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base: exu:89b618a502f6201a9ca70c90e09f66ac7f520bb4
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exu:main
exu:implement-pyloudnorm
exu:rewrite-in-python
exu:nixos-experimental
exu:easyffmpeg-improvements
exu:arch-wayland2
exu:arch-wayland
exu:arch-emacs-markdown-rendering
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compare: exu:c50b87fb7c49eeff0ba3fdf2b1f8fca8c03a0a53
Branches Tags
exu:main
exu:implement-pyloudnorm
exu:rewrite-in-python
exu:nixos-experimental
exu:easyffmpeg-improvements
exu:arch-wayland2
exu:arch-wayland
exu:arch-emacs-markdown-rendering

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music-normalize/main.py
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@ -61,7 +61,7 @@ def loudnorm(inputfile: str, outputfile: str):
# normalize audio # normalize audio
file_normalized = pyloudnorm.normalize.loudness( file_normalized = pyloudnorm.normalize.loudness(
data=data, input_loudness=loudness, target_loudness=-18.0 data=data, input_loudness=loudness, target_loudness=-30.0
) )
# write normalized audio to file # write normalized audio to file
@ -128,16 +128,8 @@ def ffmpeg_copy_metadata(inputfile: str, outputfile: str):
with tempfile.NamedTemporaryFile() as temp_audio: with tempfile.NamedTemporaryFile() as temp_audio:
shutil.copyfile(outputfile, temp_audio.name) shutil.copyfile(outputfile, temp_audio.name)
# get input file extension
extension = os.path.splitext(os.path.basename(inputfile))[1]
inputcmd = {inputfile: None, temp_audio.name: None} inputcmd = {inputfile: None, temp_audio.name: None}
outputcmd = {outputfile: "-map 1 -c copy -map_metadata 0"}
# NOTE opus maps metadata to the first audio stream. Other formats like flac, mp3 and m4a/aac by contrast map it to the input directly
if extension == ".opus":
outputcmd = {outputfile: "-map 1 -c copy -map_metadata 0:s"}
else:
outputcmd = {outputfile: "-map 1 -c copy -map_metadata 0"}
ff = ffmpy.FFmpeg(inputs=inputcmd, outputs=outputcmd, global_options=("-y")) ff = ffmpy.FFmpeg(inputs=inputcmd, outputs=outputcmd, global_options=("-y"))