[FFmpeg-devel] [PATCH] avfilter/vf_w3fdif: 255 * 256 * 128 -> max

[Paul B Mahol]

NAK

On 8/11/20, lance.lmwang at gmail.com <lance.lmwang at gmail.com> wrote:
> From: Limin Wang <lance.lmwang at gmail.com>
>
> max is initialized to ((1 << depth) - 1) * 256 * 128 before.
>
> Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
> ---
>  libavfilter/vf_w3fdif.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libavfilter/vf_w3fdif.c b/libavfilter/vf_w3fdif.c
> index 5d64dbd..0f9efbf 100644
> --- a/libavfilter/vf_w3fdif.c
> +++ b/libavfilter/vf_w3fdif.c
> @@ -163,7 +163,7 @@ static void filter_scale(uint8_t *out_pixel, const
> int32_t *work_pixel, int line
>      int j;
>
>      for (j = 0; j < linesize; j++, out_pixel++, work_pixel++)
> -        *out_pixel = av_clip(*work_pixel, 0, 255 * 256 * 128) >> 15;
> +        *out_pixel = av_clip(*work_pixel, 0, max) >> 15;
>  }
>
>  static void filter16_simple_low(int32_t *work_line,
> --
> 1.8.3.1
>
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Change is pointless and give no real benefits.