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WebRTC mediasource select
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> | |
| <title>Capture Crop</title> | |
| </head> | |
| <body> | |
| Media Source list<br /> | |
| <select id="mic_list" size="5" onchange="micSelected();"> | |
| </select> | |
| <select id="camera_list" size="5" onchange="cameraSelected();"> | |
| </select> | |
| <br /> | |
| <button id="start" type="button" onclick="startMedia1();">Start1</button> | |
| <button id="start" type="button" onclick="startMedia2();">Start2</button> | |
| <br /> | |
| <video id="local-video-1" autoplay="1" style="width:320px; height:240px; border: solid 1px;"></video> | |
| <video id="local-video-2" autoplay="1" style="width:320px; height:240px; border: solid 1px;"></video> | |
| <script> | |
| var micList = document.getElementById("mic_list"); | |
| var cameraList = document.getElementById("camera_list"); | |
| var audioSource = null; | |
| var videoSource = null; | |
| MediaStreamTrack.getSources(function(sourceInfos) { | |
| for (var i = 0; i != sourceInfos.length; ++i) { | |
| var sourceInfo = sourceInfos[i]; | |
| if (sourceInfo.kind === 'audio') { | |
| console.log(sourceInfo); | |
| var id = sourceInfo.id; | |
| var label = sourceInfo.label || 'microphone'; // label is available for https | |
| audioSource = sourceInfo.id; // set last item | |
| var option = document.createElement('option'); | |
| option.setAttribute('value', id); | |
| option.innerHTML = label + '(' + id + ')';; | |
| micList.appendChild(option); | |
| } | |
| else if (sourceInfo.kind === 'video') { | |
| console.log(sourceInfo); | |
| var id = sourceInfo.id; | |
| var label = sourceInfo.label || 'camera'; // label is available for https | |
| videoSource = sourceInfo.id; // set last item | |
| var option = document.createElement('option'); | |
| option.setAttribute('value', id); | |
| option.innerHTML = label + '(' + id + ')'; | |
| cameraList.appendChild(option); | |
| } else { | |
| console.log('Some other kind of source: ', sourceInfo); | |
| } | |
| } | |
| }); | |
| function micSelected() { | |
| var index = micList.selectedIndex; | |
| if (index >= 0){ | |
| audioSource = micList.options[index].value; | |
| console.log("mic selected:" + audioSource); | |
| } | |
| } | |
| function cameraSelected() { | |
| var index = cameraList.selectedIndex; | |
| if (index >= 0){ | |
| videoSource = cameraList.options[index].value; | |
| console.log("camera selected:" + videoSource); | |
| } | |
| } | |
| function startMedia1() { | |
| var constraints = { | |
| audio: { | |
| optional: [{sourceId: audioSource}] | |
| }, | |
| video: { | |
| optional: [{sourceId: videoSource}] | |
| } | |
| }; | |
| navigator.webkitGetUserMedia(constraints, successCallback1, errorCallback); | |
| } | |
| function startMedia2() { | |
| var constraints = { | |
| audio: { | |
| optional: [{sourceId: audioSource}] | |
| }, | |
| video: { | |
| optional: [{sourceId: videoSource}] | |
| } | |
| }; | |
| navigator.webkitGetUserMedia(constraints, successCallback2, errorCallback); | |
| } | |
| function successCallback1(stream) { | |
| var localVideo = document.getElementById('local-video-1'); | |
| localVideo.src = window.webkitURL.createObjectURL(stream); | |
| } | |
| function successCallback2(stream) { | |
| var localVideo = document.getElementById('local-video-2'); | |
| localVideo.src = window.webkitURL.createObjectURL(stream); | |
| } | |
| function errorCallback(e) { | |
| console.error(e); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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