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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /testing/web-platform/tests/mediacapture-streams/MediaStreamTrack-MediaElement-disabled-audio-is-silence.https.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'testing/web-platform/tests/mediacapture-streams/MediaStreamTrack-MediaElement-disabled-audio-is-silence.https.html')
| -rw-r--r-- | testing/web-platform/tests/mediacapture-streams/MediaStreamTrack-MediaElement-disabled-audio-is-silence.https.html | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/testing/web-platform/tests/mediacapture-streams/MediaStreamTrack-MediaElement-disabled-audio-is-silence.https.html b/testing/web-platform/tests/mediacapture-streams/MediaStreamTrack-MediaElement-disabled-audio-is-silence.https.html new file mode 100644 index 000000000..189bb849e --- /dev/null +++ b/testing/web-platform/tests/mediacapture-streams/MediaStreamTrack-MediaElement-disabled-audio-is-silence.https.html @@ -0,0 +1,55 @@ +<!doctype html> +<html> +<head> +<title>A disabled audio track is rendered as silence</title> +<link rel="author" title="Dominique Hazael-Massieux" href="mailto:dom@w3.org"/> +<link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#introduction"> +<link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#mediastreams-as-media-elements"> +</head> +<body> +<p class="instructions">When prompted, accept to share your audio stream.</p> +<h1 class="instructions">Description</h1> +<p class="instructions">This test checks that a disabled audio track in a +MediaStream is rendered as silence. It relies on the +<a href="https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html"> +Web Audio API</a>.</p> + +<div id='log'></div> +<script src=/resources/testharness.js></script> +<script src=/resources/testharnessreport.js></script> +<script src="/common/vendor-prefix.js" data-prefixed-objects='[{"ancestors":["navigator"], "name":"getUserMedia"}, {"ancestors":["window"], "name":"AudioContext"}]'></script> +<script> +var t = async_test("Tests that a disabled audio track in a MediaStream is rendered as silence", {timeout: 200000}); +var aud = document.getElementById("aud"); +t.step(function() { + navigator.getUserMedia({audio: true}, t.step_func(function (stream) { + var ctx = new AudioContext(); + var streamSource = ctx.createMediaStreamSource(stream); + var silenceDetector = ctx.createScriptProcessor(1024); + var count = 10; + silenceDetector.onaudioprocess = t.step_func(function (e) { + var buffer1 = e.inputBuffer.getChannelData(0); + var buffer2 = e.inputBuffer.getChannelData(1); + var out = e.outputBuffer.getChannelData(0); + out = new Float32Array(buffer1); + for (var i = 0; i < buffer1.length; i++) { + assert_equals(buffer1[i], 0, "Audio buffer entry #" + i + " in channel 0 is silent"); + } + for (var i = 0; i < buffer2.length; i++) { + assert_equals(buffer2[i], 0, "Audio buffer entry #" + i + " in channel 1 is silent"); + } + count--; + if (count === 0) { + silenceDetector.onaudioprocess = null; + t.done(); + } + }); + stream.getAudioTracks()[0].enabled = false; + + streamSource.connect(silenceDetector); + silenceDetector.connect(ctx.destination); + }), function(error) {}); +}); +</script> +</body> +</html> |