diff options
Diffstat (limited to 'doc/ffmpeg.texi')
| -rw-r--r-- | doc/ffmpeg.texi | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi index 45a1948fe5..2e1d469612 100644 --- a/doc/ffmpeg.texi +++ b/doc/ffmpeg.texi @@ -474,8 +474,6 @@ FF_ER_COMPLIANT @item 3 FF_ER_AGGRESSIVE @item 4 -FF_ER_VERY_AGGRESSIVE -@item 5 FF_ER_EXPLODE @end table @@ -906,8 +904,34 @@ the DISPLAY environment variable. ffmpeg -f x11grab -s cif -r 25 -i :0.0+10,20 /tmp/out.mpg @end example -0.0 is display.screen number of your X11 server, same as the DISPLAY environment -variable. 10 is the x-offset and 20 the y-offset for the grabbing. +10 is the x-offset and 20 the y-offset for the grabbing. + +@example +ffmpeg -f x11grab -follow_mouse centered -s cif -r 25 -i :0.0 /tmp/out.mpg +@end example + +The grabbing region follows the mouse pointer, which stays at the center of +region. + +@example +ffmpeg -f x11grab -follow_mouse 100 -s cif -r 25 -i :0.0 /tmp/out.mpg +@end example + +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 |