1#ifndef MP4V2_PLATFORM_ENDIAN_H
2#define MP4V2_PLATFORM_ENDIAN_H
6#define MP4V2_BYTESWAP_16(x) \
7 mp4v2::platform::uint16_t( ((mp4v2::platform::uint16_t(x) & 0xff00U) >> 8) \
8 | ((mp4v2::platform::uint16_t(x) & 0x00ffU) << 8) )
10#define MP4V2_BYTESWAP_32(x) \
11 mp4v2::platform::uint32_t( ((mp4v2::platform::uint32_t(x) & 0xff000000U) >> 24) \
12 | ((mp4v2::platform::uint32_t(x) & 0x00ff0000U) >> 8) \
13 | ((mp4v2::platform::uint32_t(x) & 0x0000ff00U) << 8) \
14 | ((mp4v2::platform::uint32_t(x) & 0x000000ffU) << 24) )
16#define MP4V2_BYTESWAP_64(x) \
17 mp4v2::platform::uint64_t( ((mp4v2::platform::uint64_t(x) & 0xff00000000000000ULL) >> 56) \
18 | ((mp4v2::platform::uint64_t(x) & 0x00ff000000000000ULL) >> 40) \
19 | ((mp4v2::platform::uint64_t(x) & 0x0000ff0000000000ULL) >> 24) \
20 | ((mp4v2::platform::uint64_t(x) & 0x000000ff00000000ULL) >> 8) \
21 | ((mp4v2::platform::uint64_t(x) & 0x00000000ff000000ULL) << 8) \
22 | ((mp4v2::platform::uint64_t(x) & 0x0000000000ff0000ULL) << 24) \
23 | ((mp4v2::platform::uint64_t(x) & 0x000000000000ff00ULL) << 40) \
24 | ((mp4v2::platform::uint64_t(x) & 0x00000000000000ffULL) << 56) )
28#if defined( __BIG_ENDIAN__ )
29# define MP4V2_HTONS(x) (x)
30# define MP4V2_HTONL(x) (x)
31# define MP4V2_NTOHS(x) (x)
32# define MP4V2_NTOHL(x) (x)
34# define MP4V2_HTONS(x) MP4V2_BYTESWAP_16(x)
35# define MP4V2_HTONL(x) MP4V2_BYTESWAP_32(x)
36# define MP4V2_NTOHS(x) MP4V2_BYTESWAP_16(x)
37# define MP4V2_NTOHL(x) MP4V2_BYTESWAP_32(x)