def createMovingLightsGraph(N_pixels, device):
fg = filtergraph.FilterGraph(recordTimings=True)
audio_in = audio.AudioInput(num_channels=2)
fg.addEffectNode(audio_in)
led_out = devices.LEDOutput(device)
fg.addEffectNode(led_out)
N_pixels = int(N_pixels/2)
# Layer 1
color_wheel1 = colors.ColorWheel(N_pixels)
fg.addEffectNode(color_wheel1)
movingLight1 = audioreactive.MovingLight(N_pixels, audio_in.getSampleRate(),speed=150.0, dim_time=.5,highcut_hz=200)
fg.addEffectNode(movingLight1)
afterglow1 = effects.AfterGlow()
fg.addEffectNode(afterglow1)
append1 = effects.Append(2,flip0=True)
fg.addEffectNode(append1)
fg.addConnection(audio_in,0,movingLight1,0)
fg.addConnection(color_wheel1,0,movingLight1,1)
fg.addConnection(movingLight1,0,afterglow1,0)
fg.addConnection(afterglow1,0,append1,0)
fg.addConnection(afterglow1,0,append1,1)
# Layer 2
color_wheel2 = colors.ColorWheel(N_pixels)
fg.addEffectNode(color_wheel2)
movingLight2 = audioreactive.MovingLight(N_pixels, audio_in.getSampleRate(),speed=150.0, dim_time=1.0, highcut_hz=500)
fg.addEffectNode(movingLight2)
afterglow2 = effects.AfterGlow()
fg.addEffectNode(afterglow2)
append2 = effects.Append(2,flip1=True)
fg.addEffectNode(append2)
fg.addConnection(audio_in,0,movingLight2,0)
fg.addConnection(color_wheel2,0,movingLight2,1)
fg.addConnection(movingLight2,0,afterglow2,0)
fg.addConnection(afterglow2,0,append2,0)
fg.addConnection(afterglow2,0,append2,1)
# Combine
combine = effects.Combine(mode='lightenOnly')
fg.addEffectNode(combine)
fg.addConnection(append1,0,combine,0)
fg.addConnection(append2,0,combine,1)
fg.addConnection(combine,0,led_out,0)
return fg
def createMovingLightGraph():
fg = filtergraph.FilterGraph(recordTimings=True)
audio_in = audio.AudioInput(num_channels=2)
fg.addEffectNode(audio_in)
led_out = devices.LEDOutput()
fg.addEffectNode(led_out)
color_wheel = colors.ColorWheel()
fg.addEffectNode(color_wheel)
movingLight = audioreactive.MovingLight(fs=audio_in.getSampleRate())
fg.addEffectNode(movingLight)
mirrorLower = effects.Mirror(mirror_lower=True, recursion=0)
fg.addEffectNode(mirrorLower)
afterglow = effects.AfterGlow(glow_time=0.15)
fg.addEffectNode(afterglow)
append = effects.Append(2, flip0=True)
fg.addEffectNode(append)
fg.addConnection(audio_in, 0, movingLight, 0)
fg.addConnection(color_wheel, 0, movingLight, 1)
fg.addConnection(movingLight, 0, afterglow, 0)
fg.addConnection(afterglow, 0, append, 0)
fg.addConnection(afterglow, 0, append, 1)
fg.addConnection(append, 0, led_out, 0)
return fg