[FFmpeg-cvslog] rv10: Reject slices that does not have the same type as the first one
Laurent Aimar
git at videolan.org
Sat Oct 1 22:47:34 CEST 2011
ffmpeg | branch: release/0.8 | Laurent Aimar <fenrir at videolan.org> | Sun Sep 18 00:03:08 2011 +0200| [28d948ac44e38e8bec2f6268ccf4747ff4d992a9] | committer: Reinhard Tartler
rv10: Reject slices that does not have the same type as the first one
This prevents crashes with some corrupted bitstreams.
Signed-off-by: Martin Storsjö <martin at martin.st>
(cherry picked from commit 4a29b471869353c3077fb4b25b6518eb1047afb7)
Signed-off-by: Anton Khirnov <anton at khirnov.net>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=28d948ac44e38e8bec2f6268ccf4747ff4d992a9
---
libavcodec/rv10.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/libavcodec/rv10.c b/libavcodec/rv10.c
index 78f97b1..223500c 100644
--- a/libavcodec/rv10.c
+++ b/libavcodec/rv10.c
@@ -543,6 +543,11 @@ static int rv10_decode_packet(AVCodecContext *avctx,
if(MPV_frame_start(s, avctx) < 0)
return -1;
ff_er_frame_start(s);
+ } else {
+ if (s->current_picture_ptr->pict_type != s->pict_type) {
+ av_log(s->avctx, AV_LOG_ERROR, "Slice type mismatch\n");
+ return -1;
+ }
}
av_dlog(avctx, "qscale=%d\n", s->qscale);
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