{
  "fileFormatID": 1750,
  "formatName": "Ogg Theora Video",
  "version": null,
  "formatDescription": "Ogg is a free, open container format maintained by the Xiph.Org Foundation. The Ogg container format can multiplex a number of independent streams for audio, video, text, and metadata.\r\n\r\nTheora is a free, lossy video compression format also developed by the Xiph.Org Foundation.",
  "releaseDate": null,
  "binaryFileFormat": "Text",
  "formatNote": null,
  "lastUpdatedDate": "21 Jul 2016",
  "formatProvenance": null,
  "formatSourceDate": "21 Jul 2016",
  "formatDisclosure": null,
  "formatEnvironment": null,
  "formatRisk": null,
  "formatAliases": null,
  "formatTypes": "Video",
  "formatFamilies": null,
  "identifiers": [
    {
      "identifierText": "fmt/945",
      "identifierType": "PUID"
    },
    {
      "identifierText": "video/ogg",
      "identifierType": "MIME"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 1288,
      "name": "Ogg Theora Video variant 1",
      "note": "Ogg Page header: Capture pattern (\u201cOggS\u201d); stream structure revision (00h); flag: 1st page of a logical bitstream (02h) {22} '\u20actheora' identifier, Major version 0x03, Minor version 0x02, Revision version 0x01 {32} next Ogg Page.",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 0,
          "maxOffset": 0,
          "byteSequence": "4F6767530002{22}807468656F7261030201{32}4F676753",
          "endianness": null,
          "byteSequenceID": 1562
        }
      ]
    },
    {
      "signatureID": 1289,
      "name": "Ogg Theora Video variant 2",
      "note": "Ogg Page Skeleton header (with 'fishead\\0' identifier), followed by Capture pattern (\u201cOggS\u201d); stream structure revision (00h); flag: 1st page of a logical bitstream (02h) {22} '\u20actheora' identifier, Major version 0x03, Minor version 0x02, Revision version 0x01 {32} next Ogg Page.",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 0,
          "maxOffset": 0,
          "byteSequence": "4F6767530002{22}6669736865616400{56-72}4F6767530002{22}807468656F7261030201{32}4F676753",
          "endianness": null,
          "byteSequenceID": 1561
        }
      ]
    }
  ],
  "externalSignatures": [
    {
      "externalSignature": "ogv",
      "signatureType": "File extension"
    },
    {
      "externalSignature": "ogg",
      "signatureType": "File extension"
    }
  ],
  "relationships": [
    {
      "relationshipType": "Can be contained by",
      "relatedFormatID": 1749,
      "relatedFormatName": "Ogg Multimedia Container",
      "relatedFormatPUID": "fmt/944"
    },
    {
      "relationshipType": "Has priority over",
      "relatedFormatID": 1749,
      "relatedFormatName": "Ogg Multimedia Container",
      "relatedFormatPUID": "fmt/944"
    }
  ],
  "submittedBy": [
    1
  ]
}
