/* * 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 #include "checkasm.h" #include "libavcodec/bswapdsp.h" #include "libavutil/common.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;\ 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) { DECLARE_ALIGNED(16, uint8_t, src0)[BUF_SIZE]; DECLARE_ALIGNED(16, uint8_t, src1)[BUF_SIZE]; DECLARE_ALIGNED(16, uint8_t, dst0)[BUF_SIZE]; DECLARE_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"); }