92 lines
3.3 KiB
JavaScript
92 lines
3.3 KiB
JavaScript
/**
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* Functions related to VU meters.
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* These functions are intimately tied to the markup defined in the
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* VU templates in _vu_meters.html.erb
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*/
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(function(context, $) {
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"use strict";
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context.JK = context.JK || {};
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// As these are helper functions, just have a single
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// static object with functions. Each function should
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// take all necessary arguments to complete its work.
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context.JK.TrackHelpers = {
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getTracks: function(jamClient, groupId) {
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var tracks = [];
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var allTracks = context.jamClient.SessionGetAllControlState(true);
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//var trackIds = jamClient.SessionGetIDs();
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//var allTracks = jamClient.SessionGetControlState(trackIds, true);
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// get client's tracks
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for (var i=0; i < allTracks.length; i++) {
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if (allTracks[i].group_id === groupId) {
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tracks.push(allTracks[i]);
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}
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}
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return tracks;
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},
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getBackingTracks: function(jamClient) {
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var mediaTracks = context.JK.TrackHelpers.getTracks(jamClient, 4);
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console.log("mediaTracks", mediaTracks)
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var backingTracks = []
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context._.each(mediaTracks, function(mediaTrack) {
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// the check for 'not managed' means this is not a track opened by a recording, basically
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// we do not try and sync these sorts of backing tracks to the server, because they
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// are already encompassed by
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if(mediaTrack.media_type == "BackingTrack" && !mediaTrack.managed) {
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var track = {};
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track.client_track_id = mediaTrack.persisted_track_id;
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track.client_resource_id = mediaTrack.rid;
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track.filename = mediaTrack.filename;
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backingTracks.push(track);
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}
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})
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return backingTracks;
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},
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/**
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* This function resolves which tracks to configure for a user
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* when creating or joining a session. By default, tracks are pulled
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* from jamClient. If none exist there, the first instrument from the
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* user's profile is used.
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*/
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getUserTracks: function(jamClient) {
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var localMusicTracks = [];
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var i;
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localMusicTracks = context.JK.TrackHelpers.getTracks(jamClient, 2);
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var trackObjects = [];
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for (i=0; i < localMusicTracks.length; i++) {
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var track = {};
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track.client_track_id = localMusicTracks[i].id;
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track.client_resource_id = localMusicTracks[i].rid;
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if(localMusicTracks[i].instrument_id === 0) {
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track.instrument_id = context.JK.server_to_client_instrument_map["Other"].server_id;
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}
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else {
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track.instrument_id = context.JK.client_to_server_instrument_map[localMusicTracks[i].instrument_id].server_id;
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}
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if (localMusicTracks[i].stereo) {
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track.sound = "stereo";
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}
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else {
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track.sound = "mono";
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}
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trackObjects.push(track);
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}
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return trackObjects;
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}
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};
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})(window, jQuery); |