[FFmpeg-devel] [PATCH 2/3] doc/ffmpeg: Update the description about d3d11va

[Xiang, Haihao]

From: Haihao Xiang <haihao.xiang at intel.com>

Signed-off-by: Haihao Xiang <haihao.xiang at intel.com>
---
 doc/ffmpeg.texi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi
index 68363ae045..5296b75a4e 100644
--- a/doc/ffmpeg.texi
+++ b/doc/ffmpeg.texi
@@ -1165,6 +1165,21 @@ Choose the first device and use the primary device context.
 
 @item d3d11va
 @var{device} is the number of the Direct3D 11 display adapter.
+If not specified, it will attempt to use the default Direct3D 11 display adapter
+or the first Direct3D 11 display adapter whose Harware VendorId is specified
+by @samp{vendor_id}.
+
+Examples:
+ at table @emph
+ at item -init_hw_device d3d11va
+Create a d3d11va device on the default Direct3D 11 display adapter.
+
+ at item -init_hw_device d3d11va:1
+Create a d3d11va device on the Direct3D 11 display adapter specified by index 1.
+
+ at item -init_hw_device d3d11va:,vendor_id=0x8086
+Create a d3d11va device on the first Direct3D 11 display adapter whose Harware VendorId is 0x8086.
+ at end table
 
 @item vaapi
 @var{device} is either an X11 display name, a DRM render node or a DirectX adapter index.
-- 
2.34.1