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| author | Omar Emara <mail@OmarEmara.dev> | 2020-07-11 11:29:09 +0200 |
|---|---|---|
| committer | Andriy Gelman <andriy.gelman@gmail.com> | 2020-11-06 23:25:13 -0500 |
| commit | 04b37b5d7fcd5ffd141054177611d5168629e4ac (patch) | |
| tree | a426e7e66baecc55ec8086686c92f471a0b1e31a /doc/indevs.texi | |
| parent | c8101aabee654f6d147a4d89f77fa73e18908610 (diff) | |
avdevice/xcbgrab: Add select_region option
This patch adds a select_region option to the xcbgrab input device.
If set to 1, the user will be prompted to select the grabbing area
graphically by clicking and dragging. A rectangle will be drawn to
mark the grabbing area. A single click with no dragging will select
the whole screen. The option overwrites the video_size, grab_x, and
grab_y options if set by the user.
For testing, just set the select_region option as follows:
ffmpeg -f x11grab -select_region 1 -i :0.0 output.mp4
The drawing happens directly on the root window using standard rubber
banding techniques, so it is very efficient and doesn't depend on any
X extensions or compositors.
Reviewed-by: Andriy Gelman <andriy.gelman@gmail.com>
Signed-off-by: Omar Emara <mail@OmarEmara.dev>
Diffstat (limited to 'doc/indevs.texi')
| -rw-r--r-- | doc/indevs.texi | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/indevs.texi b/doc/indevs.texi index 3d554bc8d8..62b6ebb3e3 100644 --- a/doc/indevs.texi +++ b/doc/indevs.texi @@ -1503,6 +1503,14 @@ ffmpeg -f x11grab -framerate 25 -video_size cif -i :0.0+10,20 out.mpg @subsection Options @table @option +@item select_region +Specify whether to select the grabbing area graphically using the pointer. +A value of @code{1} prompts the user to select the grabbing area graphically +by clicking and dragging. A single click with no dragging will select the +whole screen. A region with zero width or height will also select the whole +screen. This option overwrites the @var{video_size}, @var{grab_x}, and +@var{grab_y} options. Default value is @code{0}. + @item draw_mouse Specify whether to draw the mouse pointer. A value of @code{0} specifies not to draw the pointer. Default value is @code{1}. |