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| <div class="refentry"> |
| <a name="gst-plugins-good-plugins-jpegenc"></a><div class="titlepage"></div> |
| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-jpegenc.top_of_page"></a>jpegenc</span></h2> |
| <p>jpegenc</p> |
| </td> |
| <td class="gallery_image" valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsect1"> |
| <a name="gst-plugins-good-plugins-jpegenc.properties"></a><h2>Properties</h2> |
| <div class="informaltable"><table class="informaltable" border="0"> |
| <colgroup> |
| <col width="150px" class="properties_type"> |
| <col width="300px" class="properties_name"> |
| <col width="200px" class="properties_flags"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="property_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></td> |
| <td class="property_name"><a class="link" href="gst-plugins-good-plugins-jpegenc.html#GstJpegEnc--quality" title="The “quality” property">quality</a></td> |
| <td class="property_flags">Read / Write</td> |
| </tr> |
| <tr> |
| <td class="property_type"><span class="type">GstIDCTMethod</span></td> |
| <td class="property_name"><a class="link" href="gst-plugins-good-plugins-jpegenc.html#GstJpegEnc--idct-method" title="The “idct-method” property">idct-method</a></td> |
| <td class="property_flags">Read / Write</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <a name="GstJpegEnc"></a><div class="refsect1"> |
| <a name="gst-plugins-good-plugins-jpegenc.other"></a><h2>Types and Values</h2> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="name"> |
| <col class="description"> |
| </colgroup> |
| <tbody><tr> |
| <td class="datatype_keyword">struct</td> |
| <td class="function_name"><a class="link" href="gst-plugins-good-plugins-jpegenc.html#GstJpegEnc-struct" title="struct GstJpegEnc">GstJpegEnc</a></td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-good-plugins-jpegenc.object-hierarchy"></a><h2>Object Hierarchy</h2> |
| <pre class="screen"> <a href="/usr/share/gtk-doc/html/gobjectgobject-The-Base-Object-Type.html#GObject-struct">GObject</a> |
| <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobjectgobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> |
| <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstObject.html#GstObject-struct">GstObject</a> |
| <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstElement.html#GstElement-struct">GstElement</a> |
| <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0gst-plugins-base-libs-GstVideoEncoder.html#GstVideoEncoder">GstVideoEncoder</a> |
| <span class="lineart">╰──</span> GstJpegEnc |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-good-plugins-jpegenc.implemented-interfaces"></a><h2>Implemented Interfaces</h2> |
| <p> |
| GstJpegEnc implements |
| <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstPreset.html#GstPreset-struct">GstPreset</a>.</p> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-good-plugins-jpegenc.description"></a><h2>Description</h2> |
| <p>Encodes jpeg images.</p> |
| <div class="refsect2"> |
| <a name="id-1.2.82.8.3"></a><h3>Example launch line</h3> |
| <div class="informalexample"> |
| <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> |
| <tbody> |
| <tr> |
| <td class="listing_lines" align="right"><pre>1</pre></td> |
| <td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch<span class="gtkdoc opt">-</span><span class="number">1.0</span> 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> 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> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| a pipeline to mux 5 JPEG frames per second into a 10 sec. long motion jpeg |
| avi. |
| </div> |
| <div class="refsynopsisdiv"> |
| <h2>Synopsis</h2> |
| <div class="refsect2"> |
| <a name="id-1.2.82.8.4.1"></a><h3>Element Information</h3> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term">plugin</span></p></td> |
| <td> |
| <a class="link" href="gst-plugins-good-plugins-plugin-jpeg.html#plugin-jpeg">jpeg</a> |
| </td> |
| </tr> |
| <tr> |
| <td><p><span class="term">author</span></p></td> |
| <td>Wim Taymans <wim.taymans@tvd.be></td> |
| </tr> |
| <tr> |
| <td><p><span class="term">class</span></p></td> |
| <td>Codec/Encoder/Image</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="id-1.2.82.8.4.2"></a><h3>Element Pads</h3> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term">name</span></p></td> |
| <td>sink</td> |
| </tr> |
| <tr> |
| <td><p><span class="term">direction</span></p></td> |
| <td>sink</td> |
| </tr> |
| <tr> |
| <td><p><span class="term">presence</span></p></td> |
| <td>always</td> |
| </tr> |
| <tr> |
| <td><p><span class="term">details</span></p></td> |
| <td>video/x-raw, format=(string){ I420, YV12, YUY2, UYVY, Y41B, Y42B, YVYU, Y444, NV21, NV12, RGB, BGR, RGBx, xRGB, BGRx, xBGR, GRAY8 }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> |
| </tr> |
| </tbody> |
| </table></div> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term">name</span></p></td> |
| <td>src</td> |
| </tr> |
| <tr> |
| <td><p><span class="term">direction</span></p></td> |
| <td>source</td> |
| </tr> |
| <tr> |
| <td><p><span class="term">presence</span></p></td> |
| <td>always</td> |
| </tr> |
| <tr> |
| <td><p><span class="term">details</span></p></td> |
| <td>image/jpeg, width=(int)[ 16, 65535 ], height=(int)[ 16, 65535 ], framerate=(fraction)[ 0/1, 2147483647/1 ], sof-marker=(int){ 0, 1, 2, 9 }</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-good-plugins-jpegenc.functions_details"></a><h2>Functions</h2> |
| <p></p> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-good-plugins-jpegenc.other_details"></a><h2>Types and Values</h2> |
| <div class="refsect2"> |
| <a name="GstJpegEnc-struct"></a><h3>struct GstJpegEnc</h3> |
| <pre class="programlisting">struct GstJpegEnc;</pre> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-good-plugins-jpegenc.property-details"></a><h2>Property Details</h2> |
| <div class="refsect2"> |
| <a name="GstJpegEnc--quality"></a><h3>The <code class="literal">“quality”</code> property</h3> |
| <pre class="programlisting"> “quality” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre> |
| <p>Quality of encoding.</p> |
| <p>Flags: Read / Write</p> |
| <p>Allowed values: [0,100]</p> |
| <p>Default value: 85</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstJpegEnc--idct-method"></a><h3>The <code class="literal">“idct-method”</code> property</h3> |
| <pre class="programlisting"> “idct-method” <span class="type">GstIDCTMethod</span></pre> |
| <p>The IDCT algorithm to use.</p> |
| <p>Flags: Read / Write</p> |
| <p>Default value: Faster, less accurate integer method</p> |
| </div> |
| </div> |
| </div> |
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