问mac端使用desktopCapturer能同时录屏+录制麦克风声音+录制系统声音吗？

navigator.mediaDevices.getUserMedia({
    audio:{
        mandatory: {
            chromeMediaSource: 'desktop'
        }
    },

    video: {
        mandatory: {
            chromeMediaSource: 'desktop',
            chromeMediaSourceId: source.id,
            maxWidth: window.screen.width,
            maxHeight: window.screen.height
        }
    }
}
window 端混流之后可以实现但是，mac端getUserMedia直接报错，请问有解决的办法吗