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msmpeg4: Don't set up run-level info for level 0.
author
Alex Converse
<alex.converse@gmail.com>
Thu, 3 Nov 2011 22:57:23 +0000
(15:57 -0700)
committer
Alex Converse
<alex.converse@gmail.com>
Mon, 7 Nov 2011 18:48:53 +0000
(10:48 -0800)
run: The number of zero coefficients preceding a non-zero coefficient,
in the scan order. The absolute value of the non-zero coefficient is
called "level".
The run-level code makes illegal reads when trying to set up tables for
nonsense level 0.
libavcodec/msmpeg4.c
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diff --git
a/libavcodec/msmpeg4.c
b/libavcodec/msmpeg4.c
index
93191cc
..
84e6249
100644
(file)
--- a/
libavcodec/msmpeg4.c
+++ b/
libavcodec/msmpeg4.c
@@
-266,7
+266,7
@@
av_cold void ff_msmpeg4_encode_init(MpegEncContext *s)
for(i=0; i<NB_RL_TABLES; i++){
int level;
- for
(level=0; level<=MAX_LEVEL; level++)
{
+ for
(level = 1; level <= MAX_LEVEL; level++)
{
int run;
for(run=0; run<=MAX_RUN; run++){
int last;