ID3v2 tags which no longer works since ID3v2 handling was moved to
generic code.
In addition, in caused false-positives for all files starting with
one or more 0-bytes.
Originally committed as revision 25929 to svn://svn.ffmpeg.org/ffmpeg/trunk
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(buf0!=p->buf) return AVPROBE_SCORE_MAX/4-1;
else if(max_frames>=1) return 1;
else return 0;
//mpegps_mp3_unrecognized_format.mpg has max_frames=3