3 """Outputs a long-form cddb discid given a cue file as input"""
9 if sys.version_info > (3,):
12 FRAMES_PER_SECOND = 75
13 SAMPLES_PER_SECOND = 44100
14 SAMPLES_PER_FRAME = SAMPLES_PER_SECOND // FRAMES_PER_SECOND
18 pregapRegex = re.compile(r'PREGAP (?P<min>\d+):(?P<sec>\d\d):(?P<frame>\d\d)')
19 startTrackRegex = re.compile(r'INDEX 01 (?P<min>\d+):(?P<sec>\d\d):(?P<frame>\d\d)')
20 leadInRegex = re.compile(r'REM FLAC__lead-in (?P<sample>\d+)')
21 leadOutRegex = re.compile(r'REM FLAC__lead-out 170 (?P<sample>\d+)')
22 raw_framelist = list()
27 def cddb_sum(trackseconds):
34 return sum(digits(trackseconds))
36 for line in fileinput.input():
37 pregapMatch = pregapRegex.search(line)
39 pregap = (int((pregapMatch.group('min')) * 60) + int(pregapMatch.group('sec'))) * FRAMES_PER_SECOND + int(pregapMatch.group('frame'))
42 startTrackMatch = startTrackRegex.search(line)
45 currentTrackFrame = ((int(startTrackMatch.group('min')) * 60) + int(startTrackMatch.group('sec'))) * FRAMES_PER_SECOND + int(startTrackMatch.group('frame'))
46 raw_framelist.append(currentTrackFrame)
49 leadInMatch = leadInRegex.search(line)
51 leadInFrame = long(leadInMatch.group('sample')) // SAMPLES_PER_FRAME
54 leadOutMatch = leadOutRegex.search(line)
56 leadOutFrame_raw = long(leadOutMatch.group('sample')) // SAMPLES_PER_FRAME
59 leadOutFrame = leadOutFrame_raw + leadInFrame
61 framelist = [i + leadInFrame + pregap for i in raw_framelist]
63 secondslist = [i//FRAMES_PER_SECOND for i in framelist]
65 n = long(sum(map(cddb_sum, secondslist)))
66 t = int(leadOutFrame/FRAMES_PER_SECOND - framelist[0]/FRAMES_PER_SECOND)
67 print("%08x %s %s %s" % ((((n % 0xff) << 24) | (t << 8) | numTracks), numTracks,
68 " ".join([str(i) for i in framelist]),
69 int(leadOutFrame/FRAMES_PER_SECOND)))