diff options
Diffstat (limited to 'ffmpeg_files/bswap.h')
-rw-r--r-- | ffmpeg_files/bswap.h | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/ffmpeg_files/bswap.h b/ffmpeg_files/bswap.h deleted file mode 100644 index 3bfa6aa631..0000000000 --- a/ffmpeg_files/bswap.h +++ /dev/null @@ -1,103 +0,0 @@ -/* - * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> - * - * This file is part of FFmpeg. - * - * FFmpeg 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. - * - * 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser 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 - */ - - -// This file in MPlayer is otherwise the same as in FFmpeg, except it -// includes "libavutil/common.h" instead of "common.h". - -/** - * @file libavutil/bswap.h - * byte swapping routines - */ - -#ifndef MP_AVUTIL_BSWAP_H -#define MP_AVUTIL_BSWAP_H - -#include <stdint.h> -#include "libavutil/common.h" -#include "config.h" - -#if ARCH_ARM -# include "arm/bswap.h" -#elif ARCH_BFIN -# include "bfin/bswap.h" -#elif ARCH_SH4 -# include "sh4/bswap.h" -#elif ARCH_X86 -# include "x86/bswap.h" -#endif - -#ifndef bswap_16 -static av_always_inline av_const uint16_t bswap_16(uint16_t x) -{ - x= (x>>8) | (x<<8); - return x; -} -#endif - -#ifndef bswap_32 -static av_always_inline av_const uint32_t bswap_32(uint32_t x) -{ - x= ((x<<8)&0xFF00FF00) | ((x>>8)&0x00FF00FF); - x= (x>>16) | (x<<16); - return x; -} -#endif - -#ifndef bswap_64 -static inline uint64_t av_const bswap_64(uint64_t x) -{ -#if 0 - x= ((x<< 8)&0xFF00FF00FF00FF00ULL) | ((x>> 8)&0x00FF00FF00FF00FFULL); - x= ((x<<16)&0xFFFF0000FFFF0000ULL) | ((x>>16)&0x0000FFFF0000FFFFULL); - return (x>>32) | (x<<32); -#else - union { - uint64_t ll; - uint32_t l[2]; - } w, r; - w.ll = x; - r.l[0] = bswap_32 (w.l[1]); - r.l[1] = bswap_32 (w.l[0]); - return r.ll; -#endif -} -#endif - -// be2me ... big-endian to machine-endian -// le2me ... little-endian to machine-endian - -#ifdef WORDS_BIGENDIAN -#define be2me_16(x) (x) -#define be2me_32(x) (x) -#define be2me_64(x) (x) -#define le2me_16(x) bswap_16(x) -#define le2me_32(x) bswap_32(x) -#define le2me_64(x) bswap_64(x) -#else -#define be2me_16(x) bswap_16(x) -#define be2me_32(x) bswap_32(x) -#define be2me_64(x) bswap_64(x) -#define le2me_16(x) (x) -#define le2me_32(x) (x) -#define le2me_64(x) (x) -#endif - -#endif /* AVUTIL_BSWAP_H */ |