import os
import subprocess
import time
+import re
from .common import AudioConversionError, PostProcessor
subtitles_filename,
dfxp2srt,
ISO639Utils,
+ replace_extension,
)
EXT_TO_OUT_FORMATS = {
- "aac": "adts",
- "m4a": "ipod",
- "mka": "matroska",
- "mkv": "matroska",
- "mpg": "mpeg",
- "ogv": "ogg",
- "ts": "mpegts",
- "wma": "asf",
- "wmv": "asf",
+ 'aac': 'adts',
+ 'flac': 'flac',
+ 'm4a': 'ipod',
+ 'mka': 'matroska',
+ 'mkv': 'matroska',
+ 'mpg': 'mpeg',
+ 'ogv': 'ogg',
+ 'ts': 'mpegts',
+ 'wma': 'asf',
+ 'wmv': 'asf',
+}
+ACODECS = {
+ 'mp3': 'libmp3lame',
+ 'aac': 'aac',
+ 'flac': 'flac',
+ 'm4a': 'aac',
+ 'opus': 'libopus',
+ 'vorbis': 'libvorbis',
+ 'wav': None,
}
def _determine_executables(self):
programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe']
- prefer_ffmpeg = False
+ prefer_ffmpeg = True
+
+ def get_ffmpeg_version(path):
+ ver = get_exe_version(path, args=['-version'])
+ if ver:
+ regexs = [
+ r'(?:\d+:)?([0-9.]+)-[0-9]+ubuntu[0-9.]+$', # Ubuntu, see [1]
+ r'n([0-9.]+)$', # Arch Linux
+ # 1. http://www.ducea.com/2006/06/17/ubuntu-package-version-naming-explanation/
+ ]
+ for regex in regexs:
+ mobj = re.match(regex, ver)
+ if mobj:
+ ver = mobj.group(1)
+ return ver
self.basename = None
self.probe_basename = None
self._paths = None
self._versions = None
if self._downloader:
- prefer_ffmpeg = self._downloader.params.get('prefer_ffmpeg', False)
+ prefer_ffmpeg = self._downloader.params.get('prefer_ffmpeg', True)
location = self._downloader.params.get('ffmpeg_location')
if location is not None:
if not os.path.exists(location):
self._paths = dict(
(p, os.path.join(location, p)) for p in programs)
self._versions = dict(
- (p, get_exe_version(self._paths[p], args=['-version']))
- for p in programs)
+ (p, get_ffmpeg_version(self._paths[p])) for p in programs)
if self._versions is None:
self._versions = dict(
- (p, get_exe_version(p, args=['-version'])) for p in programs)
+ (p, get_ffmpeg_version(p)) for p in programs)
self._paths = dict((p, p) for p in programs)
- if prefer_ffmpeg:
- prefs = ('ffmpeg', 'avconv')
- else:
+ if prefer_ffmpeg is False:
prefs = ('avconv', 'ffmpeg')
+ else:
+ prefs = ('ffmpeg', 'avconv')
for p in prefs:
if self._versions[p]:
self.basename = p
break
- if prefer_ffmpeg:
- prefs = ('ffprobe', 'avprobe')
- else:
+ if prefer_ffmpeg is False:
prefs = ('avprobe', 'ffprobe')
+ else:
+ prefs = ('ffprobe', 'avprobe')
for p in prefs:
if self._versions[p]:
self.probe_basename = p
acodec = 'copy'
extension = 'm4a'
more_opts = ['-bsf:a', 'aac_adtstoasc']
- elif filecodec in ['aac', 'mp3', 'vorbis', 'opus']:
+ elif filecodec in ['aac', 'flac', 'mp3', 'vorbis', 'opus']:
# Lossless if possible
acodec = 'copy'
extension = filecodec
else:
more_opts += ['-b:a', self._preferredquality + 'k']
else:
- # We convert the audio (lossy)
- acodec = {'mp3': 'libmp3lame', 'aac': 'aac', 'm4a': 'aac', 'opus': 'opus', 'vorbis': 'libvorbis', 'wav': None}[self._preferredcodec]
+ # We convert the audio (lossy if codec is lossy)
+ acodec = ACODECS[self._preferredcodec]
extension = self._preferredcodec
more_opts = []
if self._preferredquality is not None:
opts += ['-c:s', 'mov_text']
for (i, lang) in enumerate(sub_langs):
opts.extend(['-map', '%d:0' % (i + 1)])
- lang_code = ISO639Utils.short2long(lang)
- if lang_code is not None:
- opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code])
+ lang_code = ISO639Utils.short2long(lang) or lang
+ opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code])
temp_filename = prepend_extension(filename, 'temp')
self._downloader.to_screen('[ffmpeg] Embedding subtitles in \'%s\'' % filename)
filename = info['filepath']
temp_filename = prepend_extension(filename, 'temp')
+ in_filenames = [filename]
+ options = []
if info['ext'] == 'm4a':
- options = ['-vn', '-acodec', 'copy']
+ options.extend(['-vn', '-acodec', 'copy'])
else:
- options = ['-c', 'copy']
+ options.extend(['-c', 'copy'])
for (name, value) in metadata.items():
options.extend(['-metadata', '%s=%s' % (name, value)])
+ chapters = info.get('chapters', [])
+ if chapters:
+ metadata_filename = replace_extension(filename, 'meta')
+ with io.open(metadata_filename, 'wt', encoding='utf-8') as f:
+ def ffmpeg_escape(text):
+ return re.sub(r'(=|;|#|\\|\n)', r'\\\1', text)
+
+ metadata_file_content = ';FFMETADATA1\n'
+ for chapter in chapters:
+ metadata_file_content += '[CHAPTER]\nTIMEBASE=1/1000\n'
+ metadata_file_content += 'START=%d\n' % (chapter['start_time'] * 1000)
+ metadata_file_content += 'END=%d\n' % (chapter['end_time'] * 1000)
+ chapter_title = chapter.get('title')
+ if chapter_title:
+ metadata_file_content += 'title=%s\n' % ffmpeg_escape(chapter_title)
+ f.write(metadata_file_content)
+ in_filenames.append(metadata_filename)
+ options.extend(['-map_metadata', '1'])
+
self._downloader.to_screen('[ffmpeg] Adding metadata to \'%s\'' % filename)
- self.run_ffmpeg(filename, temp_filename, options)
+ self.run_ffmpeg_multiple_files(in_filenames, temp_filename, options)
+ if chapters:
+ os.remove(metadata_filename)
os.remove(encodeFilename(filename))
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
return [], info
temp_filename = prepend_extension(filename, 'temp')
options = ['-c', 'copy', '-f', 'mp4', '-bsf:a', 'aac_adtstoasc']
- self._downloader.to_screen('[ffmpeg] Fixing malformated aac bitstream in "%s"' % filename)
+ self._downloader.to_screen('[ffmpeg] Fixing malformed AAC bitstream in "%s"' % filename)
self.run_ffmpeg(filename, temp_filename, options)
os.remove(encodeFilename(filename))
sub_filenames.append(old_file)
new_file = subtitles_filename(filename, lang, new_ext)
- if ext == 'dfxp' or ext == 'ttml' or ext == 'tt':
+ if ext in ('dfxp', 'ttml', 'tt'):
self._downloader.report_warning(
'You have requested to convert dfxp (TTML) subtitles into another format, '
'which results in style information loss')
dfxp_file = old_file
srt_file = subtitles_filename(filename, lang, 'srt')
- with io.open(dfxp_file, 'rt', encoding='utf-8') as f:
+ with open(dfxp_file, 'rb') as f:
srt_data = dfxp2srt(f.read())
with io.open(srt_file, 'wt', encoding='utf-8') as f:
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