/* * Copyright (c) 2017 James Almer * * 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/avcodec.h" #include "libavcodec/exrdsp.h" #include "libavutil/intreadwrite.h" #define BUF_SIZE 5120 #define PADDED_BUF_SIZE BUF_SIZE+AV_INPUT_BUFFER_PADDING_SIZE*2 #define randomize_buffers() \ do { \ int i; \ for (i = 0; i < BUF_SIZE; i += 4) { \ uint32_t r = rnd(); \ AV_WN32A(src + i, r); \ } \ } while (0) static void check_reorder_pixels(void) { LOCAL_ALIGNED_32(uint8_t, src, [PADDED_BUF_SIZE]); LOCAL_ALIGNED_32(uint8_t, dst_ref, [PADDED_BUF_SIZE]); LOCAL_ALIGNED_32(uint8_t, dst_new, [PADDED_BUF_SIZE]); declare_func(void, uint8_t *dst, const uint8_t *src, ptrdiff_t size); memset(src, 0, PADDED_BUF_SIZE); memset(dst_ref, 0, PADDED_BUF_SIZE); memset(dst_new, 0, PADDED_BUF_SIZE); randomize_buffers(); call_ref(dst_ref, src, BUF_SIZE); call_new(dst_new, src, BUF_SIZE); if (memcmp(dst_ref, dst_new, BUF_SIZE)) fail(); bench_new(dst_new, src, BUF_SIZE); } static void check_predictor(void) { LOCAL_ALIGNED_32(uint8_t, src, [PADDED_BUF_SIZE]); LOCAL_ALIGNED_32(uint8_t, dst_ref, [PADDED_BUF_SIZE]); LOCAL_ALIGNED_32(uint8_t, dst_new, [PADDED_BUF_SIZE]); declare_func(void, uint8_t *src, ptrdiff_t size); memset(src, 0, PADDED_BUF_SIZE); randomize_buffers(); memcpy(dst_ref, src, PADDED_BUF_SIZE); memcpy(dst_new, src, PADDED_BUF_SIZE); call_ref(dst_ref, BUF_SIZE); call_new(dst_new, BUF_SIZE); if (memcmp(dst_ref, dst_new, BUF_SIZE)) fail(); bench_new(dst_new, BUF_SIZE); } void checkasm_check_exrdsp(void) { ExrDSPContext h; ff_exrdsp_init(&h); if (check_func(h.reorder_pixels, "reorder_pixels")) check_reorder_pixels(); report("reorder_pixels"); if (check_func(h.predictor, "predictor")) check_predictor(); report("predictor"); }