (fcopy);
} else
peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), NULL);
if (peercaps) {
/* Remove the parsed field */
peercaps = gst_caps_make_writable (peercaps);
remove_fields (peercaps);
res = gst_caps_intersect_full (peercaps, templ, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (peercaps);
gst_caps_unref (templ);
} else {
res = templ;
}
if (filter) {
GstCaps *intersection;
intersection =
gst_caps_intersect_full (filter, res, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (res);
res = intersection;
}
return res;
}
/* we can only accept caps that we and downstream can handle. */
static GstCaps *
gst_interleave_sink_getcaps (GstPad * pad, GstInterleave * self,
GstCaps * filter)
{
GstCaps *result, *peercaps, *sinkcaps;
GST_OBJECT_LOCK (self);
/* If we already have caps on one of the sink pads return them */
if (self->sinkcaps) {
result = gst_caps_copy (self->sinkcaps);
} else {
/* get the downstream possible caps */
peercaps = gst_pad_peer_query_caps (self->src, NULL);
/* get the allowed caps on this sinkpad */
sinkcaps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
__remove_channels (sinkcaps);
if (peercaps) {
peercaps = gst_caps_make_writable (peercaps);
__remove_channels (peercaps);
/* if the peer has caps, intersect */
GST_DEBUG_OBJECT (pad, "intersecting peer and template caps");
result = gst_caps_intersect (peercaps, sinkcaps);
gst_caps_unref (peercaps);
gst_caps_unref (sinkcaps);
} else {
/* the peer has no caps (or there is no peer), just use the allowed caps
* of this sinkpad. */
GST_DEBUG_OBJECT (pad, "no peer caps, using sinkcaps");
result = sinkcaps;
}
__set_channels (result, 1);
}
GST_OBJECT_UNLOCK (self);
if (filter != NULL) {
GstCaps *caps = result;
GST_LOG_OBJECT (pad, "intersecting filter caps %" GST_PTR_FORMAT " with "
"preliminary result %" GST_PTR_FORMAT, filter, caps);
result = gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (caps);
}
GST_DEBUG_OBJECT (pad, "Returning caps %" GST_PTR_FORMAT, result);
return result;
}
static GstCaps *
gst_amr_parse_sink_getcaps (GstBaseParse * parse, GstCaps * filter)
{
GstCaps *peercaps, *templ;
GstCaps *res;
templ = gst_pad_get_pad_template_caps (GST_BASE_PARSE_SINK_PAD (parse));
peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), filter);
if (peercaps) {
guint i, n;
/* Rename structure names */
peercaps = gst_caps_make_writable (peercaps);
n = gst_caps_get_size (peercaps);
for (i = 0; i < n; i++) {
GstStructure *s = gst_caps_get_structure (peercaps, i);
if (gst_structure_has_name (s, "audio/AMR"))
gst_structure_set_name (s, "audio/x-amr-nb-sh");
else
gst_structure_set_name (s, "audio/x-amr-wb-sh");
}
res = gst_caps_intersect_full (peercaps, templ, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (peercaps);
res = gst_caps_make_writable (res);
/* Append the template caps because we still want to accept
* caps without any fields in the case upstream does not
* know anything.
*/
gst_caps_append (res, templ);
} else {
res = templ;
}
if (filter) {
GstCaps *intersection;
intersection =
gst_caps_intersect_full (filter, res, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (res);
res = intersection;
}
return res;
}
static GstCaps *
gst_ac3_parse_get_sink_caps (GstBaseParse * parse, GstCaps * filter)
{
GstCaps *peercaps, *templ;
GstCaps *res;
templ = gst_pad_get_pad_template_caps (GST_BASE_PARSE_SINK_PAD (parse));
peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), filter);
if (peercaps) {
guint i, n;
/* Remove the framed and alignment field. We can convert
* between different alignments. */
peercaps = gst_caps_make_writable (peercaps);
n = gst_caps_get_size (peercaps);
for (i = 0; i < n; i++) {
GstStructure *s = gst_caps_get_structure (peercaps, i);
gst_structure_remove_field (s, "framed");
gst_structure_remove_field (s, "alignment");
}
res = gst_caps_intersect_full (peercaps, templ, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (peercaps);
res = gst_caps_make_writable (res);
/* Append the template caps because we still want to accept
* caps without any fields in the case upstream does not
* know anything.
*/
gst_caps_append (res, templ);
} else {
res = templ;
}
if (filter) {
GstCaps *intersection;
intersection =
gst_caps_intersect_full (filter, res, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (res);
res = intersection;
}
return res;
}
static GstCaps *
gst_frei0r_mixer_query_pad_caps (GstPad * pad, GstPad * skip, GstCaps * filter)
{
GstCaps *caps;
if (pad == skip)
return filter;
caps = gst_pad_peer_query_caps (pad, filter);
if (caps)
gst_caps_unref (filter);
else
caps = filter;
return caps;
}
static void
check_peer_caps (GstPad * pad, const char *expected, const char *name)
{
GstCaps *caps;
GstCaps *expected_caps;
caps = gst_pad_peer_query_caps (pad, NULL);
fail_unless (caps != NULL);
expected_caps = gst_caps_from_string (expected);
fail_unless (expected_caps != NULL);
check_caps_identical (caps, expected_caps, name);
gst_caps_unref (caps);
gst_caps_unref (expected_caps);
}
static gboolean
gst_vtdec_negotiate_output_format (GstVtdec * vtdec,
GstVideoCodecState * input_state)
{
GstCaps *caps = NULL, *peercaps = NULL, *templcaps;
GstVideoFormat output_format;
GstVideoCodecState *output_state = NULL;
GstCapsFeatures *features;
GstStructure *structure;
const gchar *s;
peercaps = gst_pad_peer_query_caps (GST_VIDEO_DECODER_SRC_PAD (vtdec), NULL);
/* Check if output supports GL caps by preference */
templcaps = gst_pad_get_pad_template_caps (GST_VIDEO_DECODER_SRC_PAD (vtdec));
caps =
gst_caps_intersect_full (templcaps, peercaps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (peercaps);
gst_caps_unref (templcaps);
caps = gst_caps_truncate (caps);
structure = gst_caps_get_structure (caps, 0);
s = gst_structure_get_string (structure, "format");
output_format = gst_video_format_from_string (s);
features = gst_caps_features_copy (gst_caps_get_features (caps, 0));
gst_caps_unref (caps);
if (!gst_vtdec_create_session (vtdec, output_format)) {
gst_caps_features_free (features);
return FALSE;
}
output_state = gst_video_decoder_set_output_state (GST_VIDEO_DECODER (vtdec),
output_format, vtdec->video_info.width, vtdec->video_info.height,
input_state);
output_state->caps = gst_video_info_to_caps (&output_state->info);
gst_caps_set_features (output_state->caps, 0, features);
return TRUE;
}
static GstCaps *
gst_segment_clip_getcaps (GstSegmentClip * self, GstPad * pad, GstCaps * filter)
{
GstPad *otherpad;
GstCaps *tmp, *ret;
otherpad = (pad == self->srcpad) ? self->sinkpad : self->srcpad;
tmp = gst_pad_peer_query_caps (otherpad, filter);
if (tmp) {
ret = gst_caps_intersect (tmp, gst_pad_get_pad_template_caps (pad));
gst_caps_unref (tmp);
} else {
ret = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
}
GST_LOG_OBJECT (pad, "Returning caps: %" GST_PTR_FORMAT, ret);
return ret;
}
static GstCaps *
stereosplit_get_src_caps (GstGLStereoSplit * split,
GstPad * pad, GstVideoMultiviewMode preferred_mode)
{
GstCaps *outcaps, *tmp, *templ_caps;
GValue item = G_VALUE_INIT, list = G_VALUE_INIT;
/* Get the template format */
templ_caps = gst_pad_get_pad_template_caps (pad);
/* And limit down to the preferred mode or mono */
templ_caps = gst_caps_make_writable (templ_caps);
g_value_init (&item, G_TYPE_STRING);
g_value_init (&list, GST_TYPE_LIST);
g_value_set_static_string (&item,
gst_video_multiview_mode_to_caps_string (preferred_mode));
gst_value_list_append_value (&list, &item);
g_value_set_static_string (&item,
gst_video_multiview_mode_to_caps_string (GST_VIDEO_MULTIVIEW_MODE_MONO));
gst_value_list_append_value (&list, &item);
gst_caps_set_value (templ_caps, "multiview-mode", &list);
g_value_unset (&list);
g_value_unset (&item);
/* And intersect with the peer */
if ((tmp = gst_pad_peer_query_caps (pad, NULL)) == NULL) {
gst_caps_unref (templ_caps);
return NULL;
}
outcaps = gst_caps_intersect_full (tmp, templ_caps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (tmp);
gst_caps_unref (templ_caps);
GST_DEBUG_OBJECT (split, "Src pad %" GST_PTR_FORMAT " caps %" GST_PTR_FORMAT,
pad, outcaps);
return outcaps;
}
/* we can only accept caps that we and downstream can handle. */
static GstCaps *
gst_interleave_sink_getcaps (GstPad * pad, GstObject * parent, GstCaps * filter)
{
GstInterleave *self = GST_INTERLEAVE (parent);
GstCaps *result, *peercaps, *sinkcaps;
GST_OBJECT_LOCK (self);
/* If we already have caps on one of the sink pads return them */
if (self->sinkcaps) {
result = gst_caps_copy (self->sinkcaps);
} else {
/* get the downstream possible caps */
peercaps = gst_pad_peer_query_caps (self->src, NULL);
/* get the allowed caps on this sinkpad */
sinkcaps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
__remove_channels (sinkcaps);
if (peercaps) {
__remove_channels (peercaps);
/* if the peer has caps, intersect */
GST_DEBUG_OBJECT (pad, "intersecting peer and template caps");
result = gst_caps_intersect (peercaps, sinkcaps);
gst_caps_unref (peercaps);
gst_caps_unref (sinkcaps);
} else {
/* the peer has no caps (or there is no peer), just use the allowed caps
* of this sinkpad. */
GST_DEBUG_OBJECT (pad, "no peer caps, using sinkcaps");
result = sinkcaps;
}
__set_channels (result, 1);
}
GST_OBJECT_UNLOCK (self);
GST_DEBUG_OBJECT (pad, "Returning caps %" GST_PTR_FORMAT, result);
return result;
}
static GstCaps *
gst_interlace_getcaps (GstPad * pad, GstInterlace * interlace, GstCaps * filter)
{
GstPad *otherpad;
GstCaps *othercaps, *tcaps;
GstCaps *icaps;
const char *mode;
otherpad =
(pad == interlace->srcpad) ? interlace->sinkpad : interlace->srcpad;
tcaps = gst_pad_get_pad_template_caps (otherpad);
othercaps = gst_pad_peer_query_caps (otherpad, filter);
if (othercaps) {
icaps = gst_caps_intersect (othercaps, tcaps);
gst_caps_unref (othercaps);
} else {
icaps = tcaps;
}
if (filter) {
othercaps = gst_caps_intersect (icaps, filter);
gst_caps_unref (icaps);
icaps = othercaps;
}
icaps = gst_caps_make_writable (icaps);
if (interlace->pattern > GST_INTERLACE_PATTERN_2_2) {
mode = "mixed";
} else {
mode = "interleaved";
}
gst_caps_set_simple (icaps, "interlace-mode", G_TYPE_STRING,
pad == interlace->srcpad ? mode : "progressive", NULL);
gst_caps_unref (tcaps);
return icaps;
}
static GstCaps *
gst_image_freeze_sink_getcaps (GstImageFreeze * self, GstCaps * filter)
{
GstCaps *ret, *tmp, *templ;
GstPad *pad;
pad = self->sinkpad;
if (gst_pad_has_current_caps (pad)) {
ret = gst_pad_get_current_caps (pad);
goto done;
}
if (filter) {
filter = gst_caps_copy (filter);
gst_image_freeze_remove_fps (self, filter);
}
templ = gst_pad_get_pad_template_caps (pad);
tmp = gst_pad_peer_query_caps (self->srcpad, filter);
if (tmp) {
GST_LOG_OBJECT (self, "peer caps %" GST_PTR_FORMAT, tmp);
ret = gst_caps_intersect (tmp, templ);
gst_caps_unref (tmp);
} else {
GST_LOG_OBJECT (self, "going to copy");
ret = gst_caps_copy (templ);
}
gst_caps_unref (templ);
if (filter)
gst_caps_unref (filter);
ret = gst_caps_make_writable (ret);
gst_image_freeze_remove_fps (self, ret);
done:
GST_LOG_OBJECT (pad, "Returning caps: %" GST_PTR_FORMAT, ret);
return ret;
}
static gboolean
pad_can_dmabuf (GstMsdkVPP * thiz, GstPadDirection direction, GstCaps * filter)
{
gboolean ret = FALSE;
GstCaps *caps, *out_caps;
GstPad *pad;
GstBaseTransform *trans = GST_BASE_TRANSFORM (thiz);
if (direction == GST_PAD_SRC)
pad = GST_BASE_TRANSFORM_SRC_PAD (trans);
else
pad = GST_BASE_TRANSFORM_SINK_PAD (trans);
/* make a copy of filter caps since we need to alter the structure
* by adding dmabuf-capsfeatures */
caps = gst_caps_copy (filter);
gst_caps_set_features (caps, 0,
gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_DMABUF));
out_caps = gst_pad_peer_query_caps (pad, caps);
if (!out_caps)
goto done;
if (gst_caps_is_any (out_caps) || gst_caps_is_empty (out_caps)
|| out_caps == caps)
goto done;
if (_gst_caps_has_feature (out_caps, GST_CAPS_FEATURE_MEMORY_DMABUF))
ret = TRUE;
done:
if (caps)
gst_caps_unref (caps);
if (out_caps)
gst_caps_unref (out_caps);
return ret;
}
/* the first caps we receive on any of the sinkpads will define the caps for all
* the other sinkpads because we can only mix streams with the same caps.
*/
static gboolean
gst_audiomixer_setcaps (GstAudioMixer * audiomixer, GstPad * pad,
GstCaps * orig_caps)
{
GstAggregator *agg = GST_AGGREGATOR (audiomixer);
GstAudioAggregator *aagg = GST_AUDIO_AGGREGATOR (audiomixer);
GstCaps *caps;
GstAudioInfo info;
GstStructure *s;
gint channels = 0;
caps = gst_caps_copy (orig_caps);
s = gst_caps_get_structure (caps, 0);
if (gst_structure_get_int (s, "channels", &channels))
if (channels <= 2)
gst_structure_remove_field (s, "channel-mask");
if (!gst_audio_info_from_caps (&info, caps))
goto invalid_format;
if (channels == 1) {
GstCaps *filter;
GstCaps *downstream_caps;
if (audiomixer->filter_caps)
filter = gst_caps_intersect_full (caps, audiomixer->filter_caps,
GST_CAPS_INTERSECT_FIRST);
else
filter = gst_caps_ref (caps);
downstream_caps = gst_pad_peer_query_caps (agg->srcpad, filter);
gst_caps_unref (filter);
if (downstream_caps) {
gst_caps_unref (caps);
caps = downstream_caps;
if (gst_caps_is_empty (caps)) {
gst_caps_unref (caps);
return FALSE;
}
caps = gst_caps_fixate (caps);
}
}
GST_OBJECT_LOCK (audiomixer);
/* don't allow reconfiguration for now; there's still a race between the
* different upstream threads doing query_caps + accept_caps + sending
* (possibly different) CAPS events, but there's not much we can do about
* that, upstream needs to deal with it. */
if (aagg->current_caps != NULL) {
if (gst_audio_info_is_equal (&info, &aagg->info)) {
GST_OBJECT_UNLOCK (audiomixer);
gst_caps_unref (caps);
gst_audio_aggregator_set_sink_caps (aagg, GST_AUDIO_AGGREGATOR_PAD (pad),
orig_caps);
return TRUE;
} else {
GST_DEBUG_OBJECT (pad, "got input caps %" GST_PTR_FORMAT ", but "
"current caps are %" GST_PTR_FORMAT, caps, aagg->current_caps);
GST_OBJECT_UNLOCK (audiomixer);
gst_pad_push_event (pad, gst_event_new_reconfigure ());
gst_caps_unref (caps);
return FALSE;
}
} else {
gst_caps_replace (&aagg->current_caps, caps);
aagg->info = info;
gst_pad_mark_reconfigure (GST_AGGREGATOR_SRC_PAD (agg));
}
GST_OBJECT_UNLOCK (audiomixer);
gst_audio_aggregator_set_sink_caps (aagg, GST_AUDIO_AGGREGATOR_PAD (pad),
orig_caps);
GST_INFO_OBJECT (pad, "handle caps change to %" GST_PTR_FORMAT, caps);
gst_caps_unref (caps);
return TRUE;
/* ERRORS */
invalid_format:
{
gst_caps_unref (caps);
GST_WARNING_OBJECT (audiomixer, "invalid format set as caps");
return FALSE;
}
}
/* we can only accept caps that we and downstream can handle.
* if we have filtercaps set, use those to constrain the target caps.
*/
static GstCaps *
gst_audiomixer_sink_getcaps (GstAggregator * agg, GstPad * pad,
GstCaps * filter)
{
GstAudioAggregator *aagg;
GstAudioMixer *audiomixer;
GstCaps *result, *peercaps, *current_caps, *filter_caps;
GstStructure *s;
gint i, n;
audiomixer = GST_AUDIO_MIXER (agg);
aagg = GST_AUDIO_AGGREGATOR (agg);
GST_OBJECT_LOCK (audiomixer);
/* take filter */
if ((filter_caps = audiomixer->filter_caps)) {
if (filter)
filter_caps =
gst_caps_intersect_full (filter, filter_caps,
GST_CAPS_INTERSECT_FIRST);
else
gst_caps_ref (filter_caps);
} else {
filter_caps = filter ? gst_caps_ref (filter) : NULL;
}
GST_OBJECT_UNLOCK (audiomixer);
if (filter_caps && gst_caps_is_empty (filter_caps)) {
GST_WARNING_OBJECT (pad, "Empty filter caps");
return filter_caps;
}
/* get the downstream possible caps */
peercaps = gst_pad_peer_query_caps (agg->srcpad, filter_caps);
/* get the allowed caps on this sinkpad */
GST_OBJECT_LOCK (audiomixer);
current_caps = aagg->current_caps ? gst_caps_ref (aagg->current_caps) : NULL;
if (current_caps == NULL) {
current_caps = gst_pad_get_pad_template_caps (pad);
if (!current_caps)
current_caps = gst_caps_new_any ();
}
GST_OBJECT_UNLOCK (audiomixer);
if (peercaps) {
/* if the peer has caps, intersect */
GST_DEBUG_OBJECT (audiomixer, "intersecting peer and our caps");
result =
gst_caps_intersect_full (peercaps, current_caps,
GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (peercaps);
gst_caps_unref (current_caps);
} else {
/* the peer has no caps (or there is no peer), just use the allowed caps
* of this sinkpad. */
/* restrict with filter-caps if any */
if (filter_caps) {
GST_DEBUG_OBJECT (audiomixer, "no peer caps, using filtered caps");
result =
gst_caps_intersect_full (filter_caps, current_caps,
GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (current_caps);
} else {
GST_DEBUG_OBJECT (audiomixer, "no peer caps, using our caps");
result = current_caps;
}
}
result = gst_caps_make_writable (result);
n = gst_caps_get_size (result);
for (i = 0; i < n; i++) {
GstStructure *sref;
s = gst_caps_get_structure (result, i);
sref = gst_structure_copy (s);
gst_structure_set (sref, "channels", GST_TYPE_INT_RANGE, 0, 2, NULL);
if (gst_structure_is_subset (s, sref)) {
/* This field is irrelevant when in mono or stereo */
gst_structure_remove_field (s, "channel-mask");
}
gst_structure_free (sref);
}
if (filter_caps)
gst_caps_unref (filter_caps);
GST_LOG_OBJECT (audiomixer, "getting caps on pad %p,%s to %" GST_PTR_FORMAT,
pad, GST_PAD_NAME (pad), result);
return result;
}
static gboolean
gst_omx_h264_enc_set_format (GstOMXVideoEnc * enc, GstOMXPort * port,
GstVideoCodecState * state)
{
GstOMXH264Enc *self = GST_OMX_H264_ENC (enc);
GstCaps *peercaps;
OMX_PARAM_PORTDEFINITIONTYPE port_def;
OMX_VIDEO_PARAM_PROFILELEVELTYPE param;
OMX_ERRORTYPE err;
const gchar *profile_string, *level_string;
gst_omx_port_get_port_definition (GST_OMX_VIDEO_ENC (self)->enc_out_port,
&port_def);
port_def.format.video.eCompressionFormat = OMX_VIDEO_CodingAVC;
err =
gst_omx_port_update_port_definition (GST_OMX_VIDEO_ENC
(self)->enc_out_port, &port_def);
if (err != OMX_ErrorNone)
return FALSE;
GST_OMX_INIT_STRUCT (¶m);
param.nPortIndex = GST_OMX_VIDEO_ENC (self)->enc_out_port->index;
err =
gst_omx_component_get_parameter (GST_OMX_VIDEO_ENC (self)->enc,
OMX_IndexParamVideoProfileLevelCurrent, ¶m);
if (err != OMX_ErrorNone) {
GST_WARNING_OBJECT (self,
"Setting profile/level not supported by component");
return TRUE;
}
peercaps = gst_pad_peer_query_caps (GST_VIDEO_ENCODER_SRC_PAD (enc),
gst_pad_get_pad_template_caps (GST_VIDEO_ENCODER_SRC_PAD (enc)));
if (peercaps) {
GstStructure *s;
if (gst_caps_is_empty (peercaps)) {
gst_caps_unref (peercaps);
GST_ERROR_OBJECT (self, "Empty caps");
return FALSE;
}
s = gst_caps_get_structure (peercaps, 0);
profile_string = gst_structure_get_string (s, "profile");
if (profile_string) {
if (g_str_equal (profile_string, "baseline")) {
param.eProfile = OMX_VIDEO_AVCProfileBaseline;
} else if (g_str_equal (profile_string, "main")) {
param.eProfile = OMX_VIDEO_AVCProfileMain;
} else if (g_str_equal (profile_string, "extended")) {
param.eProfile = OMX_VIDEO_AVCProfileExtended;
} else if (g_str_equal (profile_string, "high")) {
param.eProfile = OMX_VIDEO_AVCProfileHigh;
} else if (g_str_equal (profile_string, "high-10")) {
param.eProfile = OMX_VIDEO_AVCProfileHigh10;
} else if (g_str_equal (profile_string, "high-4:2:2")) {
param.eProfile = OMX_VIDEO_AVCProfileHigh422;
} else if (g_str_equal (profile_string, "high-4:4:4")) {
param.eProfile = OMX_VIDEO_AVCProfileHigh444;
} else {
goto unsupported_profile;
}
}
level_string = gst_structure_get_string (s, "level");
if (level_string) {
if (g_str_equal (level_string, "1")) {
param.eLevel = OMX_VIDEO_AVCLevel1;
} else if (g_str_equal (level_string, "1b")) {
param.eLevel = OMX_VIDEO_AVCLevel1b;
} else if (g_str_equal (level_string, "1.1")) {
param.eLevel = OMX_VIDEO_AVCLevel11;
} else if (g_str_equal (level_string, "1.2")) {
param.eLevel = OMX_VIDEO_AVCLevel12;
} else if (g_str_equal (level_string, "1.3")) {
param.eLevel = OMX_VIDEO_AVCLevel13;
} else if (g_str_equal (level_string, "2")) {
param.eLevel = OMX_VIDEO_AVCLevel2;
} else if (g_str_equal (level_string, "2.1")) {
param.eLevel = OMX_VIDEO_AVCLevel21;
} else if (g_str_equal (level_string, "2.2")) {
param.eLevel = OMX_VIDEO_AVCLevel22;
} else if (g_str_equal (level_string, "3")) {
param.eLevel = OMX_VIDEO_AVCLevel3;
} else if (g_str_equal (level_string, "3.1")) {
param.eLevel = OMX_VIDEO_AVCLevel31;
} else if (g_str_equal (level_string, "3.2")) {
param.eLevel = OMX_VIDEO_AVCLevel32;
} else if (g_str_equal (level_string, "4")) {
param.eLevel = OMX_VIDEO_AVCLevel4;
} else if (g_str_equal (level_string, "4.1")) {
param.eLevel = OMX_VIDEO_AVCLevel41;
} else if (g_str_equal (level_string, "4.2")) {
param.eLevel = OMX_VIDEO_AVCLevel42;
} else if (g_str_equal (level_string, "5")) {
param.eLevel = OMX_VIDEO_AVCLevel5;
} else if (g_str_equal (level_string, "5.1")) {
param.eLevel = OMX_VIDEO_AVCLevel51;
} else {
goto unsupported_level;
}
}
gst_caps_unref (peercaps);
}
err =
gst_omx_component_set_parameter (GST_OMX_VIDEO_ENC (self)->enc,
OMX_IndexParamVideoProfileLevelCurrent, ¶m);
if (err == OMX_ErrorUnsupportedIndex) {
GST_WARNING_OBJECT (self,
"Setting profile/level not supported by component");
} else if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (self,
"Error setting profile %u and level %u: %s (0x%08x)",
(guint) param.eProfile, (guint) param.eLevel,
gst_omx_error_to_string (err), err);
return FALSE;
}
return TRUE;
unsupported_profile:
GST_ERROR_OBJECT (self, "Unsupported profile %s", profile_string);
gst_caps_unref (peercaps);
return FALSE;
unsupported_level:
GST_ERROR_OBJECT (self, "Unsupported level %s", level_string);
gst_caps_unref (peercaps);
return FALSE;
}
static GstCaps *
gst_shape_wipe_src_getcaps (GstPad * pad, GstCaps * filter)
{
GstShapeWipe *self = GST_SHAPE_WIPE (gst_pad_get_parent (pad));
GstCaps *templ, *ret, *tmp;
if (gst_pad_has_current_caps (pad))
return gst_pad_get_current_caps (pad);
else if (gst_pad_has_current_caps (self->video_sinkpad))
return gst_pad_get_current_caps (self->video_sinkpad);
templ = gst_pad_get_pad_template_caps (self->video_sinkpad);
tmp = gst_pad_peer_query_caps (self->video_sinkpad, NULL);
if (tmp) {
ret = gst_caps_intersect (tmp, templ);
gst_caps_unref (templ);
gst_caps_unref (tmp);
} else {
ret = templ;
}
GST_LOG_OBJECT (pad, "video sink accepted caps: %" GST_PTR_FORMAT, ret);
if (gst_caps_is_empty (ret))
goto done;
tmp = gst_pad_peer_query_caps (pad, NULL);
GST_LOG_OBJECT (pad, "peer accepted caps: %" GST_PTR_FORMAT, ret);
if (tmp) {
GstCaps *intersection;
intersection = gst_caps_intersect (tmp, ret);
gst_caps_unref (tmp);
gst_caps_unref (ret);
ret = intersection;
}
GST_LOG_OBJECT (pad, "intersection: %" GST_PTR_FORMAT, ret);
if (gst_caps_is_empty (ret))
goto done;
if (self->vinfo.height && self->vinfo.width) {
guint i, n;
ret = gst_caps_make_writable (ret);
n = gst_caps_get_size (ret);
for (i = 0; i < n; i++) {
GstStructure *s = gst_caps_get_structure (ret, i);
gst_structure_set (s, "width", G_TYPE_INT, self->vinfo.width, "height",
G_TYPE_INT, self->vinfo.height, NULL);
}
}
tmp = gst_pad_peer_query_caps (self->mask_sinkpad, NULL);
GST_LOG_OBJECT (pad, "mask sink accepted caps: %" GST_PTR_FORMAT, ret);
if (tmp) {
GstCaps *intersection, *tmp2;
guint i, n;
tmp2 = gst_pad_get_pad_template_caps (self->mask_sinkpad);
intersection = gst_caps_intersect (tmp, tmp2);
gst_caps_unref (tmp);
gst_caps_unref (tmp2);
tmp = gst_caps_make_writable (intersection);
n = gst_caps_get_size (tmp);
for (i = 0; i < n; i++) {
GstStructure *s = gst_caps_get_structure (tmp, i);
gst_structure_remove_fields (s, "format", "framerate", NULL);
gst_structure_set_name (s, "video/x-raw");
}
intersection = gst_caps_intersect (tmp, ret);
gst_caps_unref (tmp);
gst_caps_unref (ret);
ret = intersection;
}
done:
gst_object_unref (self);
GST_LOG_OBJECT (pad, "Returning caps: %" GST_PTR_FORMAT, ret);
return ret;
}
static GstCaps *
gst_shape_wipe_mask_sink_getcaps (GstPad * pad, GstCaps * filter)
{
GstShapeWipe *self = GST_SHAPE_WIPE (gst_pad_get_parent (pad));
GstCaps *ret, *tmp;
guint i, n;
if (gst_pad_has_current_caps (pad))
return gst_pad_get_current_caps (pad);
tmp = gst_pad_peer_query_caps (self->video_sinkpad, NULL);
if (tmp) {
ret =
gst_caps_intersect (tmp,
gst_pad_get_pad_template_caps (self->video_sinkpad));
gst_caps_unref (tmp);
} else {
ret = gst_pad_get_pad_template_caps (self->video_sinkpad);
}
GST_LOG_OBJECT (pad, "video sink accepted caps: %" GST_PTR_FORMAT, ret);
if (gst_caps_is_empty (ret))
goto done;
tmp = gst_pad_peer_query_caps (self->srcpad, NULL);
GST_LOG_OBJECT (pad, "srcpad accepted caps: %" GST_PTR_FORMAT, ret);
if (tmp) {
GstCaps *intersection;
intersection = gst_caps_intersect (ret, tmp);
gst_caps_unref (ret);
gst_caps_unref (tmp);
ret = intersection;
}
GST_LOG_OBJECT (pad, "intersection: %" GST_PTR_FORMAT, ret);
if (gst_caps_is_empty (ret))
goto done;
n = gst_caps_get_size (ret);
tmp = gst_caps_new_empty ();
for (i = 0; i < n; i++) {
GstStructure *s = gst_caps_get_structure (ret, i);
GstStructure *t;
gst_structure_set_name (s, "video/x-raw");
gst_structure_remove_fields (s, "format", "framerate", NULL);
if (self->vinfo.width && self->vinfo.height)
gst_structure_set (s, "width", G_TYPE_INT, self->vinfo.width, "height",
G_TYPE_INT, self->vinfo.height, NULL);
gst_structure_set (s, "framerate", GST_TYPE_FRACTION, 0, 1, NULL);
t = gst_structure_copy (s);
gst_structure_set (s, "format", G_TYPE_STRING, GST_VIDEO_NE (GRAY16), NULL);
gst_structure_set (t, "format", G_TYPE_STRING, "GRAY8", NULL);
gst_caps_append_structure (tmp, t);
}
gst_caps_append (ret, tmp);
tmp = gst_pad_peer_query_caps (pad, NULL);
GST_LOG_OBJECT (pad, "peer accepted caps: %" GST_PTR_FORMAT, tmp);
if (tmp) {
GstCaps *intersection;
intersection = gst_caps_intersect (tmp, ret);
gst_caps_unref (tmp);
gst_caps_unref (ret);
ret = intersection;
}
done:
gst_object_unref (self);
GST_LOG_OBJECT (pad, "Returning caps: %" GST_PTR_FORMAT, ret);
return ret;
}
