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fixing demuxing of minorityreport.AVI

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Originally committed as revision 5096 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2006-03-02 14:27:41 +00:00
parent 8d359bbabe
commit e84dab5f57
1 changed files with 4 additions and 2 deletions
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6
libavformat/avidec.c
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@ -403,6 +403,8 @@ static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
break;
case CODEC_TYPE_AUDIO:
get_wav_header(pb, st->codec, size);
if(ast->sample_size && st->codec->block_align && ast->sample_size % st->codec->block_align)
av_log(s, AV_LOG_DEBUG, "invalid sample size or block align detected\n");
if (size%2) /* 2-aligned (fix for Stargate SG-1 - 3x18 - Shades of Grey.avi) */
url_fskip(pb, 1);
/* special case time: To support Xan DPCM, hardcode
@ -522,7 +524,7 @@ resync:
AVIStream *ast= st->priv_data;
int size;
if(ast->sample_size == 0)
if(ast->sample_size <= 1) // minorityreport.AVI block_align=1024 sample_size=1 IMA-ADPCM
size= INT_MAX;
else if(ast->sample_size < 32)
size= 64*ast->sample_size;
@ -850,7 +852,7 @@ static int avi_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp
if (st2->nb_index_entries <= 0)
continue;
// assert(st2->codec.block_align);
// assert(st2->codec->block_align);
assert(st2->time_base.den == ast2->rate);
assert(st2->time_base.num == ast2->scale);
index = av_index_search_timestamp(