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videooverlaycomposition: fix some refcounting and avoid possible NULL use

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This commit is contained in:
Mark Nauwelaerts 2012-06-29 18:54:51 +02:00
parent 01270a447e
commit 0fba95a7b1
1 changed files with 3 additions and 1 deletions
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4
gst-libs/gst/video/video-overlay-composition.c
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@ -328,7 +328,9 @@ gst_video_buffer_set_overlay_composition (GstBuffer * buf,
ometa = (GstVideoOverlayCompositionMeta *)
gst_buffer_add_meta (buf, GST_VIDEO_OVERLAY_COMPOSITION_META_INFO,
NULL);
ometa->overlay = comp;
/* buffer might not be writable or so */
if (ometa)
ometa->overlay = gst_video_overlay_composition_ref (comp);
}
}