[FFmpeg-devel] [PATCH] libavutil/timestamp.h: Fix loss of precision in timestamps

[Allan Cady]

I prepared this patch a year ago but never followed through to get it accepted. Thought I would give it another try. I've been using a local copy with these changes, and for me it makes the difference between silencedetect being usable or not. 

Brief description: The existing implementation of the silencedetect filter uses the format specifier "%.6g", which keeps a fixed-width, and so loses precision as the time offsets get larger. I propose changing to "%.6f", which keeps six decimal digits precision no matter how large the offset.
Further explanation in the patch comments.
New patch attached, and here is the last correspondence I had with y'all last year.
https://ffmpeg.org/pipermail/ffmpeg-devel/2019-April/242233.html 



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