| 1 | #if 0 /* |
|---|
| 2 | # ----------------------------------------------------------------------- |
|---|
| 3 | # vcdinfo.py - parse vcd track informations from cue/bin files |
|---|
| 4 | # ----------------------------------------------------------------------- |
|---|
| 5 | # $Id: vcdinfo.py,v 1.7 2004/06/25 13:20:34 dischi Exp $ |
|---|
| 6 | # |
|---|
| 7 | # $Log: vcdinfo.py,v $ |
|---|
| 8 | # Revision 1.7 2004/06/25 13:20:34 dischi |
|---|
| 9 | # FreeBSD patches |
|---|
| 10 | # |
|---|
| 11 | # Revision 1.6 2003/06/30 13:17:20 the_krow |
|---|
| 12 | # o Refactored mediainfo into factory, synchronizedobject |
|---|
| 13 | # o Parsers now register directly at mmpython not at mmpython.mediainfo |
|---|
| 14 | # o use mmpython.Factory() instead of mmpython.mediainfo.get_singleton() |
|---|
| 15 | # o Bugfix in PNG parser |
|---|
| 16 | # o Renamed disc.AudioInfo into disc.AudioDiscInfo |
|---|
| 17 | # o Renamed disc.DataInfo into disc.DataDiscInfo |
|---|
| 18 | # |
|---|
| 19 | # Revision 1.5 2003/06/29 11:59:55 dischi |
|---|
| 20 | # bugfix |
|---|
| 21 | # |
|---|
| 22 | # Revision 1.4 2003/06/20 19:17:22 dischi |
|---|
| 23 | # remove filename again and use file.name |
|---|
| 24 | # |
|---|
| 25 | # Revision 1.3 2003/06/10 11:17:39 the_krow |
|---|
| 26 | # - OGG Fixes |
|---|
| 27 | # - changed one DiscInfo reference in vcdinfo I missed before |
|---|
| 28 | # |
|---|
| 29 | # Revision 1.2 2003/06/10 10:56:54 the_krow |
|---|
| 30 | # - Build try-except blocks around disc imports to make it run on platforms |
|---|
| 31 | # not compiling / running the C extensions. |
|---|
| 32 | # - moved DiscInfo class to disc module |
|---|
| 33 | # - changed video.VcdInfo to be derived from CollectionInfo instead of |
|---|
| 34 | # DiskInfo so it can be used without the cdrom extensions which are |
|---|
| 35 | # hopefully not needed for bin-files. |
|---|
| 36 | # |
|---|
| 37 | # Revision 1.1 2003/06/09 16:09:18 dischi |
|---|
| 38 | # first version of a cue/bin vcd parser |
|---|
| 39 | # |
|---|
| 40 | # |
|---|
| 41 | # ----------------------------------------------------------------------- |
|---|
| 42 | # Copyright (C) 2003 Thomas Schueppel, Dirk Meyer |
|---|
| 43 | # |
|---|
| 44 | # This program is free software; you can redistribute it and/or modify |
|---|
| 45 | # it under the terms of the GNU General Public License as published by |
|---|
| 46 | # the Free Software Foundation; either version 2 of the License, or |
|---|
| 47 | # (at your option) any later version. |
|---|
| 48 | # |
|---|
| 49 | # This program is distributed in the hope that it will be useful, but |
|---|
| 50 | # WITHOUT ANY WARRANTY; without even the implied warranty of MER- |
|---|
| 51 | # CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
|---|
| 52 | # Public License for more details. |
|---|
| 53 | # |
|---|
| 54 | # You should have received a copy of the GNU General Public License along |
|---|
| 55 | # with this program; if not, write to the Free Software Foundation, Inc., |
|---|
| 56 | # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|---|
| 57 | # |
|---|
| 58 | # ----------------------------------------------------------------------- */ |
|---|
| 59 | #endif |
|---|
| 60 | |
|---|
| 61 | |
|---|
| 62 | from mmpython import mediainfo |
|---|
| 63 | import mmpython |
|---|
| 64 | import os |
|---|
| 65 | |
|---|
| 66 | class VCDInfo(mediainfo.CollectionInfo): |
|---|
| 67 | def __init__(self, file): |
|---|
| 68 | mediainfo.CollectionInfo.__init__(self) |
|---|
| 69 | self.context = 'video' |
|---|
| 70 | self.offset = 0 |
|---|
| 71 | self.valid = self.isVCD(file) |
|---|
| 72 | self.mime = 'video/vcd' |
|---|
| 73 | self.type = 'vcd video' |
|---|
| 74 | |
|---|
| 75 | def isVCD(self, file): |
|---|
| 76 | type = None |
|---|
| 77 | |
|---|
| 78 | buffer = file.readline() |
|---|
| 79 | |
|---|
| 80 | if not buffer[:6] == 'FILE "': |
|---|
| 81 | return 0 |
|---|
| 82 | |
|---|
| 83 | bin = os.path.join(os.path.dirname(file.name), buffer[6:buffer[6:].find('"')+6]) |
|---|
| 84 | if not os.path.isfile(bin): |
|---|
| 85 | return 0 |
|---|
| 86 | |
|---|
| 87 | # At this point this really is a cue/bin disc |
|---|
| 88 | |
|---|
| 89 | # brute force reading of the bin to find out if it is a VCD |
|---|
| 90 | f = open(bin,'rb') |
|---|
| 91 | f.seek(32768, 0) |
|---|
| 92 | buffer = f.read(60000) |
|---|
| 93 | f.close() |
|---|
| 94 | |
|---|
| 95 | if buffer.find('SVCD') > 0 and buffer.find('TRACKS.SVD') > 0 and \ |
|---|
| 96 | buffer.find('ENTRIES.SVD') > 0: |
|---|
| 97 | type = 'SVCD' |
|---|
| 98 | |
|---|
| 99 | elif buffer.find('INFO.VCD') > 0 and buffer.find('ENTRIES.VCD') > 0: |
|---|
| 100 | type = 'VCD' |
|---|
| 101 | |
|---|
| 102 | else: |
|---|
| 103 | return 0 |
|---|
| 104 | |
|---|
| 105 | counter = 0 |
|---|
| 106 | while 1: |
|---|
| 107 | buffer = file.readline() |
|---|
| 108 | if not len(buffer): |
|---|
| 109 | return 1 |
|---|
| 110 | if buffer[:8] == ' TRACK ': |
|---|
| 111 | counter += 1 |
|---|
| 112 | # the first track is the directory, that doesn't count |
|---|
| 113 | if counter > 1: |
|---|
| 114 | vi = mediainfo.VideoInfo() |
|---|
| 115 | if type == 'VCD': |
|---|
| 116 | vi.codec = 'MPEG1' |
|---|
| 117 | else: |
|---|
| 118 | vi.codec = 'MPEG2' |
|---|
| 119 | self.tracks.append(vi) |
|---|
| 120 | |
|---|
| 121 | |
|---|
| 122 | mmpython.registertype( 'video/vcd', ('cue',), mediainfo.TYPE_AV, VCDInfo ) |
|---|
