def draw(self):
ol.loadIdentity3()
ol.loadIdentity()
# Grab the raw audio buffers
mono = audio_engine.left_buffer()
# mono = np.zeros(512)
# Make sure they aren't empty!!
if (mono.shape[0] == 0):
return
# Openlase can only draw 30000 points in one cycle (less that
# that, actually!). Clear the audio buffer and try again!
if mono.shape[0] > 10000:
audio_engine.clear_all()
return
ol.loadIdentity3()
ol.color3(*(self.color_cycle()))
ol.begin(ol.LINESTRIP)
for i in range(0, mono.shape[0]-1, self.subsamp):
scale_factor = pow(0.9-abs(self.x_coord),0.5)*2
if (mono[i] <= -1.0):
mono[i] = 1.0
ol.vertex3((self.x_coord, tanh(mono[i]*scale_factor), -1))
# ol.vertex3((self.x_coord, log(mono[i]*scale_factor+1.0), -1))
self.x_coord = self.x_coord + self.step
if (self.x_coord > 0.9) : self.x_coord = -0.9
ol.end()
def get_audio(self):
# Grab the raw audio buffers
left = audio_engine.left_buffer()
right = audio_engine.right_buffer()
mono = audio_engine.mono_buffer()
#print mono.shape[0]
# Make sure they aren't empty!!
if (mono.shape[0] == 0 or left.shape[0] == 0 or right.shape[0] == 0):
return
# Openlase can only draw 30000 points in one cycle (less that
# that, actually!). Clear the audio buffer and try again!
if left.shape[0] > 10000:
print "too many audio samples"
audio_engine.clear_all()
if left.shape[0] != right.shape[0]:
print "unequal number of samples left/right"
audio_engine.clear_all()
return (left, right, mono)
def get_audio(self):
# Grab the raw audio buffers
left = audio_engine.left_buffer()
right = audio_engine.right_buffer()
mono = audio_engine.mono_buffer()
#print mono.shape[0]
# Make sure they aren't empty!!
if (mono.shape[0] == 0 or left.shape[0] == 0 or right.shape[0] == 0):
return
# Openlase can only draw 30000 points in one cycle (less that
# that, actually!). Clear the audio buffer and try again!
if left.shape[0] > 10000:
print "too many audio samples"
audio_engine.clear_all()
if left.shape[0] != right.shape[0]:
print "unequal number of samples left/right"
audio_engine.clear_all()
return (left, right, mono)
def draw(self):
ol.loadIdentity3()
ol.loadIdentity()
# Grab the raw audio buffers
mono = audio_engine.left_buffer()
# mono = np.zeros(512)
# Make sure they aren't empty!!
if (mono.shape[0] == 0):
return
# Openlase can only draw 30000 points in one cycle (less that
# that, actually!). Clear the audio buffer and try again!
if mono.shape[0] > 10000:
audio_engine.clear_all()
ol.loadIdentity3()
ol.color3(*(self.color_cycle()))
count = 0
while count < mono.shape[0]:
ol.begin(ol.LINESTRIP)
while self.x_coord < 1.0 and count < mono.shape[0]:
scale_factor = pow(1.0 - abs(self.x_coord), 0.5) * 2
#ol.vertex3((self.x_coord, mono[count]*scale_factor, -1)) # Linear
ol.vertex3((self.x_coord, tanh(mono[count] * scale_factor),
-1)) # Tanh
#ol.vertex3((self.x_coord, log(mono[count]*scale_factor+1.0), -1)) # Sigmoid
self.x_coord += self.step
count = count + self.subsamp
ol.end()
if self.x_coord >= 1.0:
self.x_coord = -1.0
ol.end()
def draw(self):
ol.loadIdentity3()
ol.loadIdentity()
# Grab the raw audio buffers
mono = audio_engine.left_buffer()
# mono = np.zeros(512)
# Make sure they aren't empty!!
if (mono.shape[0] == 0):
return
# Openlase can only draw 30000 points in one cycle (less that
# that, actually!). Clear the audio buffer and try again!
if mono.shape[0] > 10000:
audio_engine.clear_all()
ol.loadIdentity3()
ol.color3(*(self.color_cycle()))
count = 0
while count < mono.shape[0]:
ol.begin(ol.LINESTRIP)
while self.x_coord < 1.0 and count < mono.shape[0]:
scale_factor = pow(1.0-abs(self.x_coord),0.5)*2
#ol.vertex3((self.x_coord, mono[count]*scale_factor, -1)) # Linear
ol.vertex3((self.x_coord, tanh(mono[count]*scale_factor), -1)) # Tanh
#ol.vertex3((self.x_coord, log(mono[count]*scale_factor+1.0), -1)) # Sigmoid
self.x_coord += self.step
count = count + self.subsamp
ol.end()
if self.x_coord >= 1.0:
self.x_coord = -1.0
ol.end()