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changed --audio-quality behaviour to support both CBR and VBR

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This commit is contained in:
Filippo Valsorda 2012-07-14 19:43:24 +02:00
parent cca4828ac9
commit b24676ce88
4 changed files with 13 additions and 6 deletions
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10
youtube_dl/PostProcessor.py
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@ -142,14 +142,20 @@ class FFmpegExtractAudioPP(PostProcessor):
extension = 'mp3'
more_opts = []
if self._preferredquality is not None:
more_opts += [self._exes['avconv'] and '-b:a' or '-ab', self._preferredquality]
if int(self._preferredquality) < 10:
more_opts += [self._exes['avconv'] and '-q:a' or '-aq', self._preferredquality]
else:
more_opts += [self._exes['avconv'] and '-b:a' or '-ab', self._preferredquality]
else:
# We convert the audio (lossy)
acodec = {'mp3': 'libmp3lame', 'aac': 'aac', 'm4a': 'aac', 'vorbis': 'libvorbis', 'wav': None}[self._preferredcodec]
extension = self._preferredcodec
more_opts = []
if self._preferredquality is not None:
more_opts += [self._exes['avconv'] and '-b:a' or '-ab', self._preferredquality]
if int(self._preferredquality) < 10:
more_opts += [self._exes['avconv'] and '-q:a' or '-aq', self._preferredquality]
else:
more_opts += [self._exes['avconv'] and '-b:a' or '-ab', self._preferredquality]
if self._preferredcodec == 'aac':
more_opts += ['-f', 'adts']
if self._preferredcodec == 'm4a':