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default_config.json
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default_config.json
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// Do not modify this file. If you want to customize the configuration, create a file `config.json` and
// specify only the settings you want to override.
{
// Optional, string, default: "info".
// Valid values: "quiet", "error", "warning", "info", "debug", "all" (from quietest to most verbose).
"log_level": "info",
// Configuration for the web server.
// Optional. This whole stanza is optional because none of the keys within it are required.
"server": {
// Optional, boolean, default: false. Set to true if you want to run the web server with SSL (https).
"use_ssl": false,
// Optional, string, default: "". Only applicable when use_ssl is true.
"keyfile": "",
// Optional, string, default: "". Only applicable when use_ssl is true.
"certfile": "",
},
// Configuration used whenever displaying anything on the LEDs.
// Required. At least one key within this stanza is required.
"leds": {
// Required, string. Controls which LED driver is used. Valid values: apa102, rgbmatrix, ws2812b.
"driver": "",
// Required, integer. The width of your LED matrix, in pixels.
"display_width": 0,
// Required, integer. The height of your LED matrix, in pixels.
"display_height": 0,
// Optional, integer, default: 3. Global brightness of LEDs. Only applicable for apa102 or ws2812b driver.
// apa102 range: [0, 31]
// ws2812b range: [0, 255]
"brightness": 3,
// Optional, boolean, default: false. Whether to swap left to right when outputting to the LED matrix.
// Setting this might be necessary if you wired your LEDs differently.
"flip_x": false,
// Optional, boolean, default: false. Whether to swap top to bottom when outputting to the LED matrix.
// Setting this might be necessary if you wired your LEDs differently.
"flip_y": false,
},
// Configuration specific to displaying videos.
// Optional. This whole stanza is optional because none of the keys within it are required.
"video": {
// Optional, string, default: "color". Controls whether videos are displayed in color or monochrome.
// Valid values: color, bw, red, green, blue, inv_color, inv_bw.
"color_mode": "color",
// Opetional, boolean, default: true. Whether to play audio when playing videos.
"should_play_audio": true,
// Optional, boolean, default: false. Whether to save the videos that are played. Saving the video
// allows us to avoid youtube-dl network calls to download the video if it's played again.
"should_save_video": false,
// Optional, boolean, default: false. Whether to predownload the video, as opposed to streaming it.
// Setting this to true forces the video to fully download before playing.
"should_predownload_video": false,
},
"sound": {
// Optional integer, default: 0. The card number to use for the `amixer` command. This can be useful if
// you use an external soundcard. Check the output of `aplay --list-devices` to determine which card
// number to use. See: https://gist.github.com/dasl-/e400409f4f3afdcaf2aef3f40af8528f
"card": 0,
// Optional integer, default: 1. The numid to use for the `amixer` command. This can be useful if
// you use an external soundcard. Check the output of `amixer -c <card_number> controls` to determine
// which numid to use. See: https://gist.github.com/dasl-/e400409f4f3afdcaf2aef3f40af8528f
"numid": 1,
// Optional, ?boolean, default: null. Whether volume should be adjusted logarithmically to match
// perceptual loudness. If the volume slider increments don't seem natural, try enabling this. Null
// means try to autodetect (i.e. set to `true` for raspberry pi internal sound card, and set to
// `false` for external sound cards).
"adjust_volume_logarithmically": null,
// Optional, ?integer, default: null. Volume level at which to limit raspberry pi. This can be useful
// in conjunction with the raspberry pi headphone jack, because the internal soundcard allows
// incrementing the volume to a level which results in clipping. Null means try to autodetect (i.e.
// set to `0` for raspberry pi internal sound card, and set to the global max vol val for external
// sound cards).
"limited_max_vol_val": null,
},
// Configuration specific to the screensavers that play while nothing is in the playlist queue.
// Optional. This whole stanza is optional because none of the keys within it are required.
"screensavers": {
// Optional, array, default: ["game_of_life", "cyclic_automaton"]. The screensavers to cycle through.
"screensavers": ["game_of_life", "cyclic_automaton"]
},
// Configuration specific to the game of life.
// Optional. This whole stanza is optional because none of the keys within it are required.
"game_of_life": {
// Optional, float in range: [0,1], default: 0.3333. How likely each pixel is to be alive (on)
// in the initial state.
"seed_liveness_probability": 0.3333,
// Optional, float, default: 0.07. How long to sleep between ticks, in seconds,
"tick_sleep": 0.07,
// Optional, integer, default: 16. How many frames are analyzed to determine if we are stuck in a loop
// and if we should to end the game.
"game_over_detection_lookback": 16,
// Optional, string, default: "random". The color mode for the game.
// Valid values: "random", "red", "green", "blue", "bw", "rainbow".
"game_color_mode": "random",
// Optional, string, default: "random". The variant for the game.
// Valid values: "normal", "immigration".
// See: https://cs.stanford.edu/people/eroberts/courses/soco/projects/2008-09/modeling-natural-systems/gameOfLife2.html
"variant": "random",
// Optional, boolean, default: false. Whether to do fade transitions between frames of the game.
"fade": false,
// Optional, boolean, default: false. Whether to invert the colors.
"invert": false,
},
// Configuration specific to cyclic automaton: https://en.wikipedia.org/wiki/Cyclic_cellular_automaton
// Optional. This whole stanza is optional because none of the keys within it are required.
"cyclic_automaton": {
// Optional, float, default: 0.07. How long to sleep between ticks, in seconds,
"tick_sleep": 0.07,
// Optional, integer, default: 16. How many frames are analyzed to determine if we are stuck in a loop
// and if we should to end the game.
"game_over_detection_lookback": 16,
// Optional, boolean, default: false. Whether to do fade transitions between frames of the game.
"fade": false,
},
// Configuration specific to playing snake.
// Optional. This whole stanza is optional because none of the keys within it are required.
"snake": {
// Optional, string, default: "random". The color mode for the game.
// Valid values: "random", "red", "green", "blue", "bw", "rainbow".
"game_color_mode": "random",
},
}