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mpegts input: mini-optimization in ts_sync_count()

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This commit is contained in:
Jaroslav Kysela 2015-03-22 17:54:47 +01:00
parent a7445b1f2d
commit 023563f602
1 changed files with 2 additions and 4 deletions
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6
src/input/mpegts/mpegts_input.c
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@ -821,7 +821,7 @@ mpegts_input_tuning_error ( mpegts_input_t *mi, mpegts_mux_t *mm )
static int inline
ts_sync_count ( const uint8_t *tsb, int len )
{
int r = 0;
const uint8_t *start = tsb;
while (len >= 188) {
if (len >= 1880 &&
tsb[0*188] == 0x47 && tsb[1*188] == 0x47 &&
@ -829,18 +829,16 @@ ts_sync_count ( const uint8_t *tsb, int len )
tsb[4*188] == 0x47 && tsb[5*188] == 0x47 &&
tsb[6*188] == 0x47 && tsb[7*188] == 0x47 &&
tsb[8*188] == 0x47 && tsb[9*188] == 0x47) {
r += 1880;
len -= 1880;
tsb += 1880;
} else if (*tsb == 0x47) {
r += 188;
len -= 188;
tsb += 188;
} else {
break;
}
}
return r;
return tsb - start;
}
void