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Merge remote-tracking branch 'origin/prefer-ffmpeg'

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This commit is contained in:
Philipp Hagemeister 2014-01-08 18:32:06 +01:00
commit 35aa7098cd
3 changed files with 29 additions and 12 deletions
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4
youtube_dl/YoutubeDL.py
View File

@ -156,6 +156,10 @@ class YoutubeDL(object):
the FileDownloader:
nopart, updatetime, buffersize, ratelimit, min_filesize, max_filesize, test,
noresizebuffer, retries, continuedl, noprogress, consoletitle
The following options are used by the post processors:
prefer_ffmpeg: If True, use ffmpeg instead of avconv if both are available,
otherwise prefer avconv.
"""
params = None

5
youtube_dl/__init__.py
View File

@ -424,6 +424,10 @@ def _hide_login_info(opts):
help='write metadata to the video file')
postproc.add_option('--xattrs', action='store_true', dest='xattrs', default=False,
help='write metadata to the video file\'s xattrs (using dublin core and xdg standards)')
postproc.add_option('--prefer-avconv', action='store_false', dest='prefer_ffmpeg',
help='Prefer avconv over ffmpeg for running the postprocessors (default)')
postproc.add_option('--prefer-ffmpeg', action='store_true', dest='prefer_ffmpeg',
help='Prefer ffmpeg over avconv for running the postprocessors')
parser.add_option_group(general)
@ -709,6 +713,7 @@ def _real_main(argv=None):
'socket_timeout': opts.socket_timeout,
'bidi_workaround': opts.bidi_workaround,
'debug_printtraffic': opts.debug_printtraffic,
'prefer_ffmpeg': opts.prefer_ffmpeg,
}
with YoutubeDL(ydl_opts) as ydl:

32
youtube_dl/postprocessor/ffmpeg.py
View File

@ -31,14 +31,23 @@ def detect_executables():
programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe']
return dict((program, check_executable(program, ['-version'])) for program in programs)
def _get_executable(self):
if self._downloader.params.get('prefer_ffmpeg', False):
return self._exes['ffmpeg'] or self._exes['avconv']
else:
return self._exes['avconv'] or self._exes['ffmpeg']
def _uses_avconv(self):
return self._get_executable() == self._exes['avconv']
def run_ffmpeg_multiple_files(self, input_paths, out_path, opts):
if not self._exes['ffmpeg'] and not self._exes['avconv']:
if not self._get_executable():
raise FFmpegPostProcessorError(u'ffmpeg or avconv not found. Please install one.')
files_cmd = []
for path in input_paths:
files_cmd.extend(['-i', encodeFilename(path, True)])
cmd = ([self._exes['avconv'] or self._exes['ffmpeg'], '-y'] + files_cmd
cmd = ([self._get_executable(), '-y'] + files_cmd
+ opts +
[encodeFilename(self._ffmpeg_filename_argument(out_path), True)])
@ -93,8 +102,6 @@ def get_audio_codec(self, path):
return None
def run_ffmpeg(self, path, out_path, codec, more_opts):
if not self._exes['ffmpeg'] and not self._exes['avconv']:
raise AudioConversionError('ffmpeg or avconv not found. Please install one.')
if codec is None:
acodec_opts = []
else:
@ -112,13 +119,14 @@ def run(self, information):
if filecodec is None:
raise PostProcessingError(u'WARNING: unable to obtain file audio codec with ffprobe')
uses_avconv = self._uses_avconv()
more_opts = []
if self._preferredcodec == 'best' or self._preferredcodec == filecodec or (self._preferredcodec == 'm4a' and filecodec == 'aac'):
if filecodec == 'aac' and self._preferredcodec in ['m4a', 'best']:
# Lossless, but in another container
acodec = 'copy'
extension = 'm4a'
more_opts = [self._exes['avconv'] and '-bsf:a' or '-absf', 'aac_adtstoasc']
more_opts = ['-bsf:a' if uses_avconv else '-absf', 'aac_adtstoasc']
elif filecodec in ['aac', 'mp3', 'vorbis', 'opus']:
# Lossless if possible
acodec = 'copy'
@ -134,9 +142,9 @@ def run(self, information):
more_opts = []
if self._preferredquality is not None:
if int(self._preferredquality) < 10:
more_opts += [self._exes['avconv'] and '-q:a' or '-aq', self._preferredquality]
more_opts += ['-q:a' if uses_avconv else '-aq', self._preferredquality]
else:
more_opts += [self._exes['avconv'] and '-b:a' or '-ab', self._preferredquality + 'k']
more_opts += ['-b:a' if uses_avconv else '-ab', self._preferredquality + 'k']
else:
# We convert the audio (lossy)
acodec = {'mp3': 'libmp3lame', 'aac': 'aac', 'm4a': 'aac', 'opus': 'opus', 'vorbis': 'libvorbis', 'wav': None}[self._preferredcodec]
@ -145,13 +153,13 @@ def run(self, information):
if self._preferredquality is not None:
# The opus codec doesn't support the -aq option
if int(self._preferredquality) < 10 and extension != 'opus':
more_opts += [self._exes['avconv'] and '-q:a' or '-aq', self._preferredquality]
more_opts += ['-q:a' if uses_avconv else '-aq', self._preferredquality]
else:
more_opts += [self._exes['avconv'] and '-b:a' or '-ab', self._preferredquality + 'k']
more_opts += ['-b:a' if uses_avconv else '-ab', self._preferredquality + 'k']
if self._preferredcodec == 'aac':
more_opts += ['-f', 'adts']
if self._preferredcodec == 'm4a':
more_opts += [self._exes['avconv'] and '-bsf:a' or '-absf', 'aac_adtstoasc']
more_opts += ['-bsf:a' if uses_avconv else '-absf', 'aac_adtstoasc']
if self._preferredcodec == 'vorbis':
extension = 'ogg'
if self._preferredcodec == 'wav':
@ -169,14 +177,14 @@ def run(self, information):
if self._nopostoverwrites and os.path.exists(encodeFilename(new_path)):
self._downloader.to_screen(u'[youtube] Post-process file %s exists, skipping' % new_path)
else:
self._downloader.to_screen(u'[' + (self._exes['avconv'] and 'avconv' or 'ffmpeg') + '] Destination: ' + new_path)
self._downloader.to_screen(u'[' + self._get_executable() + '] Destination: ' + new_path)
self.run_ffmpeg(path, new_path, acodec, more_opts)
except:
etype,e,tb = sys.exc_info()
if isinstance(e, AudioConversionError):
msg = u'audio conversion failed: ' + e.msg
else:
msg = u'error running ' + (self._exes['avconv'] and 'avconv' or 'ffmpeg')
msg = u'error running ' + self._get_executable()
raise PostProcessingError(msg)
# Try to update the date time for extracted audio file.