Document the return value of choose() and how it is useful.

[nageru-docs] / hardware.rst

diff --git a/hardware.rst b/hardware.rst
index 5d27401bdf9eca1ac3e91cad45bb197413339ac8..5171baebad937eb69e415cf28b08572175a5d86d 100644 (file)
--- a/hardware.rst
+++ b/hardware.rst
@@ -104,16 +104,16 @@ The PCI cards (known as DeckLink) require Blackmagic's proprietary driver
 (`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
 -----------------------
 
 If you have an input source with a different resolution than the native mode
-(currently locked to 720p; this will be configurable without recompiling
-in the future), Nageru will scale transparently for you using a Lanczos3
+(720p by default, but you can change this using the -w and -h command line
+parameters), Nageru will scale transparently for you using a Lanczos3
 filter (or rather, the :doc:`theme <theme>` will). This requires some extra GPU power,
 so if you can avoid it, use the native mode. Similarly, if you connect an
 interlaced input, Nageru will automatically deinterlace for you.