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https://github.com/FFmpeg/FFmpeg.git
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442e94e5e4
From Benjamin Bross: > for ALF where functions are in increments of 4 while 8 should be sufficient according to the spec. Signed-off-by: Wu Jianhua <toqsxw@outlook.com>
186 lines
8.3 KiB
C
186 lines
8.3 KiB
C
/*
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* Copyright (c) 2023-2024 Nuo Mi <nuomi2021@gmail.com>
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* Copyright (c) 2023-2024 Wu Jianhua <toqsxw@outlook.com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <string.h>
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#include "checkasm.h"
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#include "libavcodec/vvc/ctu.h"
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#include "libavcodec/vvc/data.h"
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#include "libavcodec/vvc/dsp.h"
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#include "libavutil/common.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/mem_internal.h"
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static const uint32_t pixel_mask[3] = { 0xffffffff, 0x03ff03ff, 0x0fff0fff };
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#define SIZEOF_PIXEL ((bit_depth + 7) / 8)
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#define SRC_PIXEL_STRIDE (MAX_CTU_SIZE + 2 * ALF_PADDING_SIZE)
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#define DST_PIXEL_STRIDE (SRC_PIXEL_STRIDE + 4)
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#define SRC_BUF_SIZE (SRC_PIXEL_STRIDE * (MAX_CTU_SIZE + 3 * 2) * 2) //+3 * 2 for top and bottom row, *2 for high bit depth
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#define DST_BUF_SIZE (DST_PIXEL_STRIDE * (MAX_CTU_SIZE + 3 * 2) * 2)
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#define LUMA_PARAMS_SIZE (MAX_CTU_SIZE * MAX_CTU_SIZE / ALF_BLOCK_SIZE / ALF_BLOCK_SIZE * ALF_NUM_COEFF_LUMA)
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#define randomize_buffers(buf0, buf1, size) \
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do { \
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uint32_t mask = pixel_mask[(bit_depth - 8) >> 1]; \
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int k; \
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for (k = 0; k < size; k += 4) { \
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uint32_t r = rnd() & mask; \
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AV_WN32A(buf0 + k, r); \
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AV_WN32A(buf1 + k, r); \
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} \
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} while (0)
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#define randomize_buffers2(buf, size, filter) \
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do { \
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int k; \
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if (filter) { \
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for (k = 0; k < size; k++) { \
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int8_t r = rnd(); \
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buf[k] = r; \
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} \
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} else { \
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for (k = 0; k < size; k++) { \
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int r = rnd() % FF_ARRAY_ELEMS(clip_set); \
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buf[k] = clip_set[r]; \
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} \
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} \
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} while (0)
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static void check_alf_filter(VVCDSPContext *c, const int bit_depth)
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{
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LOCAL_ALIGNED_32(uint8_t, dst0, [DST_BUF_SIZE]);
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LOCAL_ALIGNED_32(uint8_t, dst1, [DST_BUF_SIZE]);
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LOCAL_ALIGNED_32(uint8_t, src0, [SRC_BUF_SIZE]);
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LOCAL_ALIGNED_32(uint8_t, src1, [SRC_BUF_SIZE]);
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int16_t filter[LUMA_PARAMS_SIZE];
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int16_t clip[LUMA_PARAMS_SIZE];
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const int16_t clip_set[] = {
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1 << bit_depth, 1 << (bit_depth - 3), 1 << (bit_depth - 5), 1 << (bit_depth - 7)
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};
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ptrdiff_t src_stride = SRC_PIXEL_STRIDE * SIZEOF_PIXEL;
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ptrdiff_t dst_stride = DST_PIXEL_STRIDE * SIZEOF_PIXEL;
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int offset = (3 * SRC_PIXEL_STRIDE + 3) * SIZEOF_PIXEL;
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declare_func(void, uint8_t *dst, ptrdiff_t dst_stride, const uint8_t *src, ptrdiff_t src_stride,
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int width, int height, const int16_t *filter, const int16_t *clip, const int vb_pos);
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randomize_buffers(src0, src1, SRC_BUF_SIZE);
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randomize_buffers2(filter, LUMA_PARAMS_SIZE, 1);
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randomize_buffers2(clip, LUMA_PARAMS_SIZE, 0);
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for (int h = 4; h <= MAX_CTU_SIZE; h += 8) {
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for (int w = 4; w <= MAX_CTU_SIZE; w += 8) {
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const int ctu_size = MAX_CTU_SIZE;
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if (check_func(c->alf.filter[LUMA], "vvc_alf_filter_luma_%dx%d_%d", w, h, bit_depth)) {
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const int vb_pos = ctu_size - ALF_VB_POS_ABOVE_LUMA;
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memset(dst0, 0, DST_BUF_SIZE);
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memset(dst1, 0, DST_BUF_SIZE);
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call_ref(dst0, dst_stride, src0 + offset, src_stride, w, h, filter, clip, vb_pos);
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call_new(dst1, dst_stride, src1 + offset, src_stride, w, h, filter, clip, vb_pos);
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for (int i = 0; i < h; i++) {
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if (memcmp(dst0 + i * dst_stride, dst1 + i * dst_stride, w * SIZEOF_PIXEL))
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fail();
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}
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// Bench only square sizes, and ones with dimensions being a power of two.
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if (w == h && (w & (w - 1)) == 0)
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bench_new(dst1, dst_stride, src1 + offset, src_stride, w, h, filter, clip, vb_pos);
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}
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if (check_func(c->alf.filter[CHROMA], "vvc_alf_filter_chroma_%dx%d_%d", w, h, bit_depth)) {
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const int vb_pos = ctu_size - ALF_VB_POS_ABOVE_CHROMA;
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memset(dst0, 0, DST_BUF_SIZE);
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memset(dst1, 0, DST_BUF_SIZE);
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call_ref(dst0, dst_stride, src0 + offset, src_stride, w, h, filter, clip, vb_pos);
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call_new(dst1, dst_stride, src1 + offset, src_stride, w, h, filter, clip, vb_pos);
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for (int i = 0; i < h; i++) {
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if (memcmp(dst0 + i * dst_stride, dst1 + i * dst_stride, w * SIZEOF_PIXEL))
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fail();
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}
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if (w == h && (w & (w - 1)) == 0)
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bench_new(dst1, dst_stride, src1 + offset, src_stride, w, h, filter, clip, vb_pos);
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}
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}
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}
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}
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static void check_alf_classify(VVCDSPContext *c, const int bit_depth)
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{
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LOCAL_ALIGNED_32(int, class_idx0, [SRC_BUF_SIZE]);
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LOCAL_ALIGNED_32(int, transpose_idx0, [SRC_BUF_SIZE]);
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LOCAL_ALIGNED_32(int, class_idx1, [SRC_BUF_SIZE]);
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LOCAL_ALIGNED_32(int, transpose_idx1, [SRC_BUF_SIZE]);
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LOCAL_ALIGNED_32(uint8_t, src0, [SRC_BUF_SIZE]);
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LOCAL_ALIGNED_32(uint8_t, src1, [SRC_BUF_SIZE]);
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LOCAL_ALIGNED_32(int32_t, alf_gradient_tmp, [ALF_GRADIENT_SIZE * ALF_GRADIENT_SIZE * ALF_NUM_DIR]);
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ptrdiff_t stride = SRC_PIXEL_STRIDE * SIZEOF_PIXEL;
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int offset = (3 * SRC_PIXEL_STRIDE + 3) * SIZEOF_PIXEL;
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declare_func(void, int *class_idx, int *transpose_idx,
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const uint8_t *src, ptrdiff_t src_stride, int width, int height, int vb_pos, int *gradient_tmp);
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randomize_buffers(src0, src1, SRC_BUF_SIZE);
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for (int h = 4; h <= MAX_CTU_SIZE; h += 8) {
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for (int w = 4; w <= MAX_CTU_SIZE; w += 8) {
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const int id_size = w * h / ALF_BLOCK_SIZE / ALF_BLOCK_SIZE * sizeof(int);
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const int vb_pos = MAX_CTU_SIZE - ALF_BLOCK_SIZE;
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if (check_func(c->alf.classify, "vvc_alf_classify_%dx%d_%d", w, h, bit_depth)) {
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memset(class_idx0, 0, id_size);
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memset(class_idx1, 0, id_size);
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memset(transpose_idx0, 0, id_size);
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memset(transpose_idx1, 0, id_size);
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call_ref(class_idx0, transpose_idx0, src0 + offset, stride, w, h, vb_pos, alf_gradient_tmp);
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call_new(class_idx1, transpose_idx1, src1 + offset, stride, w, h, vb_pos, alf_gradient_tmp);
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if (memcmp(class_idx0, class_idx1, id_size))
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fail();
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if (memcmp(transpose_idx0, transpose_idx1, id_size))
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fail();
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// Bench only square sizes, and ones with dimensions being a power of two.
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if (w == h && (w & (w - 1)) == 0)
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bench_new(class_idx1, transpose_idx1, src1 + offset, stride, w, h, vb_pos, alf_gradient_tmp);
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}
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}
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}
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}
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void checkasm_check_vvc_alf(void)
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{
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int bit_depth;
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VVCDSPContext h;
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for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) {
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ff_vvc_dsp_init(&h, bit_depth);
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check_alf_filter(&h, bit_depth);
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}
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report("alf_filter");
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for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) {
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ff_vvc_dsp_init(&h, bit_depth);
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check_alf_classify(&h, bit_depth);
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}
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report("alf_classify");
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}
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