[FFmpeg-devel] [PATCH v1 1/3] avfilter/vf_yadif: rename config_props -> config_input, link -> outlink

[mypopy at gmail.com]

On Thu, Nov 28, 2019 at 9:34 AM <lance.lmwang at gmail.com> wrote:
>
> From: Limin Wang <lance.lmwang at gmail.com>
>
> Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
> ---
>  libavfilter/vf_yadif.c | 20 ++++++++++----------
>  1 file changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/libavfilter/vf_yadif.c b/libavfilter/vf_yadif.c
> index 3107924932..0b34c5045b 100644
> --- a/libavfilter/vf_yadif.c
> +++ b/libavfilter/vf_yadif.c
> @@ -311,26 +311,26 @@ static int query_formats(AVFilterContext *ctx)
>      return ff_set_common_formats(ctx, fmts_list);
>  }
>
> -static int config_props(AVFilterLink *link)
> +static int config_output(AVFilterLink *outlink)
>  {
> -    AVFilterContext *ctx = link->src;
> +    AVFilterContext *ctx = outlink->src;
>      YADIFContext *s = ctx->priv;
>
> -    link->time_base.num = ctx->inputs[0]->time_base.num;
> -    link->time_base.den = ctx->inputs[0]->time_base.den * 2;
> -    link->w             = ctx->inputs[0]->w;
> -    link->h             = ctx->inputs[0]->h;
> +    outlink->time_base.num = ctx->inputs[0]->time_base.num;
> +    outlink->time_base.den = ctx->inputs[0]->time_base.den * 2;
> +    outlink->w             = ctx->inputs[0]->w;
> +    outlink->h             = ctx->inputs[0]->h;
>
>      if(s->mode & 1)
> -        link->frame_rate = av_mul_q(ctx->inputs[0]->frame_rate,
> +        outlink->frame_rate = av_mul_q(ctx->inputs[0]->frame_rate,
>                                      (AVRational){2, 1});
>
> -    if (link->w < 3 || link->h < 3) {
> +    if (outlink->w < 3 || outlink->h < 3) {
>          av_log(ctx, AV_LOG_ERROR, "Video of less than 3 columns or lines is not supported\n");
>          return AVERROR(EINVAL);
>      }
>
> -    s->csp = av_pix_fmt_desc_get(link->format);
> +    s->csp = av_pix_fmt_desc_get(outlink->format);
>      s->filter = filter;
>      if (s->csp->comp[0].depth > 8) {
>          s->filter_line  = filter_line_c_16bit;
> @@ -369,7 +369,7 @@ static const AVFilterPad avfilter_vf_yadif_outputs[] = {
>          .name          = "default",
>          .type          = AVMEDIA_TYPE_VIDEO,
>          .request_frame = ff_yadif_request_frame,
> -        .config_props  = config_props,
> +        .config_props  = config_output,
>      },
>      { NULL }
>  };
> --
> 2.21.0
>
Why ？