mkvtoolnix/doc/mkvmerge-identification-output-schema.json

{
  "$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",
  "required": [ "identification_format_version", "file_name", "container" ],
  "properties": {
    "identification_format_version": {
      "description": "The output format's version",
      "type": "integer",
      "minimum": 1
    },
    "file_name": {
      "description": "the identified file's name",
      "type": "string"
    },
    "container": {
      "description": "information about the identified container",
      "type": "object",
      "required": [ "recognized", "supported" ],
      "properties": {
        "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
        },
        "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",
              "minimum": 0
            },
            "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"
            },
            "next_segment_uid": {
              "description": "A hexadecimal string of the next segment's UID (only for Matroska files)",
              "type": "string"
            },
            "previous_segment_uid": {
              "description": "A hexadecimal string of the previous segment's UID (only for Matroska files)",
              "type": "string"
            },
            "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"
            },
            "playlist_duration": {
              "description": "The total duration in nanoseconds of all files referenced by the playlist if it is a one",
              "type": "integer"
            },
            "playlist_size": {
              "description": "The total size in bytes of all files referenced by the playlist if it is a one",
              "type": "integer"
            }
          }
        }
      }
    }
  }
}