mirror of https://github.com/python/cpython
103 lines
2.6 KiB
Python
Executable File
103 lines
2.6 KiB
Python
Executable File
# Play CD audio on speaker or headphones.
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callbacktypes = ['audio','pnum','index','ptime','atime','catalog','ident','control']
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def playaudio(port, type, audio):
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port.writesamps(audio)
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def prtrack(cdinfo, type, pnum):
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if cdinfo.track[pnum] <> '':
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print 'playing "' + cdinfo.track[pnum] + '"'
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else:
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print callbacktypes[type]+': '+`pnum`
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def callback(arg, type, data):
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print callbacktypes[type]+': '+`data`
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def tcallback(arg, type, data):
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print callbacktypes[type]+': '+triple(data)
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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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def prtrackinfo(info):
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for i in range(len(info)):
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start, total = info[i]
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print 'Track', zfill(i+1), triple(start), triple(total)
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statedict = ['ERROR', 'NODISK', 'READY', 'PLAYING', 'PAUSED', 'STILL']
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def prstatus(status):
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state, track, curtime, abstime, totaltime, first, last, \
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scsi_audio, cur_block, dummy = status
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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(curtime)
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print 'Abs: ', triple(abstime)
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print 'Total: ', triple(totaltime)
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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:', dummy
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def main():
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import sys, readcd, al, AL, cd, cdplayer
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verbose = 0
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r = readcd.Readcd()
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prstatus(r.getstatus())
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prtrackinfo(r.gettrackinfo())
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cdinfo = cdplayer.Cdplayer(r.gettrackinfo())
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if cdinfo.title <> '':
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print 'Title: "' + cdinfo.title + '"'
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if cdinfo.artist <> '':
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print 'Artist: ' + cdinfo.artist
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for arg in sys.argv[1:]:
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if arg == '-v':
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verbose = 1
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continue
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x = eval(arg)
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try:
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l = len(x)
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r.appendstretch(x[0], x[1])
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except TypeError:
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r.appendtrack(x)
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try:
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oldparams = [AL.OUTPUT_RATE, 0]
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params = oldparams[:]
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al.getparams(AL.DEFAULT_DEVICE, oldparams)
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params[1] = AL.RATE_44100
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al.setparams(AL.DEFAULT_DEVICE, params)
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config = al.newconfig()
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config.setwidth(AL.SAMPLE_16)
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config.setchannels(AL.STEREO)
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port = al.openport('CD Player', 'w', config)
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for i in range(8):
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r.setcallback(i, callback, None)
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if verbose:
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r.setcallback(cd.ptime, tcallback, None)
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r.setcallback(cd.atime, tcallback, None)
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else:
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r.removecallback(cd.ptime)
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r.removecallback(cd.atime)
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r.setcallback(cd.pnum, prtrack, cdinfo)
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r.setcallback(cd.audio, playaudio, port)
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data = r.play()
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except KeyboardInterrupt:
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status = r.getstatus()
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print 'Interrupted at '+triple(status[2])+' into track '+ \
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`status[1]`+' (absolute time '+triple(status[3])+')'
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al.setparams(AL.DEFAULT_DEVICE, oldparams)
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main()
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