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glfilter: prepend intersection to src caps

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Prefer to stay in the same memory space if possible.
Also it let a chance to do passthrough.

See https://bugzilla.gnome.org/show_bug.cgi?id=732178
This commit is contained in:
Julien Isorce 2014-06-24 19:23:01 +01:00 committed by Tim-Philipp Müller
parent c18a109b42
commit e016324d31
1 changed files with 6 additions and 0 deletions
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6
gst-libs/gst/gl/gstglfilter.c
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@ -757,6 +757,12 @@ gst_gl_filter_transform_caps (GstBaseTransform * bt,
result = tmp;
}
/* if output still intersects input then prefer the intersection */
if (direction == GST_PAD_SINK) {
tmp = gst_caps_intersect_full (result, caps, GST_CAPS_INTERSECT_FIRST);
result = gst_caps_merge (tmp, result);
}
GST_DEBUG_OBJECT (bt, "returning caps: %" GST_PTR_FORMAT, result);
return result;