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simplify, use LE_32, BE_32 macros

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Originally committed as revision 5682 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2006-07-08 23:23:47 +00:00
parent f7e79298d1
commit 4990951be8
1 changed files with 2 additions and 12 deletions
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14
libavformat/mov.c
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@ -1571,16 +1571,6 @@ static void mov_free_stream_context(MOVStreamContext *sc)
}
}
static inline uint32_t mov_to_tag(uint8_t *buf)
{
return MKTAG(buf[0], buf[1], buf[2], buf[3]);
}
static inline uint32_t to_be32(uint8_t *buf)
{
return (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
}
/* XXX: is it sufficient ? */
static int mov_probe(AVProbeData *p)
{
@ -1596,7 +1586,7 @@ static int mov_probe(AVProbeData *p)
/* ignore invalid offset */
if ((offset + 8) > (unsigned int)p->buf_size)
return score;
tag = mov_to_tag(p->buf + offset + 4);
tag = LE_32(p->buf + offset + 4);
switch(tag) {
/* check for obvious tags */
case MKTAG( 'j', 'P', ' ', ' ' ): /* jpeg 2000 signature */
@ -1614,7 +1604,7 @@ static int mov_probe(AVProbeData *p)
case MKTAG( 'f', 't', 'y', 'p' ):
case MKTAG( 's', 'k', 'i', 'p' ):
case MKTAG( 'u', 'u', 'i', 'd' ):
offset = to_be32(p->buf+offset) + offset;
offset = BE_32(p->buf+offset) + offset;
/* if we only find those cause probedata is too small at least rate them */
score = AVPROBE_SCORE_MAX - 50;
break;