def main(argv):
plot = False
if "plot" in argv:
import subprocess
argv.pop(argv.index("plot"))
plot = True
wave_path = argv[1]
if not os.path.isfile(wave_path):
return usage(argv)
if not os.path.exists("/tmp/cfdg"):
os.mkdir("/tmp/cfdg")
base_path = "/tmp/cfdg/%s" % '.'.join(os.path.basename(wave_path).split('.')[:-1])
if plot:
ostats = [ ]
for i in xrange(4):
ostats.append(open("/tmp/pycf%d" % i, "w"))
ofluid_stats = []
for i in xrange(4):
ofluid_stats.append(open("/tmp/pycf%d_fluid" % i, "w"))
shape = triburn()
filters = dsp()
try:
frames_per_buffer = 44100 / 25
input_stream = wave_file(wave_path)
while True:
data = input_stream.read(frames_per_buffer)
stats = filters.gen(data)
fluid_stats.impulse(stats)
open("%s_%05d.cfdg" % (base_path, idx), "w").write(
shape.get(stats[:4], None)
)
if plot:
for i in xrange(4):
ostats[i].write("%f\n" % stats[i])
ofluid_stats[i].write("%f\n" % fluid_stats[i])
except KeyboardInterrupt:
pass
if plot:
p = subprocess.Popen("gnuplot", stdin=subprocess.PIPE)
cmd = ["plot"]
for i in [1,2,3]:
# cmd.append("'/tmp/pycf%d' with lines," % i)
cmd.append("'/tmp/pycf%d_fluid' with lines," % i)
cmd[-1] = cmd[-1][:-1]
p.stdin.write(" ".join(cmd)+"\n")
raw_input("press enter when done")
p.terminate()
def run(self):
import os
try:
os.nice(-5)
except OSError:
print("Could not set high priority on audio processing, "
"beware of input overflow")
self.dsp = dsp()
self.p = pyaudio.PyAudio()
if os.path.isfile(self.input_fd):
self.input_stream = wave_file(self.input_fd)
self.check_input_stream()
print("Input stream: '%s' format %d bytes, rate %d Hz, "
"%d channels" % (
self.input_fd,
self.input_stream.format,
self.input_stream.rate,
self.input_stream.channels))
print("Opening Output stream: '%s'" %
self.get_device_name(self.output_device_index))
self.output_stream = self.open_stream(output=True)
# self.output_stream = None
else:
print("Opening Input stream: '%s' paInt16 %d Hz stream of "
"%d size" % (
self.get_device_name(self.input_fd),
self.rate, self.frames_per_buffer))
self.input_stream = self.open_stream(input=True)
self.output_stream = None
while True:
try:
self.process()
except IOError as e:
print("IOError:", e)
# except Full as e:
# print("The queue is full!")
except KeyboardInterrupt:
break
print("Closing streams")
self.input_stream.close()
if self.output_stream:
self.output_stream.close()
self.p.terminate()
