/* * 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/bswapdsp.h" #include "libavutil/common.h" #include "libavutil/internal.h" #include "libavutil/intreadwrite.h" #define BUF_SIZE 512 #define randomize_buffers() \ do { \ int i; \ for (i = 0; i < BUF_SIZE; i += 4) { \ uint32_t r = rnd(); \ AV_WN32A(src0 + i, r); \ AV_WN32A(src1 + i, r); \ r = rnd(); \ AV_WN32A(dst0 + i, r); \ AV_WN32A(dst1 + i, r); \ } \ } while (0) #define check_bswap(type) \ do { \ int w; \ declare_func(void, type *dst, const type *src, int w); \ \ for (w = 0; w < BUF_SIZE / sizeof(type); w++) { \ int offset = (BUF_SIZE / sizeof(type) - w) & 15; /* Test various alignments */ \ randomize_buffers(); \ call_ref((type *)dst0 + offset, (type *)src0 + offset, w); \ call_new((type *)dst1 + offset, (type *)src1 + offset, w); \ if (memcmp(src0, src1, BUF_SIZE) || memcmp(dst0, dst1, BUF_SIZE)) \ fail(); \ bench_new((type *)dst1 + offset, (type *)src1 + offset, w); \ } \ } while (0) void checkasm_check_bswapdsp(void) { LOCAL_ALIGNED_16(uint8_t, src0, [BUF_SIZE]); LOCAL_ALIGNED_16(uint8_t, src1, [BUF_SIZE]); LOCAL_ALIGNED_16(uint8_t, dst0, [BUF_SIZE]); LOCAL_ALIGNED_16(uint8_t, dst1, [BUF_SIZE]); BswapDSPContext h; ff_bswapdsp_init(&h); if (check_func(h.bswap_buf, "bswap_buf")) check_bswap(uint32_t); if (check_func(h.bswap16_buf, "bswap16_buf")) check_bswap(uint16_t); report("bswap"); }