Traneptora/FFmpeg
1
Fork 0
forked from FFmpeg/FFmpeg
Code Pull requests Activity

Make dnxhd probe more strict, fail if we detect values in header that would

Browse source 
make our decoder fail anyway.
dnxhd probe now passes probetest.

Originally committed as revision 19847 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2009-09-14 21:50:23 +00:00
parent 9ecc414195
commit 98487a5b69
1 changed files with 12 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
libavformat/raw.c
View file

@ -580,10 +580,19 @@ static int dirac_probe(AVProbeData *p)
static int dnxhd_probe(AVProbeData *p)
{
static const uint8_t header[] = {0x00,0x00,0x02,0x80,0x01};
if (!memcmp(p->buf, header, 5))
return AVPROBE_SCORE_MAX;
else
int w, h, compression_id;
if (p->buf_size < 0x2c)
return 0;
if (memcmp(p->buf, header, 5))
return 0;
h = AV_RB16(p->buf + 0x18);
w = AV_RB16(p->buf + 0x1a);
if (!w || !h)
return 0;
compression_id = AV_RB32(p->buf + 0x28);
if (compression_id < 1237 || compression_id > 1253)
return 0;
return AVPROBE_SCORE_MAX;
}
#endif