async function access_webcam_modified(): Promise<void> {
    try {
        const constraints = {
            video: { facingMode: "environment" }, // Request the back camera
            audio: include_audio
        };
        const stream = await navigator.mediaDevices.getUserMedia(constraints);
        video_source.srcObject = stream;
        video_source.play();
        // Other setup code as needed
    } catch (err) {
        // Error handling
    }
}

access_webcam_modified();