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vorbisdec: use correct channels variable. 

All code should use the local variable, the
AVCodecContext might not yet have the updated value.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
This commit is contained in:
Reimar Döffinger 2012-04-11 21:04:46 +02:00
parent d1a58afb95
commit 4561feb4bf
1 changed files with 1 additions and 1 deletions
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2
libavcodec/vorbisdec.c
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@ -687,7 +687,7 @@ static int vorbis_parse_setup_hdr_residues(vorbis_context *vc)
res_setup->partition_size = get_bits(gb, 24) + 1;
/* Validations to prevent a buffer overflow later. */
if (res_setup->begin>res_setup->end ||
res_setup->end > (res_setup->type == 2 ? vc->avccontext->channels : 1) * vc->blocksize[1] / 2 ||
res_setup->end > (res_setup->type == 2 ? vc->audio_channels : 1) * vc->blocksize[1] / 2 ||
(res_setup->end-res_setup->begin) / res_setup->partition_size > V_MAX_PARTITIONS) {
av_log(vc->avccontext, AV_LOG_ERROR,
"partition out of bounds: type, begin, end, size, blocksize: %"PRIu16", %"PRIu32", %"PRIu32", %u, %"PRIu32"\n",