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| author | Michael Niedermayer <michaelni@gmx.at> | 2011-11-20 17:19:25 +0100 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2012-10-06 09:40:46 +0200 |
| commit | 899d95efe12f1e250b361837c1c8c06df9ac9b86 (patch) | |
| tree | 126d547904a0b03573539e2fde0b08fd187da1c7 | |
| parent | 8812b5f164109553f009ce385e17a1af16b6ea53 (diff) | |
| download | ffmpeg-899d95efe12f1e250b361837c1c8c06df9ac9b86.tar.gz | |
mpegvideo: Don't use ff_mspel_motion() for vc1
Using ff_mspel_motion assumes that s (a MpegEncContext
poiinter) really is a Wmv2Context.
This fixes crashes in error resilience on vc1/wmv3 videos.
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit 18f2d5cb9c48d06895960f37467576725c9dc2d1)
Signed-off-by: Anton Khirnov <anton@khirnov.net>
(cherry picked from commit da0c457663479bc1828918e1bb3e4a5e4de0d557)
Signed-off-by: Anton Khirnov <anton@khirnov.net>
| -rw-r--r-- | libavcodec/mpegvideo_common.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/mpegvideo_common.h b/libavcodec/mpegvideo_common.h index d0093ce8d2..dfedc6bade 100644 --- a/libavcodec/mpegvideo_common.h +++ b/libavcodec/mpegvideo_common.h @@ -725,7 +725,8 @@ static av_always_inline void MPV_motion_internal(MpegEncContext *s, 0, 0, 0, ref_picture, pix_op, qpix_op, s->mv[dir][0][0], s->mv[dir][0][1], 16); - }else if(!is_mpeg12 && (CONFIG_WMV2_DECODER || CONFIG_WMV2_ENCODER) && s->mspel){ + } else if (!is_mpeg12 && (CONFIG_WMV2_DECODER || CONFIG_WMV2_ENCODER) && + s->mspel && s->codec_id == CODEC_ID_WMV2) { ff_mspel_motion(s, dest_y, dest_cb, dest_cr, ref_picture, pix_op, s->mv[dir][0][0], s->mv[dir][0][1], 16); |