[FFmpeg-cvslog] r14311 - trunk/libavcodec/ac3dec.c
jbr
subversion
Sun Jul 20 00:01:46 CEST 2008
Author: jbr
Date: Sun Jul 20 00:01:46 2008
New Revision: 14311
Log:
read 'coupling in use' parameter from bitstream into decoder context first,
then copy to the local variable.
Modified:
trunk/libavcodec/ac3dec.c
Modified: trunk/libavcodec/ac3dec.c
==============================================================================
--- trunk/libavcodec/ac3dec.c (original)
+++ trunk/libavcodec/ac3dec.c Sun Jul 20 00:01:46 2008
@@ -753,8 +753,8 @@ static int ac3_parse_audio_block(AC3Deco
/* 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(AC3Deco
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) {
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