MCI_MAKE_TMSF macro

Article
12/11/2020

The MCI_MAKE_TMSF macro creates a time value in packed tracks/minutes/seconds/frames (TMSF) format from the given tracks, minutes, seconds, and frames values.

Syntax

DWORD MCI_MAKE_TMSF(
   BYTE tracks,
   BYTE minutes,
   BYTE seconds,
   BYTE frames
);

Parameters

tracks: Number of tracks.
minutes: Number of minutes.
seconds: Number of seconds.
frames: Number of frames.

Return value

Returns the time in packed TMSF format.

Remarks

Time in TMSF format is expressed as a DWORD value with the least significant byte containing tracks, the next least significant byte containing minutes, the next least significant byte containing seconds, and the most significant byte containing frames.

The MCI_MAKE_TMSF macro is defined as follows:

#define MCI_MAKE_TMSF(t, m, s, f) ((DWORD)(((BYTE)(t) | \ 
                                  ((WORD)(m) << 8)) | \ 
                                  (((DWORD)(BYTE)(s) | \ 
                                  ((WORD)(f) << 8)) << 16)))

Requirements

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Header	Mciapi.h