mmioFOURCC
The
mmioFOURCC macro converts four characters into a four-character code.
FOURCC mmioFOURCC(
CHAR ch0,
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|
CHAR ch1,
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|
CHAR ch2,
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|
CHAR ch3
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);
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Parameters
ch0,
ch1,
ch2, and
ch3
First, second, third, and fourth characters of the four-character code.
Return Values
Returns the four-character code created from the given characters.
Remarks
This macro does not check whether the four-character code it returns is valid.
The
mmioFOURCC macro is defined as follows:
#define mmioFOURCC(ch0, ch1, ch2, ch3) \
MAKEFOURCC(ch0, ch1, ch2, ch3);
The
MAKEFOURCC macro, in turn, is defined as follows:
#define MAKEFOURCC(ch0, ch1, ch2, ch3) \
((DWORD)(BYTE)(ch0) | ((DWORD)(BYTE)(ch1) << 8) | \
((DWORD)(BYTE)(ch2) << 16) | ((DWORD)(BYTE)(ch3) << 24 ));
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