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| author | Yaowu Xu <yaowu@google.com> | 2013-02-01 15:34:28 -0800 |
|---|---|---|
| committer | Yaowu Xu <yaowu@google.com> | 2013-02-04 07:31:25 -0800 |
| commit | 1eb79dc1dce110455fc580954552fb4c38dcc6da (patch) | |
| tree | 5d9fc5a21d5949fa435844e56594f561e750bd68 /vp9/decoder/vp9_dequantize.c | |
| parent | ccaaeb4b5aee32d71f45e2fbeda906b7bf84c396 (diff) | |
| download | libvpx-1eb79dc1dce110455fc580954552fb4c38dcc6da.tar libvpx-1eb79dc1dce110455fc580954552fb4c38dcc6da.tar.gz libvpx-1eb79dc1dce110455fc580954552fb4c38dcc6da.tar.bz2 libvpx-1eb79dc1dce110455fc580954552fb4c38dcc6da.zip | |
re-write 8 point idct
to be consistent with idct16 and idct32.
Change-Id: Ie89dbd32b65c33274b7fecb4b41160fcf1962204
Diffstat (limited to 'vp9/decoder/vp9_dequantize.c')
| -rw-r--r-- | vp9/decoder/vp9_dequantize.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/vp9/decoder/vp9_dequantize.c b/vp9/decoder/vp9_dequantize.c index 7a3262891..e46be3ac7 100644 --- a/vp9/decoder/vp9_dequantize.c +++ b/vp9/decoder/vp9_dequantize.c @@ -212,14 +212,11 @@ void vp9_dequant_idct_add_8x8_c(int16_t *input, const int16_t *dq, vp9_copy_mem8x8(pred, pitch, dest, stride); } else if (eob == 1) { /* DC only DCT coefficient. */ + int16_t in = input[0]; int16_t out; - /* Note: the idct1 will need to be modified accordingly whenever * vp9_short_idct8x8_c() is modified. */ - out = (input[0] + 1 + (input[0] < 0)) >> 2; - out = out << 3; - out = (out + 32) >> 7; - + vp9_short_idct1_8x8_c(&in, &out); input[0] = 0; add_constant_residual(out, pred, pitch, dest, stride, 8, 8); |