| <!doctype html> |
| <html> |
| <head> |
| <title>Validate Reduction Value of DynamicsComporessor after Disabling</title> |
| <script src="resources/compatibility.js"></script> |
| <script src="resources/audio-testing.js"></script> |
| <script src="../resources/js-test.js"></script> |
| </head> |
| |
| <body> |
| <script> |
| description("Validate Reduction Value of DynamicsComporessor after Disabling"); |
| |
| var context; |
| var buffer; |
| var source; |
| var compressor; |
| var renderedData; |
| |
| var sampleRate = 44100; |
| var testDurationSamples = 44100; |
| |
| function checkResult (event) { |
| |
| renderedData = event.renderedBuffer.getChannelData(0); |
| |
| // Check that the reduction value is 0.0. |
| if (compressor.reduction.value !== 0.0) { |
| testFailed("Expected reduction of 0.0, but the value is " + compressor.reduction.value); |
| } |
| else { |
| testPassed("Reduction is 0.0"); |
| } |
| |
| finishJSTest(); |
| } |
| |
| function runTest() { |
| window.jsTestIsAsync = true; |
| |
| // Create the offline context for the test. |
| context = new OfflineAudioContext(1, testDurationSamples, sampleRate); |
| context.oncomplete = checkResult; |
| |
| // Create the constant sample buffer of 0.5 sec. |
| buffer = createConstantBuffer(context, testDurationSamples / 2, 1); |
| |
| // Create compressor and use default parameters for the compression. |
| compressor = context.createDynamicsCompressor(); |
| |
| // Create the source and connect it to the destination |
| source = context.createBufferSource(); |
| source.buffer = buffer; |
| source.connect(compressor); |
| compressor.connect(context.destination); |
| source.start(0.0); |
| |
| // Render it! |
| context.startRendering(); |
| } |
| |
| runTest(); |
| succesfullyParsed = true; |
| </script> |
| </body> |
| </html> |
