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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-11-10 12:53:38 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-11-10 13:25:35 +0100 |
| commit | 9225ebd50d4f5fb88c05df59367b6b9b6e792773 (patch) | |
| tree | fa560172f2b02d9da5fe126487cd8020ea2cb7f5 /libavformat/swfdec.c | |
| parent | b57083529650be5417056453fae8b2bf2dface59 (diff) | |
| download | ffmpeg-9225ebd50d4f5fb88c05df59367b6b9b6e792773.tar.gz | |
avformat/swfdec: return AVPROBE_SCORE_MAX / 4 for unexpected versions
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/swfdec.c')
| -rw-r--r-- | libavformat/swfdec.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/libavformat/swfdec.c b/libavformat/swfdec.c index aa6ce8464e..e6ceec818a 100644 --- a/libavformat/swfdec.c +++ b/libavformat/swfdec.c @@ -59,11 +59,14 @@ static int swf_probe(AVProbeData *p) return 0; /* check file header */ - if ((p->buf[0] == 'F' || p->buf[0] == 'C') && p->buf[1] == 'W' && - p->buf[2] == 'S' && p->buf[3] < 20) - return AVPROBE_SCORE_MAX; - else + if ( AV_RB24(p->buf) != AV_RB24("CWS") + && AV_RB24(p->buf) != AV_RB24("FWS")) return 0; + + if (p->buf[3] >= 20) + return AVPROBE_SCORE_MAX / 4; + + return AVPROBE_SCORE_MAX; } #if CONFIG_ZLIB |