[x265] [PATCH][uhdkit]tune Mapping fix for x265+SVT-HEVC integration

[Pradeep Ramachandran]

On Wed, Feb 27, 2019 at 3:42 PM Dinesh Kumar Reddy <
dinesh at multicorewareinc.com> wrote:

> # HG changeset patch
> # User Dinesh<dinesh at multicorewareinc.com>
> # Date 1551169344 -19800
> #      Tue Feb 26 13:52:24 2019 +0530
> # Node ID 31ab7e09a3b5b15ffcc532826d4dd5d37e611483
> # Parent  cb3e172a5f51c6a4bf8adb7953fe53277f5a1979
> - Fixed  --tune mapping issue in x265 + SVT-HEVc integration
>

Pushed to default branch of x265.


>
> diff -r cb3e172a5f51 -r 31ab7e09a3b5 doc/reST/svthevc.rst
> --- a/doc/reST/svthevc.rst Tue Feb 19 20:20:35 2019 +0530
> +++ b/doc/reST/svthevc.rst Tue Feb 26 13:52:24 2019 +0530
> @@ -177,12 +177,14 @@
>  +----------------------------------------+------------------------------+
>
>  x265 has 5 tune modes (psnr, ssim, grain, zero-latency, animation)
> whereas SVT-HEVC
> -has only 2 tune modes (0 - Subjective Quality Mode, 1 - Objective Quality
> Mode). Below
> +has only 3 tune modes (0 - visual quality, 1 - PSNR / SSIM and 2 - VMAF).
> Below
>  table shows the mapping of tune modes,
>
>  +-----------------------+---------------------------+
>  | x265 Tune Modes       | SVT-HEVC Tune Modes       |
>  +=======================+===========================+
> +| vmaf                  | 2                         |
> ++-----------------------+---------------------------+
>  | psnr                  | 1                         |
>  +-----------------------+---------------------------+
>  | ssim                  | 1                         |
> @@ -196,4 +198,5 @@
>  | animation             | 0                         |
>  +-----------------------+---------------------------+
>
> -Note that :option:`--tune` animation is also mapped to "LatencyMode" of
> SVT-HEVC.
> +Note that : 1.option:`--tune` animation is also mapped to "LatencyMode"
> of SVT-HEVC.
> +            2.option: '--tune' vmaf is not supported in x265, its under
> development.
> diff -r cb3e172a5f51 -r 31ab7e09a3b5 source/common/param.cpp
> --- a/source/common/param.cpp Tue Feb 19 20:20:35 2019 +0530
> +++ b/source/common/param.cpp Tue Feb 26 13:52:24 2019 +0530
> @@ -570,6 +570,10 @@
>              param->deblockingFilterBetaOffset = 1;
>              param->deblockingFilterTCOffset = 1;
>          }
> + else if (!strcmp(tune, "vmaf"))  /*Adding vmaf for x265 + SVT-HEVC
> integration support*/
> + {
> + /*vmaf is under development, currently x265 won't support vmaf*/
> + }
>          else
>              return -1;
>      }
> @@ -2482,7 +2486,8 @@
>          if (!strcmp(tune, "psnr")) svtHevcParam->tune = 1;
>          else if (!strcmp(tune, "ssim")) svtHevcParam->tune = 1;
>          else if (!strcmp(tune, "grain")) svtHevcParam->tune = 0;
> -        else if (!strcmp(tune, "animation")) svtHevcParam->tune = 1;
> +        else if (!strcmp(tune, "animation")) svtHevcParam->tune = 0;
> + else if (!strcmp(tune, "vmaf")) svtHevcParam->tune = 2;
>          else if (!strcmp(tune, "zero-latency") || !strcmp(tune,
> "zerolatency")) svtHevcParam->latencyMode = 1;
>          else  return -1;
>      }
>
>
>
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>
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