MMTIME (Windows CE 5.0)

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This structure contains timing information for different types of multimedia data.

typedef struct mmtime_tag {UINT wType; union {DWORD ms; DWORD sample; DWORD cb; DWORD ticks; struct {BYTE hour; BYTE min; BYTE sec; BYTE frame; BYTE fps; BYTE dummy; BYTE pad[2]} smpte; struct {DWORD songptrpos;} midi; } u; } MMTIME;

Members

• wType
  Time format.

  The following table shows the possible values for wType.

  Value	Description
  TIME_BYTES	Current byte offset from beginning of the file.
  TIME_MIDI	MIDI time.
  TIME_MS	Time in milliseconds.
  TIME_SAMPLES	Number of waveform-audio samples.
  TIME_SMPTE	Society of Motion Picture and Television Engineers (SMPTE) time.
  TIME_TICKS	Ticks within a MIDI stream.

• ms
  Number of milliseconds. Used when wType is TIME_MS.

• sample
  Number of samples. Used when wType is TIME_SAMPLES.

• cb
  Byte count. Used when wType is TIME_BYTES.

• ticks
  Ticks in MIDI stream. Used when wType is TIME_TICKS.

• smpte
  SMPTE time structure. Used when wType is TIME_SMPTE.

• songptrpos
  Song pointer position.

• midi
  MIDI time structure. Used when wType is TIME_MIDI.

• hour
  Hours.

• min
  Minutes.

• sec
  Seconds.

• frame
  Frames.

• fps
  Frames per second: 24, 25, 29 (30 drop), or 30.

• dummy
  Dummy byte for alignment.

• pad
  Padding.

Requirements

OS Versions: Windows CE 2.0 and later.
Header: Mmsystem.h.

See Also

Time Reference

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