[FFmpeg-devel] [PATCH] Updated the documentation about the encoding options for libaom-av1 encoder.

[Sam John]

---
 doc/encoders.texi | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/doc/encoders.texi b/doc/encoders.texi
index 94337d009c..a669ac3739 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -1434,6 +1434,12 @@ value is 1, which will be slow and high quality.
 Enable use of alternate reference frames.  Defaults to the internal
 default of the library.
 
+ at item arnr-max-frames
+Set altref noise reduction max frame count.
+
+ at item arnr-strength
+Set altref noise reduction filter strength.
+
 @item lag-in-frames
 Set the maximum number of frames which the encoder may keep in flight
 at any one time for lookahead purposes.  Defaults to the internal
@@ -1466,6 +1472,33 @@ buffer falls below this percentage, frames will be dropped until it
 has refilled above the threshold.  Defaults to zero (no frames are
 dropped).
 
+ at item denoise-noise-level
+Amount of noise to be removed for grain synthesis. Grain synthesis is disabled if 
+it is not set or set to 0.
+
+ at item denoise-block-size
+Block size used for denoising for grain synthesis. If not set, AV1 codec
+uses the default value of 32.
+
+ at item undershoot-pct
+Set datarate undershoot (min) percentage of the target bitrate.
+
+ at item overshoot-pct
+Set datarate overshoot (max) percentage of the target bitrate.
+
+ at item maxrate (@emph{maxsection-pct})
+Set GOP max bitrate in bits/s. Note @command{libaom-av1}'s option maxsection-pct is
+specified as a percentage of the target bitrate. If maxsection-pct is not set, the
+libaomenc wrapper computes it as follows: @code{(maxrate * 100 / bitrate)}.
+
+ at item minrate (@emph{minsection-pct})
+Set GOP min bitrate in bits/s. Note @command{libaom-av1}'s option minsection-pct is
+specified as a percentage of the target bitrate. If minsection-pct is not set, the
+libaomenc wrapper computes it as follows: @code{(minrate * 100 / bitrate)}.
+
+ at item frame-parallel @var{boolean}
+Enable frame parallel decodability features. The default value is true.
+
 @item tiles
 Set the number of tiles to encode the input video with, as columns x
 rows.  Larger numbers allow greater parallelism in both encoding and
@@ -1480,6 +1513,19 @@ Provided for compatibility with libvpx/VP9.
 @item row-mt (Requires libaom >= 1.0.0-759-g90a15f4f2)
 Enable row based multi-threading. Disabled by default.
 
+ at item enable-cdef @var{boolean}
+Flag to enable or disable Constrianed Directional Enhancement Filter. The libaom-av1
+encoder enables CDEF by default.
+
+ at item enable-global-motion @var{boolean}
+Flag to enable or disable the use of global motion for block prediction. 
+The default value is true.
+
+ at item enable-intrabc @var{boolean}
+Flag to enable or disable block copy mode for intra block prediction. This mode is
+useful for screen content. The default value is true.
+
+
 @end table
 
 @section libkvazaar
-- 
2.21.0.392.gf8f6787159e-goog