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ipmovie_probe: speedup by avoiding memcmp() call

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
tags/n1.0
Michael Niedermayer 13 years ago
parent
commit
cc4d80c99f
1 changed files with 2 additions and 1 deletions
  1. +2
    -1
      libavformat/ipmovie.c

+ 2
- 1
libavformat/ipmovie.c View File

@@ -529,8 +529,9 @@ static int ipmovie_probe(AVProbeData *p)
uint8_t *b = p->buf;
uint8_t *b_end = p->buf + p->buf_size - sizeof(signature);
do {
if (memcmp(b++, signature, sizeof(signature)) == 0)
if (b[0] == signature[0] && memcmp(b, signature, sizeof(signature)) == 0)
return AVPROBE_SCORE_MAX;
b++;
} while (b < b_end);

return 0;


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