Revision 0c76e635 libavutil/intreadwrite.h

View differences:

libavutil/intreadwrite.h
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#if   HAVE_ATTRIBUTE_PACKED


  		




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struct unaligned_64 { uint64_t l; } __attribute__((packed));


  		




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struct unaligned_32 { uint32_t l; } __attribute__((packed));


  		




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struct unaligned_16 { uint16_t l; } __attribute__((packed));


  		




  
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union unaligned_64 { uint64_t l; } __attribute__((packed)) av_alias;


  		




  
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union unaligned_32 { uint32_t l; } __attribute__((packed)) av_alias;


  		




  
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union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;


  		




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#   define AV_RN(s, p) (((const struct unaligned_##s *) (p))->l)


  		




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#   define AV_WN(s, p, v) ((((struct unaligned_##s *) (p))->l) = (v))


  		




  
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#   define AV_RN(s, p) (((const union unaligned_##s *) (p))->l)


  		




  
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#   define AV_WN(s, p, v) ((((union unaligned_##s *) (p))->l) = (v))


  		




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#elif defined(__DECC)


  		




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  ......




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#elif HAVE_FAST_UNALIGNED


  		




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#   define AV_RN(s, p) (*((const uint##s##_t*)(p)))


  		




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#   define AV_WN(s, p, v) (*((uint##s##_t*)(p)) = (v))


  		




  
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#   define AV_RN(s, p) (((const av_alias##s*)(p))->u##s)


  		




  
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#   define AV_WN(s, p, v) (((uint##s##_t*)(p))->u##s = (v))


  		




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#else


  		




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