[Libav-user] Histogram based implementation within EBU R128 scanner filter
rohit khali
khali.rohit at gmail.com
Wed Nov 23 12:17:12 EET 2022
Hi,
Thanks for the response.
With "conventional", I just meant ANY implementation which follows the
guidelines specified as per the loudness standard other than optimised
Histogram method.
I am referring to ffmpeg\libavfilter\ebur128.c and ebur128.h in the latest
code from https://github.com/FFmpeg/FFmpeg. Is there any other
implementation within FFmpeg being used by EBU R128 scanner filter?
To me it looks like
https://github.com/FFmpeg/FFmpeg/blob/master/libavfilter/ebur128.c is
derived from
https://github.com/jiixyj/libebur128/blob/master/ebur128/ebur128.c. Later
one has an option to disable histogram method but not the version included
in FFmpeg.
I am just trying to find some documentation/reference illustrating the
details on histogram based implementation and some comparisons including
performance and output values.
Regards,
Rohit
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