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ports/multimedia/mmpython/files/patch-disc__lsdvd.py
Felippe de Meirelles Motta 68aac124e8 - Update to 0.4.10. 
- Use SF macro.

PR:		ports/121227
Submitted by:	myself
Approved by:	gabor (mentor), maintainer timeout (> 2 weeks)
2008-03-19 12:41:31 +00:00

290 lines
9.5 KiB
Python
Raw Blame History

--- disc/lsdvd.py.old 1969-12-31 21:00:00.000000000 -0300
+++ disc/lsdvd.py 2006-09-26 10:18:52.000000000 -0300
@@ -0,0 +1,286 @@
+# -----------------------------------------------------------------------
+# lsdvdinfo.py - parse dvd title structure
+# -----------------------------------------------------------------------
+# $Id: lsdvd.py 1906 2006-09-26 13:18:52Z duncan $
+#
+# Use lsdvd to get dvd informations.
+#
+# -----------------------------------------------------------------------
+# $Log: lsdvd.py,v $
+# Revision 1.13.2.1 2005/06/30 17:28:24 dischi
+# fix to new lsdvd
+#
+# Revision 1.13 2005/01/13 20:19:34 dischi
+# detect video_ts in lower case
+#
+# Revision 1.12 2004/08/27 17:27:44 dischi
+# do not import ifoparser
+#
+#
+# -----------------------------------------------------------------------
+# Copyright (C) 2003 Thomas Schueppel, Dirk Meyer
+#
+# This program 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 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of MER-
+# CHANTABILITY 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 this program; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# ----------------------------------------------------------------------- */
+
+
+import os
+import re
+from mmpython import mediainfo
+import mmpython
+from discinfo import DiscInfo
+
+LSDVD_EXE='lsdvd'
+
+class DVDAudio(mediainfo.AudioInfo):
+ def __init__(self, data):
+ mediainfo.AudioInfo.__init__(self)
+
+ self.rawdata = data
+
+ self.number = int(data[1])
+ try:
+ self.id = int(data[20],0)
+ except:
+ self.id = self.number
+
+ if data[3] != 'xx':
+ self.language = data[3]
+ self.languagedesc = data[5]
+ try:
+ # some DVDs have a very bad language setting
+ self.language.encode()
+ except UnicodeError:
+ self.language = ''
+ try:
+ self.languagedesc.encode()
+ except UnicodeError:
+ self.languagedesc = ''
+
+ try:
+ self.codec = data[7]
+ try:
+ self.samplerate = int(data[9])
+ except ValueError, e:
+ if data[9].lower().find('khz') > 0:
+ pos = data[9].lower().find('khz')
+ self.samplerate = int(data[9][:pos]) * 1000
+ else:
+ raise e
+ self.channels = data[13]
+ except Exception, e:
+ # WTF, strange DVD, now try to find the bug (may not work)
+ self.codec = data[data.index('Format:') + 1]
+ try:
+ freq = data[data.index('Frequency:') + 1]
+ self.samplerate = int(freq)
+ except ValueError:
+ if freq.lower().find('khz') > 0:
+ self.samplerate = int(freq[:freq.lower().find('khz')])*1000
+ self.channels = int(data[data.index('Channels:') + 1])
+
+
+class DVDSubtitle(mediainfo.SubtitleInfo):
+ def __init__(self, data):
+ mediainfo.SubtitleInfo.__init__(self)
+ self.rawdata = data
+ self.number = int(data[1])
+ try:
+ self.id = int(data[10],0)
+ except:
+ self.id = self.number
+ self.language = data[3]
+ try:
+ self.language.encode()
+ except UnicodeError:
+ self.language = ''
+ self.languagedesc = data[5]
+ try:
+ self.languagedesc.encode()
+ except UnicodeError:
+ self.languagedesc = ''
+ self.content = data[7]
+ try:
+ self.languagedesc.encode()
+ except UnicodeError:
+ self.languagedesc = ''
+
+ def __repr__(self):
+ if self.languagedesc != '':
+ return self.languagedesc
+ return self.language
+
+
+class DVDVideo(mediainfo.VideoInfo):
+ def __init__(self, data):
+ mediainfo.VideoInfo.__init__(self)
+ self.rawdata = data
+ self.width = int(data[12])
+ self.height = int(data[14])
+ self.fps = float(data[5])
+ self.aspect = data[10]
+
+
+class DVDTitle(mediainfo.AVInfo):
+ def __init__(self, data):
+ mediainfo.AVInfo.__init__(self)
+ self.rawdata = data
+ self.number = int(data[1])
+ self.keys.append('subtitles')
+ self.keys.append('chapters')
+
+ self.mime = 'video/mpeg'
+
+ l = re.split('[:.]', data[3])
+ self.length = (int(l[0])*60+int(l[1]))*60+int(l[2])
+ self.trackno = int(data[1])
+ self.chapters = int(data[5])
+
+
+class DVDInfo(DiscInfo):
+ def __init__(self, device):
+ DiscInfo.__init__(self)
+ self.context = 'video'
+ self.offset = 0
+ if mediainfo.DEBUG > 1:
+ print 'trying lsdvd for scanning the disc'
+
+ if os.path.isdir(device):
+ self.valid = self.isDVDdir(device)
+ else:
+ self.valid = self.isDisc(device)
+
+ if self.valid and self.tracks:
+ self.keys.append('length')
+ self.length = 0
+ first = 0
+
+ for t in self.tracks:
+ self.length += t.length
+ if not first:
+ first = t.length
+
+ if self.length/len(self.tracks) == first:
+ # badly mastered dvd
+ self.length = first
+
+ if mediainfo.DEBUG > 1:
+ print 'lsdvd detection ok'
+
+ self.mime = 'video/dvd'
+ self.type = 'DVD'
+ self.subtype = 'video'
+
+
+ def lsdvd(self, path):
+ """
+ use lsdvd to get informations about this disc
+ """
+ import popen2
+ if mediainfo.DEBUG > 1:
+ print '%s -v -n -a -s "%s"' % (LSDVD_EXE, path)
+ child = popen2.Popen3('%s -v -n -a -s "%s"' % \
+ (LSDVD_EXE, path), 1, 100)
+ for line in child.fromchild.readlines():
+ data = line.replace(',', '').replace('\t', '').\
+ replace('\n', '').lstrip(' ').split(' ')
+ if mediainfo.DEBUG > 1:
+ print data
+ if len(data) > 2:
+ if data[0] == 'Title:':
+ ti = DVDTitle(data)
+ self.appendtrack(ti)
+ elif data[0] == 'Audio:':
+ self.tracks[-1].audio.append(DVDAudio(data))
+ elif data[0] == 'Subtitle:':
+ self.tracks[-1].subtitles.append(DVDSubtitle(data))
+ elif data[0] == 'VTS:':
+ self.tracks[-1].video.append(DVDVideo(data))
+ self.tracks[-1].video[-1].length = self.tracks[-1].length
+ elif data[:3] == ['Number', 'of', 'Angles:']:
+ self.tracks[-1].angles = int(data[3])
+ self.tracks[-1].keys.append('angles')
+ elif data[:2] == ['Longest', 'track:']:
+ self.tracks[-1].longesttrack = int(data[2])
+ self.tracks[-1].keys.append('longesttrack')
+
+ child.wait()
+ child.fromchild.close()
+ child.childerr.close()
+ child.tochild.close()
+
+ if len(self.tracks) > 0:
+ for ti in self.tracks:
+ ti.trackof = len(self.tracks)
+ return 1
+
+ return 0
+
+
+ def isDVDdir(self, dirname):
+ if os.path.isdir(dirname+'/VIDEO_TS') or \
+ os.path.isdir(dirname+'/video_ts') or \
+ os.path.isdir(dirname+'/Video_ts'):
+ return self.lsdvd(dirname)
+ return 0
+
+
+ def isDisc(self, device):
+ if DiscInfo.isDisc(self, device) != 2:
+ return 0
+
+ # brute force reading of the device to find out if it is a DVD
+ f = open(device,'rb')
+ f.seek(32768, 0)
+ buffer = f.read(60000)
+
+ if buffer.find('UDF') == -1:
+ f.close()
+ return 0
+
+ # seems to be a DVD, read a little bit more
+ buffer += f.read(550000)
+ f.close()
+
+ if buffer.find('VIDEO_TS') == -1 and \
+ buffer.find('VIDEO_TS.IFO') == -1 and \
+ buffer.find('OSTA UDF Compliant') == -1:
+ return 0
+
+ ret = self.lsdvd(device)
+ if not ret:
+ # we are very sure this is a DVD, maybe the drive was not
+ # ready, let's try again
+ return self.lsdvd(device)
+ return 1
+
+
+if os.environ.has_key('LSDVD') and os.environ['LSDVD']:
+ LSDVD_EXE = os.environ['LSDVD']
+else:
+ for path in os.environ['PATH'].split(':'):
+ if os.path.isfile(os.path.join(path, 'lsdvd')):
+ LSDVD_EXE = os.path.join(path, 'lsdvd')
+ break
+ else:
+ if mediainfo.DEBUG:
+ print 'ImportError: lsdvd not found'
+ raise ImportError
+
+mmpython.registertype( 'video/dvd', mediainfo.EXTENSION_DEVICE,
+ mediainfo.TYPE_AV, DVDInfo )
+mmpython.registertype( 'video/dvd', mediainfo.EXTENSION_DIRECTORY,
+ mediainfo.TYPE_AV, DVDInfo )
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