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<a name="gst-plugins-good-plugins-jpegdec"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-jpegdec.top_of_page"></a>jpegdec</span></h2>
<p>jpegdec</p>
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<td class="gallery_image" valign="top" align="right"></td>
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<div class="refsect1">
<a name="gst-plugins-good-plugins-jpegdec.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"><span class="type">GstIDCTMethod</span></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-jpegdec.html#GstJpegDec--idct-method" title="The “idct-method” property">idct-method</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<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-jpegdec.html#GstJpegDec--max-errors" title="The “max-errors” property">max-errors</a></td>
<td class="property_flags">Read / Write</td>
</tr>
</tbody>
</table></div>
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<a name="GstJpegDec"></a><div class="refsect1">
<a name="gst-plugins-good-plugins-jpegdec.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">
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<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-good-plugins-jpegdec.html#GstJpegDec-struct" title="struct GstJpegDec">GstJpegDec</a></td>
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</table></div>
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<div class="refsect1">
<a name="gst-plugins-good-plugins-jpegdec.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-GstVideoDecoder.html#GstVideoDecoder">GstVideoDecoder</a>
<span class="lineart">╰──</span> GstJpegDec
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-jpegdec.description"></a><h2>Description</h2>
<p>Decodes jpeg images.</p>
<div class="refsect2">
<a name="id-1.2.81.7.3"></a><h3>Example launch line</h3>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
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<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> <span class="gtkdoc opt">-</span>v filesrc location<span class="gtkdoc opt">=</span>mjpeg<span class="gtkdoc opt">.</span>avi <span class="gtkdoc opt">!</span> avidemux <span class="gtkdoc opt">!</span> queue <span class="gtkdoc opt">!</span> jpegdec <span class="gtkdoc opt">!</span> videoconvert <span class="gtkdoc opt">!</span> videoscale <span class="gtkdoc opt">!</span> autovideosink</pre></td>
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The above pipeline decode the mjpeg stream and renders it to the screen.
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.81.7.4.1"></a><h3>Element Information</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
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<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@fluendo.com></td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Codec/Decoder/Image</td>
</tr>
</tbody>
</table></div>
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<hr>
<div class="refsect2">
<a name="id-1.2.81.7.4.2"></a><h3>Element Pads</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
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<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>image/jpeg</td>
</tr>
</tbody>
</table></div>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
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<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>video/x-raw, format=(string){ I420, RGB, BGR, RGBx, xRGB, BGRx, xBGR, GRAY8 }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
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</tbody>
</table></div>
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<div class="refsect1">
<a name="gst-plugins-good-plugins-jpegdec.functions_details"></a><h2>Functions</h2>
<p></p>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-jpegdec.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstJpegDec-struct"></a><h3>struct GstJpegDec</h3>
<pre class="programlisting">struct GstJpegDec;</pre>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-jpegdec.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstJpegDec--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>
<hr>
<div class="refsect2">
<a name="GstJpegDec--max-errors"></a><h3>The <code class="literal">“max-errors”</code> property</h3>
<pre class="programlisting"> “max-errors” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Error out after receiving N consecutive decoding errors
(-1 = never error out, 0 = automatic, 1 = fail on first error, etc.)</p>
<div class="warning">
<p><code class="literal">GstJpegDec:max-errors</code> has been deprecated since version 1.3.1 and should not be used in newly-written code.</p>
<p>Property wasn't used internally</p>
</div>
<p>Flags: Read / Write</p>
<p>Allowed values: >= G_MAXULONG</p>
<p>Default value: 0</p>
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</div>
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