nzbToMedia/libs/common/subliminal/refiners/metadata.py
Labrys of Knossos f05b09f349 Updates vendored subliminal to 2.1.0
Updates rarfile to 3.1
Updates stevedore to 3.5.0
Updates appdirs to 1.4.4
Updates click to 8.1.3
Updates decorator to 5.1.1
Updates dogpile.cache to 1.1.8
Updates pbr to 5.11.0
Updates pysrt to 1.1.2
Updates pytz to 2022.6
Adds importlib-metadata version 3.1.1
Adds typing-extensions version 4.1.1
Adds zipp version 3.11.0
2022-11-29 00:44:49 -05:00

100 lines
3.9 KiB
Python

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