{
  "lexicon": 1,
  "id": "place.stream.segment",
  "defs": {
    "main": {
      "type": "record",
      "description": "Media file representing a segment of a livestream",
      "key": "tid",
      "record": {
        "type": "object",
        "required": ["id", "signingKey", "startTime", "creator"],
        "properties": {
          "id": {
            "type": "string",
            "description": "Unique identifier for the segment"
          },
          "signingKey": {
            "type": "string",
            "description": "The DID of the signing key used for this segment"
          },
          "startTime": {
            "type": "string",
            "format": "datetime",
            "description": "When this segment started"
          },
          "duration": {
            "type": "integer",
            "description": "The duration of the segment in nanoseconds"
          },
          "creator": {
            "type": "string",
            "format": "did"
          },
          "video": {
            "type": "array",
            "items": {
              "type": "ref",
              "ref": "#video"
            }
          },
          "audio": {
            "type": "array",
            "items": {
              "type": "ref",
              "ref": "#audio"
            }
          },
          "size": {
            "type": "integer",
            "description": "The size of the segment in bytes"
          },
          "contentWarnings": {
            "type": "ref",
            "ref": "place.stream.metadata.contentWarnings"
          },
          "contentRights": {
            "type": "ref",
            "ref": "place.stream.metadata.contentRights"
          },
          "distributionPolicy": {
            "type": "ref",
            "ref": "place.stream.metadata.distributionPolicy"
          }
        }
      }
    },
    "audio": {
      "type": "object",
      "required": ["codec", "rate", "channels"],
      "properties": {
        "codec": { "type": "string", "enum": ["opus"] },
        "rate": { "type": "integer" },
        "channels": { "type": "integer" }
      }
    },
    "video": {
      "type": "object",
      "required": ["codec", "width", "height"],
      "properties": {
        "codec": { "type": "string", "enum": ["h264"] },
        "width": { "type": "integer" },
        "height": { "type": "integer" },
        "framerate": {
          "type": "ref",
          "ref": "#framerate"
        },
        "bframes": { "type": "boolean" }
      }
    },
    "framerate": {
      "type": "object",
      "required": ["num", "den"],
      "properties": {
        "num": { "type": "integer" },
        "den": { "type": "integer" }
      }
    },
    "segmentView": {
      "type": "object",
      "required": ["cid", "record"],
      "properties": {
        "cid": { "type": "string", "format": "cid" },
        "record": { "type": "unknown" }
      }
    }
  }
}