def audio_data_updated(self, data):
# Calculate the low, mids, and high indexes scaling based on the pixel count
lows_idx = int(np.mean(self.pixel_count * data.melbank_lows()))
mids_idx = int(np.mean(self.pixel_count * data.melbank_mids()))
highs_idx = int(np.mean(self.pixel_count * data.melbank_highs()))
if self._config["color_cycler"]:
beat_oscillator, beat_now = data.oscillator()
if beat_now:
# Cycle between 0,1,2 for lows, mids and highs
self.color_cycler = (self.color_cycler + 1) % 3
color = np.random.choice(list(COLORS.keys()))
if self.color_cycler == 0:
self.lows_colour = COLORS[color]
elif self.color_cycler == 1:
self.mids_colour = COLORS[color]
elif self.color_cycler == 2:
self.high_colour = COLORS[color]
# Build the new energy profile based on the mids, highs and lows setting
# the colors as red, green, and blue channel respectively
p = np.zeros(np.shape(self.pixels))
if self._config["mixing_mode"] == "additive":
p[:lows_idx] = self.lows_colour
p[:mids_idx] += self.mids_colour
p[:highs_idx] += self.high_colour
elif self._config["mixing_mode"] == "overlap":
p[:lows_idx] = self.lows_colour
p[:mids_idx] = self.mids_colour
p[:highs_idx] = self.high_colour
# Filter and update the pixel values
self.pixels = self._p_filter.update(p)
class SingleColorEffect(TemporalEffect, ModulateEffect):
NAME = "Single Color"
CONFIG_SCHEMA = vol.Schema({
vol.Optional('color', description='Color of strip', default="red"):
vol.In(list(COLORS.keys())),
})
def config_updated(self, config):
self.color = np.array(COLORS[self._config['color']], dtype=float)
def effect_loop(self):
color_array = np.tile(self.color, (self.pixel_count, 1))
self.pixels = self.modulate(color_array)
class SingleColorEffect(TemporalEffect, ModulateEffect):
NAME = "Single Color"
CONFIG_SCHEMA = vol.Schema({
vol.Optional('color', description='Color of strip', default="red"):
vol.In(list(COLORS.keys())),
})
def config_updated(self, config):
self.color = np.array(COLORS[self._config['color']], dtype='B')
def effect_loop(self):
self.image = Image.new("RGB",
self._dimensions,
color=tuple(self.color))
class ColorChordAudioEffect(AudioReactiveEffect, GradientEffect):
NAME = "ColorChord"
CONFIG_SCHEMA = vol.Schema({
vol.Optional('sensitivity',
description='Responsiveness to changes in sound',
default=0.7):
vol.All(vol.Coerce(float), vol.Range(min=0.2, max=0.99)),
vol.Optional('color_lows',
description='Color of low, bassy sounds',
default="red"):
vol.In(list(COLORS.keys())),
})
_nf = None
def config_updated(self, config):
#todo: pass sample rate
self._nf = NoteFinder(48000)
decay_sensitivity = (self._config["sensitivity"] - 0.2) * 0.25
self._p_filter = self.create_filter(
alpha_decay=decay_sensitivity,
alpha_rise=self._config["sensitivity"])
self.lows_colour = np.array(COLORS[self._config['color_lows']],
dtype=float)
def audio_data_updated(self, data):
if self._nf is not None:
self._nf.samples_updated(data.audio_sample(True))
amps = self._nf.get_amplitudes()
segment_length = int(self.pixel_count / len(amps))
p = np.zeros(np.shape(self.pixels))
for freq, amp in amps.items():
p[int(freq % len(amps)) *
segment_length:(int(freq % len(amps)) + 1) *
segment_length] += self.lows_colour * amp * 20
self.pixels = self._p_filter.update(p)
class Strobe(AudioReactiveEffect):
NAME = "Strobe"
CONFIG_SCHEMA = vol.Schema({
vol.Optional("color", description="Strobe colour", default="white"):
vol.In(list(COLORS.keys())),
vol.Optional(
"frequency",
description="Strobe frequency",
default="1/16 (◉﹏◉ )",
):
vol.In(
list([
"1/2 (.-. )",
"1/4 (.o. )",
"1/8 (◉◡◉ )",
"1/16 (◉﹏◉ )",
"1/32 (⊙▃⊙ )",
])),
})
def config_updated(self, config):
MAPPINGS = {
"1/2 (.-. )": 2,
"1/4 (.o. )": 4,
"1/8 (◉◡◉ )": 8,
"1/16 (◉﹏◉ )": 16,
"1/32 (⊙▃⊙ )": 32,
}
self.color = np.array(COLORS[self._config["color"]], dtype=float)
self.f = MAPPINGS[self._config["frequency"]]
def audio_data_updated(self, data):
beat_oscillator = data.oscillator()[0]
brightness = (-beat_oscillator % (2 / self.f)) * (self.f / 2)
self.pixels = np.tile(self.color * brightness, (self.pixel_count, 1))
class EnergyAudioEffect(AudioReactiveEffect):
NAME = "Energy"
CONFIG_SCHEMA = vol.Schema({
vol.Optional('blur',
description='Amount to blur the effect',
default=4.0):
vol.All(vol.Coerce(float), vol.Range(min=0.0, max=10)),
vol.Optional('mirror', description='Mirror the effect', default=True):
bool,
vol.Optional('color_lows',
description='Color of low, bassy sounds',
default="red"):
vol.In(list(COLORS.keys())),
vol.Optional('color_mids',
description='Color of midrange sounds',
default="green"):
vol.In(list(COLORS.keys())),
vol.Optional('color_high',
description='Color of high sounds',
default="blue"):
vol.In(list(COLORS.keys())),
vol.Optional('sensitivity',
description='Responsiveness to changes in sound',
default=0.7):
vol.All(vol.Coerce(float), vol.Range(min=0.2, max=0.99)),
vol.Optional('mixing_mode',
description='Mode of combining colours',
default="overlap"):
vol.In(["additive", "overlap"]),
})
def config_updated(self, config):
# scale decay value between 0.1 and 0.2
decay_sensitivity = (self._config["sensitivity"] - 0.2) * 0.25
self._p_filter = self.create_filter(
alpha_decay=decay_sensitivity,
alpha_rise=self._config["sensitivity"])
self.lows_colour = np.array(COLORS[self._config['color_lows']],
dtype=float)
self.mids_colour = np.array(COLORS[self._config['color_mids']],
dtype=float)
self.high_colour = np.array(COLORS[self._config['color_high']],
dtype=float)
def audio_data_updated(self, data):
# Calculate the low, mids, and high indexes scaling based on the pixel count
lows_idx = int(np.mean(self.pixel_count * data.melbank_lows()))
mids_idx = int(np.mean(self.pixel_count * data.melbank_mids()))
highs_idx = int(np.mean(self.pixel_count * data.melbank_highs()))
# Build the new energy profile based on the mids, highs and lows setting
# the colors as red, green, and blue channel respectively
p = np.zeros(np.shape(self.pixels))
if self._config["mixing_mode"] == "additive":
p[:lows_idx] = self.lows_colour
p[:mids_idx] += self.mids_colour
p[:highs_idx] += self.high_colour
elif self._config["mixing_mode"] == "overlap":
p[:lows_idx] = self.lows_colour
p[:mids_idx] = self.mids_colour
p[:highs_idx] = self.high_colour
# Filter and update the pixel values
self.pixels = self._p_filter.update(p)
class RainAudioEffect(AudioReactiveEffect):
NAME = "Rain"
CONFIG_SCHEMA = vol.Schema({
vol.Optional('mirror', description='Mirror the effect', default=True):
bool,
# TODO drops should be controlled by some sort of effectlet class, which will provide a list of available drop names rather than just this static range
vol.Optional('lows_colour',
description='Colour for low sounds, ie beats',
default='white'):
vol.In(list(COLORS.keys())),
vol.Optional('mids_colour',
description='Colour for mid sounds, ie vocals',
default='red'):
vol.In(list(COLORS.keys())),
vol.Optional('high_colour',
description='Colour for high sounds, ie hi hat',
default='blue'):
vol.In(list(COLORS.keys())),
vol.Optional('lows_sensitivity',
description='Sensitivity to low sounds',
default=0.1):
vol.All(vol.Coerce(float), vol.Range(min=0.03, max=0.3)),
vol.Optional('mids_sensitivity',
description='Sensitivity to mid sounds',
default=0.05):
vol.All(vol.Coerce(float), vol.Range(min=0.03, max=0.3)),
vol.Optional('high_sensitivity',
description='Sensitivity to high sounds',
default=0.1):
vol.All(vol.Coerce(float), vol.Range(min=0.03, max=0.3)),
vol.Optional('raindrop_animation',
description='Droplet animation style',
default=EFFECTLET_LIST[0]):
vol.In(list(EFFECTLET_LIST)),
})
def config_updated(self, config):
# this could be cleaner but it's temporary, until an effectlet class is made to handle this stuff
self.drop_animation = np.load(
os.path.join(os.path.dirname(__file__),
"effectlets/" + config['raindrop_animation']))
self.n_frames, self.frame_width = np.shape(self.drop_animation)
self.frame_centre_index = self.frame_width // 2
self.frame_side_lengths = self.frame_centre_index - 1
self.intensity_filter = self.create_filter(alpha_decay=0.5,
alpha_rise=0.99)
self.filtered_intensities = np.zeros(3)
self.first_call = True
def new_drop(self, location, colour):
"""
Add a new drop animation
TODO (?) this method overwrites a running drop animation in the same location
would need a significant restructure to fix
"""
self.drop_frames[location] = 1
self.drop_colours[:, location] = colour
def update_drop_frames(self):
# TODO these should be made in config_updated or __init__ when pixel count is available there
if self.first_call:
self.drop_frames = np.zeros(self.pixel_count, dtype=int)
self.drop_colours = np.zeros((3, self.pixel_count))
self.first_call = False
# Set any drops at final frame back to 0 and remove colour data
finished_drops = self.drop_frames >= self.n_frames - 1
self.drop_frames[finished_drops] = 0
self.drop_colours[:, finished_drops] = 0
# Add one to any running frames
self.drop_frames[self.drop_frames > 0] += 1
def get_drops(self):
"""
Get coloured pixel data of all drops overlaid
"""
# 2d array containing colour intensity data
overlaid_frames = np.zeros((3, self.pixel_count + self.frame_width))
# Indexes of active drop animations
drop_indices = np.flatnonzero(self.drop_frames)
# TODO vectorize this to remove for loop
for index in drop_indices:
coloured_frame = [
self.drop_animation[self.drop_frames[index]] *
self.drop_colours[colour, index] for colour in range(3)
]
overlaid_frames[:,
index:index + self.frame_width] += coloured_frame
np.clip(overlaid_frames, 0, 255, out=overlaid_frames)
return overlaid_frames[:, self.
frame_side_lengths:self.frame_side_lengths +
self.pixel_count].T
def audio_data_updated(self, data):
# Calculate the low, mids, and high indexes scaling based on the pixel count
intensities = np.array([
np.mean(data.melbank_lows()),
np.mean(data.melbank_mids()),
np.mean(data.melbank_highs())
])
self.update_drop_frames()
if intensities[0] - self.filtered_intensities[0] > self._config[
"lows_sensitivity"]:
self.new_drop(randint(0, self.pixel_count - 1),
COLORS.get(self._config['lows_colour']))
if intensities[1] - self.filtered_intensities[1] > self._config[
"mids_sensitivity"]:
self.new_drop(randint(0, self.pixel_count - 1),
COLORS.get(self._config['mids_colour']))
if intensities[2] - self.filtered_intensities[2] > self._config[
"high_sensitivity"]:
self.new_drop(randint(0, self.pixel_count - 1),
COLORS.get(self._config['high_colour']))
self.filtered_intensities = self.intensity_filter.update(intensities)
self.pixels = self.get_drops()
class Strobe(AudioReactiveEffect, GradientEffect):
NAME = "Real Strobe"
CONFIG_SCHEMA = vol.Schema({
vol.Optional(
"gradient_name",
description="Color scheme for bass strobe to cycle through",
default="Dancefloor",
):
vol.In(list(GRADIENTS.keys())),
vol.Optional(
"color_step",
description="Amount of color change per bass strobe",
default=0.0625,
):
vol.All(vol.Coerce(float), vol.Range(min=0, max=0.25)),
vol.Optional(
"bass_threshold",
description="Cutoff for quiet sounds. Higher -> only loud sounds are detected",
default=0.4,
):
vol.All(vol.Coerce(float), vol.Range(min=0, max=1)),
vol.Optional(
"bass_strobe_decay_rate",
description="Bass strobe decay rate. Higher -> decays faster.",
default=0.5,
):
vol.All(vol.Coerce(float), vol.Range(min=0, max=1)),
vol.Optional(
"strobe_color",
description="Colour for note strobes",
default="white",
):
vol.In(list(COLORS.keys())),
vol.Optional(
"strobe_width",
description="Note strobe width, in pixels",
default=10,
):
vol.All(vol.Coerce(int), vol.Range(min=0, max=1000)),
vol.Optional(
"strobe_decay_rate",
description="Note strobe decay rate. Higher -> decays faster.",
default=0.5,
):
vol.All(vol.Coerce(float), vol.Range(min=0, max=1)),
})
def activate(self, pixel_count):
super().activate(pixel_count)
self.strobe_overlay = np.zeros(np.shape(self.pixels))
self.bass_strobe_overlay = np.zeros(np.shape(self.pixels))
self.onsets_queue = queue.Queue()
def config_updated(self, config):
self.bass_threshold = self._config["bass_threshold"]
self.color_shift_step = self._config["color_step"]
self.strobe_color = np.array(COLORS[self._config["strobe_color"]],
dtype=float)
self.last_color_shift_time = 0
self.strobe_width = self._config["strobe_width"]
self.color_shift_delay_in_seconds = 1
self.color_idx = 0
self.last_strobe_time = 0
self.strobe_wait_time = 0
self.strobe_decay_rate = 1 - self._config["strobe_decay_rate"]
self.last_bass_strobe_time = 0
self.bass_strobe_wait_time = 0
self.bass_strobe_decay_rate = (1 -
self._config["bass_strobe_decay_rate"])
def get_pixels(self):
pixels = np.copy(self.bass_strobe_overlay)
if not self.onsets_queue.empty():
self.onsets_queue.get()
strobe_width = min(self.strobe_width, self.pixel_count)
length_diff = self.pixel_count - strobe_width
position = (0 if length_diff == 0 else
np.random.randint(self.pixel_count - strobe_width))
self.strobe_overlay[position:position +
strobe_width] = self.strobe_color
pixels += self.strobe_overlay
self.strobe_overlay *= self.strobe_decay_rate
self.bass_strobe_overlay *= self.bass_strobe_decay_rate
self.pixels = pixels
return self.pixels
def audio_data_updated(self, data):
self._dirty = True
currentTime = time.time()
if (currentTime - self.last_color_shift_time >
self.color_shift_delay_in_seconds):
self.color_idx += self.color_shift_step
self.color_idx = self.color_idx % 1
self.bass_strobe_color = self.get_gradient_color(self.color_idx)
self.last_color_shift_time = currentTime
lows_intensity = np.mean(data.melbank_lows())
if (lows_intensity > self.bass_threshold
and currentTime - self.last_bass_strobe_time >
self.bass_strobe_wait_time):
self.bass_strobe_overlay = np.tile(self.bass_strobe_color,
(self.pixel_count, 1))
self.last_bass_strobe_time = currentTime
onsets = data.onset()
if (onsets["high"] and
currentTime - self.last_strobe_time > self.strobe_wait_time):
self.onsets_queue.put(True)
self.last_strobe_time = currentTime
class ScrollAudioEffect(AudioReactiveEffect, Effect1D):
NAME = "Scroll"
CONFIG_SCHEMA = vol.Schema({
vol.Optional('blur', description='Amount to blur the effect', default = 3.0): vol.All(vol.Coerce(float), vol.Range(min=0.0, max=10)),
vol.Optional('mirror', description='Mirror the effect', default = True): bool,
vol.Optional('speed', description='Speed of the effect', default = 5): vol.All(vol.Coerce(int), vol.Range(min=1, max=10)),
vol.Optional('decay', description='Decay rate of the scroll', default = 0.97): vol.All(vol.Coerce(float), vol.Range(min=0.8, max=1.0)),
vol.Optional('threshold', description='Cutoff for quiet sounds. Higher -> only loud sounds are detected', default = 0.0): vol.All(vol.Coerce(float), vol.Range(min=0, max=1)),
vol.Optional('color_lows', description='Color of low, bassy sounds', default = "red"): vol.In(list(COLORS.keys())),
vol.Optional('color_mids', description='Color of midrange sounds', default = "green"): vol.In(list(COLORS.keys())),
vol.Optional('color_high', description='Color of high sounds', default = "blue"): vol.In(list(COLORS.keys())),
})
lastValues = None
def activated(self):
# TODO: Determine how buffers based on the pixels should be
# allocated. Technically there is no guarantee that the effect
# is bound to a device while the config gets updated. Might need
# to move to a model where effects are created for a device and
# must be destroyed and recreated to be moved to another device.
self.lows_colour = np.array(COLORS[self._config['color_lows']], dtype=float)
self.mids_colour = np.array(COLORS[self._config['color_mids']], dtype=float)
self.high_colour = np.array(COLORS[self._config['color_high']], dtype=float)
self.lows_cutoff = self._config['threshold']
self.mids_cutoff = self._config['threshold'] / 4
self.high_cutoff = self._config['threshold'] / 7
self.lastValues = np.zeros((self.pixel_count, 3))
def audio_data_updated(self, data):
# Divide the melbank into lows, mids and highs
lows_max = np.clip(np.max(data.melbank_lows() ** 2), 0, 1)
mids_max = np.clip(np.max(data.melbank_mids() ** 2), 0, 1)
highs_max = np.clip(np.max(data.melbank_highs() ** 2), 0, 1)
if lows_max < self.lows_cutoff:
lows_max = 0
if mids_max < self.mids_cutoff:
mids_max = 0
if highs_max < self.high_cutoff:
highs_max = 0
# Compute the value for each range based on the max
#lows_val = (np.array((255,0,0)) * lows_max)
#mids_val = (np.array((0,255,0)) * mids_max)
#high_val = (np.array((0,0,255)) * highs_max)
# Roll the effect and apply the decay
speed = self.config['speed']
self.lastValues[speed:,:] = self.lastValues[:-speed,:]
self.lastValues = (self.lastValues * self.config['decay'])
# Add in the new color from the signal maxes
#self.output[:speed, 0] = lows_val[0] + mids_val[0] + high_val[0]
#self.output[:speed, 1] = lows_val[1] + mids_val[1] + high_val[1]
#self.output[:speed, 2] = lows_val[2] + mids_val[2] + high_val[2]
self.lastValues[:speed] = self.lows_colour * lows_max
self.lastValues[:speed] += self.mids_colour * mids_max
self.lastValues[:speed] += self.high_colour * highs_max
# Set the pixels
self.pixels = Image.fromarray(self.lastValues.reshape((1, -1, 3)).astype(np.dtype('B')))
class Effect(BaseRegistry):
"""
Manages an effect
"""
NAME = ""
_pixels = None
_dirty = False
_config = None
_active = False
# Basic effect properties that can be applied to all effects
CONFIG_SCHEMA = vol.Schema({
vol.Optional(
"blur",
description="Amount to blur the effect",
default=0.0,
):
vol.All(vol.Coerce(float), vol.Range(min=0.0, max=10)),
vol.Optional("flip", description="Flip the effect", default=False):
bool,
vol.Optional(
"mirror",
description="Mirror the effect",
default=False,
):
bool,
vol.Optional(
"brightness",
description="Brightness of strip",
default=1.0,
):
vol.All(vol.Coerce(float), vol.Range(min=0.0, max=1.0)),
vol.Optional(
"background_color",
description="Apply a background colour",
default="black",
):
vol.In(list(COLORS.keys())),
})
def __init__(self, ledfx, config):
self._ledfx = ledfx
self._dirty_callback = None
self.update_config(config)
def __del__(self):
if self._active:
self.deactivate()
def activate(self, pixel_count):
"""Attaches an output channel to the effect"""
self._pixels = np.zeros((pixel_count, 3))
self._active = True
_LOGGER.info(f"Effect {self.NAME} activated.")
def deactivate(self):
"""Detaches an output channel from the effect"""
self._pixels = None
self._active = False
_LOGGER.info(f"Effect {self.NAME} deactivated.")
def update_config(self, config):
# TODO: Sync locks to ensure everything is thread safe
validated_config = type(self).schema()(config)
self._config = validated_config
self._bg_color = np.array(COLORS[self._config["background_color"]],
dtype=float)
def inherited(cls, method):
if hasattr(cls, method) and hasattr(super(cls, cls), method):
return cls.foo == super(cls).foo
return False
# Iterate all the base classes and check to see if there is a custom
# implementation of config updates. If to notify the base class.
valid_classes = list(type(self).__bases__)
valid_classes.append(type(self))
for base in valid_classes:
if base.config_updated != super(base, base).config_updated:
base.config_updated(self, self._config)
_LOGGER.info(
f"Effect {self.NAME} config updated to {validated_config}.")
self.configured_blur = self._config["blur"]
def config_updated(self, config):
"""
Optional event for when an effect's config is updated. This
should be used by the subclass only if they need to build up
complex properties off the configuration, otherwise the config
should just be referenced in the effect's loop directly
"""
self.configured_blur = self._config["blur"]
pass
@property
def is_active(self):
"""Return if the effect is currently active"""
return self._active
def get_pixels(self):
return self.pixels
@property
def pixels(self):
"""Returns the pixels for the channel"""
if not self._active:
raise Exception(
"Attempting to access pixels before effect is active")
return np.copy(self._pixels)
@pixels.setter
def pixels(self, pixels):
"""Sets the pixels for the channel"""
if not self._active:
_LOGGER.warning(
"Attempting to set pixels before effect is active. Dropping.")
return
if isinstance(pixels, tuple):
self._pixels = np.copy(pixels)
elif isinstance(pixels, np.ndarray):
# Apply some of the base output filters if necessary
if self._config["flip"]:
pixels = flip_pixels(pixels)
if self._config["mirror"]:
pixels = mirror_pixels(pixels)
if self._config["background_color"]:
# TODO: colours in future should have an alpha value, which would work nicely to apply to dim the background colour
# for now, just set it a bit less bright.
bg_brightness = np.max(pixels, axis=1)
bg_brightness = (255 - bg_brightness) / 510
_bg_color_array = np.tile(self._bg_color, (len(pixels), 1))
pixels += np.multiply(_bg_color_array.T, bg_brightness).T
if self._config["brightness"] is not None:
pixels = brightness_pixels(pixels, self._config["brightness"])
# If the configured blur is greater than 0 we need to blur it
if self.configured_blur != 0.0:
pixels = blur_pixels(pixels=pixels, sigma=self.configured_blur)
self._pixels = np.copy(pixels)
else:
raise TypeError()
self._dirty = True
if self._dirty_callback:
self._dirty_callback()
def setDirtyCallback(self, callback):
self._dirty_callback = callback
@property
def pixel_count(self):
"""Returns the number of pixels for the channel"""
return len(self.pixels)
@property
def name(self):
return self.NAME
class EnergyAudioEffect(AudioReactiveEffect):
NAME = "Energy"
CONFIG_SCHEMA = vol.Schema({
vol.Optional(
"blur",
description="Amount to blur the effect",
default=4.0,
):
vol.All(vol.Coerce(float), vol.Range(min=0.0, max=10)),
vol.Optional(
"mirror",
description="Mirror the effect",
default=True,
):
bool,
vol.Optional(
"color_cycler",
description="Change colors in time with the beat",
default=False,
):
bool,
vol.Optional(
"color_lows",
description="Color of low, bassy sounds",
default="red",
):
vol.In(list(COLORS.keys())),
vol.Optional(
"color_mids",
description="Color of midrange sounds",
default="green",
):
vol.In(list(COLORS.keys())),
vol.Optional(
"color_high",
description="Color of high sounds",
default="blue",
):
vol.In(list(COLORS.keys())),
vol.Optional(
"sensitivity",
description="Responsiveness to changes in sound",
default=0.85,
):
vol.All(vol.Coerce(float), vol.Range(min=0.3, max=0.99)),
vol.Optional(
"mixing_mode",
description="Mode of combining each frequencies' colours",
default="overlap",
):
vol.In(["additive", "overlap"]),
})
def config_updated(self, config):
# scale decay value between 0.1 and 0.2
decay_sensitivity = (self._config["sensitivity"] - 0.2) * 0.25
self._p_filter = self.create_filter(
alpha_decay=decay_sensitivity,
alpha_rise=self._config["sensitivity"],
)
self.color_cycler = 0
self.lows_colour = np.array(COLORS[self._config["color_lows"]],
dtype=float)
self.mids_colour = np.array(COLORS[self._config["color_mids"]],
dtype=float)
self.high_colour = np.array(COLORS[self._config["color_high"]],
dtype=float)
def audio_data_updated(self, data):
# Calculate the low, mids, and high indexes scaling based on the pixel
# count
lows_idx = int(np.mean(self.pixel_count * data.melbank_lows()))
mids_idx = int(np.mean(self.pixel_count * data.melbank_mids()))
highs_idx = int(np.mean(self.pixel_count * data.melbank_highs()))
if self._config["color_cycler"]:
beat_now = data.oscillator()
if beat_now:
# Cycle between 0,1,2 for lows, mids and highs
self.color_cycler = (self.color_cycler + 1) % 3
color = np.random.choice(list(COLORS.keys()))
if self.color_cycler == 0:
self.lows_colour = COLORS[color]
elif self.color_cycler == 1:
self.mids_colour = COLORS[color]
elif self.color_cycler == 2:
self.high_colour = COLORS[color]
# Build the new energy profile based on the mids, highs and lows setting
# the colors as red, green, and blue channel respectively
p = np.zeros(np.shape(self.pixels))
if self._config["mixing_mode"] == "additive":
p[:lows_idx] = self.lows_colour
p[:mids_idx] += self.mids_colour
p[:highs_idx] += self.high_colour
elif self._config["mixing_mode"] == "overlap":
p[:lows_idx] = self.lows_colour
p[:mids_idx] = self.mids_colour
p[:highs_idx] = self.high_colour
# Filter and update the pixel values
self.pixels = self._p_filter.update(p)
class ScrollAudioEffect(AudioReactiveEffect):
NAME = "Scroll"
CONFIG_SCHEMA = vol.Schema(
{
vol.Optional(
"blur",
description="Amount to blur the effect",
default=3.0,
): vol.All(vol.Coerce(float), vol.Range(min=0.0, max=10)),
vol.Optional(
"mirror",
description="Mirror the effect",
default=True,
): bool,
vol.Optional(
"speed", description="Speed of the effect", default=5
): vol.All(vol.Coerce(int), vol.Range(min=1, max=10)),
vol.Optional(
"decay",
description="Decay rate of the scroll",
default=0.97,
): vol.All(vol.Coerce(float), vol.Range(min=0.8, max=1.0)),
vol.Optional(
"threshold",
description="Cutoff for quiet sounds. Higher -> only loud sounds are detected",
default=0.0,
): vol.All(vol.Coerce(float), vol.Range(min=0, max=1)),
vol.Optional(
"color_lows",
description="Color of low, bassy sounds",
default="red",
): vol.In(list(COLORS.keys())),
vol.Optional(
"color_mids",
description="Color of midrange sounds",
default="green",
): vol.In(list(COLORS.keys())),
vol.Optional(
"color_high",
description="Color of high sounds",
default="blue",
): vol.In(list(COLORS.keys())),
}
)
def config_updated(self, config):
# TODO: Determine how buffers based on the pixels should be
# allocated. Technically there is no guarantee that the effect
# is bound to a device while the config gets updated. Might need
# to move to a model where effects are created for a device and
# must be destroyed and recreated to be moved to another device.
self.output = None
self.lows_colour = np.array(
COLORS[self._config["color_lows"]], dtype=float
)
self.mids_colour = np.array(
COLORS[self._config["color_mids"]], dtype=float
)
self.high_colour = np.array(
COLORS[self._config["color_high"]], dtype=float
)
self.lows_cutoff = self._config["threshold"]
self.mids_cutoff = self._config["threshold"] / 4
self.high_cutoff = self._config["threshold"] / 7
def audio_data_updated(self, data):
if self.output is None:
self.output = self.pixels
# Divide the melbank into lows, mids and highs
lows_max = np.clip(np.max(data.melbank_lows() ** 2), 0, 1)
mids_max = np.clip(np.max(data.melbank_mids() ** 2), 0, 1)
highs_max = np.clip(np.max(data.melbank_highs() ** 2), 0, 1)
if lows_max < self.lows_cutoff:
lows_max = 0
if mids_max < self.mids_cutoff:
mids_max = 0
if highs_max < self.high_cutoff:
highs_max = 0
# Compute the value for each range based on the max
# lows_val = (np.array((255,0,0)) * lows_max)
# mids_val = (np.array((0,255,0)) * mids_max)
# high_val = (np.array((0,0,255)) * highs_max)
# Roll the effect and apply the decay
speed = self.config["speed"]
self.output[speed:, :] = self.output[:-speed, :]
self.output = self.output * self.config["decay"]
# Add in the new color from the signal maxes
# self.output[:speed, 0] = lows_val[0] + mids_val[0] + high_val[0]
# self.output[:speed, 1] = lows_val[1] + mids_val[1] + high_val[1]
# self.output[:speed, 2] = lows_val[2] + mids_val[2] + high_val[2]
self.output[:speed] = self.lows_colour * lows_max
self.output[:speed] += self.mids_colour * mids_max
self.output[:speed] += self.high_colour * highs_max
# Set the pixels
self.pixels = self.output
class BladePowerAudioEffect(AudioReactiveEffect):
NAME = "Blade Power"
CONFIG_SCHEMA = vol.Schema({
vol.Optional(
"mirror",
description="Mirror the effect",
default=False,
):
bool,
vol.Optional(
"blur",
description="Amount to blur the effect",
default=2,
):
vol.All(vol.Coerce(float), vol.Range(min=0.0, max=10)),
vol.Optional(
"multiplier",
description="Make the reactive bar bigger/smaller",
default=0.5,
):
vol.All(vol.Coerce(float), vol.Range(min=0.0, max=1.0)),
vol.Optional(
"background_color",
description="Color of Background",
default="orange",
):
vol.In(list(COLORS.keys())),
vol.Optional("color", description="Color of bar", default="brown"):
vol.In(list(COLORS.keys())),
vol.Optional(
"frequency_range",
description="Frequency range for the beat detection",
default="Bass (60-250Hz)",
):
vol.In(list(FREQUENCY_RANGES.keys())),
})
def config_updated(self, config):
# Create the filters used for the effect
self._bar_filter = self.create_filter(alpha_decay=0.1, alpha_rise=0.99)
self.bar_color = np.array(COLORS[self._config["color"]], dtype=float)
self._frequency_range = np.linspace(
FREQUENCY_RANGES[self.config["frequency_range"]].min,
FREQUENCY_RANGES[self.config["frequency_range"]].max,
20,
)
def audio_data_updated(self, data):
# Get frequency range power through filter
out = np.zeros(np.shape(self.pixels))
bar = (np.max(data.sample_melbank(list(self._frequency_range))) *
self.config["multiplier"])
bar = self._bar_filter.update(bar)
# Map it to the length of the strip and apply it
bar_idx = int(bar * self.pixel_count)
out[:bar_idx] = self.bar_color
# Update the pixels
self.pixels = out
class Text(TemporalEffect):
NAME = "Text"
CONFIG_SCHEMA = vol.Schema(
{
vol.Required('text',
description='Text to display',
default="Lorem Ipsum"):
vol.Coerce(str),
vol.Optional('font_size',
description='Size of the font',
default=6):
vol.All(vol.Coerce(int), vol.Range(min=1, max=20)),
vol.Optional('font_name',
description='Font',
default="Berkelium1541.ttf"):
vol.In(list(FONT_LIST)),
vol.Optional('font_antialias',
description='Use antialising',
default=False):
bool,
vol.Optional('text_color',
description='Text color',
default='white'):
vol.In(list(COLORS.keys())),
vol.Optional('bg_color',
description='Background color',
default='red'):
vol.In(list(COLORS.keys())),
})
_time = 0.0
def config_updated(self, config):
fontpath = os.path.join(os.path.dirname(__file__),
"fonts/" + config['font_name'])
font = ImageFont.truetype(fontpath, config['font_size'])
# determine pixel size of our text
self._size = font.getsize(config['text'])
# render text to a transparent image that may be larger than the display
self._fontimage = Image.new("RGBA", self._size)
draw = ImageDraw.Draw(self._fontimage)
if not config['font_antialias']:
draw.fontmode = "1" # disable antialiasing
draw.text((0, 0), config['text'], font=font, fill=config['text_color'])
_time = 0
return
def effect_loop(self):
self._time = self._time + 0.01
# background color
_image = Image.new("RGB", self._dimensions, self.config['bg_color'])
xoffset = int(self._time) % (self._size[0] + 2 * 14)
_image.paste(self._fontimage, (14 - xoffset, 0),
self._fontimage.convert('RGBA'))
self.image = _image