| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../../resources/js-test-pre.js"></script> |
| <script src="../../media-resources/media-file.js"></script> |
| </head> |
| <body> |
| <pre id="console"></pre> |
| <script> |
| description("Ensure that audio is rendered when tainted by a remote audio resource when CORS is enabled."); |
| window.jsTestIsAsync = true; |
| |
| function go() { |
| let audio = new Audio(); |
| audio.crossOrigin = "anonymous"; |
| let mediaFile = findMediaFile("audio", "../../media/resources/1000Hz-sin"); |
| let type = mimeTypeForExtension(mediaFile.split('.').pop()); |
| audio.src = "http://localhost:8080/security/resources/video-cross-origin-allow.py?name=" + mediaFile + "&type=" + type; |
| |
| context = new AudioContext(); |
| let mediaSource = context.createMediaElementSource(audio); |
| let analyser = context.createAnalyser(); |
| analyser.fftSize = 32; |
| |
| mediaSource.connect(analyser); |
| |
| context.resume().then(() => { |
| audio.play(); |
| }); |
| |
| window.outputArray = new Float32Array(analyser.frequencyBinCount); |
| window.silentArray = new Float32Array(analyser.frequencyBinCount); |
| silentArray.fill(-Infinity); |
| |
| var intervalToken = setInterval(() => { |
| analyser.getFloatFrequencyData(outputArray); |
| }, 30); |
| |
| audio.addEventListener("ended", event => { |
| clearInterval(intervalToken); |
| context.suspend().then(() => { |
| shouldNotBe("outputArray", "silentArray"); |
| finishJSTest(); |
| }); |
| }); |
| } |
| window.addEventListener('load', go); |
| </script> |
| <script src="../../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
