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[postprocessor/ffmpeg] Add support for flac

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Requested at http://stackoverflow.com/q/42828041/35070
This commit is contained in:
Philipp Hagemeister 2017-03-16 12:50:45 +01:00
parent b51dc9db0e
commit 21bfcd3d6e
2 changed files with 23 additions and 13 deletions
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2
youtube_dl/__init__.py
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@ -196,7 +196,7 @@ def _real_main(argv=None):
if opts.playlistend not in (-1, None) and opts.playlistend < opts.playliststart: if opts.playlistend not in (-1, None) and opts.playlistend < opts.playliststart:
raise ValueError('Playlist end must be greater than playlist start') raise ValueError('Playlist end must be greater than playlist start')
if opts.extractaudio: if opts.extractaudio:
if opts.audioformat not in ['best', 'aac', 'mp3', 'm4a', 'opus', 'vorbis', 'wav']: if opts.audioformat not in ['best', 'aac', 'flac', 'mp3', 'm4a', 'opus', 'vorbis', 'wav']:
parser.error('invalid audio format specified') parser.error('invalid audio format specified')
if opts.audioquality: if opts.audioquality:
opts.audioquality = opts.audioquality.strip('k').strip('K') opts.audioquality = opts.audioquality.strip('k').strip('K')

34
youtube_dl/postprocessor/ffmpeg.py
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@ -26,15 +26,25 @@ from ..utils import (
EXT_TO_OUT_FORMATS = { EXT_TO_OUT_FORMATS = {
"aac": "adts", 'aac': 'adts',
"m4a": "ipod", 'flac': 'flac',
"mka": "matroska", 'm4a': 'ipod',
"mkv": "matroska", 'mka': 'matroska',
"mpg": "mpeg", 'mkv': 'matroska',
"ogv": "ogg", 'mpg': 'mpeg',
"ts": "mpegts", 'ogv': 'ogg',
"wma": "asf", 'ts': 'mpegts',
"wmv": "asf", 'wma': 'asf',
'wmv': 'asf',
}
ACODECS = {
'mp3': 'libmp3lame',
'aac': 'aac',
'flac': 'flac',
'm4a': 'aac',
'opus': 'opus',
'vorbis': 'libvorbis',
'wav': None,
} }
@ -237,7 +247,7 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
acodec = 'copy' acodec = 'copy'
extension = 'm4a' extension = 'm4a'
more_opts = ['-bsf:a', 'aac_adtstoasc'] more_opts = ['-bsf:a', 'aac_adtstoasc']
elif filecodec in ['aac', 'mp3', 'vorbis', 'opus']: elif filecodec in ['aac', 'flac', 'mp3', 'vorbis', 'opus']:
# Lossless if possible # Lossless if possible
acodec = 'copy' acodec = 'copy'
extension = filecodec extension = filecodec
@ -256,8 +266,8 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
else: else:
more_opts += ['-b:a', self._preferredquality + 'k'] more_opts += ['-b:a', self._preferredquality + 'k']
else: else:
# We convert the audio (lossy) # We convert the audio (lossy if codec is lossy)
acodec = {'mp3': 'libmp3lame', 'aac': 'aac', 'm4a': 'aac', 'opus': 'opus', 'vorbis': 'libvorbis', 'wav': None}[self._preferredcodec] acodec = ACODECS[self._preferredcodec]
extension = self._preferredcodec extension = self._preferredcodec
more_opts = [] more_opts = []
if self._preferredquality is not None: if self._preferredquality is not None: