mirror of
https://github.com/morpheus65535/bazarr
synced 2024-12-25 17:17:12 +00:00
100 lines
4 KiB
Python
100 lines
4 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import absolute_import
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import logging
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import os
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from babelfish import Error as BabelfishError, Language
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from enzyme import MKV
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logger = logging.getLogger(__name__)
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def refine(video, embedded_subtitles=True, **kwargs):
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"""Refine a video by searching its metadata.
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Several :class:`~subliminal.video.Video` attributes can be found:
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* :attr:`~subliminal.video.Video.resolution`
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* :attr:`~subliminal.video.Video.video_codec`
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* :attr:`~subliminal.video.Video.audio_codec`
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* :attr:`~subliminal.video.Video.subtitle_languages`
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:param bool embedded_subtitles: search for embedded subtitles.
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"""
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# skip non existing videos
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if not video.exists:
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return
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# check extensions
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extension = os.path.splitext(video.name)[1]
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if extension == '.mkv':
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with open(video.name, 'rb') as f:
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mkv = MKV(f)
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# main video track
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if mkv.video_tracks:
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video_track = mkv.video_tracks[0]
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# resolution
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if video_track.height in (480, 720, 1080):
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if video_track.interlaced:
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video.resolution = '%di' % video_track.height
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else:
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video.resolution = '%dp' % video_track.height
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logger.debug('Found resolution %s', video.resolution)
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# video codec
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if video_track.codec_id == 'V_MPEG4/ISO/AVC':
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video.video_codec = 'H.264'
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logger.debug('Found video_codec %s', video.video_codec)
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elif video_track.codec_id == 'V_MPEG4/ISO/SP':
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video.video_codec = 'DivX'
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logger.debug('Found video_codec %s', video.video_codec)
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elif video_track.codec_id == 'V_MPEG4/ISO/ASP':
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video.video_codec = 'Xvid'
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logger.debug('Found video_codec %s', video.video_codec)
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else:
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logger.warning('MKV has no video track')
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# main audio track
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if mkv.audio_tracks:
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audio_track = mkv.audio_tracks[0]
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# audio codec
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if audio_track.codec_id == 'A_AC3':
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video.audio_codec = 'Dolby Digital'
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logger.debug('Found audio_codec %s', video.audio_codec)
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elif audio_track.codec_id == 'A_DTS':
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video.audio_codec = 'DTS'
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logger.debug('Found audio_codec %s', video.audio_codec)
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elif audio_track.codec_id == 'A_AAC':
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video.audio_codec = 'AAC'
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logger.debug('Found audio_codec %s', video.audio_codec)
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else:
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logger.warning('MKV has no audio track')
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# subtitle tracks
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if mkv.subtitle_tracks:
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if embedded_subtitles:
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embedded_subtitle_languages = set()
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for st in mkv.subtitle_tracks:
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if st.language:
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try:
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embedded_subtitle_languages.add(Language.fromalpha3b(st.language))
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except BabelfishError:
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logger.error('Embedded subtitle track language %r is not a valid language', st.language)
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embedded_subtitle_languages.add(Language('und'))
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elif st.name:
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try:
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embedded_subtitle_languages.add(Language.fromname(st.name))
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except BabelfishError:
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logger.debug('Embedded subtitle track name %r is not a valid language', st.name)
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embedded_subtitle_languages.add(Language('und'))
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else:
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embedded_subtitle_languages.add(Language('und'))
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logger.debug('Found embedded subtitle %r', embedded_subtitle_languages)
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video.subtitle_languages |= embedded_subtitle_languages
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else:
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logger.debug('MKV has no subtitle track')
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else:
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logger.debug('Unsupported video extension %s', extension)
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