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authorMichael Niedermayer <michaelni@gmx.at>2009-11-29 01:50:43 +0000
committerMichael Niedermayer <michaelni@gmx.at>2009-11-29 01:50:43 +0000
commit9d13016690a6e299aa8289550225df84f4a7fa30 (patch)
tree2ca7ad3b575d6f86d951f325a89f7c78e47365d6 /libavcodec
parent1c3260939dc61e410d4eaa5ee4eb184f0830ae55 (diff)
downloadffmpeg-9d13016690a6e299aa8289550225df84f4a7fa30.tar.gz
Make sure field_select is not set to nonsensical values even if unused.
Fixed an assert failure. Originally committed as revision 20646 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/mpeg12.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c
index b48d62679d..196930c463 100644
--- a/libavcodec/mpeg12.c
+++ b/libavcodec/mpeg12.c
@@ -1847,7 +1847,7 @@ static int mpeg_decode_slice(Mpeg1Context *s1, int mb_y,
s->mv[0][0][0] = s->mv[0][0][1] = 0;
s->last_mv[0][0][0] = s->last_mv[0][0][1] = 0;
s->last_mv[0][1][0] = s->last_mv[0][1][1] = 0;
- s->field_select[0][0]= s->picture_structure - 1;
+ s->field_select[0][0]= (s->picture_structure - 1) & 1;
} else {
/* if B type, reuse previous vectors and directions */
s->mv[0][0][0] = s->last_mv[0][0][0];