If you can play a video / movie, then you can capture it (even if it is with a handheld camera or other). Composite video out from your DVD player will normally end up giving good enough quality for capture. It won't be the original digital version, but it will be pretty good.
Using XSL it is possible to open the XML file that you want to edit and transform it into an HTML form and send it to the browser. The values of the XML elements will be placed as the values of the HTML input fields. After you make the necessary edits, the edited information can be submitted to the server and the XML file updated.