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mirror of https://github.com/moparisthebest/SickRage synced 2024-10-31 23:45:02 -04:00
SickRage/lib/enzyme/ogm.py
echel0n 0d9fbc1ad7 Welcome to our SickBeard-TVRage Edition ...
This version of SickBeard uses both TVDB and TVRage to search and gather it's series data from allowing you to now have access to and download shows that you couldn't before because of being locked into only what TheTVDB had to offer.

Also this edition is based off the code we used in our XEM editon so it does come with scene numbering support as well as all the other features our XEM edition has to offer.

Please before using this with your existing database (sickbeard.db) please make a backup copy of it and delete any other database files such as cache.db and failed.db if present, we HIGHLY recommend starting out with no database files at all to make this a fresh start but the choice is at your own risk!

Enjoy!
2014-03-09 22:39:12 -07:00

300 lines
11 KiB
Python

# -*- coding: utf-8 -*-
# enzyme - Video metadata parser
# Copyright 2011-2012 Antoine Bertin <diaoulael@gmail.com>
# Copyright 2003-2006 Thomas Schueppel <stain@acm.org>
# Copyright 2003-2006 Dirk Meyer <dischi@freevo.org>
#
# This file is part of enzyme.
#
# enzyme is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# enzyme is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with enzyme. If not, see <http://www.gnu.org/licenses/>.
__all__ = ['Parser']
import struct
import re
import stat
import os
import logging
from exceptions import ParseError
import core
# get logging object
log = logging.getLogger(__name__)
PACKET_TYPE_HEADER = 0x01
PACKED_TYPE_METADATA = 0x03
PACKED_TYPE_SETUP = 0x05
PACKET_TYPE_BITS = 0x07
PACKET_IS_SYNCPOINT = 0x08
#VORBIS_VIDEO_PACKET_INFO = 'video'
STREAM_HEADER_VIDEO = '<4sIQQIIHII'
STREAM_HEADER_AUDIO = '<4sIQQIIHHHI'
VORBISCOMMENT = { 'TITLE': 'title',
'ALBUM': 'album',
'ARTIST': 'artist',
'COMMENT': 'comment',
'ENCODER': 'encoder',
'TRACKNUMBER': 'trackno',
'LANGUAGE': 'language',
'GENRE': 'genre',
}
# FIXME: check VORBISCOMMENT date and convert to timestamp
# Deactived tag: 'DATE': 'date',
MAXITERATIONS = 30
class Ogm(core.AVContainer):
table_mapping = { 'VORBISCOMMENT' : VORBISCOMMENT }
def __init__(self, file):
core.AVContainer.__init__(self)
self.samplerate = 1
self.all_streams = [] # used to add meta data to streams
self.all_header = []
for i in range(MAXITERATIONS):
granule, nextlen = self._parseOGGS(file)
if granule == None:
if i == 0:
# oops, bad file
raise ParseError()
break
elif granule > 0:
# ok, file started
break
# seek to the end of the stream, to avoid scanning the whole file
if (os.stat(file.name)[stat.ST_SIZE] > 50000):
file.seek(os.stat(file.name)[stat.ST_SIZE] - 49000)
# read the rest of the file into a buffer
h = file.read()
# find last OggS to get length info
if len(h) > 200:
idx = h.find('OggS')
pos = -49000 + idx
if idx:
file.seek(os.stat(file.name)[stat.ST_SIZE] + pos)
while 1:
granule, nextlen = self._parseOGGS(file)
if not nextlen:
break
# Copy metadata to the streams
if len(self.all_header) == len(self.all_streams):
for i in range(len(self.all_header)):
# get meta info
for key in self.all_streams[i].keys():
if self.all_header[i].has_key(key):
self.all_streams[i][key] = self.all_header[i][key]
del self.all_header[i][key]
if self.all_header[i].has_key(key.upper()):
asi = self.all_header[i][key.upper()]
self.all_streams[i][key] = asi
del self.all_header[i][key.upper()]
# Chapter parser
if self.all_header[i].has_key('CHAPTER01') and \
not self.chapters:
while 1:
s = 'CHAPTER%02d' % (len(self.chapters) + 1)
if self.all_header[i].has_key(s) and \
self.all_header[i].has_key(s + 'NAME'):
pos = self.all_header[i][s]
try:
pos = int(pos)
except ValueError:
new_pos = 0
for v in pos.split(':'):
new_pos = new_pos * 60 + float(v)
pos = int(new_pos)
c = self.all_header[i][s + 'NAME']
c = core.Chapter(c, pos)
del self.all_header[i][s + 'NAME']
del self.all_header[i][s]
self.chapters.append(c)
else:
break
# If there are no video streams in this ogg container, it
# must be an audio file. Raise an exception to cause the
# factory to fall back to audio.ogg.
if len(self.video) == 0:
raise ParseError
# Copy Metadata from tables into the main set of attributes
for header in self.all_header:
self._appendtable('VORBISCOMMENT', header)
def _parseOGGS(self, file):
h = file.read(27)
if len(h) == 0:
# Regular File end
return None, None
elif len(h) < 27:
log.debug(u'%d Bytes of Garbage found after End.' % len(h))
return None, None
if h[:4] != "OggS":
log.debug(u'Invalid Ogg')
raise ParseError()
version = ord(h[4])
if version != 0:
log.debug(u'Unsupported OGG/OGM Version %d' % version)
return None, None
head = struct.unpack('<BQIIIB', h[5:])
headertype, granulepos, serial, pageseqno, checksum, \
pageSegCount = head
self.mime = 'application/ogm'
self.type = 'OGG Media'
tab = file.read(pageSegCount)
nextlen = 0
for i in range(len(tab)):
nextlen += ord(tab[i])
else:
h = file.read(1)
packettype = ord(h[0]) & PACKET_TYPE_BITS
if packettype == PACKET_TYPE_HEADER:
h += file.read(nextlen - 1)
self._parseHeader(h, granulepos)
elif packettype == PACKED_TYPE_METADATA:
h += file.read(nextlen - 1)
self._parseMeta(h)
else:
file.seek(nextlen - 1, 1)
if len(self.all_streams) > serial:
stream = self.all_streams[serial]
if hasattr(stream, 'samplerate') and \
stream.samplerate:
stream.length = granulepos / stream.samplerate
elif hasattr(stream, 'bitrate') and \
stream.bitrate:
stream.length = granulepos / stream.bitrate
return granulepos, nextlen + 27 + pageSegCount
def _parseMeta(self, h):
flags = ord(h[0])
headerlen = len(h)
if headerlen >= 7 and h[1:7] == 'vorbis':
header = {}
nextlen, self.encoder = self._extractHeaderString(h[7:])
numItems = struct.unpack('<I', h[7 + nextlen:7 + nextlen + 4])[0]
start = 7 + 4 + nextlen
for _ in range(numItems):
(nextlen, s) = self._extractHeaderString(h[start:])
start += nextlen
if s:
a = re.split('=', s)
header[(a[0]).upper()] = a[1]
# Put Header fields into info fields
self.type = 'OGG Vorbis'
self.subtype = ''
self.all_header.append(header)
def _parseHeader(self, header, granule):
headerlen = len(header)
flags = ord(header[0])
if headerlen >= 30 and header[1:7] == 'vorbis':
ai = core.AudioStream()
ai.version, ai.channels, ai.samplerate, bitrate_max, ai.bitrate, \
bitrate_min, blocksize, framing = \
struct.unpack('<IBIiiiBB', header[7:7 + 23])
ai.codec = 'Vorbis'
#ai.granule = granule
#ai.length = granule / ai.samplerate
self.audio.append(ai)
self.all_streams.append(ai)
elif headerlen >= 7 and header[1:7] == 'theora':
# Theora Header
# XXX Finish Me
vi = core.VideoStream()
vi.codec = 'theora'
self.video.append(vi)
self.all_streams.append(vi)
elif headerlen >= 142 and \
header[1:36] == 'Direct Show Samples embedded in Ogg':
# Old Directshow format
# XXX Finish Me
vi = core.VideoStream()
vi.codec = 'dshow'
self.video.append(vi)
self.all_streams.append(vi)
elif flags & PACKET_TYPE_BITS == PACKET_TYPE_HEADER and \
headerlen >= struct.calcsize(STREAM_HEADER_VIDEO) + 1:
# New Directshow Format
htype = header[1:9]
if htype[:5] == 'video':
sh = header[9:struct.calcsize(STREAM_HEADER_VIDEO) + 9]
streamheader = struct.unpack(STREAM_HEADER_VIDEO, sh)
vi = core.VideoStream()
(type, ssize, timeunit, samplerate, vi.length, buffersize, \
vi.bitrate, vi.width, vi.height) = streamheader
vi.width /= 65536
vi.height /= 65536
# XXX length, bitrate are very wrong
vi.codec = type
vi.fps = 10000000 / timeunit
self.video.append(vi)
self.all_streams.append(vi)
elif htype[:5] == 'audio':
sha = header[9:struct.calcsize(STREAM_HEADER_AUDIO) + 9]
streamheader = struct.unpack(STREAM_HEADER_AUDIO, sha)
ai = core.AudioStream()
(type, ssize, timeunit, ai.samplerate, ai.length, buffersize, \
ai.bitrate, ai.channels, bloc, ai.bitrate) = streamheader
self.samplerate = ai.samplerate
log.debug(u'Samplerate %d' % self.samplerate)
self.audio.append(ai)
self.all_streams.append(ai)
elif htype[:4] == 'text':
subtitle = core.Subtitle()
# FIXME: add more info
self.subtitles.append(subtitle)
self.all_streams.append(subtitle)
else:
log.debug(u'Unknown Header')
def _extractHeaderString(self, header):
len = struct.unpack('<I', header[:4])[0]
try:
return (len + 4, unicode(header[4:4 + len], 'utf-8'))
except (KeyError, IndexError, UnicodeDecodeError):
return (len + 4, None)
Parser = Ogm