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avformat/swfdec: check version and size during probing 

Fixes probetest failure

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-11-06 12:44:02 +01:00
parent 7b7697646b
commit ff1d81b08c
1 changed files with 4 additions and 1 deletions
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5
libavformat/swfdec.c
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@ -55,9 +55,12 @@ static int get_swf_tag(AVIOContext *pb, int *len_ptr)
static int swf_probe(AVProbeData *p)
{
if(p->buf_size < 15)
return 0;
/* check file header */
if ((p->buf[0] == 'F' || p->buf[0] == 'C') && p->buf[1] == 'W' &&
p->buf[2] == 'S')
p->buf[2] == 'S' && p->buf[3] < 20)
return AVPROBE_SCORE_MAX;
else
return 0;