* morituri/image/table.py:
* morituri/image/toc.py: Delete old code.
This commit is contained in:
Thomas Vander Stichele
@@ -1,3 +1,9 @@
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2009-05-06 Thomas Vander Stichele <thomas at apestaart dot org>
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* morituri/image/table.py:
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* morituri/image/toc.py:
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Delete old code.
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2009-05-06 Thomas Vander Stichele <thomas at apestaart dot org>
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* morituri/image/toc.py:
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@@ -31,172 +31,6 @@ import gst
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from morituri.common import task, checksum, common, log
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from morituri.test import common as tcommon
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class DeleteMeTrack:
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"""
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I represent a track entry in a Table of Contents.
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@ivar number: track number (1-based)
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@type number: int
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@ivar start: start of track, in CD frames (0-based)
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@type start: int
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@ivar end: end of track, in CD frames (0-based)
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@type end: int
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@ivar audio: whether the track is audio
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@type audio: bool
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"""
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number = None
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start = None
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end = None
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audio = True
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def __repr__(self):
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return '<Track %02d>' % self.number
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def __init__(self, number, start, end, audio=True):
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self.number = number
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self.start = start
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self.end = end
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self.audio = audio
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class DeleteMeTable:
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"""
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I represent the Table of Contents of a CD.
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@ivar tracks: tracks on this CD
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@type tracks: list of L{Track}
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"""
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tracks = None # list of Track
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def __init__(self, tracks=None):
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if not tracks:
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tracks = []
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self.tracks = tracks
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def getTrackStart(self, number):
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"""
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@param number: the track number, 1-based
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@type number: int
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@returns: the start of the given track number, in CD frames
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@rtype: int
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"""
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return self.tracks[number - 1].start
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def getTrackEnd(self, number):
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"""
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@param number: the track number, 1-based
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@type number: int
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@returns: the end of the given track number, in CD frames
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@rtype: int
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"""
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return self.tracks[number - 1].end
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def getTrackLength(self, number):
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"""
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@param number: the track number, 1-based
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@type number: int
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@returns: the length of the given track number, in CD frames
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@rtype: int
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"""
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track = self.tracks[number - 1]
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return track.end - track.start + 1
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def getAudioTracks(self):
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"""
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@returns: the number of audio tracks on the CD
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@rtype: int
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"""
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return len([t for t in self.tracks if t.audio])
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def _cddbSum(self, i):
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ret = 0
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while i > 0:
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ret += (i % 10)
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i /= 10
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return ret
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def getCDDBDiscId(self):
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"""
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Calculate the CDDB disc ID.
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@rtype: str
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@returns: the 8-character hexadecimal disc ID
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"""
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# cddb disc id takes into account data tracks
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# last byte is the number of tracks on the CD
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n = 0
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for track in self.tracks:
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# CD's have a standard lead-in time of 2 seconds
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# which gets added for CDDB disc id's
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offset = self.getTrackStart(track.number) + \
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2 * checksum.FRAMES_PER_SECOND
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seconds = offset / checksum.FRAMES_PER_SECOND
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n += self._cddbSum(seconds)
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last = self.tracks[-1]
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leadout = self.getTrackEnd(last.number)
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frameLength = leadout - self.getTrackStart(1)
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t = frameLength / checksum.FRAMES_PER_SECOND
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value = (n % 0xff) << 24 | t << 8 | len(self.tracks)
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return "%08x" % value
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def getAccurateRipIds(self):
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"""
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Calculate the two AccurateRip ID's.
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@returns: the two 8-character hexadecimal disc ID's
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@rtype: tuple of (str, str)
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"""
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# AccurateRip does not take into account data tracks,
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# but does count the data track to determine the leadout offset
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discId1 = 0
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discId2 = 0
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for track in self.tracks:
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if not track.audio:
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continue
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offset = self.getTrackStart(track.number)
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discId1 += offset
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discId2 += (offset or 1) * track.number
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# also add end values, where leadout offset is one past the end
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# of the last track
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last = self.tracks[-1]
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offset = self.getTrackEnd(last.number) + 1
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discId1 += offset
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discId2 += offset * (self.getAudioTracks() + 1)
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discId1 &= 0xffffffff
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discId2 &= 0xffffffff
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return ("%08x" % discId1, "%08x" % discId2)
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def getAccurateRipURL(self):
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"""
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Return the full AccurateRip URL.
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@returns: the AccurateRip URL
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@rtype: str
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"""
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discId1, discId2 = self.getAccurateRipIds()
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return "http://www.accuraterip.com/accuraterip/" \
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"%s/%s/%s/dBAR-%.3d-%s-%s-%s.bin" % (
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discId1[-1], discId1[-2], discId1[-3],
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len(self.tracks), discId1, discId2, self.getCDDBDiscId())
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class ITTrack:
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"""
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I represent a track entry in an IndexTable.
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@@ -256,49 +256,3 @@ class File:
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def __repr__(self):
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return '<File "%s">' % (self.path, )
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# FIXME: add type ? separate AUDIO from others
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class DeleteMeTrack:
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"""
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I represent a track in a cue file.
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I have index points.
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Each index point is linked to an audio file.
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@ivar number: track number
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@type number: int
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"""
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def __init__(self, number):
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if number < 1 or number > 99:
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raise IndexError, "Track number must be from 1 to 99"
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self.number = number
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self._indexes = {} # index number -> (sector, File)
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self.title = None
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self.performer = None
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def __repr__(self):
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return '<Track %02d with %d indexes>' % (self.number,
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len(self._indexes.keys()))
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def index(self, number, sector, file):
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"""
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Add the given index to the current track.
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@type file: L{File}
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"""
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if number in self._indexes.keys():
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raise KeyError, "index %d already in track %d" % (
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number, self.number)
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if number < 0 or number > 99:
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raise IndexError, "Index number must be from 0 to 99"
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self._indexes[number] = (sector, file)
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def getIndex(self, number):
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"""
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@rtype: tuple of (int, File)
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"""
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return self._indexes[number]
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