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

[Sam John]

Hi,

Is there anything to be done for this patch ?

Thanks
Sam John

On Tue, Apr 9, 2019 at 5:55 PM Sam John <samjohn at google.com> wrote:

> ---
>  doc/encoders.texi | 47 +++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 47 insertions(+)
>
> diff --git a/doc/encoders.texi b/doc/encoders.texi
> index 94337d009c..15b9199549 100644
> --- a/doc/encoders.texi
> +++ b/doc/encoders.texi
> @@ -1434,6 +1434,16 @@ 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.
> +
> + at item aq-mode
> +Set adaptive quantization mode (0: off (default), 1: variance 2:
> complexity, 3:
> +cyclic refresh).
> +
>  @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 +1476,31 @@ 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
> +this option 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 maxsection-pct
> +Maximum percentage variation of the GOP bitrate from the target bitrate.
> If maxsection-pct
> +is not set, the libaomenc wrapper computes it as follows: @code{(maxrate
> * 100 / bitrate)}.
> +
> + at item minrate
> +Minimum percentage variation of the GOP bitrate from 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 +1515,18 @@ 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 Constrained 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
>
>