mirror of https://git.ffmpeg.org/ffmpeg.git
avcodec/prosumer: Only scan as many elements as matter in fill_elements()
Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -279,12 +279,12 @@ static const uint16_t table[] = {
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0x0001
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};
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static void fill_elements(uint32_t idx, uint32_t shift, int size, uint32_t *e0, uint32_t *e1)
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static void fill_elements(uint32_t idx, uint32_t shift, uint32_t *e0, uint32_t *e1)
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{
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uint32_t b, h = idx << (32 - shift);
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for (int j = 0; j < 2; j++) {
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for (int i = 0; i < size; i++) {
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for (int i = 0; i < 43; i++) {
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b = 4 * TB(i);
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if (shift >= b && ((h & (0xFFF00000u << (12 - b))) >> 20) == table[2 * i + 1]) {
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if (table[2 * i] >> 8 == 0x80u) {
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@ -322,7 +322,7 @@ static void fill_lut(uint32_t *lut)
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uint32_t f = 0xFFFFFFFFu;
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c &= 0xFFFFFFu;
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if ((c & 0xFF00u) != 0x8000u)
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fill_elements(j, d, 365, &c, &f);
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fill_elements(j, d, &c, &f);
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lut[2 * a + 2 * j] = c;
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lut[2 * a + 2 * j + 1] = f;
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}
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