docs/plugins/html/gst-plugins-good-plugins-alphacolor.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-alphacolor.synopsis" class="shortcut">Top</a>
  25                    |
  26                   <a href="#gst-plugins-good-plugins-alphacolor.description" class="shortcut">Description</a>
  27                    |
  28                   <a href="#gst-plugins-good-plugins-alphacolor.object-hierarchy" class="shortcut">Object Hierarchy</a>
  29 </td></tr>
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  31 <div class="refentry">
  32 <a name="gst-plugins-good-plugins-alphacolor"></a><div class="titlepage"></div>
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  34 <td valign="top">
  35 <h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-alphacolor.top_of_page"></a>alphacolor</span></h2>
  36 <p>alphacolor — ARGB from/to AYUV colorspace conversion preserving the alpha channel</p>
  37 </td>
  38 <td valign="top" align="right"></td>
  39 </tr></table></div>
  40 <div class="refsynopsisdiv">
  41 <a name="gst-plugins-good-plugins-alphacolor.synopsis"></a><h2>Synopsis</h2>
  42 <a name="GstAlphaColor"></a><pre class="synopsis">struct              <a class="link" href="gst-plugins-good-plugins-alphacolor.html#GstAlphaColor-struct" title="struct GstAlphaColor">GstAlphaColor</a>;
  43 </pre>
  44 </div>
  45 <div class="refsect1">
  46 <a name="gst-plugins-good-plugins-alphacolor.object-hierarchy"></a><h2>Object Hierarchy</h2>
  47 <pre class="synopsis">
  48   <a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a>
  49    +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstObject.html">GstObject</a>
  50          +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html">GstElement</a>
  51                +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-libs/html/GstBaseTransform.html">GstBaseTransform</a>
  52                      +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstvideofilter.html#GstVideoFilter">GstVideoFilter</a>
  53                            +----GstAlphaColor
  54 </pre>
  55 </div>
  56 <div class="refsect1">
  57 <a name="gst-plugins-good-plugins-alphacolor.description"></a><h2>Description</h2>
  58 <p>
  59 The alphacolor element does memory-efficient (in-place) colourspace
  60 conversion from RGBA to AYUV or AYUV to RGBA while preserving the
  61 alpha channel.
  62 </p>
  63 <p>
  64 Sample pipeline:
  65 </p>
  66 <div class="informalexample">
  67   <table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
  68     <tbody>
  69       <tr>
  70         <td class="listing_lines" align="right"><pre>1
  71 2</pre></td>
  72         <td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch videotestsrc <span class="gtkdoc opt">!</span> <span class="string">&quot;video/x-raw-yuv,format=(fourcc)AYUV&quot;</span> <span class="gtkdoc opt">!</span> \
  73   alphacolor <span class="gtkdoc opt">!</span> <span class="string">&quot;video/x-raw-rgb&quot;</span> <span class="gtkdoc opt">!</span> ffmpegcolorspace <span class="gtkdoc opt">!</span> autovideosink</pre></td>
  74       </tr>
  75     </tbody>
  76   </table>
  77 </div>
  78
  79 <p>
  80 </p>
  81 <div class="refsynopsisdiv">
  82 <h2>Synopsis</h2>
  83 <div class="refsect2">
  84 <a name="idp6334144"></a><h3>Element Information</h3>
  85 <div class="variablelist"><table border="0">
  86 <col align="left" valign="top">
  87 <tbody>
  88 <tr>
  89 <td><p><span class="term">plugin</span></p></td>
  90 <td>
  91             <a class="link" href="gst-plugins-good-plugins-plugin-alphacolor.html#plugin-alphacolor">alphacolor</a>
  92           </td>
  93 </tr>
  94 <tr>
  95 <td><p><span class="term">author</span></p></td>
  96 <td>Wim Taymans &lt;wim@fluendo.com&gt;</td>
  97 </tr>
  98 <tr>
  99 <td><p><span class="term">class</span></p></td>
 100 <td>Filter/Converter/Video</td>
 101 </tr>
 102 </tbody>
 103 </table></div>
 104 </div>
 105 <hr>
 106 <div class="refsect2">
 107 <a name="idp6281008"></a><h3>Element Pads</h3>
 108 <div class="variablelist"><table border="0">
 109 <col align="left" valign="top">
 110 <tbody>
 111 <tr>
 112 <td><p><span class="term">name</span></p></td>
 113 <td>sink</td>
 114 </tr>
 115 <tr>
 116 <td><p><span class="term">direction</span></p></td>
 117 <td>sink</td>
 118 </tr>
 119 <tr>
 120 <td><p><span class="term">presence</span></p></td>
 121 <td>always</td>
 122 </tr>
 123 <tr>
 124 <td><p><span class="term">details</span></p></td>
 125 <td>video/x-raw-rgb, bpp=(int)32, depth=(int)32, endianness=(int)4321, red_mask=(int)-16777216, green_mask=(int)16711680, blue_mask=(int)65280, alpha_mask=(int)255, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 126 </tr>
 127 <tr>
 128 <td><p><span class="term"></span></p></td>
 129 <td> video/x-raw-rgb, bpp=(int)32, depth=(int)32, endianness=(int)4321, red_mask=(int)65280, green_mask=(int)16711680, blue_mask=(int)-16777216, alpha_mask=(int)255, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 130 </tr>
 131 <tr>
 132 <td><p><span class="term"></span></p></td>
 133 <td> video/x-raw-rgb, bpp=(int)32, depth=(int)32, endianness=(int)4321, red_mask=(int)16711680, green_mask=(int)65280, blue_mask=(int)255, alpha_mask=(int)-16777216, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 134 </tr>
 135 <tr>
 136 <td><p><span class="term"></span></p></td>
 137 <td> video/x-raw-rgb, bpp=(int)32, depth=(int)32, endianness=(int)4321, red_mask=(int)255, green_mask=(int)65280, blue_mask=(int)16711680, alpha_mask=(int)-16777216, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 138 </tr>
 139 <tr>
 140 <td><p><span class="term"></span></p></td>
 141 <td> video/x-raw-yuv, format=(fourcc)AYUV, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 142 </tr>
 143 </tbody>
 144 </table></div>
 145 <div class="variablelist"><table border="0">
 146 <col align="left" valign="top">
 147 <tbody>
 148 <tr>
 149 <td><p><span class="term">name</span></p></td>
 150 <td>src</td>
 151 </tr>
 152 <tr>
 153 <td><p><span class="term">direction</span></p></td>
 154 <td>source</td>
 155 </tr>
 156 <tr>
 157 <td><p><span class="term">presence</span></p></td>
 158 <td>always</td>
 159 </tr>
 160 <tr>
 161 <td><p><span class="term">details</span></p></td>
 162 <td>video/x-raw-rgb, bpp=(int)32, depth=(int)32, endianness=(int)4321, red_mask=(int)-16777216, green_mask=(int)16711680, blue_mask=(int)65280, alpha_mask=(int)255, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 163 </tr>
 164 <tr>
 165 <td><p><span class="term"></span></p></td>
 166 <td> video/x-raw-rgb, bpp=(int)32, depth=(int)32, endianness=(int)4321, red_mask=(int)65280, green_mask=(int)16711680, blue_mask=(int)-16777216, alpha_mask=(int)255, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 167 </tr>
 168 <tr>
 169 <td><p><span class="term"></span></p></td>
 170 <td> video/x-raw-rgb, bpp=(int)32, depth=(int)32, endianness=(int)4321, red_mask=(int)16711680, green_mask=(int)65280, blue_mask=(int)255, alpha_mask=(int)-16777216, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 171 </tr>
 172 <tr>
 173 <td><p><span class="term"></span></p></td>
 174 <td> video/x-raw-rgb, bpp=(int)32, depth=(int)32, endianness=(int)4321, red_mask=(int)255, green_mask=(int)65280, blue_mask=(int)16711680, alpha_mask=(int)-16777216, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 175 </tr>
 176 <tr>
 177 <td><p><span class="term"></span></p></td>
 178 <td> video/x-raw-yuv, format=(fourcc)AYUV, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 179 </tr>
 180 </tbody>
 181 </table></div>
 182 </div>
 183 </div>
 184 <p>
 185 </p>
 186 </div>
 187 <div class="refsect1">
 188 <a name="gst-plugins-good-plugins-alphacolor.details"></a><h2>Details</h2>
 189 <div class="refsect2">
 190 <a name="GstAlphaColor-struct"></a><h3>struct GstAlphaColor</h3>
 191 <pre class="programlisting">struct GstAlphaColor;</pre>
 192 <p>
 193 </p>
 194 </div>
 195 </div>
 196 </div>
 197 <div class="footer">
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