In c++ define FCC how do this in fasm ?

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Roman

Joined: 21 Apr 2012
Posts: 1840

Roman 03 Mar 2017, 12:48

How translate this to fasm code ?

Code:

#ifndef FCC
#define FCC(ch4) ((((DWORD)(ch4) & 0xFF) << 24) |     \
                  (((DWORD)(ch4) & 0xFF00) << 8) |    \
                  (((DWORD)(ch4) & 0xFF0000) >> 8) |  \
                  (((DWORD)(ch4) & 0xFF000000) >> 24))
#endif

03 Mar 2017, 12:48

Roman

Joined: 21 Apr 2012
Posts: 1840

Roman 03 Mar 2017, 12:51

MFVideoFormat_MP4S, FCC('MP4S')
How i understood FCC get 'MP4S' and output some Int32 value.

03 Mar 2017, 12:51

revolution
When all else fails, read the source

Joined: 24 Aug 2004
Posts: 20430
Location: In your JS exploiting you and your system

revolution 03 Mar 2017, 13:06

Code:

bswap eax

03 Mar 2017, 13:06

Roman

Joined: 21 Apr 2012
Posts: 1840

Roman 03 Mar 2017, 14:41

You mean FCC('MP4S') output 'S4PM' ?

03 Mar 2017, 14:41

revolution
When all else fails, read the source

Joined: 24 Aug 2004
Posts: 20430
Location: In your JS exploiting you and your system

revolution 03 Mar 2017, 23:08

Yes.

03 Mar 2017, 23:08

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