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| author | Paul B Mahol <onemda@gmail.com> | 2020-09-03 17:50:45 +0200 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2020-09-03 18:03:18 +0200 |
| commit | 69e22e21e3aaf92bb4038646f18a3d64fb6b636e (patch) | |
| tree | c8452f6e59c83dc9c738d9dcbea6542de580b8f2 | |
| parent | 4cfe8123ea13aa94a61409dc27fa27e521e2340e (diff) | |
| download | ffmpeg-69e22e21e3aaf92bb4038646f18a3d64fb6b636e.tar.gz | |
avformat/musx: improve probing
| -rw-r--r-- | libavformat/musx.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/libavformat/musx.c b/libavformat/musx.c index 8537eb7e72..9dd721182a 100644 --- a/libavformat/musx.c +++ b/libavformat/musx.c @@ -20,12 +20,23 @@ */ #include "libavutil/avassert.h" +#include "libavutil/intreadwrite.h" #include "avformat.h" #include "internal.h" static int musx_probe(const AVProbeData *p) { - if (memcmp(p->buf, "MUSX", 4)) + unsigned version; + + if (AV_RB32(p->buf) != MKBETAG('M','U','S','X')) + return 0; + + version = AV_RL32(p->buf + 8); + if (version != 10 && + version != 6 && + version != 5 && + version != 4 && + version != 201) return 0; return AVPROBE_SCORE_MAX / 5 * 2; |