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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>glviewconvert: GStreamer Bad Plugins 1.0 Plugins Reference Manual</title>
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<div class="refentry">
<a name="gst-plugins-bad-plugins-glviewconvert"></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-glviewconvert.top_of_page"></a>glviewconvert</span></h2>
<p>glviewconvert</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glviewconvert.properties"></a><h2>Properties</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody>
<tr>
<td class="property_type"><span class="type">GstGLStereoDownmix</span></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-glviewconvert.html#GstGLViewConvertElement--downmix-mode" title="The “downmix-mode” property">downmix-mode</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/gst-plugins-base-libs-gstvideo.html#GstVideoMultiviewFlags"><span class="type">GstVideoMultiviewFlags</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-glviewconvert.html#GstGLViewConvertElement--input-flags-override" title="The “input-flags-override” property">input-flags-override</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/gst-plugins-base-libs-gstvideo.html#GstVideoMultiviewFramePacking"><span class="type">GstVideoMultiviewFramePacking</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-glviewconvert.html#GstGLViewConvertElement--input-mode-override" title="The “input-mode-override” property">input-mode-override</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/gst-plugins-base-libs-gstvideo.html#GstVideoMultiviewFlags"><span class="type">GstVideoMultiviewFlags</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-glviewconvert.html#GstGLViewConvertElement--output-flags-override" title="The “output-flags-override” property">output-flags-override</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/gst-plugins-base-libs-gstvideo.html#GstVideoMultiviewMode"><span class="type">GstVideoMultiviewMode</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-glviewconvert.html#GstGLViewConvertElement--output-mode-override" title="The “output-mode-override” property">output-mode-override</a></td>
<td class="property_flags">Read / Write</td>
</tr>
</tbody>
</table></div>
</div>
<a name="GstGLViewConvertElement"></a><div class="refsect1">
<a name="gst-plugins-bad-plugins-glviewconvert.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody><tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-plugins-glviewconvert.html#GstGLViewConvertElement-struct" title="struct GstGLViewConvertElement">GstGLViewConvertElement</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glviewconvert.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-struct">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-struct">GstObject</a>
            <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a>
                <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0/GstBaseTransform.html#GstBaseTransform-struct">GstBaseTransform</a>
                    <span class="lineart">╰──</span> GstGLBaseFilter
                        <span class="lineart">╰──</span> GstGLFilter
                            <span class="lineart">╰──</span> GstGLViewConvertElement
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glviewconvert.description"></a><h2>Description</h2>
<p>Convert stereoscopic video between different representations using fragment shaders.</p>
<p>The element can use either property settings or caps negotiation to choose the
input and output formats to process.</p>
<div class="refsect2">
<a name="id-1.2.87.7.4"></a><h3>Examples</h3>
<div class="informalexample">
  <table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
    <tbody>
      <tr>
        <td class="listing_lines" align="right"><pre>1</pre></td>
        <td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch<span class="gtkdoc opt">-</span><span class="number">1.0</span> videotestsrc <span class="gtkdoc opt">!</span> glupload <span class="gtkdoc opt">!</span> glviewconvert <span class="gtkdoc opt">!</span> glimagesink</pre></td>
      </tr>
    </tbody>
  </table>
</div>
 Simple placebo example demonstrating identity passthrough of mono video
<div class="informalexample">
  <table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
    <tbody>
      <tr>
        <td class="listing_lines" align="right"><pre>1
2</pre></td>
        <td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch<span class="gtkdoc opt">-</span><span class="number">1.0</span> videotestsrc pattern<span class="gtkdoc opt">=</span>checkers<span class="gtkdoc opt">-</span><span class="number">1</span> <span class="gtkdoc opt">!</span> glupload <span class="gtkdoc opt">!</span> \
    glviewconvert input<span class="gtkdoc opt">-</span>mode<span class="gtkdoc opt">-</span>override<span class="gtkdoc opt">=</span>side<span class="gtkdoc opt">-</span>by<span class="gtkdoc opt">-</span>side <span class="gtkdoc opt">!</span> glimagesink <span class="gtkdoc opt">-</span>v</pre></td>
      </tr>
    </tbody>
  </table>
</div>
 Force re-interpretation of the input checkers pattern as a side-by-side stereoscopic
   image and display in glimagesink.
FBO (Frame Buffer Object) and GLSL (OpenGL Shading Language) are required.
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.87.7.5.1"></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-opengl.html#plugin-opengl">opengl</a>
          </td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Jan Schmidt &lt;jan@centricular.com&gt;
Matthew Waters &lt;matthew@centricular.com&gt;</td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Filter</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.87.7.5.2"></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>video/x-raw(ANY), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw(memory:GLMemory), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D</td>
</tr>
</tbody>
</table></div>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>src</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>source</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>always</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>video/x-raw(memory:GLMemory), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw(ANY), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glviewconvert.functions_details"></a><h2>Functions</h2>
<p></p>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glviewconvert.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstGLViewConvertElement-struct"></a><h3>struct GstGLViewConvertElement</h3>
<pre class="programlisting">struct GstGLViewConvertElement;</pre>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glviewconvert.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstGLViewConvertElement--downmix-mode"></a><h3>The <code class="literal">“downmix-mode”</code> property</h3>
<pre class="programlisting">  “downmix-mode”             <span class="type">GstGLStereoDownmix</span></pre>
<p>Output anaglyph type to generate when downmixing to mono.</p>
<p>Flags: Read / Write</p>
<p>Default value: Dubois optimised Green-Magenta anaglyph</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLViewConvertElement--input-flags-override"></a><h3>The <code class="literal">“input-flags-override”</code> property</h3>
<pre class="programlisting">  “input-flags-override”     <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/gst-plugins-base-libs-gstvideo.html#GstVideoMultiviewFlags"><span class="type">GstVideoMultiviewFlags</span></a></pre>
<p>Override any input information about multiview layout flags.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLViewConvertElement--input-mode-override"></a><h3>The <code class="literal">“input-mode-override”</code> property</h3>
<pre class="programlisting">  “input-mode-override”      <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/gst-plugins-base-libs-gstvideo.html#GstVideoMultiviewFramePacking"><span class="type">GstVideoMultiviewFramePacking</span></a></pre>
<p>Override any input information about multiview layout.</p>
<p>Flags: Read / Write</p>
<p>Default value: GST_VIDEO_MULTIVIEW_FRAME_PACKING_NONE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLViewConvertElement--output-flags-override"></a><h3>The <code class="literal">“output-flags-override”</code> property</h3>
<pre class="programlisting">  “output-flags-override”    <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/gst-plugins-base-libs-gstvideo.html#GstVideoMultiviewFlags"><span class="type">GstVideoMultiviewFlags</span></a></pre>
<p>Override automatic negotiation for output multiview layout flags.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLViewConvertElement--output-mode-override"></a><h3>The <code class="literal">“output-mode-override”</code> property</h3>
<pre class="programlisting">  “output-mode-override”     <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/gst-plugins-base-libs-gstvideo.html#GstVideoMultiviewMode"><span class="type">GstVideoMultiviewMode</span></a></pre>
<p>Override automatic output mode selection for multiview layout.</p>
<p>Flags: Read / Write</p>
<p>Default value: GST_VIDEO_MULTIVIEW_MODE_NONE</p>
</div>
</div>
</div>
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