[FFmpeg-devel] [PATCH 09/19] avfilter/vf_bm3d: Don't allocate inpad names

[Paul B Mahol]

On 8/25/20, Andreas Rheinhardt <andreas.rheinhardt at gmail.com> wrote:
> These names are always the same, so not using duplicates saves
> allocations, checks for the allocations as well as frees.
>
> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>
> ---
>  libavfilter/vf_bm3d.c | 19 ++++---------------
>  1 file changed, 4 insertions(+), 15 deletions(-)
>

LGTM

> diff --git a/libavfilter/vf_bm3d.c b/libavfilter/vf_bm3d.c
> index e5d2b8bc63..18d13b25ff 100644
> --- a/libavfilter/vf_bm3d.c
> +++ b/libavfilter/vf_bm3d.c
> @@ -942,27 +942,19 @@ static av_cold int init(AVFilterContext *ctx)
>      }
>
>      pad.type         = AVMEDIA_TYPE_VIDEO;
> -    pad.name         = av_strdup("source");
> +    pad.name         = "source";
>      pad.config_props = config_input;
> -    if (!pad.name)
> -        return AVERROR(ENOMEM);
>
> -    if ((ret = ff_insert_inpad(ctx, 0, &pad)) < 0) {
> -        av_freep(&pad.name);
> +    if ((ret = ff_insert_inpad(ctx, 0, &pad)) < 0)
>          return ret;
> -    }
>
>      if (s->ref) {
>          pad.type         = AVMEDIA_TYPE_VIDEO;
> -        pad.name         = av_strdup("reference");
> +        pad.name         = "reference";
>          pad.config_props = NULL;
> -        if (!pad.name)
> -            return AVERROR(ENOMEM);
>
> -        if ((ret = ff_insert_inpad(ctx, 1, &pad)) < 0) {
> -            av_freep(&pad.name);
> +        if ((ret = ff_insert_inpad(ctx, 1, &pad)) < 0)
>              return ret;
> -        }
>      }
>
>      return 0;
> @@ -1027,9 +1019,6 @@ static av_cold void uninit(AVFilterContext *ctx)
>      BM3DContext *s = ctx->priv;
>      int i;
>
> -    for (i = 0; i < ctx->nb_inputs; i++)
> -        av_freep(&ctx->input_pads[i].name);
> -
>      if (s->ref)
>          ff_framesync_uninit(&s->fs);
>
> --
> 2.20.1
>
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