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authorJustin Ruggles <justin.ruggles@gmail.com>2008-07-19 22:01:46 +0000
committerJustin Ruggles <justin.ruggles@gmail.com>2008-07-19 22:01:46 +0000
commit4760aec6a09ceb1572e462941c016d699c1c5afc (patch)
tree01785d3edd8f180fef997950f3685d2752c2a73c /libavcodec/ac3dec.c
parent4f20b45fbeea62fa149c8bc471d75e42a1f7469c (diff)
downloadffmpeg-4760aec6a09ceb1572e462941c016d699c1c5afc.tar.gz
read 'coupling in use' parameter from bitstream into decoder context first,
then copy to the local variable. Originally committed as revision 14311 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/ac3dec.c')
-rw-r--r--libavcodec/ac3dec.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c
index 8f62d7f5ca..d76597afc1 100644
--- a/libavcodec/ac3dec.c
+++ b/libavcodec/ac3dec.c
@@ -753,8 +753,8 @@ static int ac3_parse_audio_block(AC3DecodeContext *s, int blk)
/* coupling strategy */
if (get_bits1(gbc)) {
memset(bit_alloc_stages, 3, AC3_MAX_CHANNELS);
- cpl_in_use = get_bits1(gbc);
- if (cpl_in_use) {
+ s->cpl_in_use[blk] = get_bits1(gbc);
+ if (s->cpl_in_use[blk]) {
/* coupling in use */
int cpl_begin_freq, cpl_end_freq;
@@ -797,9 +797,9 @@ static int ac3_parse_audio_block(AC3DecodeContext *s, int blk)
av_log(s->avctx, AV_LOG_ERROR, "new coupling strategy must be present in block 0\n");
return -1;
} else {
- cpl_in_use = s->cpl_in_use[blk-1];
+ s->cpl_in_use[blk] = s->cpl_in_use[blk-1];
}
- s->cpl_in_use[blk] = cpl_in_use;
+ cpl_in_use = s->cpl_in_use[blk];
/* coupling coordinates */
if (cpl_in_use) {