summaryrefslogtreecommitdiffstats
path: root/testing/web-platform/tests/mediacapture-streams/MediaStreamTrack-MediaElement-disabled-audio-is-silence.https.html
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/mediacapture-streams/MediaStreamTrack-MediaElement-disabled-audio-is-silence.https.html
parentInitial commit. (diff)
downloadfirefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz
firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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.html59
1 files changed, 59 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 0000000000..4ad2340ed5
--- /dev/null
+++ b/testing/web-platform/tests/mediacapture-streams/MediaStreamTrack-MediaElement-disabled-audio-is-silence.https.html
@@ -0,0 +1,59 @@
+<!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=/resources/testdriver.js></script>
+<script src=/resources/testdriver-vendor.js></script>
+<script src=permission-helper.js></script>
+<script>
+const aud = document.getElementById("aud");
+promise_test(async t => {
+ await setMediaPermission("granted", ["microphone"]);
+ const stream = await navigator.mediaDevices.getUserMedia({audio: true});
+ var ctx = new AudioContext();
+ var streamSource = ctx.createMediaStreamSource(stream);
+ var silenceDetector = ctx.createScriptProcessor(1024);
+ var count = 10;
+ let resolveAudioProcessPromise;
+ const audioProcessed = new Promise(res => resolveAudioProcessPromise = res)
+
+ silenceDetector.onaudioprocess = 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;
+ resolveAudioProcessPromise();
+ }
+ };
+ stream.getAudioTracks()[0].enabled = false;
+
+ streamSource.connect(silenceDetector);
+ silenceDetector.connect(ctx.destination);
+}, "Tests that a disabled audio track in a MediaStream is rendered as silence");
+</script>
+</body>
+</html>