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<a href="#gst-plugins-good-plugins-rtph261pay.object-hierarchy" class="shortcut">Object Hierarchy</a></span>
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<a name="gst-plugins-good-plugins-rtph261pay"></a><div class="titlepage"></div>
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<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-rtph261pay.top_of_page"></a>rtph261pay</span></h2>
<p>rtph261pay</p>
</td>
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<a name="GstRtpH261Pay"></a><div class="refsect1">
<a name="gst-plugins-good-plugins-rtph261pay.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">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-good-plugins-rtph261pay.html#GstRtpH261Pay-struct" title="struct GstRtpH261Pay">GstRtpH261Pay</a></td>
</tr></tbody>
</table></div>
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<div class="refsect1">
<a name="gst-plugins-good-plugins-rtph261pay.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> <a href="../gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
<span class="lineart">╰──</span> <a href="../gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
<span class="lineart">╰──</span> <a href="../gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a>
<span class="lineart">╰──</span> <a href="../gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a>
<span class="lineart">╰──</span> <a href="../gst-plugins-base-libs-1.0/GstRTPBasePayload.html#GstRTPBasePayload-struct">GstRTPBasePayload</a>
<span class="lineart">╰──</span> GstRtpH261Pay
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtph261pay.description"></a><h2>Description</h2>
<p>Payload encoded H.261 video frames into RTP packets according to RFC 4587.
For detailed information see: https://www.rfc-editor.org/rfc/rfc4587.txt</p>
<p>The payloader takes a H.261 frame, parses it and splits it into fragments
on MB boundaries in order to match configured MTU size. For each fragment
an RTP packet is constructed with an RTP packet header followed by the
fragment. In addition the payloader will make sure the packetized H.261
stream appears as a continuous bit-stream after depacketization by shifting
the encoded bit-stream of a frame to align with the last significant bit of
the previous frame. This helps interoperability in the case where the
encoder does not produce a continuous bit-stream but the decoder requires
it.</p>
<div class="refsect2">
<a name="id-1.2.160.6.4"></a><h3>Example launch line</h3>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1</pre></td>
<td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch<span class="gtkdoc opt">-</span><span class="number">1.0</span> videotestsrc <span class="gtkdoc opt">!</span> avenc_h261 <span class="gtkdoc opt">!</span> rtph261pay <span class="gtkdoc opt">!</span> udpsink</pre></td>
</tr>
</tbody>
</table>
</div>
This will encode a test video and payload it. Refer to the rtph261depay
example to depayload and play the RTP stream.
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.160.6.5.1"></a><h3>Element Information</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">plugin</span></p></td>
<td>
<a class="link" href="gst-plugins-good-plugins-plugin-rtp.html#plugin-rtp">rtp</a>
</td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Stian Selnes <stian@pexip.com></td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Codec/Payloader/Network/RTP</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.160.6.5.2"></a><h3>Element Pads</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>always</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>video/x-h261</td>
</tr>
</tbody>
</table></div>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>src</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>source</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>always</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>application/x-rtp, media=(string)video, payload=(int)31, clock-rate=(int)90000, encoding-name=(string)H261</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> application/x-rtp, media=(string)video, payload=(int)[ 96, 127 ], clock-rate=(int)90000, encoding-name=(string)H261</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtph261pay.functions_details"></a><h2>Functions</h2>
<p></p>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtph261pay.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstRtpH261Pay-struct"></a><h3>struct GstRtpH261Pay</h3>
<pre class="programlisting">struct GstRtpH261Pay;</pre>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtph261pay.see-also"></a><h2>See Also</h2>
<p>rtph261depay</p>
</div>
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