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additional tweaks to AC3 probe function. give a higher score to a single frame
at the start of the stream. also read all available data in the probe buffer. Originally committed as revision 9922 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -419,7 +419,7 @@ static int ac3_probe(AVProbeData *p)
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max_frames = 0;
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buf = p->buf;
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end = buf + FFMIN(5120, p->buf_size - 7);
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end = buf + p->buf_size;
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for(; buf < end; buf++) {
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buf2 = buf;
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@ -434,7 +434,7 @@ static int ac3_probe(AVProbeData *p)
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first_frames = frames;
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}
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if (first_frames>=3) return AVPROBE_SCORE_MAX * 3 / 4;
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else if(max_frames>=2) return AVPROBE_SCORE_MAX / 2;
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else if(max_frames>=2 || first_frames>=1) return AVPROBE_SCORE_MAX / 2;
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else if(max_frames>=1) return 1;
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else return 0;
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}
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