0011-doc-vaapi_encode-add-documentations-for-max_frame_si.patch

From d6023f523799a581e217c7ed8bfbd938c292ee70 Mon Sep 17 00:00:00 2001
From: Linjie Fu <linjie.fu@intel.com>
Date: Fri, 21 Jun 2019 00:39:08 +0800
Subject: [PATCH 11/28] doc/vaapi_encode: add documentations for max_frame_size

Add docs for max_frame_size option.

Signed-off-by: Linjie Fu <linjie.fu@intel.com>
---
 doc/encoders.texi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/doc/encoders.texi b/doc/encoders.texi
index e23b6b3..79937ed 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -3004,6 +3004,12 @@ will refer only to P- or I-frames.  When set to greater values multiple layers
 of B-frames will be present, frames in each layer only referring to frames in
 higher layers.
 
+@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 by adding delta_qp for each 
+pass to control the frame size. To simplify the usage, delta_qp is set to
+default.
+
 @item rc_mode
 Set the rate control mode to use.  A given driver may only support a subset of
 modes.
-- 
2.7.4