Convert function
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@ -34,10 +34,11 @@ ffmpeg -i $FILE -c:v libx264 -b:v 4000k -pass 2 -filter:a loudnorm=linear=true:m
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inputfile = (
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'/home/marc/Downloads/FalKKonE - 01 Aria (From "Berserk: The Golden Age Arc").flac'
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)
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inputfile = "/home/marc/Downloads/test441.opus"
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# inputfile = "/home/marc/Downloads/test441.opus"
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outputfile = "/home/marc/Downloads/test441_out.opus"
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def get_format(inputfile):
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def get_format(inputfile) -> str:
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# get codec format
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# https://stackoverflow.com/a/29610897
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# this shows the codecs of all audio streams present in the file, which shouldn't matter unless you have more than one stream
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@ -93,10 +94,34 @@ def loudness_info(inputfile) -> dict[str, str]:
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return loudness
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def convert():
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# ff = ffmpy.FFmpeg()
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pass
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def convert(inputfile, outputfile, loudness):
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ff = ffmpy.FFmpeg(
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inputs={inputfile: None},
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outputs={
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outputfile: "-pass 2"
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" "
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"-filter:a"
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" "
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"loudnorm=I=-30.0:"
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"measured_I={input_i}:"
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"measured_LRA={input_lra}:"
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"measured_tp={input_tp}:measured_thresh={input_thresh}:"
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"print_format=json"
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" "
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"-c:a libopus"
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" "
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"-b:a 320k".format(
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input_i=loudness["input_i"],
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input_lra=loudness["input_lra"],
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input_tp=loudness["input_tp"],
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input_thresh=loudness["input_thresh"],
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)
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},
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)
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print(ff.cmd)
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ff.run()
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if __name__ == "__main__":
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loudness = loudness_info(inputfile=inputfile)
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convert(inputfile=inputfile, outputfile=outputfile, loudness=loudness)
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