/* * Copyright (c) 2018 Yingming Fan <yingmingfan@gmail.com> * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with FFmpeg; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include <string.h> #include "libavutil/intreadwrite.h" #include "libavutil/mem_internal.h" #include "libavcodec/avcodec.h" #include "libavcodec/hevcdsp.h" #include "checkasm.h" static const uint32_t pixel_mask[3] = { 0xffffffff, 0x03ff03ff, 0x0fff0fff }; static const uint32_t sao_size[5] = {8, 16, 32, 48, 64}; #define SIZEOF_PIXEL ((bit_depth + 7) / 8) #define PIXEL_STRIDE (2*MAX_PB_SIZE + AV_INPUT_BUFFER_PADDING_SIZE) //same with sao_edge src_stride #define BUF_SIZE (PIXEL_STRIDE * (64+2) * 2) //+2 for top and bottom row, *2 for high bit depth #define OFFSET_THRESH (1 << (bit_depth - 5)) #define OFFSET_LENGTH 5 #define randomize_buffers(buf0, buf1, size) \ do { \ uint32_t mask = pixel_mask[(bit_depth - 8) >> 1]; \ int k; \ for (k = 0; k < size; k += 4) { \ uint32_t r = rnd() & mask; \ AV_WN32A(buf0 + k, r); \ AV_WN32A(buf1 + k, r); \ } \ } while (0) #define randomize_buffers2(buf, size) \ do { \ uint32_t max_offset = OFFSET_THRESH; \ int k; \ if (bit_depth == 8) { \ for (k = 0; k < size; k++) { \ uint8_t r = rnd() % max_offset; \ buf[k] = r; \ } \ } else { \ for (k = 0; k < size; k++) { \ uint16_t r = rnd() % max_offset; \ buf[k] = r; \ } \ } \ } while (0) static void check_sao_band(HEVCDSPContext *h, int bit_depth) { int i; LOCAL_ALIGNED_32(uint8_t, dst0, [BUF_SIZE]); LOCAL_ALIGNED_32(uint8_t, dst1, [BUF_SIZE]); LOCAL_ALIGNED_32(uint8_t, src0, [BUF_SIZE]); LOCAL_ALIGNED_32(uint8_t, src1, [BUF_SIZE]); int16_t offset_val[OFFSET_LENGTH]; int left_class = rnd()%32; for (i = 0; i <= 4; i++) { int block_size = sao_size[i]; int prev_size = i > 0 ? sao_size[i - 1] : 0; ptrdiff_t stride = PIXEL_STRIDE*SIZEOF_PIXEL; declare_func(void, uint8_t *dst, uint8_t *src, ptrdiff_t dst_stride, ptrdiff_t src_stride, int16_t *sao_offset_val, int sao_left_class, int width, int height); if (check_func(h->sao_band_filter[i], "hevc_sao_band_%d_%d", block_size, bit_depth)) { for (int w = prev_size + 4; w <= block_size; w += 4) { randomize_buffers(src0, src1, BUF_SIZE); randomize_buffers2(offset_val, OFFSET_LENGTH); memset(dst0, 0, BUF_SIZE); memset(dst1, 0, BUF_SIZE); call_ref(dst0, src0, stride, stride, offset_val, left_class, w, block_size); call_new(dst1, src1, stride, stride, offset_val, left_class, w, block_size); for (int j = 0; j < block_size; j++) { if (memcmp(dst0 + j*stride, dst1 + j*stride, w*SIZEOF_PIXEL)) fail(); } } bench_new(dst1, src1, stride, stride, offset_val, left_class, block_size, block_size); } } } static void check_sao_edge(HEVCDSPContext *h, int bit_depth) { int i; LOCAL_ALIGNED_32(uint8_t, dst0, [BUF_SIZE]); LOCAL_ALIGNED_32(uint8_t, dst1, [BUF_SIZE]); LOCAL_ALIGNED_32(uint8_t, src0, [BUF_SIZE]); LOCAL_ALIGNED_32(uint8_t, src1, [BUF_SIZE]); int16_t offset_val[OFFSET_LENGTH]; int eo = rnd()%4; for (i = 0; i <= 4; i++) { int block_size = sao_size[i]; int prev_size = i > 0 ? sao_size[i - 1] : 0; ptrdiff_t stride = PIXEL_STRIDE*SIZEOF_PIXEL; int offset = (AV_INPUT_BUFFER_PADDING_SIZE + PIXEL_STRIDE)*SIZEOF_PIXEL; declare_func(void, uint8_t *dst, uint8_t *src, ptrdiff_t stride_dst, int16_t *sao_offset_val, int eo, int width, int height); for (int w = prev_size + 4; w <= block_size; w += 4) { randomize_buffers(src0, src1, BUF_SIZE); randomize_buffers2(offset_val, OFFSET_LENGTH); memset(dst0, 0, BUF_SIZE); memset(dst1, 0, BUF_SIZE); if (check_func(h->sao_edge_filter[i], "hevc_sao_edge_%d_%d", block_size, bit_depth)) { call_ref(dst0, src0 + offset, stride, offset_val, eo, w, block_size); call_new(dst1, src1 + offset, stride, offset_val, eo, w, block_size); for (int j = 0; j < block_size; j++) { if (memcmp(dst0 + j*stride, dst1 + j*stride, w*SIZEOF_PIXEL)) fail(); } bench_new(dst1, src1 + offset, stride, offset_val, eo, block_size, block_size); } } } } void checkasm_check_hevc_sao(void) { int bit_depth; for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) { HEVCDSPContext h; ff_hevc_dsp_init(&h, bit_depth); check_sao_band(&h, bit_depth); } report("sao_band"); for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) { HEVCDSPContext h; ff_hevc_dsp_init(&h, bit_depth); check_sao_edge(&h, bit_depth); } report("sao_edge"); }