/* * Copyright (c) 2015 Henrik Gramner * * 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 "checkasm.h" #include "libavcodec/blockdsp.h" #include "libavutil/common.h" #include "libavutil/internal.h" #include "libavutil/intreadwrite.h" #include "libavutil/mem_internal.h" #define randomize_buffers(size) \ do { \ int i; \ for (i = 0; i < size; i++) { \ uint16_t r = rnd(); \ AV_WN16A(buf0 + i, r); \ AV_WN16A(buf1 + i, r); \ } \ } while (0) #define check_clear(func, size) \ do { \ if (check_func(h.func, "blockdsp." #func)) { \ declare_func_emms(AV_CPU_FLAG_MMX, void, int16_t *block); \ randomize_buffers(size); \ call_ref(buf0); \ call_new(buf1); \ if (memcmp(buf0, buf1, sizeof(*buf0) * size)) \ fail(); \ bench_new(buf0); \ } \ } while (0) void checkasm_check_blockdsp(void) { LOCAL_ALIGNED_32(uint16_t, buf0, [6 * 8 * 8]); LOCAL_ALIGNED_32(uint16_t, buf1, [6 * 8 * 8]); AVCodecContext avctx = { 0 }; BlockDSPContext h; ff_blockdsp_init(&h, &avctx); check_clear(clear_block, 8 * 8); check_clear(clear_blocks, 8 * 8 * 6); report("blockdsp"); }