[x265] [PATCH] Allow overriding of aq-mode and cutree options when rc-grain is enabled

[Pradeep Ramachandran]

On Tue, Jul 17, 2018 at 4:12 PM, <aruna at multicorewareinc.com> wrote:

> # HG changeset patch
> # User Aruna Matheswaran <aruna at multicorewareinc.com>
> # Date 1531824097 -19800
> #      Tue Jul 17 16:11:37 2018 +0530
> # Node ID 0814c8fb835f7a29bf20aad1a24ac3a16eafa62e
> # Parent  18eaffdd36384d04c907bdd9c3fd9962d95af66d
> Allow overriding of aq-mode and cutree options when rc-grain is enabled.
>

Pushed to default


>
> diff -r 18eaffdd3638 -r 0814c8fb835f doc/reST/presets.rst
> --- a/doc/reST/presets.rst      Fri Jun 15 19:00:45 2018 +0530
> +++ b/doc/reST/presets.rst      Tue Jul 17 16:11:37 2018 +0530
> @@ -156,7 +156,8 @@
>  that strictly minimises QP fluctuations across frames, while still
> allowing
>  the encoder to hit bitrate targets and VBV buffer limits (with a slightly
>  higher margin of error than normal). It is highly recommended that this
> -algorithm is used only through the :option:`--tune` *grain* feature.
> +algorithm is used only through the :option:`--tune` *grain* feature.
> +Overriding the `--tune` *grain* settings might result in grain strobing.
>
>  Fast Decode
>  ~~~~~~~~~~~
> diff -r 18eaffdd3638 -r 0814c8fb835f source/encoder/encoder.cpp
> --- a/source/encoder/encoder.cpp        Fri Jun 15 19:00:45 2018 +0530
> +++ b/source/encoder/encoder.cpp        Tue Jul 17 16:11:37 2018 +0530
> @@ -2830,13 +2830,6 @@
>          p->bDistributeMotionEstimation = p->bDistributeModeAnalysis = 0;
>      }
>
> -    if (p->rc.bEnableGrain)
> -    {
> -        x265_log(p, X265_LOG_WARNING, "Rc Grain removes qp fluctuations
> caused by aq/cutree, Disabling aq,cu-tree\n");
> -        p->rc.cuTree = 0;
> -        p->rc.aqMode = 0;
> -    }
> -
>      if (p->bDistributeModeAnalysis && (p->limitReferences >> 1) && 1)
>      {
>          x265_log(p, X265_LOG_WARNING, "Limit reference options 2 and 3
> are not supported with pmode. Disabling limit reference\n");
>
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>
>
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