diff options
| author | Reynaldo H. Verdejo Pinochet <reynaldo@opendot.cl> | 2009-10-18 18:02:12 +0000 |
|---|---|---|
| committer | Reynaldo H. Verdejo Pinochet <reynaldo@opendot.cl> | 2009-10-18 18:02:12 +0000 |
| commit | f122ef36b198577ce2ef91224369032ccbef626b (patch) | |
| tree | 9fb4b28be5556176a04b817f1e1782f64a9d19ed /libavformat/mtv.c | |
| parent | a828d48cfc73d244c3ab9bf19ba0e057f5439036 (diff) | |
Smarten mtv's probe a bit. Check for non zero
on bpp and width|height header fields. This
change is among the ones suggested by Vitor
Sessak in his '[FFmpeg-devel] [PATCH] Improve
MTV probe' thread.
Originally committed as revision 20283 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/mtv.c')
| -rw-r--r-- | libavformat/mtv.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavformat/mtv.c b/libavformat/mtv.c index 42aa91f7b3..ef07e4a3b0 100644 --- a/libavformat/mtv.c +++ b/libavformat/mtv.c @@ -25,6 +25,7 @@ */ #include "libavutil/bswap.h" +#include "libavutil/intreadwrite.h" #include "avformat.h" #define MTV_ASUBCHUNK_DATA_SIZE 500 @@ -56,6 +57,10 @@ static int mtv_probe(AVProbeData *p) if(*(p->buf) != 'A' || *(p->buf+1) != 'M' || *(p->buf+2) != 'V') return 0; + /* Check for nonzero in bpp and (width|height) header fields */ + if(!(p->buf[51] && AV_RL16(&p->buf[52]) | AV_RL16(&p->buf[54]))) + return 0; + return AVPROBE_SCORE_MAX; } |