[FFmpeg-cvslog] avcodec/mpeg4video_parser: Check for extradata parsing failure

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu Jul 31 05:20:42 2014 +0200| [37ec7d291eacedfacdce21332f4c719f2be79d12] | committer: Michael Niedermayer

avcodec/mpeg4video_parser: Check for extradata parsing failure

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=37ec7d291eacedfacdce21332f4c719f2be79d12
---

 libavcodec/mpeg4video_parser.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/mpeg4video_parser.c b/libavcodec/mpeg4video_parser.c
index 86bcc9e..b7718f6 100644
--- a/libavcodec/mpeg4video_parser.c
+++ b/libavcodec/mpeg4video_parser.c
@@ -88,6 +88,8 @@ static int mpeg4_decode_header(AVCodecParserContext *s1, AVCodecContext *avctx,
     if (avctx->extradata_size && pc->first_picture) {
         init_get_bits(gb, avctx->extradata, avctx->extradata_size * 8);
         ret = ff_mpeg4_decode_picture_header(dec_ctx, gb);
+        if (ret < 0)
+            av_log(avctx, AV_LOG_WARNING, "Failed to parse extradata\n");
     }
 
     init_get_bits(gb, buf, 8 * buf_size);