def test_local_app_in_out():
# connect Node.output to Node.input
# so copy inaudio buffer to out audio buffer
app = pg.mkQApp()
dev = PyAudio()
dev.configure(nb_channel=2,
sample_rate=44100.,
input_device_index=0,
output_device_index=0,
format='int16',
chunksize=1024)
dev.output.configure(protocol='tcp',
interface='127.0.0.1',
transfermode='plaindata')
dev.input.connect(dev.output)
dev.initialize()
dev.start()
def terminate():
dev.stop()
dev.close()
app.quit()
# start for a while
timer = QtCore.QTimer(singleShot=True, interval=3000)
timer.timeout.connect(terminate)
timer.start()
app.exec_()
def test_local_app_in_out():
# connect Node.output to Node.input
# so copy inaudio buffer to out audio buffer
app = pg.mkQApp()
dev = PyAudio()
dev.configure(nb_channel=2, sample_rate=44100.,
input_device_index=0, output_device_index=0,
format='int16', chunksize=1024)
dev.output.configure(protocol='tcp', interface='127.0.0.1', transfertmode='plaindata')
dev.input.connect(dev.output)
dev.initialize()
dev.start()
def terminate():
dev.stop()
dev.close()
app.quit()
# start for a while
timer = QtCore.QTimer(singleShot=True, interval=3000)
timer.timeout.connect(terminate)
timer.start()
app.exec_()
"""
Simple demonstration of streaming data from a PyAudio device to a QOscilloscope
viewer.
Both device and viewer nodes are created locally without a manager.
"""
from pyacq.devices.audio_pyaudio import PyAudio
from pyacq.viewers import QTriggeredOscilloscope
import pyqtgraph as pg
# Start Qt application
app = pg.mkQApp()
# Create PyAudio device node
dev = PyAudio()
# Print a list of available input devices (but ultimately we will just use the
# default device).
default_input = dev.default_input_device()
print("\nAvaliable devices:")
for device in dev.list_device_specs():
index = device['index']
star = "*" if index == default_input else " "
print(" %s %d: %s" % (star, index, device['name']))
# Configure PyAudio device with a single (default) input channel.
dev.configure(nb_channel=1,
sample_rate=44100.,
input_device_index=default_input,
format='int16',
viewer.
Both device and viewer nodes are created locally without a manager.
"""
from pyacq.devices.audio_pyaudio import PyAudio
from pyacq.viewers import QOscilloscope
import pyqtgraph as pg
# Start Qt application
app = pg.mkQApp()
# Create PyAudio device node
dev = PyAudio()
# Print a list of available input devices (but ultimately we will just use the
# default device).
default_input = dev.default_input_device()
print("\nAvaliable devices:")
for device in dev.list_device_specs():
index = device['index']
star = "*" if index == default_input else " "
print(" %s %d: %s" % (star, index, device['name']))
# Configure PyAudio device with a single (default) input channel.
dev.configure(nb_channel=1, sampling_rate=44100., input_device_index=default_input,
format='int16', chunksize=1024)
dev.output.configure(protocol='tcp', interface='127.0.0.1', transfertmode='plaindata')
dev.initialize()
