+from __future__ import unicode_literals
+
import os
import subprocess
import sys
from .common import AudioConversionError, PostProcessor
-from ..utils import (
- check_executable,
+from ..compat import (
compat_subprocess_get_DEVNULL,
+)
+from ..utils import (
+ encodeArgument,
encodeFilename,
+ get_exe_version,
+ is_outdated_version,
PostProcessingError,
prepend_extension,
shell_quote,
)
-
class FFmpegPostProcessorError(PostProcessingError):
pass
+
class FFmpegPostProcessor(PostProcessor):
- def __init__(self,downloader=None):
+ def __init__(self, downloader=None, deletetempfiles=False):
PostProcessor.__init__(self, downloader)
- self._exes = self.detect_executables()
+ self._versions = self.get_versions()
+ self._deletetempfiles = deletetempfiles
+
+ def check_version(self):
+ if not self._executable:
+ raise FFmpegPostProcessorError('ffmpeg or avconv not found. Please install one.')
+
+ required_version = '10-0' if self._uses_avconv() else '1.0'
+ if is_outdated_version(
+ self._versions[self._executable], required_version):
+ warning = 'Your copy of %s is outdated, update %s to version %s or newer if you encounter any errors.' % (
+ self._executable, self._executable, required_version)
+ if self._downloader:
+ self._downloader.report_warning(warning)
@staticmethod
- def detect_executables():
+ def get_versions():
programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe']
- return dict((program, check_executable(program, ['-version'])) for program in programs)
+ return dict((p, get_exe_version(p, args=['-version'])) for p in programs)
- def _get_executable(self):
+ @property
+ def available(self):
+ return self._executable is not None
+
+ @property
+ def _executable(self):
if self._downloader.params.get('prefer_ffmpeg', False):
- return self._exes['ffmpeg'] or self._exes['avconv']
+ prefs = ('ffmpeg', 'avconv')
else:
- return self._exes['avconv'] or self._exes['ffmpeg']
+ prefs = ('avconv', 'ffmpeg')
+ for p in prefs:
+ if self._versions[p]:
+ return p
+ return None
+
+ @property
+ def _probe_executable(self):
+ if self._downloader.params.get('prefer_ffmpeg', False):
+ prefs = ('ffprobe', 'avprobe')
+ else:
+ prefs = ('avprobe', 'ffprobe')
+ for p in prefs:
+ if self._versions[p]:
+ return p
+ return None
def _uses_avconv(self):
- return self._get_executable() == self._exes['avconv']
+ return self._executable == 'avconv'
def run_ffmpeg_multiple_files(self, input_paths, out_path, opts):
- if not self._get_executable():
- raise FFmpegPostProcessorError(u'ffmpeg or avconv not found. Please install one.')
+ self.check_version()
+
+ oldest_mtime = min(
+ os.stat(encodeFilename(path)).st_mtime for path in input_paths)
files_cmd = []
for path in input_paths:
- files_cmd.extend(['-i', encodeFilename(path, True)])
- cmd = ([self._get_executable(), '-y'] + files_cmd
- + opts +
+ files_cmd.extend([encodeArgument('-i'), encodeFilename(path, True)])
+ cmd = ([encodeFilename(self._executable, True), encodeArgument('-y')] +
+ files_cmd +
+ [encodeArgument(o) for o in opts] +
[encodeFilename(self._ffmpeg_filename_argument(out_path), True)])
if self._downloader.params.get('verbose', False):
- self._downloader.to_screen(u'[debug] ffmpeg command line: %s' % shell_quote(cmd))
+ self._downloader.to_screen('[debug] ffmpeg command line: %s' % shell_quote(cmd))
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
- stdout,stderr = p.communicate()
+ stdout, stderr = p.communicate()
if p.returncode != 0:
stderr = stderr.decode('utf-8', 'replace')
msg = stderr.strip().split('\n')[-1]
raise FFmpegPostProcessorError(msg)
+ os.utime(encodeFilename(out_path), (oldest_mtime, oldest_mtime))
+ if self._deletetempfiles:
+ for ipath in input_paths:
+ os.remove(ipath)
def run_ffmpeg(self, path, out_path, opts):
self.run_ffmpeg_multiple_files([path], out_path, opts)
def _ffmpeg_filename_argument(self, fn):
# ffmpeg broke --, see https://ffmpeg.org/trac/ffmpeg/ticket/2127 for details
- if fn.startswith(u'-'):
- return u'./' + fn
+ if fn.startswith('-'):
+ return './' + fn
return fn
self._nopostoverwrites = nopostoverwrites
def get_audio_codec(self, path):
- if not self._exes['ffprobe'] and not self._exes['avprobe']:
- raise PostProcessingError(u'ffprobe or avprobe not found. Please install one.')
+
+ if not self._probe_executable:
+ raise PostProcessingError('ffprobe or avprobe not found. Please install one.')
try:
cmd = [
- self._exes['avprobe'] or self._exes['ffprobe'],
- '-show_streams',
+ encodeFilename(self._probe_executable, True),
+ encodeArgument('-show_streams'),
encodeFilename(self._ffmpeg_filename_argument(path), True)]
handle = subprocess.Popen(cmd, stderr=compat_subprocess_get_DEVNULL(), stdout=subprocess.PIPE)
output = handle.communicate()[0]
filecodec = self.get_audio_codec(path)
if filecodec is None:
- raise PostProcessingError(u'WARNING: unable to obtain file audio codec with ffprobe')
+ raise PostProcessingError('WARNING: unable to obtain file audio codec with ffprobe')
uses_avconv = self._uses_avconv()
more_opts = []
extension = 'wav'
more_opts += ['-f', 'wav']
- prefix, sep, ext = path.rpartition(u'.') # not os.path.splitext, since the latter does not work on unicode in all setups
+ prefix, sep, ext = path.rpartition('.') # not os.path.splitext, since the latter does not work on unicode in all setups
new_path = prefix + sep + extension
# If we download foo.mp3 and convert it to... foo.mp3, then don't delete foo.mp3, silly.
try:
if self._nopostoverwrites and os.path.exists(encodeFilename(new_path)):
- self._downloader.to_screen(u'[youtube] Post-process file %s exists, skipping' % new_path)
+ self._downloader.to_screen('[youtube] Post-process file %s exists, skipping' % new_path)
else:
- self._downloader.to_screen(u'[' + self._get_executable() + '] Destination: ' + new_path)
+ self._downloader.to_screen('[' + self._executable + '] Destination: ' + new_path)
self.run_ffmpeg(path, new_path, acodec, more_opts)
except:
- etype,e,tb = sys.exc_info()
+ etype, e, tb = sys.exc_info()
if isinstance(e, AudioConversionError):
- msg = u'audio conversion failed: ' + e.msg
+ msg = 'audio conversion failed: ' + e.msg
else:
- msg = u'error running ' + self._get_executable()
+ msg = 'error running ' + self._executable
raise PostProcessingError(msg)
# Try to update the date time for extracted audio file.
try:
os.utime(encodeFilename(new_path), (time.time(), information['filetime']))
except:
- self._downloader.report_warning(u'Cannot update utime of audio file')
+ self._downloader.report_warning('Cannot update utime of audio file')
information['filepath'] = new_path
- return self._nopostoverwrites,information
+ return self._nopostoverwrites, information
-class FFmpegVideoConvertor(FFmpegPostProcessor):
- def __init__(self, downloader=None,preferedformat=None):
- super(FFmpegVideoConvertor, self).__init__(downloader)
- self._preferedformat=preferedformat
+class FFmpegVideoConvertorPP(FFmpegPostProcessor):
+ def __init__(self, downloader=None, preferedformat=None):
+ super(FFmpegVideoConvertorPP, self).__init__(downloader)
+ self._preferedformat = preferedformat
def run(self, information):
path = information['filepath']
- prefix, sep, ext = path.rpartition(u'.')
+ prefix, sep, ext = path.rpartition('.')
outpath = prefix + sep + self._preferedformat
if information['ext'] == self._preferedformat:
- self._downloader.to_screen(u'[ffmpeg] Not converting video file %s - already is in target format %s' % (path, self._preferedformat))
- return True,information
- self._downloader.to_screen(u'['+'ffmpeg'+'] Converting video from %s to %s, Destination: ' % (information['ext'], self._preferedformat) +outpath)
+ self._downloader.to_screen('[ffmpeg] Not converting video file %s - already is in target format %s' % (path, self._preferedformat))
+ return True, information
+ self._downloader.to_screen('[' + 'ffmpeg' + '] Converting video from %s to %s, Destination: ' % (information['ext'], self._preferedformat) + outpath)
self.run_ffmpeg(path, outpath, [])
information['filepath'] = outpath
information['format'] = self._preferedformat
information['ext'] = self._preferedformat
- return False,information
+ return False, information
class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
return cls._lang_map.get(code[:2])
def run(self, information):
- if information['ext'] != u'mp4':
- self._downloader.to_screen(u'[ffmpeg] Subtitles can only be embedded in mp4 files')
+ if information['ext'] != 'mp4':
+ self._downloader.to_screen('[ffmpeg] Subtitles can only be embedded in mp4 files')
return True, information
if not information.get('subtitles'):
- self._downloader.to_screen(u'[ffmpeg] There aren\'t any subtitles to embed')
+ self._downloader.to_screen('[ffmpeg] There aren\'t any subtitles to embed')
return True, information
sub_langs = [key for key in information['subtitles']]
filename = information['filepath']
input_files = [filename] + [subtitles_filename(filename, lang, self._subformat) for lang in sub_langs]
- opts = ['-map', '0:0', '-map', '0:1', '-c:v', 'copy', '-c:a', 'copy']
+ opts = [
+ '-map', '0',
+ '-c', 'copy',
+ # Don't copy the existing subtitles, we may be running the
+ # postprocessor a second time
+ '-map', '-0:s',
+ '-c:s', 'mov_text',
+ ]
for (i, lang) in enumerate(sub_langs):
- opts.extend(['-map', '%d:0' % (i+1), '-c:s:%d' % i, 'mov_text'])
+ opts.extend(['-map', '%d:0' % (i + 1)])
lang_code = self._conver_lang_code(lang)
if lang_code is not None:
opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code])
- opts.extend(['-f', 'mp4'])
- temp_filename = filename + u'.temp'
- self._downloader.to_screen(u'[ffmpeg] Embedding subtitles in \'%s\'' % filename)
+ temp_filename = prepend_extension(filename, 'temp')
+ self._downloader.to_screen('[ffmpeg] Embedding subtitles in \'%s\'' % filename)
self.run_ffmpeg_multiple_files(input_files, temp_filename, opts)
os.remove(encodeFilename(filename))
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
metadata['artist'] = info['uploader']
elif info.get('uploader_id') is not None:
metadata['artist'] = info['uploader_id']
+ if info.get('description') is not None:
+ metadata['description'] = info['description']
+ metadata['comment'] = info['description']
+ if info.get('webpage_url') is not None:
+ metadata['purl'] = info['webpage_url']
if not metadata:
- self._downloader.to_screen(u'[ffmpeg] There isn\'t any metadata to add')
+ self._downloader.to_screen('[ffmpeg] There isn\'t any metadata to add')
return True, info
filename = info['filepath']
temp_filename = prepend_extension(filename, 'temp')
- options = ['-c', 'copy']
+ if info['ext'] == 'm4a':
+ options = ['-vn', '-acodec', 'copy']
+ else:
+ options = ['-c', 'copy']
+
for (name, value) in metadata.items():
options.extend(['-metadata', '%s=%s' % (name, value)])
- self._downloader.to_screen(u'[ffmpeg] Adding metadata to \'%s\'' % filename)
+ self._downloader.to_screen('[ffmpeg] Adding metadata to \'%s\'' % filename)
self.run_ffmpeg(filename, temp_filename, options)
os.remove(encodeFilename(filename))
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
class FFmpegMergerPP(FFmpegPostProcessor):
def run(self, info):
filename = info['filepath']
- args = ['-c', 'copy']
+ args = ['-c', 'copy', '-map', '0:v:0', '-map', '1:a:0']
+ self._downloader.to_screen('[ffmpeg] Merging formats into "%s"' % filename)
self.run_ffmpeg_multiple_files(info['__files_to_merge'], filename, args)
return True, info
+
+class FFmpegAudioFixPP(FFmpegPostProcessor):
+ def run(self, info):
+ filename = info['filepath']
+ temp_filename = prepend_extension(filename, 'temp')
+
+ options = ['-vn', '-acodec', 'copy']
+ self._downloader.to_screen('[ffmpeg] Fixing audio file "%s"' % filename)
+ self.run_ffmpeg(filename, temp_filename, options)
+
+ os.remove(encodeFilename(filename))
+ os.rename(encodeFilename(temp_filename), encodeFilename(filename))
+
+ return True, info
+
+
+class FFmpegFixupStretchedPP(FFmpegPostProcessor):
+ def run(self, info):
+ stretched_ratio = info.get('stretched_ratio')
+ if stretched_ratio is None or stretched_ratio == 1:
+ return True, info
+
+ filename = info['filepath']
+ temp_filename = prepend_extension(filename, 'temp')
+
+ options = ['-c', 'copy', '-aspect', '%f' % stretched_ratio]
+ self._downloader.to_screen('[ffmpeg] Fixing aspect ratio in "%s"' % filename)
+ self.run_ffmpeg(filename, temp_filename, options)
+
+ os.remove(encodeFilename(filename))
+ os.rename(encodeFilename(temp_filename), encodeFilename(filename))
+
+ return True, info
+
+
+class FFmpegFixupM4aPP(FFmpegPostProcessor):
+ def run(self, info):
+ if info.get('container') != 'm4a_dash':
+ return True, info
+
+ filename = info['filepath']
+ temp_filename = prepend_extension(filename, 'temp')
+
+ options = ['-c', 'copy', '-f', 'mp4']
+ self._downloader.to_screen('[ffmpeg] Correcting container in "%s"' % filename)
+ self.run_ffmpeg(filename, temp_filename, options)
+
+ os.remove(encodeFilename(filename))
+ os.rename(encodeFilename(temp_filename), encodeFilename(filename))
+
+ return True, info