Exemplo n.º 1
0
    def audio_data_updated(self, data):
        y = data.interpolated_melbank(self.pixel_count, filtered=False)
        midi_value = data.midi_value()
        if midi_value is None:
            midi_value = 0
        note_color = COLORS["black"]
        if not self.avg_midi:
            self.avg_midi = midi_value

        # Average out the midi values to be a little more stable
        if midi_value >= MIN_MIDI:
            self.avg_midi = (
                self.avg_midi * (1.0 - self._config["responsiveness"])
                + midi_value * self._config["responsiveness"]
            )

        # Grab the note color based on where it falls in the midi range
        if self.avg_midi >= MIN_MIDI:
            midi_scaled = (self.avg_midi - MIN_MIDI) / (MAX_MIDI - MIN_MIDI)

            note_color = self.get_gradient_color(midi_scaled)

        # Mix in the new color based on the filterbank information and fade out
        # the old colors
        new_pixels = self.pixels
        for index in range(self.pixel_count):
            new_color = mix_colors(self.pixels[index], note_color, y[index])
            new_color = mix_colors(
                new_color, COLORS["black"], self._config["fade_rate"]
            )
            new_pixels[index] = new_color

        # Set the pixels
        self.pixels = new_pixels
Exemplo n.º 2
0
    def audio_data_updated(self, data):
        y = data.interpolated_melbank(self.pixel_count, filtered=False)
        midi_value = data.midi_value()
        note_color = COLORS['black']
        if not self.avg_midi:
            self.avg_midi = midi_value

        # Average out the midi values to be a little more stable
        if midi_value >= MIN_MIDI:
            self.avg_midi = self.avg_midi * (
                1.0 - self._config['responsiveness']
            ) + midi_value * self._config['responsiveness']

        # Grab the note color based on where it falls in the midi range
        if self.avg_midi >= MIN_MIDI:
            midi_scaled = (self.avg_midi - MIN_MIDI) / (MAX_MIDI - MIN_MIDI)

            note_color = self.get_gradient_color(midi_scaled)

        # Mix in the new color based on the filterbank information and fade out
        # the old colors
        new_pixels = self.lastValues
        for index in range(self.pixel_count):
            new_color = mix_colors(self.lastValues[index, 0], note_color,
                                   y[index])
            new_color = mix_colors(new_color, COLORS['black'],
                                   self._config['fade_rate'])
            new_pixels[index, 0] = new_color
        self.lastValues = new_pixels

        temp = new_pixels.reshape((1, -1, 3)).astype(np.dtype('B'))
        self.pixels = Image.fromarray(temp)