API

API Methods

• misc
  • listDevices
• media
  • playMedia
  • getDuration
  • getPosition
  • getStatus
• controls
  • fastForward
  • jumpTo
  • next
  • pause
  • play
  • previous
  • rewind
  • seek
  • stop
• volume
  • getVolume
  • setVolume
  • volumeDown
  • volumeUp

luna://com.alanstice.cast.service/listDevices

Indicate the service should start discovery (if it has not already).

Parameters:

Name	Required	Type	Description
subscribe	true	Boolean	subscribe should be true - service will only discover devices while an application is subscribed to device list.

Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be false for requests. Applications must subscribe to receive device list

Subscription Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise
subscribed	false	Boolean	subscribed will be true if the subscription is successful, false otherwise
devices	false	Device Array	devices will contain an array of Device objects.
event	false	String	event will be one of ["found", "lost"]
device	false	Device	device will be the modified device

Error Codes:

None

Examples:

  luna-send -n 1 -f luna://com.alanstice.cast.service/listDevices {}
  {
    "returnValue": false,
    "errorCode": 405,
    "errorText": "Request not allowed, please subscribe"
  }

  luna-send -i -f luna://com.alanstice.cast.service/listDevices '{"subscribe": true}'
  {
    "returnValue": true,
    "subscribed": true,
    "devices": []
  }
  {
    "event": "found",
    "device": {
      "id": "0",
      "name": "LG webOS TV",
      "type": "webOS"
    },
    "devices": [
      {
        "id": "0",
        "name": "LG webOS TV",
        "type": "webOS"
      }
    ]
  }
  {
    "event": "lost",
    "device": {
      "id": "0",
      "name": "LG webOS TV",
      "type": "webOS"
    },
    "devices": []
  }

luna://com.alanstice.cast.service/playMedia

Cast media (audio, video, image) to a device

Parameters:

Name	Required	Type	Description
target	true	String	Cast target: must match a found Device ID
media	true	Object OR Object array	Must be a Media object, or array of Media objects
subscribe	false	Boolean	Subscribe for cast status updates. May not be available on all platforms.

Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise
errorCode	false	Number	If an error occurs, errorCode will contain numeric error code
errorText	false	String	If an error occurs, errorText will contain a description of the error

Subscription Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise.
subscribed	false	Boolean	subscribed, returned on first response, will be true if successfully subscribed, false otherwise

Examples:

luna://com.alanstice.cast.service/getDuration

Get the media duration

Parameters:

Name	Required	Type	Description
target	true	String	Target Device ID to access
subscribe	false	Boolean	true to subscribe for duration updates, false for single poll. Will be internally abstracted as a poll interval if target platform doesn't support subscribing.

Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise
errorCode	false	Number	If an error occurs, errorCode will contain numeric error code
errorText	false	String	If an error occurs, errorText will contain a description of the error
duration	false	Number	Media duration in seconds

Subscription Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise.
subscribed	false	Boolean	subscribed, returned on first response, will be true if successfully subscribed, false otherwise
duration	true	Number	Media duration in seconds

Examples:

luna://com.alanstice.cast.service/getPosition

Get (or subscribe to) the media position

Parameters:

Name	Required	Type	Description
target	true	String	Target Device ID to access
subscribe	false	Boolean	true to subscribe for position updates, false for single poll. Will be internally abstracted as a poll interval if target platform doesn't support subscribing.

Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise
errorCode	false	Number	If an error occurs, errorCode will contain numeric error code
errorText	false	String	If an error occurs, errorText will contain a description of the error
position	false	Number	Current media position in seconds

Subscription Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise.
subscribed	false	Boolean	subscribed, returned on first response, will be true if successfully subscribed, false otherwise
position	true	Number	Current media position in seconds

Examples:

luna://com.alanstice.cast.service/getStatus

Get (or subscribe to) the media status

Parameters:

Name	Required	Type	Description
target	true	String	Target Device ID to access
subscribe	false	Boolean	true to subscribe for status updates, false for single poll. Will be internally abstracted as a poll interval if target platform doesn't support subscribing.

Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise
errorCode	false	Number	If an error occurs, errorCode will contain numeric error code
errorText	false	String	If an error occurs, errorText will contain a description of the error
playState	false	String	The media play state ("playing", "paused", etc)
playingMedia	false	String	The URI (or file path) of the playing media

Subscription Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise.
subscribed	false	Boolean	subscribed, returned on first response, will be true if successfully subscribed, false otherwise
playState	true	String	The media play state ("playing", "paused", etc)
playingMedia	true	String	The URI (or file path) of the playing media

Examples:

luna://com.alanstice.cast.service/seek

Seek to the specified position

Parameters:

Name	Required	Type	Description
target	true	String	Target Device ID to access
position	true	Number	Seek time in seconds, must be in the range [0,duration]

Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise
errorCode	false	Number	If an error occurs, errorCode will contain numeric error code
errorText	false	String	If an error occurs, errorText will contain a description of the error

Examples:

luna://com.alanstice.cast.service/jumpTo

Jump to a specific item in the playlist

Parameters:

Name	Required	Type	Description
target	true	String	Target Device ID to access
index	true	Number	Playlist index to seek to

Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise
errorCode	false	Number	If an error occurs, errorCode will contain numeric error code
errorText	false	String	If an error occurs, errorText will contain a description of the error

Examples:

luna://com.alanstice.cast.service/next

Skip to the next item in the playlist

Parameters:

Name	Required	Type	Description
target	true	String	Target Device ID to access

Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise
errorCode	false	Number	If an error occurs, errorCode will contain numeric error code
errorText	false	String	If an error occurs, errorText will contain a description of the error

Examples:

luna://com.alanstice.cast.service/previous

Skip to the previous item in the playlist

Parameters:

Name	Required	Type	Description
target	true	String	Target Device ID to access

Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise
errorCode	false	Number	If an error occurs, errorCode will contain numeric error code
errorText	false	String	If an error occurs, errorText will contain a description of the error

Examples:

luna://com.alanstice.cast.service/fastForward

Send the fast forward command to the device. Behavior depends on device implementation.

Parameters:

Name	Required	Type	Description
target	true	String	Target Device ID to access

Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise
errorCode	false	Number	If an error occurs, errorCode will contain numeric error code
errorText	false	String	If an error occurs, errorText will contain a description of the error

Examples:

luna://com.alanstice.cast.service/pause

Send the pause command to the device. Behavior depends on device implementation.

Parameters:

Name	Required	Type	Description
target	true	String	Target Device ID to access

Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise
errorCode	false	Number	If an error occurs, errorCode will contain numeric error code
errorText	false	String	If an error occurs, errorText will contain a description of the error

Examples:

luna://com.alanstice.cast.service/play

Send the play command to the device. Behavior depends on device implementation.

Parameters:

Name	Required	Type	Description
target	true	String	Target Device ID to access

Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise
errorCode	false	Number	If an error occurs, errorCode will contain numeric error code
errorText	false	String	If an error occurs, errorText will contain a description of the error

Examples:

luna://com.alanstice.cast.service/rewind

Send the rewind command to the device. Behavior depends on device implementation.

Parameters:

Name	Required	Type	Description
target	true	String	Target Device ID to access

Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise
errorCode	false	Number	If an error occurs, errorCode will contain numeric error code
errorText	false	String	If an error occurs, errorText will contain a description of the error

Examples:

luna://com.alanstice.cast.service/stop

Send the stop command to the device. Behavior depends on device implementation.

Parameters:

Name	Required	Type	Description
target	true	String	Target Device ID to access

Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise
errorCode	false	Number	If an error occurs, errorCode will contain numeric error code
errorText	false	String	If an error occurs, errorText will contain a description of the error

Examples:

luna://com.alanstice.cast.service/getVolume

Get the volume from the device. May not work correctly on Chromecast.

Parameters:

Name	Required	Type	Description
target	true	String	Target Device ID to access
subscribe	false	Boolean	true to subscribe for volume updates, false for single poll. Will be internally abstracted as a poll interval if target platform doesn't support subscribing.

Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise
errorCode	false	Number	If an error occurs, errorCode will contain numeric error code
errorText	false	String	If an error occurs, errorText will contain a description of the error
volume	false	Number	If not error occurs, volume will be returned in range [0,100]

Subscription Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise.
subscribed	false	Boolean	subscribed, returned on first response, will be true if successfully subscribed, false otherwise
volume	true	Number	The device volume, in range [0,100].

Examples:

luna://com.alanstice.cast.service/setVolume

Set the volume on the device. May not work correctly on Chromecast

Parameters:

Name	Required	Type	Description
target	true	String	Target Device ID to access
volume	true	Number	New volume value, [0,100]

Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise
errorCode	false	Number	If an error occurs, errorCode will contain numeric error code
errorText	false	String	If an error occurs, errorText will contain a description of the error

Examples:

luna://com.alanstice.cast.service/volumeDown

Decrease the device volume by one.

Parameters:

Name	Required	Type	Description
target	true	String	Target Device ID to access

Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise
errorCode	false	Number	If an error occurs, errorCode will contain numeric error code
errorText	false	String	If an error occurs, errorText will contain a description of the error

Examples:

luna://com.alanstice.cast.service/volumeUp

Increase the device volume by one.

Parameters:

Name	Required	Type	Description
target	true	String	Target Device ID to access

Response:

Name	Required	Type	Description
returnValue	true	Boolean	returnValue will be true on success, false otherwise
errorCode	false	Number	If an error occurs, errorCode will contain numeric error code
errorText	false	String	If an error occurs, errorText will contain a description of the error

Examples:

Objects

Device

An object representing a connectable device

Properties

Name	Type	Description
id	String	Unique identifier, used to interact with the device
name	String	User friendly name for representing the device in UI
type	String	Device type. (e.g. webOS, Chromecast or Chromecast Audio)

Media

An object representing cast target media

Properties

Name	Type	Description
path	String	URI pointing to the media or, if local flag is true, filesystem path to the media
mimeType	String	The media's mimeType
local	Boolean	true if the media is stored locally, false if it's hosted
title	String	Title to display with media
description	String	Description to display with media
poster	String	URI pointing to a poster image. Will be displayed while video is loading or as album art for audio.