| <!DOCTYPE HTML> |
| <html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| <script> |
| var mediaStream; |
| var devices; |
| |
| if (window.testRunner) |
| testRunner.setUserMediaPermission(true); |
| |
| function limitPrecision(value, precision) |
| { |
| if (typeof value === "string") |
| return `"${value}`; |
| |
| if (typeof value === "number" && value % 1 != 0) |
| return value.toFixed(precision); |
| return value; |
| } |
| |
| function capabilityRange(name, object) |
| { |
| if (Array.isArray(object)) { |
| if (!object.length) |
| return "[ ]"; |
| |
| var value = "["; |
| for (i = 0; i < object.length; i++) |
| value += ` ${object[i]},`; |
| |
| return value.slice(0, -1) + " ]"; |
| } |
| |
| var value = "{"; |
| for (var property in object) { |
| value += ` ${property}: ${limitPrecision(object[property], 3)},`; |
| } |
| |
| if (value.length) |
| value = value.slice(0, -1); |
| |
| |
| return value + " }"; |
| } |
| |
| function validateDeviceId(deviceId, trackKind) |
| { |
| if (trackKind !== 'audio' && trackKind !== 'video') |
| return false; |
| var deviceKind = (trackKind === 'audio') ? 'audioinput' : 'videoinput'; |
| for (var deviceInfo of devices) { |
| if (deviceInfo.deviceId === deviceId && deviceInfo.kind === deviceKind) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| function listTrackProperties(track) |
| { |
| debug(`${track.kind} track capabilities:`); |
| capabilities = track.getCapabilities(); |
| for (var property in capabilities) { |
| if (capabilities.hasOwnProperty(property) || capabilities.__proto__.hasOwnProperty(property)) |
| if (property === "deviceId" && validateDeviceId(capabilities[property], track.kind)) |
| value = "<UUID>"; |
| else if (typeof capabilities[property] === "object") |
| value = capabilityRange(property, capabilities[property]); |
| else |
| value = limitPrecision(capabilities[property], 2); |
| debug(` capabilities.${property} = ${value}`); |
| } |
| debug(""); |
| } |
| |
| function gotStream(stream) |
| { |
| mediaStream = stream; |
| listTrackProperties(mediaStream.getVideoTracks()[0]); |
| listTrackProperties(mediaStream.getAudioTracks()[0]); |
| finishJSTest(); |
| } |
| |
| async function start() |
| { |
| description("Tests MediaStreamTrack.getCapabilities."); |
| |
| mediaStream = await navigator.mediaDevices.getUserMedia({ audio:true, video:true }); |
| devices = await navigator.mediaDevices.enumerateDevices(); |
| |
| listTrackProperties(mediaStream.getVideoTracks()[0]); |
| listTrackProperties(mediaStream.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> |
