mirror of
https://github.com/python/cpython.git
synced 2025-10-31 05:31:20 +00:00
51 lines
983 B
Python
Executable file
51 lines
983 B
Python
Executable file
# Play old style sound files (Guido's private format)
|
|
|
|
import al, sys, time
|
|
import AL
|
|
|
|
BUFSIZE = 8000
|
|
|
|
def main():
|
|
if len(sys.argv) < 2:
|
|
f = sys.stdin
|
|
filename = sys.argv[0]
|
|
else:
|
|
if len(sys.argv) <> 2:
|
|
sys.stderr.write('usage: ' + \
|
|
sys.argv[0] + ' filename\n')
|
|
sys.exit(2)
|
|
filename = sys.argv[1]
|
|
f = open(filename, 'r')
|
|
#
|
|
magic = f.read(4)
|
|
extra = ''
|
|
if magic == '0008':
|
|
rate = 8000
|
|
elif magic == '0016':
|
|
rate = 16000
|
|
elif magic == '0032':
|
|
rate = 32000
|
|
else:
|
|
sys.stderr.write('no magic header; assuming 8k samples/sec.\n')
|
|
rate = 8000
|
|
extra = magic
|
|
#
|
|
pv = [AL.OUTPUT_RATE, rate]
|
|
al.setparams(AL.DEFAULT_DEVICE, pv)
|
|
c = al.newconfig()
|
|
c.setchannels(AL.MONO)
|
|
c.setwidth(AL.SAMPLE_8)
|
|
port = al.openport(filename, 'w', c)
|
|
if extra:
|
|
port.writesamps(extra)
|
|
while 1:
|
|
buf = f.read(BUFSIZE)
|
|
if not buf: break
|
|
port.writesamps(buf)
|
|
while port.getfilled() > 0:
|
|
time.sleep(0.1)
|
|
|
|
try:
|
|
main()
|
|
except KeyboardInterrupt:
|
|
sys.exit(1)
|