| <!DOCTYPE HTML> |
| <html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| <script src="./resources/getUserMedia-helper.js"></script> |
| <script> |
| let track; |
| |
| function limitPrecision(value, precision) |
| { |
| if (typeof value === "number" && value % 1 != 0) |
| return value.toFixed(precision); |
| return value; |
| } |
| |
| function forEachNativeProperty(list, func) |
| { |
| for (let property in list) { |
| if (list.hasOwnProperty(property, list[property]) || list.__proto__.hasOwnProperty(property)) |
| func(property, list[property]); |
| } |
| } |
| |
| function listTrackSettings(track) |
| { |
| debug(`${track.kind} track settings:`); |
| forEachNativeProperty(track.getSettings(), (property, value) => { |
| if (property == "deviceId") |
| value = "<UUID>"; |
| else |
| value = limitPrecision(value, 3); |
| debug(` settings.${property} = ${value}`); |
| }); |
| |
| debug(""); |
| } |
| |
| function checkTrackSettings(t) |
| { |
| track = t; |
| forEachNativeProperty(track.getSettings(), (property, value) => { |
| shouldBeTrue(`"${property}" in track.getCapabilities()`); |
| }); |
| } |
| |
| async function start() |
| { |
| description("Tests MediaStreamTrack.getSettings."); |
| let stream = await navigator.mediaDevices.getUserMedia({audio:true, video:true}); |
| |
| listTrackSettings(stream.getVideoTracks()[0]); |
| listTrackSettings(stream.getAudioTracks()[0]); |
| |
| debug('According to the spec: "[every setting] MUST be a member of the set defined for that property by getCapabilities()"<br>'); |
| checkTrackSettings(stream.getVideoTracks()[0]); |
| checkTrackSettings(stream.getAudioTracks()[0]); |
| |
| debug('Validate sampleRate constraints appears correctly in track settings'); |
| stream = await navigator.mediaDevices.getUserMedia({audio: { sampleRate : 48000 } }); |
| listTrackSettings(stream.getAudioTracks()[0]); |
| |
| finishJSTest(); |
| } |
| |
| window.jsTestIsAsync = true; |
| window.successfullyParsed = true; |
| </script> |
| |
| </head> |
| <body onload="start()"> |
| <p id="description"></p> |
| <div id="console"></div> |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
