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https://github.com/ytdl-org/youtube-dl
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tweaked the --audio-quality input validation/specification
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@ -91,8 +91,8 @@ which means you can modify it, redistribute it or use it however you like.
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--audio-format FORMAT "best", "aac", "vorbis", "mp3", "m4a", or "wav";
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best by default
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--audio-quality QUALITY ffmpeg/avconv audio quality specification, insert a
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value between 0 (highest) and 9 (lowest) or a
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specific bitrate like 128 (default 5)
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value between 0 (better) and 9 (worse) for VBR or a
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specific bitrate like 128K (default 5)
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-k, --keep-video keeps the video file on disk after the post-
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processing; the video is erased by default
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@ -297,7 +297,7 @@ def parseOpts():
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postproc.add_option('--audio-format', metavar='FORMAT', dest='audioformat', default='best',
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help='"best", "aac", "vorbis", "mp3", "m4a", or "wav"; best by default')
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postproc.add_option('--audio-quality', metavar='QUALITY', dest='audioquality', default='5',
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help='ffmpeg/avconv audio quality specification, insert a value between 0 (highest) and 9 (lowest) or a specific bitrate like 128 (default 5)')
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help='ffmpeg/avconv audio quality specification, insert a value between 0 (better) and 9 (worse) for VBR or a specific bitrate like 128K (default 5)')
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postproc.add_option('-k', '--keep-video', action='store_true', dest='keepvideo', default=False,
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help='keeps the video file on disk after the post-processing; the video is erased by default')
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@ -443,6 +443,10 @@ def _real_main():
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if opts.extractaudio:
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if opts.audioformat not in ['best', 'aac', 'mp3', 'vorbis', 'm4a', 'wav']:
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parser.error(u'invalid audio format specified')
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if opts.audioquality:
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opts.audioquality = opts.audioquality.strip('k').strip('K')
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if not opts.audioquality.isdigit():
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parser.error(u'invalid audio quality specified')
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# File downloader
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fd = FileDownloader({
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