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

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  24 <a href="#gst-plugins-good-plugins-jpegenc.synopsis" class="shortcut">Top</a>
  25                    |
  26                   <a href="#gst-plugins-good-plugins-jpegenc.description" class="shortcut">Description</a>
  27                    |
  28                   <a href="#gst-plugins-good-plugins-jpegenc.object-hierarchy" class="shortcut">Object Hierarchy</a>
  29                    |
  30                   <a href="#gst-plugins-good-plugins-jpegenc.properties" class="shortcut">Properties</a>
  31                    |
  32                   <a href="#gst-plugins-good-plugins-jpegenc.signals" class="shortcut">Signals</a>
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  35 <div class="refentry">
  36 <a name="gst-plugins-good-plugins-jpegenc"></a><div class="titlepage"></div>
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  39 <h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-jpegenc.top_of_page"></a>jpegenc</span></h2>
  40 <p>jpegenc — Encode images in JPEG format</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-jpegenc.synopsis"></a><h2>Synopsis</h2>
  46 <a name="GstJpegEnc"></a><pre class="synopsis">struct              <a class="link" href="gst-plugins-good-plugins-jpegenc.html#GstJpegEnc-struct" title="struct GstJpegEnc">GstJpegEnc</a>;
  47 </pre>
  48 </div>
  49 <div class="refsect1">
  50 <a name="gst-plugins-good-plugins-jpegenc.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                +----GstJpegEnc
  56 </pre>
  57 </div>
  58 <div class="refsect1">
  59 <a name="gst-plugins-good-plugins-jpegenc.properties"></a><h2>Properties</h2>
  60 <pre class="synopsis">
  61   "<a class="link" href="gst-plugins-good-plugins-jpegenc.html#GstJpegEnc--quality" title='The "quality" property'>quality</a>"                  <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a>                  : Read / Write
  62   "<a class="link" href="gst-plugins-good-plugins-jpegenc.html#GstJpegEnc--idct-method" title='The "idct-method" property'>idct-method</a>"              <span class="type">GstIDCTMethod</span>         : Read / Write
  63 </pre>
  64 </div>
  65 <div class="refsect1">
  66 <a name="gst-plugins-good-plugins-jpegenc.signals"></a><h2>Signals</h2>
  67 <pre class="synopsis">
  68   "<a class="link" href="gst-plugins-good-plugins-jpegenc.html#GstJpegEnc-frame-encoded" title='The "frame-encoded" signal'>frame-encoded</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>
  69 </pre>
  70 </div>
  71 <div class="refsect1">
  72 <a name="gst-plugins-good-plugins-jpegenc.description"></a><h2>Description</h2>
  73 <div class="refsynopsisdiv">
  74 <h2>Synopsis</h2>
  75 <div class="refsect2">
  76 <a name="idp11172768"></a><h3>Element Information</h3>
  77 <div class="variablelist"><table border="0">
  78 <col align="left" valign="top">
  79 <tbody>
  80 <tr>
  81 <td><p><span class="term">plugin</span></p></td>
  82 <td>
  83             <a class="link" href="gst-plugins-good-plugins-plugin-jpeg.html#plugin-jpeg">jpeg</a>
  84           </td>
  85 </tr>
  86 <tr>
  87 <td><p><span class="term">author</span></p></td>
  88 <td>Wim Taymans &lt;wim.taymans@tvd.be&gt;</td>
  89 </tr>
  90 <tr>
  91 <td><p><span class="term">class</span></p></td>
  92 <td>Codec/Encoder/Image</td>
  93 </tr>
  94 </tbody>
  95 </table></div>
  96 </div>
  97 <hr>
  98 <div class="refsect2">
  99 <a name="idp13200816"></a><h3>Element Pads</h3>
 100 <div class="variablelist"><table border="0">
 101 <col align="left" valign="top">
 102 <tbody>
 103 <tr>
 104 <td><p><span class="term">name</span></p></td>
 105 <td>sink</td>
 106 </tr>
 107 <tr>
 108 <td><p><span class="term">direction</span></p></td>
 109 <td>sink</td>
 110 </tr>
 111 <tr>
 112 <td><p><span class="term">presence</span></p></td>
 113 <td>always</td>
 114 </tr>
 115 <tr>
 116 <td><p><span class="term">details</span></p></td>
 117 <td>video/x-raw-yuv, format=(fourcc){ I420, YV12, YUY2, UYVY, Y41B, Y42B, YVYU, Y444 }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 118 </tr>
 119 <tr>
 120 <td><p><span class="term"></span></p></td>
 121 <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>
 122 </tr>
 123 <tr>
 124 <td><p><span class="term"></span></p></td>
 125 <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>
 126 </tr>
 127 <tr>
 128 <td><p><span class="term"></span></p></td>
 129 <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>
 130 </tr>
 131 <tr>
 132 <td><p><span class="term"></span></p></td>
 133 <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>
 134 </tr>
 135 <tr>
 136 <td><p><span class="term"></span></p></td>
 137 <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>
 138 </tr>
 139 <tr>
 140 <td><p><span class="term"></span></p></td>
 141 <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>
 142 </tr>
 143 <tr>
 144 <td><p><span class="term"></span></p></td>
 145 <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>
 146 </tr>
 147 </tbody>
 148 </table></div>
 149 <div class="variablelist"><table border="0">
 150 <col align="left" valign="top">
 151 <tbody>
 152 <tr>
 153 <td><p><span class="term">name</span></p></td>
 154 <td>src</td>
 155 </tr>
 156 <tr>
 157 <td><p><span class="term">direction</span></p></td>
 158 <td>source</td>
 159 </tr>
 160 <tr>
 161 <td><p><span class="term">presence</span></p></td>
 162 <td>always</td>
 163 </tr>
 164 <tr>
 165 <td><p><span class="term">details</span></p></td>
 166 <td>image/jpeg, width=(int)[ 16, 65535 ], height=(int)[ 16, 65535 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
 167 </tr>
 168 </tbody>
 169 </table></div>
 170 </div>
 171 </div>
 172 <p>
 173 </p>
 174 </div>
 175 <div class="refsect1">
 176 <a name="gst-plugins-good-plugins-jpegenc.details"></a><h2>Details</h2>
 177 <div class="refsect2">
 178 <a name="GstJpegEnc-struct"></a><h3>struct GstJpegEnc</h3>
 179 <pre class="programlisting">struct GstJpegEnc;</pre>
 180 <p>
 181 </p>
 182 </div>
 183 </div>
 184 <div class="refsect1">
 185 <a name="gst-plugins-good-plugins-jpegenc.property-details"></a><h2>Property Details</h2>
 186 <div class="refsect2">
 187 <a name="GstJpegEnc--quality"></a><h3>The <code class="literal">"quality"</code> property</h3>
 188 <pre class="programlisting">  "quality"                  <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a>                  : Read / Write</pre>
 189 <p>Quality of encoding.</p>
 190 <p>Allowed values: [0,100]</p>
 191 <p>Default value: 85</p>
 192 </div>
 193 <hr>
 194 <div class="refsect2">
 195 <a name="GstJpegEnc--idct-method"></a><h3>The <code class="literal">"idct-method"</code> property</h3>
 196 <pre class="programlisting">  "idct-method"              <span class="type">GstIDCTMethod</span>         : Read / Write</pre>
 197 <p>The IDCT algorithm to use.</p>
 198 <p>Default value: Faster, less accurate integer method</p>
 199 </div>
 200 </div>
 201 <div class="refsect1">
 202 <a name="gst-plugins-good-plugins-jpegenc.signal-details"></a><h2>Signal Details</h2>
 203 <div class="refsect2">
 204 <a name="GstJpegEnc-frame-encoded"></a><h3>The <code class="literal">"frame-encoded"</code> signal</h3>
 205 <pre class="programlisting"><span class="returnvalue">void</span>                user_function                      (<a class="link" href="gst-plugins-good-plugins-jpegenc.html#GstJpegEnc"><span class="type">GstJpegEnc</span></a> *gstjpegenc,
 206                                                         <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>
 207 <p>
 208 </p>
 209 <div class="variablelist"><table border="0">
 210 <col align="left" valign="top">
 211 <tbody>
 212 <tr>
 213 <td><p><span class="term"><em class="parameter"><code>gstjpegenc</code></em> :</span></p></td>
 214 <td>the object which received the signal.</td>
 215 </tr>
 216 <tr>
 217 <td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
 218 <td>user data set when the signal handler was connected.</td>
 219 </tr>
 220 </tbody>
 221 </table></div>
 222 </div>
 223 </div>
 224 </div>
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