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Update web-platform-tests to revision 0d318188757a9c996e20b82db201fd04de5aa255
This commit is contained in:
James Graham
parent
b2a5225831
commit
1a81b18b9f
12321 changed files with 544385 additions and 6 deletions
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<!DOCTYPE html>
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<html class="a">
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<head>
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<title>AudioBuffer IDL Test</title>
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<script src="/resources/testharness.js"></script><script src="/resources/testharnessreport.js"></script><script src="/resources/idlharness.js"></script><script src="/resources/webidl2/lib/webidl2.js"></script><script src="/webaudio/js/lodash.js"></script><script src="/webaudio/js/vendor-prefixes.js"></script><script src="/webaudio/js/helpers.js"></script><style type="text/css">
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#event-target-idl,
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#audio-context-idl
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{ visibility:hidden; height: 0px;}
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</style>
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</head>
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<body class="a">
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<pre id="event-target-idl">interface EventTarget {
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void addEventListener(DOMString type, EventListener? callback, optional boolean capture = false);
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void removeEventListener(DOMString type, EventListener? callback, optional boolean capture = false);
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boolean dispatchEvent(Event event);
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};
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/*
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callback interface EventListener {
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void handleEvent(Event event);
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};
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*/
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// Callback interfaces are not supported yet, but that's ok
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interface EventListener {};
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</pre>
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<pre id="audio-context-idl">callback DecodeSuccessCallback = void (AudioBuffer decodedData);
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callback DecodeErrorCallback = void ();
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[Constructor]
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interface AudioContext : EventTarget {
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readonly attribute AudioDestinationNode destination;
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readonly attribute float sampleRate;
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readonly attribute double currentTime;
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readonly attribute AudioListener listener;
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AudioBuffer createBuffer(unsigned long numberOfChannels, unsigned long length, float sampleRate);
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void decodeAudioData(ArrayBuffer audioData,
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DecodeSuccessCallback successCallback,
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optional DecodeErrorCallback errorCallback);
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// AudioNode creation
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AudioBufferSourceNode createBufferSource();
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MediaElementAudioSourceNode createMediaElementSource(HTMLMediaElement mediaElement);
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MediaStreamAudioSourceNode createMediaStreamSource(MediaStream mediaStream);
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MediaStreamAudioDestinationNode createMediaStreamDestination();
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ScriptProcessorNode createScriptProcessor(optional unsigned long bufferSize = 0,
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optional unsigned long numberOfInputChannels = 2,
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optional unsigned long numberOfOutputChannels = 2);
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AnalyserNode createAnalyser();
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GainNode createGain();
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DelayNode createDelay(optional double maxDelayTime = 1.0);
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BiquadFilterNode createBiquadFilter();
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WaveShaperNode createWaveShaper();
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PannerNode createPanner();
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ConvolverNode createConvolver();
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ChannelSplitterNode createChannelSplitter(optional unsigned long numberOfOutputs = 6);
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ChannelMergerNode createChannelMerger(optional unsigned long numberOfInputs = 6);
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DynamicsCompressorNode createDynamicsCompressor();
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OscillatorNode createOscillator();
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PeriodicWave createPeriodicWave(Float32Array real, Float32Array imag);
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};</pre>
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<pre id="audio-buffer-idl">interface AudioBuffer {
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readonly attribute float sampleRate;
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readonly attribute long length;
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// in seconds
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readonly attribute double duration;
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readonly attribute long numberOfChannels;
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Float32Array getChannelData(unsigned long channel);
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};</pre>
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<div id="log"></div>
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<script>
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(function() {
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var idl_array = new IdlArray();
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idl_array.add_untested_idls(document.getElementById("event-target-idl").textContent);
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idl_array.add_untested_idls(document.getElementById("audio-context-idl").textContent);
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idl_array.add_idls(document.getElementById("audio-buffer-idl").textContent);
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// For these tests the value of the arguments is unimportant.
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audio_buffer = (new AudioContext).createBuffer(numberOfChannels = 1, length = 256, sampleRate = 44100);
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idl_array.add_objects({AudioBuffer: ["audio_buffer"]});
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idl_array.test();
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})();
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</script>
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</body>
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</html>
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<!DOCTYPE html>
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<html class="a">
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<head>
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<title>AudioDestinationNode IDL Test</title>
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<script src="/resources/testharness.js"></script><script src="/resources/testharnessreport.js"></script><script src="/resources/idlharness.js"></script><script src="/resources/webidl2/lib/webidl2.js"></script><script src="/webaudio/js/lodash.js"></script><script src="/webaudio/js/vendor-prefixes.js"></script><script src="/webaudio/js/helpers.js"></script><style type="text/css">
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#event-target-idl,
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#audio-context-idl,
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#audio-node-idl
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{ visibility:hidden; height: 0px;}
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</style>
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</head>
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<body class="a">
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<pre id="event-target-idl">interface EventTarget {
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void addEventListener(DOMString type, EventListener? callback, optional boolean capture = false);
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void removeEventListener(DOMString type, EventListener? callback, optional boolean capture = false);
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boolean dispatchEvent(Event event);
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};
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/*
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callback interface EventListener {
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void handleEvent(Event event);
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};
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*/
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// Callback interfaces are not supported yet, but that's ok
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interface EventListener {};
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</pre>
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<pre id="audio-context-idl">callback DecodeSuccessCallback = void (AudioBuffer decodedData);
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callback DecodeErrorCallback = void ();
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[Constructor]
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interface AudioContext : EventTarget {
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readonly attribute AudioDestinationNode destination;
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readonly attribute float sampleRate;
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readonly attribute double currentTime;
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readonly attribute AudioListener listener;
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AudioBuffer createBuffer(unsigned long numberOfChannels, unsigned long length, float sampleRate);
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void decodeAudioData(ArrayBuffer audioData,
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DecodeSuccessCallback successCallback,
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optional DecodeErrorCallback errorCallback);
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// AudioNode creation
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AudioBufferSourceNode createBufferSource();
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MediaElementAudioSourceNode createMediaElementSource(HTMLMediaElement mediaElement);
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MediaStreamAudioSourceNode createMediaStreamSource(MediaStream mediaStream);
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MediaStreamAudioDestinationNode createMediaStreamDestination();
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ScriptProcessorNode createScriptProcessor(optional unsigned long bufferSize = 0,
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optional unsigned long numberOfInputChannels = 2,
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optional unsigned long numberOfOutputChannels = 2);
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AnalyserNode createAnalyser();
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GainNode createGain();
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DelayNode createDelay(optional double maxDelayTime = 1.0);
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BiquadFilterNode createBiquadFilter();
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WaveShaperNode createWaveShaper();
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PannerNode createPanner();
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ConvolverNode createConvolver();
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ChannelSplitterNode createChannelSplitter(optional unsigned long numberOfOutputs = 6);
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ChannelMergerNode createChannelMerger(optional unsigned long numberOfInputs = 6);
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DynamicsCompressorNode createDynamicsCompressor();
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OscillatorNode createOscillator();
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PeriodicWave createPeriodicWave(Float32Array real, Float32Array imag);
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};</pre>
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<pre id="audio-node-idl">enum ChannelCountMode {
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"max",
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"clamped-max",
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"explicit"
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};
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enum ChannelInterpretation {
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"speakers",
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"discrete"
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};
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interface AudioNode : EventTarget {
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void connect(AudioNode destination, optional unsigned long output = 0, optional unsigned long input = 0);
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void connect(AudioParam destination, optional unsigned long output = 0);
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void disconnect(optional unsigned long output = 0);
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readonly attribute AudioContext context;
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readonly attribute unsigned long numberOfInputs;
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readonly attribute unsigned long numberOfOutputs;
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// Channel up-mixing and down-mixing rules for all inputs.
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attribute unsigned long channelCount;
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attribute ChannelCountMode channelCountMode;
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attribute ChannelInterpretation channelInterpretation;
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};</pre>
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<pre id="audio-destination-node-idl">interface AudioDestinationNode : AudioNode {
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readonly attribute unsigned long maxChannelCount;
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};</pre>
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<div id="log"></div>
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<script>
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(function() {
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var idl_array = new IdlArray();
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idl_array.add_untested_idls(document.getElementById("event-target-idl").textContent);
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idl_array.add_untested_idls(document.getElementById("audio-context-idl").textContent);
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idl_array.add_untested_idls(document.getElementById("audio-node-idl").textContent);
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idl_array.add_idls(document.getElementById("audio-destination-node-idl").textContent);
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audio_destination_node = (new AudioContext).destination;
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idl_array.add_objects({AudioDestinationNode: ["audio_destination_node"]});
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idl_array.test();
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})();
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</script>
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</body>
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</html>
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<!DOCTYPE html>
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<html class="a">
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<head>
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<title>DelayNode IDL Test</title>
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<script src="/resources/testharness.js"></script><script src="/resources/testharnessreport.js"></script><script src="/resources/idlharness.js"></script><script src="/resources/webidl2/lib/webidl2.js"></script><script src="/webaudio/js/lodash.js"></script><script src="/webaudio/js/vendor-prefixes.js"></script><script src="/webaudio/js/helpers.js"></script><style type="text/css">
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#event-target-idl,
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#audio-context-idl,
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#audio-node-idl,
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#audio-param-idl
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{ visibility:hidden; height: 0px;}
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</style>
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</head>
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<body class="a">
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<pre id="event-target-idl">interface EventTarget {
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void addEventListener(DOMString type, EventListener? callback, optional boolean capture = false);
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void removeEventListener(DOMString type, EventListener? callback, optional boolean capture = false);
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boolean dispatchEvent(Event event);
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};
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/*
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callback interface EventListener {
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void handleEvent(Event event);
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};
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*/
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// Callback interfaces are not supported yet, but that's ok
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interface EventListener {};
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</pre>
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<pre id="audio-context-idl">callback DecodeSuccessCallback = void (AudioBuffer decodedData);
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callback DecodeErrorCallback = void ();
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[Constructor]
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interface AudioContext : EventTarget {
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readonly attribute AudioDestinationNode destination;
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readonly attribute float sampleRate;
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readonly attribute double currentTime;
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readonly attribute AudioListener listener;
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AudioBuffer createBuffer(unsigned long numberOfChannels, unsigned long length, float sampleRate);
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void decodeAudioData(ArrayBuffer audioData,
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DecodeSuccessCallback successCallback,
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optional DecodeErrorCallback errorCallback);
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// AudioNode creation
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AudioBufferSourceNode createBufferSource();
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MediaElementAudioSourceNode createMediaElementSource(HTMLMediaElement mediaElement);
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MediaStreamAudioSourceNode createMediaStreamSource(MediaStream mediaStream);
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MediaStreamAudioDestinationNode createMediaStreamDestination();
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ScriptProcessorNode createScriptProcessor(optional unsigned long bufferSize = 0,
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optional unsigned long numberOfInputChannels = 2,
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optional unsigned long numberOfOutputChannels = 2);
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AnalyserNode createAnalyser();
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GainNode createGain();
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DelayNode createDelay(optional double maxDelayTime = 1.0);
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BiquadFilterNode createBiquadFilter();
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WaveShaperNode createWaveShaper();
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PannerNode createPanner();
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ConvolverNode createConvolver();
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ChannelSplitterNode createChannelSplitter(optional unsigned long numberOfOutputs = 6);
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ChannelMergerNode createChannelMerger(optional unsigned long numberOfInputs = 6);
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DynamicsCompressorNode createDynamicsCompressor();
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OscillatorNode createOscillator();
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PeriodicWave createPeriodicWave(Float32Array real, Float32Array imag);
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};</pre>
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<pre id="audio-node-idl">enum ChannelCountMode {
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"max",
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"clamped-max",
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"explicit"
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};
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enum ChannelInterpretation {
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"speakers",
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"discrete"
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};
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interface AudioNode : EventTarget {
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void connect(AudioNode destination, optional unsigned long output = 0, optional unsigned long input = 0);
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void connect(AudioParam destination, optional unsigned long output = 0);
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void disconnect(optional unsigned long output = 0);
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readonly attribute AudioContext context;
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readonly attribute unsigned long numberOfInputs;
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readonly attribute unsigned long numberOfOutputs;
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// Channel up-mixing and down-mixing rules for all inputs.
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attribute unsigned long channelCount;
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attribute ChannelCountMode channelCountMode;
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attribute ChannelInterpretation channelInterpretation;
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};</pre>
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<pre id="audio-param-idl">interface AudioParam {
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attribute float value;
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readonly attribute float defaultValue;
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// Parameter automation.
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void setValueAtTime(float value, double startTime);
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void linearRampToValueAtTime(float value, double endTime);
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void exponentialRampToValueAtTime(float value, double endTime);
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// Exponentially approach the target value with a rate having the given time constant.
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void setTargetAtTime(float target, double startTime, double timeConstant);
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// Sets an array of arbitrary parameter values starting at time for the given duration.
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// The number of values will be scaled to fit into the desired duration.
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void setValueCurveAtTime(Float32Array values, double startTime, double duration);
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// Cancels all scheduled parameter changes with times greater than or equal to startTime.
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void cancelScheduledValues(double startTime);
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};</pre>
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<pre id="delay-node-idl">interface DelayNode : AudioNode {
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readonly attribute AudioParam delayTime;
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};</pre>
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<div id="log"></div>
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<script>
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(function() {
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var idl_array = new IdlArray();
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idl_array.add_untested_idls(document.getElementById("event-target-idl").textContent);
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idl_array.add_untested_idls(document.getElementById("audio-context-idl").textContent);
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idl_array.add_untested_idls(document.getElementById("audio-node-idl").textContent);
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idl_array.add_untested_idls(document.getElementById("audio-param-idl").textContent);
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idl_array.add_idls(document.getElementById("delay-node-idl").textContent);
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delay_node = (new AudioContext).createDelay();
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idl_array.add_objects({DelayNode: ["delay_node"]});
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idl_array.test();
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})();
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</script>
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</body>
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</html>
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Binary file not shown.
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<!DOCTYPE html>
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<html class="a">
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<head>
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<title>GainNode IDL Test</title>
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<script src="/resources/testharness.js"></script><script src="/resources/testharnessreport.js"></script><script src="/resources/idlharness.js"></script><script src="/resources/webidl2/lib/webidl2.js"></script><script src="/webaudio/js/lodash.js"></script><script src="/webaudio/js/vendor-prefixes.js"></script><script src="/webaudio/js/helpers.js"></script><style type="text/css">
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#event-target-idl,
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#audio-context-idl,
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#audio-node-idl,
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#audio-param-idl
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{ visibility:hidden; height: 0px;}
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</style>
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</head>
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<body class="a">
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<pre id="event-target-idl">interface EventTarget {
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void addEventListener(DOMString type, EventListener? callback, optional boolean capture = false);
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void removeEventListener(DOMString type, EventListener? callback, optional boolean capture = false);
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boolean dispatchEvent(Event event);
|
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};
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/*
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callback interface EventListener {
|
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void handleEvent(Event event);
|
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};
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*/
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// Callback interfaces are not supported yet, but that's ok
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interface EventListener {};
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</pre>
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<pre id="audio-context-idl">callback DecodeSuccessCallback = void (AudioBuffer decodedData);
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callback DecodeErrorCallback = void ();
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[Constructor]
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interface AudioContext : EventTarget {
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readonly attribute AudioDestinationNode destination;
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readonly attribute float sampleRate;
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readonly attribute double currentTime;
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readonly attribute AudioListener listener;
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AudioBuffer createBuffer(unsigned long numberOfChannels, unsigned long length, float sampleRate);
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|
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void decodeAudioData(ArrayBuffer audioData,
|
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DecodeSuccessCallback successCallback,
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optional DecodeErrorCallback errorCallback);
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// AudioNode creation
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AudioBufferSourceNode createBufferSource();
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MediaElementAudioSourceNode createMediaElementSource(HTMLMediaElement mediaElement);
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MediaStreamAudioSourceNode createMediaStreamSource(MediaStream mediaStream);
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MediaStreamAudioDestinationNode createMediaStreamDestination();
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ScriptProcessorNode createScriptProcessor(optional unsigned long bufferSize = 0,
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optional unsigned long numberOfInputChannels = 2,
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optional unsigned long numberOfOutputChannels = 2);
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AnalyserNode createAnalyser();
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GainNode createGain();
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DelayNode createDelay(optional double maxDelayTime = 1.0);
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BiquadFilterNode createBiquadFilter();
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WaveShaperNode createWaveShaper();
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PannerNode createPanner();
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ConvolverNode createConvolver();
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ChannelSplitterNode createChannelSplitter(optional unsigned long numberOfOutputs = 6);
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ChannelMergerNode createChannelMerger(optional unsigned long numberOfInputs = 6);
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DynamicsCompressorNode createDynamicsCompressor();
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OscillatorNode createOscillator();
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PeriodicWave createPeriodicWave(Float32Array real, Float32Array imag);
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};</pre>
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<pre id="audio-node-idl">enum ChannelCountMode {
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"max",
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"clamped-max",
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"explicit"
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};
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|
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enum ChannelInterpretation {
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"speakers",
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"discrete"
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};
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interface AudioNode : EventTarget {
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void connect(AudioNode destination, optional unsigned long output = 0, optional unsigned long input = 0);
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void connect(AudioParam destination, optional unsigned long output = 0);
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void disconnect(optional unsigned long output = 0);
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readonly attribute AudioContext context;
|
||||
readonly attribute unsigned long numberOfInputs;
|
||||
readonly attribute unsigned long numberOfOutputs;
|
||||
|
||||
// Channel up-mixing and down-mixing rules for all inputs.
|
||||
attribute unsigned long channelCount;
|
||||
attribute ChannelCountMode channelCountMode;
|
||||
attribute ChannelInterpretation channelInterpretation;
|
||||
|
||||
};</pre>
|
||||
|
||||
<pre id="audio-param-idl">interface AudioParam {
|
||||
|
||||
attribute float value;
|
||||
readonly attribute float defaultValue;
|
||||
|
||||
// Parameter automation.
|
||||
void setValueAtTime(float value, double startTime);
|
||||
void linearRampToValueAtTime(float value, double endTime);
|
||||
void exponentialRampToValueAtTime(float value, double endTime);
|
||||
|
||||
// Exponentially approach the target value with a rate having the given time constant.
|
||||
void setTargetAtTime(float target, double startTime, double timeConstant);
|
||||
|
||||
// Sets an array of arbitrary parameter values starting at time for the given duration.
|
||||
// The number of values will be scaled to fit into the desired duration.
|
||||
void setValueCurveAtTime(Float32Array values, double startTime, double duration);
|
||||
|
||||
// Cancels all scheduled parameter changes with times greater than or equal to startTime.
|
||||
void cancelScheduledValues(double startTime);
|
||||
|
||||
};</pre>
|
||||
|
||||
<pre id="gain-node-idl">interface GainNode : AudioNode {
|
||||
|
||||
readonly attribute AudioParam gain;
|
||||
|
||||
};</pre>
|
||||
|
||||
<div id="log"></div>
|
||||
|
||||
<script>
|
||||
(function() {
|
||||
var idl_array = new IdlArray();
|
||||
idl_array.add_untested_idls(document.getElementById("event-target-idl").textContent);
|
||||
idl_array.add_untested_idls(document.getElementById("audio-context-idl").textContent);
|
||||
idl_array.add_untested_idls(document.getElementById("audio-node-idl").textContent);
|
||||
idl_array.add_untested_idls(document.getElementById("audio-param-idl").textContent);
|
||||
idl_array.add_idls(document.getElementById("gain-node-idl").textContent);
|
||||
|
||||
gain_node = (new AudioContext).createGain();
|
||||
|
||||
idl_array.add_objects({GainNode: ["gain_node"]});
|
||||
idl_array.test();
|
||||
})();
|
||||
</script>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,121 @@
|
|||
<!doctype html>
|
||||
|
||||
<!--
|
||||
Tests that GainNode is properly scaling the gain.
|
||||
We'll render 11 notes, starting at a gain of 1.0, decreasing in gain by 0.1.
|
||||
The 11th note will be of gain 0.0, so it should be silent (at the end in the rendered output).
|
||||
|
||||
Based on a test from the WebKit test suite
|
||||
(https://github.com/WebKit/webkit/blob/master/LayoutTests/webaudio/gain.html)
|
||||
-->
|
||||
|
||||
<html class="a">
|
||||
<head>
|
||||
<title>GainNode interface</title>
|
||||
<script src="/resources/testharness.js"></script>
|
||||
<script src="/resources/testharnessreport.js"></script>
|
||||
<script src="/webaudio/js/lodash.js"></script>
|
||||
<script src="/webaudio/js/vendor-prefixes.js"></script>
|
||||
<script src="/webaudio/js/helpers.js"></script>
|
||||
<script src="/webaudio/js/buffer-loader.js"></script>
|
||||
</head>
|
||||
<body class="a">
|
||||
<div id="log"></div>
|
||||
<script>
|
||||
var gainNodeTest = async_test("GainNode");
|
||||
|
||||
var sampleRate = 44100.0;
|
||||
var bufferDurationSeconds = 0.125;
|
||||
var numberOfNotes = 11;
|
||||
var noteSpacing = bufferDurationSeconds + 0.020; // leave 20ms of silence between each "note"
|
||||
var lengthInSeconds = numberOfNotes * noteSpacing;
|
||||
|
||||
var context = 0;
|
||||
var expectedBuffer = 0;
|
||||
var actualBuffer = 0;
|
||||
var sinWaveBuffer = 0;
|
||||
|
||||
function createSinWaveBuffer(lengthInSeconds, frequency) {
|
||||
var audioBuffer = context.createBuffer(2, lengthInSeconds * sampleRate, sampleRate);
|
||||
|
||||
var n = audioBuffer.length;
|
||||
var channelL = audioBuffer.getChannelData(0);
|
||||
var channelR = audioBuffer.getChannelData(1);
|
||||
|
||||
for (var i = 0; i < n; ++i) {
|
||||
channelL[i] = Math.sin(frequency * 2.0*Math.PI * i / sampleRate);
|
||||
channelR[i] = channelL[i];
|
||||
}
|
||||
|
||||
return audioBuffer;
|
||||
}
|
||||
|
||||
function playNote(time, gain) {
|
||||
var source = context.createBufferSource();
|
||||
source.buffer = sinWaveBuffer;
|
||||
|
||||
var gainNode = context.createGain();
|
||||
gainNode.gain.value = gain;
|
||||
|
||||
source.connect(gainNode);
|
||||
gainNode.connect(context.destination);
|
||||
|
||||
source.start(time);
|
||||
}
|
||||
|
||||
function loadExpectedBuffer(event) {
|
||||
actualBuffer = event.renderedBuffer;
|
||||
|
||||
bufferLoader = new BufferLoader(
|
||||
context,
|
||||
['/webaudio/the-audio-api/the-gainnode-interface/gain-expected.wav'],
|
||||
bufferLoadCompleted
|
||||
);
|
||||
bufferLoader.load();
|
||||
};
|
||||
|
||||
function bufferLoadCompleted(buffer) {
|
||||
compareExpectedWithActualBuffer(buffer);
|
||||
};
|
||||
|
||||
setup( function() {
|
||||
// Create offline audio context.
|
||||
context = new OfflineAudioContext(2, sampleRate * lengthInSeconds, sampleRate);
|
||||
|
||||
// Create a buffer for a short "note".
|
||||
sinWaveBuffer = createSinWaveBuffer(bufferDurationSeconds, 880.0);
|
||||
|
||||
// Render 11 notes, starting at a gain of 1.0, decreasing in gain by 0.1.
|
||||
// The last note will be of gain 0.0, so shouldn't be perceptible in the rendered output.
|
||||
for (var i = 0; i < numberOfNotes; ++i) {
|
||||
var time = i * noteSpacing;
|
||||
var gain = 1.0 - i / (numberOfNotes - 1);
|
||||
playNote(time, gain);
|
||||
}
|
||||
|
||||
context.oncomplete = loadExpectedBuffer;
|
||||
context.startRendering();
|
||||
}, {timeout: 10000});
|
||||
|
||||
function compareExpectedWithActualBuffer(expected) {
|
||||
var expectedBuffer = expected[0];
|
||||
|
||||
gainNodeTest.step(function() {
|
||||
assert_array_approx_equals(expectedBuffer.getChannelData(0),
|
||||
actualBuffer.getChannelData(0),
|
||||
1e-4,
|
||||
"comparing expected and rendered buffers (channel 0)");
|
||||
});
|
||||
|
||||
gainNodeTest.step(function() {
|
||||
assert_array_approx_equals(expectedBuffer.getChannelData(1),
|
||||
actualBuffer.getChannelData(1),
|
||||
1e-4,
|
||||
"comparing expected and rendered buffers (channel 1)");
|
||||
});
|
||||
|
||||
gainNodeTest.done();
|
||||
};
|
||||
</script>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,123 @@
|
|||
<!doctype html>
|
||||
|
||||
<!--
|
||||
Tests that a create MediaElementSourceNode that is passed through
|
||||
a script processor passes the stream data.
|
||||
The the script processor saves the input buffers it gets to a temporary
|
||||
array, and after the playback has stopped, the contents are compared
|
||||
to those of a loaded AudioBuffer with the same source.
|
||||
|
||||
Somewhat similiar to a test from Mozilla:
|
||||
(http://mxr.mozilla.org/mozilla-central/source/content/media/webaudio/test/test_mediaElementAudioSourceNode.html?force=1)
|
||||
-->
|
||||
|
||||
<html class="a">
|
||||
<head>
|
||||
<title>MediaElementAudioSource interface test (to scriptProcessor)</title>
|
||||
<script src="/resources/testharness.js"></script>
|
||||
<script src="/resources/testharnessreport.js"></script>
|
||||
<script src="/webaudio/js/lodash.js"></script>
|
||||
<script src="/webaudio/js/vendor-prefixes.js"></script>
|
||||
<script src="/webaudio/js/helpers.js"></script>
|
||||
<script src="/webaudio/js/buffer-loader.js"></script>
|
||||
</head>
|
||||
<body class="a">
|
||||
<div id="log"></div>
|
||||
<script>
|
||||
var elementSourceTest = async_test("Element Source tests completed");
|
||||
|
||||
var src = '/webaudio/resources/sin_440Hz_-6dBFS_1s.wav';
|
||||
var BUFFER_SIZE = 2048;
|
||||
var context = null;
|
||||
var actualBufferArrayC0 = new Float32Array(0);
|
||||
var actualBufferArrayC1 = new Float32Array(0);
|
||||
var audio = null, source = null, processor = null
|
||||
|
||||
function loadExpectedBuffer(event) {
|
||||
bufferLoader = new BufferLoader(
|
||||
context,
|
||||
[src],
|
||||
bufferLoadCompleted
|
||||
);
|
||||
bufferLoader.load();
|
||||
};
|
||||
|
||||
function bufferLoadCompleted(buffer) {
|
||||
runTests(buffer);
|
||||
};
|
||||
|
||||
function concatTypedArray(arr1, arr2) {
|
||||
var result = new Float32Array(arr1.length + arr2.length);
|
||||
result.set(arr1);
|
||||
result.set(arr2, arr1.length);
|
||||
return result;
|
||||
}
|
||||
|
||||
// Create Audio context
|
||||
context = new AudioContext();
|
||||
|
||||
// Create an audio element, and a media element source
|
||||
audio = document.createElement('audio');
|
||||
audio.src = src;
|
||||
source = context.createMediaElementSource(audio);
|
||||
|
||||
// Create a processor node to copy the input to the actual buffer
|
||||
processor = context.createScriptProcessor(BUFFER_SIZE);
|
||||
source.connect(processor);
|
||||
processor.connect(context.destination);
|
||||
processor.addEventListener('audioprocess',
|
||||
(function (e) {
|
||||
actualBufferArrayC0 = concatTypedArray(actualBufferArrayC0, e.inputBuffer.getChannelData(0));
|
||||
actualBufferArrayC1 = concatTypedArray(actualBufferArrayC1, e.inputBuffer.getChannelData(1));
|
||||
}));
|
||||
|
||||
// When media playback ended, save the begin to compare with expected buffer
|
||||
audio.addEventListener("ended", function(e) {
|
||||
// Setting a timeout since we need audioProcess event to run for all samples
|
||||
window.setTimeout(loadExpectedBuffer, 50);
|
||||
});
|
||||
|
||||
audio.play();
|
||||
|
||||
function runTests(expected) {
|
||||
source.disconnect();
|
||||
processor.disconnect();
|
||||
|
||||
// firefox seems to process events after disconnect
|
||||
processor.removeEventListener('audioprocess')
|
||||
|
||||
var expectedBuffer = expected[0];
|
||||
|
||||
// Trim the actual elements because we don't have a fine-grained
|
||||
// control over the start and end time of recording the data.
|
||||
var actualTrimmedC0 = trimEmptyElements(actualBufferArrayC0);
|
||||
var actualTrimmedC1 = trimEmptyElements(actualBufferArrayC1);
|
||||
var expectedLength = trimEmptyElements(expectedBuffer.getChannelData(0)).length;
|
||||
|
||||
// Test that there is some data.
|
||||
test(function() {
|
||||
assert_greater_than(actualTrimmedC0.length, 0,
|
||||
"processed data array (C0) length greater than 0");
|
||||
assert_greater_than(actualTrimmedC1.length, 0,
|
||||
"processed data array (C1) length greater than 0");
|
||||
}, "Channel 0 processed some data");
|
||||
|
||||
// Test the actual contents of the 1st and second channel.
|
||||
test(function() {
|
||||
assert_array_approx_equals(
|
||||
actualTrimmedC0,
|
||||
trimEmptyElements(expectedBuffer.getChannelData(0)),
|
||||
1e-4,
|
||||
"comparing expected and rendered buffers (channel 0)");
|
||||
assert_array_approx_equals(
|
||||
actualTrimmedC1,
|
||||
trimEmptyElements(expectedBuffer.getChannelData(1)),
|
||||
1e-4,
|
||||
"comparing expected and rendered buffers (channel 1)");
|
||||
}, "All data processed correctly");
|
||||
|
||||
elementSourceTest.done();
|
||||
};
|
||||
</script>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,212 @@
|
|||
<!doctype html>
|
||||
<html>
|
||||
<head>
|
||||
<title>WaveShaperNode interface - Curve tests | WebAudio</title>
|
||||
|
||||
<script type="text/javascript" src="../../../resources/testharness.js"></script>
|
||||
<script type="text/javascript" src="../../../resources/testharnessreport.js"></script>
|
||||
<script type="text/javascript" src="../../js/vendor-prefixes.js"></script>
|
||||
</head>
|
||||
<body>
|
||||
<div id="log">
|
||||
</div>
|
||||
|
||||
<script type="text/javascript">
|
||||
var sampleRate=44100.0;
|
||||
var tolerance=0.01;
|
||||
|
||||
/*
|
||||
Testing that -1, 0 and +1 map correctly to curve (with 1:1 correlation)
|
||||
=======================================================================
|
||||
From the specification:
|
||||
The input signal is nominally within the range -1 -> +1.
|
||||
Each input sample within this range will index into the shaping curve with a signal level of zero corresponding
|
||||
to the center value of the curve array.
|
||||
*/
|
||||
(function() {
|
||||
var threeElementCurve=[2.0, -3.0, 4.0];
|
||||
var inputData=[-1.0, 0, 1.0];
|
||||
var expectedData=[2.0, -3.0, 4.0];
|
||||
executeTest(threeElementCurve, inputData, expectedData, "Testing that -1, 0 and +1 map correctly to curve (with 1:1 correlation)");
|
||||
})();
|
||||
|
||||
/*
|
||||
Testing interpolation (where inputs don't correlate directly to curve elements)
|
||||
===============================================================================
|
||||
From the specification:
|
||||
The implementation must perform linear interpolation between adjacent points in the curve.
|
||||
*/
|
||||
(function() {
|
||||
var threeElementCurve=[2.0, -3.0, 4.0];
|
||||
var inputData=[-0.5, +0.5, +0.75];
|
||||
var expectedData=[-0.5, +0.5, +2.25];
|
||||
executeTest(threeElementCurve, inputData, expectedData, "Testing interpolation (where inputs don't correlate directly to curve elements)");
|
||||
})();
|
||||
|
||||
/*
|
||||
Testing out-of-range inputs (should be mapped to the first/last elements of the curve)
|
||||
======================================================================================
|
||||
From the specification:
|
||||
Any sample value less than -1 will correspond to the first value in the curve array.
|
||||
Any sample value greater than +1 will correspond to the last value in the curve array.
|
||||
*/
|
||||
(function() {
|
||||
var threeElementCurve=[2.0, -3.0, 4.0];
|
||||
var inputData=[-1.5, +1.5];
|
||||
var expectedData=[2.0, 4.0];
|
||||
executeTest(threeElementCurve, inputData, expectedData, "Testing out-of-range inputs (should be mapped to the first/last elements of the curve)");
|
||||
})();
|
||||
|
||||
/*
|
||||
Testing a 2-element curve (does not have a middle element)
|
||||
==========================================================
|
||||
From the specification:
|
||||
Each input sample within this range will index into the shaping curve with a signal level of zero corresponding
|
||||
to the center value of the curve array.
|
||||
The implementation must perform linear interpolation between adjacent points in the curve.
|
||||
*/
|
||||
(function() {
|
||||
var twoElementCurve=[2.0, -2.0];
|
||||
var inputData=[-1.0, 0, 1.0];
|
||||
var expectedData=[2.0, 0.0, -2.0];
|
||||
executeTest(twoElementCurve, inputData, expectedData, "Testing a 2-element curve (does not have a middle element)");
|
||||
})();
|
||||
|
||||
/*
|
||||
Testing a 4-element curve (does not have a middle element)
|
||||
==========================================================
|
||||
From the specification:
|
||||
Each input sample within this range will index into the shaping curve with a signal level of zero corresponding
|
||||
to the center value of the curve array.
|
||||
The implementation must perform linear interpolation between adjacent points in the curve.
|
||||
*/
|
||||
(function() {
|
||||
var fourElementCurve=[1.0, 2.0, 4.0, 7.0];
|
||||
var inputData=[-1.0, 0, 1.0];
|
||||
var expectedData=[1.0, 3.0, 7.0];
|
||||
executeTest(fourElementCurve, inputData, expectedData, "Testing a 4-element curve (does not have a middle element)");
|
||||
})();
|
||||
|
||||
/*
|
||||
Testing a huge curve
|
||||
====================
|
||||
From the specification:
|
||||
Each input sample within this range will index into the shaping curve with a signal level of zero corresponding
|
||||
to the center value of the curve array.
|
||||
*/
|
||||
(function() {
|
||||
var bigCurve=[];
|
||||
for(var i=0;i<=60000;i++) { bigCurve.push(i/3.5435); }
|
||||
var inputData=[-1.0, 0, 1.0];
|
||||
var expectedData=[bigCurve[0], bigCurve[30000], bigCurve[60000]];
|
||||
executeTest(bigCurve, inputData, expectedData, "Testing a huge curve");
|
||||
})();
|
||||
|
||||
/*
|
||||
Testing single-element curve (boundary condition)
|
||||
=================================================
|
||||
From the specification:
|
||||
Each input sample within this range will index into the shaping curve with a signal level of zero corresponding
|
||||
to the center value of the curve array.
|
||||
Any sample value less than -1 will correspond to the first value in the curve array.
|
||||
Any sample value greater than +1 will correspond to the last value in the curve array.
|
||||
The implementation must perform linear interpolation between adjacent points in the curve.
|
||||
Note:
|
||||
I found a post on the W3C audio mailing list (from one of the Chris's) that suggested it would be feasible
|
||||
to use the WaveShaperNode to create constant values.
|
||||
*/
|
||||
(function() {
|
||||
var oneElementCurve=[1.0];
|
||||
var inputData=[-1.0, 0, 1.0, -2.0, 2.0];
|
||||
var expectedData=[1.0, 1.0, 1.0, 1.0, 1.0];
|
||||
executeTest(oneElementCurve, inputData, expectedData, "Testing single-element curve (boundary condition)");
|
||||
})();
|
||||
|
||||
/*
|
||||
Testing null curve (should return input values)
|
||||
===============================================
|
||||
From the specification:
|
||||
Initially the curve attribute is null, which means that the WaveShaperNode will pass its input to its output
|
||||
without modification.
|
||||
*/
|
||||
(function() {
|
||||
var inputData=[-1.0, 0, 1.0, 2.0];
|
||||
var expectedData=[-1.0, 0.0, 1.0, 2.0];
|
||||
executeTest(null, inputData, expectedData, "Testing null curve (should return input values)");
|
||||
})();
|
||||
|
||||
/*
|
||||
Testing zero-element curve (unspecified result)
|
||||
===============================================
|
||||
From the specification:
|
||||
Unspecified result (I assume it will be treated in the same way as a null curve).
|
||||
Note:
|
||||
Mozilla test_waveShaperNoCurve.html indicates they expect same results as a null curve.
|
||||
*/
|
||||
(function() {
|
||||
var zeroElementCurve=[];
|
||||
var inputData=[-1.0, 0, 1.0, 2.0];
|
||||
var expectedData=[-1.0, 0.0, 1.0, 2.0];
|
||||
executeTest(zeroElementCurve, inputData, expectedData, "Testing zero-element curve (unspecified result)");
|
||||
})();
|
||||
|
||||
|
||||
/**
|
||||
* Function that does the actual testing (using an asynchronous test).
|
||||
* @param {?Array.<number>} curveData - Array containing values for the WaveShaper curve.
|
||||
* @param {!Array.<number>} inputData - Array containing values for the input stream.
|
||||
* @param {!Array.<number>} expectedData - Array containing expected results for each of the corresponding inputs.
|
||||
* @param {!string} testName - Name of the test case.
|
||||
*/
|
||||
function executeTest(curveData, inputData, expectedData, testName) {
|
||||
var stTest=async_test("WaveShaperNode - "+testName);
|
||||
|
||||
// Create offline audio context.
|
||||
var ac=new OfflineAudioContext(1, inputData.length, sampleRate);
|
||||
|
||||
// Create the WaveShaper and its curve.
|
||||
var waveShaper=ac.createWaveShaper();
|
||||
if(curveData!=null) {
|
||||
var curve=new Float32Array(curveData.length);
|
||||
for(var i=0;i<curveData.length;i++) { curve[i]=curveData[i]; }
|
||||
waveShaper.curve=curve;
|
||||
}
|
||||
waveShaper.connect(ac.destination);
|
||||
|
||||
// Create buffer containing the input values.
|
||||
var inputBuffer=ac.createBuffer(1, Math.max(inputData.length, 2), sampleRate);
|
||||
var d=inputBuffer.getChannelData(0);
|
||||
for(var i=0;i<inputData.length;i++) { d[i]=inputData[i]; }
|
||||
|
||||
// Play the input buffer through the WaveShaper.
|
||||
var src=ac.createBufferSource();
|
||||
src.buffer=inputBuffer;
|
||||
src.connect(waveShaper);
|
||||
src.start();
|
||||
|
||||
// Test the outputs match the expected values.
|
||||
ac.oncomplete=function(ev) {
|
||||
var d=ev.renderedBuffer.getChannelData(0);
|
||||
|
||||
stTest.step(function() {
|
||||
for(var i=0;i<expectedData.length;i++) {
|
||||
var curveText="null";
|
||||
if(curve!=null) {
|
||||
if(curveData.length<20) {
|
||||
curveText=curveData.join(",");
|
||||
} else {
|
||||
curveText="TooBigToDisplay ("+(curveData.length-1)+" elements)";
|
||||
}
|
||||
}
|
||||
var comment="Input="+inputData[i]+", Curve=["+curveText+"] >>> ";
|
||||
assert_approx_equals(d[i], expectedData[i], tolerance, comment);
|
||||
}
|
||||
});
|
||||
|
||||
stTest.done();
|
||||
};
|
||||
ac.startRendering();
|
||||
}
|
||||
</script>
|
||||
</body>
|
||||
</html>
|
||||
Loading…
Add table
Add a link
Reference in a new issue