144 lines
3.5 KiB
Python
Executable File
144 lines
3.5 KiB
Python
Executable File
# Read CD audio data from the SCSI CD player and send it as UDP
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# packets to "readcd.py" on another host.
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# Option:
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# "-l" lists track info and quits.
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# "-s" displays status and quits.
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import cd
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import sys
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from socket import *
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import getopt
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HOST = 'voorn.cwi.nl' # The host where readcd.py is run
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PORT = 50505 # Must match the port in readcd.py
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def main():
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try:
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optlist, args = getopt.getopt(sys.argv[1:], 'ls')
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except getopt.error, msg:
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sys.stderr.write(msg + '\n')
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sys.exit(2)
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player = cd.open()
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prstatus(player)
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size = player.bestreadsize()
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if optlist:
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for opt, arg in optlist:
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if opt == '-l':
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prtrackinfo(player)
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elif opt == '-s':
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prstatus(player)
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return
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sys.stdout.write('waiting for socket... ')
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sys.stdout.flush()
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port = socket(AF_INET, SOCK_DGRAM)
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port.connect(HOST, PORT)
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print 'socket connected'
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parser = cd.createparser()
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parser.setcallback(0, audiocallback, port)
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parser.setcallback(1, pnumcallback, player)
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parser.setcallback(2, indexcallback, None)
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## 3 = ptime: too many calls
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## 4 = atime: too many calls
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parser.setcallback(5, catalogcallback, None)
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parser.setcallback(6, identcallback, None)
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parser.setcallback(7, controlcallback, None)
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if len(args) >= 2:
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if len(args) >= 3:
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[min, sec, frame] = args[:3]
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else:
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[min, sec] = args
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frame = 0
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min, sec, frame = eval(min), eval(sec), eval(frame)
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print 'Seek to', triple(min, sec, frame)
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dummy = player.seek(min, sec, frame)
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elif len(args) == 1:
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track = eval(args[0])
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print 'Seek to track', track
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dummy = player.seektrack(track)
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else:
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min, sec, frame = player.getstatus()[5:8]
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print 'Try to seek back to', triple(min, sec, frame)
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try:
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player.seek(min, sec, frame)
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except RuntimeError:
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print 'Seek failed'
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try:
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while 1:
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frames = player.readda(size)
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if frames == '':
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print 'END OF CD'
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break
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parser.parseframe(frames)
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except KeyboardInterrupt:
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print '[Interrupted]'
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pass
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def prtrackinfo(player):
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info = []
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while 1:
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try:
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info.append(player.gettrackinfo(len(info) + 1))
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except RuntimeError:
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break
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for i in range(len(info)):
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start_min, start_sec, start_frame, \
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total_min, total_sec, total_frame = info[i]
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print 'Track', zfill(i+1), \
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triple(start_min, start_sec, start_frame), \
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triple(total_min, total_sec, total_frame)
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def audiocallback(port, type, data):
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## sys.stdout.write('#')
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## sys.stdout.flush()
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port.send(data)
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def pnumcallback(player, type, data):
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print 'pnum =', `data`
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prstatus(player)
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def indexcallback(arg, type, data):
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print 'index =', `data`
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def catalogcallback(arg, type, data):
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print 'catalog =', `data`
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def identcallback(arg, type, data):
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print 'ident =', `data`
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def controlcallback(arg, type, data):
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print 'control =', `data`
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statedict = ['ERROR', 'NODISK', 'READY', 'PLAYING', 'PAUSED', 'STILL']
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def prstatus(player):
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state, track, min, sec, frame, abs_min, abs_sec, abs_frame, \
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total_min, total_sec, total_frame, first, last, scsi_audio, \
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cur_block, dum1, dum2, dum3 = player.getstatus()
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print 'Status:',
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if 0 <= state < len(statedict):
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print statedict[state]
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else:
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print state
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print 'Track: ', track
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print 'Time: ', triple(min, sec, frame)
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print 'Abs: ', triple(abs_min, abs_sec, abs_frame)
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print 'Total: ', triple(total_min, total_sec, total_frame)
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print 'First: ', first
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print 'Last: ', last
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print 'SCSI: ', scsi_audio
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print 'Block: ', cur_block
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print 'Future:', (dum1, dum2, dum3)
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def triple(a, b, c):
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return zfill(a) + ':' + zfill(b) + ':' + zfill(c)
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def zfill(n):
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s = `n`
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return '0' * (2 - len(s)) + s
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