///////////////////////////////////////////////////////////////////////////////
//
//  The contents of this file are subject to the Mozilla Public License
//  Version 1.1 (the "License"); you may not use this file except in
//  compliance with the License. You may obtain a copy of the License at
//  http://www.mozilla.org/MPL/
//
//  Software distributed under the License is distributed on an "AS IS"
//  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
//  License for the specific language governing rights and limitations
//  under the License.
//
//  The Original Code is MP4v2.
//
//  The Initial Developer of the Original Code is Kona Blend.
//  Portions created by Kona Blend are Copyright (C) 2008.
//  All Rights Reserved.
//
//  Contributors:
//      Kona Blend, kona8lend@@gmail.com
//
///////////////////////////////////////////////////////////////////////////////

#ifndef MP4V2_PLATFORM_ENDIAN_H
#define MP4V2_PLATFORM_ENDIAN_H

///////////////////////////////////////////////////////////////////////////////

#define MP4V2_BYTESWAP_16(x) \
    mp4v2::platform::uint16_t( ((mp4v2::platform::uint16_t(x) & 0xff00U) >> 8) \
                             | ((mp4v2::platform::uint16_t(x) & 0x00ffU) << 8) )
                           
#define MP4V2_BYTESWAP_32(x) \
    mp4v2::platform::uint32_t( ((mp4v2::platform::uint32_t(x) & 0xff000000U) >> 24) \
                             | ((mp4v2::platform::uint32_t(x) & 0x00ff0000U) >>  8) \
                             | ((mp4v2::platform::uint32_t(x) & 0x0000ff00U) <<  8) \
                             | ((mp4v2::platform::uint32_t(x) & 0x000000ffU) << 24) )

#define MP4V2_BYTESWAP_64(x) \
    mp4v2::platform::uint64_t( ((mp4v2::platform::uint64_t(x) & 0xff00000000000000ULL) >> 56) \
                             | ((mp4v2::platform::uint64_t(x) & 0x00ff000000000000ULL) >> 40) \
                             | ((mp4v2::platform::uint64_t(x) & 0x0000ff0000000000ULL) >> 24) \
                             | ((mp4v2::platform::uint64_t(x) & 0x000000ff00000000ULL) >>  8) \
                             | ((mp4v2::platform::uint64_t(x) & 0x00000000ff000000ULL) <<  8) \
                             | ((mp4v2::platform::uint64_t(x) & 0x0000000000ff0000ULL) << 24) \
                             | ((mp4v2::platform::uint64_t(x) & 0x000000000000ff00ULL) << 40) \
                             | ((mp4v2::platform::uint64_t(x) & 0x00000000000000ffULL) << 56) )
                           
///////////////////////////////////////////////////////////////////////////////

#if defined( __BIG_ENDIAN__ )
#   define MP4V2_HTONS(x)  (x)
#   define MP4V2_HTONL(x)  (x)
#   define MP4V2_NTOHS(x)  (x)
#   define MP4V2_NTOHL(x)  (x)
#else
#   define MP4V2_HTONS(x)  MP4V2_BYTESWAP_16(x)
#   define MP4V2_HTONL(x)  MP4V2_BYTESWAP_32(x)
#   define MP4V2_NTOHS(x)  MP4V2_BYTESWAP_16(x)
#   define MP4V2_NTOHL(x)  MP4V2_BYTESWAP_32(x)
#endif

///////////////////////////////////////////////////////////////////////////////

#endif // MP4V2_PLATFORM_ENDIAN_H