Sync AC3 probe values with MP3 probe values, they have to avoid similar issues.

This fixes ffmpeg-generated files with -acodec ac3 being detected as raw ac3
instead of MPEG.

Originally committed as revision 20075 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2009-09-29 10:23:47 +00:00
parent f6765f3f04
commit 4b4ac5c7a8
2 changed files with 7 additions and 2 deletions

View File

@ -63,6 +63,8 @@ static int mp3_read_probe(AVProbeData *p)
if(buf == buf0)
first_frames= frames;
}
// keep this in sync with ac3 probe, both need to avoid
// issues with MPEG-files!
if (first_frames>=4) return AVPROBE_SCORE_MAX/2+1;
else if(max_frames>500)return AVPROBE_SCORE_MAX/2;
else if(max_frames>=4) return AVPROBE_SCORE_MAX/4;

View File

@ -628,8 +628,11 @@ static int ac3_eac3_probe(AVProbeData *p, enum CodecID expected_codec_id)
first_frames = frames;
}
if(codec_id != expected_codec_id) return 0;
if (first_frames>=3) return AVPROBE_SCORE_MAX * 3 / 4;
else if(max_frames>=3) return AVPROBE_SCORE_MAX / 2;
// keep this in sync with mp3 probe, both need to avoid
// issues with MPEG-files!
if (first_frames>=4) return AVPROBE_SCORE_MAX/2+1;
else if(max_frames>500)return AVPROBE_SCORE_MAX/2;
else if(max_frames>=4) return AVPROBE_SCORE_MAX/4;
else if(max_frames>=1) return 1;
else return 0;
}