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garethlewin/Easier FourCC

Created February 6, 2014 20:50
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Easier FourCC
//This is a define I see all the time
#define MAKE_FOURCC( ch0, ch1, ch2, ch3 ) \
( (unsigned int)(unsigned char)(ch0) | ( (unsigned int)(unsigned char)(ch1) << 8 ) | \
( (unsigned int)(unsigned char)(ch2) << 16 ) | ( (unsigned int)(unsigned char)(ch3) << 24 ) )
// and I just don't get it, why prefer
uint32_t myFourCC = MAKE_FOURCC('a', 'b', 'c', 'd');
// over
uint32_t myFourceCC = 'abcd';
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