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<a href="#gst-plugins-base-plugins-appsrc.implemented-interfaces" class="shortcut">Implemented Interfaces</a>
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<a href="#gst-plugins-base-plugins-appsrc.properties" class="shortcut">Properties</a>
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<a href="#gst-plugins-base-plugins-appsrc.signals" class="shortcut">Signals</a>
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<div class="refentry">
<a name="gst-plugins-base-plugins-appsrc"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-base-plugins-appsrc.top_of_page"></a>appsrc</span></h2>
<p>appsrc — Allow the application to feed buffers to a pipeline</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="gst-plugins-base-plugins-appsrc.synopsis"></a><h2>Synopsis</h2>
<a name="GstAppSrc"></a><pre class="synopsis">struct <a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc-struct" title="struct GstAppSrc">GstAppSrc</a>;
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-appsrc.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
<a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
+----<a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstObject.html">GstObject</a>
+----<a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html">GstElement</a>
+----<a href="/usr/share/gtk-doc/html/gstreamer-libs-0.10/GstBaseSrc.html">GstBaseSrc</a>
+----GstAppSrc
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-appsrc.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GstAppSrc implements
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstUriHandler.html#GstURIHandler">GstURIHandler</a>.</p>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-appsrc.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc--block" title='The "block" property'>block</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc--caps" title='The "caps" property'>caps</a>" <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a>* : Read / Write
"<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc--format" title='The "format" property'>format</a>" <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstFormat.html#GstFormat"><span class="type">GstFormat</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc--is-live" title='The "is-live" property'>is-live</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc--max-bytes" title='The "max-bytes" property'>max-bytes</a>" <span class="type">guint64</span> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc--max-latency" title='The "max-latency" property'>max-latency</a>" <span class="type">gint64</span> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc--min-latency" title='The "min-latency" property'>min-latency</a>" <span class="type">gint64</span> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc--size" title='The "size" property'>size</a>" <span class="type">gint64</span> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc--stream-type" title='The "stream-type" property'>stream-type</a>" <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-appsrc.html#GstAppStreamType"><span class="type">GstAppStreamType</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc--emit-signals" title='The "emit-signals" property'>emit-signals</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc--min-percent" title='The "min-percent" property'>min-percent</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> : Read / Write
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-appsrc.signals"></a><h2>Signals</h2>
<pre class="synopsis">
"<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc-end-of-stream" title='The "end-of-stream" signal'>end-of-stream</a>" : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-ACTION:CAPS"><code class="literal">Action</code></a>
"<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc-enough-data" title='The "enough-data" signal'>enough-data</a>" : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
"<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc-need-data" title='The "need-data" signal'>need-data</a>" : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
"<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc-push-buffer" title='The "push-buffer" signal'>push-buffer</a>" : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-ACTION:CAPS"><code class="literal">Action</code></a>
"<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc-seek-data" title='The "seek-data" signal'>seek-data</a>" : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-appsrc.description"></a><h2>Description</h2>
<p>
The appsrc element can be used by applications to insert data into a
GStreamer pipeline. Unlike most GStreamer elements, Appsrc provides
external API functions.
</p>
<p>
For the documentation of the API, please see the
<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-appsrc.html">libgstapp</a> section in the
GStreamer Plugins Base Libraries documentation.
</p>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="idp8801728"></a><h3>Element Information</h3>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term">plugin</span></p></td>
<td>
<a class="link" href="gst-plugins-base-plugins-plugin-app.html#plugin-app">app</a>
</td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>David Schleef <ds@schleef.org>, Wim Taymans <wim.taymans@gmail.com></td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Generic/Source</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="idp8809136"></a><h3>Element Pads</h3>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<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>ANY</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<p>
</p>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-appsrc.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GstAppSrc-struct"></a><h3>struct GstAppSrc</h3>
<pre class="programlisting">struct GstAppSrc;</pre>
<p>
</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-appsrc.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstAppSrc--block"></a><h3>The <code class="literal">"block"</code> property</h3>
<pre class="programlisting"> "block" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>Block push-buffer when max-bytes are queued.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstAppSrc--caps"></a><h3>The <code class="literal">"caps"</code> property</h3>
<pre class="programlisting"> "caps" <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a>* : Read / Write</pre>
<p>The allowed caps for the src pad.</p>
</div>
<hr>
<div class="refsect2">
<a name="GstAppSrc--format"></a><h3>The <code class="literal">"format"</code> property</h3>
<pre class="programlisting"> "format" <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstFormat.html#GstFormat"><span class="type">GstFormat</span></a> : Read / Write</pre>
<p>The format of the segment events and seek.</p>
<p>Default value: GST_FORMAT_BYTES</p>
</div>
<hr>
<div class="refsect2">
<a name="GstAppSrc--is-live"></a><h3>The <code class="literal">"is-live"</code> property</h3>
<pre class="programlisting"> "is-live" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>Whether to act as a live source.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstAppSrc--max-bytes"></a><h3>The <code class="literal">"max-bytes"</code> property</h3>
<pre class="programlisting"> "max-bytes" <span class="type">guint64</span> : Read / Write</pre>
<p>The maximum number of bytes to queue internally (0 = unlimited).</p>
<p>Default value: 200000</p>
</div>
<hr>
<div class="refsect2">
<a name="GstAppSrc--max-latency"></a><h3>The <code class="literal">"max-latency"</code> property</h3>
<pre class="programlisting"> "max-latency" <span class="type">gint64</span> : Read / Write</pre>
<p>The maximum latency (-1 = unlimited).</p>
<p>Allowed values: >= G_MAXULONG</p>
<p>Default value: -1</p>
</div>
<hr>
<div class="refsect2">
<a name="GstAppSrc--min-latency"></a><h3>The <code class="literal">"min-latency"</code> property</h3>
<pre class="programlisting"> "min-latency" <span class="type">gint64</span> : Read / Write</pre>
<p>The minimum latency (-1 = default).</p>
<p>Allowed values: >= G_MAXULONG</p>
<p>Default value: -1</p>
</div>
<hr>
<div class="refsect2">
<a name="GstAppSrc--size"></a><h3>The <code class="literal">"size"</code> property</h3>
<pre class="programlisting"> "size" <span class="type">gint64</span> : Read / Write</pre>
<p>The size of the data stream in bytes (-1 if unknown).</p>
<p>Allowed values: >= G_MAXULONG</p>
<p>Default value: -1</p>
</div>
<hr>
<div class="refsect2">
<a name="GstAppSrc--stream-type"></a><h3>The <code class="literal">"stream-type"</code> property</h3>
<pre class="programlisting"> "stream-type" <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-appsrc.html#GstAppStreamType"><span class="type">GstAppStreamType</span></a> : Read / Write</pre>
<p>the type of the stream.</p>
<p>Default value: GST_APP_STREAM_TYPE_STREAM</p>
</div>
<hr>
<div class="refsect2">
<a name="GstAppSrc--emit-signals"></a><h3>The <code class="literal">"emit-signals"</code> property</h3>
<pre class="programlisting"> "emit-signals" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>Emit need-data, enough-data and seek-data signals.</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstAppSrc--min-percent"></a><h3>The <code class="literal">"min-percent"</code> property</h3>
<pre class="programlisting"> "min-percent" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> : Read / Write</pre>
<p>Emit need-data when queued bytes drops below this percent of max-bytes.</p>
<p>Allowed values: <= 100</p>
<p>Default value: 0</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-appsrc.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GstAppSrc-end-of-stream"></a><h3>The <code class="literal">"end-of-stream"</code> signal</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html#GstFlowReturn"><span class="returnvalue">GstFlowReturn</span></a> user_function (<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc"><span class="type">GstAppSrc</span></a> *gstappsrc,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-ACTION:CAPS"><code class="literal">Action</code></a></pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gstappsrc</code></em> :</span></p></td>
<td>the object which received the signal.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstAppSrc-enough-data"></a><h3>The <code class="literal">"enough-data"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc"><span class="type">GstAppSrc</span></a> *gstappsrc,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gstappsrc</code></em> :</span></p></td>
<td>the object which received the signal.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstAppSrc-need-data"></a><h3>The <code class="literal">"need-data"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc"><span class="type">GstAppSrc</span></a> *gstappsrc,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> arg1,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gstappsrc</code></em> :</span></p></td>
<td>the object which received the signal.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstAppSrc-push-buffer"></a><h3>The <code class="literal">"push-buffer"</code> signal</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html#GstFlowReturn"><span class="returnvalue">GstFlowReturn</span></a> user_function (<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc"><span class="type">GstAppSrc</span></a> *gstappsrc,
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *arg1,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-ACTION:CAPS"><code class="literal">Action</code></a></pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gstappsrc</code></em> :</span></p></td>
<td>the object which received the signal.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstAppSrc-seek-data"></a><h3>The <code class="literal">"seek-data"</code> signal</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> user_function (<a class="link" href="gst-plugins-base-plugins-appsrc.html#GstAppSrc"><span class="type">GstAppSrc</span></a> *gstappsrc,
<span class="type">guint64</span> arg1,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gstappsrc</code></em> :</span></p></td>
<td>the object which received the signal.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
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