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| author | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2011-03-07 18:54:52 +0100 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2011-03-28 16:49:22 +0200 |
| commit | c6f951442efb34dd63e1e00b19bc30447075d5a3 (patch) | |
| tree | a53eb5db60239c26a5424436f74a30aa1d8ea3d9 /doc | |
| parent | 364cbc346b336e5d09b371ce05650f30be813276 (diff) | |
| download | ffmpeg-c6f951442efb34dd63e1e00b19bc30447075d5a3.tar.gz | |
framebuffer device demuxer
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/indevs.texi | 25 |
1 files changed, 25 insertions, 0 deletions
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. |