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Fix C versions of DC calculation functions

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This commit fixes the scaling factors used in the C versions of the
DC calculation functions.

Change-Id: Iab41108c2bb93c2f2e78667214f3a772a2b707b5
This commit is contained in:
Jingning Han 2014-06-13 16:04:21 -07:00
parent 39e28f9f1a
commit 6b0bc34b62
1 changed files with 4 additions and 4 deletions
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8
vp9/encoder/vp9_dct.c
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@ -50,7 +50,7 @@ void vp9_fdct4x4_1_c(const int16_t *input, int16_t *output, int stride) {
for (c = 0; c < 4; ++c)
sum += input[r * stride + c];
output[0] = sum << 3;
output[0] = sum << 1;
output[1] = 0;
}
@ -258,7 +258,7 @@ void vp9_fdct8x8_1_c(const int16_t *input, int16_t *output, int stride) {
for (c = 0; c < 8; ++c)
sum += input[r * stride + c];
output[0] = sum * 8;
output[0] = sum;
output[1] = 0;
}
@ -340,7 +340,7 @@ void vp9_fdct16x16_1_c(const int16_t *input, int16_t *output, int stride) {
for (c = 0; c < 16; ++c)
sum += input[r * stride + c];
output[0] = sum * 8;
output[0] = sum >> 1;
output[1] = 0;
}
@ -1369,7 +1369,7 @@ void vp9_fdct32x32_1_c(const int16_t *input, int16_t *output, int stride) {
for (c = 0; c < 32; ++c)
sum += input[r * stride + c];
output[0] = sum << 2;
output[0] = sum >> 3;
output[1] = 0;
}