Torque3D/Engine/lib/flac/include/share/endswap.h
marauder2k7 a745fc3757 Initial commit
added libraries:
opus
flac
libsndfile

updated:
libvorbis
libogg
openal

- Everything works as expected for now. Bare in mind libsndfile needed the check for whether or not it could find the xiph libraries removed in order for this to work.
2024-03-21 17:33:47 +00:00

85 lines
2.9 KiB
C

/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2012-2023 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* It is assumed that this header will be included after "config.h". */
#ifdef HAVE_BSWAP32 /* GCC and Clang */
/* GCC prior to 4.8 didn't provide bswap16 on x86_64 */
#ifndef HAVE_BSWAP16
static inline unsigned short __builtin_bswap16(unsigned short a)
{
return (a<<8)|(a>>8);
}
#endif
#define ENDSWAP_16(x) (__builtin_bswap16 (x))
#define ENDSWAP_32(x) (__builtin_bswap32 (x))
#define ENDSWAP_64(x) (__builtin_bswap64 (x))
#elif defined _MSC_VER /* Windows */
#include <stdlib.h>
#define ENDSWAP_16(x) (_byteswap_ushort (x))
#define ENDSWAP_32(x) (_byteswap_ulong (x))
#define ENDSWAP_64(x) (_byteswap_uint64 (x))
#elif defined HAVE_BYTESWAP_H /* Linux */
#include <byteswap.h>
#define ENDSWAP_16(x) (bswap_16 (x))
#define ENDSWAP_32(x) (bswap_32 (x))
#define ENDSWAP_64(x) (bswap_64 (x))
#else
#define ENDSWAP_16(x) ((((x) >> 8) & 0xFF) | (((x) & 0xFF) << 8))
#define ENDSWAP_32(x) ((((x) >> 24) & 0xFF) | (((x) >> 8) & 0xFF00) | (((x) & 0xFF00) << 8) | (((x) & 0xFF) << 24))
#define ENDSWAP_64(x) ((ENDSWAP_32(((x) >> 32) & 0xFFFFFFFF)) | (ENDSWAP_32((x) & 0xFFFFFFFF) << 32))
#endif
/* Host to little-endian byte swapping (for MD5 calculation) */
#if CPU_IS_BIG_ENDIAN
#define H2LE_16(x) ENDSWAP_16 (x)
#define H2LE_32(x) ENDSWAP_32 (x)
#else
#define H2LE_16(x) (x)
#define H2LE_32(x) (x)
#endif