2018-08-20 7:30 GMT+02:00, Gyan Doshi <gyando...@gmail.com>: > On 20-08-2018 03:27 AM, Marvin Scholz wrote: > >> +@example >> +$ ffmpeg -i input -map 0:a -af loudnorm=I=-23:TP=-1:print_format=summary >> -f null - >> + >> +[...] >> +Input Integrated: -9.0 LUFS >> +Input True Peak: +1.5 dBTP >> +Input LRA: 9.4 LU >> +Input Threshold: -19.5 LUFS >> +@end example >> + >> +Then pass the input measurements to the next run that produces the >> result: >> + >> +@example >> +ffmpeg -i input -af >> loudnorm=I=-23:TP=-1:measured_I=-9.0:measured_TP=1.5: >> measured_LRA=9.4:measured_thresh=-19.5:print_format=summary >> output > > a) Your first pass command will run the filter for all audio streams in > the input, but your 2nd pass command won't. Suggest you remove the mapping.
Or use -map 0:a:0 Carl Eugen _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
