[SCM] libav/experimental: (commit by michael) new msmpeg4 dequantizer did dequantize too early
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 15:30:49 UTC 2013
The following commit has been merged in the experimental branch:
commit 99180fe39d9a65eb803718a8f6004a11231bc734
Author: Michael Niedermayer <michaelni at gmx.at>
Date: Sun Jan 13 06:12:35 2002 +0000
(commit by michael)
new msmpeg4 dequantizer did dequantize too early
Originally committed as revision 261 to svn://svn.ffmpeg.org/ffmpeg/trunk
diff --git a/libavcodec/msmpeg4.c b/libavcodec/msmpeg4.c
index 2d5d3dd..c8df0c4 100644
--- a/libavcodec/msmpeg4.c
+++ b/libavcodec/msmpeg4.c
@@ -868,9 +868,10 @@ static int msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
if (code < 0 || code >= rl->n)
return -1;
run = rl->table_run[code];
- level = rl->table_level[code] * qmul + qadd;
+ level = rl->table_level[code];
last = code >= rl->last;
run += rl->max_run[last][level] + run_diff;
+ level= level * qmul + qadd;
if (get_bits1(&s->gb))
level = -level;
}
--
Libav/FFmpeg packaging
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