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Make bswap.h safe to install as public API

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Originally committed as revision 24171 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2010-07-10 22:21:55 +00:00
parent 6a01eab73c
commit 1fc81e73dd
1 changed files with 8 additions and 2 deletions
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10
libavutil/bswap.h
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@ -27,9 +27,13 @@
#define AVUTIL_BSWAP_H #define AVUTIL_BSWAP_H
#include <stdint.h> #include <stdint.h>
#include "config.h" #include "libavutil/avconfig.h"
#include "attributes.h" #include "attributes.h"
#ifdef HAVE_AV_CONFIG_H
#include "config.h"
#if ARCH_ARM #if ARCH_ARM
# include "arm/bswap.h" # include "arm/bswap.h"
#elif ARCH_AVR32 #elif ARCH_AVR32
@ -42,6 +46,8 @@
# include "x86/bswap.h" # include "x86/bswap.h"
#endif #endif
#endif /* HAVE_AV_CONFIG_H */
#define AV_BSWAP16C(x) (((x) << 8 & 0xff00) | ((x) >> 8 & 0x00ff)) #define AV_BSWAP16C(x) (((x) << 8 & 0xff00) | ((x) >> 8 & 0x00ff))
#define AV_BSWAP32C(x) (AV_BSWAP16C(x) << 16 | AV_BSWAP16C((x) >> 16)) #define AV_BSWAP32C(x) (AV_BSWAP16C(x) << 16 | AV_BSWAP16C((x) >> 16))
#define AV_BSWAP64C(x) (AV_BSWAP32C(x) << 32 | AV_BSWAP32C((x) >> 32)) #define AV_BSWAP64C(x) (AV_BSWAP32C(x) << 32 | AV_BSWAP32C((x) >> 32))
@ -88,7 +94,7 @@ static inline uint64_t av_const av_bswap64(uint64_t x)
// be2ne ... big-endian to native-endian // be2ne ... big-endian to native-endian
// le2ne ... little-endian to native-endian // le2ne ... little-endian to native-endian
#if HAVE_BIGENDIAN #if AV_HAVE_BIGENDIAN
#define av_be2ne16(x) (x) #define av_be2ne16(x) (x)
#define av_be2ne32(x) (x) #define av_be2ne32(x) (x)
#define av_be2ne64(x) (x) #define av_be2ne64(x) (x)