diff options
Diffstat (limited to 'Demo/sgi/audio/play.py')
-rwxr-xr-x | Demo/sgi/audio/play.py | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/Demo/sgi/audio/play.py b/Demo/sgi/audio/play.py new file mode 100755 index 0000000..adc7625 --- /dev/null +++ b/Demo/sgi/audio/play.py @@ -0,0 +1,75 @@ +#! /usr/local/python + +import sys +import audio + +import string +import getopt +import auds + +debug = [] + +DEF_RATE = 3 + +def main(): + # + gain = 100 + rate = 0 + starter = audio.write + stopper = 0 + # + optlist, args = getopt.getopt(sys.argv[1:], 'adg:r:') + # + for optname, optarg in optlist: + if 0: + pass + elif optname == '-d': + debug.append(1) + elif optname == '-g': + gain = string.atoi(optarg) + if not (0 < gain < 256): + raise optarg.error, '-g gain out of range' + elif optname == '-r': + rate = string.atoi(optarg) + if not (1 <= rate <= 3): + raise optarg.error, '-r rate out of range' + elif optname == '-a': + starter = audio.start_playing + stopper = audio.wait_playing + # + audio.setoutgain(gain) + audio.setrate(rate) + # + if not args: + play(starter, rate, auds.loadfp(sys.stdin)) + else: + real_stopper = 0 + for file in args: + if real_stopper: + real_stopper() + play(starter, rate, auds.load(file)) + real_stopper = stopper + +def play(starter, rate, data): + magic = data[:4] + if magic == '0008': + mrate = 3 + elif magic == '0016': + mrate = 2 + elif magic == '0032': + mrate = 1 + else: + mrate = 0 + if mrate: + data = data[4:] + else: + mrate = DEF_RATE + if not rate: rate = mrate + audio.setrate(rate) + starter(data) + +try: + main() +finally: + audio.setoutgain(0) + audio.done() |