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| author | Yunqing Wang <yunqingwang@google.com> | 2011-04-01 16:41:58 -0400 |
|---|---|---|
| committer | Yunqing Wang <yunqingwang@google.com> | 2011-04-01 16:41:58 -0400 |
| commit | 3d6815817cc0d74bbc42294f9fbca01f7840aeef (patch) | |
| tree | 2d097e03587b8e501a13f5c16475c80b3d6dcdc6 /vp8/encoder/onyx_if.c | |
| parent | 534ea700bd690e8f3f6e0d9db930b3bf65a08cac (diff) | |
| download | libvpx-3d6815817cc0d74bbc42294f9fbca01f7840aeef.tar libvpx-3d6815817cc0d74bbc42294f9fbca01f7840aeef.tar.gz libvpx-3d6815817cc0d74bbc42294f9fbca01f7840aeef.tar.bz2 libvpx-3d6815817cc0d74bbc42294f9fbca01f7840aeef.zip | |
Use full-pixel MV in mvsadcost calculation
MV sad cost error is only used in full-pixel motion search,
which only need full-pixel resolution instead of quarter-pixel
resolution. This change reduced mvsadcost table size, and
removed unneccessary pamameter passing since this table is
constant once it is generated.
Change-Id: I9f931e55f6abc3c99011321f1dfb2f3562e6f6b0
Diffstat (limited to 'vp8/encoder/onyx_if.c')
| -rw-r--r-- | vp8/encoder/onyx_if.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/vp8/encoder/onyx_if.c b/vp8/encoder/onyx_if.c index 931c51a66..e5d2bd84c 100644 --- a/vp8/encoder/onyx_if.c +++ b/vp8/encoder/onyx_if.c @@ -1797,13 +1797,13 @@ static void cal_mvsadcosts(int *mvsadcost[2]) do { - double z = 256 * (2 * (log2f(2 * i) + .6)); + double z = 256 * (2 * (log2f(8 * i) + .6)); mvsadcost [0][i] = (int) z; mvsadcost [1][i] = (int) z; mvsadcost [0][-i] = (int) z; mvsadcost [1][-i] = (int) z; } - while (++i <= mv_max); + while (++i <= mvfp_max); } VP8_PTR vp8_create_compressor(VP8_CONFIG *oxcf) @@ -2000,8 +2000,8 @@ VP8_PTR vp8_create_compressor(VP8_CONFIG *oxcf) cpi->mb.mvcost[0] = &cpi->mb.mvcosts[0][mv_max+1]; cpi->mb.mvcost[1] = &cpi->mb.mvcosts[1][mv_max+1]; - cpi->mb.mvsadcost[0] = &cpi->mb.mvsadcosts[0][mv_max+1]; - cpi->mb.mvsadcost[1] = &cpi->mb.mvsadcosts[1][mv_max+1]; + cpi->mb.mvsadcost[0] = &cpi->mb.mvsadcosts[0][mvfp_max+1]; + cpi->mb.mvsadcost[1] = &cpi->mb.mvsadcosts[1][mvfp_max+1]; cal_mvsadcosts(cpi->mb.mvsadcost); |