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Make flic probe check a few more things. 

fixes issue399

Originally committed as revision 14235 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-07-14 22:55:07 +00:00
parent 744b4c02c2
commit 154dffd04c
1 changed files with 13 additions and 0 deletions
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13
libavformat/flic.c
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@ -54,12 +54,25 @@ static int flic_probe(AVProbeData *p)
{
int magic_number;
if(p->buf_size < FLIC_HEADER_SIZE)
return 0;
magic_number = AV_RL16(&p->buf[4]);
if ((magic_number != FLIC_FILE_MAGIC_1) &&
(magic_number != FLIC_FILE_MAGIC_2) &&
(magic_number != FLIC_FILE_MAGIC_3))
return 0;
if(AV_RL16(&p->buf[0x10]) != FLIC_CHUNK_MAGIC_1){
if(AV_RL32(&p->buf[0x10]) > 2000)
return 0;
}
if( AV_RL16(&p->buf[0x08]) > 4096
|| AV_RL16(&p->buf[0x0A]) > 4096)
return 0;
return AVPROBE_SCORE_MAX;
}