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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>GStreamer Bad Plugins 1.0 Plugins Reference Manual: fpsdisplaysink</title>
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<a href="#gst-plugins-bad-plugins-fpsdisplaysink.properties" class="shortcut">Properties</a></span><span id="nav_signals"> <span class="dim">|</span>
<a href="#gst-plugins-bad-plugins-fpsdisplaysink.signals" class="shortcut">Signals</a></span>
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<div class="refentry">
<a name="gst-plugins-bad-plugins-fpsdisplaysink"></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-fpsdisplaysink.top_of_page"></a>fpsdisplaysink</span></h2>
<p>fpsdisplaysink — Shows the current frame-rate and drop-rate of the videosink as overlay or text on stdout</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-fpsdisplaysink.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="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-fpsdisplaysink.html#GstFPSDisplaySink--sync" title="The “sync” property">sync</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-fpsdisplaysink.html#GstFPSDisplaySink--text-overlay" title="The “text-overlay” property">text-overlay</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type">
<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html"><span class="type">GstElement</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-fpsdisplaysink.html#GstFPSDisplaySink--video-sink" title="The “video-sink” property">video-sink</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-fpsdisplaysink.html#GstFPSDisplaySink--fps-update-interval" title="The “fps-update-interval” property">fps-update-interval</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-fpsdisplaysink.html#GstFPSDisplaySink--max-fps" title="The “max-fps” property">max-fps</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-fpsdisplaysink.html#GstFPSDisplaySink--min-fps" title="The “min-fps” property">min-fps</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-fpsdisplaysink.html#GstFPSDisplaySink--signal-fps-measurements" title="The “signal-fps-measurements” property">signal-fps-measurements</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-fpsdisplaysink.html#GstFPSDisplaySink--frames-dropped" title="The “frames-dropped” property">frames-dropped</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-fpsdisplaysink.html#GstFPSDisplaySink--frames-rendered" title="The “frames-rendered” property">frames-rendered</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type">
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-fpsdisplaysink.html#GstFPSDisplaySink--last-message" title="The “last-message” property">last-message</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-fpsdisplaysink.html#GstFPSDisplaySink--silent" title="The “silent” property">silent</a></td>
<td class="property_flags">Read / Write</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-fpsdisplaysink.signals"></a><h2>Signals</h2>
<div class="informaltable"><table border="0">
<colgroup>
<col width="150px" class="signals_return">
<col width="300px" class="signals_name">
<col width="200px" class="signals_flags">
</colgroup>
<tbody><tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="gst-plugins-bad-plugins-fpsdisplaysink.html#GstFPSDisplaySink-fps-measurements" title="The “fps-measurements” signal">fps-measurements</a></td>
<td class="signal_flags">Run Last</td>
</tr></tbody>
</table></div>
</div>
<a name="GstFPSDisplaySink"></a><div class="refsect1">
<a name="gst-plugins-bad-plugins-fpsdisplaysink.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-bad-plugins-fpsdisplaysink.html#GstFPSDisplaySink-struct" title="struct GstFPSDisplaySink">GstFPSDisplaySink</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-fpsdisplaysink.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> <a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a>
<span class="lineart">╰──</span> <a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
<span class="lineart">╰──</span> <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstObject.html">GstObject</a>
<span class="lineart">╰──</span> <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html">GstElement</a>
<span class="lineart">╰──</span> <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstBin.html">GstBin</a>
<span class="lineart">╰──</span> GstFPSDisplaySink
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-fpsdisplaysink.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GstFPSDisplaySink implements
<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstChildProxy.html">GstChildProxy</a>.</p>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-fpsdisplaysink.description"></a><h2>Description</h2>
<p>Can display the current and average framerate as a testoverlay or on stdout.</p>
<div class="refsect2">
<a name="id-1.2.35.9.3"></a><h3>Example launch lines</h3>
<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 videotestsrc <span class="gtkdoc opt">!</span> fpsdisplaysink
gst<span class="gtkdoc opt">-</span>launch videotestsrc <span class="gtkdoc opt">!</span> fpsdisplaysink text<span class="gtkdoc opt">-</span>overlay<span class="gtkdoc opt">=</span><span class="keyword">false</span>
gst<span class="gtkdoc opt">-</span>launch filesrc location<span class="gtkdoc opt">=</span>video<span class="gtkdoc opt">.</span>avi <span class="gtkdoc opt">!</span> decodebin2 name<span class="gtkdoc opt">=</span>d <span class="gtkdoc opt">!</span> queue <span class="gtkdoc opt">!</span> fpsdisplaysink d<span class="gtkdoc opt">. !</span> queue <span class="gtkdoc opt">!</span> fakesink sync<span class="gtkdoc opt">=</span><span class="keyword">true</span>
gst<span class="gtkdoc opt">-</span>launch playbin uri<span class="gtkdoc opt">=</span>file<span class="gtkdoc opt">:</span><span class="gtkdoc slc">///path/to/video.avi video-sink="fpsdisplaysink" audio-sink=fakesink</span></pre></td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.35.9.4.1"></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-debugutilsbad.html#plugin-debugutilsbad">debugutilsbad</a>
</td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Zeeshan Ali <zeeshan.ali@nokia.com>, Stefan Kost <stefan.kost@nokia.com></td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Sink/Video</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.35.9.4.2"></a><h3>Element Pads</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>always</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>ANY</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<p>
</p>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-fpsdisplaysink.functions_details"></a><h2>Functions</h2>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-fpsdisplaysink.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstFPSDisplaySink-struct"></a><h3>struct GstFPSDisplaySink</h3>
<pre class="programlisting">struct GstFPSDisplaySink;</pre>
<p>
</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-fpsdisplaysink.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstFPSDisplaySink--sync"></a><h3>The <code class="literal">“sync”</code> property</h3>
<pre class="programlisting"> “sync” <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>Sync on the clock (if the internally used sink doesn't have this property it will be ignored.</p>
<p>Flags: Read / Write</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstFPSDisplaySink--text-overlay"></a><h3>The <code class="literal">“text-overlay”</code> property</h3>
<pre class="programlisting"> “text-overlay” <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>Whether to use text-overlay.</p>
<p>Flags: Read / Write</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstFPSDisplaySink--video-sink"></a><h3>The <code class="literal">“video-sink”</code> property</h3>
<pre class="programlisting"> “video-sink” <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html"><span class="type">GstElement</span></a> *</pre>
<p>Video sink to use (Must only be called on NULL state).</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstFPSDisplaySink--fps-update-interval"></a><h3>The <code class="literal">“fps-update-interval”</code> property</h3>
<pre class="programlisting"> “fps-update-interval” <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Time between consecutive frames per second measures and update (in ms). Should be set on NULL state.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: >= 1</p>
<p>Default value: 500</p>
</div>
<hr>
<div class="refsect2">
<a name="GstFPSDisplaySink--max-fps"></a><h3>The <code class="literal">“max-fps”</code> property</h3>
<pre class="programlisting"> “max-fps” <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></pre>
<p>Maximum fps rate measured. Reset when going from NULL to READY.-1 means no measurement has yet been done.</p>
<p>Flags: Read</p>
<p>Allowed values: >= -1</p>
<p>Default value: -1</p>
</div>
<hr>
<div class="refsect2">
<a name="GstFPSDisplaySink--min-fps"></a><h3>The <code class="literal">“min-fps”</code> property</h3>
<pre class="programlisting"> “min-fps” <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></pre>
<p>Minimum fps rate measured. Reset when going from NULL to READY.-1 means no measurement has yet been done.</p>
<p>Flags: Read</p>
<p>Allowed values: >= -1</p>
<p>Default value: -1</p>
</div>
<hr>
<div class="refsect2">
<a name="GstFPSDisplaySink--signal-fps-measurements"></a><h3>The <code class="literal">“signal-fps-measurements”</code> property</h3>
<pre class="programlisting"> “signal-fps-measurements” <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>If the fps-measurements signal should be emited.</p>
<p>Flags: Read / Write</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstFPSDisplaySink--frames-dropped"></a><h3>The <code class="literal">“frames-dropped”</code> property</h3>
<pre class="programlisting"> “frames-dropped” <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre>
<p>Number of frames dropped by the sink.</p>
<p>Flags: Read</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstFPSDisplaySink--frames-rendered"></a><h3>The <code class="literal">“frames-rendered”</code> property</h3>
<pre class="programlisting"> “frames-rendered” <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre>
<p>Number of frames rendered.</p>
<p>Flags: Read</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstFPSDisplaySink--last-message"></a><h3>The <code class="literal">“last-message”</code> property</h3>
<pre class="programlisting"> “last-message” <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre>
<p>The message describing current status.</p>
<p>Flags: Read</p>
<p>Default value: NULL</p>
</div>
<hr>
<div class="refsect2">
<a name="GstFPSDisplaySink--silent"></a><h3>The <code class="literal">“silent”</code> property</h3>
<pre class="programlisting"> “silent” <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>Don't produce last_message events.</p>
<p>Flags: Read / Write</p>
<p>Default value: FALSE</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-fpsdisplaysink.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GstFPSDisplaySink-fps-measurements"></a><h3>The <code class="literal">“fps-measurements”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="gst-plugins-bad-plugins-fpsdisplaysink.html#GstFPSDisplaySink"><span class="type">GstFPSDisplaySink</span></a> *fpsdisplaysink,
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> fps,
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> droprate,
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> avgfps,
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre>
<p>Signals the application about the measured fps</p>
<div class="refsect3">
<a name="id-1.2.35.13.2.5"></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>fpsdisplaysink</p></td>
<td class="parameter_description"><p>a <a class="link" href="gst-plugins-bad-plugins-fpsdisplaysink.html#GstFPSDisplaySink"><span class="type">GstFPSDisplaySink</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>fps</p></td>
<td class="parameter_description"><p>The current measured fps</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>droprate</p></td>
<td class="parameter_description"><p>The rate at which buffers are being dropped</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>avgfps</p></td>
<td class="parameter_description"><p>The average fps</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: Run Last</p>
<p class="since">Since 0.10.20</p>
</div>
</div>
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