Rewritten (by Sjoerd again) to use module readcd
diff --git a/Demo/sgi/cd/playcd.py b/Demo/sgi/cd/playcd.py
index 349de7c..dc38ed9 100755
--- a/Demo/sgi/cd/playcd.py
+++ b/Demo/sgi/cd/playcd.py
@@ -1,81 +1,76 @@
-# Read CD audio data from the SCSI bus and play it back over the
-# built-in speaker or audio jack.
-
-import sys
-import al
-import AL
-import cd
-import CD
-
def playaudio(port, type, audio):
-## print 'playaudio'
port.writesamps(audio)
-callbacks = ['audio', 'pnum', 'index', 'ptime', 'atime', 'catalog', 'ident', 'control']
+def callback(arg, type, data):
+ print `type`,`data`
-def callback(port, type, data):
- print 'type', callbacks[type], 'data', `data`
+def triple((a, b, c)):
+ return zfill(a) + ':' + zfill(b) + ':' + zfill(c)
-Error = 'playcd.error'
+def zfill(n):
+ s = `n`
+ return '0' * (2 - len(s)) + s
+
+def prtrackinfo(info):
+ for i in range(len(info)):
+ start, total = info[i]
+ print 'Track', zfill(i+1), triple(start), triple(total)
+
+statedict = ['ERROR', 'NODISK', 'READY', 'PLAYING', 'PAUSED', 'STILL']
+
+def prstatus(status):
+ state, track, curtime, abstime, totaltime, first, last, \
+ scsi_audio, cur_block, dummy = status
+ print 'Status:',
+ if 0 <= state < len(statedict):
+ print statedict[state]
+ else:
+ print state
+ print 'Track: ', track
+ print 'Time: ', triple(curtime)
+ print 'Abs: ', triple(abstime)
+ print 'Total: ', triple(totaltime)
+ print 'First: ', first
+ print 'Last: ', last
+ print 'SCSI: ', scsi_audio
+ print 'Block: ', cur_block
+ print 'Future:', dummy
def main():
- player = cd.open()
- parser = cd.createparser()
-
- state, track, (min, sec, frame), (abs_min, abs_sec, abs_frame), \
- (total_min, total_sec, total_frame), \
- first, last, scsi_audio, \
- cur_block, (dum1, dum2, dum3) = player.getstatus()
- print state, track, (min, sec, frame), \
- (abs_min, abs_sec, abs_frame), \
- (total_min, total_sec, total_frame), \
- first, last, scsi_audio, \
- cur_block, (dum1, dum2, dum3)
-
- if state <> CD.READY:
- player.close()
- raise Error, 'CD not ready'
- if not scsi_audio:
- player.close()
- raise Error, 'not an audio-capable CD-ROM player'
-
- for i in range(first, last+1):
- trackinfo = player.gettrackinfo(i)
- print 'Track', i, trackinfo
-
- if sys.argv[1:]:
- print 'Start at track', sys.argv[1]
- player.seektrack(eval(sys.argv[1]))
-
- size = player.bestreadsize()
-
- oldparams = [AL.OUTPUT_RATE, 0]
- params = oldparams[:]
- al.getparams(AL.DEFAULT_DEVICE, oldparams)
- params[1] = AL.RATE_44100
+ import sys, readcd, al, string, AL, CD
+ r = readcd.Readcd().init()
+ prstatus(r.getstatus())
+ prtrackinfo(r.gettrackinfo())
+ l = []
+ for arg in sys.argv[1:]:
+ x = eval(arg)
+ try:
+ l = len(x)
+ r.appendstretch(x[0], x[1])
+ except TypeError:
+ r.appendtrack(x)
try:
+ oldparams = [AL.OUTPUT_RATE, 0]
+ params = oldparams[:]
+ al.getparams(AL.DEFAULT_DEVICE, oldparams)
+ params[1] = AL.RATE_44100
al.setparams(AL.DEFAULT_DEVICE, params)
config = al.newconfig()
config.setwidth(AL.SAMPLE_16)
config.setchannels(AL.STEREO)
port = al.openport('CD Player', 'w', config)
- parser.setcallback(CD.AUDIO, playaudio, port)
- for i in range(1, 8):
- parser.setcallback(i, callback, port)
- parser.removecallback(CD.ATIME)
- parser.removecallback(CD.PTIME)
+ for i in range(8):
+ r.setcallback(i, callback, None)
+ r.removecallback(CD.PTIME)
+ r.removecallback(CD.ATIME)
+ r.setcallback(CD.AUDIO, playaudio, port)
- while 1:
- frames = player.readda(size)
- if frames == '':
- break
- parser.parseframe(frames)
+ data = r.play()
except KeyboardInterrupt:
pass
-
al.setparams(AL.DEFAULT_DEVICE, oldparams)
- player.close()
- parser.deleteparser()
+ r.player.close()
+ r.parser.deleteparser()
main()