| 1 | #if 0 /* |
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| 2 | # ----------------------------------------------------------------------- |
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| 3 | # vcdinfo.py - parse vcd track informations |
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| 4 | # ----------------------------------------------------------------------- |
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| 5 | # $Id: vcdinfo.py,v 1.8 2004/06/25 13:20:35 dischi Exp $ |
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| 6 | # |
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| 7 | # $Log: vcdinfo.py,v $ |
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| 8 | # Revision 1.8 2004/06/25 13:20:35 dischi |
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| 9 | # FreeBSD patches |
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| 10 | # |
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| 11 | # Revision 1.7 2003/06/30 13:17:19 the_krow |
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| 12 | # o Refactored mediainfo into factory, synchronizedobject |
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| 13 | # o Parsers now register directly at mmpython not at mmpython.mediainfo |
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| 14 | # o use mmpython.Factory() instead of mmpython.mediainfo.get_singleton() |
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| 15 | # o Bugfix in PNG parser |
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| 16 | # o Renamed disc.AudioInfo into disc.AudioDiscInfo |
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| 17 | # o Renamed disc.DataInfo into disc.DataDiscInfo |
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| 18 | # |
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| 19 | # Revision 1.6 2003/06/10 22:11:36 dischi |
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| 20 | # some fixes |
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| 21 | # |
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| 22 | # Revision 1.5 2003/06/09 12:47:53 dischi |
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| 23 | # more track info |
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| 24 | # |
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| 25 | # |
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| 26 | # ----------------------------------------------------------------------- |
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| 27 | # Copyright (C) 2003 Thomas Schueppel, Dirk Meyer |
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| 28 | # |
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| 29 | # This program is free software; you can redistribute it and/or modify |
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| 30 | # it under the terms of the GNU General Public License as published by |
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| 31 | # the Free Software Foundation; either version 2 of the License, or |
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| 32 | # (at your option) any later version. |
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| 33 | # |
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| 34 | # This program is distributed in the hope that it will be useful, but |
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| 35 | # WITHOUT ANY WARRANTY; without even the implied warranty of MER- |
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| 36 | # CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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| 37 | # Public License for more details. |
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| 38 | # |
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| 39 | # You should have received a copy of the GNU General Public License along |
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| 40 | # with this program; if not, write to the Free Software Foundation, Inc., |
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| 41 | # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 42 | # |
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| 43 | # ----------------------------------------------------------------------- */ |
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| 44 | #endif |
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| 45 | |
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| 46 | import mmpython |
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| 47 | from mmpython import mediainfo |
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| 48 | from discinfo import DiscInfo |
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| 49 | import cdrom |
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| 50 | |
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| 51 | class VCDInfo(DiscInfo): |
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| 52 | def __init__(self,device): |
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| 53 | DiscInfo.__init__(self) |
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| 54 | self.context = 'video' |
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| 55 | self.offset = 0 |
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| 56 | self.valid = self.isDisc(device) |
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| 57 | self.mime = 'video/vcd' |
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| 58 | self.type = 'CD' |
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| 59 | self.subtype = 'video' |
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| 60 | |
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| 61 | def isDisc(self, device): |
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| 62 | type = None |
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| 63 | if DiscInfo.isDisc(self, device) != 2: |
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| 64 | return 0 |
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| 65 | |
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| 66 | # brute force reading of the device to find out if it is a VCD |
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| 67 | f = open(device,'rb') |
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| 68 | f.seek(32768, 0) |
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| 69 | buffer = f.read(60000) |
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| 70 | f.close() |
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| 71 | |
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| 72 | if buffer.find('SVCD') > 0 and buffer.find('TRACKS.SVD') > 0 and \ |
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| 73 | buffer.find('ENTRIES.SVD') > 0: |
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| 74 | type = 'SVCD' |
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| 75 | |
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| 76 | elif buffer.find('INFO.VCD') > 0 and buffer.find('ENTRIES.VCD') > 0: |
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| 77 | type = 'VCD' |
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| 78 | |
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| 79 | else: |
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| 80 | return 0 |
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| 81 | |
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| 82 | # read the tracks to generate the title list |
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| 83 | device = open(device) |
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| 84 | (first, last) = cdrom.toc_header(device) |
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| 85 | |
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| 86 | lmin = 0 |
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| 87 | lsec = 0 |
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| 88 | |
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| 89 | num = 0 |
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| 90 | for i in range(first, last + 2): |
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| 91 | if i == last + 1: |
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| 92 | min, sec, frames = cdrom.leadout(device) |
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| 93 | else: |
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| 94 | min, sec, frames = cdrom.toc_entry(device, i) |
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| 95 | if num: |
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| 96 | vi = mediainfo.VideoInfo() |
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| 97 | # XXX add more static information here, it's also possible |
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| 98 | # XXX to scan for more informations like fps |
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| 99 | # XXX Settings to MPEG1/2 is a wild guess, maybe the track |
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| 100 | # XXX isn't playable at all (e.g. the menu) |
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| 101 | if type == 'VCD': |
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| 102 | vi.codec = 'MPEG1' |
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| 103 | else: |
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| 104 | vi.codec = 'MPEG2' |
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| 105 | vi.length = (min-lmin) * 60 + (sec-lsec) |
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| 106 | self.tracks.append(vi) |
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| 107 | num += 1 |
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| 108 | lmin, lsec = min, sec |
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| 109 | device.close() |
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| 110 | return 1 |
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| 111 | |
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| 112 | |
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| 113 | mmpython.registertype( 'video/vcd', mediainfo.EXTENSION_DEVICE, mediainfo.TYPE_AV, VCDInfo ) |
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