151 lines
5.9 KiB
C
151 lines
5.9 KiB
C
/*
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* Copyright (c) 2018 Yingming Fan <yingmingfan@gmail.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 "libavutil/intreadwrite.h"
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#include "libavcodec/avcodec.h"
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#include "libavcodec/hevcdsp.h"
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#include "checkasm.h"
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static const uint32_t pixel_mask[3] = { 0xffffffff, 0x03ff03ff, 0x0fff0fff };
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static const uint32_t sao_size[5] = {8, 16, 32, 48, 64};
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#define SIZEOF_PIXEL ((bit_depth + 7) / 8)
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#define PIXEL_STRIDE (2*MAX_PB_SIZE + AV_INPUT_BUFFER_PADDING_SIZE) //same with sao_edge src_stride
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#define BUF_SIZE (PIXEL_STRIDE * (64+2) * 2) //+2 for top and bottom row, *2 for high bit depth
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#define OFFSET_THRESH (1 << (bit_depth - 5))
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#define OFFSET_LENGTH 5
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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) \
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do { \
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uint32_t max_offset = OFFSET_THRESH; \
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int k; \
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if (bit_depth == 8) { \
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for (k = 0; k < size; k++) { \
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uint8_t r = rnd() % max_offset; \
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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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uint16_t r = rnd() % max_offset; \
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buf[k] = r; \
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} \
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} \
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} while (0)
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static void check_sao_band(HEVCDSPContext h, int bit_depth)
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{
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int i;
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LOCAL_ALIGNED_32(uint8_t, dst0, [BUF_SIZE]);
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LOCAL_ALIGNED_32(uint8_t, dst1, [BUF_SIZE]);
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LOCAL_ALIGNED_32(uint8_t, src0, [BUF_SIZE]);
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LOCAL_ALIGNED_32(uint8_t, src1, [BUF_SIZE]);
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int16_t offset_val[OFFSET_LENGTH];
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int left_class = rnd()%32;
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for (i = 0; i <= 4; i++) {
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int block_size = sao_size[i];
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ptrdiff_t stride = PIXEL_STRIDE*SIZEOF_PIXEL;
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declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, uint8_t *src, ptrdiff_t dst_stride, ptrdiff_t src_stride,
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int16_t *sao_offset_val, int sao_left_class, int width, int height);
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randomize_buffers(src0, src1, BUF_SIZE);
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randomize_buffers2(offset_val, OFFSET_LENGTH);
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memset(dst0, 0, BUF_SIZE);
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memset(dst1, 0, BUF_SIZE);
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if (check_func(h.sao_band_filter[i], "hevc_sao_band_%dx%d_%d", block_size, block_size, bit_depth)) {
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call_ref(dst0, src0, stride, stride, offset_val, left_class, block_size, block_size);
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call_new(dst1, src1, stride, stride, offset_val, left_class, block_size, block_size);
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if (memcmp(dst0, dst1, BUF_SIZE))
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fail();
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bench_new(dst1, src1, stride, stride, offset_val, left_class, block_size, block_size);
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}
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}
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}
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static void check_sao_edge(HEVCDSPContext h, int bit_depth)
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{
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int i;
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LOCAL_ALIGNED_32(uint8_t, dst0, [BUF_SIZE]);
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LOCAL_ALIGNED_32(uint8_t, dst1, [BUF_SIZE]);
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LOCAL_ALIGNED_32(uint8_t, src0, [BUF_SIZE]);
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LOCAL_ALIGNED_32(uint8_t, src1, [BUF_SIZE]);
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int16_t offset_val[OFFSET_LENGTH];
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int eo = rnd()%4;
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for (i = 0; i <= 4; i++) {
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int block_size = sao_size[i];
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ptrdiff_t stride = PIXEL_STRIDE*SIZEOF_PIXEL;
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int offset = (AV_INPUT_BUFFER_PADDING_SIZE + PIXEL_STRIDE)*SIZEOF_PIXEL;
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declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, uint8_t *src, ptrdiff_t stride_dst,
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int16_t *sao_offset_val, int eo, int width, int height);
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randomize_buffers(src0, src1, BUF_SIZE);
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randomize_buffers2(offset_val, OFFSET_LENGTH);
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memset(dst0, 0, BUF_SIZE);
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memset(dst1, 0, BUF_SIZE);
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if (check_func(h.sao_edge_filter[i], "hevc_sao_edge_%dx%d_%d", block_size, block_size, bit_depth)) {
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call_ref(dst0, src0 + offset, stride, offset_val, eo, block_size, block_size);
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call_new(dst1, src1 + offset, stride, offset_val, eo, block_size, block_size);
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if (memcmp(dst0, dst1, BUF_SIZE))
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fail();
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bench_new(dst1, src1 + offset, stride, offset_val, eo, block_size, block_size);
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}
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}
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}
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void checkasm_check_hevc_sao(void)
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{
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int bit_depth;
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for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) {
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HEVCDSPContext h;
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ff_hevc_dsp_init(&h, bit_depth);
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check_sao_band(h, bit_depth);
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}
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report("sao_band");
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for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) {
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HEVCDSPContext h;
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ff_hevc_dsp_init(&h, bit_depth);
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check_sao_edge(h, bit_depth);
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}
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report("sao_edge");
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}
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