Implement Automations for PannerNode and AutioListener

third_party/WebKit/LayoutTests/webaudio/resources/panner-model-testing.js

 var sampleRate = 44100.0;
 
 var numberOfChannels = 1;
 
 // Time step when each panner node starts.
 var timeStep = 0.001;
 
 // Length of the impulse signal.
 var pulseLengthFrames = Math.round(timeStep * sampleRate);
 
 // How many panner nodes to create for the test
 var nodesToCreate = 100;
 
 // Be sure we render long enough for all of our nodes.
 var renderLengthSeconds = timeStep * (nodesToCreate + 1);
 
 // These are global mostly for debugging.
 var context;
 var impulse;
 var bufferSource;
 var panner;
 var position;
 var time;
       
 var renderedBuffer;
 var renderedLeft;
 var renderedRight;
 
-function createGraph(context, nodeCount) {
+function createGraph(context, nodeCount, positionSetter) {
     bufferSource = new Array(nodeCount);
     panner = new Array(nodeCount);
     position = new Array(nodeCount);
     time = new Array(nodeCount);
     // Angle between panner locations.  (nodeCount - 1 because we want
     // to include both 0 and 180 deg.
     var angleStep = Math.PI / (nodeCount - 1);
 
     if (numberOfChannels == 2) {
         impulse = createStereoImpulseBuffer(context, pulseLengthFrames);
     }
     else
         impulse = createImpulseBuffer(context, pulseLengthFrames);
 
     for (var k = 0; k < nodeCount; ++k) {
         bufferSource[k] = context.createBufferSource();
         bufferSource[k].buffer = impulse;
 
         panner[k] = context.createPanner();
         panner[k].panningModel = "equalpower";
         panner[k].distanceModel = "linear";
 
         var angle = angleStep * k;
         position[k] = {angle : angle, x : Math.cos(angle), z : Math.sin(angle)};
-        panner[k].setPosition(position[k].x, 0, position[k].z);
+        //panner[k].setPosition(position[k].x, 0, position[k].z);

[hongchan, 2016/05/03 18:15:01]

Are we keeping this commented line as well?

[Raymond Toy, 2016/05/03 20:32:21]

Should be deleted.

+        positionSetter(panner[k], position[k].x, 0, position[k].z);
 
         bufferSource[k].connect(panner[k]);
         panner[k].connect(context.destination);
 
         // Start the source
         time[k] = k * timeStep;
         bufferSource[k].start(time[k]);
     }
 }
 
-function createTestAndRun(context, nodeCount, numberOfSourceChannels) {
+function createTestAndRun(context, nodeCount, numberOfSourceChannels, positionSetter) {
     numberOfChannels = numberOfSourceChannels;
 
-    createGraph(context, nodeCount);
+    createGraph(context, nodeCount, positionSetter);
 
     context.oncomplete = checkResult;
     context.startRendering();
 }
 
 // Map our position angle to the azimuth angle (in degrees).
 //
 // An angle of 0 corresponds to an azimuth of 90 deg; pi, to -90 deg.
 function angleToAzimuth(angle) {
     return 90 - angle * 180 / Math.PI;
@@ skipping 121 matching lines @@
     }
 
     if (success) {
         testPassed("EqualPower panner test passed");
     } else {
         testFailed("EqualPower panner test failed");
     }
 
     finishJSTest();
 }