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Diffstat (limited to 'testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/k-rate-panner.html')
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diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/k-rate-panner.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/k-rate-panner.html new file mode 100644 index 0000000000..60200b2471 --- /dev/null +++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/k-rate-panner.html @@ -0,0 +1,178 @@ +<!doctype html> +<html> + <head> + <title>Test k-rate AudioParams of PannerNode</title> + <script src="/resources/testharness.js"></script> + <script src="/resources/testharnessreport.js"></script> + <script src="/webaudio/resources/audit-util.js"></script> + <script src="/webaudio/resources/audit.js"></script> + <script src="automation-rate-testing.js"></script> + </head> + + <body> + <script> + let audit = Audit.createTaskRunner(); + + // Define a test where we verify that a k-rate audio param produces + // different results from an a-rate audio param for each of the audio + // params of a biquad. + // + // Each entry gives the name of the AudioParam, an initial value to be + // used with setValueAtTime, and a final value to be used with + // linearRampToValueAtTime. (See |doTest| for details as well.) + + [{name: 'positionX', initial: 0, final: 1000}, + {name: 'positionY', initial: 0, final: 1000}, + {name: 'orientationX', initial: 1, final: 10}, + {name: 'orientationY', initial: 1, final: 10}, + {name: 'orientationZ', initial: 1, final: 10}, + ].forEach(paramProperty => { + audit.define('Panner k-rate ' + paramProperty.name, (task, should) => { + // Arbitrary sample rate and duration. + let sampleRate = 8000; + let testDuration = 5 * 128 / sampleRate; + let context = new OfflineAudioContext({ + numberOfChannels: 3, + sampleRate: sampleRate, + length: testDuration * sampleRate + }); + + doTest(context, should, { + sourceNodeName: 'ConstantSourceNode', + verifyPieceWiseConstant: true, + nodeName: 'PannerNode', + // Make the source directional so orientation matters, and set some + // defaults for the position and orientation so that we're not on an + // axis where the azimuth and elevation might be constant when + // moving one of the AudioParams. + nodeOptions: { + distanceModel: 'inverse', + coneOuterAngle: 360, + coneInnerAngle: 0, + positionX: 1, + positionY: 1, + positionZ: 1, + orientationX: 0, + orientationY: 1, + orientationZ: 1 + }, + prefix: `k-rate ${paramProperty.name}`, + // Just set the frequency to k-rate + rateSettings: [ + {name: paramProperty.name, value: 'k-rate'}, + ], + // Automate just the given AudioParam + automations: [{ + name: paramProperty.name, + methods: [ + {name: 'setValueAtTime', options: [paramProperty.initial, 0]}, { + name: 'linearRampToValueAtTime', + options: [paramProperty.final, testDuration] + } + ] + }] + }).then(() => task.done()); + }); + }); + + // Test k-rate automation of the listener. The intial and final + // automation values are pretty arbitrary, except that they should be such + // that the panner and listener produces non-constant output. + [{name: 'positionX', initial: [1, 0], final: [1000, 1]}, + {name: 'positionY', initial: [1, 0], final: [1000, 1]}, + {name: 'positionZ', initial: [1, 0], final: [1000, 1]}, + {name: 'forwardX', initial: [-1, 0], final: [1, 1]}, + {name: 'forwardY', initial: [-1, 0], final: [1, 1]}, + {name: 'forwardZ', initial: [-1, 0], final: [1, 1]}, + {name: 'upX', initial: [-1, 0], final: [1000, 1]}, + {name: 'upY', initial: [-1, 0], final: [1000, 1]}, + {name: 'upZ', initial: [-1, 0], final: [1000, 1]}, + ].forEach(paramProperty => { + audit.define( + 'Listener k-rate ' + paramProperty.name, (task, should) => { + // Arbitrary sample rate and duration. + let sampleRate = 8000; + let testDuration = 5 * 128 / sampleRate; + let context = new OfflineAudioContext({ + numberOfChannels: 1, + sampleRate: sampleRate, + length: testDuration * sampleRate + }); + + doListenerTest(context, should, { + param: paramProperty.name, + initial: paramProperty.initial, + final: paramProperty.final + }).then(() => task.done()); + }); + }); + + audit.run(); + + function doListenerTest(context, should, options) { + let src = new ConstantSourceNode(context); + let panner = new PannerNode(context, { + distanceModel: 'inverse', + coneOuterAngle: 360, + coneInnerAngle: 10, + positionX: 10, + positionY: 10, + positionZ: 10, + orientationX: 1, + orientationY: 1, + orientationZ: 1 + }); + + src.connect(panner).connect(context.destination); + + src.start(); + + let listener = context.listener; + + // Set listener properties to "random" values so that motion on one of + // the attributes actually changes things relative to the panner + // location. And the up and forward directions should have a simple + // relationship between them. + listener.positionX.value = -1; + listener.positionY.value = 1; + listener.positionZ.value = -1; + listener.forwardX.value = -1; + listener.forwardY.value = 1; + listener.forwardZ.value = -1; + // Make the up vector not parallel or perpendicular to the forward and + // position vectors so that automations of the up vector produce + // noticeable differences. + listener.upX.value = 1; + listener.upY.value = 1; + listener.upZ.value = 2; + + let audioParam = listener[options.param]; + audioParam.automationRate = 'k-rate'; + + let prefix = `Listener ${options.param}`; + should(audioParam.automationRate, prefix + '.automationRate') + .beEqualTo('k-rate'); + should(() => { + audioParam.setValueAtTime(...options.initial); + }, prefix + `.setValueAtTime(${options.initial})`).notThrow(); + should(() => { + audioParam.linearRampToValueAtTime(...options.final); + }, prefix + `.linearRampToValueAtTime(${options.final})`).notThrow(); + + return context.startRendering().then(renderedBuffer => { + let prefix = `Listener k-rate ${options.param}: `; + let output = renderedBuffer.getChannelData(0); + // Sanity check that the output isn't constant. + should(output, prefix + `Output`).notBeConstantValueOf(output[0]); + + // Verify that the output is constant over each render quantum + for (let k = 0; k < output.length; k += 128) { + should( + output.slice(k, k + 128), prefix + `Output [${k}, ${k + 127}]`) + .beConstantValueOf(output[k]); + } + }); + } + </script> + </body> +</html> |