Add alias-safe union typedefs

Originally committed as revision 21877 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2010-02-18 13:40:19 +00:00
parent 024bf79fe0
commit d10458c9e2

View File

@ -22,6 +22,28 @@
#include <stdint.h>
#include "config.h"
#include "bswap.h"
#include "common.h"
typedef union {
uint64_t u64;
uint32_t u32[2];
uint16_t u16[4];
uint8_t u8 [8];
double f64;
float f32[2];
} av_alias av_alias64;
typedef union {
uint32_t u32;
uint16_t u16[2];
uint8_t u8 [4];
float f32;
} av_alias av_alias32;
typedef union {
uint16_t u16;
uint8_t u8 [2];
} av_alias av_alias16;
/*
* Arch-specific headers can provide any combination of