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authorMatt A. Tobin <email@mattatobin.com>2020-04-07 23:30:51 -0400
committerwolfbeast <mcwerewolf@wolfbeast.com>2020-04-14 13:26:42 +0200
commit277f2116b6660e9bbe7f5d67524be57eceb49b8b (patch)
tree4595f7cc71418f71b9a97dfaeb03a30aa60f336a /third_party/aom/av1/common/cdef.c
parentd270404436f6e84ffa3b92af537ac721bf10d66e (diff)
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Move aom source to a sub-directory under media/libaom
There is no damned reason to treat this differently than any other media lib given its license and there never was.
Diffstat (limited to 'third_party/aom/av1/common/cdef.c')
-rw-r--r--third_party/aom/av1/common/cdef.c403
1 files changed, 0 insertions, 403 deletions
diff --git a/third_party/aom/av1/common/cdef.c b/third_party/aom/av1/common/cdef.c
deleted file mode 100644
index e9e2b0e42..000000000
--- a/third_party/aom/av1/common/cdef.c
+++ /dev/null
@@ -1,403 +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 <assert.h>
-#include <math.h>
-#include <string.h>
-
-#include "config/aom_scale_rtcd.h"
-
-#include "aom/aom_integer.h"
-#include "av1/common/cdef.h"
-#include "av1/common/cdef_block.h"
-#include "av1/common/onyxc_int.h"
-#include "av1/common/reconinter.h"
-
-int sb_all_skip(const AV1_COMMON *const cm, int mi_row, int mi_col) {
- int maxc, maxr;
- int skip = 1;
- maxc = cm->mi_cols - mi_col;
- maxr = cm->mi_rows - mi_row;
-
- maxr = AOMMIN(maxr, MI_SIZE_64X64);
- maxc = AOMMIN(maxc, MI_SIZE_64X64);
-
- for (int r = 0; r < maxr; r++) {
- for (int c = 0; c < maxc; c++) {
- skip =
- skip &&
- cm->mi_grid_visible[(mi_row + r) * cm->mi_stride + mi_col + c]->skip;
- }
- }
- return skip;
-}
-
-static int is_8x8_block_skip(MB_MODE_INFO **grid, int mi_row, int mi_col,
- int mi_stride) {
- int is_skip = 1;
- for (int r = 0; r < mi_size_high[BLOCK_8X8]; ++r)
- for (int c = 0; c < mi_size_wide[BLOCK_8X8]; ++c)
- is_skip &= grid[(mi_row + r) * mi_stride + (mi_col + c)]->skip;
-
- return is_skip;
-}
-
-int sb_compute_cdef_list(const AV1_COMMON *const cm, int mi_row, int mi_col,
- cdef_list *dlist, BLOCK_SIZE bs) {
- MB_MODE_INFO **grid = cm->mi_grid_visible;
- int maxc = cm->mi_cols - mi_col;
- int maxr = cm->mi_rows - mi_row;
-
- if (bs == BLOCK_128X128 || bs == BLOCK_128X64)
- maxc = AOMMIN(maxc, MI_SIZE_128X128);
- else
- maxc = AOMMIN(maxc, MI_SIZE_64X64);
- if (bs == BLOCK_128X128 || bs == BLOCK_64X128)
- maxr = AOMMIN(maxr, MI_SIZE_128X128);
- else
- maxr = AOMMIN(maxr, MI_SIZE_64X64);
-
- const int r_step = mi_size_high[BLOCK_8X8];
- const int c_step = mi_size_wide[BLOCK_8X8];
- const int r_shift = (r_step == 2);
- const int c_shift = (c_step == 2);
-
- assert(r_step == 1 || r_step == 2);
- assert(c_step == 1 || c_step == 2);
-
- int count = 0;
-
- for (int r = 0; r < maxr; r += r_step) {
- for (int c = 0; c < maxc; c += c_step) {
- if (!is_8x8_block_skip(grid, mi_row + r, mi_col + c, cm->mi_stride)) {
- dlist[count].by = r >> r_shift;
- dlist[count].bx = c >> c_shift;
- dlist[count].skip = 0;
- count++;
- }
- }
- }
- return count;
-}
-
-void copy_rect8_8bit_to_16bit_c(uint16_t *dst, int dstride, const uint8_t *src,
- int sstride, int v, int h) {
- for (int i = 0; i < v; i++) {
- for (int j = 0; j < h; j++) {
- dst[i * dstride + j] = src[i * sstride + j];
- }
- }
-}
-
-void copy_rect8_16bit_to_16bit_c(uint16_t *dst, int dstride,
- const uint16_t *src, int sstride, int v,
- int h) {
- for (int i = 0; i < v; i++) {
- for (int j = 0; j < h; j++) {
- dst[i * dstride + j] = src[i * sstride + j];
- }
- }
-}
-
-static void copy_sb8_16(AOM_UNUSED AV1_COMMON *cm, uint16_t *dst, int dstride,
- const uint8_t *src, int src_voffset, int src_hoffset,
- int sstride, int vsize, int hsize) {
- if (cm->seq_params.use_highbitdepth) {
- const uint16_t *base =
- &CONVERT_TO_SHORTPTR(src)[src_voffset * sstride + src_hoffset];
- copy_rect8_16bit_to_16bit(dst, dstride, base, sstride, vsize, hsize);
- } else {
- const uint8_t *base = &src[src_voffset * sstride + src_hoffset];
- copy_rect8_8bit_to_16bit(dst, dstride, base, sstride, vsize, hsize);
- }
-}
-
-static INLINE void fill_rect(uint16_t *dst, int dstride, int v, int h,
- uint16_t x) {
- for (int i = 0; i < v; i++) {
- for (int j = 0; j < h; j++) {
- dst[i * dstride + j] = x;
- }
- }
-}
-
-static INLINE void copy_rect(uint16_t *dst, int dstride, const uint16_t *src,
- int sstride, int v, int h) {
- for (int i = 0; i < v; i++) {
- for (int j = 0; j < h; j++) {
- dst[i * dstride + j] = src[i * sstride + j];
- }
- }
-}
-
-void av1_cdef_frame(YV12_BUFFER_CONFIG *frame, AV1_COMMON *cm,
- MACROBLOCKD *xd) {
- const int num_planes = av1_num_planes(cm);
- DECLARE_ALIGNED(16, uint16_t, src[CDEF_INBUF_SIZE]);
- uint16_t *linebuf[3];
- uint16_t *colbuf[3];
- cdef_list dlist[MI_SIZE_64X64 * MI_SIZE_64X64];
- unsigned char *row_cdef, *prev_row_cdef, *curr_row_cdef;
- int cdef_count;
- int dir[CDEF_NBLOCKS][CDEF_NBLOCKS] = { { 0 } };
- int var[CDEF_NBLOCKS][CDEF_NBLOCKS] = { { 0 } };
- int mi_wide_l2[3];
- int mi_high_l2[3];
- int xdec[3];
- int ydec[3];
- int coeff_shift = AOMMAX(cm->seq_params.bit_depth - 8, 0);
- const int nvfb = (cm->mi_rows + MI_SIZE_64X64 - 1) / MI_SIZE_64X64;
- const int nhfb = (cm->mi_cols + MI_SIZE_64X64 - 1) / MI_SIZE_64X64;
- av1_setup_dst_planes(xd->plane, cm->seq_params.sb_size, frame, 0, 0, 0,
- num_planes);
- row_cdef = aom_malloc(sizeof(*row_cdef) * (nhfb + 2) * 2);
- memset(row_cdef, 1, sizeof(*row_cdef) * (nhfb + 2) * 2);
- prev_row_cdef = row_cdef + 1;
- curr_row_cdef = prev_row_cdef + nhfb + 2;
- for (int pli = 0; pli < num_planes; pli++) {
- xdec[pli] = xd->plane[pli].subsampling_x;
- ydec[pli] = xd->plane[pli].subsampling_y;
- mi_wide_l2[pli] = MI_SIZE_LOG2 - xd->plane[pli].subsampling_x;
- mi_high_l2[pli] = MI_SIZE_LOG2 - xd->plane[pli].subsampling_y;
- }
- const int stride = (cm->mi_cols << MI_SIZE_LOG2) + 2 * CDEF_HBORDER;
- for (int pli = 0; pli < num_planes; pli++) {
- linebuf[pli] = aom_malloc(sizeof(*linebuf) * CDEF_VBORDER * stride);
- colbuf[pli] =
- aom_malloc(sizeof(*colbuf) *
- ((CDEF_BLOCKSIZE << mi_high_l2[pli]) + 2 * CDEF_VBORDER) *
- CDEF_HBORDER);
- }
- for (int fbr = 0; fbr < nvfb; fbr++) {
- for (int pli = 0; pli < num_planes; pli++) {
- const int block_height =
- (MI_SIZE_64X64 << mi_high_l2[pli]) + 2 * CDEF_VBORDER;
- fill_rect(colbuf[pli], CDEF_HBORDER, block_height, CDEF_HBORDER,
- CDEF_VERY_LARGE);
- }
- int cdef_left = 1;
- for (int fbc = 0; fbc < nhfb; fbc++) {
- int level, sec_strength;
- int uv_level, uv_sec_strength;
- int nhb, nvb;
- int cstart = 0;
- curr_row_cdef[fbc] = 0;
- if (cm->mi_grid_visible[MI_SIZE_64X64 * fbr * cm->mi_stride +
- MI_SIZE_64X64 * fbc] == NULL ||
- cm->mi_grid_visible[MI_SIZE_64X64 * fbr * cm->mi_stride +
- MI_SIZE_64X64 * fbc]
- ->cdef_strength == -1) {
- cdef_left = 0;
- continue;
- }
- if (!cdef_left) cstart = -CDEF_HBORDER;
- nhb = AOMMIN(MI_SIZE_64X64, cm->mi_cols - MI_SIZE_64X64 * fbc);
- nvb = AOMMIN(MI_SIZE_64X64, cm->mi_rows - MI_SIZE_64X64 * fbr);
- int frame_top, frame_left, frame_bottom, frame_right;
-
- int mi_row = MI_SIZE_64X64 * fbr;
- int mi_col = MI_SIZE_64X64 * fbc;
- // for the current filter block, it's top left corner mi structure (mi_tl)
- // is first accessed to check whether the top and left boundaries are
- // frame boundaries. Then bottom-left and top-right mi structures are
- // accessed to check whether the bottom and right boundaries
- // (respectively) are frame boundaries.
- //
- // Note that we can't just check the bottom-right mi structure - eg. if
- // we're at the right-hand edge of the frame but not the bottom, then
- // the bottom-right mi is NULL but the bottom-left is not.
- frame_top = (mi_row == 0) ? 1 : 0;
- frame_left = (mi_col == 0) ? 1 : 0;
-
- if (fbr != nvfb - 1)
- frame_bottom = (mi_row + MI_SIZE_64X64 == cm->mi_rows) ? 1 : 0;
- else
- frame_bottom = 1;
-
- if (fbc != nhfb - 1)
- frame_right = (mi_col + MI_SIZE_64X64 == cm->mi_cols) ? 1 : 0;
- else
- frame_right = 1;
-
- const int mbmi_cdef_strength =
- cm->mi_grid_visible[MI_SIZE_64X64 * fbr * cm->mi_stride +
- MI_SIZE_64X64 * fbc]
- ->cdef_strength;
- level = cm->cdef_strengths[mbmi_cdef_strength] / CDEF_SEC_STRENGTHS;
- sec_strength =
- cm->cdef_strengths[mbmi_cdef_strength] % CDEF_SEC_STRENGTHS;
- sec_strength += sec_strength == 3;
- uv_level = cm->cdef_uv_strengths[mbmi_cdef_strength] / CDEF_SEC_STRENGTHS;
- uv_sec_strength =
- cm->cdef_uv_strengths[mbmi_cdef_strength] % CDEF_SEC_STRENGTHS;
- uv_sec_strength += uv_sec_strength == 3;
- if ((level == 0 && sec_strength == 0 && uv_level == 0 &&
- uv_sec_strength == 0) ||
- (cdef_count = sb_compute_cdef_list(cm, fbr * MI_SIZE_64X64,
- fbc * MI_SIZE_64X64, dlist,
- BLOCK_64X64)) == 0) {
- cdef_left = 0;
- continue;
- }
-
- curr_row_cdef[fbc] = 1;
- for (int pli = 0; pli < num_planes; pli++) {
- int coffset;
- int rend, cend;
- int pri_damping = cm->cdef_pri_damping;
- int sec_damping = cm->cdef_sec_damping;
- int hsize = nhb << mi_wide_l2[pli];
- int vsize = nvb << mi_high_l2[pli];
-
- if (pli) {
- level = uv_level;
- sec_strength = uv_sec_strength;
- }
-
- if (fbc == nhfb - 1)
- cend = hsize;
- else
- cend = hsize + CDEF_HBORDER;
-
- if (fbr == nvfb - 1)
- rend = vsize;
- else
- rend = vsize + CDEF_VBORDER;
-
- coffset = fbc * MI_SIZE_64X64 << mi_wide_l2[pli];
- if (fbc == nhfb - 1) {
- /* On the last superblock column, fill in the right border with
- CDEF_VERY_LARGE to avoid filtering with the outside. */
- fill_rect(&src[cend + CDEF_HBORDER], CDEF_BSTRIDE,
- rend + CDEF_VBORDER, hsize + CDEF_HBORDER - cend,
- CDEF_VERY_LARGE);
- }
- if (fbr == nvfb - 1) {
- /* On the last superblock row, fill in the bottom border with
- CDEF_VERY_LARGE to avoid filtering with the outside. */
- fill_rect(&src[(rend + CDEF_VBORDER) * CDEF_BSTRIDE], CDEF_BSTRIDE,
- CDEF_VBORDER, hsize + 2 * CDEF_HBORDER, CDEF_VERY_LARGE);
- }
- /* Copy in the pixels we need from the current superblock for
- deringing.*/
- copy_sb8_16(cm,
- &src[CDEF_VBORDER * CDEF_BSTRIDE + CDEF_HBORDER + cstart],
- CDEF_BSTRIDE, xd->plane[pli].dst.buf,
- (MI_SIZE_64X64 << mi_high_l2[pli]) * fbr, coffset + cstart,
- xd->plane[pli].dst.stride, rend, cend - cstart);
- if (!prev_row_cdef[fbc]) {
- copy_sb8_16(cm, &src[CDEF_HBORDER], CDEF_BSTRIDE,
- xd->plane[pli].dst.buf,
- (MI_SIZE_64X64 << mi_high_l2[pli]) * fbr - CDEF_VBORDER,
- coffset, xd->plane[pli].dst.stride, CDEF_VBORDER, hsize);
- } else if (fbr > 0) {
- copy_rect(&src[CDEF_HBORDER], CDEF_BSTRIDE, &linebuf[pli][coffset],
- stride, CDEF_VBORDER, hsize);
- } else {
- fill_rect(&src[CDEF_HBORDER], CDEF_BSTRIDE, CDEF_VBORDER, hsize,
- CDEF_VERY_LARGE);
- }
- if (!prev_row_cdef[fbc - 1]) {
- copy_sb8_16(cm, src, CDEF_BSTRIDE, xd->plane[pli].dst.buf,
- (MI_SIZE_64X64 << mi_high_l2[pli]) * fbr - CDEF_VBORDER,
- coffset - CDEF_HBORDER, xd->plane[pli].dst.stride,
- CDEF_VBORDER, CDEF_HBORDER);
- } else if (fbr > 0 && fbc > 0) {
- copy_rect(src, CDEF_BSTRIDE, &linebuf[pli][coffset - CDEF_HBORDER],
- stride, CDEF_VBORDER, CDEF_HBORDER);
- } else {
- fill_rect(src, CDEF_BSTRIDE, CDEF_VBORDER, CDEF_HBORDER,
- CDEF_VERY_LARGE);
- }
- if (!prev_row_cdef[fbc + 1]) {
- copy_sb8_16(cm, &src[CDEF_HBORDER + (nhb << mi_wide_l2[pli])],
- CDEF_BSTRIDE, xd->plane[pli].dst.buf,
- (MI_SIZE_64X64 << mi_high_l2[pli]) * fbr - CDEF_VBORDER,
- coffset + hsize, xd->plane[pli].dst.stride, CDEF_VBORDER,
- CDEF_HBORDER);
- } else if (fbr > 0 && fbc < nhfb - 1) {
- copy_rect(&src[hsize + CDEF_HBORDER], CDEF_BSTRIDE,
- &linebuf[pli][coffset + hsize], stride, CDEF_VBORDER,
- CDEF_HBORDER);
- } else {
- fill_rect(&src[hsize + CDEF_HBORDER], CDEF_BSTRIDE, CDEF_VBORDER,
- CDEF_HBORDER, CDEF_VERY_LARGE);
- }
- if (cdef_left) {
- /* If we deringed the superblock on the left then we need to copy in
- saved pixels. */
- copy_rect(src, CDEF_BSTRIDE, colbuf[pli], CDEF_HBORDER,
- rend + CDEF_VBORDER, CDEF_HBORDER);
- }
- /* Saving pixels in case we need to dering the superblock on the
- right. */
- copy_rect(colbuf[pli], CDEF_HBORDER, src + hsize, CDEF_BSTRIDE,
- rend + CDEF_VBORDER, CDEF_HBORDER);
- copy_sb8_16(
- cm, &linebuf[pli][coffset], stride, xd->plane[pli].dst.buf,
- (MI_SIZE_64X64 << mi_high_l2[pli]) * (fbr + 1) - CDEF_VBORDER,
- coffset, xd->plane[pli].dst.stride, CDEF_VBORDER, hsize);
-
- if (frame_top) {
- fill_rect(src, CDEF_BSTRIDE, CDEF_VBORDER, hsize + 2 * CDEF_HBORDER,
- CDEF_VERY_LARGE);
- }
- if (frame_left) {
- fill_rect(src, CDEF_BSTRIDE, vsize + 2 * CDEF_VBORDER, CDEF_HBORDER,
- CDEF_VERY_LARGE);
- }
- if (frame_bottom) {
- fill_rect(&src[(vsize + CDEF_VBORDER) * CDEF_BSTRIDE], CDEF_BSTRIDE,
- CDEF_VBORDER, hsize + 2 * CDEF_HBORDER, CDEF_VERY_LARGE);
- }
- if (frame_right) {
- fill_rect(&src[hsize + CDEF_HBORDER], CDEF_BSTRIDE,
- vsize + 2 * CDEF_VBORDER, CDEF_HBORDER, CDEF_VERY_LARGE);
- }
-
- if (cm->seq_params.use_highbitdepth) {
- cdef_filter_fb(
- NULL,
- &CONVERT_TO_SHORTPTR(
- xd->plane[pli]
- .dst.buf)[xd->plane[pli].dst.stride *
- (MI_SIZE_64X64 * fbr << mi_high_l2[pli]) +
- (fbc * MI_SIZE_64X64 << mi_wide_l2[pli])],
- xd->plane[pli].dst.stride,
- &src[CDEF_VBORDER * CDEF_BSTRIDE + CDEF_HBORDER], xdec[pli],
- ydec[pli], dir, NULL, var, pli, dlist, cdef_count, level,
- sec_strength, pri_damping, sec_damping, coeff_shift);
- } else {
- cdef_filter_fb(
- &xd->plane[pli]
- .dst.buf[xd->plane[pli].dst.stride *
- (MI_SIZE_64X64 * fbr << mi_high_l2[pli]) +
- (fbc * MI_SIZE_64X64 << mi_wide_l2[pli])],
- NULL, xd->plane[pli].dst.stride,
- &src[CDEF_VBORDER * CDEF_BSTRIDE + CDEF_HBORDER], xdec[pli],
- ydec[pli], dir, NULL, var, pli, dlist, cdef_count, level,
- sec_strength, pri_damping, sec_damping, coeff_shift);
- }
- }
- cdef_left = 1;
- }
- {
- unsigned char *tmp = prev_row_cdef;
- prev_row_cdef = curr_row_cdef;
- curr_row_cdef = tmp;
- }
- }
- aom_free(row_cdef);
- for (int pli = 0; pli < num_planes; pli++) {
- aom_free(linebuf[pli]);
- aom_free(colbuf[pli]);
- }
-}