def test_port_rename(jack_client, porttype, flags, name):
port = jacklib.port_register(jack_client, name, porttype, flags, 0)
if not port:
raise OSError(f"Could not register port {name}.")
assert jacklib.port_short_name(port) == name
res = jacklib.port_rename(jack_client, port, "renamed")
assert res == 0
assert jacklib.port_short_name(port) == "renamed"
def test_port_rename_not_supported(jack_client):
port = jacklib.port_register(jack_client, "output",
jacklib.JACK_DEFAULT_AUDIO_TYPE,
jacklib.JackPortIsOutput, 0)
if not port:
raise OSError(f"Could not register port {name}.")
jacklib.jlib.jack_port_rename = None
assert jacklib.port_short_name(port) == "output"
res = jacklib.port_rename(jack_client, port, "renamed")
assert res == -1
assert jacklib.port_short_name(port) == "output"
def __init__(self,configd=None):
"""Create a VNA object"""
if configd is None: configd = config.__dict__
self.printlevel = configd['printlevel']
self.fftn = configd['fftn']
self.amp = configd['amp']
self.warmuptime = configd['warmuptime']
self.cooldowntime = configd['cooldowntime']
self.docapture = threading.Event()
self.docapture.set()
self.xrun = threading.Event()
self.xrun.clear()
self.startframe = 0
#self.jackclient = jacklib.client_open("pysdrvna", jacklib.JackNoStartServer | jacklib.JackSessionID, None)
self.jackclient = jacklib.client_open("pysdrvna", jacklib.JackSessionID, None)
try:
self.jackclient.contents
except:
print("Problems with Jack")
return
#raise
self.iI = jacklib.port_register(self.jackclient,"iI", jacklib.JACK_DEFAULT_AUDIO_TYPE, jacklib.JackPortIsInput, 0)
self.iQ = jacklib.port_register(self.jackclient,"iQ", jacklib.JACK_DEFAULT_AUDIO_TYPE, jacklib.JackPortIsInput, 0)
self.oI = jacklib.port_register(self.jackclient,"oI", jacklib.JACK_DEFAULT_AUDIO_TYPE, jacklib.JackPortIsOutput, 0)
self.oQ = jacklib.port_register(self.jackclient,"oQ", jacklib.JACK_DEFAULT_AUDIO_TYPE, jacklib.JackPortIsOutput, 0)
jacklib.set_process_callback(self.jackclient, self.JackProcess, 0)
jacklib.set_xrun_callback(self.jackclient, self.JackXrun, 0)
jacklib.activate(self.jackclient)
jacklib.connect(self.jackclient,"pysdrvna:oQ", configd['outQ'])
jacklib.connect(self.jackclient,"pysdrvna:oI", configd['outI'])
jacklib.connect(self.jackclient,configd['inQ'],"pysdrvna:iQ")
jacklib.connect(self.jackclient,configd['inI'],"pysdrvna:iI")
self.Sr = float(jacklib.get_sample_rate(self.jackclient))
self.dt = 1.0/self.Sr
## Align frequency to nearest bin
self.fftbin = int(round((configd['freq']/self.Sr)*self.fftn))
self.freq = (float(self.fftbin)/self.fftn) * self.Sr
## Windowing function
#self.fftwindow = np.blackman(self.fftn)
self.fftwindow = np.hanning(self.fftn)
#self.fftwindow = np.kaiser(self.fftn,14)
#self.fftwindow = np.hamming(self.fftn)
#self.fftwindow = np.bartlett(self.fftn)
#self.fftwindow = None
## Latency settings
jlr = jacklib.jack_latency_range_t()
jacklib.port_get_latency_range(self.oI,jacklib.JackPlaybackLatency,jlr)
self.minrtframes = jlr.min
jacklib.port_get_latency_range(self.iI,jacklib.JackCaptureLatency,jlr)
self.minrtframes += jlr.min
# The above code does not always work
# Reasonable estimate is 3 times the buffer size
## Compute initial array length
self.buffersz = int(jacklib.get_buffer_size(self.jackclient))
if self.minrtframes < (3*self.buffersz):
self.minrtframes = 3 * self.buffersz
## rtframes is the round trip audio latency, or when the received audio signal will start
self.rtframes = configd['rtframes'] if configd['rtframes'] else self.minrtframes
## delta from rtframes to phase shift sync in frames
self.rtframes2sync = configd['rtframes2sync']
## delta from phase shift sync to fft start in frames
self.sync2fft = configd['sync2fft']
## delta from end of fft to end of audio
self.fft2end = configd['fft2end']
if configd['rtframes'] is None:
## Loose fit if estimating based on minrtframes
buffers, remainder = divmod((2*self.rtframes) + self.rtframes2sync + self.sync2fft + self.fftn + self.fft2end,self.buffersz)
else:
## Tight fit if rtframes is defined
buffers, remainder = divmod(self.rtframes + self.rtframes2sync + self.sync2fft + self.fftn + self.fft2end,self.buffersz)
if remainder > 0: buffers = buffers + 1
self.synci = self.rtframes
self.InitJackArrays(self.freq,buffers*self.buffersz)
self.fftia = pyfftw.n_byte_align_empty(self.fftn, 16, 'complex128')
self.fftoa = pyfftw.n_byte_align_empty(self.fftn, 16, 'complex128')
## Create FFT Plan
self.fft = pyfftw.FFTW(self.fftia,self.fftoa)
self.OpenSoftRock()
self.Info()
elif len(data) == 3:
jack_midi_in_data.put_nowait((data[0], data[1], data[2]))
if jack_midi_in_data.full():
break
del event
except Exception as e:
print e
return 0
if __name__ == "__main__":
# Start jack
jack_client = jacklib.client_open("Floppy Drive", jacklib.NullOption, 0)
jack_midi_in_port = jacklib.port_register(jack_client, "midi", jacklib.DEFAULT_MIDI_TYPE, jacklib.PortIsInput, 0)
jacklib.set_process_callback(jack_client, jack_process_callback, 0)
jacklib.activate(jack_client)
floppy = Floppy(port=sys.argv[1], reset=True)
noteplaying = None
while 1:
try:
mode, noteid, velo = jack_midi_in_data.get(True, 1)
note = Note(noteid)
if (mode & MIDI_MASK) == MIDI_NOTEON:
floppy.play(note)
noteplaying = note