Media Playback luna-send commands.

Requests resources from the mediaserver. Typical usage is to request the number of audio and video decoders or other hardware components used by the pipeline. Acquire calls can be used to dynamically add more resources…

params: resources, connectionId

$ luna-send -n 1 -f luna://com.webos.media/acquire '{}'

Allows to transfer the control of a pipeline to be handed over to a different client. When this occurs, the original client gets notified that it got detached from the pipeline and can no longer control the pipeline.…

params: mediaId

$ luna-send -n 1 -f luna://com.webos.media/attach '{}'

Gets JSON formatted output of currently active media pipelines. Note: Typically, a luna methods returns a JSON object as response. However, in this case, an array of object will be returned.

params: mediaId

$ luna-send -n 1 -f luna://com.webos.media/getActivePipelines '{}'

Gets information about the display on which the specified application instance is launched. Note: This method supports multi-screen playback.

params: instanceId

$ luna-send -n 1 -f luna://com.webos.media/getDisplayId '{}'

Provides the application's foreground information.

params: subscribe

$ luna-send -n 1 -f luna://com.webos.media/getForegroundAppInfo '{}'

Requests the media server to retrieve pipeline state information.

params: mediaId

$ luna-send -n 1 -f luna://com.webos.media/getPipelineState '{}'

Loads a new pipeline for the specified URI. The media server returns a unique id to the client which is used for subsequent operations on the pipeline.

params: uri, type, payload

$ luna-send -n 1 -f luna://com.webos.media/load '{}'

Notifies the media server that the specific pipeline is currently in use. This command raises the timestamp record of the corresponding pipeline to lessen the chance to be picked as the target for a policyAction, which…

params: connectionId

$ luna-send -n 1 -f luna://com.webos.media/notifyActivity '{}'

Marks a pipeline as background. This API is called when the media object in question is carded, deleted, or otherwise removed from view. Note: Background video content is not currently visible on the display surface.

params: connectionId

$ luna-send -n 1 -f luna://com.webos.media/notifyBackground '{}'

Marks a pipeline as foreground. This API is called when the media object in question is un-carded and made visible. Note: Foreground pipeline video content is currently visible on the display surface.

params: connectionId

$ luna-send -n 1 -f luna://com.webos.media/notifyForeground '{}'

Notifies the playback status of media pipelines.

params: connectionId, pipelineStatus, pid

$ luna-send -n 1 -f luna://com.webos.media/notifyPipelineStatus '{}'

Requests the media server to pause the media object.

params: mediaId

$ luna-send -n 1 -f luna://com.webos.media/pause '{}'

Requests the media server to play the media object.

params: mediaId

$ luna-send -n 1 -f luna://com.webos.media/play '{}'

Dynamically adds more resources to the pipeline.

params: connectionId, resources

$ luna-send -n 1 -f luna://com.webos.media/reacquire '{}'

Media Content Provider (unmanaged) must register with Media Display Controller to allow proper management of video content and displays or audio outputs. NOTE: In managed case, this API is internally invoked from…

params: mediaId, appId

$ luna-send -n 1 -f luna://com.webos.media/registerMedia '{}'

Registers with the Resource Manager. Session is persistent across all start/end transaction and acquire/release cycles. Registered clients and their current resource requirements will be tracked by Resource Manager.…

params: type, appId

$ luna-send -n 1 -f luna://com.webos.media/registerPipeline '{}'

Informs media server the resources are released correctly and are not being used anymore. Note: This method is applicable for unmanaged pipelines only.

params: resources, connectionId

$ luna-send -n 1 -f luna://com.webos.media/release '{}'

Seeks the media object to a specified time position.

params: position, mediaId

$ luna-send -n 1 -f luna://com.webos.media/seek '{}'

Selects an audio or subtitle track of an open pipeline

params: mediaId, type, index

$ luna-send -n 1 -f luna://com.webos.media/selectTrack '{}'

Sets the pipeline media play rate.

params: playRate, mediaId, audioOutput

$ luna-send -n 1 -f luna://com.webos.media/setPlayRate '{}'

Sets subtitle background color for an open media pipeline

params: mediaId, bgColor

$ luna-send -n 1 -f luna://com.webos.media/setSubtitleBackgroundColor '{}'

Sets subtitle background opacity for an open media pipeline

params: mediaId, bgOpacity

$ luna-send -n 1 -f luna://com.webos.media/setSubtitleBackgroundOpacity '{}'

Sets subtitle character color (similar to setSubtitleColor, different values) for an open media pipeline

params: mediaId, charColor

$ luna-send -n 1 -f luna://com.webos.media/setSubtitleCharacterColor '{}'

Sets subtitle character opacity for an open media pipeline

params: mediaId, charOpacity

$ luna-send -n 1 -f luna://com.webos.media/setSubtitleCharacterOpacity '{}'

Sets subtitle color for an open media pipeline

params: mediaId, color

$ luna-send -n 1 -f luna://com.webos.media/setSubtitleColor '{}'

Shows or hides subtitles for an open media pipeline

params: mediaId, enable

$ luna-send -n 1 -f luna://com.webos.media/setSubtitleEnable '{}'

Sets subtitle text encoding for an open media pipeline

params: mediaId, encoding

$ luna-send -n 1 -f luna://com.webos.media/setSubtitleEncoding '{}'

Sets subtitle font size for an open media pipeline

params: mediaId, fontSize

$ luna-send -n 1 -f luna://com.webos.media/setSubtitleFontSize '{}'

Sets subtitle vertical position for an open media pipeline

params: mediaId, position

$ luna-send -n 1 -f luna://com.webos.media/setSubtitlePosition '{}'

Loads an external subtitle file for an open pipeline

params: mediaId, uri, preferredEncodings

$ luna-send -n 1 -f luna://com.webos.media/setSubtitleSource '{}'