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m4a: aac in mp4 container (Closes #240)

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Philipp Hagemeister 2011-12-08 21:21:25 +01:00
parent 94fd3201b2
commit 3e0ea7d07a
1 changed files with 12 additions and 5 deletions
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17
youtube_dl/__init__.py
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@ -3968,8 +3968,13 @@ class FFmpegExtractAudioPP(PostProcessor):
return None return None
more_opts = [] more_opts = []
if self._preferredcodec == 'best' or self._preferredcodec == filecodec: if self._preferredcodec == 'best' or self._preferredcodec == filecodec or (self._preferredcodec == 'm4a' and filecodec == 'aac'):
if filecodec in ['aac', 'mp3', 'vorbis']: if self._preferredcodec == 'm4a' and filecodec == 'aac':
# Lossless, but in another container
acodec = 'copy'
extension = self._preferredcodec
more_opts = ['-absf', 'aac_adtstoasc']
elif filecodec in ['aac', 'mp3', 'vorbis']:
# Lossless if possible # Lossless if possible
acodec = 'copy' acodec = 'copy'
extension = filecodec extension = filecodec
@ -3986,13 +3991,15 @@ class FFmpegExtractAudioPP(PostProcessor):
more_opts += ['-ab', self._preferredquality] more_opts += ['-ab', self._preferredquality]
else: else:
# We convert the audio (lossy) # We convert the audio (lossy)
acodec = {'mp3': 'libmp3lame', 'aac': 'aac', 'vorbis': 'libvorbis'}[self._preferredcodec] acodec = {'mp3': 'libmp3lame', 'aac': 'aac', 'm4a': 'aac', 'vorbis': 'libvorbis'}[self._preferredcodec]
extension = self._preferredcodec extension = self._preferredcodec
more_opts = [] more_opts = []
if self._preferredquality is not None: if self._preferredquality is not None:
more_opts += ['-ab', self._preferredquality] more_opts += ['-ab', self._preferredquality]
if self._preferredcodec == 'aac': if self._preferredcodec == 'aac':
more_opts += ['-f', 'adts'] more_opts += ['-f', 'adts']
if self._preferredcodec == 'm4a':
more_opts += ['-absf', 'aac_adtstoasc']
if self._preferredcodec == 'vorbis': if self._preferredcodec == 'vorbis':
extension = 'ogg' extension = 'ogg'
@ -4239,7 +4246,7 @@ def parseOpts():
postproc.add_option('--extract-audio', action='store_true', dest='extractaudio', default=False, postproc.add_option('--extract-audio', action='store_true', dest='extractaudio', default=False,
help='convert video files to audio-only files (requires ffmpeg and ffprobe)') help='convert video files to audio-only files (requires ffmpeg and ffprobe)')
postproc.add_option('--audio-format', metavar='FORMAT', dest='audioformat', default='best', postproc.add_option('--audio-format', metavar='FORMAT', dest='audioformat', default='best',
help='"best", "aac", "vorbis" or "mp3"; best by default') help='"best", "aac", "vorbis", "mp3", or "m4a"; best by default')
postproc.add_option('--audio-quality', metavar='QUALITY', dest='audioquality', default='128K', postproc.add_option('--audio-quality', metavar='QUALITY', dest='audioquality', default='128K',
help='ffmpeg audio bitrate specification, 128k by default') help='ffmpeg audio bitrate specification, 128k by default')
postproc.add_option('-k', '--keep-video', action='store_true', dest='keepvideo', default=False, postproc.add_option('-k', '--keep-video', action='store_true', dest='keepvideo', default=False,
@ -4385,7 +4392,7 @@ def _real_main():
except (TypeError, ValueError), err: except (TypeError, ValueError), err:
parser.error(u'invalid playlist end number specified') parser.error(u'invalid playlist end number specified')
if opts.extractaudio: if opts.extractaudio:
if opts.audioformat not in ['best', 'aac', 'mp3', 'vorbis']: if opts.audioformat not in ['best', 'aac', 'mp3', 'vorbis', 'm4a']:
parser.error(u'invalid audio format specified') parser.error(u'invalid audio format specified')
# File downloader # File downloader