| /* |
| * 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 "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]; |
| ptrdiff_t stride = PIXEL_STRIDE*SIZEOF_PIXEL; |
| declare_func_emms(AV_CPU_FLAG_MMX, 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); |
| |
| 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_band_filter[i], "hevc_sao_band_%dx%d_%d", block_size, block_size, bit_depth)) { |
| call_ref(dst0, src0, stride, stride, offset_val, left_class, block_size, block_size); |
| call_new(dst1, src1, stride, stride, offset_val, left_class, block_size, block_size); |
| if (memcmp(dst0, dst1, BUF_SIZE)) |
| 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]; |
| ptrdiff_t stride = PIXEL_STRIDE*SIZEOF_PIXEL; |
| int offset = (AV_INPUT_BUFFER_PADDING_SIZE + PIXEL_STRIDE)*SIZEOF_PIXEL; |
| declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, uint8_t *src, ptrdiff_t stride_dst, |
| int16_t *sao_offset_val, int eo, int width, int height); |
| |
| 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_%dx%d_%d", block_size, block_size, bit_depth)) { |
| call_ref(dst0, src0 + offset, stride, offset_val, eo, block_size, block_size); |
| call_new(dst1, src1 + offset, stride, offset_val, eo, block_size, block_size); |
| if (memcmp(dst0, dst1, BUF_SIZE)) |
| 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"); |
| } |