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authorMichael Niedermayer <michaelni@gmx.at>2011-11-20 17:19:25 +0100
committerAnton Khirnov <anton@khirnov.net>2012-10-06 09:46:14 +0200
commitc82ae85a8a78a98f7c7fea68d24a4ac0ca74d01f (patch)
tree89fc16d38c93821e651c0c5fa1e9072ce46bd6c0
parentfd7426ed898533bed98e6b472ff5f5c8e47f2eb5 (diff)
downloadffmpeg-c82ae85a8a78a98f7c7fea68d24a4ac0ca74d01f.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> (cherry picked from commit 899d95efe12f1e250b361837c1c8c06df9ac9b86) Signed-off-by: Anton Khirnov <anton@khirnov.net>
-rw-r--r--libavcodec/mpegvideo_common.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/mpegvideo_common.h b/libavcodec/mpegvideo_common.h
index 73106664f9..258f7cdaa7 100644
--- a/libavcodec/mpegvideo_common.h
+++ b/libavcodec/mpegvideo_common.h
@@ -727,7 +727,8 @@ 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);