basetransform: Handle buffers with NULL caps correctly

This means that the caps didn't change so don't try to handle
the NULL caps as the new caps.
This commit is contained in:
Sebastian Dröge 2010-01-14 20:19:05 +01:00
parent b3d30dd459
commit 0a0c32ef88

View file

@ -1253,7 +1253,7 @@ gst_base_transform_prepare_output_buffer (GstBaseTransform * trans,
/* check if we got different caps on this new output buffer */
newcaps = GST_BUFFER_CAPS (*out_buf);
newsize = GST_BUFFER_SIZE (*out_buf);
if (!gst_caps_is_equal (newcaps, oldcaps)) {
if (newcaps && !gst_caps_is_equal (newcaps, oldcaps)) {
GstCaps *othercaps;
gboolean can_convert;
@ -1394,7 +1394,8 @@ gst_base_transform_prepare_output_buffer (GstBaseTransform * trans,
* check. This is needed when we receive different pointers on the sinkpad
* that mean the same caps. What we then want to do is prefer those caps over
* the ones on the srcpad and set the srcpad caps to the buffer caps */
setcaps = (newcaps != outcaps) && (!gst_caps_is_equal (newcaps, outcaps));
setcaps = !newcaps || ((newcaps != outcaps)
&& (!gst_caps_is_equal (newcaps, outcaps)));
/* we need to modify the metadata when the element is not gap aware,
* passthrough is not used and the gap flag is set */
copymeta |= !trans->priv->gap_aware && !trans->passthrough