Extron electronic JMP 9600 manual Playback commands, Key

Command/response table for MSVPP commands (continued)

Command	MSVPP Command	Response	Additional description
	(host to unit)	(unit to host)

Media management (continued)

Switch to a new playlist SwitchPlaylist•X#•X$} OK]

Example:	SwitchPlaylist•1•Canyon•Documentary.espl.xml}
		OK]
Clear a playlist	ClearPlaylist•X$}	OK]
Delete a playlist	DeletePlaylist•X$}	OK]

Set playlist X$ to start automatically on channel X# once the currently-running clip ends.

Set the canyon documentary playlist to start automatically on channel 1 once the currently-running playlist ends.

Clear all clips from a playlist. Delete a playlist.

Playback commands

Play	Play•X#}	OK]
Play with effects	Play•X#•X^}	OK]
Example 1:	Play•1•2.5}	OK]
Example 2:	Play•1•–1.0}	OK]

Play the clip or playlist that is currently loaded on channel X#.

Play the clip or playlist that is currently loaded on channel X# in a direction and speed specified by X^. Play channel 1 video forward at 2.5 times normal speed. Play channel 1 video backwards at normal speed.

JMP 9600 Media Player • Programming Guide 63

NOTE: The audio portion of the clip is active only when the playback speed is +1.0.

Pause	Pause•X#}	OK]	Pause the clip that is currently playing on channel X#.
Stop	Stop•X#}	OK]	Stop the clip that is currently playing on channel X#.
Frame forward and	FrameAdvance•X#•X&}	OK]	Jump forward or backward X& frames in the video
frame backward			paused in channel X#.

NOTE: The clip must have been started and then paused for this command to have any affect. If the clip is running or has not been started, the media player responds with OK, but there is no affect on the video display.

Next	Next•X#}	OK]	Jump to the next clip in the currently loaded playlist.
NOTE: The media player responds with ERROR if no playlist is loaded.
Previous	Previous•X#}	OK]	Jump to the previous clip in the currently loaded playlist.

NOTE: The media player responds with ERROR if no playlist is loaded.

Seek	Seek•X#•X*}		OK]	Jump to the specified frame (X*) in the clip that is
				currently playing or paused on channel X#.
KEY:	X# = Output	1 = channel 1	2 = channel 2	1,2 = both channels
	X$ = Playlist name	Name of a playlist file (such as “Canyon documentary.espl.xml”)
	X^ = Play speed	Speed at which to play video, where:
		1.0 is normal speed, 2.0 is 2x normal speed, and so on
		A positive value (+) is forward video (+ is assumed if no direction is specified)
		A negative value (–) is reverse video
	X& = Frame count for advance command	Fractional speeds are rounded up or down to the 3rd decimal place (0.000)
		Number of video frames to jump forward or backward, where:
		A positive value (+) is forward (+ is assumed if no direction is specified)
	X* = Frame count for seek command	A negative value (–) is reverse
		nn:nn:nn:nn (“hour”:”minute”:”second”:”frame”)