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MCI_VCR_SET_PARMS
The MCI_VCR_SET_PARMS structure contains parameters for the MCI_SET command for video-cassette recorders.
typedef struct tagMCI_VCR_SET_PARMS {
DWORD dwCallback;
DWORD dwTimeFormat;
DWORD dwAudio;
DWORD dwTimeMode;
DWORD dwRecordFormat;
DWORD dwCounterFormat;
DWORD dwIndex;
DWORD dwTracking;
DWORD dwSpeed;
DWORD dwLength;
DWORD dwCounter;
DWORD dwClock;
DWORD dwPauseTimeout;
DWORD dwPrerollDuration;
DWORD dwPostrollDuration;
} MCI_VCR_SET_PARMS;
Members
dwCallback
The low-order word specifies a window handle used for the MCI_NOTIFY flag.
dwTimeFormat
Current time format.
dwAudio
Not used.
dwTimeMode
Constant that specifies the timing source used by the device. The timing
source is either a timecode recorded on videotape, or the counters in the device
that sense videotape movement.
dwRecordFormat
Recording rate.
dwCounterFormat
Format of a new counter time value.
dwIndex
Contents of on-screen display.
dwTracking
Speed adjustment used when tracking the VCR playback rate.
dwSpeed
Playback speed used by the device as an integer. Normal playback speed is
1000, double speed is 2000, and half speed is 500.
dwLength
Videotape length when the length is undetectable by the device.
dwCounter
New counter value.
dwClock
New clock time.
dwPauseTimeout
New timeout value for pause command.
dwPrerollDuration
Videotape length needed to stabilize the VCR output.
dwPostrollDuration
Videotape length needed to brake the VCR transport when a MCI_STOP or MCI_PAUSE command is issued.
Remarks
When assigning data to the members of this structure, set the corresponding
flags in the fdwCommand parameter of the mciSendCommand function to validate the members.
See Also
MCI_PAUSE, MCI_SET, MCI_STOP, mciSendCommand
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