BS1770GAIN is based on FFmpeg. If a file is not processable by FFmpeg it
is not processable by BS1770GAIN.
This particular sample file seems not to be processable by FFmpeg. Try
e.g. the following command
$ ffmpeg -i samples/20030213-cvs.mpeg -acodec copy -vcodec copy -y
20030213-cvs.mpeg
The workaround is to pre-process the file first by mkvmerge into an
intermediate MKV file and then process the resulting intermediate MKV
file by BS1770GAIN
$ mkvmerge samples/20030213-cvs.mpeg -o samples/20030213-cvs.mkv
mkvmerge v8.0.0 ('Til The Day That I Die') 64bit
'samples/20030213-cvs.mpeg': Using the demultiplexer for the format 'MPEG
program stream'.
'samples/20030213-cvs.mpeg' track 0: Using the output module for the
format 'MPEG-1/2'.
'samples/20030213-cvs.mpeg' track 1: Using the output module for the
format 'MP3'.
The file 'samples/20030213-cvs.mkv' has been opened for writing.
Warning: 'samples/20030213-cvs.mpeg' track 1: This MPEG audio track
contains 279 bytes of non-MP3 data which were skipped. The audio/video
synchronization may have been lost.
Progress: 100%
The cue entries (the index) are being written...
Muxing took 1 second.
NOTE: Please observe the warning!
$ ./mingw32/bin/bs1770gain ./samples/20030213-cvs.mkv -ao norm
analyzing ...
[1/1] "20030213-cvs.mkv":
integrated: -34.7 LUFS / 11.7 LU
transcoding ...
[1/1] "20030213-cvs.mkv"
done.
Regards,
Peter Belkner
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