Tone.js/test/source/Player.js
2018-05-28 18:01:03 -04:00

628 lines
19 KiB
JavaScript

define(["helper/Basic", "Tone/source/Player", "helper/Offline", "helper/SourceTests",
"Tone/core/Buffer", "helper/Meter", "helper/Test", "Tone/core/Tone", "helper/CompareToFile"],
function(BasicTests, Player, Offline, SourceTests, Buffer, Meter, Test, Tone, CompareToFile){
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);
it("matches a file", function(){
return CompareToFile(function(){
const player = new Player(buffer).toMaster();
player.start(0.1).stop(0.2);
player.playbackRate = 2;
}, "player.wav", 0.005);
});
context("Constructor", function(){
it("can be constructed with a Tone.Buffer", function(){
var player = new Player(buffer);
expect(player.buffer.get()).to.equal(buffer.get());
player.dispose();
});
it("can be constructed with an AudioBuffer", function(){
var player = new Player(buffer.get());
expect(player.buffer.get()).to.equal(buffer.get());
player.dispose();
});
it("can be constructed with an unloaded Tone.Buffer", function(done){
var buffer = new Buffer("./audio/sine.wav");
var player = new Player(buffer, function(){
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(){
expect(player.loaded).to.be.true;
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("Position/State", function(){
it("gets the current position of the playback", function(){
return Offline(function(){
var player = new Player(buffer).toMaster();
player.start(0);
return function(time){
expect(player.position).to.be.closeTo(time, 0.01);
expect(player.state).to.equal("started");
};
}, buffer.duration);
});
it("gets the current position of the playback when rate is < 1", function(){
return Offline(function(){
var player = new Player(buffer).toMaster();
player.start(0);
player.playbackRate = 0.5;
return function(time){
expect(player.position).to.be.closeTo(time*0.5, 0.01);
expect(player.state).to.equal("started");
};
}, buffer.duration);
});
it("gets the current position of the playback when rate is > 1", function(){
return Offline(function(){
var player = new Player(buffer).toMaster();
player.playbackRate = 2;
player.start(0);
return function(time){
if (time < buffer.duration / 2){
expect(player.position).to.be.closeTo(time*2, 0.01);
expect(player.state).to.equal("started");
} else {
expect(player.state).to.equal("stopped");
}
};
}, buffer.duration);
});
it("position is 0 after the buffer has completed", function(){
return Offline(function(){
var player = new Player(buffer).toMaster();
player.start(0);
return function(time){
if (time < buffer.duration){
expect(player.position).to.be.closeTo(time, 0.01);
expect(player.state).to.equal("started");
} else if (time > buffer.duration){
expect(player.position).to.equal(0);
expect(player.state).to.equal("stopped");
}
};
}, buffer.duration + 0.1);
});
it("returns correct position while looping", function(){
return Offline(function(){
var player = new Player(buffer).toMaster();
player.start(0);
player.loop = true;
return function(time){
expect(player.state).to.equal("started");
Test.whenBetween(time, 0, buffer.duration, function(){
expect(player.position).to.be.closeTo(time, 0.01);
});
Test.whenBetween(time, buffer.duration, buffer.duration*2, function(){
expect(player.position).to.be.closeTo(time - buffer.duration, 0.01);
});
};
}, buffer.duration * 2);
});
it("can stop looping after second loop", function(){
return Offline(function(){
var player = new Player(buffer).toMaster();
player.start(0);
player.loop = true;
return function(time){
Test.whenBetween(time, 0, buffer.duration, function(){
expect(player.state).to.equal("started");
expect(player.position).to.be.closeTo(time, 0.01);
});
Test.whenBetween(time, buffer.duration, buffer.duration*2, function(){
//set to stop looping
player.loop = false;
expect(player.position).to.be.closeTo(time - buffer.duration, 0.01);
expect(player.state).to.equal("started");
});
Test.whenBetween(time, buffer.duration*2, Infinity, function(){
expect(player.position).to.equal(0);
expect(player.state).to.equal("stopped");
});
};
}, buffer.duration * 3);
});
it("can change playbackRate during playback", function(){
return Meter(function(){
var player = new Player(buffer).toMaster();
player.start(0);
return Test.atTime(buffer.duration * 0.5, function(){
player.playbackRate = 2;
});
}, buffer.duration).then(function(rms){
expect(rms.getValueAtTime(buffer.duration * 0)).to.be.above(0);
expect(rms.getValueAtTime(buffer.duration * 0.5)).to.be.above(0);
expect(rms.getValueAtTime(buffer.duration * 0.75)).to.be.above(0);
expect(rms.getValueAtTime(buffer.duration * 0.8)).to.equal(0);
});
});
});
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);
}, buffer.duration * 1.5).then(function(rms){
rms.forEach(function(level){
expect(level).to.be.above(0);
});
});
});
it("loops the audio when loop is set after start", function(){
return Meter(function(){
var player = new Player(buffer);
player.toMaster();
player.start(0);
player.loop = true;
}, buffer.duration * 1.5).then(function(rms){
rms.forEach(function(level){
expect(level).to.be.above(0);
});
});
});
it("offset is the loopStart when set to loop", function(){
var testSample = buffer.toArray()[Math.floor(0.1 * buffer.context.sampleRate)];
return Offline(function(){
var player = new Player(buffer);
player.loopStart = 0.1;
player.loop = true;
player.toMaster();
player.start(0);
}, 0.05).then(function(buffer){
expect(buffer.toArray()[0]).to.equal(testSample);
});
});
it("loops the audio for the specific duration", function(){
var playDur = buffer.duration * 1.5;
return Meter(function(){
var player = new Player(buffer);
player.loop = true;
player.toMaster();
player.start(0, 0, playDur);
}, buffer.duration * 2).then(function(buff){
buff.forEach(function(val, time){
if (time < (playDur - 0.01)){
expect(val).to.be.greaterThan(0);
} else if (time > playDur){
expect(val).to.equal(0);
}
});
});
});
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(Tone.context.sampleRate * 0.3));
for (var i = 0; i < ramp.length; i++){
ramp[i] = (i / (ramp.length)) * 0.3;
}
var buff = 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);
}, 0.05).then(function(buffer){
buffer.forEach(function(sample, time){
if (time < 0.04){
expect(sample).to.be.within(0.15, 0.2);
} else if (time > 0.05 && time < 0.09){
expect(sample).to.be.within(0.1, 0.15);
}
});
});
});
});
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,
"fadeIn" : 0.1,
"fadeOut" : 0.2,
});
expect(player.loop).to.be.true;
expect(player.loopStart).to.equal(0.4);
expect(player.fadeIn).to.equal(0.1);
expect(player.fadeOut).to.equal(0.2);
player.dispose();
});
it("can set attributes after player is started", function(){
var player = new Player(buffer);
expect(player.loop).to.be.false;
player.start();
player.set({
"loopStart" : 0.2,
"loopEnd" : 0.3,
"loop" : true,
"playbackRate" : 0.9
});
expect(player.loop).to.be.true;
expect(player.loopStart).to.equal(0.2);
expect(player.loopEnd).to.equal(0.3);
expect(player.playbackRate).to.equal(0.9);
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(Tone.context.sampleRate * 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("only seeks if player is started", function(){
return Offline(function(){
var player = new Player(buffer).toMaster();
player.seek(0.2, 0.01);
}, 0.05).then(function(buffer){
expect(buffer.isSilent()).to.be.true;
});
});
it("can seek to a position at the given time", function(){
return Offline(function(){
var ramp = new Float32Array(Math.floor(Tone.context.sampleRate * 0.3));
for (var i = 0; i < ramp.length; i++){
ramp[i] = (i / (ramp.length)) * 0.3;
}
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, time){
if (time < 0.09){
expect(sample).to.be.within(0, 0.1);
} else if (time > 0.1 && time < 0.19){
expect(sample).to.be.within(0.2, 0.3);
}
});
});
});
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("stops playing if invoked with 'stop' at a sooner time", function(){
return Offline(function(){
var player = new Player(buffer);
player.toMaster();
player.start(0).stop(0.1).stop(0.05);
}, 0.3).then(function(buffer){
expect(buffer.getLastSoundTime()).to.be.closeTo(0.05, 0.02);
});
});
it("stops playing if at the last scheduled 'stop' time", function(){
return Offline(function(){
var player = new Player(buffer);
player.toMaster();
player.start(0, 0, 0.05).start(0.1, 0, 0.05).start(0.2, 0, 0.05);
player.stop(0.1);
}, 0.3).then(function(buffer){
expect(buffer.getLastSoundTime()).to.be.closeTo(0.1, 0.02);
});
});
it("can retrigger multiple sources which all stop at the stop time", function(){
return Offline(function(){
var player = new Player(buffer);
player.toMaster();
player.loop = true;
player.retrigger = true;
player.start(0).start(0.1).start(0.2).stop(0.25);
}, 0.4).then(function(buffer){
expect(buffer.getLastSoundTime()).to.be.closeTo(0.25, 0.02);
});
});
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");
});
};
}, buffer.duration * 1.1);
});
it("offsets correctly when started by the Transport", function(){
var testSample = buffer.toArray()[Math.floor(0.13125 * buffer.context.sampleRate)];
return Offline(function(Transport){
var player = new Player(buffer).sync().start(0, 0.1).toMaster();
Transport.start(0, 0.03125);
}, 0.05).then(function(buffer){
expect(buffer.toArray()[0]).to.equal(testSample);
});
});
it("starts with an offset when synced and started after Transport is running", function(){
return Offline(function(Transport){
var ramp = new Float32Array(Math.floor(Tone.context.sampleRate * 0.3));
for (var i = 0; i < ramp.length; i++){
ramp[i] = (i / (ramp.length)) * 0.3;
}
var buff = new Buffer().fromArray(ramp);
var player = new Player(buff).toMaster();
Transport.start(0);
return Test.atTime(0.1, function(){
player.sync().start(0);
});
}, 0.3).then(function(buffer){
expect(buffer.getValueAtTime(0)).to.equal(0);
expect(buffer.getValueAtTime(0.05)).to.equal(0);
expect(buffer.getValueAtTime(0.11)).to.be.closeTo(0.11, 0.01);
expect(buffer.getValueAtTime(0.2)).to.be.closeTo(0.2, 0.01);
});
});
it("can pass in an offset when synced and started after Transport is running", function(){
return Offline(function(Transport){
var ramp = new Float32Array(Math.floor(Tone.context.sampleRate * 0.3));
for (var i = 0; i < ramp.length; i++){
ramp[i] = (i / (ramp.length)) * 0.3;
}
var buff = new Buffer().fromArray(ramp);
var player = new Player(buff).toMaster();
player.loop = true;
Transport.start(0);
return Test.atTime(0.1, function(){
player.sync().start(0, 0.1);
});
}, 0.3).then(function(buffer){
expect(buffer.getValueAtTime(0)).to.equal(0);
expect(buffer.getValueAtTime(0.05)).to.equal(0);
expect(buffer.getValueAtTime(0.11)).to.be.closeTo(0.21, 0.01);
expect(buffer.getValueAtTime(0.15)).to.be.closeTo(0.25, 0.01);
expect(buffer.getValueAtTime(0.2)).to.be.closeTo(0.0, 0.01);
expect(buffer.getValueAtTime(0.25)).to.be.closeTo(0.05, 0.01);
});
});
it("fades in and out correctly", function(){
return Offline(function(){
var onesArray = new Float32Array(buffer.context.sampleRate * 0.5);
onesArray.forEach(function(sample, index){
onesArray[index] = 1;
});
var onesBuffer = Buffer.fromArray(onesArray);
var player = new Player({ "url" : onesBuffer, "fadeOut" : 0.1, "fadeIn" : 0.1 }).start(0).toMaster();
}, 0.6).then(function(buffer){
buffer.forEach(function(sample, time){
if (time < 0.1){
expect(sample).to.be.within(0, 1);
} else if (time < 0.4){
expect(sample).to.equal(1);
} else if (time < 0.5){
expect(sample).to.be.within(0, 1);
} else {
expect(sample).to.equal(0);
}
});
});
});
});
});
});