Device Control
Device Control methods programmatically control video devices via AVC commands.
Some hardware devices (notably DV/miniDV) can be controlled remotely via a protocol called AVC. Because AVC functionality is hardware-dependent, the device control methods in this section may work with only some devices.
| Method | Parameters | Return Value | Function |
| DeviceControlAVCCommand | Opcode1 as Integer, Opcode2 as Integer, Opcode3 as Integer, Opcode4 as Integer | --- | Send an AVC command manually to a device. An AVC command consists of four opcodes. You can perform any AVC function with this method, even those functions which do not appear in this API. Check the Internet for a complete listing of AVC commands and the corresponding operands. |
| DeviceControlFastForward | --- | --- | Advances the device in fast forward mode. |
| DeviceControlFastForwardPlay | --- | --- | Advances the device in fast forward mode while simultaneously playing the video. |
| DeviceControlFreeze | --- | --- | Pauses the video in a freeze frame mode. |
| DeviceControlNextFrame | --- | --- | Advances the device to the frame that follows the current frame. |
| DeviceControlPlay | --- | --- | Plays the device. |
| DeviceControlPreviousFrame | --- | --- | Advances the device to the frame that precedes the current frame. |
| DeviceControlRecord | --- | --- | Puts the device in record mode. WARNING: This function will overwrite any data on the device's media. |
| DeviceControlRewind | --- | --- | Advances the device in rewind mode. |
| DeviceControlRewindPlay | --- | --- | Advances the device in rewind mode while simultaneously playing the video. |
| DeviceControlSlowForward | --- | --- | Plays the device at a reduced speed. |
| DeviceControlSlowReverse | --- | --- | Plays the device in reverse at a reduced speed. |
| DeviceControlStop | --- | --- | Stops the device. |
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