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avidec: workaround aac with broken block align 

Fixes Ticket1742

Based on patch by: Nikola Vranic <nikola.vranic@rt-rk.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-09-18 21:47:22 +02:00
parent 8e2a950b29
commit 8d07742cb1
1 changed files with 4 additions and 0 deletions
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4
libavformat/avidec.c
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@ -676,6 +676,10 @@ static int avi_read_header(AVFormatContext *s)
st->codec->codec_id = AV_CODEC_ID_ADPCM_IMA_AMV;
ast->dshow_block_align = 0;
}
if(st->codec->codec_id == AV_CODEC_ID_AAC && ast->dshow_block_align <= 4 && ast->dshow_block_align) {
av_log(s, AV_LOG_DEBUG, "overriding invalid dshow_block_align of %d\n", ast->dshow_block_align);
ast->dshow_block_align = 0;
}
break;
case AVMEDIA_TYPE_SUBTITLE:
st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE;