Flutter Windows应用无法识别USB集线器连接的双摄像头求助
问题:Flutter Windows应用无法识别USB集线器上的两个摄像头
我们正在开发Flutter Windows应用,通过USB集线器将两个摄像头连接到同一USB端口。在Windows 11系统的Chrome浏览器中测试以下JavaScript代码时,可正常识别两个摄像头,但将相同逻辑移植到Flutter中时,仅能识别1个摄像头。已检查并确认Flutter应用拥有完整USB访问权限,且尝试过各类Flutter摄像头库均无效果,请问还有其他可探索的库吗?
浏览器端测试代码
CSS
body { margin: 0; padding: 0; overflow: hidden; display: flex; flex-direction: row; align-items: center; justify-content: center; height: 100vh; } div { width: 50%; display: flex; flex-direction: column; align-items: center; } video { width: 100%; height: 100%; object-fit: cover; }
HTML
<div> <video id="camera1" autoplay playsinline></video> </div> <div> <video id="camera2" controls autoplay></video> </div>
JavaScript
var camera1 = document.getElementById('camera1') var camera2 = document.getElementById('camera2') navigator.mediaDevices.enumerateDevices().then((devices) => { console.log('TAG:: available devices ====:: ' + devices.length); const cameras = devices.filter(device => device.kind === 'videoinput'); console.log('TAG:: available cameras ====:: ' + cameras.length); cameras.forEach(device => { console.log(`TAG:: available camera: ====:: ${device.kind} :: ${device.label} :: ${device.deviceId}`); console.log(device.toJSON()); }); })
浏览器端正常识别的日志
TAG:: available devices ====:: 9 TAG:: available camera: ====:: videoinput :: USB GS Camera Right (0edc:2076) :: f53ef6f475edcc92d8a115adb3c6d43eed136ac763b6b61d81481924e2d6ea03 TAG:: available camera: ====:: videoinput :: USB GS Camera Left (0edc:2076) :: 51094bae387955f5bcede4e2c49a5650b4c839233e9a9de2bc263548e6254e02
内容的提问来源于stack exchange,提问作者Shekar Tippur
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