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Add support for vorbis files to --extract-audio

Add Ogg Vorbis as a file type when extracting the audio from a
file.  This can be the 'best' codec if the source clip is a webm
container.
This commit is contained in:
Richard Clamp 2011-09-21 17:29:25 +01:00
parent abb870d1ad
commit 58384838c3

View File

@ -3351,12 +3351,14 @@ class FFmpegExtractAudioPP(PostProcessor):
more_opts = []
if self._preferredcodec == 'best' or self._preferredcodec == filecodec:
if filecodec == 'aac' or filecodec == 'mp3':
if filecodec == 'aac' or filecodec == 'mp3' or filecodec == 'vorbis':
# Lossless if possible
acodec = 'copy'
extension = filecodec
if filecodec == 'aac':
more_opts = ['-f', 'adts']
if filecodec == 'vorbis':
extension = 'ogg'
else:
# MP3 otherwise.
acodec = 'libmp3lame'
@ -3366,13 +3368,15 @@ class FFmpegExtractAudioPP(PostProcessor):
more_opts += ['-ab', self._preferredquality]
else:
# We convert the audio (lossy)
acodec = {'mp3': 'libmp3lame', 'aac': 'aac'}[self._preferredcodec]
acodec = {'mp3': 'libmp3lame', 'aac': 'aac', 'vorbis': 'libvorbis'}[self._preferredcodec]
extension = self._preferredcodec
more_opts = []
if self._preferredquality is not None:
more_opts += ['-ab', self._preferredquality]
if self._preferredcodec == 'aac':
more_opts += ['-f', 'adts']
if self._preferredcodec == 'vorbis':
extension = 'ogg'
(prefix, ext) = os.path.splitext(path)
new_path = prefix + '.' + extension
@ -3600,7 +3604,7 @@ def parseOpts():
postproc.add_option('--extract-audio', action='store_true', dest='extractaudio', default=False,
help='convert video files to audio-only files (requires ffmpeg and ffprobe)')
postproc.add_option('--audio-format', metavar='FORMAT', dest='audioformat', default='best',
help='"best", "aac" or "mp3"; best by default')
help='"best", "aac", "vorbis" or "mp3"; best by default')
postproc.add_option('--audio-quality', metavar='QUALITY', dest='audioquality', default='128K',
help='ffmpeg audio bitrate specification, 128k by default')
postproc.add_option('-k', '--keep-video', action='store_true', dest='keepvideo', default=False,
@ -3734,7 +3738,7 @@ def main():
except (TypeError, ValueError), err:
parser.error(u'invalid playlist end number specified')
if opts.extractaudio:
if opts.audioformat not in ['best', 'aac', 'mp3']:
if opts.audioformat not in ['best', 'aac', 'mp3', 'vorbis']:
parser.error(u'invalid audio format specified')
# File downloader