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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
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<title>mpeg4parser: GStreamer Bad Plugins 1.0 Library Reference Manual</title>
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<link rel="prev" href="gst-plugins-bad-libs-mpegvideoparser.html" title="mpegvideoparser">
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle">
<td width="100%" align="left" class="shortcuts">
<a href="#" class="shortcut">Top</a><span id="nav_description">  <span class="dim">|</span> 
                  <a href="#gst-plugins-bad-libs-mpeg4parser.description" class="shortcut">Description</a></span>
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<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
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</tr></table>
<div class="refentry">
<a name="gst-plugins-bad-libs-mpeg4parser"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-bad-libs-mpeg4parser.top_of_page"></a>mpeg4parser</span></h2>
<p>mpeg4parser — Convenience library for parsing mpeg4 part 2 video
bitstream.</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-mpeg4parser.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult"><span class="returnvalue">GstMpeg4ParseResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#gst-mpeg4-parse" title="gst_mpeg4_parse ()">gst_mpeg4_parse</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult"><span class="returnvalue">GstMpeg4ParseResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#gst-mpeg4-parse-video-object-plane" title="gst_mpeg4_parse_video_object_plane ()">gst_mpeg4_parse_video_object_plane</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult"><span class="returnvalue">GstMpeg4ParseResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#gst-mpeg4-parse-group-of-vop" title="gst_mpeg4_parse_group_of_vop ()">gst_mpeg4_parse_group_of_vop</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult"><span class="returnvalue">GstMpeg4ParseResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#gst-mpeg4-parse-video-object-layer" title="gst_mpeg4_parse_video_object_layer ()">gst_mpeg4_parse_video_object_layer</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult"><span class="returnvalue">GstMpeg4ParseResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#gst-mpeg4-parse-visual-object" title="gst_mpeg4_parse_visual_object ()">gst_mpeg4_parse_visual_object</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult"><span class="returnvalue">GstMpeg4ParseResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#gst-mpeg4-parse-visual-object-sequence" title="gst_mpeg4_parse_visual_object_sequence ()">gst_mpeg4_parse_visual_object_sequence</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult"><span class="returnvalue">GstMpeg4ParseResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#gst-mpeg4-parse-video-packet-header" title="gst_mpeg4_parse_video_packet_header ()">gst_mpeg4_parse_video_packet_header</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-mpeg4parser.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4StartCode" title="enum GstMpeg4StartCode">GstMpeg4StartCode</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VisualObjectType" title="enum GstMpeg4VisualObjectType">GstMpeg4VisualObjectType</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4AspectRatioInfo" title="enum GstMpeg4AspectRatioInfo">GstMpeg4AspectRatioInfo</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult">GstMpeg4ParseResult</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoObjectCodingType" title="enum GstMpeg4VideoObjectCodingType">GstMpeg4VideoObjectCodingType</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ChromaFormat" title="enum GstMpeg4ChromaFormat">GstMpeg4ChromaFormat</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoObjectLayerShape" title="enum GstMpeg4VideoObjectLayerShape">GstMpeg4VideoObjectLayerShape</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4SpriteEnable" title="enum GstMpeg4SpriteEnable">GstMpeg4SpriteEnable</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4Profile" title="enum GstMpeg4Profile">GstMpeg4Profile</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4Level" title="enum GstMpeg4Level">GstMpeg4Level</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VisualObjectSequence" title="struct GstMpeg4VisualObjectSequence">GstMpeg4VisualObjectSequence</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VisualObject" title="struct GstMpeg4VisualObject">GstMpeg4VisualObject</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoSignalType" title="struct GstMpeg4VideoSignalType">GstMpeg4VideoSignalType</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoPlaneShortHdr" title="struct GstMpeg4VideoPlaneShortHdr">GstMpeg4VideoPlaneShortHdr</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoObjectLayer" title="struct GstMpeg4VideoObjectLayer">GstMpeg4VideoObjectLayer</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4SpriteTrajectory" title="struct GstMpeg4SpriteTrajectory">GstMpeg4SpriteTrajectory</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4GroupOfVOP" title="struct GstMpeg4GroupOfVOP">GstMpeg4GroupOfVOP</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoObjectPlane" title="struct GstMpeg4VideoObjectPlane">GstMpeg4VideoObjectPlane</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4Packet" title="struct GstMpeg4Packet">GstMpeg4Packet</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoPacketHdr" title="struct GstMpeg4VideoPacketHdr">GstMpeg4VideoPacketHdr</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-mpeg4parser.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;gst/codecparsers/gstmpeg4parser.h&gt;
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-mpeg4parser.description"></a><h2>Description</h2>
<p>For more details about the structures, you can refer to the
specifications: ISO-IEC-14496-2_2004_MPEG4_VISUAL.pdf</p>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-mpeg4parser.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gst-mpeg4-parse"></a><h3>gst_mpeg4_parse ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult"><span class="returnvalue">GstMpeg4ParseResult</span></a>
gst_mpeg4_parse (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4Packet" title="struct GstMpeg4Packet"><span class="type">GstMpeg4Packet</span></a> *packet</code></em>,
                 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> skip_user_data</code></em>,
                 <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoObjectPlane" title="struct GstMpeg4VideoObjectPlane"><span class="type">GstMpeg4VideoObjectPlane</span></a> *vop</code></em>,
                 <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *data</code></em>,
                 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>,
                 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gsize"><span class="type">gsize</span></a> size</code></em>);</pre>
<p>Parses <em class="parameter"><code>data</code></em>
 and fills <em class="parameter"><code>packet</code></em>
 with the information of the next packet
found.</p>
<div class="refsect3">
<a name="id-1.2.4.6.7.2.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>packet</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4Packet" title="struct GstMpeg4Packet"><span class="type">GstMpeg4Packet</span></a> to fill</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>skip_user_data</p></td>
<td class="parameter_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> to skip user data packet <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwize</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>vop</p></td>
<td class="parameter_description"><p>The last parsed <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoObjectPlane" title="struct GstMpeg4VideoObjectPlane"><span class="type">GstMpeg4VideoObjectPlane</span></a> or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if you do
not need to detect the resync codes.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>offset</p></td>
<td class="parameter_description"><p>offset from which to start the parsing</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>The data to parse</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>size</p></td>
<td class="parameter_description"><p>The size of the <em class="parameter"><code>data</code></em>
to parse</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.7.2.6"></a><h4>Returns</h4>
<p> a <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult"><span class="type">GstMpeg4ParseResult</span></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-mpeg4-parse-video-object-plane"></a><h3>gst_mpeg4_parse_video_object_plane ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult"><span class="returnvalue">GstMpeg4ParseResult</span></a>
gst_mpeg4_parse_video_object_plane (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoObjectPlane" title="struct GstMpeg4VideoObjectPlane"><span class="type">GstMpeg4VideoObjectPlane</span></a> *vop</code></em>,
                                    <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4SpriteTrajectory" title="struct GstMpeg4SpriteTrajectory"><span class="type">GstMpeg4SpriteTrajectory</span></a> *sprite_trajectory</code></em>,
                                    <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoObjectLayer" title="struct GstMpeg4VideoObjectLayer"><span class="type">GstMpeg4VideoObjectLayer</span></a> *vol</code></em>,
                                    <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *data</code></em>,
                                    <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gsize"><span class="type">gsize</span></a> size</code></em>);</pre>
<p>Parses <em class="parameter"><code>data</code></em>
 containing the video object plane packet, and fills the <em class="parameter"><code>vol</code></em>

structure.</p>
<div class="refsect3">
<a name="id-1.2.4.6.7.3.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>vop</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoObjectPlane" title="struct GstMpeg4VideoObjectPlane"><span class="type">GstMpeg4VideoObjectPlane</span></a> currently being parsed</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>sprite_trajectory</p></td>
<td class="parameter_description"><p>A <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4SpriteTrajectory" title="struct GstMpeg4SpriteTrajectory"><span class="type">GstMpeg4SpriteTrajectory</span></a> to fill or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>vol</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoObjectLayer" title="struct GstMpeg4VideoObjectLayer"><span class="type">GstMpeg4VideoObjectLayer</span></a> structure to fill</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>The data to parse</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>size</p></td>
<td class="parameter_description"><p>The size of the <em class="parameter"><code>data</code></em>
to parse</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.7.3.6"></a><h4>Returns</h4>
<p> a <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult"><span class="type">GstMpeg4ParseResult</span></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-mpeg4-parse-group-of-vop"></a><h3>gst_mpeg4_parse_group_of_vop ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult"><span class="returnvalue">GstMpeg4ParseResult</span></a>
gst_mpeg4_parse_group_of_vop (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4GroupOfVOP" title="struct GstMpeg4GroupOfVOP"><span class="type">GstMpeg4GroupOfVOP</span></a> *gov</code></em>,
                              <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *data</code></em>,
                              <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gsize"><span class="type">gsize</span></a> size</code></em>);</pre>
<p>Parses <em class="parameter"><code>data</code></em>
 containing the group of video object plane packet, and fills
the <em class="parameter"><code>gov</code></em>
 structure.</p>
<div class="refsect3">
<a name="id-1.2.4.6.7.4.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>gov</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4GroupOfVOP" title="struct GstMpeg4GroupOfVOP"><span class="type">GstMpeg4GroupOfVOP</span></a> structure to fill</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>The data to parse</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>size</p></td>
<td class="parameter_description"><p>The size of the <em class="parameter"><code>data</code></em>
to parse</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.7.4.6"></a><h4>Returns</h4>
<p> a <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult"><span class="type">GstMpeg4ParseResult</span></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-mpeg4-parse-video-object-layer"></a><h3>gst_mpeg4_parse_video_object_layer ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult"><span class="returnvalue">GstMpeg4ParseResult</span></a>
gst_mpeg4_parse_video_object_layer (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoObjectLayer" title="struct GstMpeg4VideoObjectLayer"><span class="type">GstMpeg4VideoObjectLayer</span></a> *vol</code></em>,
                                    <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VisualObject" title="struct GstMpeg4VisualObject"><span class="type">GstMpeg4VisualObject</span></a> *vo</code></em>,
                                    <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *data</code></em>,
                                    <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gsize"><span class="type">gsize</span></a> size</code></em>);</pre>
<p>Parses <em class="parameter"><code>data</code></em>
 containing the video object layer packet, and fills
the <em class="parameter"><code>vol</code></em>
 structure.</p>
<div class="refsect3">
<a name="id-1.2.4.6.7.5.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>vol</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoObjectLayer" title="struct GstMpeg4VideoObjectLayer"><span class="type">GstMpeg4VideoObjectLayer</span></a> structure to fill</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>vo</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VisualObject" title="struct GstMpeg4VisualObject"><span class="type">GstMpeg4VisualObject</span></a> currently being parsed or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>The data to parse</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>size</p></td>
<td class="parameter_description"><p>The size of the <em class="parameter"><code>data</code></em>
to parse</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.7.5.6"></a><h4>Returns</h4>
<p> a <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult"><span class="type">GstMpeg4ParseResult</span></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-mpeg4-parse-visual-object"></a><h3>gst_mpeg4_parse_visual_object ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult"><span class="returnvalue">GstMpeg4ParseResult</span></a>
gst_mpeg4_parse_visual_object (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VisualObject" title="struct GstMpeg4VisualObject"><span class="type">GstMpeg4VisualObject</span></a> *vo</code></em>,
                               <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoSignalType" title="struct GstMpeg4VideoSignalType"><span class="type">GstMpeg4VideoSignalType</span></a> *signal_type</code></em>,
                               <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *data</code></em>,
                               <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gsize"><span class="type">gsize</span></a> size</code></em>);</pre>
<p>Parses <em class="parameter"><code>data</code></em>
 containing the visual object packet, and fills
the <em class="parameter"><code>vo</code></em>
 structure.</p>
<div class="refsect3">
<a name="id-1.2.4.6.7.6.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>vo</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VisualObject" title="struct GstMpeg4VisualObject"><span class="type">GstMpeg4VisualObject</span></a> structure to fill</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>signal_type</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoSignalType" title="struct GstMpeg4VideoSignalType"><span class="type">GstMpeg4VideoSignalType</span></a> to fill or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>The data to parse, should contain the vo_start_code
but not the start code prefix</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>size</p></td>
<td class="parameter_description"><p>The size of the <em class="parameter"><code>data</code></em>
to parse</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.7.6.6"></a><h4>Returns</h4>
<p> a <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult"><span class="type">GstMpeg4ParseResult</span></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-mpeg4-parse-visual-object-sequence"></a><h3>gst_mpeg4_parse_visual_object_sequence ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult"><span class="returnvalue">GstMpeg4ParseResult</span></a>
gst_mpeg4_parse_visual_object_sequence
                               (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VisualObjectSequence" title="struct GstMpeg4VisualObjectSequence"><span class="type">GstMpeg4VisualObjectSequence</span></a> *vos</code></em>,
                                <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *data</code></em>,
                                <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gsize"><span class="type">gsize</span></a> size</code></em>);</pre>
<p>Parses <em class="parameter"><code>data</code></em>
 containing the visual object sequence packet, and fills
the <em class="parameter"><code>vos</code></em>
 structure.</p>
<div class="refsect3">
<a name="id-1.2.4.6.7.7.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>vos</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VisualObjectSequence" title="struct GstMpeg4VisualObjectSequence"><span class="type">GstMpeg4VisualObjectSequence</span></a> structure to fill</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>The data to parse, should contain the visual_object_sequence_start_code
but not the start code prefix</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>size</p></td>
<td class="parameter_description"><p>The size of the <em class="parameter"><code>data</code></em>
to parse</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.7.7.6"></a><h4>Returns</h4>
<p> a <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult"><span class="type">GstMpeg4ParseResult</span></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-mpeg4-parse-video-packet-header"></a><h3>gst_mpeg4_parse_video_packet_header ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4ParseResult" title="enum GstMpeg4ParseResult"><span class="returnvalue">GstMpeg4ParseResult</span></a>
gst_mpeg4_parse_video_packet_header (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoPacketHdr" title="struct GstMpeg4VideoPacketHdr"><span class="type">GstMpeg4VideoPacketHdr</span></a> *videopackethdr</code></em>,
                                     <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoObjectLayer" title="struct GstMpeg4VideoObjectLayer"><span class="type">GstMpeg4VideoObjectLayer</span></a> *vol</code></em>,
                                     <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoObjectPlane" title="struct GstMpeg4VideoObjectPlane"><span class="type">GstMpeg4VideoObjectPlane</span></a> *vop</code></em>,
                                     <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4SpriteTrajectory" title="struct GstMpeg4SpriteTrajectory"><span class="type">GstMpeg4SpriteTrajectory</span></a> *sprite_trajectory</code></em>,
                                     <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *data</code></em>,
                                     <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gsize"><span class="type">gsize</span></a> size</code></em>);</pre>
<p>Parsers <em class="parameter"><code>data</code></em>
 containing the video packet header
and fills the <em class="parameter"><code>videopackethdr</code></em>
 structure</p>
<div class="refsect3">
<a name="id-1.2.4.6.7.8.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>videopackethdr</p></td>
<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoPacketHdr" title="struct GstMpeg4VideoPacketHdr"><span class="type">GstMpeg4VideoPacketHdr</span></a> structure to fill</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>vol</p></td>
<td class="parameter_description"><p>The last parsed <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoObjectLayer" title="struct GstMpeg4VideoObjectLayer"><span class="type">GstMpeg4VideoObjectLayer</span></a>, will be updated
with the informations found during the parsing</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>vop</p></td>
<td class="parameter_description"><p>The last parsed <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4VideoObjectPlane" title="struct GstMpeg4VideoObjectPlane"><span class="type">GstMpeg4VideoObjectPlane</span></a>, will be updated
with the informations found during the parsing</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>sprite_trajectory</p></td>
<td class="parameter_description"><p>A <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4SpriteTrajectory" title="struct GstMpeg4SpriteTrajectory"><span class="type">GstMpeg4SpriteTrajectory</span></a> to fill or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>
with the informations found during the parsing</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>The data to parse, should be set after the resync marker.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>size</p></td>
<td class="parameter_description"><p>The size of the data to parse</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-mpeg4parser.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstMpeg4StartCode"></a><h3>enum GstMpeg4StartCode</h3>
<p>Defines the different startcodes present in the bitstream as
defined in: Table 6-3 — Start code values</p>
<div class="refsect3">
<a name="id-1.2.4.6.8.2.4"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-VIDEO-OBJ-FIRST:CAPS"></a>GST_MPEG4_VIDEO_OBJ_FIRST</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-VIDEO-OBJ-LAST:CAPS"></a>GST_MPEG4_VIDEO_OBJ_LAST</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-VIDEO-LAYER-FIRST:CAPS"></a>GST_MPEG4_VIDEO_LAYER_FIRST</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-VIDEO-LAYER-LAST:CAPS"></a>GST_MPEG4_VIDEO_LAYER_LAST</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-VISUAL-OBJ-SEQ-START:CAPS"></a>GST_MPEG4_VISUAL_OBJ_SEQ_START</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-VISUAL-OBJ-SEQ-END:CAPS"></a>GST_MPEG4_VISUAL_OBJ_SEQ_END</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-USER-DATA:CAPS"></a>GST_MPEG4_USER_DATA</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-GROUP-OF-VOP:CAPS"></a>GST_MPEG4_GROUP_OF_VOP</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-VIDEO-SESSION-ERR:CAPS"></a>GST_MPEG4_VIDEO_SESSION_ERR</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-VISUAL-OBJ:CAPS"></a>GST_MPEG4_VISUAL_OBJ</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-VIDEO-OBJ-PLANE:CAPS"></a>GST_MPEG4_VIDEO_OBJ_PLANE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-FBA:CAPS"></a>GST_MPEG4_FBA</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-FBA-PLAN:CAPS"></a>GST_MPEG4_FBA_PLAN</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-MESH:CAPS"></a>GST_MPEG4_MESH</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-MESH-PLAN:CAPS"></a>GST_MPEG4_MESH_PLAN</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-STILL-TEXTURE-OBJ:CAPS"></a>GST_MPEG4_STILL_TEXTURE_OBJ</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-TEXTURE-SPATIAL:CAPS"></a>GST_MPEG4_TEXTURE_SPATIAL</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-TEXTURE-SNR-LAYER:CAPS"></a>GST_MPEG4_TEXTURE_SNR_LAYER</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-TEXTURE-TILE:CAPS"></a>GST_MPEG4_TEXTURE_TILE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-SHAPE-LAYER:CAPS"></a>GST_MPEG4_SHAPE_LAYER</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-STUFFING:CAPS"></a>GST_MPEG4_STUFFING</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-SYSTEM-FIRST:CAPS"></a>GST_MPEG4_SYSTEM_FIRST</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-SYSTEM-LAST:CAPS"></a>GST_MPEG4_SYSTEM_LAST</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-RESYNC:CAPS"></a>GST_MPEG4_RESYNC</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpeg4VisualObjectType"></a><h3>enum GstMpeg4VisualObjectType</h3>
<p>Defines the different visual object types as
defined in: Table 6-5 -- Meaning of visual object type</p>
<div class="refsect3">
<a name="id-1.2.4.6.8.3.4"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-VIDEO-ID:CAPS"></a>GST_MPEG4_VIDEO_ID</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-STILL-TEXTURE-ID:CAPS"></a>GST_MPEG4_STILL_TEXTURE_ID</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-STILL-MESH-ID:CAPS"></a>GST_MPEG4_STILL_MESH_ID</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-STILL-FBA-ID:CAPS"></a>GST_MPEG4_STILL_FBA_ID</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-STILL-3D-MESH-ID:CAPS"></a>GST_MPEG4_STILL_3D_MESH_ID</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpeg4AspectRatioInfo"></a><h3>enum GstMpeg4AspectRatioInfo</h3>
<p>Defines the different pixel aspect ratios as
defined in: Table 6-12 -- Meaning of pixel aspect ratio</p>
<div class="refsect3">
<a name="id-1.2.4.6.8.4.4"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-SQUARE:CAPS"></a>GST_MPEG4_SQUARE</p></td>
<td class="enum_member_description">
<p>1:1 square</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-625-TYPE-4-3:CAPS"></a>GST_MPEG4_625_TYPE_4_3</p></td>
<td class="enum_member_description">
<p>12:11 (625-type for 4:3 picture)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-525-TYPE-4-3:CAPS"></a>GST_MPEG4_525_TYPE_4_3</p></td>
<td class="enum_member_description">
<p>10:11 (525-type for 4:3 picture)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-625-TYPE-16-9:CAPS"></a>GST_MPEG4_625_TYPE_16_9</p></td>
<td class="enum_member_description">
<p>16:11 (625-type stretched for 16:9 picture)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-525-TYPE-16-9:CAPS"></a>GST_MPEG4_525_TYPE_16_9</p></td>
<td class="enum_member_description">
<p>40:33 (525-type stretched for 16:9 picture)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-EXTENDED-PAR:CAPS"></a>GST_MPEG4_EXTENDED_PAR</p></td>
<td class="enum_member_description">
<p>Extended par</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpeg4ParseResult"></a><h3>enum GstMpeg4ParseResult</h3>
<p>Result type of any parsing function.</p>
<div class="refsect3">
<a name="id-1.2.4.6.8.5.4"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PARSER-OK:CAPS"></a>GST_MPEG4_PARSER_OK</p></td>
<td class="enum_member_description">
<p>The parsing went well</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PARSER-BROKEN-DATA:CAPS"></a>GST_MPEG4_PARSER_BROKEN_DATA</p></td>
<td class="enum_member_description">
<p>The bitstream was broken</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PARSER-NO-PACKET:CAPS"></a>GST_MPEG4_PARSER_NO_PACKET</p></td>
<td class="enum_member_description">
<p>There was no packet in the buffer</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PARSER-NO-PACKET-END:CAPS"></a>GST_MPEG4_PARSER_NO_PACKET_END</p></td>
<td class="enum_member_description">
<p>There was no packet end in the buffer</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PARSER-ERROR:CAPS"></a>GST_MPEG4_PARSER_ERROR</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpeg4VideoObjectCodingType"></a><h3>enum GstMpeg4VideoObjectCodingType</h3>
<p>The vop coding types as defined in:
Table 6-20 -- Meaning of vop_coding_type</p>
<div class="refsect3">
<a name="id-1.2.4.6.8.6.4"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-I-VOP:CAPS"></a>GST_MPEG4_I_VOP</p></td>
<td class="enum_member_description">
<p>intra-coded (I)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-P-VOP:CAPS"></a>GST_MPEG4_P_VOP</p></td>
<td class="enum_member_description">
<p>predictive-coded (P)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-B-VOP:CAPS"></a>GST_MPEG4_B_VOP</p></td>
<td class="enum_member_description">
<p>bidirectionally-predictive-coded (B)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-S-VOP:CAPS"></a>GST_MPEG4_S_VOP</p></td>
<td class="enum_member_description">
<p>sprite (S)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpeg4ChromaFormat"></a><h3>enum GstMpeg4ChromaFormat</h3>
<p>The chroma format in use as
defined in: Table 6-13 -- Meaning of chroma_format</p>
<div class="refsect3">
<a name="id-1.2.4.6.8.7.4"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody><tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-CHROMA-4-2-0:CAPS"></a>GST_MPEG4_CHROMA_4_2_0</p></td>
<td> </td>
<td> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpeg4VideoObjectLayerShape"></a><h3>enum GstMpeg4VideoObjectLayerShape</h3>
<p>The different video object layer shapes as defined in:
Table 6-16 — Video Object Layer shape type</p>
<div class="refsect3">
<a name="id-1.2.4.6.8.8.4"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-RECTANGULAR:CAPS"></a>GST_MPEG4_RECTANGULAR</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-BINARY:CAPS"></a>GST_MPEG4_BINARY</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-BINARY-ONLY:CAPS"></a>GST_MPEG4_BINARY_ONLY</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-GRAYSCALE:CAPS"></a>GST_MPEG4_GRAYSCALE</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpeg4SpriteEnable"></a><h3>enum GstMpeg4SpriteEnable</h3>
<p>Indicates the usage of static sprite coding
or global motion compensation (GMC) as defined in:
Table V2 - 2 -- Meaning of sprite_enable codewords</p>
<div class="refsect3">
<a name="id-1.2.4.6.8.9.4"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-SPRITE-UNUSED:CAPS"></a>GST_MPEG4_SPRITE_UNUSED</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-SPRITE-STATIC:CAPS"></a>GST_MPEG4_SPRITE_STATIC</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-SPRITE-GMG:CAPS"></a>GST_MPEG4_SPRITE_GMG</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpeg4Profile"></a><h3>enum GstMpeg4Profile</h3>
<p>Different defined profiles as defined in:
9- Profiles and levels</p>
<p>It is computed using:
Table G.1 — FLC table for profile_and_level_indication</p>
<div class="refsect3">
<a name="id-1.2.4.6.8.10.5"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PROFILE-CORE:CAPS"></a>GST_MPEG4_PROFILE_CORE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PROFILE-MAIN:CAPS"></a>GST_MPEG4_PROFILE_MAIN</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PROFILE-N-BIT:CAPS"></a>GST_MPEG4_PROFILE_N_BIT</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PROFILE-SIMPLE:CAPS"></a>GST_MPEG4_PROFILE_SIMPLE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PROFILE-HYBRID:CAPS"></a>GST_MPEG4_PROFILE_HYBRID</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PROFILE-RESERVED:CAPS"></a>GST_MPEG4_PROFILE_RESERVED</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PROFILE-SIMPLE-FBA:CAPS"></a>GST_MPEG4_PROFILE_SIMPLE_FBA</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PROFILE-CORE-STUDIO:CAPS"></a>GST_MPEG4_PROFILE_CORE_STUDIO</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PROFILE-SIMPLE-STUDIO:CAPS"></a>GST_MPEG4_PROFILE_SIMPLE_STUDIO</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PROFILE-CORE-SCALABLE:CAPS"></a>GST_MPEG4_PROFILE_CORE_SCALABLE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PROFILE-ADVANCED-CORE:CAPS"></a>GST_MPEG4_PROFILE_ADVANCED_CORE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PROFILE-ADVANCED-SIMPLE:CAPS"></a>GST_MPEG4_PROFILE_ADVANCED_SIMPLE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PROFILE-SIMPLE-SCALABLE:CAPS"></a>GST_MPEG4_PROFILE_SIMPLE_SCALABLE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PROFILE-SCALABLE-TEXTURE:CAPS"></a>GST_MPEG4_PROFILE_SCALABLE_TEXTURE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PROFILE-SIMPLE-FACE-ANIMATION:CAPS"></a>GST_MPEG4_PROFILE_SIMPLE_FACE_ANIMATION</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PROFILE-BASIC-ANIMATED-TEXTURE:CAPS"></a>GST_MPEG4_PROFILE_BASIC_ANIMATED_TEXTURE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PROFILE-ADVANCED-REALTIME-SIMPLE:CAPS"></a>GST_MPEG4_PROFILE_ADVANCED_REALTIME_SIMPLE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PROFILE-ADVANCED-SCALABLE-TEXTURE:CAPS"></a>GST_MPEG4_PROFILE_ADVANCED_SCALABLE_TEXTURE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PROFILE-FINE-GRANULARITY-SCALABLE:CAPS"></a>GST_MPEG4_PROFILE_FINE_GRANULARITY_SCALABLE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-PROFILE-ADVANCED-CODING-EFFICIENCY:CAPS"></a>GST_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpeg4Level"></a><h3>enum GstMpeg4Level</h3>
<p>Different levels as defined in:
9- Profiles and levels</p>
<p>It is computed using:
Table G.1 — FLC table for profile_and_level_indication</p>
<div class="refsect3">
<a name="id-1.2.4.6.8.11.5"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-LEVEL0:CAPS"></a>GST_MPEG4_LEVEL0</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-LEVEL1:CAPS"></a>GST_MPEG4_LEVEL1</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-LEVEL2:CAPS"></a>GST_MPEG4_LEVEL2</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-LEVEL3:CAPS"></a>GST_MPEG4_LEVEL3</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-LEVEL3b"></a>GST_MPEG4_LEVEL3b</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-LEVEL4:CAPS"></a>GST_MPEG4_LEVEL4</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-LEVEL5:CAPS"></a>GST_MPEG4_LEVEL5</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-MPEG4-LEVEL-RESERVED:CAPS"></a>GST_MPEG4_LEVEL_RESERVED</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpeg4VisualObjectSequence"></a><h3>struct GstMpeg4VisualObjectSequence</h3>
<pre class="programlisting">struct GstMpeg4VisualObjectSequence {
  guint8 profile_and_level_indication;

  /* Computed according to:
   * Table G.1 — FLC table for profile_and_level_indication */
  GstMpeg4Level level;
  GstMpeg4Profile profile;
};
</pre>
<p>The visual object sequence structure as defined in:
6.2.2 Visual Object Sequence and Visual Object</p>
</div>
<hr>
<div class="refsect2">
<a name="GstMpeg4VisualObject"></a><h3>struct GstMpeg4VisualObject</h3>
<pre class="programlisting">struct GstMpeg4VisualObject {
  guint8 is_identifier;
  /* If is_identifier */
  guint8 verid;
  guint8 priority;

  GstMpeg4VisualObjectType type;
};
</pre>
<p>The visual object structure as defined in:
6.2.2 Visual Object Sequence and Visual Object</p>
</div>
<hr>
<div class="refsect2">
<a name="GstMpeg4VideoSignalType"></a><h3>struct GstMpeg4VideoSignalType</h3>
<pre class="programlisting">struct GstMpeg4VideoSignalType {
  guint8 type;

  guint8 format;
  guint8 range;
  guint8 color_description;
  guint8 color_primaries;
  guint8 transfer_characteristics;
  guint8 matrix_coefficients;
};
</pre>
<p>The video signal type structure as defined in:
6.2.2 Visual Object Sequence and Visual Object.</p>
</div>
<hr>
<div class="refsect2">
<a name="GstMpeg4VideoPlaneShortHdr"></a><h3>struct GstMpeg4VideoPlaneShortHdr</h3>
<pre class="programlisting">struct GstMpeg4VideoPlaneShortHdr {
  guint8 temporal_reference;
  guint8 split_screen_indicator;
  guint8 document_camera_indicator;
  guint8 full_picture_freeze_release;
  guint8 source_format;
  guint8 picture_coding_type;
  guint8 vop_quant;
  guint8 pei;
  guint8 psupp;

  /*  Gob layer specific fields */
  guint8 gob_header_empty;
  guint8 gob_number;
  guint8 gob_frame_id;
  guint8 quant_scale;

  /* Computed
   * If all the values are set to 0, then it is reserved
   * Table 6-25 -- Parameters Defined by source_format Field
   */
  guint16 vop_width;
  guint16 vop_height;
  guint16 num_macroblocks_in_gob;
  guint8 num_gobs_in_vop;

  /* The size in bits */
  guint size;
};
</pre>
<p>The video plane short header structure as defined in:
6.2.5.2 Video Plane with Short Header</p>
</div>
<hr>
<div class="refsect2">
<a name="GstMpeg4VideoObjectLayer"></a><h3>struct GstMpeg4VideoObjectLayer</h3>
<pre class="programlisting">struct GstMpeg4VideoObjectLayer {
  guint8 random_accessible_vol;
  guint8 video_object_type_indication;

  guint8 is_object_layer_identifier;
  /* if is_object_layer_identifier */
  guint8 verid;
  guint8 priority;

  GstMpeg4AspectRatioInfo aspect_ratio_info;
  guint8 par_width;
  guint8 par_height;

  guint8 control_parameters;
  /* if control_parameters */
  GstMpeg4ChromaFormat chroma_format;
  guint8 low_delay;
  guint8 vbv_parameters;
  /* if vbv_parameters */
  guint16 first_half_bitrate;
  guint16 latter_half_bitrate;
  guint16 first_half_vbv_buffer_size;
  guint16 latter_half_vbv_buffer_size;
  guint16 first_half_vbv_occupancy;
  guint16 latter_half_vbv_occupancy;

  /* Computed values */
  guint32 bit_rate;
  guint32 vbv_buffer_size;

  GstMpeg4VideoObjectLayerShape shape;
  /* if shape == GST_MPEG4_GRAYSCALE &amp;&amp; verid =! 1 */
  guint8 shape_extension;

  guint16 vop_time_increment_resolution;
  guint8 vop_time_increment_bits;
  guint8 fixed_vop_rate;
  /* if fixed_vop_rate */
  guint16 fixed_vop_time_increment;

  guint16 width;
  guint16 height;
  guint8 interlaced;
  guint8 obmc_disable;

  GstMpeg4SpriteEnable sprite_enable;
  /* if vol-&gt;sprite_enable == SPRITE_GMG or SPRITE_STATIC*/
  /* if vol-&gt;sprite_enable != GST_MPEG4_SPRITE_GMG */
  guint16 sprite_width;
  guint16 sprite_height;
  guint16 sprite_left_coordinate;
  guint16 sprite_top_coordinate;

  guint8 no_of_sprite_warping_points;
  guint8 sprite_warping_accuracy;
  guint8 sprite_brightness_change;
  /* if vol-&gt;sprite_enable != GST_MPEG4_SPRITE_GMG */
  guint8 low_latency_sprite_enable;

  /* if shape != GST_MPEG4_RECTANGULAR */
  guint8 sadct_disable;

  guint8 not_8_bit;

  /* if no_8_bit */
  guint8 quant_precision;
  guint8 bits_per_pixel;

  /* if shape == GRAYSCALE */
  guint8 no_gray_quant_update;
  guint8 composition_method;
  guint8 linear_composition;

  guint8 quant_type;
  /* if quant_type */
  guint8 load_intra_quant_mat;
  guint8 intra_quant_mat[64];
  guint8 load_non_intra_quant_mat;
  guint8 non_intra_quant_mat[64];

  guint8 quarter_sample;
  guint8 complexity_estimation_disable;
  guint8 resync_marker_disable;
  guint8 data_partitioned;
  guint8 reversible_vlc;
  guint8 newpred_enable;
  guint8 reduced_resolution_vop_enable;
  guint8 scalability;
  guint8 enhancement_type;

  GstMpeg4VideoPlaneShortHdr short_hdr;
};
</pre>
<p>The video object layer structure as defined in:
6.2.3 Video Object Layer</p>
</div>
<hr>
<div class="refsect2">
<a name="GstMpeg4SpriteTrajectory"></a><h3>struct GstMpeg4SpriteTrajectory</h3>
<pre class="programlisting">struct GstMpeg4SpriteTrajectory {
  guint16 vop_ref_points[63]; /* Defined as "du" in 6.2.5.4 */
  guint16 sprite_ref_points[63]; /* Defined as "dv" in 6.2.5.4 */
};
</pre>
<p>The sprite trajectory structure as defined in:
7.8.4 Sprite reference point decoding and
6.2.5.4 Sprite coding</p>
</div>
<hr>
<div class="refsect2">
<a name="GstMpeg4GroupOfVOP"></a><h3>struct GstMpeg4GroupOfVOP</h3>
<pre class="programlisting">struct GstMpeg4GroupOfVOP {
  guint8 hours;
  guint8 minutes;
  guint8 seconds;

  guint8 closed;
  guint8 broken_link;
};
</pre>
<p>The group of video object plane structure as defined in:
6.2.4 Group of Video Object Plane</p>
</div>
<hr>
<div class="refsect2">
<a name="GstMpeg4VideoObjectPlane"></a><h3>struct GstMpeg4VideoObjectPlane</h3>
<pre class="programlisting">struct GstMpeg4VideoObjectPlane {
  GstMpeg4VideoObjectCodingType coding_type;

  guint8  modulo_time_base;
  guint16 time_increment;

  guint8  coded;
  /* if newpred_enable */
  guint16 id;
  guint8  id_for_prediction_indication;
  guint16 id_for_prediction;

  guint16 width;
  guint16 height;
  guint16 horizontal_mc_spatial_ref;
  guint16 vertical_mc_spatial_ref;

  guint8  rounding_type;
  /*if vol-&gt;shape != GST_MPEG4_RECTANGULAR */
  guint8  background_composition;
  guint8  change_conv_ratio_disable;
  guint8  constant_alpha;
  guint8  constant_alpha_value;
  guint8  reduced_resolution;

  guint8  intra_dc_vlc_thr;


  guint8  top_field_first;
  guint8  alternate_vertical_scan_flag;

  guint16 quant;

  guint8  fcode_forward;
  guint8  fcode_backward;

  guint8  shape_coding_type;
  guint8  load_backward_shape;
  guint8  ref_select_code;

  /* Computed macroblock informations */
  guint16 mb_height;
  guint16 mb_width;
  guint mb_num;

  /* The size of the header */
  guint    size;
};
</pre>
<p>The Video object plane structure as defined in:
6.2.5 Video Object Plane and Video Plane with Short Header</p>
</div>
<hr>
<div class="refsect2">
<a name="GstMpeg4Packet"></a><h3>struct GstMpeg4Packet</h3>
<pre class="programlisting">struct GstMpeg4Packet {
  const guint8     *data;
  guint             offset;
  gsize             size;
  guint             marker_size;

  GstMpeg4StartCode type;
};
</pre>
<p>A structure that contains the type of a packet, its offset and its size</p>
<div class="refsect3">
<a name="id-1.2.4.6.8.20.5"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *<em class="structfield"><code><a name="GstMpeg4Packet.data"></a>data</code></em>;</p></td>
<td class="struct_member_description"><p>the data containing packet starting at <em class="parameter"><code>offset</code></em>
</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstMpeg4Packet.offset"></a>offset</code></em>;</p></td>
<td class="struct_member_description"><p>offset of the start of the packet (without the 3 bytes startcode), but
including the <a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4StartCode" title="enum GstMpeg4StartCode"><span class="type">GstMpeg4StartCode</span></a> byte.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gsize"><span class="type">gsize</span></a> <em class="structfield"><code><a name="GstMpeg4Packet.size"></a>size</code></em>;</p></td>
<td class="struct_member_description"><p>The size in bytes of the packet or <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#G-MAXUINT:CAPS"><code class="literal">G_MAXUINT</code></a> if the end wasn't found.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstMpeg4Packet.marker-size"></a>marker_size</code></em>;</p></td>
<td class="struct_member_description"><p>The size in bit of the resync marker.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a class="link" href="gst-plugins-bad-libs-mpeg4parser.html#GstMpeg4StartCode" title="enum GstMpeg4StartCode"><span class="type">GstMpeg4StartCode</span></a> <em class="structfield"><code><a name="GstMpeg4Packet.type"></a>type</code></em>;</p></td>
<td class="struct_member_description"><p>the type of the packet that start at <em class="parameter"><code>offset</code></em>
</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpeg4VideoPacketHdr"></a><h3>struct GstMpeg4VideoPacketHdr</h3>
<pre class="programlisting">struct GstMpeg4VideoPacketHdr {
  guint8  header_extension_code;
  guint16 macroblock_number;
  guint16 quant_scale;
  guint   size;
};
</pre>
<p>The video packet header structure as defined in:
6.2.5.2 Video Plane with Short Header</p>
<div class="refsect3">
<a name="id-1.2.4.6.8.21.5"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
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<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpeg4VideoPacketHdr.header-extension-code"></a>header_extension_code</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint16"><span class="type">guint16</span></a> <em class="structfield"><code><a name="GstMpeg4VideoPacketHdr.macroblock-number"></a>macroblock_number</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint16"><span class="type">guint16</span></a> <em class="structfield"><code><a name="GstMpeg4VideoPacketHdr.quant-scale"></a>quant_scale</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstMpeg4VideoPacketHdr.size"></a>size</code></em>;</p></td>
<td class="struct_member_description"><p>Size of the header in bit.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
</div>
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