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broken stsd length might be < 16, fix elst-assert.mp4 

Originally committed as revision 19084 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2009-06-03 23:13:53 +00:00
parent 502d6c0a23
commit 281551131d
1 changed files with 6 additions and 4 deletions
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10
libavformat/mov.c
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@ -763,15 +763,17 @@ static int mov_read_stsd(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
for(pseudo_stream_id=0; pseudo_stream_id<entries; pseudo_stream_id++) { for(pseudo_stream_id=0; pseudo_stream_id<entries; pseudo_stream_id++) {
//Parsing Sample description table //Parsing Sample description table
enum CodecID id; enum CodecID id;
int dref_id; int dref_id = 1;
MOVAtom a = { 0, 0, 0 }; MOVAtom a = { 0, 0, 0 };
int64_t start_pos = url_ftell(pb); int64_t start_pos = url_ftell(pb);
int size = get_be32(pb); /* size */ int size = get_be32(pb); /* size */
uint32_t format = get_le32(pb); /* data format */ uint32_t format = get_le32(pb); /* data format */
get_be32(pb); /* reserved */ if (size >= 16) {
get_be16(pb); /* reserved */ get_be32(pb); /* reserved */
dref_id = get_be16(pb); get_be16(pb); /* reserved */
dref_id = get_be16(pb);
}
if (st->codec->codec_tag && if (st->codec->codec_tag &&
st->codec->codec_tag != format && st->codec->codec_tag != format &&