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| | {{See also|DBus-spec|DBus-usage}} |
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| == TODO for DBus integration == | | == TODO for DBus integration == |
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| === List all signals, methods with their arguments and return value ===
| | VLC implements [[DBus-spec]], a desktop-neutral document, that aims to be suitable for every Media Players. |
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| === Decide service bahaviour === | | === Decide service behaviour === |
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| Could vlc be a on-demand startable service, would it be useful ? | | Could vlc be a on-demand startable service, would it be useful ? |
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| We just have to create a /usr/share/dbus-1/org.videolan.vlc.service: | | We just have to create a /usr/share/dbus-1/org.freedesktop.MediaPlayer.service: |
| ----
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| | <syntaxhighlight lang="ini"> |
| [D-BUS Service] | | [D-BUS Service] |
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| Name=org.videolan.vlc | | Name=org.freedesktop.MediaPlayer |
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| Exec=/usr/bin/vlc -I dummy --control dbus | | Exec=/usr/bin/vlc -I dummy --control dbus |
| ----
| | </syntaxhighlight> |
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| === Clarify one instance mode ===
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| Now if vlc is built with D-Bus >= 1.0.0 it will automatically register org.videolan.vlc, and no other instances of vlc will be allowed to replace the service.
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| When vlc starts it registers the org.videolan.vlc service on the session bus
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| * if it succeeds, it register '/' object on it
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| * if it fails:
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| ** if "one-instance" is false, just warn that it didn't register the service
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| ** if "one-instance" is true, the mrls given on the command line are passed to the owner of org.videolan.vlc through D-Bus interface
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| When D-Bus control interface starts, it does:
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| # unregister '/'
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| # register '/org/videolan/vlc'
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| === Missing features ===
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| volume control => VolumeGet and VolumeSet
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| playlist => hard.... could we use xspf ?
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| timing of the input element (position, jump)
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| preferences ?
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| == List of signals and methods ==
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| === Signals ===
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| 'ItemChange' 's' : Emitted when a new input element is played, the string contains the filename, or the input name if it has some metadata.
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| 'NewInstance' 'i' : Emitted when vlc control interface is started, with vlc pid
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| === Methods ===
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| ''''Method' (input signature) = (output signature) : description'''
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| 'GetPlayStatus' () = (s) : return "play" "pause" "stopped" or "unknown"
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| 'GetPlayingItem' () = (s) : return the filename of the current item being played, or it's name if it has some metadata. Same data provided by "ItemChange"
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| 'ToglePause' () = (b) : toggle the play/pause status, and start playing if it was stopped, return true if playing, false if paused
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| 'AddMRL' (sb) = () : add string to the playlist, and play it if bool is true
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| 'Nothing' () = () : do nothing, just here for tests, and code example
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| 'Quit' () = () : exits vlc
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| 'Stop' () = () : stop playlist
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| 'Prev' () = () : plays previous playlist item
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| 'Next' () = () : plays next playlist item
| | [[Category:Development]] |
TODO for DBus integration
VLC implements DBus-spec, a desktop-neutral document, that aims to be suitable for every Media Players.
Decide service behaviour
Could vlc be a on-demand startable service, would it be useful ?
We just have to create a /usr/share/dbus-1/org.freedesktop.MediaPlayer.service:
[D-BUS Service]
Name=org.freedesktop.MediaPlayer
Exec=/usr/bin/vlc -I dummy --control dbus