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Added eob == 0 check to vp9_dequant_idct_add_32x32_c

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Added a quick eob == 0 check.  Once the integer version of the dct32x32 is
complete, we can check for other eob cases.

For the 1080p clip used, the decoder performance improved by 4%.

Change-Id: I9390b6ed3c8be0c0c0a0c44c578d9a031d6e026e
This commit is contained in:
Scott LaVarnway 2013-01-24 17:09:56 -08:00
parent 425316bcef
commit 9d4c26531b
1 changed files with 8 additions and 6 deletions
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14
vp9/decoder/vp9_dequantize.c
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@ -354,13 +354,15 @@ void vp9_dequant_idct_add_32x32_c(int16_t *input, const int16_t *dq,
int16_t output[1024];
int i;
input[0]= input[0] * dq[0] / 2;
for (i = 1; i < 1024; i++)
input[i] = input[i] * dq[1] / 2;
vp9_short_idct32x32_c(input, output, 64);
vpx_memset(input, 0, 2048);
if (eob) {
input[0]= input[0] * dq[0] / 2;
for (i = 1; i < 1024; i++)
input[i] = input[i] * dq[1] / 2;
vp9_short_idct32x32_c(input, output, 64);
vpx_memset(input, 0, 2048);
add_residual(output, pred, pitch, dest, stride, 32, 32);
add_residual(output, pred, pitch, dest, stride, 32, 32);
}
}
void vp9_dequant_idct_add_uv_block_16x16_c(int16_t *q, const int16_t *dq,