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libFLAC 1.3.1

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This commit is contained in:
Grigory Chudov
2014-12-08 23:20:01 -05:00
parent 6201101ccf
commit 80615c01fe
1332 changed files with 24682 additions and 32111 deletions
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29
flac/include/share/endswap.h
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@@ -1,5 +1,5 @@
/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2012 Xiph.org Foundation
* Copyright (C) 2012-2014 Xiph.org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -33,21 +33,46 @@
#if HAVE_BSWAP32 /* GCC and Clang */
/* GCC prior to 4.8 didn't provide bswap16 on x86_64 */
#if ! 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))
#elif defined _MSC_VER /* Windows. Apparently in <stdlib.h>. */
#define ENDSWAP_16(x) (_byteswap_ushort (x))
#define ENDSWAP_32(x) (_byteswap_ulong (x))
#elif defined HAVE_BYTESWAP_H /* Linux */
#include <byteswap.h>
#define ENDSWAP_16(x) (bswap_16 (x))
#define ENDSWAP_32(x) (bswap_32 (x))
#else
#define ENDSWAP_32(x) ((((x) >> 24) & 0xFF) + (((x) >> 8) & 0xFF00) + (((x) & 0xFF00) << 8) + (((x) & 0xFF) << 24))
#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))
#endif
/* Host to little-endian byte swapping. */
#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