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videoaggregator: simplifies and improves sink_get_caps.

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The problem here was that after removing the formats and
all the things we could convert, we then intersected these
caps with the template caps.

Hence if a subclass offered permissive sink templates
(eg all the possible formats videoconvert handles), but only
one output format, then at negotiation time getcaps returned
caps with the format restricted to that format, even though
we do handle conversion.

https://bugzilla.gnome.org/show_bug.cgi?id=751255
This commit is contained in:
Mathieu Duponchelle 2015-06-20 13:36:27 +02:00
parent 92aacf5760
commit fc49a1b508
1 changed files with 6 additions and 8 deletions
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14
gst-libs/gst/video/gstvideoaggregator.c
View file

@ -842,7 +842,6 @@ gst_videoaggregator_pad_sink_getcaps (GstPad * pad, GstVideoAggregator * vagg,
{
GstCaps *srccaps;
GstCaps *template_caps;
GstCaps *filtered_caps;
GstCaps *returned_caps;
GstStructure *s;
gboolean had_current_caps = TRUE;
@ -870,14 +869,13 @@ gst_videoaggregator_pad_sink_getcaps (GstPad * pad, GstVideoAggregator * vagg,
NULL);
}
filtered_caps = srccaps;
if (filter)
filtered_caps = gst_caps_intersect (srccaps, filter);
returned_caps = gst_caps_intersect (filtered_caps, template_caps);
if (filter) {
returned_caps = gst_caps_intersect (srccaps, filter);
gst_caps_unref (srccaps);
} else {
returned_caps = srccaps;
}
gst_caps_unref (srccaps);
if (filter)
gst_caps_unref (filtered_caps);
if (had_current_caps)
gst_caps_unref (template_caps);