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playbin: improve autoplug_query_caps return

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Makes autoplug_query_caps return
downstream_caps + intersect_first(filter_caps, element_caps)

https://bugzilla.gnome.org/show_bug.cgi?id=724828
This commit is contained in:
Matthieu Bouron 2014-02-20 20:01:30 +00:00 committed by Sebastian Dröge
parent 12bafecc6c
commit 45dfceacdb
1 changed files with 14 additions and 7 deletions
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21
gst/playback/gstplaybin2.c
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@ -4565,6 +4565,15 @@ autoplug_select_cb (GstElement * decodebin, GstPad * pad,
return GST_AUTOPLUG_SELECT_EXPOSE;
}
#define GST_PLAY_BIN_FILTER_CAPS(filter,caps) G_STMT_START { \
if ((filter)) { \
GstCaps *intersection = \
gst_caps_intersect_full ((filter), (caps), GST_CAPS_INTERSECT_FIRST); \
gst_caps_unref ((caps)); \
(caps) = intersection; \
} \
} G_STMT_END
static gboolean
autoplug_query_caps (GstElement * uridecodebin, GstPad * pad,
GstElement * element, GstQuery * query, GstSourceGroup * group)
@ -4669,6 +4678,7 @@ autoplug_query_caps (GstElement * uridecodebin, GstPad * pad,
have_sink = TRUE;
} else {
GstCaps *subcaps = gst_subtitle_overlay_create_factory_caps ();
GST_PLAY_BIN_FILTER_CAPS (filter, subcaps);
if (!result)
result = subcaps;
else
@ -4700,6 +4710,7 @@ autoplug_query_caps (GstElement * uridecodebin, GstPad * pad,
templ_caps = gst_static_pad_template_get_caps (l->data);
if (!gst_caps_is_any (templ_caps)) {
GST_PLAY_BIN_FILTER_CAPS (filter, templ_caps);
if (!result)
result = templ_caps;
else
@ -4727,17 +4738,13 @@ done:
GstPad *target = gst_ghost_pad_get_target (GST_GHOST_PAD (pad));
if (target) {
result = gst_caps_merge (result, gst_pad_get_pad_template_caps (target));
GstCaps *target_caps = gst_pad_get_pad_template_caps (target);
GST_PLAY_BIN_FILTER_CAPS (filter, target_caps);
result = gst_caps_merge (result, target_caps);
gst_object_unref (target);
}
}
if (filter) {
GstCaps *intersection =
gst_caps_intersect_full (filter, result, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (result);
result = intersection;
}
gst_query_set_caps_result (query, result);
gst_caps_unref (result);