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

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  24 <a href="#gst-plugins-good-plugins-jpegdec.synopsis" class="shortcut">Top</a>
  25                    |
  26                   <a href="#gst-plugins-good-plugins-jpegdec.description" class="shortcut">Description</a>
  27                    |
  28                   <a href="#gst-plugins-good-plugins-jpegdec.object-hierarchy" class="shortcut">Object Hierarchy</a>
  29                    |
  30                   <a href="#gst-plugins-good-plugins-jpegdec.properties" class="shortcut">Properties</a>
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  33 <div class="refentry">
  34 <a name="gst-plugins-good-plugins-jpegdec"></a><div class="titlepage"></div>
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  36 <td valign="top">
  37 <h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-jpegdec.top_of_page"></a>jpegdec</span></h2>
  38 <p>jpegdec — Decode images from JPEG format</p>
  39 </td>
  40 <td valign="top" align="right"></td>
  41 </tr></table></div>
  42 <div class="refsynopsisdiv">
  43 <a name="gst-plugins-good-plugins-jpegdec.synopsis"></a><h2>Synopsis</h2>
  44 <a name="GstJpegDec"></a><pre class="synopsis">struct              <a class="link" href="gst-plugins-good-plugins-jpegdec.html#GstJpegDec-struct" title="struct GstJpegDec">GstJpegDec</a>;
  45 </pre>
  46 </div>
  47 <div class="refsect1">
  48 <a name="gst-plugins-good-plugins-jpegdec.object-hierarchy"></a><h2>Object Hierarchy</h2>
  49 <pre class="synopsis">
  50   <a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a>
  51    +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstObject.html">GstObject</a>
  52          +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html">GstElement</a>
  53                +----GstJpegDec
  54 </pre>
  55 </div>
  56 <div class="refsect1">
  57 <a name="gst-plugins-good-plugins-jpegdec.properties"></a><h2>Properties</h2>
  58 <pre class="synopsis">
  59   "<a class="link" href="gst-plugins-good-plugins-jpegdec.html#GstJpegDec--idct-method" title='The "idct-method" property'>idct-method</a>"              <span class="type">GstIDCTMethod</span>         : Read / Write
  60   "<a class="link" href="gst-plugins-good-plugins-jpegdec.html#GstJpegDec--max-errors" title='The "max-errors" property'>max-errors</a>"               <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a>                  : Read / Write
  61 </pre>
  62 </div>
  63 <div class="refsect1">
  64 <a name="gst-plugins-good-plugins-jpegdec.description"></a><h2>Description</h2>
  65 <p>
  66 Decodes jpeg images.
  67 </p>
  68 <p>
  69 </p>
  70 <div class="refsect2">
  71 <a name="idp12042240"></a><h3>Example launch line</h3>
  72 <div class="informalexample">
  73   <table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
  74     <tbody>
  75       <tr>
  76         <td class="listing_lines" align="right"><pre>1</pre></td>
  77         <td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch <span class="gtkdoc opt">-</span>v v4l2src <span class="gtkdoc opt">!</span> jpegdec <span class="gtkdoc opt">!</span> ffmpegcolorspace <span class="gtkdoc opt">!</span> xvimagesink</pre></td>
  78       </tr>
  79     </tbody>
  80   </table>
  81 </div>
  82  The above pipeline reads a motion JPEG stream from a v4l2 camera
  83 and renders it to the screen.
  84 </div>
  85 <p>
  86 </p>
  87 <div class="refsynopsisdiv">
  88 <h2>Synopsis</h2>
  89 <div class="refsect2">
  90 <a name="idp16373360"></a><h3>Element Information</h3>
  91 <div class="variablelist"><table border="0">
  92 <col align="left" valign="top">
  93 <tbody>
  94 <tr>
  95 <td><p><span class="term">plugin</span></p></td>
  96 <td>
  97             <a class="link" href="gst-plugins-good-plugins-plugin-jpeg.html#plugin-jpeg">jpeg</a>
  98           </td>
  99 </tr>
 100 <tr>
 101 <td><p><span class="term">author</span></p></td>
 102 <td>Wim Taymans &lt;wim@fluendo.com&gt;</td>
 103 </tr>
 104 <tr>
 105 <td><p><span class="term">class</span></p></td>
 106 <td>Codec/Decoder/Image</td>
 107 </tr>
 108 </tbody>
 109 </table></div>
 110 </div>
 111 <hr>
 112 <div class="refsect2">
 113 <a name="idp12076384"></a><h3>Element Pads</h3>
 114 <div class="variablelist"><table border="0">
 115 <col align="left" valign="top">
 116 <tbody>
 117 <tr>
 118 <td><p><span class="term">name</span></p></td>
 119 <td>sink</td>
 120 </tr>
 121 <tr>
 122 <td><p><span class="term">direction</span></p></td>
 123 <td>sink</td>
 124 </tr>
 125 <tr>
 126 <td><p><span class="term">presence</span></p></td>
 127 <td>always</td>
 128 </tr>
 129 <tr>
 130 <td><p><span class="term">details</span></p></td>
 131 <td>image/jpeg, width=(int)[ 1, 65535 ], height=(int)[ 1, 65535 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 132 </tr>
 133 </tbody>
 134 </table></div>
 135 <div class="variablelist"><table border="0">
 136 <col align="left" valign="top">
 137 <tbody>
 138 <tr>
 139 <td><p><span class="term">name</span></p></td>
 140 <td>src</td>
 141 </tr>
 142 <tr>
 143 <td><p><span class="term">direction</span></p></td>
 144 <td>source</td>
 145 </tr>
 146 <tr>
 147 <td><p><span class="term">presence</span></p></td>
 148 <td>always</td>
 149 </tr>
 150 <tr>
 151 <td><p><span class="term">details</span></p></td>
 152 <td>video/x-raw-yuv, format=(fourcc)I420, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 153 </tr>
 154 <tr>
 155 <td><p><span class="term"></span></p></td>
 156 <td> video/x-raw-rgb, bpp=(int)24, depth=(int)24, endianness=(int)4321, red_mask=(int)16711680, green_mask=(int)65280, blue_mask=(int)255, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 157 </tr>
 158 <tr>
 159 <td><p><span class="term"></span></p></td>
 160 <td> video/x-raw-rgb, bpp=(int)24, depth=(int)24, endianness=(int)4321, red_mask=(int)255, green_mask=(int)65280, blue_mask=(int)16711680, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 161 </tr>
 162 <tr>
 163 <td><p><span class="term"></span></p></td>
 164 <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>
 165 </tr>
 166 <tr>
 167 <td><p><span class="term"></span></p></td>
 168 <td> video/x-raw-rgb, bpp=(int)32, depth=(int)24, endianness=(int)4321, red_mask=(int)16711680, green_mask=(int)65280, blue_mask=(int)255, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 169 </tr>
 170 <tr>
 171 <td><p><span class="term"></span></p></td>
 172 <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>
 173 </tr>
 174 <tr>
 175 <td><p><span class="term"></span></p></td>
 176 <td> video/x-raw-rgb, bpp=(int)32, depth=(int)24, endianness=(int)4321, red_mask=(int)255, green_mask=(int)65280, blue_mask=(int)16711680, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 177 </tr>
 178 <tr>
 179 <td><p><span class="term"></span></p></td>
 180 <td> video/x-raw-gray, bpp=(int)8, depth=(int)8, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 181 </tr>
 182 </tbody>
 183 </table></div>
 184 </div>
 185 </div>
 186 <p>
 187 </p>
 188 </div>
 189 <div class="refsect1">
 190 <a name="gst-plugins-good-plugins-jpegdec.details"></a><h2>Details</h2>
 191 <div class="refsect2">
 192 <a name="GstJpegDec-struct"></a><h3>struct GstJpegDec</h3>
 193 <pre class="programlisting">struct GstJpegDec;</pre>
 194 <p>
 195 </p>
 196 </div>
 197 </div>
 198 <div class="refsect1">
 199 <a name="gst-plugins-good-plugins-jpegdec.property-details"></a><h2>Property Details</h2>
 200 <div class="refsect2">
 201 <a name="GstJpegDec--idct-method"></a><h3>The <code class="literal">"idct-method"</code> property</h3>
 202 <pre class="programlisting">  "idct-method"              <span class="type">GstIDCTMethod</span>         : Read / Write</pre>
 203 <p>The IDCT algorithm to use.</p>
 204 <p>Default value: Faster, less accurate integer method</p>
 205 </div>
 206 <hr>
 207 <div class="refsect2">
 208 <a name="GstJpegDec--max-errors"></a><h3>The <code class="literal">"max-errors"</code> property</h3>
 209 <pre class="programlisting">  "max-errors"               <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a>                  : Read / Write</pre>
 210 <p>
 211 Error out after receiving N consecutive decoding errors
 212 (-1 = never error out, 0 = automatic, 1 = fail on first error, etc.)
 213 </p>
 214 <p>Allowed values: &gt;= G_MAXULONG</p>
 215 <p>Default value: 0</p>
 216 <p class="since">Since 0.10.27</p>
 217 </div>
 218 </div>
 219 </div>
 220 <div class="footer">
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