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| <a name="gst-plugins-base-plugins-theoradec"></a><div class="titlepage"></div> |
| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="gst-plugins-base-plugins-theoradec.top_of_page"></a>theoradec</span></h2> |
| <p>theoradec</p> |
| </td> |
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| </tr></table></div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-plugins-theoradec.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-base-plugins-theoradec.html#GstTheoraDec--visualize-bit-usage" title="The “visualize-bit-usage” property">visualize-bit-usage</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-base-plugins-theoradec.html#GstTheoraDec--visualize-macroblock-modes" title="The “visualize-macroblock-modes” property">visualize-macroblock-modes</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-base-plugins-theoradec.html#GstTheoraDec--visualize-motion-vectors" title="The “visualize-motion-vectors” property">visualize-motion-vectors</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-base-plugins-theoradec.html#GstTheoraDec--visualize-quantization-modes" title="The “visualize-quantization-modes” property">visualize-quantization-modes</a></td> |
| <td class="property_flags">Read / Write</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <a name="GstTheoraDec"></a><div class="refsect1"> |
| <a name="gst-plugins-base-plugins-theoradec.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-base-plugins-theoradec.html#GstTheoraDec-struct" title="struct GstTheoraDec">GstTheoraDec</a></td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-plugins-theoradec.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="../html/gst-plugins-base-libs-GstVideoDecoder.html#GstVideoDecoder">GstVideoDecoder</a> |
| <span class="lineart">╰──</span> GstTheoraDec |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-plugins-theoradec.description"></a><h2>Description</h2> |
| <p>This element decodes theora streams into raw video</p> |
| <a class="ulink" href="http://www.theora.org/" target="_top">Theora</a> is a royalty-free |
| <p>video codec maintained by the <a class="ulink" href="http://www.xiph.org/" target="_top">Xiph.org |
| Foundation</a>, based on the VP3 codec.</p> |
| <div class="refsect2"> |
| <a name="id-1.2.47.7.5"></a><h3>Example pipeline</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> <span class="gtkdoc opt">-</span>v filesrc location<span class="gtkdoc opt">=</span>videotestsrc<span class="gtkdoc opt">.</span>ogg <span class="gtkdoc opt">!</span> oggdemux <span class="gtkdoc opt">!</span> theoradec <span class="gtkdoc opt">!</span> videoconvert <span class="gtkdoc opt">!</span> videoscale <span class="gtkdoc opt">!</span> autovideosink</pre></td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| This example pipeline will decode an ogg stream and decodes the theora video in it. |
| Refer to the theoraenc example to create the ogg file. |
| </div> |
| <div class="refsynopsisdiv"> |
| <h2>Synopsis</h2> |
| <div class="refsect2"> |
| <a name="id-1.2.47.7.6.1"></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-base-plugins-plugin-theora.html#plugin-theora">theora</a> |
| </td> |
| </tr> |
| <tr> |
| <td><p><span class="term">author</span></p></td> |
| <td>Benjamin Otte <otte@gnome.org>, Wim Taymans <wim@fluendo.com></td> |
| </tr> |
| <tr> |
| <td><p><span class="term">class</span></p></td> |
| <td>Codec/Decoder/Video</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="id-1.2.47.7.6.2"></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-theora</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>video/x-raw, format=(string){ I420, Y42B, Y444 }, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ]</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-plugins-theoradec.functions_details"></a><h2>Functions</h2> |
| <p></p> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-plugins-theoradec.other_details"></a><h2>Types and Values</h2> |
| <div class="refsect2"> |
| <a name="GstTheoraDec-struct"></a><h3>struct GstTheoraDec</h3> |
| <pre class="programlisting">struct GstTheoraDec;</pre> |
| <p>Opaque object data structure.</p> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-plugins-theoradec.property-details"></a><h2>Property Details</h2> |
| <div class="refsect2"> |
| <a name="GstTheoraDec--visualize-bit-usage"></a><h3>The <code class="literal">“visualize-bit-usage”</code> property</h3> |
| <pre class="programlisting"> “visualize-bit-usage” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre> |
| <p>Sets the bitstream breakdown visualization mode. Values influence the width of the bit usage bars to show.</p> |
| <p>Flags: Read / Write</p> |
| <p>Allowed values: [0,255]</p> |
| <p>Default value: 0</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstTheoraDec--visualize-macroblock-modes"></a><h3>The <code class="literal">“visualize-macroblock-modes”</code> property</h3> |
| <pre class="programlisting"> “visualize-macroblock-modes” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre> |
| <p>Show macroblock mode selection overlaid on image. Value gives a mask for macroblock (MB) modes to show.</p> |
| <p>Flags: Read / Write</p> |
| <p>Allowed values: [0,65535]</p> |
| <p>Default value: 0</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstTheoraDec--visualize-motion-vectors"></a><h3>The <code class="literal">“visualize-motion-vectors”</code> property</h3> |
| <pre class="programlisting"> “visualize-motion-vectors” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre> |
| <p>Show motion vector selection overlaid on image. Value gives a mask for motion vector (MV) modes to show.</p> |
| <p>Flags: Read / Write</p> |
| <p>Allowed values: [0,65535]</p> |
| <p>Default value: 0</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstTheoraDec--visualize-quantization-modes"></a><h3>The <code class="literal">“visualize-quantization-modes”</code> property</h3> |
| <pre class="programlisting"> “visualize-quantization-modes” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre> |
| <p>Show adaptive quantization mode selection overlaid on image. Value gives a mask for quantization (QI) modes to show.</p> |
| <p>Flags: Read / Write</p> |
| <p>Allowed values: [0,65535]</p> |
| <p>Default value: 0</p> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-plugins-theoradec.see-also"></a><h2>See Also</h2> |
| <p>theoraenc, oggdemux</p> |
| </div> |
| </div> |
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