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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-03-09 22:25:32 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-03-09 22:25:32 +0100 |
| commit | 174678ff5bb74e481c25377c6ae509755bb8e8a2 (patch) | |
| tree | 2a9e34ee491fd9d1e5837c313cf40a932775b551 /libavformat/mpegvideodec.c | |
| parent | ad53c7f9ece7f95cd9538775fb6fd7a17eb1d301 (diff) | |
| download | ffmpeg-174678ff5bb74e481c25377c6ae509755bb8e8a2.tar.gz | |
mpegvideo_probe: Fix misdetection of mpeg4video files.
(issue1210)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/mpegvideodec.c')
| -rw-r--r-- | libavformat/mpegvideodec.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libavformat/mpegvideodec.c b/libavformat/mpegvideodec.c index 11e4bd70e8..100b9585de 100644 --- a/libavformat/mpegvideodec.c +++ b/libavformat/mpegvideodec.c @@ -34,7 +34,7 @@ static int mpegvideo_probe(AVProbeData *p) { uint32_t code= -1; - int pic=0, seq=0, slice=0, pspack=0, vpes=0, apes=0; + int pic=0, seq=0, slice=0, pspack=0, vpes=0, apes=0, res=0; int i; for(i=0; i<p->buf_size; i++){ @@ -44,13 +44,15 @@ static int mpegvideo_probe(AVProbeData *p) case SEQ_START_CODE: seq++; break; case PICTURE_START_CODE: pic++; break; case PACK_START_CODE: pspack++; break; + case 0x1b6: + res++; break; } if (code >= SLICE_START_CODE && code <= 0x1af) slice++; if ((code & 0x1f0) == VIDEO_ID) vpes++; else if((code & 0x1e0) == AUDIO_ID) apes++; } } - if(seq && seq*9<=pic*10 && pic*9<=slice*10 && !pspack && !apes) + if(seq && seq*9<=pic*10 && pic*9<=slice*10 && !pspack && !apes && !res) if(vpes) return AVPROBE_SCORE_MAX/8; else return pic>1 ? AVPROBE_SCORE_MAX/2+1 : AVPROBE_SCORE_MAX/4; // +1 for .mpg return 0; |