docs/plugins/html/gst-plugins-good-plugins-vertigotv.html

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  20 <th width="100%" align="center">GStreamer Good Plugins 0.10 Plugins Reference Manual</th>
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  24 <a href="#gst-plugins-good-plugins-vertigotv.synopsis" class="shortcut">Top</a>
  25                    |
  26                   <a href="#gst-plugins-good-plugins-vertigotv.description" class="shortcut">Description</a>
  27                    |
  28                   <a href="#gst-plugins-good-plugins-vertigotv.object-hierarchy" class="shortcut">Object Hierarchy</a>
  29                    |
  30                   <a href="#gst-plugins-good-plugins-vertigotv.properties" class="shortcut">Properties</a>
  31                    |
  32                   <a href="#gst-plugins-good-plugins-vertigotv.signals" class="shortcut">Signals</a>
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  35 <div class="refentry">
  36 <a name="gst-plugins-good-plugins-vertigotv"></a><div class="titlepage"></div>
  37 <div class="refnamediv"><table width="100%"><tr>
  38 <td valign="top">
  39 <h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-vertigotv.top_of_page"></a>vertigotv</span></h2>
  40 <p>vertigotv — A loopback alpha blending effector with rotating and scaling</p>
  41 </td>
  42 <td valign="top" align="right"></td>
  43 </tr></table></div>
  44 <div class="refsynopsisdiv">
  45 <a name="gst-plugins-good-plugins-vertigotv.synopsis"></a><h2>Synopsis</h2>
  46 <a name="GstVertigoTV"></a><pre class="synopsis">struct              <a class="link" href="gst-plugins-good-plugins-vertigotv.html#GstVertigoTV-struct" title="struct GstVertigoTV">GstVertigoTV</a>;
  47 </pre>
  48 </div>
  49 <div class="refsect1">
  50 <a name="gst-plugins-good-plugins-vertigotv.object-hierarchy"></a><h2>Object Hierarchy</h2>
  51 <pre class="synopsis">
  52   <a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a>
  53    +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstObject.html">GstObject</a>
  54          +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html">GstElement</a>
  55                +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-libs/html/GstBaseTransform.html">GstBaseTransform</a>
  56                      +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstvideofilter.html#GstVideoFilter">GstVideoFilter</a>
  57                            +----GstVertigoTV
  58 </pre>
  59 </div>
  60 <div class="refsect1">
  61 <a name="gst-plugins-good-plugins-vertigotv.properties"></a><h2>Properties</h2>
  62 <pre class="synopsis">
  63   "<a class="link" href="gst-plugins-good-plugins-vertigotv.html#GstVertigoTV--speed" title='The "speed" property'>speed</a>"                    <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a>                : Read / Write
  64   "<a class="link" href="gst-plugins-good-plugins-vertigotv.html#GstVertigoTV--zoom-speed" title='The "zoom-speed" property'>zoom-speed</a>"               <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a>                : Read / Write
  65 </pre>
  66 </div>
  67 <div class="refsect1">
  68 <a name="gst-plugins-good-plugins-vertigotv.signals"></a><h2>Signals</h2>
  69 <pre class="synopsis">
  70   "<a class="link" href="gst-plugins-good-plugins-vertigotv.html#GstVertigoTV-reset-parms" title='The "reset-parms" signal'>reset-parms</a>"                                    : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
  71 </pre>
  72 </div>
  73 <div class="refsect1">
  74 <a name="gst-plugins-good-plugins-vertigotv.description"></a><h2>Description</h2>
  75 <p>
  76 VertigoTV is a loopback alpha blending effector with rotating and scaling.
  77 </p>
  78 <p>
  79 </p>
  80 <div class="refsect2">
  81 <a name="idp21870176"></a><h3>Example launch line</h3>
  82 <div class="informalexample">
  83   <table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
  84     <tbody>
  85       <tr>
  86         <td class="listing_lines" align="right"><pre>1</pre></td>
  87         <td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch <span class="gtkdoc opt">-</span>v videotestsrc <span class="gtkdoc opt">!</span> vertigotv <span class="gtkdoc opt">!</span> ffmpegcolorspace <span class="gtkdoc opt">!</span> autovideosink</pre></td>
  88       </tr>
  89     </tbody>
  90   </table>
  91 </div>
  92  This pipeline shows the effect of vertigotv on a test stream.
  93 </div>
  94 <p>
  95 </p>
  96 <div class="refsynopsisdiv">
  97 <h2>Synopsis</h2>
  98 <div class="refsect2">
  99 <a name="idp19348160"></a><h3>Element Information</h3>
 100 <div class="variablelist"><table border="0">
 101 <col align="left" valign="top">
 102 <tbody>
 103 <tr>
 104 <td><p><span class="term">plugin</span></p></td>
 105 <td>
 106             <a class="link" href="gst-plugins-good-plugins-plugin-effectv.html#plugin-effectv">effectv</a>
 107           </td>
 108 </tr>
 109 <tr>
 110 <td><p><span class="term">author</span></p></td>
 111 <td>Wim Taymans &lt;wim.taymans@chello.be&gt;</td>
 112 </tr>
 113 <tr>
 114 <td><p><span class="term">class</span></p></td>
 115 <td>Filter/Effect/Video</td>
 116 </tr>
 117 </tbody>
 118 </table></div>
 119 </div>
 120 <hr>
 121 <div class="refsect2">
 122 <a name="idp18088160"></a><h3>Element Pads</h3>
 123 <div class="variablelist"><table border="0">
 124 <col align="left" valign="top">
 125 <tbody>
 126 <tr>
 127 <td><p><span class="term">name</span></p></td>
 128 <td>sink</td>
 129 </tr>
 130 <tr>
 131 <td><p><span class="term">direction</span></p></td>
 132 <td>sink</td>
 133 </tr>
 134 <tr>
 135 <td><p><span class="term">presence</span></p></td>
 136 <td>always</td>
 137 </tr>
 138 <tr>
 139 <td><p><span class="term">details</span></p></td>
 140 <td>video/x-raw-rgb, bpp=(int)32, depth=(int)24, endianness=(int)4321, red_mask=(int)-16777216, green_mask=(int)16711680, blue_mask=(int)65280, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 141 </tr>
 142 <tr>
 143 <td><p><span class="term"></span></p></td>
 144 <td> video/x-raw-rgb, bpp=(int)32, depth=(int)24, endianness=(int)4321, red_mask=(int)65280, green_mask=(int)16711680, blue_mask=(int)-16777216, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 145 </tr>
 146 </tbody>
 147 </table></div>
 148 <div class="variablelist"><table border="0">
 149 <col align="left" valign="top">
 150 <tbody>
 151 <tr>
 152 <td><p><span class="term">name</span></p></td>
 153 <td>src</td>
 154 </tr>
 155 <tr>
 156 <td><p><span class="term">direction</span></p></td>
 157 <td>source</td>
 158 </tr>
 159 <tr>
 160 <td><p><span class="term">presence</span></p></td>
 161 <td>always</td>
 162 </tr>
 163 <tr>
 164 <td><p><span class="term">details</span></p></td>
 165 <td>video/x-raw-rgb, bpp=(int)32, depth=(int)24, endianness=(int)4321, red_mask=(int)-16777216, green_mask=(int)16711680, blue_mask=(int)65280, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 166 </tr>
 167 <tr>
 168 <td><p><span class="term"></span></p></td>
 169 <td> video/x-raw-rgb, bpp=(int)32, depth=(int)24, endianness=(int)4321, red_mask=(int)65280, green_mask=(int)16711680, blue_mask=(int)-16777216, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 170 </tr>
 171 </tbody>
 172 </table></div>
 173 </div>
 174 </div>
 175 <p>
 176 </p>
 177 </div>
 178 <div class="refsect1">
 179 <a name="gst-plugins-good-plugins-vertigotv.details"></a><h2>Details</h2>
 180 <div class="refsect2">
 181 <a name="GstVertigoTV-struct"></a><h3>struct GstVertigoTV</h3>
 182 <pre class="programlisting">struct GstVertigoTV;</pre>
 183 <p>
 184 </p>
 185 </div>
 186 </div>
 187 <div class="refsect1">
 188 <a name="gst-plugins-good-plugins-vertigotv.property-details"></a><h2>Property Details</h2>
 189 <div class="refsect2">
 190 <a name="GstVertigoTV--speed"></a><h3>The <code class="literal">"speed"</code> property</h3>
 191 <pre class="programlisting">  "speed"                    <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a>                : Read / Write</pre>
 192 <p>Control the speed of movement.</p>
 193 <p>Allowed values: [0.01,100]</p>
 194 <p>Default value: 0.02</p>
 195 </div>
 196 <hr>
 197 <div class="refsect2">
 198 <a name="GstVertigoTV--zoom-speed"></a><h3>The <code class="literal">"zoom-speed"</code> property</h3>
 199 <pre class="programlisting">  "zoom-speed"               <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a>                : Read / Write</pre>
 200 <p>Control the rate of zooming.</p>
 201 <p>Allowed values: [1.01,1.1]</p>
 202 <p>Default value: 1.01</p>
 203 </div>
 204 </div>
 205 <div class="refsect1">
 206 <a name="gst-plugins-good-plugins-vertigotv.signal-details"></a><h2>Signal Details</h2>
 207 <div class="refsect2">
 208 <a name="GstVertigoTV-reset-parms"></a><h3>The <code class="literal">"reset-parms"</code> signal</h3>
 209 <pre class="programlisting"><span class="returnvalue">void</span>                user_function                      (<a class="link" href="gst-plugins-good-plugins-vertigotv.html#GstVertigoTV"><span class="type">GstVertigoTV</span></a> *gstvertigotv,
 210                                                         <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>      user_data)         : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
 211 <p>
 212 </p>
 213 <div class="variablelist"><table border="0">
 214 <col align="left" valign="top">
 215 <tbody>
 216 <tr>
 217 <td><p><span class="term"><em class="parameter"><code>gstvertigotv</code></em> :</span></p></td>
 218 <td>the object which received the signal.</td>
 219 </tr>
 220 <tr>
 221 <td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
 222 <td>user data set when the signal handler was connected.</td>
 223 </tr>
 224 </tbody>
 225 </table></div>
 226 </div>
 227 </div>
 228 </div>
 229 <div class="footer">
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