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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>GStreamer Base Plugins 0.10 Library Reference Manual: gstbaseaudiosrc</title>
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<a href="#" class="shortcut">Top</a><span id="nav_description">  <span class="dim">|</span> 
                  <a href="#gst-plugins-base-libs-gstbaseaudiosrc.description" class="shortcut">Description</a></span><span id="nav_hierarchy">  <span class="dim">|</span> 
                  <a href="#gst-plugins-base-libs-gstbaseaudiosrc.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_properties">  <span class="dim">|</span> 
                  <a href="#gst-plugins-base-libs-gstbaseaudiosrc.properties" class="shortcut">Properties</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>
<td><a accesskey="u" href="gstreamer-audio.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
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</tr></table>
<div class="refentry">
<a name="gst-plugins-base-libs-gstbaseaudiosrc"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-base-libs-gstbaseaudiosrc.top_of_page"></a>gstbaseaudiosrc</span></h2>
<p>gstbaseaudiosrc — Base class for audio sources</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstbaseaudiosrc.functions"></a><h2>Functions</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GST-BASE-AUDIO-SRC-CLOCK:CAPS" title="GST_BASE_AUDIO_SRC_CLOCK()">GST_BASE_AUDIO_SRC_CLOCK</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GST-BASE-AUDIO-SRC-PAD:CAPS" title="GST_BASE_AUDIO_SRC_PAD()">GST_BASE_AUDIO_SRC_PAD</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-base-libs-gstringbuffer.html#GstRingBuffer"><span class="returnvalue">GstRingBuffer</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#gst-base-audio-src-create-ringbuffer" title="gst_base_audio_src_create_ringbuffer ()">gst_base_audio_src_create_ringbuffer</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#gst-base-audio-src-set-provide-clock" title="gst_base_audio_src_set_provide_clock ()">gst_base_audio_src_set_provide_clock</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#gst-base-audio-src-get-provide-clock" title="gst_base_audio_src_get_provide_clock ()">gst_base_audio_src_get_provide_clock</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrcSlaveMethod" title="enum GstBaseAudioSrcSlaveMethod"><span class="returnvalue">GstBaseAudioSrcSlaveMethod</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#gst-base-audio-src-get-slave-method" title="gst_base_audio_src_get_slave_method ()">gst_base_audio_src_get_slave_method</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#gst-base-audio-src-set-slave-method" title="gst_base_audio_src_set_slave_method ()">gst_base_audio_src_set_slave_method</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstbaseaudiosrc.properties"></a><h2>Properties</h2>
<div class="informaltable"><table 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"><span class="type">gint64</span></td>
<td class="property_name"><a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc--actual-buffer-time" title="The “actual-buffer-time” property">actual-buffer-time</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type"><span class="type">gint64</span></td>
<td class="property_name"><a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc--actual-latency-time" title="The “actual-latency-time” property">actual-latency-time</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type"><span class="type">gint64</span></td>
<td class="property_name"><a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc--buffer-time" title="The “buffer-time” property">buffer-time</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">gint64</span></td>
<td class="property_name"><a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc--latency-time" title="The “latency-time” property">latency-time</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc--provide-clock" title="The “provide-clock” property">provide-clock</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrcSlaveMethod" title="enum GstBaseAudioSrcSlaveMethod"><span class="type">GstBaseAudioSrcSlaveMethod</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc--slave-method" title="The “slave-method” property">slave-method</a></td>
<td class="property_flags">Read / Write</td>
</tr>
</tbody>
</table></div>
</div>
<a name="GstBaseAudioSrc"></a><div class="refsect1">
<a name="gst-plugins-base-libs-gstbaseaudiosrc.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table 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-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc-struct" title="struct GstBaseAudioSrc">GstBaseAudioSrc</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrcClass" title="struct GstBaseAudioSrcClass">GstBaseAudioSrcClass</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrcSlaveMethod" title="enum GstBaseAudioSrcSlaveMethod">GstBaseAudioSrcSlaveMethod</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstbaseaudiosrc.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
    <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstObject.html">GstObject</a>
        <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html">GstElement</a>
            <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-0.10/GstBaseSrc.html">GstBaseSrc</a>
                <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-0.10/GstPushSrc.html">GstPushSrc</a>
                    <span class="lineart">╰──</span> GstBaseAudioSrc
                        <span class="lineart">╰──</span> <a class="link" href="gst-plugins-base-libs-gstaudiosrc.html#GstAudioSrc">GstAudioSrc</a>
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstbaseaudiosrc.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;gst/audio/gstbaseaudiosrc.h&gt;
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstbaseaudiosrc.description"></a><h2>Description</h2>
<p>This is the base class for audio sources. Subclasses need to implement the
::create_ringbuffer vmethod. This base class will then take care of
reading samples from the ringbuffer, synchronisation and flushing.</p>
<p>Last reviewed on 2006-09-27 (0.10.12)</p>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstbaseaudiosrc.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="GST-BASE-AUDIO-SRC-CLOCK:CAPS"></a><h3>GST_BASE_AUDIO_SRC_CLOCK()</h3>
<pre class="programlisting">#define GST_BASE_AUDIO_SRC_CLOCK(obj)    (GST_BASE_AUDIO_SRC (obj)-&gt;clock)
</pre>
<p>Get the <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html"><span class="type">GstClock</span></a> of <em class="parameter"><code>obj</code></em>
.</p>
<div class="refsect3">
<a name="id-1.2.5.12.10.2.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>obj</p></td>
<td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc"><span class="type">GstBaseAudioSrc</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GST-BASE-AUDIO-SRC-PAD:CAPS"></a><h3>GST_BASE_AUDIO_SRC_PAD()</h3>
<pre class="programlisting">#define GST_BASE_AUDIO_SRC_PAD(obj)      (GST_BASE_SRC (obj)-&gt;srcpad)
</pre>
<p>Get the source <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html"><span class="type">GstPad</span></a> of <em class="parameter"><code>obj</code></em>
.</p>
<div class="refsect3">
<a name="id-1.2.5.12.10.3.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>obj</p></td>
<td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc"><span class="type">GstBaseAudioSrc</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-base-audio-src-create-ringbuffer"></a><h3>gst_base_audio_src_create_ringbuffer ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstringbuffer.html#GstRingBuffer"><span class="returnvalue">GstRingBuffer</span></a> *
gst_base_audio_src_create_ringbuffer (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc"><span class="type">GstBaseAudioSrc</span></a> *src</code></em>);</pre>
<p>Create and return the <a class="link" href="gst-plugins-base-libs-gstringbuffer.html#GstRingBuffer"><span class="type">GstRingBuffer</span></a> for <em class="parameter"><code>src</code></em>
. This function will call the
::create_ringbuffer vmethod and will set <em class="parameter"><code>src</code></em>
 as the parent of the returned
buffer (see <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstObject.html#gst-object-set-parent"><code class="function">gst_object_set_parent()</code></a>).</p>
<div class="refsect3">
<a name="id-1.2.5.12.10.4.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>src</p></td>
<td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc"><span class="type">GstBaseAudioSrc</span></a>.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.5.12.10.4.6"></a><h4>Returns</h4>
<p> The new ringbuffer of <em class="parameter"><code>src</code></em>
.</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-base-audio-src-set-provide-clock"></a><h3>gst_base_audio_src_set_provide_clock ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_base_audio_src_set_provide_clock (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc"><span class="type">GstBaseAudioSrc</span></a> *src</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> provide</code></em>);</pre>
<p>Controls whether <em class="parameter"><code>src</code></em>
 will provide a clock or not. If <em class="parameter"><code>provide</code></em>
 is <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>, 
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html#gst-element-provide-clock"><code class="function">gst_element_provide_clock()</code></a> will return a clock that reflects the datarate
of <em class="parameter"><code>src</code></em>
. If <em class="parameter"><code>provide</code></em>
 is <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>, <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html#gst-element-provide-clock"><code class="function">gst_element_provide_clock()</code></a> will return NULL.</p>
<div class="refsect3">
<a name="id-1.2.5.12.10.5.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>src</p></td>
<td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc"><span class="type">GstBaseAudioSrc</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>provide</p></td>
<td class="parameter_description"><p>new state</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since 0.10.16</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-base-audio-src-get-provide-clock"></a><h3>gst_base_audio_src_get_provide_clock ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gst_base_audio_src_get_provide_clock (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc"><span class="type">GstBaseAudioSrc</span></a> *src</code></em>);</pre>
<p>Queries whether <em class="parameter"><code>src</code></em>
 will provide a clock or not. See also
gst_base_audio_src_set_provide_clock.</p>
<div class="refsect3">
<a name="id-1.2.5.12.10.6.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>src</p></td>
<td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc"><span class="type">GstBaseAudioSrc</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.5.12.10.6.6"></a><h4>Returns</h4>
<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>src</code></em>
will provide a clock.</p>
<p></p>
</div>
<p class="since">Since 0.10.16</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-base-audio-src-get-slave-method"></a><h3>gst_base_audio_src_get_slave_method ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrcSlaveMethod" title="enum GstBaseAudioSrcSlaveMethod"><span class="returnvalue">GstBaseAudioSrcSlaveMethod</span></a>
gst_base_audio_src_get_slave_method (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc"><span class="type">GstBaseAudioSrc</span></a> *src</code></em>);</pre>
<p>Get the current slave method used by <em class="parameter"><code>src</code></em>
.</p>
<div class="refsect3">
<a name="id-1.2.5.12.10.7.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>src</p></td>
<td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc"><span class="type">GstBaseAudioSrc</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.5.12.10.7.6"></a><h4>Returns</h4>
<p> The current slave method used by <em class="parameter"><code>src</code></em>
.</p>
<p></p>
</div>
<p class="since">Since 0.10.20</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-base-audio-src-set-slave-method"></a><h3>gst_base_audio_src_set_slave_method ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_base_audio_src_set_slave_method (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc"><span class="type">GstBaseAudioSrc</span></a> *src</code></em>,
                                     <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrcSlaveMethod" title="enum GstBaseAudioSrcSlaveMethod"><span class="type">GstBaseAudioSrcSlaveMethod</span></a> method</code></em>);</pre>
<p>Controls how clock slaving will be performed in <em class="parameter"><code>src</code></em>
.</p>
<div class="refsect3">
<a name="id-1.2.5.12.10.8.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>src</p></td>
<td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc"><span class="type">GstBaseAudioSrc</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>method</p></td>
<td class="parameter_description"><p>the new slave method</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since 0.10.20</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstbaseaudiosrc.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstBaseAudioSrc-struct"></a><h3>struct GstBaseAudioSrc</h3>
<pre class="programlisting">struct GstBaseAudioSrc;</pre>
<p>Opaque <a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc"><span class="type">GstBaseAudioSrc</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GstBaseAudioSrcClass"></a><h3>struct GstBaseAudioSrcClass</h3>
<pre class="programlisting">struct GstBaseAudioSrcClass {
  GstPushSrcClass parent_class;

  /* subclass ringbuffer allocation */
  GstRingBuffer* (*create_ringbuffer)  (GstBaseAudioSrc *src);
};
</pre>
<p><a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrc"><span class="type">GstBaseAudioSrc</span></a> class. Override the vmethod to implement
functionality.</p>
<div class="refsect3">
<a name="id-1.2.5.12.11.3.5"></a><h4>Members</h4>
<div class="informaltable"><table 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><span class="type">GstPushSrcClass</span> <em class="structfield"><code><a name="GstBaseAudioSrcClass.parent-class"></a>parent_class</code></em>;</p></td>
<td class="struct_member_description"><p>the parent class.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GstBaseAudioSrcClass.create-ringbuffer"></a>create_ringbuffer</code></em> ()</p></td>
<td class="struct_member_description"><p>create and return a <a class="link" href="gst-plugins-base-libs-gstringbuffer.html#GstRingBuffer"><span class="type">GstRingBuffer</span></a> to read from.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstBaseAudioSrcSlaveMethod"></a><h3>enum GstBaseAudioSrcSlaveMethod</h3>
<p>Different possible clock slaving algorithms when the internal audio clock was
not selected as the pipeline clock.</p>
<div class="refsect3">
<a name="id-1.2.5.12.11.4.4"></a><h4>Members</h4>
<div class="informaltable"><table 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-BASE-AUDIO-SRC-SLAVE-RESAMPLE:CAPS"></a>GST_BASE_AUDIO_SRC_SLAVE_RESAMPLE</p></td>
<td class="enum_member_description">
<p>Resample to match the master clock. </p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-BASE-AUDIO-SRC-SLAVE-RETIMESTAMP:CAPS"></a>GST_BASE_AUDIO_SRC_SLAVE_RETIMESTAMP</p></td>
<td class="enum_member_description">
<p>Retimestamp output buffers with master
clock time.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-BASE-AUDIO-SRC-SLAVE-SKEW:CAPS"></a>GST_BASE_AUDIO_SRC_SLAVE_SKEW</p></td>
<td class="enum_member_description">
<p>Adjust capture pointer when master clock
drifts too much.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-BASE-AUDIO-SRC-SLAVE-NONE:CAPS"></a>GST_BASE_AUDIO_SRC_SLAVE_NONE</p></td>
<td class="enum_member_description">
<p>No adjustment is done. </p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstbaseaudiosrc.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstBaseAudioSrc--actual-buffer-time"></a><h3>The <code class="literal">“actual-buffer-time”</code> property</h3>
<pre class="programlisting">  “actual-buffer-time”       <span class="type">gint64</span></pre>
<p>Actual configured size of audio buffer in microseconds.</p>
<p>Flags: Read</p>
<p>Allowed values: &gt;= -1</p>
<p>Default value: -1</p>
<p class="since">Since 0.10.20</p>
</div>
<hr>
<div class="refsect2">
<a name="GstBaseAudioSrc--actual-latency-time"></a><h3>The <code class="literal">“actual-latency-time”</code> property</h3>
<pre class="programlisting">  “actual-latency-time”      <span class="type">gint64</span></pre>
<p>Actual configured audio latency in microseconds.</p>
<p>Flags: Read</p>
<p>Allowed values: &gt;= -1</p>
<p>Default value: -1</p>
<p class="since">Since 0.10.20</p>
</div>
<hr>
<div class="refsect2">
<a name="GstBaseAudioSrc--buffer-time"></a><h3>The <code class="literal">“buffer-time”</code> property</h3>
<pre class="programlisting">  “buffer-time”              <span class="type">gint64</span></pre>
<p>Size of audio buffer in microseconds.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: &gt;= 1</p>
<p>Default value: 200000</p>
</div>
<hr>
<div class="refsect2">
<a name="GstBaseAudioSrc--latency-time"></a><h3>The <code class="literal">“latency-time”</code> property</h3>
<pre class="programlisting">  “latency-time”             <span class="type">gint64</span></pre>
<p>Audio latency in microseconds.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: &gt;= 1</p>
<p>Default value: 10000</p>
</div>
<hr>
<div class="refsect2">
<a name="GstBaseAudioSrc--provide-clock"></a><h3>The <code class="literal">“provide-clock”</code> property</h3>
<pre class="programlisting">  “provide-clock”            <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>Provide a clock to be used as the global pipeline clock.</p>
<p>Flags: Read / Write</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstBaseAudioSrc--slave-method"></a><h3>The <code class="literal">“slave-method”</code> property</h3>
<pre class="programlisting">  “slave-method”             <a class="link" href="gst-plugins-base-libs-gstbaseaudiosrc.html#GstBaseAudioSrcSlaveMethod" title="enum GstBaseAudioSrcSlaveMethod"><span class="type">GstBaseAudioSrcSlaveMethod</span></a></pre>
<p>Algorithm to use to match the rate of the masterclock.</p>
<p>Flags: Read / Write</p>
<p>Default value: GST_BASE_AUDIO_SRC_SLAVE_SKEW</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstbaseaudiosrc.see-also"></a><h2>See Also</h2>
<p><a class="link" href="gst-plugins-base-libs-gstaudiosrc.html#GstAudioSrc"><span class="type">GstAudioSrc</span></a>, <a class="link" href="gst-plugins-base-libs-gstringbuffer.html#GstRingBuffer"><span class="type">GstRingBuffer</span></a>.</p>
</div>
</div>
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