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-rw-r--r--libavformat/internal.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/libavformat/internal.h b/libavformat/internal.h
index 582a2c8fe1..f15940cf4e 100644
--- a/libavformat/internal.h
+++ b/libavformat/internal.h
@@ -71,8 +71,9 @@ void ff_program_add_stream_index(AVFormatContext *ac, int progid, unsigned int i
/**
* Add packet to AVFormatContext->packet_buffer list, determining its
* interleaved position using compare() function argument.
+ * @return 0, or < 0 on error
*/
-void ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt,
+int ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt,
int (*compare)(AVFormatContext *, AVPacket *, AVPacket *));
void ff_read_frame_flush(AVFormatContext *s);