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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-jpegenc.synopsis" class="shortcut">Top</a>
26 <a href="#gst-plugins-good-plugins-jpegenc.description" class="shortcut">Description</a>
28 <a href="#gst-plugins-good-plugins-jpegenc.object-hierarchy" class="shortcut">Object Hierarchy</a>
30 <a href="#gst-plugins-good-plugins-jpegenc.properties" class="shortcut">Properties</a>
32 <a href="#gst-plugins-good-plugins-jpegenc.signals" class="shortcut">Signals</a>
35 <div class="refentry">
36 <a name="gst-plugins-good-plugins-jpegenc"></a><div class="titlepage"></div>
37 <div class="refnamediv"><table width="100%"><tr>
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>
42 <td valign="top" align="right"></td>
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>;
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>
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
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>
71 <div class="refsect1">
72 <a name="gst-plugins-good-plugins-jpegenc.description"></a><h2>Description</h2>
78 <div class="refsect2">
79 <a name="idp14036448"></a><h3>Example launch line</h3>
80 <div class="informalexample">
81 <table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
84 <td class="listing_lines" align="right"><pre>1</pre></td>
85 <td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch videotestsrc num<span class="gtkdoc opt">-</span>buffers<span class="gtkdoc opt">=</span><span class="number">50</span> <span class="gtkdoc opt">!</span> video<span class="gtkdoc opt">/</span>x<span class="gtkdoc opt">-</span>raw<span class="gtkdoc opt">-</span>yuv<span class="gtkdoc opt">,</span> framerate<span class="gtkdoc opt">=</span><span class="string">'(fraction)'</span><span class="number">5</span><span class="gtkdoc opt">/</span><span class="number">1</span> <span class="gtkdoc opt">!</span> jpegenc <span class="gtkdoc opt">!</span> avimux <span class="gtkdoc opt">!</span> filesink location<span class="gtkdoc opt">=</span>mjpeg<span class="gtkdoc opt">.</span>avi</pre></td>
90 a pipeline to mux 5 JPEG frames per second into a 10 sec. long motion jpeg
95 <div class="refsynopsisdiv">
97 <div class="refsect2">
98 <a name="idp16683264"></a><h3>Element Information</h3>
99 <div class="variablelist"><table border="0">
100 <col align="left" valign="top">
103 <td><p><span class="term">plugin</span></p></td>
105 <a class="link" href="gst-plugins-good-plugins-plugin-jpeg.html#plugin-jpeg">jpeg</a>
109 <td><p><span class="term">author</span></p></td>
110 <td>Wim Taymans <wim.taymans@tvd.be></td>
113 <td><p><span class="term">class</span></p></td>
114 <td>Codec/Encoder/Image</td>
120 <div class="refsect2">
121 <a name="idp15848992"></a><h3>Element Pads</h3>
122 <div class="variablelist"><table border="0">
123 <col align="left" valign="top">
126 <td><p><span class="term">name</span></p></td>
130 <td><p><span class="term">direction</span></p></td>
134 <td><p><span class="term">presence</span></p></td>
138 <td><p><span class="term">details</span></p></td>
139 <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>
142 <td><p><span class="term"></span></p></td>
143 <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>
146 <td><p><span class="term"></span></p></td>
147 <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>
150 <td><p><span class="term"></span></p></td>
151 <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>
154 <td><p><span class="term"></span></p></td>
155 <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>
158 <td><p><span class="term"></span></p></td>
159 <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>
162 <td><p><span class="term"></span></p></td>
163 <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>
166 <td><p><span class="term"></span></p></td>
167 <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>
171 <div class="variablelist"><table border="0">
172 <col align="left" valign="top">
175 <td><p><span class="term">name</span></p></td>
179 <td><p><span class="term">direction</span></p></td>
183 <td><p><span class="term">presence</span></p></td>
187 <td><p><span class="term">details</span></p></td>
188 <td>image/jpeg, width=(int)[ 16, 65535 ], height=(int)[ 16, 65535 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
197 <div class="refsect1">
198 <a name="gst-plugins-good-plugins-jpegenc.details"></a><h2>Details</h2>
199 <div class="refsect2">
200 <a name="GstJpegEnc-struct"></a><h3>struct GstJpegEnc</h3>
201 <pre class="programlisting">struct GstJpegEnc;</pre>
206 <div class="refsect1">
207 <a name="gst-plugins-good-plugins-jpegenc.property-details"></a><h2>Property Details</h2>
208 <div class="refsect2">
209 <a name="GstJpegEnc--quality"></a><h3>The <code class="literal">"quality"</code> property</h3>
210 <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>
211 <p>Quality of encoding.</p>
212 <p>Allowed values: [0,100]</p>
213 <p>Default value: 85</p>
216 <div class="refsect2">
217 <a name="GstJpegEnc--idct-method"></a><h3>The <code class="literal">"idct-method"</code> property</h3>
218 <pre class="programlisting"> "idct-method" <span class="type">GstIDCTMethod</span> : Read / Write</pre>
219 <p>The IDCT algorithm to use.</p>
220 <p>Default value: Faster, less accurate integer method</p>
223 <div class="refsect1">
224 <a name="gst-plugins-good-plugins-jpegenc.signal-details"></a><h2>Signal Details</h2>
225 <div class="refsect2">
226 <a name="GstJpegEnc-frame-encoded"></a><h3>The <code class="literal">"frame-encoded"</code> signal</h3>
227 <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,
228 <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>
231 <div class="variablelist"><table border="0">
232 <col align="left" valign="top">
235 <td><p><span class="term"><em class="parameter"><code>gstjpegenc</code></em> :</span></p></td>
236 <td>the object which received the signal.</td>
239 <td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
240 <td>user data set when the signal handler was connected.</td>
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