From: typx <[email protected]>

According to avcodec.h, avcodec_decode_video2 should return the number of bytes 
used if a frame was decoded.
The current implementation returns size - used size of all the subframes.
This fixes the VLC's bug https://trac.videolan.org/vlc/ticket/16836.
---
 libavcodec/vp9.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/vp9.c b/libavcodec/vp9.c
index 45f0771..c11e9b8 100644
--- a/libavcodec/vp9.c
+++ b/libavcodec/vp9.c
@@ -1251,7 +1251,7 @@ static int vp9_decode_packet(AVCodecContext *avctx, void 
*frame,
                 data += sz;
                 size -= sz;
             }
-            return size;
+            return avpkt->size;
         }
     }
 
-- 
2.8.0.rc3

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