| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../resources/js-test-pre.js"></script> |
| </head> |
| |
| <body> |
| <div id="description"></div> |
| <div id="console"></div> |
| |
| <script> |
| description("Basic tests for MediaStreamAudioSourceNode API."); |
| |
| let context; |
| let stream; |
| let finished = false; |
| const numberOfOutputChannels = 2; |
| const numberOfInputChannels = 2; |
| const bufferSize = 512; |
| |
| function processAudioData(event) |
| { |
| if (finished) |
| return; |
| |
| if (event.inputBuffer.numberOfChannels != numberOfInputChannels) |
| testFailed(`numberOfInputChannels doesn't match: have ${event.inputBuffer.numberOfChannels}, expect ${numberOfInputChannels}!`); |
| |
| if (event.outputBuffer.numberOfChannels != numberOfOutputChannels) |
| testFailed(`numberOfOutputChannels doesn't match: have ${event.outputBuffer.numberOfChannels}, expect ${numberOfOutputChannels}!`); |
| |
| stream.getAudioTracks()[0].stop(); |
| testPassed("onaudioprocess was called"); |
| finishJSTest(); |
| finished = true; |
| } |
| |
| function gotStream(s) |
| { |
| stream = s; |
| testPassed('{audio:true} generated stream'); |
| shouldBe('stream.getAudioTracks().length', '1'); |
| shouldBe('stream.getVideoTracks().length', '0'); |
| |
| context = new webkitAudioContext(); |
| |
| // Create an AudioNode from the stream. |
| let mediaStreamSource = context.createMediaStreamSource(stream); |
| |
| // Check number of inputs and outputs. |
| if (mediaStreamSource.numberOfInputs == 0) |
| testPassed("Source AudioNode has no inputs."); |
| else |
| testFailed("Source AudioNode should not have inputs."); |
| |
| if (mediaStreamSource.numberOfOutputs == 1) |
| testPassed("Source AudioNode has one output."); |
| else |
| testFailed("Source AudioNode should have one output."); |
| |
| // Try calling connect() method with illegal values. |
| try { |
| mediaStreamSource.connect(0, 0, 0); |
| testFailed("connect() exception should be thrown for illegal destination AudioNode."); |
| } catch(err) { |
| testPassed(`connect() exception {"${err.name}", "${err.message}"} thrown for illegal destination AudioNode`); |
| } |
| |
| try { |
| mediaStreamSource.connect(context.destination, 5, 0); |
| testFailed("connect() exception should be thrown for illegal output index."); |
| } catch(err) { |
| testPassed(`connect() exception {"${err.name}", "${err.message}"} thrown for illegal output index`); |
| } |
| |
| try { |
| mediaStreamSource.connect(context.destination, 0, 5); |
| testFailed("connect() exception should be thrown for illegal input index."); |
| } catch(err) { |
| testPassed(`connect() exception {"${err.name}", "${err.message}"} thrown for illegal input index`); |
| } |
| |
| // Try calling connect() with legal values. |
| try { |
| mediaStreamSource.connect(context.destination, 0, 0); |
| testPassed("mediaStreamSource.connect(context.destination) succeeded."); |
| } catch(err) { |
| testFailed(`mediaStreamSource.connect(context.destination) failed with "${err.name}": "${err.message}"`); |
| } |
| |
| let scriptProcessorNode = context.createScriptProcessor(bufferSize, numberOfInputChannels, numberOfOutputChannels); |
| scriptProcessorNode.onaudioprocess = processAudioData; |
| |
| mediaStreamSource.connect(scriptProcessorNode); |
| scriptProcessorNode.connect(context.destination); |
| } |
| |
| if (window.testRunner) |
| testRunner.setUserMediaPermission(true); |
| |
| navigator.mediaDevices.getUserMedia({audio:true}) |
| .then(stream => gotStream(stream)) |
| .catch(function(err) { |
| testFailed(`mediaDevices.getUserMedia() failed with "${err.name}": "${err.message}"`); |
| finishJSTest(); |
| }); |
| |
| window.jsTestIsAsync = true; |
| window.successfullyParsed = true; |
| </script> |
| <script src="../resources/js-test-post.js"></script> |
| |
| </body> |
| </html> |
