ref: 1cec875c1feb82dc91469a7cfefaf1ff1dcb63b7
dir: /tests/checkasm/mc.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 <assert.h> #include "src/levels.h" #include "src/mc.h" static const char *const filter_names[] = { "8tap_regular", "8tap_regular_smooth", "8tap_regular_sharp", "8tap_sharp_regular", "8tap_sharp_smooth", "8tap_sharp", "8tap_smooth_regular", "8tap_smooth", "8tap_smooth_sharp", "bilinear" }; static const char *const mxy_names[] = { "0", "h", "v", "hv" }; static void check_mc(Dav1dMCDSPContext *const c) { ALIGN_STK_32(pixel, src_buf, 135 * 135,); ALIGN_STK_32(pixel, c_dst, 128 * 128,); ALIGN_STK_32(pixel, a_dst, 128 * 128,); const pixel *src = src_buf + 135 * 3 + 3; const ptrdiff_t src_stride = 135 * sizeof(pixel); declare_func(void, pixel *dst, ptrdiff_t dst_stride, const pixel *src, ptrdiff_t src_stride, int w, int h, int mx, int my HIGHBD_DECL_SUFFIX); for (int filter = 0; filter < N_2D_FILTERS; filter++) for (int w = 2; w <= 128; w <<= 1) { const ptrdiff_t dst_stride = w * sizeof(pixel); for (int mxy = 0; mxy < 4; mxy++) if (check_func(c->mc[filter], "mc_%s_w%d_%s_%dbpc", filter_names[filter], w, mxy_names[mxy], BITDEPTH)) { const int min = w <= 32 ? 2 : w / 4; const int max = imax(imin(w * 4, 128), 32); for (int h = min; h <= max; h <<= 1) { const int mx = (mxy & 1) ? rnd() % 15 + 1 : 0; const int my = (mxy & 2) ? rnd() % 15 + 1 : 0; #if BITDEPTH == 16 const int bitdepth_max = rnd() & 1 ? 0x3ff : 0xfff; #else const int bitdepth_max = 0xff; #endif for (int i = 0; i < 135 * 135; i++) src_buf[i] = rnd() & bitdepth_max; call_ref(c_dst, dst_stride, src, src_stride, w, h, mx, my HIGHBD_TAIL_SUFFIX); call_new(a_dst, dst_stride, src, src_stride, w, h, mx, my HIGHBD_TAIL_SUFFIX); if (memcmp(c_dst, a_dst, w * h * sizeof(*c_dst))) fail(); if (filter == FILTER_2D_8TAP_REGULAR || filter == FILTER_2D_BILINEAR) { bench_new(a_dst, dst_stride, src, src_stride, w, h, mx, my HIGHBD_TAIL_SUFFIX); } } } } report("mc"); } /* Generate worst case input in the topleft corner, randomize the rest */ static void generate_mct_input(pixel *const buf, const int bitdepth_max) { static const int8_t pattern[8] = { -1, 0, -1, 0, 0, -1, 0, -1 }; const int sign = -(rnd() & 1); for (int y = 0; y < 135; y++) for (int x = 0; x < 135; x++) buf[135*y+x] = ((x | y) < 8 ? (pattern[x] ^ pattern[y] ^ sign) : rnd()) & bitdepth_max; } static void check_mct(Dav1dMCDSPContext *const c) { ALIGN_STK_32(pixel, src_buf, 135 * 135,); ALIGN_STK_32(int16_t, c_tmp, 128 * 128,); ALIGN_STK_32(int16_t, a_tmp, 128 * 128,); const pixel *src = src_buf + 135 * 3 + 3; const ptrdiff_t src_stride = 135 * sizeof(pixel); declare_func(void, int16_t *tmp, const pixel *src, ptrdiff_t src_stride, int w, int h, int mx, int my HIGHBD_DECL_SUFFIX); for (int filter = 0; filter < N_2D_FILTERS; filter++) for (int w = 4; w <= 128; w <<= 1) for (int mxy = 0; mxy < 4; mxy++) if (check_func(c->mct[filter], "mct_%s_w%d_%s_%dbpc", filter_names[filter], w, mxy_names[mxy], BITDEPTH)) for (int h = imax(w / 4, 4); h <= imin(w * 4, 128); h <<= 1) { const int mx = (mxy & 1) ? rnd() % 15 + 1 : 0; const int my = (mxy & 2) ? rnd() % 15 + 1 : 0; #if BITDEPTH == 16 const int bitdepth_max = rnd() & 1 ? 0x3ff : 0xfff; #else const int bitdepth_max = 0xff; #endif generate_mct_input(src_buf, bitdepth_max); call_ref(c_tmp, src, src_stride, w, h, mx, my HIGHBD_TAIL_SUFFIX); call_new(a_tmp, src, src_stride, w, h, mx, my HIGHBD_TAIL_SUFFIX); if (memcmp(c_tmp, a_tmp, w * h * sizeof(*c_tmp))) fail(); if (filter == FILTER_2D_8TAP_REGULAR || filter == FILTER_2D_BILINEAR) { bench_new(a_tmp, src, src_stride, w, h, mx, my HIGHBD_TAIL_SUFFIX); } } report("mct"); } static void init_tmp(Dav1dMCDSPContext *const c, pixel *const buf, int16_t (*const tmp)[128 * 128], const int bitdepth_max) { for (int i = 0; i < 2; i++) { generate_mct_input(buf, bitdepth_max); c->mct[FILTER_2D_8TAP_SHARP](tmp[i], buf + 135 * 3 + 3, 135 * sizeof(pixel), 128, 128, 8, 8 HIGHBD_TAIL_SUFFIX); } } static void check_avg(Dav1dMCDSPContext *const c) { ALIGN_STK_32(int16_t, tmp, 2, [128 * 128]); ALIGN_STK_32(pixel, c_dst, 135 * 135,); ALIGN_STK_32(pixel, a_dst, 128 * 128,); declare_func(void, pixel *dst, ptrdiff_t dst_stride, const int16_t *tmp1, const int16_t *tmp2, int w, int h HIGHBD_DECL_SUFFIX); for (int w = 4; w <= 128; w <<= 1) if (check_func(c->avg, "avg_w%d_%dbpc", w, BITDEPTH)) { ptrdiff_t dst_stride = w * sizeof(pixel); for (int h = imax(w / 4, 4); h <= imin(w * 4, 128); h <<= 1) { #if BITDEPTH == 16 const int bitdepth_max = rnd() & 1 ? 0x3ff : 0xfff; #else const int bitdepth_max = 0xff; #endif init_tmp(c, c_dst, tmp, bitdepth_max); call_ref(c_dst, dst_stride, tmp[0], tmp[1], w, h HIGHBD_TAIL_SUFFIX); call_new(a_dst, dst_stride, tmp[0], tmp[1], w, h HIGHBD_TAIL_SUFFIX); if (memcmp(c_dst, a_dst, w * h * sizeof(*c_dst))) fail(); bench_new(a_dst, dst_stride, tmp[0], tmp[1], w, h HIGHBD_TAIL_SUFFIX); } } report("avg"); } static void check_w_avg(Dav1dMCDSPContext *const c) { ALIGN_STK_32(int16_t, tmp, 2, [128 * 128]); ALIGN_STK_32(pixel, c_dst, 135 * 135,); ALIGN_STK_32(pixel, a_dst, 128 * 128,); declare_func(void, pixel *dst, ptrdiff_t dst_stride, const int16_t *tmp1, const int16_t *tmp2, int w, int h, int weight HIGHBD_DECL_SUFFIX); for (int w = 4; w <= 128; w <<= 1) if (check_func(c->w_avg, "w_avg_w%d_%dbpc", w, BITDEPTH)) { ptrdiff_t dst_stride = w * sizeof(pixel); for (int h = imax(w / 4, 4); h <= imin(w * 4, 128); h <<= 1) { int weight = rnd() % 15 + 1; #if BITDEPTH == 16 const int bitdepth_max = rnd() & 1 ? 0x3ff : 0xfff; #else const int bitdepth_max = 0xff; #endif init_tmp(c, c_dst, tmp, bitdepth_max); call_ref(c_dst, dst_stride, tmp[0], tmp[1], w, h, weight HIGHBD_TAIL_SUFFIX); call_new(a_dst, dst_stride, tmp[0], tmp[1], w, h, weight HIGHBD_TAIL_SUFFIX); if (memcmp(c_dst, a_dst, w * h * sizeof(*c_dst))) fail(); bench_new(a_dst, dst_stride, tmp[0], tmp[1], w, h, weight HIGHBD_TAIL_SUFFIX); } } report("w_avg"); } static void check_mask(Dav1dMCDSPContext *const c) { ALIGN_STK_32(int16_t, tmp, 2, [128 * 128]); ALIGN_STK_32(pixel, c_dst, 135 * 135,); ALIGN_STK_32(pixel, a_dst, 128 * 128,); ALIGN_STK_32(uint8_t, mask, 128 * 128,); for (int i = 0; i < 128 * 128; i++) mask[i] = rnd() % 65; declare_func(void, pixel *dst, ptrdiff_t dst_stride, const int16_t *tmp1, const int16_t *tmp2, int w, int h, const uint8_t *mask HIGHBD_DECL_SUFFIX); for (int w = 4; w <= 128; w <<= 1) if (check_func(c->mask, "mask_w%d_%dbpc", w, BITDEPTH)) { ptrdiff_t dst_stride = w * sizeof(pixel); for (int h = imax(w / 4, 4); h <= imin(w * 4, 128); h <<= 1) { #if BITDEPTH == 16 const int bitdepth_max = rnd() & 1 ? 0x3ff : 0xfff; #else const int bitdepth_max = 0xff; #endif init_tmp(c, c_dst, tmp, bitdepth_max); call_ref(c_dst, dst_stride, tmp[0], tmp[1], w, h, mask HIGHBD_TAIL_SUFFIX); call_new(a_dst, dst_stride, tmp[0], tmp[1], w, h, mask HIGHBD_TAIL_SUFFIX); if (memcmp(c_dst, a_dst, w * h * sizeof(*c_dst))) fail(); bench_new(a_dst, dst_stride, tmp[0], tmp[1], w, h, mask HIGHBD_TAIL_SUFFIX); } } report("mask"); } static void check_w_mask(Dav1dMCDSPContext *const c) { ALIGN_STK_32(int16_t, tmp, 2, [128 * 128]); ALIGN_STK_32(pixel, c_dst, 135 * 135,); ALIGN_STK_32(pixel, a_dst, 128 * 128,); ALIGN_STK_32(uint8_t, c_mask, 128 * 128,); ALIGN_STK_32(uint8_t, a_mask, 128 * 128,); declare_func(void, pixel *dst, ptrdiff_t dst_stride, const int16_t *tmp1, const int16_t *tmp2, int w, int h, uint8_t *mask, int sign HIGHBD_DECL_SUFFIX); static const uint16_t ss[] = { 444, 422, 420 }; for (int i = 0; i < 3; i++) for (int w = 4; w <= 128; w <<= 1) if (check_func(c->w_mask[i], "w_mask_%d_w%d_%dbpc", ss[i], w, BITDEPTH)) { ptrdiff_t dst_stride = w * sizeof(pixel); for (int h = imax(w / 4, 4); h <= imin(w * 4, 128); h <<= 1) { int sign = rnd() & 1; #if BITDEPTH == 16 const int bitdepth_max = rnd() & 1 ? 0x3ff : 0xfff; #else const int bitdepth_max = 0xff; #endif init_tmp(c, c_dst, tmp, bitdepth_max); call_ref(c_dst, dst_stride, tmp[0], tmp[1], w, h, c_mask, sign HIGHBD_TAIL_SUFFIX); call_new(a_dst, dst_stride, tmp[0], tmp[1], w, h, a_mask, sign HIGHBD_TAIL_SUFFIX); if (memcmp(c_dst, a_dst, w * h * sizeof(*c_dst)) || memcmp(c_mask, a_mask, (w * h * sizeof(*c_mask)) >> i)) { fail(); } bench_new(a_dst, dst_stride, tmp[0], tmp[1], w, h, a_mask, sign HIGHBD_TAIL_SUFFIX); } } report("w_mask"); } static void check_blend(Dav1dMCDSPContext *const c) { ALIGN_STK_32(pixel, tmp, 32 * 32,); ALIGN_STK_32(pixel, c_dst, 32 * 32,); ALIGN_STK_32(pixel, a_dst, 32 * 32,); ALIGN_STK_32(uint8_t, mask, 32 * 32,); declare_func(void, pixel *dst, ptrdiff_t dst_stride, const pixel *tmp, int w, int h, const uint8_t *mask); for (int w = 4; w <= 32; w <<= 1) { const ptrdiff_t dst_stride = w * sizeof(pixel); if (check_func(c->blend, "blend_w%d_%dbpc", w, BITDEPTH)) for (int h = imax(w / 2, 4); h <= imin(w * 2, 32); h <<= 1) { #if BITDEPTH == 16 const int bitdepth_max = rnd() & 1 ? 0x3ff : 0xfff; #else const int bitdepth_max = 0xff; #endif for (int i = 0; i < 32 * 32; i++) { tmp[i] = rnd() & bitdepth_max; mask[i] = rnd() % 65; } for (int i = 0; i < w * h; i++) c_dst[i] = a_dst[i] = rnd() & bitdepth_max; call_ref(c_dst, dst_stride, tmp, w, h, mask); call_new(a_dst, dst_stride, tmp, w, h, mask); if (memcmp(c_dst, a_dst, w * h * sizeof(*c_dst))) fail(); bench_new(a_dst, dst_stride, tmp, w, h, mask); } } report("blend"); } static void check_blend_v(Dav1dMCDSPContext *const c) { ALIGN_STK_32(pixel, tmp, 32 * 128,); ALIGN_STK_32(pixel, c_dst, 32 * 128,); ALIGN_STK_32(pixel, a_dst, 32 * 128,); declare_func(void, pixel *dst, ptrdiff_t dst_stride, const pixel *tmp, int w, int h); for (int w = 2; w <= 32; w <<= 1) { const ptrdiff_t dst_stride = w * sizeof(pixel); if (check_func(c->blend_v, "blend_v_w%d_%dbpc", w, BITDEPTH)) for (int h = 2; h <= (w == 2 ? 64 : 128); h <<= 1) { #if BITDEPTH == 16 const int bitdepth_max = rnd() & 1 ? 0x3ff : 0xfff; #else const int bitdepth_max = 0xff; #endif for (int i = 0; i < w * h; i++) c_dst[i] = a_dst[i] = rnd() & bitdepth_max; for (int i = 0; i < 32 * 128; i++) tmp[i] = rnd() & bitdepth_max; call_ref(c_dst, dst_stride, tmp, w, h); call_new(a_dst, dst_stride, tmp, w, h); if (memcmp(c_dst, a_dst, w * h * sizeof(*c_dst))) fail(); bench_new(a_dst, dst_stride, tmp, w, h); } } report("blend_v"); } static void check_blend_h(Dav1dMCDSPContext *const c) { ALIGN_STK_32(pixel, tmp, 128 * 32,); ALIGN_STK_32(pixel, c_dst, 128 * 32,); ALIGN_STK_32(pixel, a_dst, 128 * 32,); declare_func(void, pixel *dst, ptrdiff_t dst_stride, const pixel *tmp, int w, int h); for (int w = 2; w <= 128; w <<= 1) { const ptrdiff_t dst_stride = w * sizeof(pixel); if (check_func(c->blend_h, "blend_h_w%d_%dbpc", w, BITDEPTH)) for (int h = (w == 128 ? 4 : 2); h <= 32; h <<= 1) { #if BITDEPTH == 16 const int bitdepth_max = rnd() & 1 ? 0x3ff : 0xfff; #else const int bitdepth_max = 0xff; #endif for (int i = 0; i < w * h; i++) c_dst[i] = a_dst[i] = rnd() & bitdepth_max; for (int i = 0; i < 128 * 32; i++) tmp[i] = rnd() & bitdepth_max; call_ref(c_dst, dst_stride, tmp, w, h); call_new(a_dst, dst_stride, tmp, w, h); if (memcmp(c_dst, a_dst, w * h * sizeof(*c_dst))) fail(); bench_new(a_dst, dst_stride, tmp, w, h); } } report("blend_h"); } static void check_warp8x8(Dav1dMCDSPContext *const c) { ALIGN_STK_32(pixel, src_buf, 15 * 15,); ALIGN_STK_32(pixel, c_dst, 8 * 8,); ALIGN_STK_32(pixel, a_dst, 8 * 8,); int16_t abcd[4]; const pixel *src = src_buf + 15 * 3 + 3; const ptrdiff_t dst_stride = 8 * sizeof(pixel); const ptrdiff_t src_stride = 15 * sizeof(pixel); declare_func(void, pixel *dst, ptrdiff_t dst_stride, const pixel *src, ptrdiff_t src_stride, const int16_t *abcd, int mx, int my HIGHBD_DECL_SUFFIX); if (check_func(c->warp8x8, "warp_8x8_%dbpc", BITDEPTH)) { const int mx = (rnd() & 0x1fff) - 0x800; const int my = (rnd() & 0x1fff) - 0x800; #if BITDEPTH == 16 const int bitdepth_max = rnd() & 1 ? 0x3ff : 0xfff; #else const int bitdepth_max = 0xff; #endif for (int i = 0; i < 4; i++) abcd[i] = (rnd() & 0x1fff) - 0x800; for (int i = 0; i < 15 * 15; i++) src_buf[i] = rnd() & bitdepth_max; call_ref(c_dst, dst_stride, src, src_stride, abcd, mx, my HIGHBD_TAIL_SUFFIX); call_new(a_dst, dst_stride, src, src_stride, abcd, mx, my HIGHBD_TAIL_SUFFIX); if (memcmp(c_dst, a_dst, 8 * 8 * sizeof(*c_dst))) fail(); bench_new(a_dst, dst_stride, src, src_stride, abcd, mx, my HIGHBD_TAIL_SUFFIX); } report("warp8x8"); } static void check_warp8x8t(Dav1dMCDSPContext *const c) { ALIGN_STK_32(pixel, src_buf, 15 * 15,); ALIGN_STK_32(int16_t, c_tmp, 8 * 8,); ALIGN_STK_32(int16_t, a_tmp, 8 * 8,); int16_t abcd[4]; const pixel *src = src_buf + 15 * 3 + 3; const ptrdiff_t src_stride = 15 * sizeof(pixel); declare_func(void, int16_t *tmp, ptrdiff_t tmp_stride, const pixel *src, ptrdiff_t src_stride, const int16_t *abcd, int mx, int my HIGHBD_DECL_SUFFIX); if (check_func(c->warp8x8t, "warp_8x8t_%dbpc", BITDEPTH)) { const int mx = (rnd() & 0x1fff) - 0x800; const int my = (rnd() & 0x1fff) - 0x800; #if BITDEPTH == 16 const int bitdepth_max = rnd() & 1 ? 0x3ff : 0xfff; #else const int bitdepth_max = 0xff; #endif for (int i = 0; i < 4; i++) abcd[i] = (rnd() & 0x1fff) - 0x800; for (int i = 0; i < 15 * 15; i++) src_buf[i] = rnd() & bitdepth_max; call_ref(c_tmp, 8, src, src_stride, abcd, mx, my HIGHBD_TAIL_SUFFIX); call_new(a_tmp, 8, src, src_stride, abcd, mx, my HIGHBD_TAIL_SUFFIX); if (memcmp(c_tmp, a_tmp, 8 * 8 * sizeof(*c_tmp))) fail(); bench_new(a_tmp, 8, src, src_stride, abcd, mx, my HIGHBD_TAIL_SUFFIX); } report("warp8x8t"); } static int cmp2d(const pixel *a, const pixel *b, const ptrdiff_t stride, const int w, const int h) { for (int y = 0; y < h; y++) { for (int x = 0; x < w; x++) if (a[x] != b[x]) return (y << 16) | x; a += PXSTRIDE(stride); b += PXSTRIDE(stride); } return -1; } enum EdgeFlags { HAVE_TOP = 1, HAVE_BOTTOM = 2, HAVE_LEFT = 4, HAVE_RIGHT = 8, }; static void random_offset_for_edge(int *const x, int *const y, const int bw, const int bh, int *const iw, int *const ih, const enum EdgeFlags edge) { #define set_off(edge1, edge2, pos, dim) \ *i##dim = edge & (HAVE_##edge1 | HAVE_##edge2) ? 160 : 1 + (rnd() % (b##dim - 2)); \ switch (edge & (HAVE_##edge1 | HAVE_##edge2)) { \ case HAVE_##edge1 | HAVE_##edge2: \ assert(b##dim <= *i##dim); \ *pos = rnd() % (*i##dim - b##dim + 1); \ break; \ case HAVE_##edge1: \ *pos = (*i##dim - b##dim) + 1 + (rnd() % (b##dim - 1)); \ break; \ case HAVE_##edge2: \ *pos = -(1 + (rnd() % (b##dim - 1))); \ break; \ case 0: \ assert(b##dim - 1 > *i##dim); \ *pos = -(1 + (rnd() % (b##dim - *i##dim - 1))); \ break; \ } set_off(LEFT, RIGHT, x, w); set_off(TOP, BOTTOM, y, h); } static void check_emuedge(Dav1dMCDSPContext *const c) { ALIGN_STK_32(pixel, c_dst, 135 * 192,); ALIGN_STK_32(pixel, a_dst, 135 * 192,); ALIGN_STK_32(pixel, src, 160 * 160,); for (int i = 0; i < 160 * 160; i++) src[i] = rnd() & ((1U << BITDEPTH) - 1); declare_func(void, intptr_t bw, intptr_t bh, intptr_t iw, intptr_t ih, intptr_t x, intptr_t y, pixel *dst, ptrdiff_t dst_stride, const pixel *src, ptrdiff_t src_stride); int x, y, iw, ih; for (int w = 4; w <= 128; w <<= 1) if (check_func(c->emu_edge, "emu_edge_w%d_%dbpc", w, BITDEPTH)) { for (int h = imax(w / 4, 4); h <= imin(w * 4, 128); h <<= 1) { // we skip 0xf, since it implies that we don't need emu_edge for (enum EdgeFlags edge = 0; edge < 0xf; edge++) { const int bw = w + (rnd() & 7); const int bh = h + (rnd() & 7); random_offset_for_edge(&x, &y, bw, bh, &iw, &ih, edge); call_ref(bw, bh, iw, ih, x, y, c_dst, 192 * sizeof(pixel), src, 160 * sizeof(pixel)); call_new(bw, bh, iw, ih, x, y, a_dst, 192 * sizeof(pixel), src, 160 * sizeof(pixel)); const int res = cmp2d(c_dst, a_dst, 192 * sizeof(pixel), bw, bh); if (res != -1) fail(); } } for (enum EdgeFlags edge = 1; edge < 0xf; edge <<= 1) { random_offset_for_edge(&x, &y, w + 7, w + 7, &iw, &ih, edge); bench_new(w + 7, w + 7, iw, ih, x, y, a_dst, 192 * sizeof(pixel), src, 160 * sizeof(pixel)); } } report("emu_edge"); } void bitfn(checkasm_check_mc)(void) { Dav1dMCDSPContext c; bitfn(dav1d_mc_dsp_init)(&c); check_mc(&c); check_mct(&c); check_avg(&c); check_w_avg(&c); check_mask(&c); check_w_mask(&c); check_blend(&c); check_blend_v(&c); check_blend_h(&c); check_warp8x8(&c); check_warp8x8t(&c); check_emuedge(&c); }