[Libva] [PATCH] STDE Optimization: Added code in the unit test to support optimization of STDE.

[Xiang, Haihao]

Applied,

Thanks
Haihao

> The current enhancement will support STDE optimization for STDE factors:
> 0(default), 3, 6 and 9
> ---
>  test/videoprocess/process.cfg      |  4 ++++
>  test/videoprocess/videoprocess.cpp | 10 +++++++++-
>  2 files changed, 13 insertions(+), 1 deletion(-)
> 
> diff --git a/test/videoprocess/process.cfg b/test/videoprocess/process.cfg
> index aac5fef..3981193 100644
> --- a/test/videoprocess/process.cfg
> +++ b/test/videoprocess/process.cfg
> @@ -77,3 +77,7 @@ COLOR_BALANCE_SATURATION: 1.0
>  COLOR_BALANCE_BRIGHTNESS: 20
>   #(0.0 ~ 10.0, default 1.0)
>  COLOR_BALANCE_CONTRAST:  1.2
> +
> +#5.6 Skin Tone Detection and Enhancement parameters
> + # (One of 0, 3, 6, 9, default = 0)
> +STDE_FACTOR: 9
> diff --git a/test/videoprocess/videoprocess.cpp b/test/videoprocess/videoprocess.cpp
> index f979c2a..b7bdda3 100644
> --- a/test/videoprocess/videoprocess.cpp
> +++ b/test/videoprocess/videoprocess.cpp
> @@ -511,9 +511,17 @@ skintone_filter_init(VABufferID *filter_param_buf_id)
>       VAStatus va_status = VA_STATUS_SUCCESS;
>       VAProcFilterParameterBuffer stde_param;
>       VABufferID stde_param_buf_id;
> +     uint8_t stde_factor = 0;
> +
> +     if (read_value_uint8(g_config_file_fd, "STDE_FACTOR", &stde_factor)) {
> +        printf("Read STDE Factor failed, use default value");
> +        stde_factor = 0;
> +    }
> +
> +    printf("Applying STDE factor: %d\n", stde_factor);
>  
>       stde_param.type  = VAProcFilterSkinToneEnhancement;
> -     stde_param.value = 0;
> +     stde_param.value = stde_factor;
>  
>       va_status = vaCreateBuffer(va_dpy, context_id,
>                                  VAProcFilterParameterBufferType, sizeof(stde_param), 1,