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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
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<title>glstereomix: GStreamer Bad Plugins 1.0 Plugins Reference Manual</title>
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                  <a href="#gst-plugins-bad-plugins-glstereomix.description" class="shortcut">Description</a></span><span id="nav_hierarchy">  <span class="dim">|</span> 
                  <a href="#gst-plugins-bad-plugins-glstereomix.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_interfaces">  <span class="dim">|</span> 
                  <a href="#gst-plugins-bad-plugins-glstereomix.implemented-interfaces" class="shortcut">Implemented Interfaces</a></span><span id="nav_properties">  <span class="dim">|</span> 
                  <a href="#gst-plugins-bad-plugins-glstereomix.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>
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</tr></table>
<div class="refentry">
<a name="gst-plugins-bad-plugins-glstereomix"></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-glstereomix.top_of_page"></a>glstereomix</span></h2>
<p>glstereomix</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glstereomix.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-glstereomix.html#GstGLStereoMix--downmix-mode" title="The “downmix-mode” property">downmix-mode</a></td>
<td class="property_flags">Read / Write</td>
</tr></tbody>
</table></div>
</div>
<a name="GstGLStereoMix"></a><div class="refsect1">
<a name="gst-plugins-bad-plugins-glstereomix.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-glstereomix.html#GstGLStereoMix-struct" title="struct GstGLStereoMix">GstGLStereoMix</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glstereomix.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> GstAggregator
                    <span class="lineart">╰──</span> GstVideoAggregator
                        <span class="lineart">╰──</span> GstGLBaseMixer
                            <span class="lineart">╰──</span> GstGLMixer
                                <span class="lineart">╰──</span> GstGLStereoMix
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glstereomix.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GstGLStereoMix implements
 <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstChildProxy.html#GstChildProxy-struct">GstChildProxy</a>.</p>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glstereomix.description"></a><h2>Description</h2>
<p>Combine 2 input streams to produce a stereoscopic output
stream. Input views are taken from the left pad and right pad
respectively, and mixed according to their timelines.</p>
<p>If either input stream is stereoscopic, the approproriate view
(left or right) is taken from each stream and placed into the output.</p>
<p>The multiview representation on the output is chosen according to
the downstream caps.</p>
<div class="refsect2">
<a name="id-1.2.80.8.5"></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
2
3
4
5
6</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> <span class="gtkdoc opt">-</span>v videotestsrc pattern<span class="gtkdoc opt">=</span>ball name<span class="gtkdoc opt">=</span>left \
    videotestsrc name<span class="gtkdoc opt">=</span>right glstereomix name<span class="gtkdoc opt">=</span>mix \
    left<span class="gtkdoc opt">. !</span> vid<span class="gtkdoc opt">/</span>x<span class="gtkdoc opt">-</span>raw<span class="gtkdoc opt">,</span>width<span class="gtkdoc opt">=</span><span class="number">640</span><span class="gtkdoc opt">,</span>height<span class="gtkdoc opt">=</span><span class="number">480</span><span class="gtkdoc opt">!</span> glupload <span class="gtkdoc opt">!</span> mix<span class="gtkdoc opt">.</span>  \
    right<span class="gtkdoc opt">. !</span> video<span class="gtkdoc opt">/</span>x<span class="gtkdoc opt">-</span>raw<span class="gtkdoc opt">,</span>width<span class="gtkdoc opt">=</span><span class="number">640</span><span class="gtkdoc opt">,</span>height<span class="gtkdoc opt">=</span><span class="number">480</span><span class="gtkdoc opt">!</span> glupload <span class="gtkdoc opt">!</span> mix<span class="gtkdoc opt">.</span>  \
    mix<span class="gtkdoc opt">. !</span> video<span class="gtkdoc opt">/</span>x<span class="gtkdoc opt">-</span>raw<span class="string">'(memory:GLMemory)'</span><span class="gtkdoc opt">,</span>multiview<span class="gtkdoc opt">-</span>mode<span class="gtkdoc opt">=</span>side<span class="gtkdoc opt">-</span>by<span class="gtkdoc opt">-</span>side <span class="gtkdoc opt">!</span> \
    queue <span class="gtkdoc opt">!</span> glimagesink output<span class="gtkdoc opt">-</span>multiview<span class="gtkdoc opt">-</span>mode<span class="gtkdoc opt">=</span>side<span class="gtkdoc opt">-</span>by<span class="gtkdoc opt">-</span>side</pre></td>
      </tr>
    </tbody>
  </table>
</div>
 Mix 2 different videotestsrc patterns into a side-by-side stereo image and display it.
<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
5
6
7
8</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> <span class="gtkdoc opt">-</span>ev v4l2src name<span class="gtkdoc opt">=</span>left \
    videotestsrc name<span class="gtkdoc opt">=</span>right \
    glstereomix name<span class="gtkdoc opt">=</span>mix \
    left<span class="gtkdoc opt">. !</span> video<span class="gtkdoc opt">/</span>x<span class="gtkdoc opt">-</span>raw<span class="gtkdoc opt">,</span>width<span class="gtkdoc opt">=</span><span class="number">640</span><span class="gtkdoc opt">,</span>height<span class="gtkdoc opt">=</span><span class="number">480</span> <span class="gtkdoc opt">!</span> glupload <span class="gtkdoc opt">!</span> glcolorconvert <span class="gtkdoc opt">!</span> mix<span class="gtkdoc opt">.</span>  \
    right<span class="gtkdoc opt">. !</span> video<span class="gtkdoc opt">/</span>x<span class="gtkdoc opt">-</span>raw<span class="gtkdoc opt">,</span>width<span class="gtkdoc opt">=</span><span class="number">640</span><span class="gtkdoc opt">,</span>height<span class="gtkdoc opt">=</span><span class="number">480</span> <span class="gtkdoc opt">!</span> glupload <span class="gtkdoc opt">!</span> mix<span class="gtkdoc opt">.</span>  \
    mix<span class="gtkdoc opt">. !</span> video<span class="gtkdoc opt">/</span>x<span class="gtkdoc opt">-</span>raw<span class="string">'(memory:GLMemory)'</span><span class="gtkdoc opt">,</span>multiview<span class="gtkdoc opt">-</span>mode<span class="gtkdoc opt">=</span>top<span class="gtkdoc opt">-</span>bottom <span class="gtkdoc opt">!</span> \
    glcolorconvert <span class="gtkdoc opt">!</span> gldownload <span class="gtkdoc opt">!</span> queue <span class="gtkdoc opt">!</span> x264enc <span class="gtkdoc opt">!</span> h264parse <span class="gtkdoc opt">!</span> \
    mp4mux <span class="gtkdoc opt">!</span> progressreport <span class="gtkdoc opt">!</span> filesink location<span class="gtkdoc opt">=</span>output<span class="gtkdoc opt">.</span>mp4</pre></td>
      </tr>
    </tbody>
  </table>
</div>
 Mix the input from a camera to the left view, and videotestsrc to the right view,
   and encode as a top-bottom frame packed H.264 video.
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.80.8.6.1"></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;</td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Filter/Effect/Video</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.80.8.6.2"></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_%u</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>request</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(meta:GstVideoGLTextureUploadMeta), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw, format=(string){ RGBA, RGB, RGBx, BGR, BGRx, BGRA, xRGB, xBGR, ARGB, ABGR, Y444, I420, YV12, Y42B, Y41B, NV12, NV21, YUY2, UYVY, AYUV, GRAY8, GRAY16_LE, GRAY16_BE, RGB16, BGR16 }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</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(meta:GstVideoGLTextureUploadMeta), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw, format=(string){ RGBA, RGB, RGBx, BGR, BGRx, BGRA, xRGB, xBGR, ARGB, ABGR, Y444, I420, YV12, Y42B, Y41B, NV12, NV21, YUY2, UYVY, AYUV, GRAY8, GRAY16_LE, GRAY16_BE, RGB16, BGR16 }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glstereomix.functions_details"></a><h2>Functions</h2>
<p></p>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glstereomix.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstGLStereoMix-struct"></a><h3>struct GstGLStereoMix</h3>
<pre class="programlisting">struct GstGLStereoMix;</pre>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glstereomix.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstGLStereoMix--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>
</div>
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