LAV
/
FFmpeg
1
0
Fork 0
Code

doc/ffmpeg: update the documentation about vaapi device creation 

Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
This commit is contained in:
Haihao Xiang 2024-01-16 13:23:11 +08:00 committed by Stefano Sabatini
parent 6414ecd857
commit 6e4d85a94e
1 changed files with 23 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
doc/ffmpeg.texi
View File

@ -1379,6 +1379,29 @@ If not specified, it will attempt to open the default X11 display (@emph{$DISPLA
and then the first DRM render node (@emph{/dev/dri/renderD128}), or the default
DirectX adapter on Windows.
The following options are recognized:
@table @option
@item kernel_driver
When @var{device} is not specified, use this option to specify the name of the kernel
driver associated with the desired device. This option is available only when
the hardware acceleration method @emph{drm} and @emph{vaapi} are enabled.
@end table
Examples:
@table @emph
@item -init_hw_device vaapi
Create a vaapi device on the default device.
@item -init_hw_device vaapi:/dev/dri/renderD129
Create a vaapi device on DRM render node @file{/dev/dri/renderD129}.
@item -init_hw_device vaapi:1
Create a vaapi device on DirectX adapter 1.
@item -init_hw_device vaapi:,kernel_driver=i915
Create a vaapi device on a device associated with kernel driver @samp{i915}.
@end table
@item vdpau
@var{device} is an X11 display name.
If not specified, it will attempt to open the default X11 display (@emph{$DISPLAY}).