123 lines
4.1 KiB
Python
123 lines
4.1 KiB
Python
# -*- coding: utf-8 -*-
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# Convertes video files to avi or mp4
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# This requires ffmpeg to be installed. Also works as a context
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# menu item for already-downloaded files.
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#
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# (c) 2011-08-05 Thomas Perl <thp.io/about>
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# Released under the same license terms as gPodder itself.
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import logging
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import os
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import subprocess
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import gpodder
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from gpodder import util
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logger = logging.getLogger(__name__)
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_ = gpodder.gettext
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__title__ = _('Convert video files')
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__description__ = _('Transcode video files to avi/mp4/m4v')
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__authors__ = 'Thomas Perl <thp@gpodder.org>, Bernd Schlapsi <brot@gmx.info>'
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__doc__ = 'https://gpodder.github.io/docs/extensions/videoconverter.html'
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__payment__ = 'https://flattr.com/submit/auto?user_id=BerndSch&url=http://wiki.gpodder.org/wiki/Extensions/VideoConverter'
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__category__ = 'post-download'
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DefaultConfig = {
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'output_format': 'mp4', # At the moment we support/test only mp4, m4v and avi
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'context_menu': True, # Show the conversion option in the context menu
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}
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class gPodderExtension:
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MIME_TYPES = ('video/mp4', 'video/m4v', 'video/x-flv', )
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EXT = ('.mp4', '.m4v', '.flv', )
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CMD = {'avconv': ['-i', '%(old_file)s', '-codec', 'copy', '%(new_file)s'],
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'ffmpeg': ['-i', '%(old_file)s', '-codec', 'copy', '%(new_file)s']
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}
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def __init__(self, container):
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self.container = container
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self.config = self.container.config
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# Dependency checks
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self.command = self.container.require_any_command(['avconv', 'ffmpeg'])
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# extract command without extension (.exe on Windows) from command-string
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command_without_ext = os.path.basename(os.path.splitext(self.command)[0])
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self.command_param = self.CMD[command_without_ext]
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def on_episode_downloaded(self, episode):
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self._convert_episode(episode)
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def _get_new_extension(self):
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ext = self.config.output_format
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if not ext.startswith('.'):
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ext = '.' + ext
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return ext
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def _check_source(self, episode):
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if episode.extension() == self._get_new_extension():
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return False
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if episode.mime_type in self.MIME_TYPES:
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return True
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# Also check file extension (bug 1770)
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if episode.extension() in self.EXT:
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return True
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return False
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def on_episodes_context_menu(self, episodes):
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if not self.config.context_menu:
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return None
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if not all(e.was_downloaded(and_exists=True) for e in episodes):
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return None
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if not any(self._check_source(episode) for episode in episodes):
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return None
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menu_item = _('Convert to %(format)s') % {'format': self.config.output_format}
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return [(menu_item, self._convert_episodes)]
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def _convert_episode(self, episode):
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if not self._check_source(episode):
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return
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new_extension = self._get_new_extension()
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old_filename = episode.local_filename(create=False)
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filename, old_extension = os.path.splitext(old_filename)
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new_filename = filename + new_extension
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cmd = [self.command] + \
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[param % {'old_file': old_filename, 'new_file': new_filename}
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for param in self.command_param]
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if gpodder.ui.win32:
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ffmpeg = util.Popen(cmd)
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ffmpeg.wait()
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stdout, stderr = ("<unavailable>",) * 2
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else:
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ffmpeg = util.Popen(cmd, stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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stdout, stderr = ffmpeg.communicate()
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if ffmpeg.returncode == 0:
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util.rename_episode_file(episode, new_filename)
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os.remove(old_filename)
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logger.info('Converted video file to %(format)s.' % {'format': self.config.output_format})
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gpodder.user_extensions.on_notification_show(_('File converted'), episode.title)
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else:
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logger.warning('Error converting video file: %s / %s', stdout, stderr)
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gpodder.user_extensions.on_notification_show(_('Conversion failed'), episode.title)
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def _convert_episodes(self, episodes):
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for episode in episodes:
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self._convert_episode(episode)
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