118 lines
No EOL
3 KiB
Python
118 lines
No EOL
3 KiB
Python
import ffmpeg, json
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from os.path import splitext as splitpath
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from gooey import Gooey
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from gooey import GooeyParser
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codec_list = \
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[
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'aac',
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'ac3',
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'libopencore_amrnb',
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'libvo_amrwbenc',
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'eac3',
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'g723_1',
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'mp2',
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'mp3',
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'libopus',
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'real_144',
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'speex',
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'libvorbis',
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]
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bitrate_lower_limit = \
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{
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'aac': 4,
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'ac3': 4,
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'libopencore_amrnb': 4,
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'libvo_amrwbenc': 4,
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'eac3': 4,
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'g723_1': 6.3,
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'mp2': 32,
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'mp3': 4,
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'libopus': 4,
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'real_144': 8,
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'speex': 4,
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'libvorbis': 48,
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}
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output_fmt = \
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{
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'aac': 'nut',
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'ac3': 'nut',
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'libopencore_amrnb': 'nut',
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'libvo_amrwbenc': 'nut',
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'eac3': 'nut',
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'g723_1': 'nut',
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'mp2': 'nut',
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'mp3': 'nut',
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'libopus': 'nut',
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'real_144': 'rm',
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'speex': 'nut',
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'libvorbis': 'nut',
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}
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required_opts = \
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{
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'libopencore_amrnb': {'ar':'8k','ac':1},
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'libvo_amrwbenc': {'ar':'16k','ac':1},
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'g723_1': {'ar':'8k','ac':1}
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}
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args = None
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@Gooey
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def main():
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parser = GooeyParser(description="Lossy Sound Destroyer")
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parser.add_argument('filepath', type=str, help='the input file', widget='FileChooser')
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parser.add_argument('codec', type=str, help='the name of the codec to use', choices=codec_list)
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parser.add_argument('bitrate', type=int, help='the desired bitrate (not guaranteed), usually between 4-320kbps')
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parser.add_argument('quality', type=int, help='usually from 0-51 (best-worst), only works on some codecs')
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parser.add_argument('glitch', type=int, help='amount to glitch (1 is a lot, 10000 is not, 0 is none)')
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args = parser.parse_args()
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doRoundtrip(args.filepath, args.codec, args.bitrate, args.quality, args.glitch)
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def doRoundtrip(filepath, codec, bitrate, qual, glitch):
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bitrate = bitrate if (bitrate >= bitrate_lower_limit[codec]) else bitrate_lower_limit[codec]
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fmt = output_fmt[codec]
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extraopts = None
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if (codec in required_opts):
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extraopts = required_opts[codec]
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try:
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if extraopts is not None:
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encoded, _ = (
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ffmpeg
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.input(filepath)
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.output('pipe:',q=qual,format=fmt,acodec=codec,audio_bitrate=str(bitrate)+'k',**{'bsf': f"noise={glitch}"},**extraopts)
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.global_args('-hide_banner','-loglevel','error')
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.run(capture_stdout=True)
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)
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else:
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encoded, _ = (
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ffmpeg
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.input(filepath)
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.output('pipe:',format=fmt,acodec=codec,audio_bitrate=str(bitrate)+'k',**{'bsf': f"noise={glitch}"})
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.global_args('-hide_banner','-loglevel','error')
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.run(capture_stdout=True)
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)
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except ffmpeg.Error as e:
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if e.stderr is not None:
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print(e.stderr)
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return
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newfilepath = splitpath(filepath)[0] + "_" + codec + "_" + str(bitrate) + "k_q" + str(qual) + "_" + str(glitch) + ".wav"
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decoded, _ = (
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ffmpeg
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.input('pipe:')
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.output(newfilepath)
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.global_args('-hide_banner','-loglevel','0','-y')
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.run(input=encoded, capture_stdout=True)
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)
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if __name__ == '__main__':
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main() |