Tone.js/test/source/Player.js
Yotam Mann c7b62eb939 trying to compensate for linux errors
scheduling samples seems to have different levels of precision of
different platforms
2017-02-20 23:06:27 -05:00

332 lines
No EOL
8.8 KiB
JavaScript

define(["helper/Basic", "Tone/source/Player", "helper/Offline",
"helper/SourceTests", "Tone/core/Buffer", "helper/Meter", "Test"],
function (BasicTests, Player, Offline, SourceTests, Buffer, Meter, Test) {
if (window.__karma__){
Buffer.baseUrl = "/base/test/";
}
describe("Player", function(){
var buffer = new Buffer();
beforeEach(function(done){
buffer.load("./audio/sine.wav", function(){
done();
});
});
//run the common tests
BasicTests(Player, buffer);
SourceTests(Player, buffer);
context("Constructor", function(){
it ("can be constructed with a Tone.Buffer", function(done){
var player = new Player(buffer);
expect(player.buffer.get()).to.equal(buffer.get());
player.dispose();
done();
});
it ("can be constructed with an AudioBuffer", function(done){
var player = new Player(buffer.get());
expect(player.buffer.get()).to.equal(buffer.get());
player.dispose();
done();
});
});
context("Loading", function(){
it("loads a url which was passed in", function(done){
var player = new Player("./audio/sine.wav", function(){
player.dispose();
done();
});
});
it("loads a url using the load method", function(done){
var player = new Player();
player.load("./audio/sine.wav", function(){
expect(player._buffer).to.be.instanceof(Buffer);
done();
});
});
it("returns a promise", function(done){
var player = new Player();
var promise = player.load("./audio/sine.wav");
expect(promise).to.be.instanceof(Promise);
promise.then(function(){
done();
});
});
it("can be created with an options object", function(){
var player = new Player({
"url" : "./audio/sine.wav",
"loop" : true
});
player.dispose();
});
it("can autostart after loading", function(done){
var player = new Player({
"url" : "./audio/sine.wav",
"autostart" : true,
"onload" : function(){
setTimeout(function(){
expect(player.state).to.be.equal("started");
done();
}, 10);
}
});
});
});
context("Reverse", function(){
it("can be played in reverse", function(){
var audioBuffer = buffer.get().getChannelData(0);
var lastSample = audioBuffer[audioBuffer.length - 1];
return Offline(function(){
var player = new Player(buffer.get()).toMaster();
player.reverse = true;
player.start(0);
}).then(function(buffer){
var firstSample = buffer.toArray()[0];
expect(firstSample).to.equal(lastSample);
});
});
});
context("Looping", function(){
beforeEach(function(done){
buffer.load("./audio/short_sine.wav", function(){
done();
});
});
it("can be set to loop", function(){
var player = new Player();
player.loop = true;
expect(player.loop).to.be.true;
player.dispose();
});
it("can set the loop points", function(){
var player = new Player();
player.loopStart = 0.4;
expect(player.loopStart).to.equal(0.4);
player.loopEnd = 0.5;
expect(player.loopEnd).to.equal(0.5);
player.setLoopPoints(0, 0.2);
expect(player.loopStart).to.equal(0);
expect(player.loopEnd).to.equal(0.2);
player.dispose();
});
it("loops the audio", function(){
return Meter(function(){
var player = new Player(buffer);
player.loop = true;
player.toMaster();
player.start(0);
}).then(function(rms){
rms.forEach(function(level){
expect(level).to.be.above(0);
});
});
});
});
context("Get/Set", function(){
it("can be set with an options object", function(){
var player = new Player();
expect(player.loop).to.be.false;
player.set({
"loop" : true,
"loopStart" : 0.4
});
expect(player.loop).to.be.true;
expect(player.loopStart).to.equal(0.4);
player.dispose();
});
it("can get an options object", function(){
var player = new Player({
"url" : "./audio/sine.wav",
"loopStart" : 0.2,
"loopEnd" : 0.3,
"loop" : true,
"reverse" : true
});
expect(player.get().loopStart).to.equal(0.2);
expect(player.get().loopEnd).to.equal(0.3);
expect(player.get().loop).to.be.true;
expect(player.get().reverse).to.be.true;
player.dispose();
});
it("can get/set the playbackRate", function(){
var player = new Player();
player.playbackRate = 0.5;
expect(player.playbackRate).to.equal(0.5);
player.dispose();
});
});
context("Start Scheduling", function(){
it("can be start with an offset", function(){
var testSample = buffer.toArray()[Math.floor(0.1 * buffer.context.sampleRate)];
return Offline(function(){
var player = new Player(buffer.get());
player.toMaster();
player.start(0, 0.1);
}).then(function(buffer){
expect(buffer.toArray()[0]).to.equal(testSample);
});
});
it("is stopped and restarted if retrigger=false", function(){
return Offline(function(){
//make a ramp between 0-1
var ramp = new Float32Array(Math.floor(44100 * 0.3));
for (var i = 0; i < ramp.length; i++){
ramp[i] = (i / (ramp.length-1));
}
var buff = new Buffer().fromArray(ramp);
var player = new Player(buff).toMaster();
player.retrigger = false;
player.start(0);
player.start(0.1);
}, 0.31).then(function(buffer){
expect(buffer.max()).to.be.lessThan(1);
});
});
it("can be retriggered", function(){
return Offline(function(){
//make a ramp between 0-1
var ramp = new Float32Array(Math.floor(44100 * 0.3));
for (var i = 0; i < ramp.length; i++){
ramp[i] = (i / (ramp.length-1));
}
var buff = new Buffer().fromArray(ramp);
var player = new Player(buff).toMaster();
player.retrigger = true;
player.start(0);
player.start(0.1);
}, 0.31).then(function(buffer){
expect(buffer.max()).to.be.greaterThan(1);
});
});
it("can seek to a position at the given time", function(){
return Offline(function(){
//make a ramp between 0-1
var ramp = new Float32Array(Math.floor(44100));
for (var i = 0; i < ramp.length; i++){
ramp[i] = (i / (ramp.length));
}
var buff = new Buffer().fromArray(ramp);
var player = new Player(buff).toMaster();
player.start(0);
player.seek(0.2, 0.1);
}, 0.3).then(function(buffer){
buffer.forEach(function(sample){
expect(sample).to.be.within(0, 0.1);
}, 0, 0.1);
buffer.forEach(function(sample){
expect(sample).to.be.within(0.2, 0.3);
}, 0.11, 0.2);
});
});
it ("correctly compensates if the offset is greater than the loopEnd", function(){
return Offline(function(){
//make a ramp between 0-1
var ramp = new Float32Array(Math.floor(44100));
for (var i = 0; i < ramp.length; i++){
ramp[i] = (i / (ramp.length));
}
var buff = new Buffer().fromArray(ramp);
var player = new Player(buff).toMaster();
player.loopStart = 0.1;
player.loopEnd = 0.2;
player.loop = true;
player.start(0, 0.35);
}, 0.3).then(function(buffer){
buffer.forEach(function(sample){
expect(sample).to.be.within(0.15, 0.2);
}, 0, 0.05);
buffer.forEach(function(sample){
expect(sample).to.be.within(0.1, 0.15);
}, 0.06, 0.1);
});
});
it("can be play for a specific duration", function(){
return Offline(function(){
var player = new Player(buffer);
player.toMaster();
player.start(0).stop(0.1);
return function(time){
Test.whenBetween(time, 0.1, Infinity, function(){
expect(player.state).to.equal("stopped");
});
Test.whenBetween(time, 0, 0.1, function(){
expect(player.state).to.equal("started");
});
};
}, 0.3).then(function(buffer){
buffer.forEach(function(sample){
expect(sample).to.equal(0);
}, 0.11, 0.15);
});
});
it("can be play for a specific duration passed in the 'start' method", function(){
return Offline(function(){
var player = new Player(buffer);
player.toMaster();
player.start(0, 0, 0.1);
return function(time){
Test.whenBetween(time, 0.1, Infinity, function(){
expect(player.state).to.equal("stopped");
});
Test.whenBetween(time, 0, 0.1, function(){
expect(player.state).to.equal("started");
});
};
}, 0.3).then(function(buffer){
expect(buffer.getLastSoundTime()).to.be.closeTo(0.1, 0.02);
});
});
it("reports itself as stopped after a single iterations of the buffer", function(){
return Offline(function(){
var player = new Player(buffer).toMaster();
player.start();
return function(time){
Test.whenBetween(time, buffer.duration, Infinity, function(){
expect(player.state).to.equal("stopped");
});
Test.whenBetween(time, 0, buffer.duration, function(){
expect(player.state).to.equal("started");
});
};
});
});
});
});
});