(`Desktop Video <https://www.blackmagicdesign.com/support>`_) installed
and working. It is non-free and thus not included in most Linux distributions.
However, the SDK is not needed for building Nageru; the required headers
-are free and included. Note that the PCI cards generally do not autodetect,
-so you will need to right-click on the input to set the right mode.
+are free and included. Most of the PCI cards autodetect, but for some older
+versions, you will need to right-click on the input to set the right mode.
Video format conversion