From e84dab5f57acd210ed6b8dd4c044a278cfadee29 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 2 Mar 2006 14:27:41 +0000 Subject: [PATCH] fixing demuxing of minorityreport.AVI Originally committed as revision 5096 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavformat/avidec.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/libavformat/avidec.c b/libavformat/avidec.c index b3c96211ca..1004c172ef 100644 --- a/libavformat/avidec.c +++ b/libavformat/avidec.c @@ -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(