mirror of https://github.com/morpheus65535/bazarr
334 lines
15 KiB
Python
334 lines
15 KiB
Python
|
|
import json
|
|
import re
|
|
from ctypes import c_void_p, c_wchar_p
|
|
from decimal import Decimal
|
|
from logging import DEBUG, NullHandler, getLogger
|
|
from subprocess import CalledProcessError, check_output
|
|
|
|
from pymediainfo import MediaInfo
|
|
from pymediainfo import __version__ as pymediainfo_version
|
|
|
|
from knowit import VIDEO_EXTENSIONS
|
|
from knowit.core import MultiValue, Property
|
|
from knowit.properties import (
|
|
AudioChannels,
|
|
AudioCodec,
|
|
AudioCompression,
|
|
AudioProfile,
|
|
Basic,
|
|
BitRateMode,
|
|
Duration,
|
|
Language,
|
|
Quantity,
|
|
ScanType,
|
|
SubtitleFormat,
|
|
VideoCodec,
|
|
VideoEncoder,
|
|
VideoHdrFormat,
|
|
VideoProfile,
|
|
VideoProfileTier,
|
|
YesNo,
|
|
)
|
|
from knowit.provider import (
|
|
MalformedFileError,
|
|
Provider,
|
|
)
|
|
from knowit.rules import (
|
|
AtmosRule,
|
|
AudioChannelsRule,
|
|
ClosedCaptionRule,
|
|
DtsHdRule,
|
|
HearingImpairedRule,
|
|
LanguageRule,
|
|
ResolutionRule,
|
|
)
|
|
from knowit.units import units
|
|
from knowit.utils import (
|
|
define_candidate,
|
|
detect_os, round_decimal,
|
|
)
|
|
|
|
logger = getLogger(__name__)
|
|
logger.addHandler(NullHandler())
|
|
|
|
|
|
WARN_MSG = r'''
|
|
=========================================================================================
|
|
MediaInfo not found on your system or could not be loaded.
|
|
Visit https://mediaarea.net/ to download it.
|
|
If you still have problems, please check if the downloaded version matches your system.
|
|
To load MediaInfo from a specific location, please define the location as follow:
|
|
knowit --mediainfo /usr/local/mediainfo/lib <video_path>
|
|
knowit --mediainfo /usr/local/mediainfo/bin <video_path>
|
|
knowit --mediainfo "C:\Program Files\MediaInfo" <video_path>
|
|
knowit --mediainfo C:\Software\MediaInfo.dll <video_path>
|
|
knowit --mediainfo C:\Software\MediaInfo.exe <video_path>
|
|
knowit --mediainfo /opt/mediainfo/libmediainfo.so <video_path>
|
|
knowit --mediainfo /opt/mediainfo/libmediainfo.dylib <video_path>
|
|
=========================================================================================
|
|
'''
|
|
|
|
|
|
class MediaInfoExecutor:
|
|
"""Media info executable knows how to execute media info: using ctypes or cli."""
|
|
|
|
version_re = re.compile(r'\bv(?P<version>\d+(?:\.\d+)+)\b')
|
|
|
|
locations = {
|
|
'unix': ('/usr/local/mediainfo/lib', '/usr/local/mediainfo/bin', '__PATH__'),
|
|
'windows': ('__PATH__', ),
|
|
'macos': ('__PATH__', ),
|
|
}
|
|
|
|
def __init__(self, location, version):
|
|
"""Initialize the object."""
|
|
self.location = location
|
|
self.version = version
|
|
|
|
def extract_info(self, filename):
|
|
"""Extract media info."""
|
|
return self._execute(filename)
|
|
|
|
def _execute(self, filename):
|
|
raise NotImplementedError
|
|
|
|
@classmethod
|
|
def _get_version(cls, output):
|
|
match = cls.version_re.search(output)
|
|
if match:
|
|
version = tuple([int(v) for v in match.groupdict()['version'].split('.')])
|
|
return version
|
|
|
|
@classmethod
|
|
def get_executor_instance(cls, suggested_path=None):
|
|
"""Return the executor instance."""
|
|
os_family = detect_os()
|
|
logger.debug('Detected os: %s', os_family)
|
|
for exec_cls in (MediaInfoCTypesExecutor, MediaInfoCliExecutor):
|
|
executor = exec_cls.create(os_family, suggested_path)
|
|
if executor:
|
|
return executor
|
|
|
|
|
|
class MediaInfoCliExecutor(MediaInfoExecutor):
|
|
"""Media info using cli."""
|
|
|
|
names = {
|
|
'unix': ('mediainfo', ),
|
|
'windows': ('MediaInfo.exe', ),
|
|
'macos': ('mediainfo', ),
|
|
}
|
|
|
|
def _execute(self, filename):
|
|
return json.loads(check_output([self.location, '--Output=JSON', '--Full', filename]).decode())
|
|
|
|
@classmethod
|
|
def create(cls, os_family=None, suggested_path=None):
|
|
"""Create the executor instance."""
|
|
for candidate in define_candidate(cls.locations, cls.names, os_family, suggested_path):
|
|
try:
|
|
output = check_output([candidate, '--version']).decode()
|
|
version = cls._get_version(output)
|
|
if version:
|
|
logger.debug('MediaInfo cli detected: %s', candidate)
|
|
return MediaInfoCliExecutor(candidate, version)
|
|
except CalledProcessError as e:
|
|
# old mediainfo returns non-zero exit code for mediainfo --version
|
|
version = cls._get_version(e.output.decode())
|
|
if version:
|
|
logger.debug('MediaInfo cli detected: %s', candidate)
|
|
return MediaInfoCliExecutor(candidate, version)
|
|
except OSError:
|
|
pass
|
|
|
|
|
|
class MediaInfoCTypesExecutor(MediaInfoExecutor):
|
|
"""Media info ctypes."""
|
|
|
|
names = {
|
|
'unix': ('libmediainfo.so.0', ),
|
|
'windows': ('MediaInfo.dll', ),
|
|
'macos': ('libmediainfo.0.dylib', 'libmediainfo.dylib'),
|
|
}
|
|
|
|
def _execute(self, filename):
|
|
# Create a MediaInfo handle
|
|
return json.loads(MediaInfo.parse(filename, library_file=self.location, output='JSON'))
|
|
|
|
@classmethod
|
|
def create(cls, os_family=None, suggested_path=None):
|
|
"""Create the executor instance."""
|
|
for candidate in define_candidate(cls.locations, cls.names, os_family, suggested_path):
|
|
if MediaInfo.can_parse(candidate):
|
|
lib, handle, lib_version_str, lib_version = MediaInfo._get_library(candidate)
|
|
lib.MediaInfo_Option.argtypes = [c_void_p, c_wchar_p, c_wchar_p]
|
|
lib.MediaInfo_Option.restype = c_wchar_p
|
|
version = MediaInfoExecutor._get_version(lib.MediaInfo_Option(None, "Info_Version", ""))
|
|
|
|
logger.debug('MediaInfo library detected: %s (v%s)', candidate, '.'.join(map(str, version)))
|
|
return MediaInfoCTypesExecutor(candidate, version)
|
|
|
|
|
|
class MediaInfoProvider(Provider):
|
|
"""Media Info provider."""
|
|
|
|
executor = None
|
|
|
|
def __init__(self, config, suggested_path):
|
|
"""Init method."""
|
|
super().__init__(config, {
|
|
'general': {
|
|
'title': Property('Title', description='media title'),
|
|
'path': Property('CompleteName', description='media path'),
|
|
'duration': Duration('Duration', resolution=1000, description='media duration'),
|
|
'size': Quantity('FileSize', unit=units.byte, description='media size'),
|
|
'bit_rate': Quantity('OverallBitRate', unit=units.bps, description='media bit rate'),
|
|
},
|
|
'video': {
|
|
'id': Basic('ID', data_type=int, allow_fallback=True, description='video track number'),
|
|
'name': Property('Title', description='video track name'),
|
|
'language': Language('Language', description='video language'),
|
|
'duration': Duration('Duration', resolution=1000, description='video duration'),
|
|
'size': Quantity('StreamSize', unit=units.byte, description='video stream size'),
|
|
'width': Quantity('Width', unit=units.pixel),
|
|
'height': Quantity('Height', unit=units.pixel),
|
|
'scan_type': ScanType(config, 'ScanType', default='Progressive', description='video scan type'),
|
|
'aspect_ratio': Basic('DisplayAspectRatio', data_type=Decimal,
|
|
processor=lambda x: round_decimal(x, min_digits=1, max_digits=3),
|
|
description='display aspect ratio'),
|
|
'pixel_aspect_ratio': Basic('PixelAspectRatio', data_type=Decimal,
|
|
processor=lambda x: round_decimal(x, min_digits=1, max_digits=3),
|
|
description='pixel aspect ratio'),
|
|
'resolution': None, # populated with ResolutionRule
|
|
'frame_rate': Quantity('FrameRate', unit=units.FPS, data_type=Decimal, description='video frame rate'),
|
|
# frame_rate_mode
|
|
'bit_rate': Quantity('BitRate', unit=units.bps, description='video bit rate'),
|
|
'bit_depth': Quantity('BitDepth', unit=units.bit, description='video bit depth'),
|
|
'codec': VideoCodec(config, 'CodecID', description='video codec'),
|
|
'profile': VideoProfile(config, 'Format_Profile', description='video codec profile'),
|
|
'profile_level': Property('Format_Level', description='video codec profile level'),
|
|
'profile_tier': VideoProfileTier(config, 'Format_Tier', description='video codec profile tier'),
|
|
'encoder': VideoEncoder(config, 'Encoded_Library_Name', description='video encoder'),
|
|
'hdr_format': MultiValue(VideoHdrFormat(config, 'HDR_Format', description='video hdr format'),
|
|
delimiter=' / '),
|
|
'media_type': Property('InternetMediaType', description='video media type'),
|
|
'forced': YesNo('Forced', hide_value=False, description='video track forced'),
|
|
'default': YesNo('Default', hide_value=False, description='video track default'),
|
|
},
|
|
'audio': {
|
|
'id': Basic('ID', data_type=int, allow_fallback=True, description='audio track number'),
|
|
'name': Property('Title', description='audio track name'),
|
|
'language': Language('Language', description='audio language'),
|
|
'duration': Duration('Duration', resolution=1000, description='audio duration'),
|
|
'size': Quantity('StreamSize', unit=units.byte, description='audio stream size'),
|
|
'codec': MultiValue(AudioCodec(config, 'CodecID', description='audio codec')),
|
|
'format_commercial': Property('Format_Commercial', private=True),
|
|
'profile': MultiValue(AudioProfile(config, 'Format_Profile', 'Format_AdditionalFeatures',
|
|
description='audio codec profile'),
|
|
delimiter=' / '),
|
|
'channels_count': MultiValue(AudioChannels('Channels_Original', 'Channels',
|
|
description='audio channels count')),
|
|
'channel_positions': MultiValue(name='ChannelPositions_String2', handler=(lambda x, *args: x),
|
|
delimiter=' / ', private=True, description='audio channels position'),
|
|
'channels': None, # populated with AudioChannelsRule
|
|
'bit_depth': Quantity('BitDepth', unit=units.bit, description='audio bit depth'),
|
|
'bit_rate': MultiValue(Quantity('BitRate', unit=units.bps, description='audio bit rate')),
|
|
'bit_rate_mode': MultiValue(BitRateMode(config, 'BitRate_Mode', description='audio bit rate mode')),
|
|
'sampling_rate': MultiValue(Quantity('SamplingRate', unit=units.Hz, description='audio sampling rate')),
|
|
'compression': MultiValue(AudioCompression(config, 'Compression_Mode',
|
|
description='audio compression')),
|
|
'forced': YesNo('Forced', hide_value=False, description='audio track forced'),
|
|
'default': YesNo('Default', hide_value=False, description='audio track default'),
|
|
},
|
|
'subtitle': {
|
|
'id': Basic('ID', data_type=int, allow_fallback=True, description='subtitle track number'),
|
|
'name': Property('Title', description='subtitle track name'),
|
|
'language': Language('Language', description='subtitle language'),
|
|
'hearing_impaired': None, # populated with HearingImpairedRule
|
|
'_closed_caption': Property('ClosedCaptionsPresent', private=True),
|
|
'closed_caption': None, # populated with ClosedCaptionRule
|
|
'format': SubtitleFormat(config, 'CodecID', description='subtitle format'),
|
|
'forced': YesNo('Forced', hide_value=False, description='subtitle track forced'),
|
|
'default': YesNo('Default', hide_value=False, description='subtitle track default'),
|
|
},
|
|
}, {
|
|
'video': {
|
|
'language': LanguageRule('video language'),
|
|
'resolution': ResolutionRule('video resolution'),
|
|
},
|
|
'audio': {
|
|
'language': LanguageRule('audio language'),
|
|
'channels': AudioChannelsRule('audio channels'),
|
|
'_atmosrule': AtmosRule(config, 'atmos rule'),
|
|
'_dtshdrule': DtsHdRule(config, 'dts-hd rule'),
|
|
},
|
|
'subtitle': {
|
|
'language': LanguageRule('subtitle language'),
|
|
'hearing_impaired': HearingImpairedRule('subtitle hearing impaired'),
|
|
'closed_caption': ClosedCaptionRule('closed caption'),
|
|
}
|
|
})
|
|
self.executor = MediaInfoExecutor.get_executor_instance(suggested_path)
|
|
|
|
def accepts(self, video_path):
|
|
"""Accept any video when MediaInfo is available."""
|
|
if self.executor is None:
|
|
logger.warning(WARN_MSG)
|
|
self.executor = False
|
|
|
|
return self.executor and video_path.lower().endswith(VIDEO_EXTENSIONS)
|
|
|
|
def describe(self, video_path, context):
|
|
"""Return video metadata."""
|
|
data = self.executor.extract_info(video_path)
|
|
|
|
def debug_data():
|
|
"""Debug data."""
|
|
return json.dumps(data, indent=4)
|
|
|
|
context['debug_data'] = debug_data
|
|
|
|
if logger.isEnabledFor(DEBUG):
|
|
logger.debug('Video %r scanned using mediainfo %r has raw data:\n%s',
|
|
video_path, self.executor.location, debug_data())
|
|
|
|
result = {}
|
|
tracks = data.get('media', {}).get('track', [])
|
|
if tracks:
|
|
general_tracks = []
|
|
video_tracks = []
|
|
audio_tracks = []
|
|
subtitle_tracks = []
|
|
for track in tracks:
|
|
track_type = track.get('@type')
|
|
if track_type == 'General':
|
|
general_tracks.append(track)
|
|
elif track_type == 'Video':
|
|
video_tracks.append(track)
|
|
elif track_type == 'Audio':
|
|
audio_tracks.append(track)
|
|
elif track_type == 'Text':
|
|
subtitle_tracks.append(track)
|
|
|
|
result = self._describe_tracks(video_path, general_tracks[0] if general_tracks else {},
|
|
video_tracks, audio_tracks, subtitle_tracks, context)
|
|
if not result:
|
|
raise MalformedFileError
|
|
|
|
result['provider'] = {
|
|
'name': 'mediainfo',
|
|
'version': self.version
|
|
}
|
|
|
|
return result
|
|
|
|
@property
|
|
def version(self):
|
|
"""Return mediainfo version information."""
|
|
versions = {'pymediainfo': pymediainfo_version}
|
|
if self.executor:
|
|
executor_version = '.'.join(map(str, self.executor.version))
|
|
versions[self.executor.location] = f'v{executor_version}'
|
|
return versions
|