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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=ISO-8859-1">
<meta name="generator" content="Adobe GoLive 6">
<title>The 'MP4' Registration Authority</title>
<link rel="stylesheet" type="text/css" href="style.css">
<script type="text/javascript" src="helper.js"></script>
<script type="text/javascript">
window.onload = function() {
loadCSV('CSV/specifications.csv', function (specs) {
loadCSV('CSV/boxes.csv', function (boxes) {
buildTable(boxes, specs, document.getElementById('boxesTable'));
});
loadCSV('CSV/boxes-udta.csv', function (boxes) {
buildTable(boxes, specs, document.getElementById('udtaBoxesTable'));
});
loadCSV('CSV/boxes-qt.csv', function (boxes) {
buildTable(boxes, specs, document.getElementById('qtBoxesTable'));
});
});
}
</script>
</head>
<body bgcolor="#ffffff">
<p><img src="Graphics/mp4reg.gif" alt="" width="184" height="48" border="0"></p>
<table width="600" border="0" cellspacing="0" cellpadding="0">
<tr height="1">
<td width="50" height="1"></td> <td width="50" height="1"></td> <td width="50" height="1"></td>
<td width="50" height="1"></td> <td width="50" height="1"></td> <td width="50" height="1"></td>
<td width="50" height="1"></td> <td width="50" height="1"></td> <td width="50" height="1"></td>
<td width="50" height="1"></td> <td width="50" height="1"></td> <td width="50" height="1"></td>
</tr>
<tr height="32">
<td colspan="3" width="150" height="32"><a href="index.html"><img src="Graphics/introtab.gif" alt="" width="150" height="32" border="0"></a></td>
<td colspan="3" width="150" height="32"><a href="specs.html"><img src="Graphics/spectab.gif" alt="" width="150" height="32" border="0"></a></td>
<td colspan="3" width="150" height="32"><img src="Graphics/regtypestab.gif" alt="" width="150" height="32" border="0"></td>
<td colspan="3" width="150" height="32"><a href="request.html"><img src="Graphics/reqtab.gif" alt="" width="150" height="32" border="0"></a></td>
</tr>
<tr height="24">
<td colspan="2" width="100" height="24"><img src="Graphics/atoms-ch.gif" alt="" width="100" height="24" border="0"></td>
<td colspan="2" width="100" height="24"><a href="filetype.html"><img src="Graphics/filetype-pl.gif" alt="" width="100" height="24" border="0"></a></td>
<td colspan="2" width="100" height="24"><a href="codecs.html"><img src="Graphics/codecs-pl.gif" alt="" width="100" height="24" border="0"></a></td>
<td colspan="2" width="100" height="24"><a href="trackref.html"><img src="Graphics/trackref-pl.gif" alt="" width="100" height="24" border="0"></a></td>
<td colspan="2" width="100" height="24"><a href="handler.html"><img src="Graphics/handler-pl.gif" alt="" width="100" height="24" border="0"></a></td>
<td colspan="2" width="100" height="24"><a href="object.html"><img src="Graphics/object-pl.gif" alt="" width="100" height="24" border="0"></a></td>
</tr>
</table>
<table width="600" border="0" cellspacing="0" cellpadding="0" cool gridx="20" gridy="20" height="125" showgridx showgridy usegridx usegridy>
<tr height="124">
<td content csheight="120" width="593" height="124" valign="top" xpos="0"><p>This sub-section documents the structural <em>atom or box type</em>s for the file formats. All files in this family are structured as a series of boxes (also known as atoms). Each box has a size and a four-character-code type. Boxes may contain other boxes.</p>
<p>User-data types are in a separate table <a href="#userdata">below</a>.</p>
<div align="center"></div>
<p><b>ISO family codes</b> (see <a href="#qtatom">below</a> for additional QuickTime codes)</p>
</td>
<td width="6" height="124"></td>
<td width="1" height="124"><spacer type="block" width="1" height="124"></td>
</tr>
<tr height="1" cntrlrow>
<td width="593" height="1"><spacer type="block" width="593" height="1"></td>
<td width="6" height="1"><spacer type="block" width="6" height="1"></td>
<td width="1" height="1"></td>
</tr>
</table>
<div id="boxesTable">
</div>
<!--table border=4 cellpadding=0 cellspacing=2 width=597 style="border-collapse:
collapse;table-layout:fixed">
<tr class=xl26 >
<td class=xl26 width=80><strong>Code</strong></td>
<td class=xl27 width=383 ><strong>Abstract</strong></td>
<td class=xl26 width=110 ><strong>Defined in/by</strong></td>
</tr>
<tr>
<td class=xl24><font face="Courier New, Courier, Monaco, monospace">ainf</font></td>
<td class=xl25 >Asset information to identify, license and play</td>
<td class=xl37 ><a href="specs.html#DECE10">DECE</a></td>
</tr>
<tr >
<td class=xl24><font face="Courier New, Courier, Monaco, monospace">avcn</font></td>
<td class=xl25 >AVC NAL Unit Storage Box</td>
<td class=xl37 ><a href="specs.html#DECE10">DECE</a></td>
</tr>
<tr >
<td class=xl24><font face="Courier New, Courier, Monaco, monospace">bloc</font></td>
<td class=xl25 >Base location and purchase location for license acquisition</td>
<td class=xl37 ><a href="specs.html#DECE10">DECE</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">bpcc</font></td>
<td class=xl25 width=383 >Bits per component</td>
<td class=xl37 width="110" ><a href="specs.html#JPEG2000" target="_parent">JP2</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">buff</font></td>
<td class=xl25 width=383>Buffering information</td>
<td class=xl37 width="110"><a href="specs.html#AVC" target="_parent">NALu Video</a></td>
</tr>
<tr >
<td class=xl26 width=80><font face="Courier New, Courier, Monaco, monospace">bxml</font></td>
<td class=xl27 width=383>binary XML container</td>
<td class=xl26 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">ccid</font></td>
<td class=xl30 width=383>OMA DRM Content ID</td>
<td class=xl36 width=110><a href="specs.html#omadcf21">OMA DRM 2.1</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">cdef</font></td>
<td class=xl25 width=383>type and ordering of the components within the codestream</td>
<td class=xl37 width="110"><a href="specs.html#JPEG2000" target="_parent">JP2</a></td>
</tr>
<tr class=xl26>
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">clip</font></td>
<td class=xl27>Reserved</td>
<td class=xl26><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">cmap</font></td>
<td class=xl25 width=383>mapping between a palette and codestream components</td>
<td class=xl37 width="110"><a href="specs.html#JPEG2000" target="_parent">JP2</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">co64</font></td>
<td class=xl29 width=383>64-bit chunk offset</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl24><font face="Courier New, Courier, Monaco, monospace">coin</font></td>
<td class=xl25>Content Information Box</td>
<td class=xl37><a href="specs.html#DECE10">DECE</a><a href="specs.html#ultraviolet" target="_parent"></a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">colr</font></td>
<td class=xl25 width=383>specifies the colourspace of the image</td>
<td class=xl37 width="110"><a href="specs.html#JPEG2000" target="_parent">JP2</a></td>
</tr>
<tr >
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">crgn</font></td>
<td class=xl27>Reserved</td>
<td class=xl26><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">crhd</font></td>
<td class=xl30 width=383>reserved for ClockReferenceStream header</td>
<td class=xl36 width=110><a href="specs.html#MP4V1" target="_parent">MP4V1</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">cslg</font></td>
<td class=xl25 width=383>composition to decode timeline mapping</td>
<td class=xl37 width="110"><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">ctab</font></td>
<td class=xl27>Reserved</td>
<td class=xl26><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">ctts</font></td>
<td class=xl29 width=383>(composition) time to sample</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">cvru</font></td>
<td class=xl30 width=383>OMA DRM Cover URI</td>
<td class=xl36 width=110><a href="specs.html#omadcf21">OMA DRM 2.1</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">dinf</font></td>
<td class=xl29 width=383>data information box, container</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">dref</font></td>
<td class=xl29 width=383>data reference box, declares source(s) of media data in track</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">dsgd</font></td>
<td class=xl25 width=383>DVB Sample Group Description Box</td>
<td class=xl37 width="110"><a href="specs.html#DVBa121">DVB</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">dstg</font></td>
<td class=xl25 width=383>DVB Sample to Group Box</td>
<td class=xl37 width="110"><a href="specs.html#DVBa121">DVB</a></td>
</tr>
<tr>
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">edts</font></td>
<td class=xl29 width=383>edit list container</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">elst</font></td>
<td class=xl29 width=383>an edit list</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">emsg</font></td>
<td class=xl27>event message</td>
<td class=xl26><a href="specs.html#DASH" target="_parent">DASH</a></td>
</tr>
<tr >
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">fdel</font></td>
<td class=xl27>File delivery information (item info extension)</td>
<td class=xl26><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">feci</font></td>
<td class=xl25 width=383>FEC Informatiom</td>
<td class=xl37 width="110"><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">fecr</font></td>
<td class=xl25 width=383>FEC Reservoir</td>
<td class=xl37 width="110"><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">fiin</font></td>
<td class=xl25 width=383>FD Item Information</td>
<td class=xl37 width="110"><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">fire</font></td>
<td class=xl25 width=383>File Reservoir</td>
<td class=xl37 width="110"><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">fpar</font></td>
<td class=xl25 width=383>File Partition</td>
<td class=xl37 width="110"><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr class=xl26>
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">free</font></td>
<td class=xl29 width=383>free space</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl26 width=80><font face="Courier New, Courier, Monaco, monospace">frma</font></td>
<td class=xl27 width=383>original format box</td>
<td class=xl26 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">ftyp</font></td>
<td class=xl29 width=383>file type and compatibility</td>
<td width="110"><a href="specs.html#JPEG2000" target="_parent">JP2</a><span style="color:windowtext;
text-decoration:none">, </span><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">gitn</font></td>
<td class=xl25 width=383>Group ID to name</td>
<td class=xl37 width="110"><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">grpi</font></td>
<td class=xl30 width=383>OMA DRM Group ID</td>
<td class=xl36 width=110><a href="specs.html#OMADCF">OMA DRM 2.0</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">hdlr</font></td>
<td class=xl29 width=383>handler, declares the media (handler) type</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">hmhd</font></td>
<td class=xl29 width=383>hint media header, overall information (hint track only)</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">hpix</font></td>
<td class=xl29 width=383>Hipix Rich Picture (user-data or meta-data)</td>
<td class=xl36 width=110><a href="specs.html#hum-mon">HIPIX</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">icnu</font></td>
<td class=xl30 width=383>OMA DRM Icon URI</td>
<td class=xl36 width=110><a href="specs.html#OMADCF">OMA DRM 2.0</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">ID32</font></td>
<td class=xl25 width=383>ID3 version 2 container</td>
<td class=xl37 width="110"><a href="specs.html#id3v2">inline</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">idat</font></td>
<td class=xl25 width=383>Item data</td>
<td class=xl37 width="110"><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr class=xl26>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">ihdr</font></td>
<td class=xl25 width=383>Image Header</td>
<td class=xl37 width="110"><a href="specs.html#JPEG2000" target="_parent">JP2</a></td>
</tr>
<tr class=xl26>
<td class=xl26 width=80><font face="Courier New, Courier, Monaco, monospace">iinf</font></td>
<td class=xl27 width=383>item information</td>
<td class=xl26 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr class=xl26>
<td class=xl26 width=80><font face="Courier New, Courier, Monaco, monospace">iloc</font></td>
<td class=xl27 width=383>item location</td>
<td class=xl26 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">imap</font></td>
<td class=xl27>Reserved</td>
<td class=xl26><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl26 width=80><font face="Courier New, Courier, Monaco, monospace">imif</font></td>
<td class=xl27 width=383>IPMP Information box</td>
<td class=xl26 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">infe</font></td>
<td class=xl27>Item information entry</td>
<td class=xl26><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">infu</font></td>
<td class=xl30 width=383>OMA DRM Info URL</td>
<td class=xl36 width=110><a href="specs.html#OMADCF">OMA DRM 2.0</a></td>
</tr>
<tr class=xl26>
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">iods</font></td>
<td class=xl29 width=383>Object Descriptor container box</td>
<td class=xl36 width=110><a href="specs.html#MP4V1" target="_parent">MP4V1</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">iphd</font></td>
<td class=xl30 width=383>reserved for IPMP Stream header</td>
<td class=xl36 width=110><a href="specs.html#MP4V1" target="_parent">MP4V1</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">ipmc</font></td>
<td class=xl30 width=383>IPMP Control Box</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl26 width=80><font face="Courier New, Courier, Monaco, monospace">ipro</font></td>
<td class=xl27 width=383>item protection</td>
<td class=xl26 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">iref</font></td>
<td class=xl25 width=383>Item reference</td>
<td class=xl37 width="110"><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">jP$20$20</font></td>
<td class=xl25 width=383>JPEG 2000 Signature</td>
<td class=xl37 width="110"><a href="specs.html#JPEG2000" target="_parent">JP2</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">jp2c</font></td>
<td class=xl25 width=383>JPEG 2000 contiguous codestream</td>
<td class=xl37 width="110"><a href="specs.html#JPEG2000" target="_parent">JP2</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">jp2h</font></td>
<td class=xl25 width=383>Header</td>
<td class=xl37 width="110"><a href="specs.html#JPEG2000" target="_parent">JP2</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">jp2i</font></td>
<td class=xl25 width=383>intellectual property information</td>
<td class=xl37 width="110"><a href="specs.html#JPEG2000" target="_parent">JP2</a></td>
</tr>
<tr >
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">kmat</font></td>
<td class=xl27>Reserved</td>
<td class=xl26><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">leva</font></td>
<td class=xl27>Leval assignment</td>
<td class=xl26><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">load</font></td>
<td class=xl27>Reserved</td>
<td class=xl26><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">lrcu</font></td>
<td class=xl30 width=383>OMA DRM Lyrics URI</td>
<td class=xl36 width=110><a href="specs.html#omadcf21">OMA DRM 2.1</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">m7hd</font></td>
<td class=xl30 width=383>reserved for MPEG7Stream header</td>
<td class=xl36 width=110><a href="specs.html#MP4V1" target="_parent">MP4V1</a></td>
</tr>
<tr>
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">matt</font></td>
<td class=xl27>Reserved</td>
<td class=xl26><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr class=xl26>
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">mdat</font></td>
<td class=xl29 width=383>media data container</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">mdhd</font></td>
<td class=xl29 width=383>media header, overall information about the media</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">mdia</font></td>
<td class=xl29 width=383>container for the media information in a track</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">mdri</font></td>
<td class=xl30 width=383>Mutable DRM information</td>
<td class=xl36 width=110><a href="specs.html#OMADCF">OMA DRM 2.0</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">meco</font></td>
<td class=xl25 width=383>additional metadata container</td>
<td class=xl37 width="110"><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">mehd</font></td>
<td class=xl29 width=383>movie extends header box</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">mere</font></td>
<td class=xl25 width=383>metabox relation</td>
<td class=xl37 width="110"><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl26 width=80><font face="Courier New, Courier, Monaco, monospace">meta</font></td>
<td class=xl27 width=383>Metadata container</td>
<td class=xl26 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">mfhd</font></td>
<td class=xl29 width=383>movie fragment header</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">mfra</font></td>
<td class=xl29 width=383>Movie fragment random access </td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">mfro</font></td>
<td class=xl29 width=383>Movie fragment random access offset</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">minf</font></td>
<td class=xl29 width=383>media information container</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">mjhd</font></td>
<td class=xl30 width=383>reserved for MPEG-J Stream header</td>
<td class=xl36 width=110><a href="specs.html#MP4V1" target="_parent">MP4V1</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">moof</font></td>
<td class=xl29 width=383>movie fragment</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">moov</font></td>
<td class=xl29 width=383>container for all the meta-data</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">mvcg</font></td>
<td class=xl25 width=383>Multiview group</td>
<td class=xl37 width="110"><a href="specs.html#AVC" target="_parent">NALu Video</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">mvci</font></td>
<td class=xl25 width=383>Multiview Information</td>
<td class=xl37 width="110"><a href="specs.html#AVC" target="_parent">NALu Video</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">mvex</font></td>
<td class=xl29 width=383>movie extends box</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">mvhd</font></td>
<td class=xl29 width=383>movie header, overall declarations</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">mvra</font></td>
<td class=xl25 width=383>Multiview Relation Attribute</td>
<td class=xl37 width="110"><a href="specs.html#AVC" target="_parent">NALu Video</a></td>
</tr>
<tr>
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">nmhd</font></td>
<td class=xl29 width=383>Null media header, overall information (some tracks only)</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">ochd</font></td>
<td class=xl30 width=383>reserved for ObjectContentInfoStream header</td>
<td class=xl36 width=110><a href="specs.html#MP4V1" target="_parent">MP4V1</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">odaf</font></td>
<td class=xl30 width=383>OMA DRM Access Unit Format</td>
<td class=xl36 width=110><a href="specs.html#OMADCF">OMA DRM 2.0</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">odda</font></td>
<td class=xl30 width=383>OMA DRM Content Object</td>
<td class=xl36 width=110><a href="specs.html#OMADCF">OMA DRM 2.0</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">odhd</font></td>
<td class=xl30 width=383>reserved for ObjectDescriptorStream header</td>
<td class=xl36 width=110><a href="specs.html#MP4V1" target="_parent">MP4V1</a></td>
</tr>
<tr class=xl26>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">odhe</font></td>
<td class=xl30 width=383>OMA DRM Discrete Media Headers</td>
<td class=xl36 width=110><a href="specs.html#OMADCF">OMA DRM 2.0</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">odrb</font></td>
<td class=xl30 width=383>OMA DRM Rights Object</td>
<td class=xl36 width=110><a href="specs.html#OMADCF">OMA DRM 2.0</a></td>
</tr>
<tr class=xl26>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">odrm</font></td>
<td class=xl30 width=383>OMA DRM Container</td>
<td class=xl36 width=110><a href="specs.html#OMADCF">OMA DRM 2.0</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">odtt</font></td>
<td class=xl30 width=383>OMA DRM Transaction Tracking</td>
<td class=xl36 width=110><a href="specs.html#OMADCF">OMA DRM 2.0</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">ohdr</font></td>
<td class=xl30 width=383>OMA DRM Common headers</td>
<td class=xl36 width=110><a href="specs.html#OMADCF">OMA DRM 2.0</a></td>
</tr>
<tr>
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">padb</font></td>
<td class=xl29 width=383>sample padding bits</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">paen</font></td>
<td class=xl25 width=383>Partition Entry</td>
<td class=xl37 width="110"><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr class=xl26>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">pclr</font></td>
<td class=xl25 width=383>palette which maps a single component in index space to a multiple- component image</td>
<td class=xl37 width="110"><a href="specs.html#JPEG2000" target="_parent">JP2</a></td>
</tr>
<tr class=xl26>
<td class=xl26 width=80><font face="Courier New, Courier, Monaco, monospace">pdin</font></td>
<td class=xl27 width=383>Progressive download information</td>
<td class=xl26 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl26 width=80><font face="Courier New, Courier, Monaco, monospace">pitm</font></td>
<td class=xl27 width=383>primary item reference</td>
<td class=xl26 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">pnot</font></td>
<td class=xl27>Reserved</td>
<td class=xl26><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">prft</font></td>
<td class=xl27>Producer reference time</td>
<td class=xl26><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td class=xl24><font face="Courier New, Courier, Monaco, monospace">pssh</font></td>
<td class=xl25>Protection system specific header</td>
<td class=xl37><a href="specs.html#ISO-CENC">ISO-CENC</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">res$20</font></td>
<td class=xl25 width=383>grid resolution</td>
<td class=xl37 width="110"><a href="specs.html#JPEG2000" target="_parent">JP2</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">resc</font></td>
<td class=xl25 width=383>grid resolution at which the image was captured</td>
<td class=xl37 width="110"><a href="specs.html#JPEG2000" target="_parent">JP2</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">resd</font></td>
<td class=xl25 width=383>default grid resolution at which the image should be displayed</td>
<td class=xl37 width="110"><a href="specs.html#JPEG2000" target="_parent">JP2</a></td>
</tr>
<tr >
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">rinf</font></td>
<td class=xl27>restricted scheme information box</td>
<td class=xl26><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">saio</font></td>
<td class=xl27>Sample auxiliary information offsets</td>
<td class=xl26><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr class=xl26>
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">saiz</font></td>
<td class=xl27>Sample auxiliary information sizes</td>
<td class=xl26><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">sbgp</font></td>
<td class=xl25 width=383>Sample to Group box</td>
<td class=xl37 width="110"><a href="specs.html#AVC" target="_parent">NALu Video, </a><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl26 width=80><font face="Courier New, Courier, Monaco, monospace">schi</font></td>
<td class=xl27 width=383>scheme information box</td>
<td class=xl26 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td class=xl26 width=80><font face="Courier New, Courier, Monaco, monospace">schm</font></td>
<td class=xl27 width=383>scheme type box</td>
<td class=xl26 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">sdep</font></td>
<td class=xl25 width=383>Sample dependency</td>
<td class=xl37 width="110"><a href="specs.html#AVC" target="_parent">NALu Video</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">sdhd</font></td>
<td class=xl30 width=383>reserved for SceneDescriptionStream header</td>
<td class=xl36 width=110><a href="specs.html#MP4V1" target="_parent">MP4V1</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">sdtp</font></td>
<td class=xl25 width=383>Independent and Disposable Samples Box</td>
<td class=xl37 width="110"><a href="specs.html#AVC" target="_parent">NALu Video, </a><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">sdvp</font></td>
<td class=xl25 width=383>SD Profile Box</td>
<td class=xl37 width="110"><a href="specs.html#SDV" target="_parent">SDV</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">segr</font></td>
<td class=xl25 width=383>file delivery session group</td>
<td class=xl37 width="110"><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl24><font face="Courier New, Courier, Monaco, monospace">senc</font></td>
<td class=xl25 >Sample specific encryption data</td>
<td class=xl37 ><a href="specs.html#ISO-CENC">ISO-CENC</a><a href="specs.html#DECE10"></a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">sgpd</font></td>
<td class=xl25 width=383>Sample group definition box</td>
<td class=xl37 width="110"><a href="specs.html#AVC" target="_parent">NALu Video, </a><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">sidx</font></td>
<td class=xl25 width=383>Segment Index Box</td>
<td class=xl37 width="110"><a href="specs.html#3GPP">3GPP</a></td>
</tr>
<tr >
<td class=xl26 width=80><font face="Courier New, Courier, Monaco, monospace">sinf</font></td>
<td class=xl27 width=383>protection scheme information box</td>
<td class=xl26 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">skip</font></td>
<td class=xl29 width=383>free space</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">smhd</font></td>
<td class=xl29 width=383>sound media header, overall information (sound track only)</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">srmb</font></td>
<td class=xl29 width=383>System Renewability Message</td>
<td class=xl36 width=110><a href="specs.html#DVBa121">DVB</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">srmc</font></td>
<td class=xl29 width=383>System Renewability Message container</td>
<td class=xl36 width=110><a href="specs.html#DVBa121">DVB</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">srpp</font></td>
<td class=xl25 width=383>STRP Process</td>
<td class=xl37 width="110"><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">ssix</font></td>
<td class=xl27>Sub-sample index</td>
<td class=xl26><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">stbl</font></td>
<td class=xl29 width=383>sample table box, container for the time/space map</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">stco</font></td>
<td class=xl29 width=383>chunk offset, partial data-offset information</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">stdp</font></td>
<td class=xl29 width=383>sample degradation priority</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td class=xl24><font face="Courier New, Courier, Monaco, monospace">sthd</font></td>
<td class=xl25 >Subtitle Media Header Box</td>
<td class=xl37 ><a href="specs.html#ISO" target="_parent">ISO</a><a href="specs.html#DECE10"></a></td>
</tr>
<tr>
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">strd</font></td>
<td class=xl27>Sub-track definition</td>
<td class=xl26><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">stri</font></td>
<td class=xl27>Sub-track information</td>
<td class=xl26><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">stsc</font></td>
<td class=xl29 width=383>sample-to-chunk, partial data-offset information</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">stsd</font></td>
<td class=xl29 width=383>sample descriptions (codec types, initialization etc.)</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">stsg</font></td>
<td class=xl27>Sub-track sample grouping</td>
<td class=xl26><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">stsh</font></td>
<td class=xl29 width=383>shadow sync sample table</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">stss</font></td>
<td class=xl29 width=383>sync sample table (random access points)</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">stsz</font></td>
<td class=xl29 width=383>sample sizes (framing)</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">stts</font></td>
<td class=xl29 width=383>(decoding) time-to-sample</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">styp</font></td>
<td class=xl25 width=383>Segment Type Box</td>
<td class=xl37 width="110"><a href="specs.html#3GPP">3GPP</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">stz2</font></td>
<td class=xl29 width=383>compact sample sizes (framing)</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">subs</font></td>
<td class=xl25 width=383>Sub-sample information</td>
<td class=xl37 width="110"><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">swtc</font></td>
<td class=xl25 width=383>Multiview Group Relation</td>
<td class=xl37 width="110"><a href="specs.html#AVC" target="_parent">NALu Video</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">tfad</font></td>
<td class=xl25 width=383>Track fragment adjustment box</td>
<td class=xl37 width="110"><a href="specs.html#3GPP">3GPP</a></td>
</tr>
<tr >
<td class=xl26><font face="Courier New, Courier, Monaco, monospace">tfdt</font></td>
<td class=xl27>Track fragment decode time</td>
<td class=xl26><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">tfhd</font></td>
<td class=xl29 width=383>Track fragment header</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">tfma</font></td>
<td class=xl25 width=383>Track fragment media adjustment box</td>
<td class=xl37 width="110"><a href="specs.html#3GPP">3GPP</a></td>
</tr>
<tr class=xl26>
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">tfra</font></td>
<td class=xl29 width=383>Track fragment radom access</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">tibr</font></td>
<td class=xl25 width=383>Tier Bit rate</td>
<td class=xl37 width="110"><a href="specs.html#AVC" target="_parent">NALu Video</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">tiri</font></td>
<td class=xl25 width=383>Tier Information</td>
<td class=xl37 width="110"><a href="specs.html#AVC" target="_parent">NALu Video</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">tkhd</font></td>
<td class=xl29 width=383>Track header, overall information about the track</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">traf</font></td>
<td class=xl29 width=383>Track fragment</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">trak</font></td>
<td class=xl29 width=383>container for an individual track or stream</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">tref</font></td>
<td class=xl29 width=383>track reference container</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">trex</font></td>
<td class=xl29 width=383>track extends defaults</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">trgr</font></td>
<td class=xl25 width=383>Track grouping information</td>
<td class=xl37 width="110"><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl24><font face="Courier New, Courier, Monaco, monospace">trik</font></td>
<td class=xl25 >Facilitates random access and trick play modes</td>
<td class=xl37 ><a href="specs.html#DECE10">DECE</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">trun</font></td>
<td class=xl29 width=383>track fragment run</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">udta</font></td>
<td class=xl29 width=383>user-data</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">uinf</font></td>
<td class=xl25 width=383>a tool by which a vendor may provide access to additional information associated with a UUID</td>
<td class=xl37 width="110"><a href="specs.html#JPEG2000" target="_parent">JP2</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">UITS</font></td>
<td class=xl25 width=383>Unique Identifier Technology Solution</td>
<td class=xl37 width="110"><a href="specs.html#UMG">Universal Music</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">ulst</font></td>
<td class=xl25 width=383>a list of UUID’s</td>
<td class=xl37 width="110"><a href="specs.html#JPEG2000" target="_parent">JP2</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">url$20</font></td>
<td class=xl25 width=383>a URL</td>
<td class=xl37 width="110"><a href="specs.html#JPEG2000" target="_parent">JP2</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">uuid</font></td>
<td class=xl30 width=383>user-extension box</td>
<td class=xl31 width="110"><a href="specs.html#ISO" target="_parent">ISO<span style="color:windowtext;font-size:9.0pt;text-decoration:none">, </span>JP2</a></td>
</tr>
<tr >
<td class=xl28 width=80><font face="Courier New, Courier, Monaco, monospace">vmhd</font></td>
<td class=xl29 width=383>video media header, overall information (video track only)</td>
<td class=xl36 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">vwdi</font></td>
<td class=xl25 width=383>Multiview Scene Information</td>
<td class=xl37 width="110"><a href="specs.html#AVC" target="_parent">NALu Video</a></td>
</tr>
<tr >
<td class=xl26 width=80><font face="Courier New, Courier, Monaco, monospace">xml$20</font></td>
<td class=xl27 width=383>XML container</td>
<td class=xl26 width=110><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td width="80" class=xl24><font face="Courier New, Courier, Monaco, monospace">xml$20</font></td>
<td class=xl25 width=383>a tool by which vendors can add XML formatted information</td>
<td class=xl37 width="110"><a href="specs.html#JPEG2000" target="_parent">JP2</a></td>
</tr>
</table-->
<p><a name="userdata" id="userdata"></a><b>User-data Codes</b></p>
<div id="udtaBoxesTable">
</div>
<!--table width=597 border=4 cellpadding=0 cellspacing=2 style="border-collapse:
collapse;table-layout:fixed">
<tr class=xl26 >
<td class=xl26 width="80"><strong>Code</strong></td>
<td class=xl27 width="383"><strong>Abstract</strong></td>
<td class=xl26 width="92"><strong>Defined in/by</strong></td>
</tr>
<tr>
<td class=xl24><font face="Courier New, Courier, Monaco, monospace">albm</font></td>
<td class=xl25>Album title and track number for media</td>
<td class=xl37><a href="specs.html#3GPP">3GPP</a></td>
</tr>
<tr>
<td class=xl24><font face="Courier New, Courier, Monaco, monospace">alou</font></td>
<td class=xl25>Album loudness base</td>
<td class=xl37><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr>
<td class=xl24><font face="Courier New, Courier, Monaco, monospace">angl</font></td>
<td class=xl25>Name of the camera angle through which the clip was shot</td>
<td class=xl37><a href="specs.html#apple">Apple</a></td>
</tr>
<tr >
<td class=xl28><font face="Courier New, Courier, Monaco, monospace">auth</font></td>
<td class=xl29>Author of the media</td>
<td class=xl36><a href="specs.html#3GPP">3GPP</a><a href="specs.html#ISO" target="_parent"></a></td>
</tr>
<tr>
<td class=xl24><font face="Courier New, Courier, Monaco, monospace">clfn</font></td>
<td class=xl25>Name of the clip file</td>
<td class=xl37><a href="specs.html#apple">Apple</a></td>
</tr>
<tr>
<td class=xl24><font face="Courier New, Courier, Monaco, monospace">clid</font></td>
<td class=xl25>Identifier of the clip</td>
<td class=xl37><a href="specs.html#apple">Apple</a></td>
</tr>
<tr >
<td class=xl24><font face="Courier New, Courier, Monaco, monospace">clsf</font></td>
<td class=xl25>Classification of the media</td>
<td class=xl37><a href="specs.html#3GPP">3GPP</a></td>
</tr>
<tr >
<td class=xl24><font face="Courier New, Courier, Monaco, monospace">cmid</font></td>
<td class=xl25>Identifier of the camera</td>
<td class=xl37><a href="specs.html#apple">Apple</a></td>
</tr>
<tr >
<td class=xl24><font face="Courier New, Courier, Monaco, monospace">cmnm</font></td>
<td class=xl25>Name that identifies the camera</td>
<td class=xl37><a href="specs.html#apple">Apple</a></td>
</tr>
<tr>
<td class=xl24><font face="Courier New, Courier, Monaco, monospace">coll</font></td>
<td class=xl25>Name of the collection from which the media comes</td>
<td class=xl37><a href="specs.html#3GPP">3GPP</a></td>
</tr>
<tr>
<td class=xl28><font face="Courier New, Courier, Monaco, monospace">cprt</font></td>
<td class=xl29>copyright etc.</td>
<td class=xl36><a href="specs.html#ISO" target="_parent">ISO</a></td>
</tr>
<tr >
<td class=xl24><font face="Courier New, Courier, Monaco, monospace">date</font></td>
<td class=xl25>Date and time, formatted according to ISO 8601, when the content was created. For clips captured by recording devices, this is typically the date and time when the clip’s recording started.</td>
<td class=xl37><a href="specs.html#apple">Apple</a></td>
</tr>
<tr>
<td class=xl24><font face="Courier New, Courier, Monaco, monospace">dscp</font></td>
<td class=xl25>Media description</td>
<td class=xl37><a href="specs.html#3GPP">3GPP</a></td>
</tr>
<tr>