ref: ce6f1f77eb29bf96f946e9529ca5caa29a898f95
dir: /tests/checkasm/loopfilter.c/
/* * Copyright © 2018, VideoLAN and dav1d authors * Copyright © 2018, Two Orioles, LLC * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "tests/checkasm/checkasm.h" #include <string.h> #include "src/levels.h" #include "src/loopfilter.h" static void init_lpf_border(pixel *const dst, const ptrdiff_t stride, int E, int I, int H) { const int F = 1 << (BITDEPTH - 8); E <<= BITDEPTH - 8; I <<= BITDEPTH - 8; H <<= BITDEPTH - 8; const int filter_type = rand() % 4; const int edge_diff = rand() % ((E + 2) * 4) - 2 * (E + 2); switch (filter_type) { case 0: // random, unfiltered for (int i = -8; i < 8; i++) dst[i * stride] = rand() & ((1 << BITDEPTH) - 1); break; case 1: // long flat dst[-8 * stride] = rand() & ((1 << BITDEPTH) - 1); dst[+7 * stride] = rand() & ((1 << BITDEPTH) - 1); dst[+0 * stride] = rand() & ((1 << BITDEPTH) - 1); dst[-1 * stride] = iclip_pixel(dst[+0 * stride] + edge_diff); for (int i = 1; i < 7; i++) { dst[-(1 + i) * stride] = iclip_pixel(dst[-1 * stride] + rand() % (2 * (F + 1)) - (F + 1)); dst[+(0 + i) * stride] = iclip_pixel(dst[+0 * stride] + rand() % (2 * (F + 1)) - (F + 1)); } break; case 2: // short flat for (int i = 4; i < 8; i++) { dst[-(1 + i) * stride] = rand() & ((1 << BITDEPTH) - 1); dst[+(0 + i) * stride] = rand() & ((1 << BITDEPTH) - 1); } dst[+0 * stride] = rand() & ((1 << BITDEPTH) - 1); dst[-1 * stride] = iclip_pixel(dst[+0 * stride] + edge_diff); for (int i = 1; i < 4; i++) { dst[-(1 + i) * stride] = iclip_pixel(dst[-1 * stride] + rand() % (2 * (F + 1)) - (F + 1)); dst[+(0 + i) * stride] = iclip_pixel(dst[+0 * stride] + rand() % (2 * (F + 1)) - (F + 1)); } break; case 3: // normal or hev for (int i = 4; i < 8; i++) { dst[-(1 + i) * stride] = rand() & ((1 << BITDEPTH) - 1); dst[+(0 + i) * stride] = rand() & ((1 << BITDEPTH) - 1); } dst[+0 * stride] = rand() & ((1 << BITDEPTH) - 1); dst[-1 * stride] = iclip_pixel(dst[+0 * stride] + edge_diff); for (int i = 1; i < 4; i++) { dst[-(1 + i) * stride] = iclip_pixel(dst[-(0 + i) * stride] + rand() % (2 * (I + 1)) - (I + 1)); dst[+(0 + i) * stride] = iclip_pixel(dst[+(i - 1) * stride] + rand() % (2 * (I + 1)) - (I + 1)); } break; } } static void check_lpf_sb(loopfilter_sb_fn fn, const char *const name, const int n_blks, const int lf_idx, const int is_chroma, const int dir) { ALIGN_STK_32(pixel, c_dst_mem, 128 * 16,); ALIGN_STK_32(pixel, a_dst_mem, 128 * 16,); pixel *a_dst, *c_dst; ptrdiff_t stride, b4_stride; if (dir) { a_dst = a_dst_mem + 128 * 8; c_dst = c_dst_mem + 128 * 8; stride = 128 * sizeof(pixel); b4_stride = 32; } else { a_dst = a_dst_mem + 8; c_dst = c_dst_mem + 8; stride = 16 * sizeof(pixel); b4_stride = 2; } declare_func(void, pixel *dst, ptrdiff_t dst_stride, const uint32_t *mask, const uint8_t (*l)[4], ptrdiff_t b4_stride, const Av1FilterLUT *lut, int w); Av1FilterLUT lut; const int sharp = rand() & 7; for (int level = 0; level < 64; level++) { int limit = level; if (sharp > 0) { limit >>= (sharp + 3) >> 2; limit = imin(limit, 9 - sharp); } limit = imax(limit, 1); lut.i[level] = limit; lut.e[level] = 2 * (level + 2) + limit; } lut.sharp[0] = (sharp + 3) >> 2; lut.sharp[1] = sharp ? 9 - sharp : 0xff; const int n_strengths = is_chroma ? 2 : 3; for (int i = 0; i < n_strengths; i++) { if (check_func(fn, "%s_w%d_%dbpc", name, is_chroma ? 4 + 2 * i : 4 << i, BITDEPTH)) { uint32_t vmask[4] = { 0 }; uint8_t l[32 * 2][4]; for (int j = 0; j < n_blks; j++) { const int idx = rand() % (i + 2); if (idx) vmask[idx - 1] |= 1 << j; if (dir) { l[j][lf_idx] = rand() & 63; l[j + 32][lf_idx] = rand() & 63; } else { l[j * 2][lf_idx] = rand() & 63; l[j * 2 + 1][lf_idx] = rand() & 63; } } for (int i = 0; i < 4 * n_blks; i++) { const int x = i >> 2; int L; if (dir) { L = l[32 + x][lf_idx] ? l[32 + x][lf_idx] : l[x][lf_idx]; } else { L = l[2 * x + 1][lf_idx] ? l[2 * x + 1][lf_idx] : l[2 * x][lf_idx]; } init_lpf_border(c_dst + i * (dir ? 1 : 16), dir ? 128 : 1, lut.e[L], lut.i[L], L >> 4); } memcpy(a_dst_mem, c_dst_mem, 128 * sizeof(pixel) * 16); call_ref(c_dst, stride, vmask, (const uint8_t(*)[4]) &l[dir ? 32 : 1][lf_idx], b4_stride, &lut, n_blks); call_new(a_dst, stride, vmask, (const uint8_t(*)[4]) &l[dir ? 32 : 1][lf_idx], b4_stride, &lut, n_blks); if (memcmp(c_dst_mem, a_dst_mem, 128 * 16 * sizeof(*a_dst))) fail(); bench_new(a_dst, stride, vmask, (const uint8_t(*)[4]) &l[dir ? 32 : 1][lf_idx], b4_stride, &lut, n_blks); } } report(name); } void bitfn(checkasm_check_loopfilter)(void) { Dav1dLoopFilterDSPContext c; bitfn(dav1d_loop_filter_dsp_init)(&c); check_lpf_sb(c.loop_filter_sb[0][0], "lpf_h_sb_y", 32, 0, 0, 0); check_lpf_sb(c.loop_filter_sb[0][1], "lpf_v_sb_y", 32, 1, 0, 1); check_lpf_sb(c.loop_filter_sb[1][0], "lpf_h_sb_uv", 16, 2, 1, 0); check_lpf_sb(c.loop_filter_sb[1][1], "lpf_v_sb_uv", 16, 2, 1, 1); }