[FFmpeg-cvslog] doc/vaapi_encode: add documentations for max_frame_size

[Linjie Fu]

ffmpeg | branch: master | Linjie Fu <linjie.fu at intel.com> | Thu May  5 17:07:15 2022 +0800| [e8381691813a4f10a280169a782a716568e57614] | committer: Haihao Xiang

doc/vaapi_encode: add documentations for max_frame_size

Add docs for max_frame_size option.

Signed-off-by: Linjie Fu <linjie.fu at intel.com>
Signed-off-by: Fei Wang <fei.w.wang at intel.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e8381691813a4f10a280169a782a716568e57614
---

 doc/encoders.texi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/doc/encoders.texi b/doc/encoders.texi
index 9796a606fa..bee45f9853 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -3714,6 +3714,11 @@ performance. This option doesn't work if driver doesn't implement vaSyncBuffer
 function. Please make sure there are enough hw_frames allocated if a large
 number of async_depth is used.
 
+ at item max_frame_size
+Set the allowed max size in bytes for each frame. If the frame size exceeds
+the limitation, encoder will adjust the QP value to control the frame size.
+Invalid in CQP rate control mode.
+
 @item rc_mode
 Set the rate control mode to use.  A given driver may only support a subset of
 modes.