diff -r c4fd2813b127 -r d92eeb468dad misc/winutils/include/libavutil/bswap.h --- a/misc/winutils/include/libavutil/bswap.h Wed Jul 31 23:14:27 2019 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,109 +0,0 @@ -/* - * copyright (c) 2006 Michael Niedermayer - * - * This file is part of Libav. - * - * Libav is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * Libav 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/** - * @file - * byte swapping routines - */ - -#ifndef AVUTIL_BSWAP_H -#define AVUTIL_BSWAP_H - -#include -#include "libavutil/avconfig.h" -#include "attributes.h" - -#ifdef HAVE_AV_CONFIG_H - -#include "config.h" - -#if ARCH_ARM -# include "arm/bswap.h" -#elif ARCH_AVR32 -# include "avr32/bswap.h" -#elif ARCH_BFIN -# include "bfin/bswap.h" -#elif ARCH_SH4 -# include "sh4/bswap.h" -#elif ARCH_X86 -# include "x86/bswap.h" -#endif - -#endif /* HAVE_AV_CONFIG_H */ - -#define AV_BSWAP16C(x) (((x) << 8 & 0xff00) | ((x) >> 8 & 0x00ff)) -#define AV_BSWAP32C(x) (AV_BSWAP16C(x) << 16 | AV_BSWAP16C((x) >> 16)) -#define AV_BSWAP64C(x) (AV_BSWAP32C(x) << 32 | AV_BSWAP32C((x) >> 32)) - -#define AV_BSWAPC(s, x) AV_BSWAP##s##C(x) - -#ifndef av_bswap16 -static av_always_inline av_const uint16_t av_bswap16(uint16_t x) -{ - x= (x>>8) | (x<<8); - return x; -} -#endif - -#ifndef av_bswap32 -static av_always_inline av_const uint32_t av_bswap32(uint32_t x) -{ - return AV_BSWAP32C(x); -} -#endif - -#ifndef av_bswap64 -static inline uint64_t av_const av_bswap64(uint64_t x) -{ - return (uint64_t)av_bswap32(x) << 32 | av_bswap32(x >> 32); -} -#endif - -// be2ne ... big-endian to native-endian -// le2ne ... little-endian to native-endian - -#if AV_HAVE_BIGENDIAN -#define av_be2ne16(x) (x) -#define av_be2ne32(x) (x) -#define av_be2ne64(x) (x) -#define av_le2ne16(x) av_bswap16(x) -#define av_le2ne32(x) av_bswap32(x) -#define av_le2ne64(x) av_bswap64(x) -#define AV_BE2NEC(s, x) (x) -#define AV_LE2NEC(s, x) AV_BSWAPC(s, x) -#else -#define av_be2ne16(x) av_bswap16(x) -#define av_be2ne32(x) av_bswap32(x) -#define av_be2ne64(x) av_bswap64(x) -#define av_le2ne16(x) (x) -#define av_le2ne32(x) (x) -#define av_le2ne64(x) (x) -#define AV_BE2NEC(s, x) AV_BSWAPC(s, x) -#define AV_LE2NEC(s, x) (x) -#endif - -#define AV_BE2NE16C(x) AV_BE2NEC(16, x) -#define AV_BE2NE32C(x) AV_BE2NEC(32, x) -#define AV_BE2NE64C(x) AV_BE2NEC(64, x) -#define AV_LE2NE16C(x) AV_LE2NEC(16, x) -#define AV_LE2NE32C(x) AV_LE2NEC(32, x) -#define AV_LE2NE64C(x) AV_LE2NEC(64, x) - -#endif /* AVUTIL_BSWAP_H */