/* * Copyright (c) 2016 Alexandra Hájková * * 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 #include "libavutil/intreadwrite.h" #include "libavutil/mem_internal.h" #include "libavcodec/hevcdsp.h" #include "checkasm.h" #define randomize_buffers(buf, size) \ do { \ int j; \ for (j = 0; j < size; j++) { \ int16_t r = rnd(); \ AV_WN16A(buf + j, r); \ } \ } while (0) static void check_idct(HEVCDSPContext h, int bit_depth) { int i; LOCAL_ALIGNED(32, int16_t, coeffs0, [32 * 32]); LOCAL_ALIGNED(32, int16_t, coeffs1, [32 * 32]); for (i = 2; i <= 5; i++) { int block_size = 1 << i; int size = block_size * block_size; int col_limit = block_size; declare_func(void, int16_t *coeffs, int col_limit); randomize_buffers(coeffs0, size); memcpy(coeffs1, coeffs0, sizeof(*coeffs0) * size); if (check_func(h.idct[i - 2], "hevc_idct_%dx%d_%d", block_size, block_size, bit_depth)) { call_ref(coeffs0, col_limit); call_new(coeffs1, col_limit); if (memcmp(coeffs0, coeffs1, sizeof(*coeffs0) * size)) fail(); bench_new(coeffs1, col_limit); } } } static void check_idct_dc(HEVCDSPContext h, int bit_depth) { int i; LOCAL_ALIGNED(32, int16_t, coeffs0, [32 * 32]); LOCAL_ALIGNED(32, int16_t, coeffs1, [32 * 32]); for (i = 2; i <= 5; i++) { int block_size = 1 << i; int size = block_size * block_size; declare_func_emms(AV_CPU_FLAG_MMXEXT, void, int16_t *coeffs); randomize_buffers(coeffs0, size); memcpy(coeffs1, coeffs0, sizeof(*coeffs0) * size); if (check_func(h.idct_dc[i - 2], "hevc_idct_%dx%d_dc_%d", block_size, block_size, bit_depth)) { call_ref(coeffs0); call_new(coeffs1); if (memcmp(coeffs0, coeffs1, sizeof(*coeffs0) * size)) fail(); bench_new(coeffs1); } } } static void check_transform_luma(HEVCDSPContext *h, int bit_depth) { LOCAL_ALIGNED(32, int16_t, coeffs0, [32 * 32]); LOCAL_ALIGNED(32, int16_t, coeffs1, [32 * 32]); int block_size = 4; int size = block_size * block_size; declare_func_emms(AV_CPU_FLAG_MMXEXT, void, int16_t *coeffs); randomize_buffers(coeffs0, size); memcpy(coeffs1, coeffs0, sizeof(*coeffs0) * size); if (check_func(h->transform_4x4_luma, "hevc_transform_luma_4x4_%d", bit_depth)) { call_ref(coeffs0); call_new(coeffs1); if (memcmp(coeffs0, coeffs1, sizeof(*coeffs0) * size)) fail(); bench_new(coeffs1); } } void checkasm_check_hevc_idct(void) { int bit_depth; for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) { HEVCDSPContext h; ff_hevc_dsp_init(&h, bit_depth); check_idct_dc(h, bit_depth); } report("idct_dc"); for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) { HEVCDSPContext h; ff_hevc_dsp_init(&h, bit_depth); check_idct(h, bit_depth); } report("idct"); for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) { HEVCDSPContext h; ff_hevc_dsp_init(&h, bit_depth); check_transform_luma(&h, bit_depth); } report("transform_luma"); }