[FFmpeg-devel] [PATCH] avfilter/vf_showinfo: remove backspaces

[FFmpeg-devel] [PATCH] avfilter/vf_showinfo: remove backspaces

[Michael Niedermayer]

They mess with storing editing and comparing the results

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavfilter/vf_showinfo.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/libavfilter/vf_showinfo.c b/libavfilter/vf_showinfo.c
index 2c8514fc80..9b4a9fc981 100644
--- a/libavfilter/vf_showinfo.c
+++ b/libavfilter/vf_showinfo.c
@@ -733,12 +733,15 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
             av_log(ctx, AV_LOG_INFO, " %08"PRIX32, plane_checksum[plane]);
         av_log(ctx, AV_LOG_INFO, "] mean:[");
         for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
-            av_log(ctx, AV_LOG_INFO, "%"PRId64" ", (sum[plane] + pixelcount[plane]/2) / pixelcount[plane]);
-        av_log(ctx, AV_LOG_INFO, "\b] stdev:[");
+            av_log(ctx, AV_LOG_INFO, "%s%"PRId64,
+                   plane ? " ":"",
+                   (sum[plane] + pixelcount[plane]/2) / pixelcount[plane]);
+        av_log(ctx, AV_LOG_INFO, "] stdev:[");
         for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
-            av_log(ctx, AV_LOG_INFO, "%3.1f ",
+            av_log(ctx, AV_LOG_INFO, "%s%3.1f",
+                   plane ? " ":"",
                    sqrt((sum2[plane] - sum[plane]*(double)sum[plane]/pixelcount[plane])/pixelcount[plane]));
-        av_log(ctx, AV_LOG_INFO, "\b]");
+        av_log(ctx, AV_LOG_INFO, "]");
     }
     av_log(ctx, AV_LOG_INFO, "\n");
 
-- 
2.17.1

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Re: [FFmpeg-devel] [PATCH] avfilter/vf_showinfo: remove backspaces

[Michael Niedermayer]

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On Thu, Jul 21, 2022 at 08:28:04PM +0200, Michael Niedermayer wrote:
> They mess with storing editing and comparing the results
> 
> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
> ---
>  libavfilter/vf_showinfo.c | 11 +++++++----
>  1 file changed, 7 insertions(+), 4 deletions(-)

will apply

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Frequently ignored answer#1 FFmpeg bugs should be sent to our bugtracker. User
questions about the command line tools should be sent to the ffmpeg-user ML.
And questions about how to use libav* should be sent to the libav-user ML.

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