lavf/mxfdec: Limit score for files with run-in.

Only return AVPROBE_SCORE_MAX if the header partition pack key
is at the start of the file.
Fixes ticket #8846.

Reviewed-by: Tomas Härdin
This commit is contained in:
Carl Eugen Hoyos 2020-08-24 21:37:00 +02:00
parent d6f293353c
commit 3092a53cbc
1 changed files with 1 additions and 1 deletions

View File

@ -3615,7 +3615,7 @@ static int mxf_probe(const AVProbeData *p) {
AV_RN32(bufp+ 4) == AV_RN32(mxf_header_partition_pack_key+ 4) &&
AV_RN32(bufp+ 8) == AV_RN32(mxf_header_partition_pack_key+ 8) &&
AV_RN16(bufp+12) == AV_RN16(mxf_header_partition_pack_key+12))
return AVPROBE_SCORE_MAX;
return bufp == p->buf ? AVPROBE_SCORE_MAX : AVPROBE_SCORE_MAX - 1;
bufp ++;
} else
bufp += 10;