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<a name="gst-plugins-bad-plugins-asfmux"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-bad-plugins-asfmux.top_of_page"></a>asfmux</span></h2>
<p>asfmux</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-asfmux.properties"></a><h2>Properties</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody>
<tr>
<td class="property_type"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-asfmux.html#GstAsfMux--is-live" title="The “is-live” property">is-live</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-asfmux.html#GstAsfMux--merge-stream-tags" title="The “merge-stream-tags” property">merge-stream-tags</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><a href="../glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-asfmux.html#GstAsfMux--packet-size" title="The “packet-size” property">packet-size</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><a href="../glib/glib-Basic-Types.html#guint64"><span class="type">guint64</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-asfmux.html#GstAsfMux--padding" title="The “padding” property">padding</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><a href="../glib/glib-Basic-Types.html#guint64"><span class="type">guint64</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-asfmux.html#GstAsfMux--preroll" title="The “preroll” property">preroll</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-asfmux.html#GstAsfMux--streamable" title="The “streamable” property">streamable</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
</tbody>
</table></div>
</div>
<a name="GstAsfMux"></a><div class="refsect1">
<a name="gst-plugins-bad-plugins-asfmux.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-bad-plugins-asfmux.html#GstAsfMux-struct" title="struct GstAsfMux">GstAsfMux</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-asfmux.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> GstAsfMux
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-asfmux.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GstAsfMux implements
<a href="../gstreamer-1.0/GstTagSetter.html#GstTagSetter-struct">GstTagSetter</a>.</p>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-asfmux.description"></a><h2>Description</h2>
<p>Muxes media into an ASF file/stream.</p>
<p>Pad names are either video_xx or audio_xx, where 'xx' is the
stream number of the stream that goes through that pad. Stream numbers
are assigned sequentially, starting from 1.</p>
<div class="refsect3">
<a name="id-1.2.8.8.4"></a><h4>Example launch lines</h4>
<p>(write everything in one line, without the backslash characters)</p>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1
2
3
4
5</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 num<span class="gtkdoc opt">-</span>buffers<span class="gtkdoc opt">=</span><span class="number">250</span> \
<span class="gtkdoc opt">!</span> <span class="string">"video/x-raw,format=(string)I420,framerate=(fraction)25/1"</span> <span class="gtkdoc opt">!</span> avenc_wmv2 \
<span class="gtkdoc opt">!</span> asfmux name<span class="gtkdoc opt">=</span>mux <span class="gtkdoc opt">!</span> filesink location<span class="gtkdoc opt">=</span>test<span class="gtkdoc opt">.</span>asf \
audiotestsrc num<span class="gtkdoc opt">-</span>buffers<span class="gtkdoc opt">=</span><span class="number">440</span> <span class="gtkdoc opt">!</span> audioconvert \
<span class="gtkdoc opt">!</span> <span class="string">"audio/x-raw,rate=44100"</span> <span class="gtkdoc opt">!</span> avenc_wmav2 <span class="gtkdoc opt">!</span> mux<span class="gtkdoc opt">.</span></pre></td>
</tr>
</tbody>
</table>
</div>
<p> This creates an ASF file containing an WMV video stream
with a test picture and WMA audio stream of a test sound.</p>
</div>
<div class="refsect3">
<a name="id-1.2.8.8.5"></a><h4>Live streaming</h4>
<p>asfmux and rtpasfpay are capable of generating a live asf stream.
asfmux has to set its 'streamable' property to true, because in this
mode it won't try to seek back to the start of the file to replace
some fields that couldn't be known at the file start. In this mode,
it won't also send indexes at the end of the data packets (the actual
media content)
the following pipelines are an example of this usage.
(write everything in one line, without the backslash characters)
Server (sender)</p>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1
2
3</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> <span class="gtkdoc opt">-</span>ve videotestsrc <span class="gtkdoc opt">!</span> avenc_wmv2 <span class="gtkdoc opt">!</span> asfmux name<span class="gtkdoc opt">=</span>mux streamable<span class="gtkdoc opt">=</span><span class="keyword">true</span> \
<span class="gtkdoc opt">!</span> rtpasfpay <span class="gtkdoc opt">!</span> udpsink host<span class="gtkdoc opt">=</span><span class="number">127.0.0.1</span> port<span class="gtkdoc opt">=</span><span class="number">3333</span> \
audiotestsrc <span class="gtkdoc opt">!</span> avenc_wmav2 <span class="gtkdoc opt">!</span> mux<span class="gtkdoc opt">.</span></pre></td>
</tr>
</tbody>
</table>
</div>
<p>
Client (receiver)</p>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1
2
3
4</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> udpsrc port<span class="gtkdoc opt">=</span><span class="number">3333</span> <span class="gtkdoc opt">!</span> <span class="string">"caps_from_rtpasfpay_at_sender"</span> \
<span class="gtkdoc opt">!</span> rtpasfdepay <span class="gtkdoc opt">!</span> decodebin name<span class="gtkdoc opt">=</span>d <span class="gtkdoc opt">!</span> queue \
<span class="gtkdoc opt">!</span> videoconvert <span class="gtkdoc opt">!</span> autovideosink \
d<span class="gtkdoc opt">. !</span> queue <span class="gtkdoc opt">!</span> audioconvert <span class="gtkdoc opt">!</span> autoaudiosink</pre></td>
</tr>
</tbody>
</table>
</div>
<p></p>
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.8.8.6.1"></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-bad-plugins-plugin-asfmux.html#plugin-asfmux">asfmux</a>
</td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Thiago Santos <thiagoss@embedded.ufcg.edu.br></td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Codec/Muxer</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.8.8.6.2"></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>audio_%u</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>request</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>audio/x-wma, wmaversion=(int)[ 1, 3 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> audio/mpeg, layer=(int)3, mpegversion=(int)1, channels=(int)[ 1, 2 ], rate=(int)[ 8000, 96000 ]</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>video_%u</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>request</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>video/x-wmv, wmvversion=(int)[ 1, 3 ]</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>video/x-ms-asf, parsed=(boolean)true</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-asfmux.functions_details"></a><h2>Functions</h2>
<p></p>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-asfmux.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstAsfMux-struct"></a><h3>struct GstAsfMux</h3>
<pre class="programlisting">struct GstAsfMux;</pre>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-asfmux.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstAsfMux--is-live"></a><h3>The <code class="literal">“is-live”</code> property</h3>
<pre class="programlisting"> “is-live” <a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>Deprecated in 0.10.20, use 'streamable' instead.</p>
<p>Flags: Read / Write</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstAsfMux--merge-stream-tags"></a><h3>The <code class="literal">“merge-stream-tags”</code> property</h3>
<pre class="programlisting"> “merge-stream-tags” <a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>If the stream metadata (received as events in the sink) should be merged to the main file metadata.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstAsfMux--packet-size"></a><h3>The <code class="literal">“packet-size”</code> property</h3>
<pre class="programlisting"> “packet-size” <a href="../glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre>
<p>The ASF packets size (bytes).</p>
<p>Flags: Read / Write / Construct</p>
<p>Allowed values: >= 18</p>
<p>Default value: 4800</p>
</div>
<hr>
<div class="refsect2">
<a name="GstAsfMux--padding"></a><h3>The <code class="literal">“padding”</code> property</h3>
<pre class="programlisting"> “padding” <a href="../glib/glib-Basic-Types.html#guint64"><span class="type">guint64</span></a></pre>
<p>Size of the padding object to be added to the end of the header. If this less than 24 (the smaller size of an ASF object), no padding is added.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstAsfMux--preroll"></a><h3>The <code class="literal">“preroll”</code> property</h3>
<pre class="programlisting"> “preroll” <a href="../glib/glib-Basic-Types.html#guint64"><span class="type">guint64</span></a></pre>
<p>The preroll time (milisecs).</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: 5000</p>
</div>
<hr>
<div class="refsect2">
<a name="GstAsfMux--streamable"></a><h3>The <code class="literal">“streamable”</code> property</h3>
<pre class="programlisting"> “streamable” <a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>If set to true, the output should be as if it is to be streamed and hence no indexes written or duration written.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: FALSE</p>
</div>
</div>
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