def xInit(self, signals, noises, sinks):
# ------------------------------------------------------------------------
self.sources = {}
self.mutes = {}
self.amps = {}
#sources
for signal in signals:
self.sources[signal] = gr.sig_source_f(
self.samprate, gr.GR_SIN_WAVE, 440, 0.25, 0)
self.mutes[signal] = gr.mute_ff(True)
self.amps[signal] = gr.multiply_const_ff(0.25)
for noise in noises:
self.sources[noise] = analog.noise_source_f(
analog.GR_LAPLACIAN, 1, 0)
self.mutes[noise] = gr.mute_ff(True)
self.amps[noise] = gr.multiply_const_ff(0.25)
#mixer
if len(self.sources) > 1:
self.adder = self.add = gr.add_vff(1)
else:
self.adder = gr.multiply_const_vff((1, ))
self.level = gr.multiply_const_ff(1)
#sinks
self.sinks = sinks
self.audiomute = gr.mute_ff(True)
self.audio = audio.sink(self.samprate, "", True)
self.udp = gr.null_sink(gr.sizeof_float)
self.rawfile = gr.null_sink(gr.sizeof_float)
self.wavefile = gr.null_sink(gr.sizeof_float)
def __init__(self, controller, muted=True):
# ------------------------------------------------------------------------
super(AudioSourceAdapter, self).__init__()
self.controller = controller
self.samprate = controller.samprate
self.source = audio.source(self.samprate, "", True)
self.mute = gr.mute_ff(muted)
def __init__(self, controller, filename="", muted=True):
# ------------------------------------------------------------------------
super(FileSourceAdapter, self).__init__()
self.controller = controller
self.samprate = controller.samprate
if filename:
self.source = gr.file_source(gr.sizeof_float, filename, True)
else:
self.source = gr.null_source(gr.sizeof_float)
self.mute = gr.mute_ff(muted)
def __init__(self, controller, ac_couple_key, sample_rate_key):
gr.hier_block2.__init__(
self,
"ac_couple",
gr.io_signature(1, 1, gr.sizeof_float),
gr.io_signature(1, 1, gr.sizeof_float),
)
#blocks
lpf = gr.single_pole_iir_filter_ff(0.0)
sub = gr.sub_ff()
mute = gr.mute_ff()
#connect
self.connect(self, sub, self)
self.connect(self, lpf, mute, (sub, 1))
#subscribe
controller.subscribe(ac_couple_key, lambda x: mute.set_mute(not x))
controller.subscribe(sample_rate_key, lambda x: lpf.set_taps(0.05))
#initialize
controller[ac_couple_key] = controller[ac_couple_key]
controller[sample_rate_key] = controller[sample_rate_key]
def __init__(self, controller, ac_couple_key, ac_couple, sample_rate_key): gr.hier_block2.__init__( self, "ac_couple", gr.io_signature(1, 1, gr.sizeof_float), gr.io_signature(1, 1, gr.sizeof_float), ) #blocks lpf = gr.single_pole_iir_filter_ff(0.0) sub = gr.sub_ff() mute = gr.mute_ff() #connect self.connect(self, sub, self) self.connect(self, lpf, mute, (sub, 1)) #subscribe controller.subscribe(ac_couple_key, lambda x: mute.set_mute(not x)) controller.subscribe(sample_rate_key, lambda x: lpf.set_taps(2.0/x)) #initialize controller[ac_couple_key] = ac_couple controller[sample_rate_key] = controller[sample_rate_key]
def __init__(self, controller, address="", muted=True):
# ------------------------------------------------------------------------
super(UdpSourceAdapter, self).__init__()
self.controller = controller
self.source = self.xUdpSource(address) or self.xNullSource()
self.mute = gr.mute_ff(muted)