Attachment 125038 Details for Bug 74273 – Patch

[patch] Patch

bug-74273-20120201161127.patch (text/plain), 18.60 KB, created by Raymond Toy on 2012-02-01 16:11:28 PST

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Creator: Raymond Toy

Created: 2012-02-01 16:11:28 PST

Size: 18.60 KB

patch

obsolete

>Subversion Revision: 106344
>diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
>index 559813e6368ebbdb5f2b2ef963cc5cc256ce6f1f..469804cf11ee5a311366e5718a62ae10237b98f7 100644
>--- a/Source/WebCore/ChangeLog
>+++ b/Source/WebCore/ChangeLog
>@@ -1,3 +1,19 @@
>+2012-01-09  Raymond Toy  <rtoy@google.com>
>+
>+        Constant values to set "distanceModel" are undefined
>+        https://bugs.webkit.org/show_bug.cgi?id=74273
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Tests: webaudio/distance-exponential.html
>+               webaudio/distance-inverse.html
>+               webaudio/distance-linear.html
>+
>+        * webaudio/AudioPannerNode.h: Define enum for the new constants
>+        for the distance models.
>+        * webaudio/AudioPannerNode.idl: Define matching constants for the
>+        distance models.
>+
> 2012-01-31  Pablo Flouret  <pablof@motorola.com>
> 
>         Fix compilation errors on build-webkit --debug --no-workers on mac.
>diff --git a/Source/WebCore/webaudio/AudioPannerNode.h b/Source/WebCore/webaudio/AudioPannerNode.h
>index 98d27743e4117943b26878e67ecd71e3964bdc4a..44597e88303146151d4fefa66675d796969e58cf 100644
>--- a/Source/WebCore/webaudio/AudioPannerNode.h
>+++ b/Source/WebCore/webaudio/AudioPannerNode.h
>@@ -53,6 +53,14 @@ public:
>         SOUNDFIELD = 2,
>     };
> 
>+    // These must be defined as in the .idl file and must match those
>+    // in the DistanceEffect class.
>+    enum {
>+        LINEAR_DISTANCE = 0,
>+        INVERSE_DISTANCE = 1,
>+        EXPONENTIAL_DISTANCE = 2,
>+    };
>+    
>     static PassRefPtr<AudioPannerNode> create(AudioContext* context, float sampleRate)
>     {
>         return adoptRef(new AudioPannerNode(context, sampleRate));
>diff --git a/Source/WebCore/webaudio/AudioPannerNode.idl b/Source/WebCore/webaudio/AudioPannerNode.idl
>index 2db093d7b503aa1e9cc45f64a717a0c1844badd7..597a3eadfbac9e76ba9da74233be15b9d74254ee 100644
>--- a/Source/WebCore/webaudio/AudioPannerNode.idl
>+++ b/Source/WebCore/webaudio/AudioPannerNode.idl
>@@ -33,6 +33,11 @@ module audio {
>         const unsigned short HRTF = 1;
>         const unsigned short SOUNDFIELD = 2;
> 
>+        // Distance model
>+        const unsigned short LINEAR_DISTANCE = 0;
>+        const unsigned short INVERSE_DISTANCE = 1;
>+        const unsigned short EXPONENTIAL_DISTANCE = 2;
>+
>         // Default model for stereo is HRTF 
>         attribute unsigned long panningModel; // FIXME: use unsigned short when glue generation supports it
> 
>diff --git a/LayoutTests/ChangeLog b/LayoutTests/ChangeLog
>index 985e5e2893420100684800150245a07b6ee044b7..81cb9511807795433d68a6a421d133d594ac3233 100644
>--- a/LayoutTests/ChangeLog
>+++ b/LayoutTests/ChangeLog
>@@ -1,3 +1,27 @@
>+2012-01-09  Raymond Toy  <rtoy@google.com>
>+
>+        Constant values to set "distanceModel" are undefined
>+        https://bugs.webkit.org/show_bug.cgi?id=74273
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * webaudio/distance-exponential-expected.txt: Added.
>+        * webaudio/distance-exponential.html: Added.
>+        * webaudio/distance-inverse-expected.txt: Added.
>+        * webaudio/distance-inverse.html: Added.
>+        * webaudio/distance-linear-expected.txt: Added.
>+        * webaudio/distance-linear.html: Added.
>+        * webaudio/resources/distance-model-testing.js: Added.
>+        (createImpulseBuffer):
>+        (linearDistance):
>+        (exponentialDistance):
>+        (inverseDistance):
>+        (createGraph):
>+        (startSources):
>+        (equalPowerGain):
>+        (checkDistanceResult.return.renderedBuffer):
>+        (checkDistanceResult):
>+
> 2012-01-31  Yuzo Fujishima  <yuzo@google.com>
> 
>         [Chromium] Unreviewed test expectation change.
>diff --git a/LayoutTests/webaudio/distance-exponential-expected.txt b/LayoutTests/webaudio/distance-exponential-expected.txt
>new file mode 100644
>index 0000000000000000000000000000000000000000..4902e38a222c4ee1843a102352328e448fe67c09
>--- /dev/null
>+++ b/LayoutTests/webaudio/distance-exponential-expected.txt
>@@ -0,0 +1,12 @@
>+Test exponential distance model of AudioPannerNode.
>+
>+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
>+
>+PASS Distance model value matched expected value.
>+PASS Number of impulses found matches number of panner nodes.
>+PASS Distance gains are correct.
>+PASS Distance test passed for distance model 2
>+PASS successfullyParsed is true
>+
>+TEST COMPLETE
>+
>diff --git a/LayoutTests/webaudio/distance-exponential.html b/LayoutTests/webaudio/distance-exponential.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..b6afc0e3a4a22ddbfaef6ec3f700613638e091c3
>--- /dev/null
>+++ b/LayoutTests/webaudio/distance-exponential.html
>@@ -0,0 +1,40 @@
>+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
>+<html>
>+  <head>
>+    <link rel="stylesheet" href="../fast/js/resources/js-test-style.css"/>
>+    <script src="resources/audio-testing.js"></script>
>+    <script src="../fast/js/resources/js-test-pre.js"></script>
>+    <script src="resources/distance-model-testing.js"></script>
>+  </head>
>+
>+  <body>
>+    <div id="description"></div>
>+    <div id="console"></div>
>+
>+    <script>
>+      description("Test exponential distance model of AudioPannerNode.");
>+
>+      function runTest() {
>+          if (window.layoutTestController) {
>+              layoutTestController.dumpAsText();
>+              layoutTestController.waitUntilDone();
>+          }
>+
>+          window.jsTestIsAsync = true;
>+
>+          // Create offline audio context.
>+          context = new webkitAudioContext(2, sampleRate * renderLengthSeconds, sampleRate);
>+
>+          // Temp panner node so we can get the EXPONENTIAL_DISTANCE value.
>+          var tempPanner = context.createPanner();
>+          createTestAndRun(context, tempPanner.EXPONENTIAL_DISTANCE, 2);
>+      }
>+
>+      runTest();
>+      successfullyParsed = true;
>+
>+    </script>
>+
>+<script src="../fast/js/resources/js-test-post.js"></script>
>+  </body>
>+</html>
>diff --git a/LayoutTests/webaudio/distance-inverse-expected.txt b/LayoutTests/webaudio/distance-inverse-expected.txt
>new file mode 100644
>index 0000000000000000000000000000000000000000..65a949244fb29f872fde519c3f8ad7431e43788e
>--- /dev/null
>+++ b/LayoutTests/webaudio/distance-inverse-expected.txt
>@@ -0,0 +1,12 @@
>+Test inverse distance model of AudioPannerNode.
>+
>+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
>+
>+PASS Distance model value matched expected value.
>+PASS Number of impulses found matches number of panner nodes.
>+PASS Distance gains are correct.
>+PASS Distance test passed for distance model 1
>+PASS successfullyParsed is true
>+
>+TEST COMPLETE
>+
>diff --git a/LayoutTests/webaudio/distance-inverse.html b/LayoutTests/webaudio/distance-inverse.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..e5771746f011297a06c0788b787fefbe8fa8fdc9
>--- /dev/null
>+++ b/LayoutTests/webaudio/distance-inverse.html
>@@ -0,0 +1,40 @@
>+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
>+<html>
>+  <head>
>+    <link rel="stylesheet" href="../fast/js/resources/js-test-style.css"/>
>+    <script src="resources/audio-testing.js"></script>
>+    <script src="../fast/js/resources/js-test-pre.js"></script>
>+    <script src="resources/distance-model-testing.js"></script>
>+  </head>
>+
>+  <body>
>+    <div id="description"></div>
>+    <div id="console"></div>
>+
>+    <script>
>+      description("Test inverse distance model of AudioPannerNode.");
>+
>+      function runTest() {
>+          if (window.layoutTestController) {
>+              layoutTestController.dumpAsText();
>+              layoutTestController.waitUntilDone();
>+          }
>+
>+          window.jsTestIsAsync = true;
>+
>+          // Create offline audio context.
>+          context = new webkitAudioContext(2, sampleRate * renderLengthSeconds, sampleRate);
>+
>+          // Temp panner node so we can get the INVERSE_DISTANCE value.
>+          var tempPanner = context.createPanner();
>+          createTestAndRun(context, tempPanner.INVERSE_DISTANCE, 1);
>+      }
>+
>+      runTest();
>+      successfullyParsed = true;
>+
>+    </script>
>+
>+<script src="../fast/js/resources/js-test-post.js"></script>
>+  </body>
>+</html>
>diff --git a/LayoutTests/webaudio/distance-linear-expected.txt b/LayoutTests/webaudio/distance-linear-expected.txt
>new file mode 100644
>index 0000000000000000000000000000000000000000..c9d28a9151669d9657f6b45d8f682d4b07fdf9f4
>--- /dev/null
>+++ b/LayoutTests/webaudio/distance-linear-expected.txt
>@@ -0,0 +1,12 @@
>+Test linear distance model of AudioPannerNode.
>+
>+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
>+
>+PASS Distance model value matched expected value.
>+PASS Number of impulses found matches number of panner nodes.
>+PASS Distance gains are correct.
>+PASS Distance test passed for distance model 0
>+PASS successfullyParsed is true
>+
>+TEST COMPLETE
>+
>diff --git a/LayoutTests/webaudio/distance-linear.html b/LayoutTests/webaudio/distance-linear.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..b025563485cf556ade61d3f47b3fba98236984be
>--- /dev/null
>+++ b/LayoutTests/webaudio/distance-linear.html
>@@ -0,0 +1,40 @@
>+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
>+<html>
>+  <head>
>+    <link rel="stylesheet" href="../fast/js/resources/js-test-style.css"/>
>+    <script src="resources/audio-testing.js"></script>
>+    <script src="../fast/js/resources/js-test-pre.js"></script>
>+    <script src="resources/distance-model-testing.js"></script>
>+  </head>
>+
>+  <body>
>+    <div id="description"></div>
>+    <div id="console"></div>
>+
>+    <script>
>+      description("Test linear distance model of AudioPannerNode.");
>+
>+      function runTest() {
>+          if (window.layoutTestController) {
>+              layoutTestController.dumpAsText();
>+              layoutTestController.waitUntilDone();
>+          }
>+
>+          window.jsTestIsAsync = true;
>+
>+          // Create offline audio context.
>+          context = new webkitAudioContext(2, sampleRate * renderLengthSeconds, sampleRate);
>+
>+          // Create temp panner to get LINEAR_DISTANCE value for testing.
>+          var pannerModel = context.createPanner();
>+          createTestAndRun(context, pannerModel.LINEAR_DISTANCE, 0);
>+      }
>+
>+      runTest();
>+      successfullyParsed = true;
>+
>+    </script>
>+
>+<script src="../fast/js/resources/js-test-post.js"></script>
>+  </body>
>+</html>
>diff --git a/LayoutTests/webaudio/resources/distance-model-testing.js b/LayoutTests/webaudio/resources/distance-model-testing.js
>new file mode 100644
>index 0000000000000000000000000000000000000000..129eb55ebc7b82bad57c218e940c6f60b9f75ac8
>--- /dev/null
>+++ b/LayoutTests/webaudio/resources/distance-model-testing.js
>@@ -0,0 +1,212 @@
>+var sampleRate = 44100.0;
>+
>+// How many panner nodes to create for the test.
>+var nodesToCreate = 100;
>+
>+// Time step when each panner node starts.
>+var timeStep = 0.001;
>+
>+// Make sure we render long enough to get all of our nodes.
>+var renderLengthSeconds = timeStep * (nodesToCreate + 1);
>+
>+// Length of an impulse signal.
>+var pulseLengthFrames = Math.round(timeStep * sampleRate);
>+
>+// Globals to make debugging a little easier.
>+var context;
>+var impulse;
>+var bufferSource;
>+var panner;
>+var position;
>+var time;
>+      
>+// For the record, these distance formulas were taken from the OpenAL
>+// spec
>+// (http://connect.creativelabs.com/openal/Documentation/OpenAL%201.1%20Specification.pdf),
>+// not the code.  The Web Audio spec follows the OpenAL formulas.
>+
>+function linearDistance(panner, x, y, z) {
>+    var distance = Math.sqrt(x * x + y * y + z * z);
>+    distance = Math.min(distance, panner.maxDistance);
>+    var rolloff = panner.rolloffFactor;
>+    var gain = (1 - rolloff * (distance - panner.refDistance) / (panner.maxDistance - panner.refDistance));
>+
>+    return gain;
>+}
>+
>+function inverseDistance(panner, x, y, z) {
>+    var distance = Math.sqrt(x * x + y * y + z * z);
>+    distance = Math.min(distance, panner.maxDistance);
>+    var rolloff = panner.rolloffFactor;
>+    var gain = panner.refDistance / (panner.refDistance + rolloff * (distance - panner.refDistance));
>+
>+    return gain;
>+}
>+
>+function exponentialDistance(panner, x, y, z) {
>+    var distance = Math.sqrt(x * x + y * y + z * z);
>+    distance = Math.min(distance, panner.maxDistance);
>+    var rolloff = panner.rolloffFactor;
>+    var gain = Math.pow(distance / panner.refDistance, -rolloff);
>+
>+    return gain;
>+}
>+
>+// This array must be arranged in the numeric order of the distance
>+// model values.
>+var distanceModelFunction = [linearDistance, inverseDistance, exponentialDistance];
>+
>+function createGraph(context, distanceModel, nodeCount) {
>+    bufferSource = new Array(nodeCount);
>+    panner = new Array(nodeCount);
>+    position = new Array(nodeCount);
>+    time = new Array(nodesToCreate);
>+
>+    impulse = createImpulseBuffer(context, pulseLengthFrames);
>+
>+    // Create all the sources and panners.
>+    //
>+    // We MUST use the EQUALPOWER panning model so that we can easily
>+    // figure out the gain introduced by the panner.
>+    //
>+    // We want to stay in the middle of the panning range, which means
>+    // we want to stay on the z-axis.  If we don't, then the effect of
>+    // panning model will be much more complicated.  We're not testing
>+    // the panner, but the distance model, so we want the panner effect
>+    // to be simple.
>+    //
>+    // The panners are placed at a uniform intervals between the panner
>+    // reference distance and the panner max distance.  The source is
>+    // also started at regular intervals.
>+    for (var k = 0; k < nodeCount; ++k) {
>+        bufferSource[k] = context.createBufferSource();
>+        bufferSource[k].buffer = impulse;
>+
>+        panner[k] = context.createPanner();
>+        panner[k].panningModel = panner.EQUALPOWER;
>+        panner[k].distanceModel = distanceModel;
>+
>+        var distanceStep = (panner[k].maxDistance - panner[k].refDistance) / nodeCount;
>+        position[k] = distanceStep * k + panner[k].refDistance;
>+        panner[k].setPosition(0, 0, position[k]);
>+
>+        bufferSource[k].connect(panner[k]);
>+        panner[k].connect(context.destination);
>+
>+        time[k] = k * timeStep;
>+        bufferSource[k].noteOn(time[k]);
>+    }
>+}
>+
>+// distanceModel should be the distance model constant like
>+// LINEAR_DISTANCE, INVERSE_DISTANCE, and EXPONENTIAL_DISTANCE.  The
>+// expectedModel is the expected actual numeric value of the constant.
>+function createTestAndRun(context, distanceModel, expectedModel) {
>+    // To test the distance models, we create a number of panners at
>+    // uniformly spaced intervals on the z-axis.  Each of these are
>+    // started at equally spaced time intervals.  After rendering the
>+    // signals, we examine where each impulse is located and the
>+    // attenuation of the impulse.  The attenuation is compared
>+    // against our expected attenuation.
>+
>+    createGraph(context, distanceModel, nodesToCreate);
>+
>+    context.oncomplete = checkDistanceResult(distanceModel, expectedModel);
>+    context.startRendering();
>+}
>+
>+// The gain caused by the EQUALPOWER panning model, if we stay on the
>+// z axis, with the default orientations.
>+function equalPowerGain() {
>+    return Math.SQRT1_2;
>+}
>+
>+function checkDistanceResult(model, expectedModel) {
>+    return function(event) {
>+        renderedBuffer = event.renderedBuffer;
>+        renderedData = renderedBuffer.getChannelData(0);
>+
>+        // The max allowed error between the actual gain and the expected
>+        // value.  This is determined experimentally.  Set to 0 to see what
>+        // the actual errors are.
>+        var maxAllowedError = 2.3e-6;
>+   
>+        var success = true;
>+
>+        // Number of impulses we found in the rendered result.
>+        var impulseCount = 0;
>+
>+        // Maximum relative error in the gain of the impulses.
>+        var maxError = 0;
>+
>+        // Array of locations of the impulses that were not at the
>+        // expected location.  (Contains the actual and expected frame
>+        // of the impulse.)
>+        var impulsePositionErrors = new Array();
>+
>+        // Step through the rendered data to find all the non-zero points
>+        // so we can find where our distance-attenuated impulses are.
>+        // These are tested against the expected attenuations at that
>+        // distance.
>+        for (var k = 0; k < renderedData.length; ++k) {
>+            if (renderedData[k] != 0) {
>+                var distanceFunction = distanceModelFunction[panner[impulseCount].distanceModel];
>+                var expected = distanceFunction(panner[impulseCount], 0, 0, position[impulseCount]);
>+
>+                // Adjust for the center-panning of the EQUALPOWER panning
>+                // model that we're using.
>+                expected *= equalPowerGain();
>+
>+                var error = Math.abs(renderedData[k] - expected) / Math.abs(expected);
>+
>+                maxError = Math.max(maxError, Math.abs(error));
>+
>+                // Keep track of any impulses that aren't where we expect them
>+                // to be.
>+                var expectedOffset = timeToSampleFrame(time[impulseCount], sampleRate);
>+                if (k != expectedOffset) {
>+                    impulsePositionErrors.push({ actual : k, expected : expectedOffset});
>+                }
>+                ++impulseCount;
>+            }
>+        }
>+
>+        if (model == expectedModel) {
>+            testPassed("Distance model value matched expected value.");
>+        } else {
>+            testFailed("Distance model value does not match expected value.");
>+            success = false;
>+        }    
>+
>+        if (impulseCount == nodesToCreate) {
>+            testPassed("Number of impulses found matches number of panner nodes.");
>+        } else {
>+            testFailed("Number of impulses is incorrect.  Found " + impulseCount + " but expected " + nodesToCreate + ".");
>+            success = false;
>+        }
>+
>+        if (maxError <= maxAllowedError) {
>+            testPassed("Distance gains are correct.");
>+        } else {
>+            testFailed("Distance gains are incorrect.  Max rel error = " + maxError + " (maxAllowedError = " + maxAllowedError + ")");
>+            success = false;
>+        }
>+
>+        // Display any timing errors that we found.
>+        if (impulsePositionErrors.length > 0) {
>+            success = false;
>+            testFailed(impulsePositionErrors.length + " timing errors found");
>+            for (var k = 0; k < impulsePositionErrors.length; ++k) {
>+                testFailed("Sample at frame " + impulsePositionErrors[k].actual + " but expected " + impulsePositionErrors[k].expected);
>+            }
>+        }
>+
>+        if (success) {
>+            testPassed("Distance test passed for distance model " + model);
>+        } else {
>+            testFailed("Distance test failed for distance model " + model);
>+        }
>+
>+        finishJSTest();
>+    }
>+}

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Attachments on bug 74273: 118890 | 119037 | 121724 | 121867 | 122089 | 122818 | 124760 | 124763 | 124774 | 124778 | 125020 | 125038