class AudioBuffer(QtCore.QObject):
new_data_available = QtCore.pyqtSignal(np.ndarray)
def __init__(self):
super().__init__()
self.ringbuffer = RingBuffer()
self.newpoints = 0
self.lastDataTime = 0.
def data(self, length):
return self.ringbuffer.data(length)
def data_older(self, length, delay_samples):
return self.ringbuffer.data_older(length, delay_samples)
def newdata(self):
return self.data(self.newpoints)
def set_newdata(self, newpoints):
self.newpoints = newpoints
def data_indexed(self, start, length):
return self.ringbuffer.data_indexed(start, length)
def handle_new_data(self, floatdata, input_time, status):
self.ringbuffer.push(floatdata)
self.set_newdata(floatdata.shape[1])
self.new_data_available.emit(floatdata)
self.lastDataTime = input_time
class AudioBuffer(QtCore.QObject):
new_data_available = QtCore.pyqtSignal(np.ndarray)
def __init__(self, logger):
super().__init__()
self.ringbuffer = RingBuffer(logger)
self.newpoints = 0
self.lastDataTime = 0.
def data(self, length):
return self.ringbuffer.data(length)
def data_older(self, length, delay_samples):
return self.ringbuffer.data_older(length, delay_samples)
def newdata(self):
return self.data(self.newpoints)
def set_newdata(self, newpoints):
self.newpoints = newpoints
def data_indexed(self, start, length):
return self.ringbuffer.data_indexed(start, length)
def handle_new_data(self, floatdata, input_time, status):
self.ringbuffer.push(floatdata)
self.set_newdata(floatdata.shape[1])
self.new_data_available.emit(floatdata)
self.lastDataTime = input_time
l = 1024 Nb = int(Ns/l) print "Nb =", Nb rb = RingBuffer() rb.data(Ns) # grow the buffer as needed # split in two to test zero-length insertions Nb0 = Nb/2 print "Nb0 =", Nb0, "Nb1 =", Nb - Nb0 print "pushing first parts" for i in range(Nb0): rb.push(x[:,i*l:(i+1)*l]) print "pushing an empty array", x[:,0:0].shape rb.push(x[:,0:0]) print "pushing second parts" for i in range(Nb0,Nb): rb.push(x[:,i*l:(i+1)*l]) print "pushing leftovers" rb.push(x[:,Nb*l:]) print "retrieving" y = rb.data(Ns) print x.shape, y.shape
