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Setting the Time Format
Use the MCI_SET command message along with the MCI_SET_PARMS structure to set the time format for an open device. Set the dwTimeFormat member to one of the following constants.
Constant
| Time format
| MCI_FORMAT_BYTES
| Bytes (in pulse code modulated [PCM] format files)
| MCI_FORMAT_MILLISECONDS
| Milliseconds
| MCI_FORMAT_MSF
| Minute/second/frame
| MCI_FORMAT_SAMPLES
| Samples
| MCI_FORMAT_SMPTE_24
| SMPTE, 24 frame
| MCI_FORMAT_SMPTE_25
| SMPTE, 25 frame
| MCI_FORMAT_SMPTE_30
| SMPTE, 30 frame
| MCI_FORMAT_SMPTE_30DROP
| SMPTE, 30 frame drop
| MCI_FORMAT_TMSF
| Track/minute/second/frame
| MCI_SEQ_FORMAT_SONGPTR
| MIDI song pointer
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The following example sets the time format to milliseconds on the device
specified by the wDeviceID variable:
UINT wDeviceID;
MCI_SET_PARMS mciSetParms;
// Set time format to milliseconds.
mciSetParms.dwTimeFormat = MCI_FORMAT_MILLISECONDS;
if (mciSendCommand(wDeviceID, MCI_SET, MCI_SET_TIME_FORMAT,
(DWORD) &mciSetParms))
// Error, unable to set time format.
return FALSE;
else
// Time format set successfully.
return TRUE;
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