record

The record command starts recording data. VCR and waveform-audio devices recognize this command. Although digital-video devices and MIDI sequencers also recognize this command, the MCIAVI and MCISEQ drivers do not implement it.

wsprintf(lpstrCommand, "record %s %s %s", lpszDeviceID, lpszRecordFlags,
lpszFlags);

Parameters

lpszDeviceID

Identifier of an MCI device. This identifier or alias is assigned when the device is opened.

lpszRecordFlags

Flag for recording data. The following table lists device types that recognize the record command and the flags used by each type:

digitalvideo	at rectangle audio stream stream from position hold	insert overwrite to position video stream stream
sequencer	from position insert	overwrite to position
cr	at time from position initialize	insert overwrite to position
waveaudio	from position insert	overwrite to position

The following table lists the flags that can be specified in the lpszRecordFlags parameter and their meanings:

at rectangle	Specifies a rectangular region of the external input used as the source for the pixels compressed and saved. If not specified, the rectangle defaults to the rectangle specified for put "video". When it is set differently from the "video" rectangle, the displayed image is not what is recorded.
at time	Indicates when the device should begin performing this command, or, if the device has been cued, when the cued command begins. For more information, see the cue command.
audio stream stream	Specifies the audio stream used for recording. If this flag is not specified and the file format does not define a default, it is recorded into the stream that is physically first.
from position	Specifies a starting position for the recording. If the "from" flag is not specified, the device starts recording at the current position.
hold	Freezes the image when recording has finished instead of showing live video. When recording stops, an automatic monitor "file" command is performed. To return to live video, issue the monitor "input" command.
initialize	Initialize the tape (media), which involves recording timecode (if possible) for blank video and audio. This command might take several hours if the entire tape must be initialized.
insert	Specifies that new data is added to the file at the current position.
overwrite	Specifies that new data will replace data in the file.
to position	Specifies an ending position for the recording. If the "to" flag is not specified, the device records until it receives a stop or pause command.
ideo stream stream	Specifies the video stream used for recording. If this is not specified and the file format does not define a default, then it is recorded into the stream that is physically first.

lpszFlags

Can be "wait", "notify", or both. For digital-video and VCR devices, "test" can also be specified. For more information about these flags, see The Wait, Notify, and Test Flags.

Return Values

Returns zero if successful or an error otherwise.

Remarks

The recording stops when a stop or pause command is issued. For the MCIWAVE driver, all data recorded after a file is opened is discarded if the file is closed without saving it.

Before issuing any commands that use position values, you should set the desired time format by using the set command. The tracks to be recorded are specified by the settimecode "record", set "assemble record", setvideo "record", and setaudio "record" commands.

The following command starts recording at the current position:

record mysound

See Also

cue, monitor, pause, put, set, setaudio, settimecode, setvideo, stop

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