{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "id": "https://mkvtoolnix.download/doc/mkvmerge-identification-output-schema.json",
  "title": "mkvmerge identification output",
  "description": "The JSON output produced by mkvmerge's file identification mode",
  "type": "object",
  "properties": {
    "attachments": {
      "description": "an array describing the attachments found if any",
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "type": "object",
          "properties": {
            "uid": {
              "type": "integer",
              "minimum": 0
            }
          },
          "additionalProperties": false
        },
        "size": {
          "type": "integer",
          "minimum": 0
        }
      },
      "additionalProperties": false,
      "required": [
        "file_name",
        "id",
        "properties",
        "size"
      ]
    }
  },
  "chapters": {
    "type": "array",
    "items": {
      "type": "object",
      "properties": {
        "num_entries": {
          "type": "integer"
        }
      },
      "additionalProperties": false,
      "required": [
        "num_entries"
      ]
    }
  },
  "container": {
    "description": "information about the identified container",
    "type": "object",
    "properties": {
      "properties": {
        "description": "additional properties for the container varying by container format",
        "type": "object",
        "properties": {
          "container_type": {
            "description": "A unique number identifying the container type that's supposed to stay constant over all future releases of MKVToolNix",
            "type": "integer",
            "minLength": 1
          },
          "duration": {
            "description": "The file's/segment's duration in nanoseconds",
            "type": "integer",
            "minimum": 0
          },
          "is_providing_timecodes": {
            "description": "States whether or not the container has timestamps for the packets (e.g. Matroska, MP4) or not (e.g. SRT, MP3)",
            "type": "boolean"
          },
          "segment_uid": {
            "description": "A hexadecimal string of the segment's UID (only for Matroska files)",
            "type": "string",
            "minLength": 32,
            "maxLength": 32
          },
          "next_segment_uid": {
            "description": "A hexadecimal string of the next segment's UID (only for Matroska files)",
            "type": "string",
            "minLength": 32,
            "maxLength": 32
          },
          "previous_segment_uid": {
            "description": "A hexadecimal string of the previous segment's UID (only for Matroska files)",
            "type": "string",
            "minLength": 32,
            "maxLength": 32
          },
          "playlist": {
            "description": "States whether or not the identified file is a playlist (e.g. MPLS) referring to several other files",
            "type": "boolean"
          },
          "playlist_chapters": {
            "description": "The number of chapters in a playlist if it is a one",
            "type": "integer",
            "minimum": 0
          },
          "playlist_duration": {
            "description": "The total duration in nanoseconds of all files referenced by the playlist if it is a one",
            "type": "integer",
            "minimum": 0
          },
          "playlist_size": {
            "description": "The total size in bytes of all files referenced by the playlist if it is a one",
            "type": "integer",
            "minimum": 0
          }
        },
        "additionalProperties": false
      },
      "recognized": {
        "description": "States whether or not mkvmerge knows about the format",
        "type": "boolean"
      },
      "supported": {
        "description": "States whether or not mkvmerge can read the format",
        "type": "boolean"
      },
      "type": {
        "description": "A human-readable description/name for the container format",
        "type": "string",
        "minLength": 1
      }
    },
    "additionalProperties": false,
    "required": [
      "recognized",
      "supported"
    ]
  },
  "file_name": {
    "description": "the identified file's name",
    "type": "string",
    "minLength": 1
  },
  "global_tags": {
    "type": "array",
    "items": {
    }
  },
  "identification_format_version": {
    "description": "The output format's version",
    "type": "integer",
    "minimum": 1
  },
  "track_tags": {
    "type": "array",
    "items": {
      "type": "object",
      "properties": {
        "num_entries": {
          "type": "integer"
        },
        "track_id": {
          "type": "integer"
        }
      },
      "additionalProperties": false,
      "required": [
        "num_entries",
        "track_id"
      ]
    }
  },
  "tracks": {
    "type": "array",
    "items": {
      "type": {
        "type": "string"
      },
      "properties": {
        "type": "object",
        "properties": {
          "codec_id": {
            "type": "string"
          },
          "codec_private_data": {
            "type": "string"
          },
          "codec_private_length": {
            "type": "integer"
          },
          "default_track": {
            "type": "boolean"
          },
          "enabled_track": {
            "type": "boolean"
          },
          "forced_track": {
            "type": "boolean"
          },
          "language": {
            "type": "string"
          },
          "number": {
            "type": "integer"
          },
          "text_subtitles": {
            "type": "boolean"
          },
          "uid": {
            "type": "integer"
          }
        },
        "additionalProperties": false
      }
    },
    "additionalProperties": false
  }
}