[FFmpeg-cvslog] fix VP9 packet decoder returning 0 instead of the used data size

[Steve Lhomme]

ffmpeg | branch: release/2.5 | Steve Lhomme <robUx4 at videolabs.io> | Tue Mar  3 12:06:40 2015 +0100| [55637b2e5e9a27c6176e3ccd0a8730cc16206530] | committer: Michael Niedermayer

fix VP9 packet decoder returning 0 instead of the used data size

See https://trac.videolan.org/vlc/ticket/14022#comment:6

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
(cherry picked from commit 4851db80a4f80ddade1d50d2ec741375c763f001)

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=55637b2e5e9a27c6176e3ccd0a8730cc16206530
---

 libavcodec/vp9.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/vp9.c b/libavcodec/vp9.c
index 07df9ef..a956567 100644
--- a/libavcodec/vp9.c
+++ b/libavcodec/vp9.c
@@ -3748,7 +3748,7 @@ static int vp9_decode_frame(AVCodecContext *ctx, void *frame,
         if ((res = av_frame_ref(frame, s->refs[ref].f)) < 0)
             return res;
         *got_frame = 1;
-        return 0;
+        return pkt->size;
     }
     data += res;
     size -= res;
@@ -3972,7 +3972,7 @@ static int vp9_decode_frame(AVCodecContext *ctx, void *frame,
         *got_frame = 1;
     }
 
-    return 0;
+    return pkt->size;
 }
 
 static void vp9_decode_flush(AVCodecContext *ctx)