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<title>GESPipeline: GStreamer Editing Services 1.6.2 Reference Manual</title>
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<div class="refentry">
<a name="GESPipeline"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GESPipeline.top_of_page"></a>GESPipeline</span></h2>
<p>GESPipeline — Convenience GstPipeline for editing.</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="GESPipeline.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="function_type">
<a class="link" href="GESPipeline.html" title="GESPipeline"><span class="returnvalue">GESPipeline</span></a> *
</td>
<td class="function_name">
<a class="link" href="GESPipeline.html#ges-pipeline-new" title="ges_pipeline_new ()">ges_pipeline_new</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="GESPipeline.html#ges-pipeline-set-timeline" title="ges_pipeline_set_timeline ()">ges_pipeline_set_timeline</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="GESPipeline.html#ges-pipeline-set-mode" title="ges_pipeline_set_mode ()">ges_pipeline_set_mode</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="GESPipeline.html#ges-pipeline-set-render-settings" title="ges_pipeline_set_render_settings ()">ges_pipeline_set_render_settings</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="returnvalue">GstElement</span></a> *
</td>
<td class="function_name">
<a class="link" href="GESPipeline.html#ges-pipeline-preview-get-audio-sink" title="ges_pipeline_preview_get_audio_sink ()">ges_pipeline_preview_get_audio_sink</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="returnvalue">GstElement</span></a> *
</td>
<td class="function_name">
<a class="link" href="GESPipeline.html#ges-pipeline-preview-get-video-sink" title="ges_pipeline_preview_get_video_sink ()">ges_pipeline_preview_get_video_sink</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="GESPipeline.html#ges-pipeline-preview-set-audio-sink" title="ges_pipeline_preview_set_audio_sink ()">ges_pipeline_preview_set_audio_sink</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="GESPipeline.html#ges-pipeline-preview-set-video-sink" title="ges_pipeline_preview_set_video_sink ()">ges_pipeline_preview_set_video_sink</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="ges-GES-Enums.html#GESPipelineFlags" title="enum GESPipelineFlags"><span class="returnvalue">GESPipelineFlags</span></a>
</td>
<td class="function_name">
<a class="link" href="GESPipeline.html#ges-pipeline-get-mode" title="ges_pipeline_get_mode ()">ges_pipeline_get_mode</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstSample.html"><span class="returnvalue">GstSample</span></a> *
</td>
<td class="function_name">
<a class="link" href="GESPipeline.html#ges-pipeline-get-thumbnail" title="ges_pipeline_get_thumbnail ()">ges_pipeline_get_thumbnail</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstSample.html"><span class="returnvalue">GstSample</span></a> *
</td>
<td class="function_name">
<a class="link" href="GESPipeline.html#ges-pipeline-get-thumbnail-rgb24" title="ges_pipeline_get_thumbnail_rgb24 ()">ges_pipeline_get_thumbnail_rgb24</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="GESPipeline.html#ges-pipeline-save-thumbnail" title="ges_pipeline_save_thumbnail ()">ges_pipeline_save_thumbnail</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GESPipeline.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">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="type">GstElement</span></a> *</td>
<td class="property_name"><a class="link" href="GESPipeline.html#GESPipeline--audio-filter" title="The “audio-filter” property">audio-filter</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="type">GstElement</span></a> *</td>
<td class="property_name"><a class="link" href="GESPipeline.html#GESPipeline--audio-sink" title="The “audio-sink” property">audio-sink</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a class="link" href="ges-GES-Enums.html#GESPipelineFlags" title="enum GESPipelineFlags"><span class="type">GESPipelineFlags</span></a></td>
<td class="property_name"><a class="link" href="GESPipeline.html#GESPipeline--mode" title="The “mode” property">mode</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type">
<a class="link" href="GESTimeline.html" title="GESTimeline"><span class="type">GESTimeline</span></a> *</td>
<td class="property_name"><a class="link" href="GESPipeline.html#GESPipeline--timeline" title="The “timeline” property">timeline</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="type">GstElement</span></a> *</td>
<td class="property_name"><a class="link" href="GESPipeline.html#GESPipeline--video-filter" title="The “video-filter” property">video-filter</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="type">GstElement</span></a> *</td>
<td class="property_name"><a class="link" href="GESPipeline.html#GESPipeline--video-sink" title="The “video-sink” property">video-sink</a></td>
<td class="property_flags">Read / Write</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GESPipeline.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"> </td>
<td class="function_name"><a class="link" href="GESPipeline.html#GESPipeline-struct" title="GESPipeline">GESPipeline</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GESPipeline.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/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html">GstObject</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html">GstElement</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstBin.html">GstBin</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPipeline.html">GstPipeline</a>
<span class="lineart">╰──</span> GESPipeline
</pre>
</div>
<div class="refsect1">
<a name="GESPipeline.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GESPipeline implements
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstChildProxy.html">GstChildProxy</a> and <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/gst-plugins-base-libs-gstvideooverlay.html#GstVideoOverlay">GstVideoOverlay</a>.</p>
</div>
<div class="refsect1">
<a name="GESPipeline.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <ges/ges.h>
</pre>
</div>
<div class="refsect1">
<a name="GESPipeline.description"></a><h2>Description</h2>
<p><a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> allows developers to view and render <a class="link" href="GESTimeline.html" title="GESTimeline"><span class="type">GESTimeline</span></a>
in a simple fashion.
Its usage is inspired by the 'playbin' element from gst-plugins-base.</p>
</div>
<div class="refsect1">
<a name="GESPipeline.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="ges-pipeline-new"></a><h3>ges_pipeline_new ()</h3>
<pre class="programlisting"><a class="link" href="GESPipeline.html" title="GESPipeline"><span class="returnvalue">GESPipeline</span></a> *
ges_pipeline_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Creates a new conveninence <a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a>.</p>
<div class="refsect3">
<a name="id-1.6.2.10.2.5"></a><h4>Returns</h4>
<p> the new <a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a>.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-pipeline-set-timeline"></a><h3>ges_pipeline_set_timeline ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
ges_pipeline_set_timeline (<em class="parameter"><code><a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> *pipeline</code></em>,
<em class="parameter"><code><a class="link" href="GESTimeline.html" title="GESTimeline"><span class="type">GESTimeline</span></a> *timeline</code></em>);</pre>
<p>Sets the timeline to use in this pipeline.</p>
<p>The reference to the <em class="parameter"><code>timeline</code></em>
will be stolen by the <em class="parameter"><code>pipeline</code></em>
.</p>
<div class="refsect3">
<a name="id-1.6.2.10.3.6"></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>pipeline</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>timeline</p></td>
<td class="parameter_description"><p>the <a class="link" href="GESTimeline.html" title="GESTimeline"><span class="type">GESTimeline</span></a> to set on the <em class="parameter"><code>pipeline</code></em>
.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.6.2.10.3.7"></a><h4>Returns</h4>
<p> TRUE if the <em class="parameter"><code>timeline</code></em>
could be successfully set on the <em class="parameter"><code>pipeline</code></em>
,
else FALSE.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-pipeline-set-mode"></a><h3>ges_pipeline_set_mode ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
ges_pipeline_set_mode (<em class="parameter"><code><a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> *pipeline</code></em>,
<em class="parameter"><code><a class="link" href="ges-GES-Enums.html#GESPipelineFlags" title="enum GESPipelineFlags"><span class="type">GESPipelineFlags</span></a> mode</code></em>);</pre>
<p>switches the <em class="parameter"><code>pipeline</code></em>
to the specified <em class="parameter"><code>mode</code></em>
. The default mode when
creating a <a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> is <a class="link" href="ges-GES-Enums.html#GES-PIPELINE-MODE-PREVIEW:CAPS"><span class="type">GES_PIPELINE_MODE_PREVIEW</span></a>.</p>
<p>Note: The <em class="parameter"><code>pipeline</code></em>
will be set to <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GST-STATE-NULL:CAPS"><span class="type">GST_STATE_NULL</span></a> during this call due to
the internal changes that happen. The caller will therefore have to
set the <em class="parameter"><code>pipeline</code></em>
to the requested state after calling this method.</p>
<div class="refsect3">
<a name="id-1.6.2.10.4.6"></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>pipeline</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>mode</p></td>
<td class="parameter_description"><p>the <a class="link" href="ges-GES-Enums.html#GESPipelineFlags" title="enum GESPipelineFlags"><span class="type">GESPipelineFlags</span></a> to use</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.6.2.10.4.7"></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 the mode was properly set, else <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-pipeline-set-render-settings"></a><h3>ges_pipeline_set_render_settings ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
ges_pipeline_set_render_settings (<em class="parameter"><code><a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> *pipeline</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *output_uri</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/gst-plugins-base-libs-encoding-profile.html#GstEncodingProfile"><span class="type">GstEncodingProfile</span></a> *profile</code></em>);</pre>
<p>Specify where the pipeline shall be rendered and with what settings.</p>
<p>A copy of <em class="parameter"><code>profile</code></em>
and <em class="parameter"><code>output_uri</code></em>
will be done internally, the caller can
safely free those values afterwards.</p>
<p>This method must be called before setting the pipeline mode to
<a class="link" href="ges-GES-Enums.html#GES-PIPELINE-MODE-RENDER:CAPS"><span class="type">GES_PIPELINE_MODE_RENDER</span></a></p>
<div class="refsect3">
<a name="id-1.6.2.10.5.7"></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>pipeline</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>output_uri</p></td>
<td class="parameter_description"><p>the URI to which the timeline will be rendered</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>profile</p></td>
<td class="parameter_description"><p>the <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/gst-plugins-base-libs-encoding-profile.html#GstEncodingProfile"><span class="type">GstEncodingProfile</span></a> to use to render the timeline.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.6.2.10.5.8"></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 the settings were aknowledged properly, else <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-pipeline-preview-get-audio-sink"></a><h3>ges_pipeline_preview_get_audio_sink ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="returnvalue">GstElement</span></a> *
ges_pipeline_preview_get_audio_sink (<em class="parameter"><code><a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> *self</code></em>);</pre>
<p>Obtains a pointer to playsink's audio sink element that is used for
displaying audio when the <a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> is in <a class="link" href="ges-GES-Enums.html#GES-PIPELINE-MODE-PREVIEW:CAPS"><code class="literal">GES_PIPELINE_MODE_PREVIEW</code></a></p>
<p>The caller is responsible for unreffing the returned element with
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#gst-object-unref"><span class="type">gst_object_unref</span></a>.</p>
<div class="refsect3">
<a name="id-1.6.2.10.6.6"></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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.6.2.10.6.7"></a><h4>Returns</h4>
<p> a pointer to the playsink audio sink <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="type">GstElement</span></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-pipeline-preview-get-video-sink"></a><h3>ges_pipeline_preview_get_video_sink ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="returnvalue">GstElement</span></a> *
ges_pipeline_preview_get_video_sink (<em class="parameter"><code><a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> *self</code></em>);</pre>
<p>Obtains a pointer to playsink's video sink element that is used for
displaying video when the <a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> is in <a class="link" href="ges-GES-Enums.html#GES-PIPELINE-MODE-PREVIEW:CAPS"><code class="literal">GES_PIPELINE_MODE_PREVIEW</code></a></p>
<p>The caller is responsible for unreffing the returned element with
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#gst-object-unref"><span class="type">gst_object_unref</span></a>.</p>
<div class="refsect3">
<a name="id-1.6.2.10.7.6"></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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.6.2.10.7.7"></a><h4>Returns</h4>
<p> a pointer to the playsink video sink <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="type">GstElement</span></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-pipeline-preview-set-audio-sink"></a><h3>ges_pipeline_preview_set_audio_sink ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
ges_pipeline_preview_set_audio_sink (<em class="parameter"><code><a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> *self</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="type">GstElement</span></a> *sink</code></em>);</pre>
<p>Sets playsink's audio sink element that is used for displaying audio when
the <a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> is in <a class="link" href="ges-GES-Enums.html#GES-PIPELINE-MODE-PREVIEW:CAPS"><code class="literal">GES_PIPELINE_MODE_PREVIEW</code></a></p>
<div class="refsect3">
<a name="id-1.6.2.10.8.5"></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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> in <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GST-STATE-NULL:CAPS"><code class="literal">GST_STATE_NULL</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>sink</p></td>
<td class="parameter_description"><p> a audio sink <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="type">GstElement</span></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-pipeline-preview-set-video-sink"></a><h3>ges_pipeline_preview_set_video_sink ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
ges_pipeline_preview_set_video_sink (<em class="parameter"><code><a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> *self</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="type">GstElement</span></a> *sink</code></em>);</pre>
<p>Sets playsink's video sink element that is used for displaying video when
the <a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> is in <a class="link" href="ges-GES-Enums.html#GES-PIPELINE-MODE-PREVIEW:CAPS"><code class="literal">GES_PIPELINE_MODE_PREVIEW</code></a></p>
<div class="refsect3">
<a name="id-1.6.2.10.9.5"></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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> in <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GST-STATE-NULL:CAPS"><code class="literal">GST_STATE_NULL</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>sink</p></td>
<td class="parameter_description"><p> a video sink <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="type">GstElement</span></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-pipeline-get-mode"></a><h3>ges_pipeline_get_mode ()</h3>
<pre class="programlisting"><a class="link" href="ges-GES-Enums.html#GESPipelineFlags" title="enum GESPipelineFlags"><span class="returnvalue">GESPipelineFlags</span></a>
ges_pipeline_get_mode (<em class="parameter"><code><a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> *pipeline</code></em>);</pre>
<div class="refsect3">
<a name="id-1.6.2.10.10.4"></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>pipeline</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.6.2.10.10.5"></a><h4>Returns</h4>
<p> the <a class="link" href="ges-GES-Enums.html#GESPipelineFlags" title="enum GESPipelineFlags"><span class="type">GESPipelineFlags</span></a> currently in use.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-pipeline-get-thumbnail"></a><h3>ges_pipeline_get_thumbnail ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstSample.html"><span class="returnvalue">GstSample</span></a> *
ges_pipeline_get_thumbnail (<em class="parameter"><code><a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> *self</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html"><span class="type">GstCaps</span></a> *caps</code></em>);</pre>
<p>Returns a <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstSample.html"><span class="type">GstSample</span></a> with the currently playing image in the format specified by
caps. The caller should free the sample with <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstSample.html#gst-sample-unref"><span class="type">gst_sample_unref</span></a> when finished. If ANY
caps are specified, the information will be returned in the whatever format
is currently used by the sink. This information can be retrieve from caps
associated with the buffer.</p>
<div class="refsect3">
<a name="id-1.6.2.10.11.5"></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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> in <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GST-STATE-PLAYING:CAPS"><code class="literal">GST_STATE_PLAYING</code></a> or <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GST-STATE-PAUSED:CAPS"><code class="literal">GST_STATE_PAUSED</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>caps</p></td>
<td class="parameter_description"><p> caps specifying current format. Use <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html#GST-CAPS-ANY:CAPS"><code class="literal">GST_CAPS_ANY</code></a>
for native size. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.6.2.10.11.6"></a><h4>Returns</h4>
<p> a <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstSample.html"><span class="type">GstSample</span></a> or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-pipeline-get-thumbnail-rgb24"></a><h3>ges_pipeline_get_thumbnail_rgb24 ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstSample.html"><span class="returnvalue">GstSample</span></a> *
ges_pipeline_get_thumbnail_rgb24 (<em class="parameter"><code><a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> *self</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> width</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> height</code></em>);</pre>
<p>A convenience method for <em class="parameter"><code>ges_pipeline_get_thumbnail</code></em>
which
returns a buffer in 24-bit RGB, optionally scaled to the specified width
and height. If -1 is specified for either dimension, it will be left at
native size. You can retreive this information from the caps associated
with the buffer.</p>
<p>The caller is responsible for unreffing the returned sample with
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstSample.html#gst-sample-unref"><span class="type">gst_sample_unref</span></a>.</p>
<div class="refsect3">
<a name="id-1.6.2.10.12.6"></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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> in <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GST-STATE-PLAYING:CAPS"><code class="literal">GST_STATE_PLAYING</code></a> or <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GST-STATE-PAUSED:CAPS"><code class="literal">GST_STATE_PAUSED</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>width</p></td>
<td class="parameter_description"><p>the requested width or -1 for native size</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>height</p></td>
<td class="parameter_description"><p>the requested height or -1 for native size</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.6.2.10.12.7"></a><h4>Returns</h4>
<p> a <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstSample.html"><span class="type">GstSample</span></a> or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-pipeline-save-thumbnail"></a><h3>ges_pipeline_save_thumbnail ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
ges_pipeline_save_thumbnail (<em class="parameter"><code><a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> *self</code></em>,
<em class="parameter"><code><span class="type">int</span> width</code></em>,
<em class="parameter"><code><span class="type">int</span> height</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *format</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *location</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>Saves the current frame to the specified <em class="parameter"><code>location</code></em>
.</p>
<div class="refsect3">
<a name="id-1.6.2.10.13.5"></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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESPipeline.html" title="GESPipeline"><span class="type">GESPipeline</span></a> in <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GST-STATE-PLAYING:CAPS"><code class="literal">GST_STATE_PLAYING</code></a> or <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GST-STATE-PAUSED:CAPS"><code class="literal">GST_STATE_PAUSED</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>width</p></td>
<td class="parameter_description"><p>the requested width or -1 for native size</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>height</p></td>
<td class="parameter_description"><p>the requested height or -1 for native size</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>format</p></td>
<td class="parameter_description"><p>a string specifying the desired mime type (for example,
image/jpeg)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>location</p></td>
<td class="parameter_description"><p>the path to save the thumbnail</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p> An error to be set in case
something wrong happens 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"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.6.2.10.13.6"></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 the thumbnail was properly save, else <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>.</p>
</div>
</div>
</div>
<div class="refsect1">
<a name="GESPipeline.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GESPipeline-struct"></a><h3>GESPipeline</h3>
<pre class="programlisting">typedef struct _GESPipeline GESPipeline;</pre>
</div>
</div>
<div class="refsect1">
<a name="GESPipeline.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GESPipeline--audio-filter"></a><h3>The <code class="literal">“audio-filter”</code> property</h3>
<pre class="programlisting"> “audio-filter” <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="type">GstElement</span></a> *</pre>
<p>the audio filter(s) to apply, if possible.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GESPipeline--audio-sink"></a><h3>The <code class="literal">“audio-sink”</code> property</h3>
<pre class="programlisting"> “audio-sink” <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="type">GstElement</span></a> *</pre>
<p>Audio sink for the preview.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GESPipeline--mode"></a><h3>The <code class="literal">“mode”</code> property</h3>
<pre class="programlisting"> “mode” <a class="link" href="ges-GES-Enums.html#GESPipelineFlags" title="enum GESPipelineFlags"><span class="type">GESPipelineFlags</span></a></pre>
<p>Pipeline mode. See <a class="link" href="GESPipeline.html#ges-pipeline-set-mode" title="ges_pipeline_set_mode ()"><code class="function">ges_pipeline_set_mode()</code></a> for more
info.</p>
<p>Flags: Read / Write</p>
<p>Default value: GES_PIPELINE_MODE_PREVIEW_AUDIO | GES_PIPELINE_MODE_PREVIEW_VIDEO</p>
</div>
<hr>
<div class="refsect2">
<a name="GESPipeline--timeline"></a><h3>The <code class="literal">“timeline”</code> property</h3>
<pre class="programlisting"> “timeline” <a class="link" href="GESTimeline.html" title="GESTimeline"><span class="type">GESTimeline</span></a> *</pre>
<p>Timeline to use in this pipeline. See also
<a class="link" href="GESPipeline.html#ges-pipeline-set-timeline" title="ges_pipeline_set_timeline ()"><code class="function">ges_pipeline_set_timeline()</code></a> for more info.</p>
<p>Flags: Read / Write</p>
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<hr>
<div class="refsect2">
<a name="GESPipeline--video-filter"></a><h3>The <code class="literal">“video-filter”</code> property</h3>
<pre class="programlisting"> “video-filter” <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="type">GstElement</span></a> *</pre>
<p>the Video filter(s) to apply, if possible.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GESPipeline--video-sink"></a><h3>The <code class="literal">“video-sink”</code> property</h3>
<pre class="programlisting"> “video-sink” <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="type">GstElement</span></a> *</pre>
<p>Video sink for the preview.</p>
<p>Flags: Read / Write</p>
</div>
</div>
</div>
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