mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-19 06:46:38 +00:00
Code Issues 1 Projects Releases Wiki Activity

glmixer: override the caps query in order to 'convert' capsfeatures

Browse source 
Otherwise, it is only possible for the sink pads and the src pads to
have the exact same caps features.  We can convert from any feature
to another feature so support that.
This commit is contained in:
Matthew Waters 2014-10-24 00:35:22 +11:00 committed by Tim-Philipp Müller
parent 1bd6e87cfc
commit 0b2e5c3f95
1 changed files with 42 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

42
ext/gl/gstglmixer.c
View file

@ -287,6 +287,37 @@ gst_gl_mixer_pad_sink_acceptcaps (GstPad * pad, GstGLMixer * mix,
return ret; return ret;
} }
static GstCaps *
gst_gl_mixer_pad_sink_getcaps (GstPad * pad, GstGLMixer * mix, GstCaps * filter)
{
GstCaps *srccaps;
GstCaps *template_caps;
GstCaps *filtered_caps;
GstCaps *returned_caps;
gboolean had_current_caps = TRUE;
template_caps = gst_pad_get_pad_template_caps (pad);
srccaps = gst_pad_get_current_caps (pad);
if (srccaps == NULL) {
had_current_caps = FALSE;
srccaps = template_caps;
}
filtered_caps = srccaps;
if (filter)
filtered_caps = gst_caps_intersect (srccaps, filter);
returned_caps = gst_caps_intersect (filtered_caps, template_caps);
gst_caps_unref (srccaps);
if (filter)
gst_caps_unref (filtered_caps);
if (had_current_caps)
gst_caps_unref (template_caps);
return returned_caps;
}
static gboolean static gboolean
gst_gl_mixer_sink_query (GstAggregator * agg, GstAggregatorPad * bpad, gst_gl_mixer_sink_query (GstAggregator * agg, GstAggregatorPad * bpad,
GstQuery * query) GstQuery * query)
@ -297,6 +328,17 @@ gst_gl_mixer_sink_query (GstAggregator * agg, GstAggregatorPad * bpad,
GST_TRACE ("QUERY %" GST_PTR_FORMAT, query); GST_TRACE ("QUERY %" GST_PTR_FORMAT, query);
switch (GST_QUERY_TYPE (query)) { switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CAPS:
{
GstCaps *filter, *caps;
gst_query_parse_caps (query, &filter);
caps = gst_gl_mixer_pad_sink_getcaps (GST_PAD (bpad), mix, filter);
gst_query_set_caps_result (query, caps);
gst_caps_unref (caps);
ret = TRUE;
break;
}
case GST_QUERY_ACCEPT_CAPS: case GST_QUERY_ACCEPT_CAPS:
{ {
GstCaps *caps; GstCaps *caps;