diff options
Diffstat (limited to 'third_party/aom/av1/common/clpf.c')
-rw-r--r-- | third_party/aom/av1/common/clpf.c | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/third_party/aom/av1/common/clpf.c b/third_party/aom/av1/common/clpf.c deleted file mode 100644 index d643236aa..000000000 --- a/third_party/aom/av1/common/clpf.c +++ /dev/null @@ -1,115 +0,0 @@ -/* - * Copyright (c) 2016, Alliance for Open Media. All rights reserved - * - * This source code is subject to the terms of the BSD 2 Clause License and - * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License - * was not distributed with this source code in the LICENSE file, you can - * obtain it at www.aomedia.org/license/software. If the Alliance for Open - * Media Patent License 1.0 was not distributed with this source code in the - * PATENTS file, you can obtain it at www.aomedia.org/license/patent. - */ - -#include "./av1_rtcd.h" -#include "./cdef.h" -#include "aom/aom_image.h" -#include "aom_dsp/aom_dsp_common.h" - -static int clpf_sample(int X, int A, int B, int C, int D, int E, int F, int G, - int H, int s, unsigned int dmp) { - int delta = 1 * constrain(A - X, s, dmp) + 3 * constrain(B - X, s, dmp) + - 1 * constrain(C - X, s, dmp) + 3 * constrain(D - X, s, dmp) + - 3 * constrain(E - X, s, dmp) + 1 * constrain(F - X, s, dmp) + - 3 * constrain(G - X, s, dmp) + 1 * constrain(H - X, s, dmp); - return (8 + delta - (delta < 0)) >> 4; -} - -static int clpf_hsample(int X, int A, int B, int C, int D, int s, - unsigned int dmp) { - int delta = 1 * constrain(A - X, s, dmp) + 3 * constrain(B - X, s, dmp) + - 3 * constrain(C - X, s, dmp) + 1 * constrain(D - X, s, dmp); - return (4 + delta - (delta < 0)) >> 3; -} - -void aom_clpf_block_c(uint8_t *dst, const uint16_t *src, int dstride, - int sstride, int sizex, int sizey, unsigned int strength, - unsigned int damping) { - int x, y; - - for (y = 0; y < sizey; y++) { - for (x = 0; x < sizex; x++) { - const int X = src[y * sstride + x]; - const int A = src[(y - 2) * sstride + x]; - const int B = src[(y - 1) * sstride + x]; - const int C = src[y * sstride + x - 2]; - const int D = src[y * sstride + x - 1]; - const int E = src[y * sstride + x + 1]; - const int F = src[y * sstride + x + 2]; - const int G = src[(y + 1) * sstride + x]; - const int H = src[(y + 2) * sstride + x]; - const int delta = - clpf_sample(X, A, B, C, D, E, F, G, H, strength, damping); - dst[y * dstride + x] = X + delta; - } - } -} - -// Identical to aom_clpf_block_c() apart from "dst". -void aom_clpf_block_hbd_c(uint16_t *dst, const uint16_t *src, int dstride, - int sstride, int sizex, int sizey, - unsigned int strength, unsigned int damping) { - int x, y; - - for (y = 0; y < sizey; y++) { - for (x = 0; x < sizex; x++) { - const int X = src[y * sstride + x]; - const int A = src[(y - 2) * sstride + x]; - const int B = src[(y - 1) * sstride + x]; - const int C = src[y * sstride + x - 2]; - const int D = src[y * sstride + x - 1]; - const int E = src[y * sstride + x + 1]; - const int F = src[y * sstride + x + 2]; - const int G = src[(y + 1) * sstride + x]; - const int H = src[(y + 2) * sstride + x]; - const int delta = - clpf_sample(X, A, B, C, D, E, F, G, H, strength, damping); - dst[y * dstride + x] = X + delta; - } - } -} - -// Vertically restricted filter -void aom_clpf_hblock_c(uint8_t *dst, const uint16_t *src, int dstride, - int sstride, int sizex, int sizey, unsigned int strength, - unsigned int damping) { - int x, y; - - for (y = 0; y < sizey; y++) { - for (x = 0; x < sizex; x++) { - const int X = src[y * sstride + x]; - const int A = src[y * sstride + x - 2]; - const int B = src[y * sstride + x - 1]; - const int C = src[y * sstride + x + 1]; - const int D = src[y * sstride + x + 2]; - const int delta = clpf_hsample(X, A, B, C, D, strength, damping); - dst[y * dstride + x] = X + delta; - } - } -} - -void aom_clpf_hblock_hbd_c(uint16_t *dst, const uint16_t *src, int dstride, - int sstride, int sizex, int sizey, - unsigned int strength, unsigned int damping) { - int x, y; - - for (y = 0; y < sizey; y++) { - for (x = 0; x < sizex; x++) { - const int X = src[y * sstride + x]; - const int A = src[y * sstride + x - 2]; - const int B = src[y * sstride + x - 1]; - const int C = src[y * sstride + x + 1]; - const int D = src[y * sstride + x + 2]; - const int delta = clpf_hsample(X, A, B, C, D, strength, damping); - dst[y * dstride + x] = X + delta; - } - } -} |