| <!doctype html> |
| <html> |
| <head> |
| <title>Test AudioBufferSourceNode With Looping a Single-Sample Buffer</title> |
| <script src="../resources/js-test.js"></script> |
| <script src="resources/compatibility.js"></script> |
| <script src="resources/audio-testing.js"></script> |
| </head> |
| |
| <body> |
| <script> |
| description("Test AudioBufferSourceNode With Looping a Single-Sample Buffer"); |
| |
| var context; |
| var source; |
| var buffer; |
| var renderedData; |
| |
| var sampleRate = 44100; |
| var testDurationSamples = 1000; |
| |
| function checkResult (event) { |
| var success = true; |
| |
| renderedData = event.renderedBuffer.getChannelData(0); |
| // Check that the rendered data is all ones, like the buffer source. |
| for (k = 0; k < renderedData.length; ++k) { |
| if (renderedData[k] != 1) { |
| success = false; |
| testFailed("Expected all ones, but sample " + k + " is " + renderedData[k]); |
| break; |
| } |
| } |
| if (success) |
| testPassed("All samples equal to 1"); |
| finishJSTest(); |
| } |
| |
| function runTest() { |
| window.jsTestIsAsync = true; |
| |
| // Create the offline context for the test. |
| context = new OfflineAudioContext(1, testDurationSamples, sampleRate); |
| context.oncomplete = checkResult; |
| |
| // Create the single sample buffer |
| buffer = createConstantBuffer(context, 1, 1); |
| |
| // Create the source and connect it to the destination |
| source = context.createBufferSource(); |
| source.buffer = buffer; |
| source.loop = true; |
| source.connect(context.destination); |
| source.start(); |
| |
| // Render it! |
| context.startRendering(); |
| } |
| |
| runTest(); |
| succesfullyParsed = true; |
| </script> |
| </body> |
| </html> |
