config.json

{
    "visualizations": {
        "rotating_viz": {
            "pretty_name": "Rotating Viz",
            "speed": 5.0,
            "falloff": 0.1
        },
        "sparkle_viz": {
            "pretty_name": "Sparkle Viz",
            "falloff": 0.1,
            "speed": 5.0,
            "max_ignite": 2.0
        },
        "solid_viz": {
            "pretty_name": "Solid Viz"
        },
        "center_viz": {
            "pretty_name": "Center Viz"
        },
        "solid_beat_viz": {
            "pretty_name": "Solid Beat Viz",
            "fade_colors": true,
            "fade_duration": 20
        },
        "fading_beat_viz": {
            "pretty_name": "Fading Beat Viz",
            "fade_duration": 1,
            "fade_threshold": 10,
            "frequency_magnitude_buffer_size": 300
        },
        "blend_viz": {
            "pretty_name": "Blend Viz",
            "spread": 6,
            "blend_speed": 3,
            "offset_weight": 1,
            "blend_factor": 10
        }
    },
    "output": {
        "left": {
            "spi": "/dev/spidev0.0",
            "total_leds": 150
        },
        "right": {
            "spi": "/dev/spidev1.0",
            "total_leds": 150
        }
    },
    "themes": [
        {
            "name": "Rainbow",
            "colors": [
                [255, 0, 0],
                [255, 100, 0],
                [255, 200, 0],
                [100, 255, 0],
                [0, 255, 0],
                [0, 255, 100],
                [0, 255, 255],
                [0, 100, 255],
                [0, 0, 255],
                [100, 0, 255],
                [255, 0, 255]
            ]
        },
        {
            "name": "Test Theme",
            "colors": [
                [255, 0, 0]
            ]    
        }
    ],
    "transformer": {
        "sink": "alsa_output.usb-Generic_USB2.0_Device_20170726905959-00.analog-stereo",
        "fft_len": 3000,
        "total_bands": 6,
        "lower_cutoff": 50.0,
        "upper_cutoff": 10000.0,
        "monstercat": 50.0,
        "decay": 10.0,
        "buffer_size": 65535
    },
    "server_host": "127.0.0.1",
    "server_port": "8000"
}