{
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  "sourcePath": "src/main/data/docs",
  "docId": "RFC6381",
  "document": {
    "abstract": "Several MIME type/subtype combinations exist that can contain different media formats. A receiving agent thus needs to examine the details of such media content to determine if the specific elements can be rendered given an available set of codecs. Especially when the end system has limited resources, or the connection to the end system has limited bandwidth, it is helpful to know from the Content- Type alone if the content can be rendered. This document specifies two parameters, 'codecs' and 'profiles', that are used with various MIME types or type/subtype combinations to allow for unambiguous specification of the codecs employed by the media formats contained within, or the profile(s) of the overall container format. This document obsoletes RFC 4281; RFC 4281 defines the 'codecs' parameter, which this document retains in a backwards compatible manner with minor clarifications; the 'profiles' parameter is added by this document. By labeling content with the specific codecs indicated to render the contained media, receiving systems can determine if the codecs are supported by the end system, and if not, can take appropriate action (such as rejecting the content, sending notification of the situation, transcoding the content to a supported type, fetching and installing the required codecs, further inspection to determine if it will be sufficient to support a subset of the indicated codecs, etc.). Similarly, the profiles can provide an overall indication, to the receiver, of the specifications with which the content complies. This is an indication of the compatibility of the container format and its contents to some specification. The receiver may be able to work out the extent to which it can handle and render the content by examining to see which of the declared profiles it supports, and what they mean. [STANDARDS-TRACK]",
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      "updated": "2026-10-16T18:57:20.525Z",
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    },
    "authors": [
      {
        "name": "Randall Gellens"
      },
      {
        "name": "David Singer"
      },
      {
        "name": "Per Frojdh"
      }
    ],
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      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
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      "updated": "2026-10-16T18:57:20.525Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
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    "docId": "RFC6381",
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      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
      "updated": "2026-10-16T18:57:20.524Z",
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    "docLabel": "IETF RFC 6381",
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      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
      "updated": "2026-10-16T18:57:20.524Z",
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    "docNumber": "6381",
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      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
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      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
      "updated": "2026-10-16T18:57:20.524Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "docTitle": "The 'Codecs' and 'Profiles' Parameters for \"Bucket\" Media Types",
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      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
      "updated": "2026-10-16T18:57:20.524Z",
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    },
    "docType": "Standard",
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      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
      "updated": "2026-10-16T18:57:20.524Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "doi": "10.17487/RFC6381",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
      "updated": "2026-10-16T18:57:20.525Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
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    "href": "https://doi.org/10.17487/RFC6381",
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      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
      "updated": "2026-10-16T18:57:20.525Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
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    "keywords": [
      "Codec",
      "Container",
      "Audio",
      "Video",
      "3GPP",
      "3GPP2"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": [
        "Codec",
        "Container",
        "Audio",
        "Video",
        "3GPP",
        "3gpp2"
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      "overridden": true,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
      "updated": "2026-10-16T19:31:56.373Z",
      "version": "extractDocs.js@commit:75b379398159"
    },
    "pages": "19",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
      "updated": "2026-10-16T18:57:20.525Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "publicationDate": "2011-08-01",
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      "confidence": "high",
      "note": "Parsed from RFC index XML date",
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      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
      "updated": "2026-10-16T18:57:20.525Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "publisher": "IETF",
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      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
      "updated": "2026-10-16T18:57:20.525Z",
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    "references": {
      "bibliographic": [
        "ISO.14496-1.2010",
        "ISO.14496-3.2009",
        "ISO.14496-2.2004",
        "RFC1345",
        "RFC3625",
        "orphan/RFC6381/h:b7323a2c"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=20 proseBlocks=24 skippedAnchorBlocks=22",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
        "updated": "2026-10-16T18:57:20.525Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
      },
      "normative": [
        "3GPP.TS-26.244",
        "T-REC-H.264.2009",
        "ISO.14496-15.2010",
        "ISO.14496-12.2008",
        "RFC2045",
        "RFC2119",
        "RFC2231",
        "RFC2912",
        "RFC3629",
        "RFC3839",
        "RFC4281",
        "RFC4337",
        "RFC4393",
        "orphan/RFC6381/h:15ab9620"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
        "updated": "2026-10-16T18:57:20.525Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc6381/",
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      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
      "updated": "2026-10-16T18:57:20.525Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
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    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
        "updated": "2026-10-16T18:57:20.525Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
      },
      "amends": [
        "RFC3839",
        "RFC4337",
        "RFC4393"
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        "confidence": "high",
        "note": "Parsed from RFC index XML",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
        "updated": "2026-10-16T18:57:20.525Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
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      "errataExist": true,
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        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
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      "errataUrl": [
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        "https://www.rfc-editor.org/errata_search.php?rfc=6381"
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      "errataUrl$meta": {
        "confidence": "high",
        "note": "Parsed from errata links on RFC/Datatracker pages",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
        "updated": "2026-10-16T18:57:20.525Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
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      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
        "updated": "2026-10-16T18:57:20.525Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
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      "statusNote": "Proposed Standard",
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        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
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        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
        "updated": "2026-10-16T18:57:20.525Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
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      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
        "updated": "2026-10-16T18:57:20.525Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
      },
      "supersedes": [
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        "confidence": "high",
        "note": "Parsed from RFC index XML",
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        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6381/",
        "updated": "2026-10-16T18:57:20.525Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
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}