From c6f951442efb34dd63e1e00b19bc30447075d5a3 Mon Sep 17 00:00:00 2001 From: Stefano Sabatini Date: Mon, 7 Mar 2011 18:54:52 +0100 Subject: framebuffer device demuxer Signed-off-by: Anton Khirnov --- doc/indevs.texi | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'doc/indevs.texi') diff --git a/doc/indevs.texi b/doc/indevs.texi index 2d66033ca1..c5e04b029e 100644 --- a/doc/indevs.texi +++ b/doc/indevs.texi @@ -59,6 +59,31 @@ BSD video input device. Linux DV 1394 input device. +@section fbdev + +Linux framebuffer input device. + +The Linux framebuffer is a graphic hardware-independent abstraction +layer to show graphics on a computer monitor, typically on the +console. It is accessed through a file device node, usually +@file{/dev/fb0}. + +For more detailed information read the file +Documentation/fb/framebuffer.txt included in the Linux source tree. + +To record from the framebuffer device @file{/dev/fb0} with +@file{ffmpeg}: +@example +ffmpeg -f fbdev -r 10 -i /dev/fb0 out.avi +@end example + +You can take a single screenshot image with the command: +@example +ffmpeg -f fbdev -vframes 1 -r 1 -i /dev/fb0 screenshot.jpeg +@end example + +See also @url{http://linux-fbdev.sourceforge.net/}, and fbset(1). + @section jack JACK input device. -- cgit v1.2.3