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basetransform: If the filtered peer caps are already empty error out early

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This commit is contained in:
Sebastian Dröge 2011-12-19 14:27:47 +01:00
parent 4d24d4fe2b
commit 2f93cee988
1 changed files with 25 additions and 19 deletions
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44
libs/gst/base/gstbasetransform.c
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@ -1006,29 +1006,35 @@ gst_base_transform_find_transform (GstBaseTransform * trans, GstPad * pad,
peercaps = gst_pad_query_caps (otherpeer, othercaps);
GST_DEBUG_OBJECT (trans, "Resulted in %" GST_PTR_FORMAT, peercaps);
if (!gst_caps_is_empty (peercaps)) {
templ_caps = gst_pad_get_pad_template_caps (otherpad);
templ_caps = gst_pad_get_pad_template_caps (otherpad);
GST_DEBUG_OBJECT (trans,
"Intersecting with template caps %" GST_PTR_FORMAT, templ_caps);
GST_DEBUG_OBJECT (trans,
"Intersecting with template caps %" GST_PTR_FORMAT, templ_caps);
intersection =
gst_caps_intersect_full (peercaps, templ_caps,
GST_CAPS_INTERSECT_FIRST);
GST_DEBUG_OBJECT (trans, "Intersection: %" GST_PTR_FORMAT,
intersection);
gst_caps_unref (peercaps);
gst_caps_unref (templ_caps);
peercaps = intersection;
intersection =
gst_caps_intersect_full (peercaps, templ_caps,
GST_CAPS_INTERSECT_FIRST);
GST_DEBUG_OBJECT (trans, "Intersection: %" GST_PTR_FORMAT, intersection);
gst_caps_unref (peercaps);
gst_caps_unref (templ_caps);
peercaps = intersection;
GST_DEBUG_OBJECT (trans,
"Intersecting with transformed caps %" GST_PTR_FORMAT, othercaps);
intersection =
gst_caps_intersect_full (peercaps, othercaps,
GST_CAPS_INTERSECT_FIRST);
GST_DEBUG_OBJECT (trans, "Intersection: %" GST_PTR_FORMAT,
intersection);
gst_caps_unref (peercaps);
gst_caps_unref (othercaps);
othercaps = intersection;
} else {
othercaps = peercaps;
}
GST_DEBUG_OBJECT (trans,
"Intersecting with transformed caps %" GST_PTR_FORMAT, othercaps);
intersection =
gst_caps_intersect_full (peercaps, othercaps,
GST_CAPS_INTERSECT_FIRST);
GST_DEBUG_OBJECT (trans, "Intersection: %" GST_PTR_FORMAT, intersection);
gst_caps_unref (peercaps);
gst_caps_unref (othercaps);
othercaps = intersection;
is_fixed = gst_caps_is_fixed (othercaps);
} else {
GST_DEBUG_OBJECT (trans, "no peer, doing passthrough");