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Import aom library
This is the reference implementation for the Alliance for Open Media's av1 video code. The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.
This commit is contained in:
trav90
Roy Tam
parent
eb8cd130a8
commit
edc8d83307
989 changed files with 470949 additions and 0 deletions
445
third_party/aom/av1/common/cdef.c
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third_party/aom/av1/common/cdef.c
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/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#include <assert.h>
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#include <math.h>
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#include <string.h>
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#include "./aom_scale_rtcd.h"
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#include "aom/aom_integer.h"
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#include "av1/common/cdef.h"
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#include "av1/common/od_dering.h"
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#include "av1/common/onyxc_int.h"
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#include "av1/common/reconinter.h"
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int sb_all_skip(const AV1_COMMON *const cm, int mi_row, int mi_col) {
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int r, c;
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int maxc, maxr;
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int skip = 1;
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maxc = cm->mi_cols - mi_col;
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maxr = cm->mi_rows - mi_row;
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#if CONFIG_EXT_PARTITION
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if (maxr > cm->mib_size_log2) maxr = cm->mib_size_log2;
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if (maxc > cm->mib_size_log2) maxc = cm->mib_size_log2;
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#else
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if (maxr > MAX_MIB_SIZE) maxr = MAX_MIB_SIZE;
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if (maxc > MAX_MIB_SIZE) maxc = MAX_MIB_SIZE;
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#endif
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for (r = 0; r < maxr; r++) {
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for (c = 0; c < maxc; c++) {
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skip = skip &&
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cm->mi_grid_visible[(mi_row + r) * cm->mi_stride + mi_col + c]
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->mbmi.skip;
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}
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}
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return skip;
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}
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static int is_8x8_block_skip(MODE_INFO **grid, int mi_row, int mi_col,
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int mi_stride) {
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int is_skip = 1;
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for (int r = 0; r < mi_size_high[BLOCK_8X8]; ++r)
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for (int c = 0; c < mi_size_wide[BLOCK_8X8]; ++c)
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is_skip &= grid[(mi_row + r) * mi_stride + (mi_col + c)]->mbmi.skip;
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return is_skip;
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}
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int sb_compute_dering_list(const AV1_COMMON *const cm, int mi_row, int mi_col,
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dering_list *dlist, int filter_skip) {
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int r, c;
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int maxc, maxr;
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MODE_INFO **grid;
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int count = 0;
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grid = cm->mi_grid_visible;
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maxc = cm->mi_cols - mi_col;
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maxr = cm->mi_rows - mi_row;
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#if CONFIG_EXT_PARTITION
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if (maxr > cm->mib_size_log2) maxr = cm->mib_size_log2;
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if (maxc > cm->mib_size_log2) maxc = cm->mib_size_log2;
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#else
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if (maxr > MAX_MIB_SIZE) maxr = MAX_MIB_SIZE;
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if (maxc > MAX_MIB_SIZE) maxc = MAX_MIB_SIZE;
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#endif
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const int r_step = mi_size_high[BLOCK_8X8];
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const int c_step = mi_size_wide[BLOCK_8X8];
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const int r_shift = (r_step == 2);
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const int c_shift = (c_step == 2);
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assert(r_step == 1 || r_step == 2);
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assert(c_step == 1 || c_step == 2);
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if (filter_skip) {
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for (r = 0; r < maxr; r += r_step) {
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for (c = 0; c < maxc; c += c_step) {
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dlist[count].by = r >> r_shift;
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dlist[count].bx = c >> c_shift;
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dlist[count].skip =
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is_8x8_block_skip(grid, mi_row + r, mi_col + c, cm->mi_stride);
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count++;
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}
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}
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} else {
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for (r = 0; r < maxr; r += r_step) {
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for (c = 0; c < maxc; c += c_step) {
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if (!is_8x8_block_skip(grid, mi_row + r, mi_col + c, cm->mi_stride)) {
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dlist[count].by = r >> r_shift;
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dlist[count].bx = c >> c_shift;
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dlist[count].skip = 0;
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count++;
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}
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}
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}
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}
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return count;
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}
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void copy_rect8_8bit_to_16bit_c(uint16_t *dst, int dstride, const uint8_t *src,
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int sstride, int v, int h) {
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int i, j;
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for (i = 0; i < v; i++) {
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for (j = 0; j < h; j++) {
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dst[i * dstride + j] = src[i * sstride + j];
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}
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}
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}
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void copy_rect8_16bit_to_16bit_c(uint16_t *dst, int dstride,
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const uint16_t *src, int sstride, int v,
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int h) {
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int i, j;
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for (i = 0; i < v; i++) {
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for (j = 0; j < h; j++) {
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dst[i * dstride + j] = src[i * sstride + j];
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}
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}
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}
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void copy_sb8_16(UNUSED AV1_COMMON *cm, uint16_t *dst, int dstride,
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const uint8_t *src, int src_voffset, int src_hoffset,
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int sstride, int vsize, int hsize) {
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#if CONFIG_HIGHBITDEPTH
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if (cm->use_highbitdepth) {
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const uint16_t *base =
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&CONVERT_TO_SHORTPTR(src)[src_voffset * sstride + src_hoffset];
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copy_rect8_16bit_to_16bit(dst, dstride, base, sstride, vsize, hsize);
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} else {
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#endif
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const uint8_t *base = &src[src_voffset * sstride + src_hoffset];
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copy_rect8_8bit_to_16bit(dst, dstride, base, sstride, vsize, hsize);
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#if CONFIG_HIGHBITDEPTH
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}
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#endif
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}
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static INLINE void fill_rect(uint16_t *dst, int dstride, int v, int h,
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uint16_t x) {
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int i, j;
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for (i = 0; i < v; i++) {
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for (j = 0; j < h; j++) {
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dst[i * dstride + j] = x;
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}
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}
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}
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static INLINE void copy_rect(uint16_t *dst, int dstride, const uint16_t *src,
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int sstride, int v, int h) {
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int i, j;
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for (i = 0; i < v; i++) {
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for (j = 0; j < h; j++) {
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dst[i * dstride + j] = src[i * sstride + j];
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}
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}
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}
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void av1_cdef_frame(YV12_BUFFER_CONFIG *frame, AV1_COMMON *cm,
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MACROBLOCKD *xd) {
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int sbr, sbc;
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int nhsb, nvsb;
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uint16_t src[OD_DERING_INBUF_SIZE];
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uint16_t *linebuf[3];
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uint16_t *colbuf[3];
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dering_list dlist[MAX_MIB_SIZE * MAX_MIB_SIZE];
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unsigned char *row_dering, *prev_row_dering, *curr_row_dering;
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int dering_count;
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int dir[OD_DERING_NBLOCKS][OD_DERING_NBLOCKS] = { { 0 } };
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int var[OD_DERING_NBLOCKS][OD_DERING_NBLOCKS] = { { 0 } };
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int stride;
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int mi_wide_l2[3];
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int mi_high_l2[3];
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int xdec[3];
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int ydec[3];
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int pli;
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int dering_left;
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int coeff_shift = AOMMAX(cm->bit_depth - 8, 0);
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int nplanes = 3;
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int chroma_dering =
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xd->plane[1].subsampling_x == xd->plane[1].subsampling_y &&
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xd->plane[2].subsampling_x == xd->plane[2].subsampling_y;
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nvsb = (cm->mi_rows + MAX_MIB_SIZE - 1) / MAX_MIB_SIZE;
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nhsb = (cm->mi_cols + MAX_MIB_SIZE - 1) / MAX_MIB_SIZE;
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av1_setup_dst_planes(xd->plane, cm->sb_size, frame, 0, 0);
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row_dering = aom_malloc(sizeof(*row_dering) * (nhsb + 2) * 2);
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memset(row_dering, 1, sizeof(*row_dering) * (nhsb + 2) * 2);
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prev_row_dering = row_dering + 1;
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curr_row_dering = prev_row_dering + nhsb + 2;
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for (pli = 0; pli < nplanes; pli++) {
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xdec[pli] = xd->plane[pli].subsampling_x;
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ydec[pli] = xd->plane[pli].subsampling_y;
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mi_wide_l2[pli] = MI_SIZE_LOG2 - xd->plane[pli].subsampling_x;
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mi_high_l2[pli] = MI_SIZE_LOG2 - xd->plane[pli].subsampling_y;
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}
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stride = (cm->mi_cols << MI_SIZE_LOG2) + 2 * OD_FILT_HBORDER;
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for (pli = 0; pli < nplanes; pli++) {
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linebuf[pli] = aom_malloc(sizeof(*linebuf) * OD_FILT_VBORDER * stride);
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colbuf[pli] =
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aom_malloc(sizeof(*colbuf) *
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((MAX_SB_SIZE << mi_high_l2[pli]) + 2 * OD_FILT_VBORDER) *
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OD_FILT_HBORDER);
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}
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for (sbr = 0; sbr < nvsb; sbr++) {
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for (pli = 0; pli < nplanes; pli++) {
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const int block_height =
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(MAX_MIB_SIZE << mi_high_l2[pli]) + 2 * OD_FILT_VBORDER;
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fill_rect(colbuf[pli], OD_FILT_HBORDER, block_height, OD_FILT_HBORDER,
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OD_DERING_VERY_LARGE);
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}
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dering_left = 1;
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for (sbc = 0; sbc < nhsb; sbc++) {
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int level, clpf_strength;
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int uv_level, uv_clpf_strength;
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int nhb, nvb;
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int cstart = 0;
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curr_row_dering[sbc] = 0;
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if (cm->mi_grid_visible[MAX_MIB_SIZE * sbr * cm->mi_stride +
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MAX_MIB_SIZE * sbc] == NULL ||
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cm->mi_grid_visible[MAX_MIB_SIZE * sbr * cm->mi_stride +
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MAX_MIB_SIZE * sbc]
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->mbmi.cdef_strength == -1) {
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dering_left = 0;
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continue;
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}
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if (!dering_left) cstart = -OD_FILT_HBORDER;
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nhb = AOMMIN(MAX_MIB_SIZE, cm->mi_cols - MAX_MIB_SIZE * sbc);
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nvb = AOMMIN(MAX_MIB_SIZE, cm->mi_rows - MAX_MIB_SIZE * sbr);
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int tile_top, tile_left, tile_bottom, tile_right;
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int mi_idx = MAX_MIB_SIZE * sbr * cm->mi_stride + MAX_MIB_SIZE * sbc;
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BOUNDARY_TYPE boundary_tl =
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cm->mi_grid_visible[MAX_MIB_SIZE * sbr * cm->mi_stride +
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MAX_MIB_SIZE * sbc]
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->mbmi.boundary_info;
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tile_top = boundary_tl & TILE_ABOVE_BOUNDARY;
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tile_left = boundary_tl & TILE_LEFT_BOUNDARY;
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/* Right and bottom information appear unreliable, so we use the top
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and left flags for the next superblocks. */
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if (sbr != nvsb - 1 &&
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cm->mi_grid_visible[mi_idx + MAX_MIB_SIZE * cm->mi_stride])
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tile_bottom = cm->mi_grid_visible[mi_idx + MAX_MIB_SIZE * cm->mi_stride]
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->mbmi.boundary_info &
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TILE_ABOVE_BOUNDARY;
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else
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tile_bottom = 1;
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if (sbc != nhsb - 1 && cm->mi_grid_visible[mi_idx + MAX_MIB_SIZE])
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tile_right =
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cm->mi_grid_visible[mi_idx + MAX_MIB_SIZE]->mbmi.boundary_info &
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TILE_LEFT_BOUNDARY;
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else
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tile_right = 1;
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const int mbmi_cdef_strength =
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cm->mi_grid_visible[MAX_MIB_SIZE * sbr * cm->mi_stride +
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MAX_MIB_SIZE * sbc]
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->mbmi.cdef_strength;
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level = cm->cdef_strengths[mbmi_cdef_strength] / CLPF_STRENGTHS;
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clpf_strength = cm->cdef_strengths[mbmi_cdef_strength] % CLPF_STRENGTHS;
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clpf_strength += clpf_strength == 3;
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uv_level = cm->cdef_uv_strengths[mbmi_cdef_strength] / CLPF_STRENGTHS;
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uv_clpf_strength =
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cm->cdef_uv_strengths[mbmi_cdef_strength] % CLPF_STRENGTHS;
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uv_clpf_strength += uv_clpf_strength == 3;
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if ((level == 0 && clpf_strength == 0 && uv_level == 0 &&
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uv_clpf_strength == 0) ||
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(dering_count = sb_compute_dering_list(
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cm, sbr * MAX_MIB_SIZE, sbc * MAX_MIB_SIZE, dlist,
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get_filter_skip(level) || get_filter_skip(uv_level))) == 0) {
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dering_left = 0;
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continue;
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}
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curr_row_dering[sbc] = 1;
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for (pli = 0; pli < nplanes; pli++) {
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uint16_t dst[MAX_SB_SIZE * MAX_SB_SIZE];
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int coffset;
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int rend, cend;
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int clpf_damping = cm->cdef_clpf_damping;
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int dering_damping = cm->cdef_dering_damping;
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int hsize = nhb << mi_wide_l2[pli];
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int vsize = nvb << mi_high_l2[pli];
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if (pli) {
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if (chroma_dering)
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level = uv_level;
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else
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level = 0;
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clpf_strength = uv_clpf_strength;
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}
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if (sbc == nhsb - 1)
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cend = hsize;
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else
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cend = hsize + OD_FILT_HBORDER;
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if (sbr == nvsb - 1)
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rend = vsize;
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else
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rend = vsize + OD_FILT_VBORDER;
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coffset = sbc * MAX_MIB_SIZE << mi_wide_l2[pli];
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if (sbc == nhsb - 1) {
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/* On the last superblock column, fill in the right border with
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OD_DERING_VERY_LARGE to avoid filtering with the outside. */
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fill_rect(&src[cend + OD_FILT_HBORDER], OD_FILT_BSTRIDE,
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rend + OD_FILT_VBORDER, hsize + OD_FILT_HBORDER - cend,
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OD_DERING_VERY_LARGE);
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}
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if (sbr == nvsb - 1) {
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/* On the last superblock row, fill in the bottom border with
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OD_DERING_VERY_LARGE to avoid filtering with the outside. */
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fill_rect(&src[(rend + OD_FILT_VBORDER) * OD_FILT_BSTRIDE],
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OD_FILT_BSTRIDE, OD_FILT_VBORDER,
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hsize + 2 * OD_FILT_HBORDER, OD_DERING_VERY_LARGE);
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}
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/* Copy in the pixels we need from the current superblock for
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deringing.*/
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copy_sb8_16(
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cm,
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&src[OD_FILT_VBORDER * OD_FILT_BSTRIDE + OD_FILT_HBORDER + cstart],
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OD_FILT_BSTRIDE, xd->plane[pli].dst.buf,
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(MAX_MIB_SIZE << mi_high_l2[pli]) * sbr, coffset + cstart,
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xd->plane[pli].dst.stride, rend, cend - cstart);
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if (!prev_row_dering[sbc]) {
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copy_sb8_16(cm, &src[OD_FILT_HBORDER], OD_FILT_BSTRIDE,
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xd->plane[pli].dst.buf,
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(MAX_MIB_SIZE << mi_high_l2[pli]) * sbr - OD_FILT_VBORDER,
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coffset, xd->plane[pli].dst.stride, OD_FILT_VBORDER,
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hsize);
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} else if (sbr > 0) {
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copy_rect(&src[OD_FILT_HBORDER], OD_FILT_BSTRIDE,
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&linebuf[pli][coffset], stride, OD_FILT_VBORDER, hsize);
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} else {
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fill_rect(&src[OD_FILT_HBORDER], OD_FILT_BSTRIDE, OD_FILT_VBORDER,
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hsize, OD_DERING_VERY_LARGE);
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}
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if (!prev_row_dering[sbc - 1]) {
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copy_sb8_16(cm, src, OD_FILT_BSTRIDE, xd->plane[pli].dst.buf,
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(MAX_MIB_SIZE << mi_high_l2[pli]) * sbr - OD_FILT_VBORDER,
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coffset - OD_FILT_HBORDER, xd->plane[pli].dst.stride,
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OD_FILT_VBORDER, OD_FILT_HBORDER);
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} else if (sbr > 0 && sbc > 0) {
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copy_rect(src, OD_FILT_BSTRIDE,
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&linebuf[pli][coffset - OD_FILT_HBORDER], stride,
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OD_FILT_VBORDER, OD_FILT_HBORDER);
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} else {
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fill_rect(src, OD_FILT_BSTRIDE, OD_FILT_VBORDER, OD_FILT_HBORDER,
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OD_DERING_VERY_LARGE);
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}
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if (!prev_row_dering[sbc + 1]) {
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copy_sb8_16(cm, &src[OD_FILT_HBORDER + (nhb << mi_wide_l2[pli])],
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OD_FILT_BSTRIDE, xd->plane[pli].dst.buf,
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(MAX_MIB_SIZE << mi_high_l2[pli]) * sbr - OD_FILT_VBORDER,
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coffset + hsize, xd->plane[pli].dst.stride,
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OD_FILT_VBORDER, OD_FILT_HBORDER);
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} else if (sbr > 0 && sbc < nhsb - 1) {
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copy_rect(&src[hsize + OD_FILT_HBORDER], OD_FILT_BSTRIDE,
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&linebuf[pli][coffset + hsize], stride, OD_FILT_VBORDER,
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OD_FILT_HBORDER);
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||||
} else {
|
||||
fill_rect(&src[hsize + OD_FILT_HBORDER], OD_FILT_BSTRIDE,
|
||||
OD_FILT_VBORDER, OD_FILT_HBORDER, OD_DERING_VERY_LARGE);
|
||||
}
|
||||
if (dering_left) {
|
||||
/* If we deringed the superblock on the left then we need to copy in
|
||||
saved pixels. */
|
||||
copy_rect(src, OD_FILT_BSTRIDE, colbuf[pli], OD_FILT_HBORDER,
|
||||
rend + OD_FILT_VBORDER, OD_FILT_HBORDER);
|
||||
}
|
||||
/* Saving pixels in case we need to dering the superblock on the
|
||||
right. */
|
||||
copy_rect(colbuf[pli], OD_FILT_HBORDER, src + hsize, OD_FILT_BSTRIDE,
|
||||
rend + OD_FILT_VBORDER, OD_FILT_HBORDER);
|
||||
copy_sb8_16(
|
||||
cm, &linebuf[pli][coffset], stride, xd->plane[pli].dst.buf,
|
||||
(MAX_MIB_SIZE << mi_high_l2[pli]) * (sbr + 1) - OD_FILT_VBORDER,
|
||||
coffset, xd->plane[pli].dst.stride, OD_FILT_VBORDER, hsize);
|
||||
|
||||
if (tile_top) {
|
||||
fill_rect(src, OD_FILT_BSTRIDE, OD_FILT_VBORDER,
|
||||
hsize + 2 * OD_FILT_HBORDER, OD_DERING_VERY_LARGE);
|
||||
}
|
||||
if (tile_left) {
|
||||
fill_rect(src, OD_FILT_BSTRIDE, vsize + 2 * OD_FILT_VBORDER,
|
||||
OD_FILT_HBORDER, OD_DERING_VERY_LARGE);
|
||||
}
|
||||
if (tile_bottom) {
|
||||
fill_rect(&src[(vsize + OD_FILT_VBORDER) * OD_FILT_BSTRIDE],
|
||||
OD_FILT_BSTRIDE, OD_FILT_VBORDER,
|
||||
hsize + 2 * OD_FILT_HBORDER, OD_DERING_VERY_LARGE);
|
||||
}
|
||||
if (tile_right) {
|
||||
fill_rect(&src[hsize + OD_FILT_HBORDER], OD_FILT_BSTRIDE,
|
||||
vsize + 2 * OD_FILT_VBORDER, OD_FILT_HBORDER,
|
||||
OD_DERING_VERY_LARGE);
|
||||
}
|
||||
#if CONFIG_HIGHBITDEPTH
|
||||
if (cm->use_highbitdepth) {
|
||||
od_dering(
|
||||
(uint8_t *)&CONVERT_TO_SHORTPTR(
|
||||
xd->plane[pli]
|
||||
.dst.buf)[xd->plane[pli].dst.stride *
|
||||
(MAX_MIB_SIZE * sbr << mi_high_l2[pli]) +
|
||||
(sbc * MAX_MIB_SIZE << mi_wide_l2[pli])],
|
||||
xd->plane[pli].dst.stride, dst,
|
||||
&src[OD_FILT_VBORDER * OD_FILT_BSTRIDE + OD_FILT_HBORDER],
|
||||
xdec[pli], ydec[pli], dir, NULL, var, pli, dlist, dering_count,
|
||||
level, clpf_strength, clpf_damping, dering_damping, coeff_shift,
|
||||
0, 1);
|
||||
} else {
|
||||
#endif
|
||||
od_dering(&xd->plane[pli]
|
||||
.dst.buf[xd->plane[pli].dst.stride *
|
||||
(MAX_MIB_SIZE * sbr << mi_high_l2[pli]) +
|
||||
(sbc * MAX_MIB_SIZE << mi_wide_l2[pli])],
|
||||
xd->plane[pli].dst.stride, dst,
|
||||
&src[OD_FILT_VBORDER * OD_FILT_BSTRIDE + OD_FILT_HBORDER],
|
||||
xdec[pli], ydec[pli], dir, NULL, var, pli, dlist,
|
||||
dering_count, level, clpf_strength, clpf_damping,
|
||||
dering_damping, coeff_shift, 0, 0);
|
||||
|
||||
#if CONFIG_HIGHBITDEPTH
|
||||
}
|
||||
#endif
|
||||
}
|
||||
dering_left = 1;
|
||||
}
|
||||
{
|
||||
unsigned char *tmp;
|
||||
tmp = prev_row_dering;
|
||||
prev_row_dering = curr_row_dering;
|
||||
curr_row_dering = tmp;
|
||||
}
|
||||
}
|
||||
aom_free(row_dering);
|
||||
for (pli = 0; pli < nplanes; pli++) {
|
||||
aom_free(linebuf[pli]);
|
||||
aom_free(colbuf[pli]);
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue