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avcodec/prosumer: clean up loop end code in fill_elements()

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Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2018-09-22 18:13:58 +02:00
parent 674727291b
commit f24701b073
1 changed files with 6 additions and 11 deletions
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17
libavcodec/prosumer.c
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@ -280,36 +280,31 @@ static const uint32_t table[] = {
static void fill_elements(uint32_t idx, uint32_t shift, int size, uint32_t *e0, uint32_t *e1)
{
uint32_t a = 1, b, g = 1, h = idx << (32 - shift);
uint32_t b, h = idx << (32 - shift);
for (int i = 0; i < size; i++) {
if (!a || !g)
break;
b = 4 * (table[2 * i + 1] & 0xF);
if (shift >= b && (h & (0xFFF00000u << (12 - b))) == (table[2 * i + 1] & 0xFFFF0000u)) {
if (table[2 * i] >> 8 == 0x80u) {
g = 0;
return;
} else {
a = 0;
*e1 = table[2 * i];
*e0 = (*e0 & 0xFFFFFFu) | (((12 + b - shift) & 0xFFFFFFFCu | 0x40u) << 22);
shift -= b;
h <<= b;
break;
}
}
}
a = 1;
for (int i = 0; i < size; i++) {
if (!a || !g)
break;
b = 4 * (table[2 * i + 1] & 0xF);
if (shift >= b && (h & (0xFFF00000u << (12 - b))) == (table[2 * i + 1] & 0xFFFF0000u)) {
if ((table[2 * i] >> 8) == 0x80u) {
g = 0;
if (table[2 * i] >> 8 == 0x80u) {
return;
} else {
a = 0;
*e1 |= table[2 * i] << 16;
*e0 = (*e0 & 0xFFFFFFu) | (((12 + b - shift) & 0xFFFFFFFCu | 0x80u) << 22);
break;
}
}
}