Javascript - Ao tirar Foto Converter para base64

Programação
#1

gente ao tirar a foto preciso converter a imagem para base 64.

    Webcam.set({
         // live preview size

         width: 320,
        height: 190,
                
        // device capture size
        dest_width: 620,
        dest_height: 460,
                
        // final cropped size
        crop_width: 460,
        crop_height: 460,
                
        // format and quality
        image_format: 'jpeg',
        jpeg_quality: 90,
                
        // flip horizontal (mirror mode)
        flip_horiz: true
        });
    Webcam.attach( '#my_camera' );
}

//Ativar/Desativar Webcam
        var shutter = new Audio();
        shutter.autoplay = false;
        shutter.src = navigator.userAgent.match(/Firefox/) ? 'shutter.ogg' : 'shutter.mp3';
        
        function TirarFoto() {
        document.getElementById('TirarFoto').style.display="none";
        document.getElementById('ErroFoto').style.display="block";  
        
            try { shutter.currentTime = 0; } catch(e) {;} 
            shutter.play();
            
           
            Webcam.freeze();

       
        }
        function draw(v,c,w,h) {

}
        function CacelarFoto() {
            // cancela a visualização da foto
            Webcam.unfreeze();
            
        document.getElementById('Ligar').style.display="block"; 
        document.getElementById('anexar').style.display="block";       
        document.getElementById('TirarFoto').style.display="none";
        document.getElementById('ErroFoto').style.display="none";  

        }
        


  <div id="my_camera" class="hidden-xs" style="float:right;margin-top:-80px; height: 190px; width: 237px;">

                              
                             </div>

                           <div style="float:right; margin-top:112px; margin-right: -160px;" class="hidden-xs" >
                           
                           <a class="btn btn-success" id="Ligar" onclick="LigarCamera()" role="button" aria-pressed="true">
                           <i class="fas fa-camera"></i></a>
                          <a class="btn btn-success" id="TirarFoto" onclick="TirarFoto()" role="button" aria-pressed="true">
                          <i class="fas fa-thumbs-up"></i></a>
                             <span class="btn btn-info btn-file" id="anexar">
                                   <input type="file"> <i class="fas fa-paperclip"></i>
                             </span>
                            <a class="btn btn-danger" id="ErroFoto" onclick="CacelarFoto()" role="button" aria-pressed="true"><i class="fas fa-thumbs-down"></i></i></a>
                           </div>
#2