| <!DOCTYPE html> |
| <html> |
| <head> |
| <title> |
| Test k-rate AudioParams |
| </title> |
| <script src="../../imported/w3c/web-platform-tests/resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script src="../resources/audit-util.js"></script> |
| <script src="../resources/audit.js"></script> |
| </head> |
| <body> |
| <script id="layout-test-code"> |
| let sampleRate = 48000; |
| let renderLength = 2048; |
| let eventEndTime = 0.015; |
| |
| let audit = Audit.createTaskRunner() |
| |
| audit.define( |
| {label: 'validate', description: 'Validate test parameters'}, |
| function(task, should) { |
| should(eventEndTime, 'eventTime') |
| .beLessThan(renderLength / sampleRate); |
| task.done(); |
| }); |
| |
| audit.define( |
| { |
| label: 'playbackrate+detune', |
| description: 'Test k-rate AudioBufferSourceNode AudioParams' |
| }, |
| function(task, should) { |
| |
| let context = new OfflineAudioContext(1, renderLength, sampleRate); |
| let buffer = createConstantBuffer(context, renderLength, 1); |
| let node = new AudioBufferSourceNode(context, {buffer: buffer}); |
| |
| node.connect(context.destination); |
| |
| // Initialize detune and playbackRate to some non-zero value |
| // (because we're using exponential ramps. Then add exponential |
| // ramp to some non-zero end value. The actual values don't matter |
| // as long as they're strictly positive. |
| node.detune.setValueAtTime(0.125, 0); |
| node.playbackRate.setValueAtTime(1, 0); |
| |
| node.detune.exponentialRampToValueAtTime(0.75, 0.015); |
| node.playbackRate.exponentialRampToValueAtTime(0.5, 0.015); |
| |
| node.start(); |
| |
| context.startRendering() |
| .then(function() { |
| // The final values for each attribute should be the expected |
| // final value. |
| should(node.detune.value, 'Final node.detune.value') |
| .beEqualTo(0.75); |
| should( |
| node.playbackRate.value, 'Final node.playbackRate.value') |
| .beEqualTo(0.5); |
| }) |
| .then(task.done.bind(task)); |
| }); |
| |
| audit.define( |
| { |
| label: 'panner-k-rate', |
| description: |
| 'Test k-rate PannerNode and AudioListenerNode AudioParams' |
| }, |
| function(task, should) { |
| |
| let context = new OfflineAudioContext(1, renderLength, sampleRate); |
| let buffer = createConstantBuffer(context, renderLength, 1); |
| let source = new AudioBufferSourceNode(context, {buffer: buffer}); |
| |
| let panner = new PannerNode(context, {panningModel: 'HRTF'}); |
| |
| source.connect(panner).connect(context.destination); |
| |
| // Initialize the k-rate parameters to some positive value. Then |
| // add exponential ramp to some non-zero end value. The actual |
| // values don't matter as long as they're strictly positive. |
| panner.orientationX.setValueAtTime(1, 0); |
| panner.orientationY.setValueAtTime(1, 0); |
| panner.orientationZ.setValueAtTime(1, 0); |
| |
| panner.positionX.setValueAtTime(5, 0); |
| panner.positionY.setValueAtTime(5, 0); |
| panner.positionZ.setValueAtTime(5, 0); |
| |
| context.listener.forwardX.setValueAtTime(1, 0); |
| context.listener.forwardY.setValueAtTime(1, 0); |
| context.listener.forwardZ.setValueAtTime(1, 0); |
| |
| context.listener.positionX.setValueAtTime(.5, 0); |
| context.listener.positionY.setValueAtTime(.5, 0); |
| context.listener.positionZ.setValueAtTime(.5, 0); |
| |
| context.listener.upX.setValueAtTime(1, 0); |
| context.listener.upY.setValueAtTime(1, 0); |
| context.listener.upZ.setValueAtTime(1, 0); |
| |
| panner.orientationX.exponentialRampToValueAtTime(2.5, 0.015); |
| panner.orientationY.exponentialRampToValueAtTime(2.5, 0.015); |
| panner.orientationZ.exponentialRampToValueAtTime(2.5, 0.015); |
| |
| panner.positionX.exponentialRampToValueAtTime(11, 0.015); |
| panner.positionY.exponentialRampToValueAtTime(11, 0.015); |
| panner.positionZ.exponentialRampToValueAtTime(11, 0.015); |
| |
| context.listener.forwardX.exponentialRampToValueAtTime(3, 0.015); |
| context.listener.forwardY.exponentialRampToValueAtTime(3, 0.015); |
| context.listener.forwardZ.exponentialRampToValueAtTime(3, 0.015); |
| |
| context.listener.positionX.exponentialRampToValueAtTime(0.5, 0.015); |
| context.listener.positionY.exponentialRampToValueAtTime(0.5, 0.015); |
| context.listener.positionZ.exponentialRampToValueAtTime(0.5, 0.015); |
| |
| context.listener.upX.exponentialRampToValueAtTime(4, 0.015); |
| context.listener.upY.exponentialRampToValueAtTime(4, 0.015); |
| context.listener.upZ.exponentialRampToValueAtTime(4, 0.015); |
| |
| source.start(); |
| |
| context.startRendering() |
| .then(function() { |
| // The final values for each attribute should be the expected |
| // final value. |
| should( |
| panner.orientationX.value, |
| 'Final panner.orientationX.value') |
| .beEqualTo(2.5); |
| should( |
| panner.orientationY.value, |
| 'Final panner.orientationY.value') |
| .beEqualTo(2.5); |
| should( |
| panner.orientationZ.value, |
| 'Final panner.orientationZ.value') |
| .beEqualTo(2.5); |
| should(panner.positionX.value, 'Final panner.positionX.value') |
| .beEqualTo(11); |
| should(panner.positionY.value, 'Final panner.positionY.value') |
| .beEqualTo(11); |
| should(panner.positionZ.value, 'Final panner.positionZ.value') |
| .beEqualTo(11); |
| |
| should( |
| context.listener.forwardX.value, |
| 'Final context.listener.forwardX.value') |
| .beEqualTo(3); |
| should( |
| context.listener.forwardY.value, |
| 'Final context.listener.forwardY.value') |
| .beEqualTo(3); |
| should( |
| context.listener.forwardZ.value, |
| 'Final context.listener.forwardZ.value') |
| .beEqualTo(3); |
| should( |
| context.listener.positionX.value, |
| 'Final context.listener.positionX.value') |
| .beEqualTo(0.5); |
| should( |
| context.listener.positionY.value, |
| 'Final context.listener.positionY.value') |
| .beEqualTo(0.5); |
| should( |
| context.listener.positionZ.value, |
| 'Final context.listener.positionZ.value') |
| .beEqualTo(0.5); |
| should( |
| context.listener.upX.value, |
| 'Final context.listener.upX.value') |
| .beEqualTo(4); |
| should( |
| context.listener.upY.value, |
| 'Final context.listener.upY.value') |
| .beEqualTo(4); |
| should( |
| context.listener.upZ.value, |
| 'Final context.listener.upZ.value') |
| .beEqualTo(4); |
| }) |
| .then(task.done.bind(task)); |
| }); |
| |
| audit.run(); |
| </script> |
| </body> |
| </html> |
