[SCM] libav/experimental: Check if 4-MV MB should not be decoded.
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 15:48:55 UTC 2013
The following commit has been merged in the experimental branch:
commit fdb5983285b06139219142dd57a37ffa20c9f3b5
Author: Kostya Shishkov <kostya.shishkov at gmail.com>
Date: Sun Jul 9 03:00:57 2006 +0000
Check if 4-MV MB should not be decoded.
Originally committed as revision 5688 to svn://svn.ffmpeg.org/ffmpeg/trunk
diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c
index 2cd65ac..f923d53 100644
--- a/libavcodec/vc1.c
+++ b/libavcodec/vc1.c
@@ -2496,6 +2496,8 @@ static int vc1_decode_p_mb(VC1Context *v, DCTELEM block[6][64])
v->mb_type[0][s->block_index[i]] = is_intra[i];
if(!coded_inter) coded_inter = !is_intra[i] & is_coded[i];
}
+ // if there are no coded blocks then don't do anything more
+ if(!intra_count && !coded_inter) return 0;
dst_idx = 0;
GET_MQUANT();
s->current_picture.qscale_table[mb_pos] = mquant;
--
Libav/FFmpeg packaging
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