diff options
Diffstat (limited to 'doc')
-rw-r--r-- | doc/ffmpeg.texi | 13 | ||||
-rw-r--r-- | doc/indevs.texi | 19 |
2 files changed, 32 insertions, 0 deletions
diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi index 8d3968dbf2..f3a4689d6c 100644 --- a/doc/ffmpeg.texi +++ b/doc/ffmpeg.texi @@ -916,6 +916,19 @@ ffmpeg -f x11grab -follow_mouse 100 -s cif -r 25 -i :0.0 /tmp/out.mpg Only follows when mouse pointer reaches within 100 pixels to the edge of region. +@example +ffmpeg -f x11grab -show_region 1 -s cif -r 25 -i :0.0+10,20 /tmp/out.mpg +@end example + +The grabbing region will be indicated on screen. + +@example +ffmpeg -f x11grab -follow_mouse centered -show_region 1 -s cif -r 25 -i :0.0 /tmp/out.mpg +@end example + +The grabbing region indication will follow the mouse pointer. + + @section Video and Audio file format conversion Any supported file format and protocol can serve as input to ffmpeg: diff --git a/doc/indevs.texi b/doc/indevs.texi index aa001cdb63..fa21c099d5 100644 --- a/doc/indevs.texi +++ b/doc/indevs.texi @@ -271,4 +271,23 @@ ffmpeg -f x11grab -follow_mouse centered -r 25 -s cif -i :0.0 out.mpg ffmpeg -f x11grab -follow_mouse 100 -r 25 -s cif -i :0.0 out.mpg @end example +@subsection @var{show_region} AVOption + +The syntax is: +@example +-show_region 1 +@end example + +If @var{show_region} AVOption is specified with @var{1}, then the grabbing +region will be indicated on screen. With this option, it's easy to know what is +being grabbed if only a portion of the screen is grabbed. + +For example: +@example +ffmpeg -f x11grab -show_region 1 -r 25 -s cif -i :0.0+10,20 out.mpg + +# With follow_mouse +ffmpeg -f x11grab -follow_mouse centered -show_region 1 -r 25 -s cif -i :0.0 out.mpg +@end example + @c man end INPUT DEVICES |