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1 <!doctype html> | 1 <!doctype html> |
2 <html> | 2 <html> |
3 <head> | 3 <head> |
4 <title>Test Clamping of PannerNode rolloffFactor</title> | 4 <title>Test Clamping of PannerNode rolloffFactor</title> |
5 <script src="../../resources/testharness.js"></script> | 5 <script src="../../resources/testharness.js"></script> |
6 <script src="../../resources/testharnessreport.js"></script> | 6 <script src="../../resources/testharnessreport.js"></script> |
7 <script src="../resources/audit-util.js"></script> | 7 <script src="../resources/audit-util.js"></script> |
8 <script src="../resources/audio-testing.js"></script> | 8 <script src="../resources/audit.js"></script> |
9 </head> | 9 </head> |
10 | 10 |
11 <body> | 11 <body> |
12 <script> | 12 <script> |
13 // Fairly arbitrary sample rate and render frames. | 13 // Fairly arbitrary sample rate and render frames. |
14 var sampleRate = 16000; | 14 var sampleRate = 16000; |
15 var renderFrames = 2048; | 15 var renderFrames = 2048; |
16 | 16 |
17 var audit = Audit.createTaskRunner(); | 17 var audit = Audit.createTaskRunner(); |
18 | 18 |
19 audit.defineTask("linear-clamp-low", function (taskDone) { | 19 audit.define("linear-clamp-low", (task, should) => { |
20 runTest({ | 20 runTest(should, { |
21 distanceModel: "linear", | 21 distanceModel: "linear", |
22 // Fairly arbitrary value outside the nominal range | 22 // Fairly arbitrary value outside the nominal range |
23 rolloffFactor: -1, | 23 rolloffFactor: -1, |
24 clampedRolloff: 0 | 24 clampedRolloff: 0 |
25 }).then(taskDone); | 25 }).then(() => task.done()); |
26 }); | 26 }); |
27 | 27 |
28 audit.defineTask("linear-clamp-high", function (taskDone) { | 28 audit.define("linear-clamp-high", (task, should) => { |
29 runTest({ | 29 runTest(should, { |
30 distanceModel: "linear", | 30 distanceModel: "linear", |
31 // Fairly arbitrary value outside the nominal range | 31 // Fairly arbitrary value outside the nominal range |
32 rolloffFactor: 2, | 32 rolloffFactor: 2, |
33 clampedRolloff: 1 | 33 clampedRolloff: 1 |
34 }).then(taskDone); | 34 }).then(() => task.done()); |
35 }); | 35 }); |
36 | 36 |
37 audit.defineTask("inverse-clamp", function (taskDone) { | 37 audit.define("inverse-clamp", (task, should) => { |
38 runTest({ | 38 runTest(should, { |
39 distanceModel: "inverse", | 39 distanceModel: "inverse", |
40 // Fairly arbitrary value outside the nominal range | 40 // Fairly arbitrary value outside the nominal range |
41 rolloffFactor: -1, | 41 rolloffFactor: -1, |
42 clampedRolloff: 0 | 42 clampedRolloff: 0 |
43 }).then(taskDone); | 43 }).then(() => task.done()); |
44 }); | 44 }); |
45 | 45 |
46 audit.defineTask("exponential-clamp", function (taskDone) { | 46 audit.define("exponential-clamp", (task, should) => { |
47 runTest({ | 47 runTest(should, { |
48 distanceModel: "exponential", | 48 distanceModel: "exponential", |
49 // Fairly arbitrary value outside the nominal range | 49 // Fairly arbitrary value outside the nominal range |
50 rolloffFactor: -2, | 50 rolloffFactor: -2, |
51 clampedRolloff: 0 | 51 clampedRolloff: 0 |
52 }).then(taskDone); | 52 }).then(() => task.done()); |
53 }); | 53 }); |
54 | 54 |
55 // Test clamping of the rolloffFactor. The test is done by comparing the | 55 // Test clamping of the rolloffFactor. The test is done by comparing the |
56 // output of a panner with the rolloffFactor set outside the nominal range | 56 // output of a panner with the rolloffFactor set outside the nominal range |
57 // against the output of a panner with the rolloffFactor clamped to the | 57 // against the output of a panner with the rolloffFactor clamped to the |
58 // nominal range. The outputs should be the same. | 58 // nominal range. The outputs should be the same. |
59 // | 59 // |
60 // The |options| dictionary should contain the members | 60 // The |options| dictionary should contain the members |
61 // distanceModel - The distance model to use for the panners | 61 // distanceModel - The distance model to use for the panners |
62 // rolloffFactor - The desired rolloffFactor. Should be outside the | 62 // rolloffFactor - The desired rolloffFactor. Should be outside the |
63 // nominal range of the distance model. | 63 // nominal range of the distance model. |
64 // clampedRolloff - The rolloffFactor (above) clamped to the nominal | 64 // clampedRolloff - The rolloffFactor (above) clamped to the nominal |
65 // range for the given distance model. | 65 // range for the given distance model. |
66 function runTest(options) { | 66 function runTest(should, options) { |
67 // Offline context with two channels. The first channel is the panner | 67 // Offline context with two channels. The first channel is the panner |
68 // node under test. The second channel is the reference panner node. | 68 // node under test. The second channel is the reference panner node. |
69 var context = new OfflineAudioContext(2, renderFrames, sampleRate); | 69 var context = new OfflineAudioContext(2, renderFrames, sampleRate); |
70 | 70 |
71 // The source for the panner nodes. This is fairly arbitrary. | 71 // The source for the panner nodes. This is fairly arbitrary. |
72 var src = new OscillatorNode(context, { | 72 var src = new OscillatorNode(context, { |
73 type: "sawtooth" | 73 type: "sawtooth" |
74 }); | 74 }); |
75 | 75 |
76 // Create the test panner with the specified rolloff factor. The | 76 // Create the test panner with the specified rolloff factor. The |
(...skipping 30 matching lines...) Expand all Loading... |
107 return context.startRendering() | 107 return context.startRendering() |
108 .then(function (resultBuffer) { | 108 .then(function (resultBuffer) { |
109 // The two channels should be the same due to the clamping. Verify | 109 // The two channels should be the same due to the clamping. Verify |
110 // that they are the same. | 110 // that they are the same. |
111 var actual = resultBuffer.getChannelData(0); | 111 var actual = resultBuffer.getChannelData(0); |
112 var expected = resultBuffer.getChannelData(1); | 112 var expected = resultBuffer.getChannelData(1); |
113 | 113 |
114 var message = 'Panner distanceModel: "' + options.distanceModel + | 114 var message = 'Panner distanceModel: "' + options.distanceModel + |
115 '", rolloffFactor: ' + options.rolloffFactor; | 115 '", rolloffFactor: ' + options.rolloffFactor; |
116 | 116 |
117 var success = Should(message, actual) | 117 should(actual, message) |
118 .beEqualToArray(expected); | 118 .beEqualToArray(expected); |
119 | |
120 Should(message, success) | |
121 .summarize( | |
122 "correctly clamped rolloffFactor to " + options.clampedRolloff, | |
123 "did not correctly clamp rolloffFactor to " + options.clampedRol
loff); | |
124 }); | 119 }); |
125 } | 120 } |
126 | 121 |
127 audit.runTasks(); | 122 audit.run(); |
128 </script> | 123 </script> |
129 </body> | 124 </body> |
130 </html> | 125 </html> |
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