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Barely working basic playback

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Blue 2018-12-17 20:15:58 +03:00 • committed by Gitea
parent 2a4dce3616
commit 85a14b5101
19 changed files with 406 additions and 24 deletions
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69
libjs/wController/file/audio.js Normal file
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"use strict";
var File = require("./file");
var Vocabulary = require("../../wType/vocabulary");
var Uint64 = require("../../wType/uint64");
var Audio = File.inherit({
className: "Audio",
constructor: function Audio(addr) {
File.fn.constructor.call(this, addr);
this._loadedFrames = 0;
this._totalFrames = 0;
this._waitingForFrames = false;
this._portions = [];
this.addHandler("responseFrames");
},
hasMore: function() {
return this._totalFrames > this._loadedFrames;
},
_getAdditional: function(add) {
var ac = File.fn._getAdditional.call(this, add);
if (ac) {
this._loadedFrames = 0;
this._totalFrames = this._additional.at("framesAmount").valueOf();
this._waitingForFrames = false;
}
this.initialized = true;
return ac;
},
_h_responseFrames: function(ev) {
if (this._waitingForFrames === true) {
var data = ev.getData();
var success = data.at("result").valueOf();
if (success === 0) {
var amount = data.at("amount").valueOf();
var blob = data.at("data").clone();
this._loadedFrames += amount;
this._waitingForFrames = false;
this._portions.push(blob);
this.trigger("newFrames", blob);
}
}
},
requestMore: function() {
if (!this._waitingForFrames) {
if (this._registered && this._subscribed) {
var allowed = this._totalFrames - this._loadedFrames;
if (allowed > 0) {
var vc = new Vocabulary();
vc.insert("index", new Uint64(this._loadedFrames));
vc.insert("amount", new Uint64(Math.min(framePortion, allowed)));
this.send(vc, "requestFrames");
this._waitingForFrames = true;
}
}
}
}
});
var framePortion = 10;
module.exports = Audio;