KaraFun Touch

KaraFun Touch is an Open Source Touchscreen interface control for KaraFun Player, the karaoke player designed for Windows (http://www.karafun.com).

Installation

KaraFun Touch has been designed as a Chrome App. In order to install it, go to your extensions in Google Chrome and add the folder where KaraFun Touch files are stored.

##General information

Volume values are between 0 (muted) and 100 (full volume)
Time and duration values are in seconds (can be float)
Color are in HTML format #RRGGBB Communications are done via Websocket

##List of actions

Get player status

<action type="getStatus" [noqueue]></action>

Reflect the current state of KaraFun Player. no queue allows not to send the queue status.

---

Response to getStatus

<status state="{player_state}">
    [<position>{time_in_seconds}</position>]
    <volumeList>
        <general caption="{caption}">{volume}</general>
        [<bv caption="{caption}">{volume}</bv>]
        [<lead1 caption="{caption}" color="{color}">{volume}</lead1>]
        [<lead2 caption="{caption}" color="{color}">{volume}</lead2>]
    </volumeList>
    <pitch>{pitch}</pitch>
    <tempo>{tempo}</tempo>
    <queue>
            <item id="{queue_position}" status="{item_state}">
                    <title>{song_name}</title>
                    <artist>{artist_name}</artist>
                    <year>{year}</year>
                    <duration>{duration_in_seconds}</duration>
                    [<singer>{singer_name}</singer>]
           </item>
            ...
    </queue>
</status>

<volumeList> general is always included, disabled volumes are not included
<queue> item count is limited to 100 (approx 5 hours of queue!)
player_state possible values :

• idle
• infoscreen
• loading
• playing

item_state possible values :

• ready
• loading

Audio control and transport

<action type="play"></action>
<action type="pause"></action>
<action type="next"></action>
<action type="seek">{time_in_seconds}</action>
<action type="pitch">{picth}</action>
<action type="tempo">{tempo}</action>

Volume management

<action type="setVolume" volume_type="{volume_type}">{volume_between_0_100}</action>

volume_type possible values are from the getStatus

Song queue management

<action type="clearQueue"></action>
<action type="addToQueue" song="{song_id}">{add_position}</action>
<action type="removeFromQueue" id="{queue_position}"></action>
<action type="changeQueuePosition" id="{old_position}">{new_position}</action>

song_id and queue_id are unique
position possible values :

• 0: top
• 1...n: specific position
• 99999: bottom

Get the list of catalogs

<action type="getCatalogList"></action>

List currently available catalogs. Queue, history and tree structure are not included.

type possible values :

• onlineComplete
• onlineNews
• onlineFavorites
• onlineStyle
• localPlaylist
• localDirectory

---

Response to getCatalogList

<catalogList>
    <catalog id="{unique_id}" type="{type}">{caption}</item>
    <catalog id="{unique_id}" type="{type}">{caption}</item>
    ...
</catalogList>

Get a list content

<action type="getList" id="{list_id}" offset="{offset}" limit="{limit}"></action>

List the songs of a catalog
Default limit is 100

Search

<action type="search" offset="{offset}" limit="{limit}">{search_string}</action>

List the songs of a search Default limit is 100

---

Response to getList/search

<list total={total}>
    <item id="{unique_id}">
        <title>{song_name}</title>
        <artist>{artist_name}</artist>
        <year>{year}</year>
        <duration>{duration_in_seconds}</duration>
    </item>
    ...
</list>

Screen Management

<action type="screenPosition" x="{x}" y="{y}" width="{width}" height="{height}"></action>

Set the screen position

<action type="fullscreen"></action>

Set the second screen into fullscreen mode