{
  "lexicon": 1,
  "id": "sh.diffuse.output.track",
  "defs": {
    "main": {
      "type": "record",
      "record": {
        "type": "object",
        "required": ["id", "uri"],
        "properties": {
          "id": { "type": "string" },
          "createdAt": { "type": "string", "format": "datetime" },
          "ephemeral": { "type": "boolean" },
          "kind": {
            "type": "string",
            "enum": ["audiobook", "miscellaneous", "music", "placeholder", "podcast", "stream"]
          },
          "stats": {
            "type": "ref",
            "ref": "#stats"
          },
          "tags": {
            "type": "ref",
            "ref": "#tags"
          },
          "updatedAt": { "type": "string", "format": "datetime" },
          "uri": {
            "type": "string",
            "description": "This is a 'semi-permanent' URI. Tracks are typically cached so you can't, for example, use an URL that expires in several hours."
          }
        }
      }
    },
    "count": {
      "type": "object",
      "required": ["no"],
      "properties": {
        "no": { "type": "integer" },
        "of": { "type": "integer" }
      }
    },
    "stats": {
      "type": "object",
      "properties": {
        "albumGain": { "type": "integer", "description": "Album gain in dB" },
        "bitrate": { "type": "integer", "description": "Bits per second" },
        "bitsPerSample": { "type": "integer", "description": "Bit depth" },
        "codec": { "type": "string", "description": "Compression algorithm" },
        "container": { "type": "string", "description": "Encoding format" },
        "duration": { "type": "integer", "description": "Duration in milliseconds" },
        "lossless": { "type": "boolean", "description": "Is track lossless" },
        "numberOfChannels": { "type": "integer", "description": "Number of audio channels" },
        "sampleRate": { "type": "integer", "description": "Samples per second" },
        "spectralCentroid": { "type": "integer", "description": "Average spectral centroid in Hz, the perceptual brightness of the track derived from its spectrogram" },
        "spectralFlatness": { "type": "integer", "description": "Average spectral flatness on a 0-1000 scale (0 = fully tonal, 1000 = fully noisy), derived from the track's spectrogram" },
        "spectralFlux": { "type": "integer", "description": "Average spectral flux scaled by 1000, measuring how quickly the spectrum changes over time in the track's spectrogram" },
        "spectralRolloff": { "type": "integer", "description": "Average spectral rolloff in Hz, the frequency below which 85% of the spectral energy is contained, derived from the track's spectrogram" },
        "spectralSpread": { "type": "integer", "description": "Average spectral spread in Hz, the standard deviation of the spectrum around its centroid, derived from the track's spectrogram" },
        "trackGain": { "type": "integer", "description": "Track gain in dB" }
      }
    },
    "tags": {
      "type": "object",
      "properties": {
        "album": { "type": "string" },
        "albumartist": { "type": "string" },
        "albumartists": { "type": "array", "items": { "type": "string" } },
        "albumartistsort": { "type": "string" },
        "albumsort": { "type": "string" },
        "arranger": { "type": "array", "items": { "type": "string" } },
        "artist": { "type": "string" },
        "artists": { "type": "array", "items": { "type": "string" } },
        "artistsort": { "type": "string" },
        "asin": { "type": "string" },
        "averageLevel": { "type": "integer" },
        "barcode": { "type": "string" },
        "bpm": { "type": "integer" },
        "catalognumbers": { "type": "array", "items": { "type": "string" } },
        "compilation": { "type": "boolean" },
        "composers": { "type": "array", "items": { "type": "string" } },
        "composersort": { "type": "string" },
        "conductors": { "type": "array", "items": { "type": "string" } },
        "date": { "type": "string" },
        "disc": {
          "type": "ref",
          "ref": "#count"
        },
        "djmixers": { "type": "array", "items": { "type": "string" } },
        "engineers": { "type": "array", "items": { "type": "string" } },
        "gapless": { "type": "boolean" },
        "genres": { "type": "array", "items": { "type": "string" } },
        "isrc": { "type": "array", "items": { "type": "string" } },
        "labels": { "type": "array", "items": { "type": "string" } },
        "lyricists": { "type": "array", "items": { "type": "string" } },
        "media": { "type": "string" },
        "mixers": { "type": "array", "items": { "type": "string" } },
        "moods": { "type": "array", "items": { "type": "string" } },
        "originaldate": { "type": "string" },
        "originalyear": { "type": "integer" },
        "peakLevel": { "type": "integer" },
        "producers": { "type": "array", "items": { "type": "string" } },
        "publishers": { "type": "array", "items": { "type": "string" } },
        "releasecountry": { "type": "string" },
        "releasedate": { "type": "string" },
        "releasestatus": { "type": "string" },
        "releasetypes": { "type": "array", "items": { "type": "string" } },
        "remixers": { "type": "array", "items": { "type": "string" } },
        "technicians": { "type": "array", "items": { "type": "string" } },
        "title": { "type": "string" },
        "titlesort": { "type": "string" },
        "track": {
          "type": "ref",
          "ref": "#count"
        },
        "work": { "type": "string" },
        "writers": { "type": "array", "items": { "type": "string" } },
        "year": { "type": "integer" }
      }
    }
  }
}