[FFmpeg-devel] [PATCH v1] avfilter/vf_delogo: make the interp value compute method simple

[Liu Steven]

> 在 2019年10月7日，下午1:06，Steven Liu <lq at chinaffmpeg.org> 写道：
> 
> because the interp >= 0UL comparison of an unsigned value is always true
> fix CID: 1454642
> 
> Signed-off-by: Steven Liu <lq at chinaffmpeg.org>
> ---
> libavfilter/vf_delogo.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/libavfilter/vf_delogo.c b/libavfilter/vf_delogo.c
> index 376c5e850f..27a769982f 100644
> --- a/libavfilter/vf_delogo.c
> +++ b/libavfilter/vf_delogo.c
> @@ -168,7 +168,7 @@ static void apply_delogo(uint8_t *dst, int dst_linesize,
>                  botleft[x-logo_x1-1]  +
>                  botleft[x-logo_x1+1]) * weightb;
>             weight = (weightl + weightr + weightt + weightb) * 3U;
> -            interp = ROUNDED_DIV(interp, weight);
> +            interp += weight >> 1;
> 
>             if (y >= logo_y+band && y < logo_y+logo_h-band &&
>                 x >= logo_x+band && x < logo_x+logo_w-band) {
> -- 
> 2.17.2 (Apple Git-113)
> 

ignore this patch please, i will resubmit v2 
> 
> 
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