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authorAnton Khirnov <anton@khirnov.net>2012-07-08 17:29:42 +0200
committerAnton Khirnov <anton@khirnov.net>2012-07-22 09:14:04 +0200
commitebc8d974817fe456a0afe6867fdeb22c761fb04f (patch)
treed08864445a712ca289ef8a1b2a4fa4d7ff2e81e0 /libavfilter/internal.h
parent1470ce21cec5ee26e106e2a884c26bbf84e5aaea (diff)
downloadffmpeg-ebc8d974817fe456a0afe6867fdeb22c761fb04f.tar.gz
lavfi: add error handling to start_frame().
Diffstat (limited to 'libavfilter/internal.h')
-rw-r--r--libavfilter/internal.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavfilter/internal.h b/libavfilter/internal.h
index 26059c927b..c08e00bcb8 100644
--- a/libavfilter/internal.h
+++ b/libavfilter/internal.h
@@ -69,6 +69,9 @@ struct AVFilterPad {
* picture inside the link structure.
*
* Input video pads only.
+ *
+ * @return >= 0 on success, a negative AVERROR on error. picref will be
+ * unreferenced by the caller in case of error.
*/
void (*start_frame)(AVFilterLink *link, AVFilterBufferRef *picref);