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

[Ronald S. Bultje]

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

[Paul B Mahol]

On 10/22/15, Ronald S. Bultje  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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