2018-09-17 00:27:00 +00:00
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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video_codec and video_profile property
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"""
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from rebulk.remodule import re
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from rebulk import Rebulk, Rule, RemoveMatch
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from ..common import dash
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from ..common.validators import seps_after, seps_before, seps_surround
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2018-10-06 17:18:55 +00:00
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def video_codec():
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2018-09-17 00:27:00 +00:00
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"""
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Builder for rebulk object.
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:return: Created Rebulk object
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:rtype: Rebulk
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"""
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2018-10-06 17:18:55 +00:00
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rebulk = Rebulk().regex_defaults(flags=re.IGNORECASE, abbreviations=[dash]).string_defaults(ignore_case=True)
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rebulk.defaults(name="video_codec", tags=['format-suffix', 'streaming_service.suffix'])
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rebulk.regex(r"Rv\d{2}", value="Real")
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rebulk.regex("Mpeg2", value="Mpeg2")
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rebulk.regex("DVDivX", "DivX", value="DivX")
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rebulk.regex("XviD", value="XviD")
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rebulk.regex("[hx]-?264(?:-?AVC(HD)?)?", "MPEG-?4(?:-?AVC(HD)?)", "AVC(?:HD)?", value="h264")
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rebulk.regex("[hx]-?265(?:-?HEVC)?", "HEVC", value="h265")
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rebulk.regex('(?P<video_codec>hevc)(?P<video_profile>10)', value={'video_codec': 'h265', 'video_profile': '10bit'},
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2018-09-17 00:27:00 +00:00
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tags=['video-codec-suffix'], children=True)
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# http://blog.mediacoderhq.com/h264-profiles-and-levels/
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# http://fr.wikipedia.org/wiki/H.264
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2018-10-06 17:18:55 +00:00
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rebulk.defaults(name="video_profile", validator=seps_surround)
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rebulk.regex('10.?bits?', 'Hi10P?', 'YUV420P10', value='10bit')
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rebulk.regex('8.?bits?', value='8bit')
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rebulk.string('BP', value='BP', tags='video_profile.rule')
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rebulk.string('XP', 'EP', value='XP', tags='video_profile.rule')
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rebulk.string('MP', value='MP', tags='video_profile.rule')
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rebulk.string('HP', 'HiP', value='HP', tags='video_profile.rule')
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rebulk.regex('Hi422P', value='Hi422P', tags='video_profile.rule')
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rebulk.regex('Hi444PP', value='Hi444PP', tags='video_profile.rule')
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rebulk.string('DXVA', value='DXVA', name='video_api')
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2018-09-17 00:27:00 +00:00
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rebulk.rules(ValidateVideoCodec, VideoProfileRule)
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return rebulk
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class ValidateVideoCodec(Rule):
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"""
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2018-10-06 17:18:55 +00:00
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Validate video_codec with format property or separated
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2018-09-17 00:27:00 +00:00
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"""
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priority = 64
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consequence = RemoveMatch
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def when(self, matches, context):
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ret = []
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for codec in matches.named('video_codec'):
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if not seps_before(codec) and \
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not matches.at_index(codec.start - 1, lambda match: 'video-codec-prefix' in match.tags):
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ret.append(codec)
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continue
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if not seps_after(codec) and \
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not matches.at_index(codec.end + 1, lambda match: 'video-codec-suffix' in match.tags):
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ret.append(codec)
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continue
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return ret
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class VideoProfileRule(Rule):
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"""
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Rule to validate video_profile
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"""
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consequence = RemoveMatch
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def when(self, matches, context):
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profile_list = matches.named('video_profile', lambda match: 'video_profile.rule' in match.tags)
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ret = []
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for profile in profile_list:
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codec = matches.previous(profile, lambda match: match.name == 'video_codec')
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if not codec:
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codec = matches.next(profile, lambda match: match.name == 'video_codec')
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if not codec:
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ret.append(profile)
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return ret
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