[FFmpeg-devel] [PATCH 08/19] avfilter/f_ebur128: Don't allocate outpad names

[Paul B Mahol]

On 8/25/20, Andreas Rheinhardt <andreas.rheinhardt at gmail.com> wrote:
> These names are mostly 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/f_ebur128.c | 18 ++++--------------
>  1 file changed, 4 insertions(+), 14 deletions(-)
>

LGTM

> diff --git a/libavfilter/f_ebur128.c b/libavfilter/f_ebur128.c
> index 31b75ab097..5ae3dc25b8 100644
> --- a/libavfilter/f_ebur128.c
> +++ b/libavfilter/f_ebur128.c
> @@ -527,30 +527,22 @@ static av_cold int init(AVFilterContext *ctx)
>      /* insert output pads */
>      if (ebur128->do_video) {
>          pad = (AVFilterPad){
> -            .name         = av_strdup("out0"),
> +            .name         = "out0",
>              .type         = AVMEDIA_TYPE_VIDEO,
>              .config_props = config_video_output,
>          };
> -        if (!pad.name)
> -            return AVERROR(ENOMEM);
>          ret = ff_insert_outpad(ctx, 0, &pad);
> -        if (ret < 0) {
> -            av_freep(&pad.name);
> +        if (ret < 0)
>              return ret;
> -        }
>      }
>      pad = (AVFilterPad){
> -        .name         = av_asprintf("out%d", ebur128->do_video),
> +        .name         = ebur128->do_video ? "out1" : "out0",
>          .type         = AVMEDIA_TYPE_AUDIO,
>          .config_props = config_audio_output,
>      };
> -    if (!pad.name)
> -        return AVERROR(ENOMEM);
>      ret = ff_insert_outpad(ctx, ebur128->do_video, &pad);
> -    if (ret < 0) {
> -        av_freep(&pad.name);
> +    if (ret < 0)
>          return ret;
> -    }
>
>      /* summary */
>      av_log(ctx, AV_LOG_VERBOSE, "EBU +%d scale\n", ebur128->meter);
> @@ -990,8 +982,6 @@ static av_cold void uninit(AVFilterContext *ctx)
>          av_freep(&ebur128->i400.cache[i]);
>          av_freep(&ebur128->i3000.cache[i]);
>      }
> -    for (i = 0; i < ctx->nb_outputs; i++)
> -        av_freep(&ctx->output_pads[i].name);
>      av_frame_free(&ebur128->outpicref);
>  #if CONFIG_SWRESAMPLE
>      av_freep(&ebur128->swr_buf);
> --
> 2.20.1
>
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel at ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>
> To unsubscribe, visit link above, or email
> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".