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avformat/dvbsub: check for 0xf0 earlier in probe, 30% faster

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-01-05 16:21:42 +01:00
parent 0e1c827e84
commit 3bf2b376e6
1 changed files with 2 additions and 0 deletions
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2
libavformat/dvbsub.c
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@ -33,6 +33,7 @@ static int dvbsub_probe(AVProbeData *p)
int max_score = 0;
for(i=0; i<p->buf_size; i++){
if (p->buf[i] == 0x0f) {
const uint8_t *ptr = p->buf + i;
uint8_t histogram[6] = {0};
int min = 255;
@ -55,6 +56,7 @@ static int dvbsub_probe(AVProbeData *p)
}
if (min && j > max_score)
max_score = j;
}
}
if (max_score > 5)