[FFmpeg-devel] [PATCH] vf_ssim: print per-channel dB values.

Paul B Mahol onemda at gmail.com
Thu Oct 22 22:47:23 CEST 2015


On 10/22/15, Ronald S. Bultje <rsbultje at gmail.com> wrote:
> ---
>  libavfilter/vf_ssim.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/libavfilter/vf_ssim.c b/libavfilter/vf_ssim.c
> index 5cd9361..e7a64f7 100644
> --- a/libavfilter/vf_ssim.c
> +++ b/libavfilter/vf_ssim.c
> @@ -346,7 +346,8 @@ static av_cold void uninit(AVFilterContext *ctx)
>          buf[0] = 0;
>          for (i = 0; i < s->nb_components; i++) {
>              int c = s->is_rgb ? s->rgba_map[i] : i;
> -            av_strlcatf(buf, sizeof(buf), " %c:%f", s->comps[i], s->ssim[c]
> / s->nb_frames);
> +            av_strlcatf(buf, sizeof(buf), " %c:%f (%f)", s->comps[i],
> s->ssim[c] / s->nb_frames,
> +                        ssim_db(s->ssim[c], s->nb_frames));
>          }
>          av_log(ctx, AV_LOG_INFO, "SSIM%s All:%f (%f)\n", buf,
>                 s->ssim_total / s->nb_frames, ssim_db(s->ssim_total,
> s->nb_frames));
> --
> 2.1.2
>
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>

Update docs, otherwise ok.


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