Add sliding_window docs for h264_vaapi encoder.
Signed-off-by: Jun Zhao <[email protected]>
---
doc/encoders.texi | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/doc/encoders.texi b/doc/encoders.texi
index 6851e75..c558b76 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -2624,6 +2624,10 @@ Each encoder also has its own specific options:
improves subjective visual quality. It may have a negative impact on
performance and
objective visual quality metrics. Default is off and can't compatible with
Constant QP.
+@option{sliding_window} enabled the sliding windows bit rate control, that is
a feature to
+reduce the instant bitrate fluctuation, occasional big frame size for intra
and scene
+change frames are allowed. And the fluctuation level can be controlled by max
bit rate.
+
@table @option
@item coder
Set entropy encoder (default is @emph{cabac}). Possible values:
--
1.7.1
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