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| 1 <!doctype html> | 1 <!DOCTYPE html> |
| 2 <html> | 2 <html> |
| 3 <head> | 3 <head> |
| 4 <title> |
| 5 offlineaudiocontext-suspend-resume-basic.html |
| 6 </title> |
| 4 <script src="../../resources/testharness.js"></script> | 7 <script src="../../resources/testharness.js"></script> |
| 5 <script src="../../resources/testharnessreport.js"></script> | 8 <script src="../../resources/testharnessreport.js"></script> |
| 6 <script src="../resources/audit-util.js"></script> | 9 <script src="../resources/audit-util.js"></script> |
| 7 <script src="../resources/audit.js"></script> | 10 <script src="../resources/audit.js"></script> |
| 8 </head> | 11 </head> |
| 12 <body> |
| 13 <script id="layout-test-code"> |
| 14 let sampleRate = 44100; |
| 15 let renderDuration = 1; |
| 16 let renderQuantum = 128; |
| 9 | 17 |
| 10 <body> | 18 let audit = Audit.createTaskRunner(); |
| 11 <script> | |
| 12 var sampleRate = 44100; | |
| 13 var renderDuration = 1; | |
| 14 var renderQuantum = 128; | |
| 15 | |
| 16 var audit = Audit.createTaskRunner(); | |
| 17 | 19 |
| 18 // Task: Calling suspend with no argument, negative time or the time | 20 // Task: Calling suspend with no argument, negative time or the time |
| 19 // beyond the maximum render duration reject the promise. | 21 // beyond the maximum render duration reject the promise. |
| 20 audit.define('suspend-invalid-argument', (task, should) => { | 22 audit.define('suspend-invalid-argument', (task, should) => { |
| 21 var context = | 23 let context = |
| 22 new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate); | 24 new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate); |
| 23 | 25 |
| 24 should(context.suspend(), 'context.suspend()').beRejected(); | 26 should(context.suspend(), 'context.suspend()').beRejected(); |
| 25 should(context.suspend(-1.0), 'context.suspend(-1.0)').beRejected(); | 27 should(context.suspend(-1.0), 'context.suspend(-1.0)').beRejected(); |
| 26 should(context.suspend(2.0), 'context.suspend(2.0)').beRejected(); | 28 should(context.suspend(2.0), 'context.suspend(2.0)').beRejected(); |
| 27 | 29 |
| 28 context.startRendering().then(() => task.done()); | 30 context.startRendering().then(() => task.done()); |
| 29 }); | 31 }); |
| 30 | 32 |
| 31 // Task: Scheduling a suspend in the past should be rejected. | 33 // Task: Scheduling a suspend in the past should be rejected. |
| 32 audit.define('suspend-in-the-past', (task, should) => { | 34 audit.define('suspend-in-the-past', (task, should) => { |
| 33 var context = | 35 let context = |
| 34 new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate); | 36 new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate); |
| 35 | 37 |
| 36 context.suspend(0.5).then(function() { | 38 context.suspend(0.5).then(function() { |
| 37 should( | 39 should( |
| 38 context.suspend(context.currentTime - 0.1), | 40 context.suspend(context.currentTime - 0.1), |
| 39 'Scheduling a suspend in the past') | 41 'Scheduling a suspend in the past') |
| 40 .beRejected(); | 42 .beRejected(); |
| 41 | 43 |
| 42 should(context | 44 should(context |
| 43 .suspend( | 45 .suspend( |
| 44 context.currentTime + 0.1, | 46 context.currentTime + 0.1, |
| 45 'Scheduling a suspend in the future') | 47 'Scheduling a suspend in the future') |
| 46 .then(function() { | 48 .then(function() { |
| 47 context.resume(); | 49 context.resume(); |
| 48 })) | 50 })) |
| 49 .beResolved(); | 51 .beResolved(); |
| 50 | 52 |
| 51 context.resume(); | 53 context.resume(); |
| 52 }); | 54 }); |
| 53 | 55 |
| 54 context.startRendering().then(() => task.done()); | 56 context.startRendering().then(() => task.done()); |
| 55 }); | 57 }); |
| 56 | 58 |
| 57 // Task: suspending after rendering is finished must be rejected with the | 59 // Task: suspending after rendering is finished must be rejected with the |
| 58 // properly clamped frame/time information. | 60 // properly clamped frame/time information. |
| 59 audit.define('suspend-after-render-completion', (task, should) => { | 61 audit.define('suspend-after-render-completion', (task, should) => { |
| 60 var context = | 62 let context = |
| 61 new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate); | 63 new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate); |
| 62 context.startRendering() | 64 context.startRendering() |
| 63 .then(function() { | 65 .then(function() { |
| 64 should( | 66 should( |
| 65 context.suspend(renderDuration), | 67 context.suspend(renderDuration), |
| 66 'Scheduling a suspend after the render completion') | 68 'Scheduling a suspend after the render completion') |
| 67 .beRejected(); | 69 .beRejected(); |
| 68 }) | 70 }) |
| 69 .then(() => task.done()); | 71 .then(() => task.done()); |
| 70 }); | 72 }); |
| 71 | 73 |
| 72 // Task: Calling multiple suspends at the same rendering quantum should | 74 // Task: Calling multiple suspends at the same rendering quantum should |
| 73 // reject the promise. | 75 // reject the promise. |
| 74 audit.define('identical-suspend-time', (task, should) => { | 76 audit.define('identical-suspend-time', (task, should) => { |
| 75 var context = | 77 let context = |
| 76 new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate); | 78 new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate); |
| 77 | 79 |
| 78 // |suspendTime1| and |suspendTime2| are identical when quantized to | 80 // |suspendTime1| and |suspendTime2| are identical when quantized to |
| 79 // the render quantum size. | 81 // the render quantum size. |
| 80 var suspendTime1 = renderQuantum / sampleRate; | 82 let suspendTime1 = renderQuantum / sampleRate; |
| 81 var suspendTime2 = 1.5 * renderQuantum / sampleRate; | 83 let suspendTime2 = 1.5 * renderQuantum / sampleRate; |
| 82 | 84 |
| 83 should( | 85 should( |
| 84 () => context.suspend(suspendTime1).then(() => context.resume()), | 86 () => context.suspend(suspendTime1).then(() => context.resume()), |
| 85 'Scheduling a suspend at frame ' + suspendTime1 * sampleRate) | 87 'Scheduling a suspend at frame ' + suspendTime1 * sampleRate) |
| 86 .notThrow(); | 88 .notThrow(); |
| 87 | 89 |
| 88 should( | 90 should( |
| 89 context.suspend(suspendTime2), | 91 context.suspend(suspendTime2), |
| 90 'Scheduling another suspend at the same rendering quantum') | 92 'Scheduling another suspend at the same rendering quantum') |
| 91 .beRejected(); | 93 .beRejected(); |
| 92 | 94 |
| 93 context.startRendering().then(() => task.done()); | 95 context.startRendering().then(() => task.done()); |
| 94 }); | 96 }); |
| 95 | 97 |
| 96 // Task: Resuming a running context should be resolved. | 98 // Task: Resuming a running context should be resolved. |
| 97 audit.define('resume-before-suspend', (task, should) => { | 99 audit.define('resume-before-suspend', (task, should) => { |
| 98 | 100 |
| 99 // Make the render length 5 times longer to minimize the flakiness. | 101 // Make the render length 5 times longer to minimize the flakiness. |
| 100 var longRenderDuration = renderDuration * 5; | 102 let longRenderDuration = renderDuration * 5; |
| 101 var context = new OfflineAudioContext( | 103 let context = new OfflineAudioContext( |
| 102 1, sampleRate * longRenderDuration, sampleRate); | 104 1, sampleRate * longRenderDuration, sampleRate); |
| 103 | 105 |
| 104 // Create dummy audio graph to slow the rendering. | 106 // Create dummy audio graph to slow the rendering. |
| 105 var osc = context.createOscillator(); | 107 let osc = context.createOscillator(); |
| 106 var lpf = context.createBiquadFilter(); | 108 let lpf = context.createBiquadFilter(); |
| 107 osc.type = 'sawtooth'; | 109 osc.type = 'sawtooth'; |
| 108 osc.frequency.setValueAtTime(0.1, 0.0); | 110 osc.frequency.setValueAtTime(0.1, 0.0); |
| 109 osc.frequency.linearRampToValueAtTime(1000, longRenderDuration * 0.5); | 111 osc.frequency.linearRampToValueAtTime(1000, longRenderDuration * 0.5); |
| 110 osc.frequency.linearRampToValueAtTime(0.1, longRenderDuration); | 112 osc.frequency.linearRampToValueAtTime(0.1, longRenderDuration); |
| 111 lpf.frequency.setValueAtTime(0.1, 0.0); | 113 lpf.frequency.setValueAtTime(0.1, 0.0); |
| 112 lpf.frequency.linearRampToValueAtTime(1000, longRenderDuration * 0.5); | 114 lpf.frequency.linearRampToValueAtTime(1000, longRenderDuration * 0.5); |
| 113 lpf.frequency.linearRampToValueAtTime(0.1, longRenderDuration); | 115 lpf.frequency.linearRampToValueAtTime(0.1, longRenderDuration); |
| 114 osc.connect(lpf); | 116 osc.connect(lpf); |
| 115 lpf.connect(context.destination); | 117 lpf.connect(context.destination); |
| 116 osc.start(); | 118 osc.start(); |
| (...skipping 11 matching lines...) Expand all Loading... |
| 128 context.startRendering(); | 130 context.startRendering(); |
| 129 | 131 |
| 130 // Then call resume() immediately after the rendering starts. Resuming | 132 // Then call resume() immediately after the rendering starts. Resuming |
| 131 // a context that is already running should be resolved. | 133 // a context that is already running should be resolved. |
| 132 should(context.resume(), 'Resuming a running context').beResolved(); | 134 should(context.resume(), 'Resuming a running context').beResolved(); |
| 133 }); | 135 }); |
| 134 | 136 |
| 135 // Task: Calling resume on a context that is not started should reject the | 137 // Task: Calling resume on a context that is not started should reject the |
| 136 // promise. | 138 // promise. |
| 137 audit.define('resume-without-suspend', (task, should) => { | 139 audit.define('resume-without-suspend', (task, should) => { |
| 138 var context = | 140 let context = |
| 139 new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate); | 141 new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate); |
| 140 | 142 |
| 141 should(context.resume(), 'Resuming a context without starting it') | 143 should(context.resume(), 'Resuming a context without starting it') |
| 142 .beRejected() | 144 .beRejected() |
| 143 .then(() => task.done()); | 145 .then(() => task.done()); |
| 144 }); | 146 }); |
| 145 | 147 |
| 146 audit.run(); | 148 audit.run(); |
| 147 </script> | 149 </script> |
| 148 | |
| 149 </body> | 150 </body> |
| 150 </html> | 151 </html> |
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