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| <a name="gstreamer-plugins-capsfilter"></a><div class="titlepage"></div> |
| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="gstreamer-plugins-capsfilter.top_of_page"></a>capsfilter</span></h2> |
| <p>capsfilter</p> |
| </td> |
| <td class="gallery_image" valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsect1"> |
| <a name="gstreamer-plugins-capsfilter.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="../html/GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> *</td> |
| <td class="property_name"><a class="link" href="gstreamer-plugins-capsfilter.html#GstCapsFilter--caps" title="The “caps” property">caps</a></td> |
| <td class="property_flags">Read / Write</td> |
| </tr> |
| <tr> |
| <td class="property_type"><a class="link" href="gstreamer-plugins-capsfilter.html#GstCapsFilterCapsChangeMode" title="enum GstCapsFilterCapsChangeMode"><span class="type">GstCapsFilterCapsChangeMode</span></a></td> |
| <td class="property_name"><a class="link" href="gstreamer-plugins-capsfilter.html#GstCapsFilter--caps-change-mode" title="The “caps-change-mode” property">caps-change-mode</a></td> |
| <td class="property_flags">Read / Write</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <a name="GstCapsFilter"></a><div class="refsect1"> |
| <a name="gstreamer-plugins-capsfilter.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="gstreamer-plugins-capsfilter.html#GstCapsFilter-struct" title="struct GstCapsFilter">GstCapsFilter</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">enum</td> |
| <td class="function_name"><a class="link" href="gstreamer-plugins-capsfilter.html#GstCapsFilterCapsChangeMode" title="enum GstCapsFilterCapsChangeMode">GstCapsFilterCapsChangeMode</a></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-plugins-capsfilter.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="../html/GstObject.html#GstObject-struct">GstObject</a> |
| <span class="lineart">╰──</span> <a href="../html/GstElement.html#GstElement-struct">GstElement</a> |
| <span class="lineart">╰──</span> <a href="../html/GstBaseTransform.html#GstBaseTransform-struct">GstBaseTransform</a> |
| <span class="lineart">╰──</span> GstCapsFilter |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-plugins-capsfilter.description"></a><h2>Description</h2> |
| <p>The element does not modify data as such, but can enforce limitations on the |
| data format.</p> |
| <div class="refsect2"> |
| <a name="id-1.2.2.7.3"></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 <span class="gtkdoc opt">!</span> capsfilter caps<span class="gtkdoc opt">=</span>video<span class="gtkdoc opt">/</span>x<span class="gtkdoc opt">-</span>raw<span class="gtkdoc opt">,</span>format<span class="gtkdoc opt">=</span>GRAY8 <span class="gtkdoc opt">!</span> videoconvert <span class="gtkdoc opt">!</span> autovideosink</pre></td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| Limits acceptable video from videotestsrc to be grayscale. Equivalent to |
| <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 <span class="gtkdoc opt">!</span> video<span class="gtkdoc opt">/</span>x<span class="gtkdoc opt">-</span>raw<span class="gtkdoc opt">,</span>format<span class="gtkdoc opt">=</span>GRAY8 <span class="gtkdoc opt">!</span> videoconvert <span class="gtkdoc opt">!</span> autovideosink</pre></td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| which is a short notation for the capsfilter element. |
| </div> |
| <div class="refsynopsisdiv"> |
| <h2>Synopsis</h2> |
| <div class="refsect2"> |
| <a name="id-1.2.2.7.4.1"></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="gstreamer-plugins-plugin-coreelements.html#plugin-coreelements">coreelements</a> |
| </td> |
| </tr> |
| <tr> |
| <td><p><span class="term">author</span></p></td> |
| <td>David Schleef <ds@schleef.org></td> |
| </tr> |
| <tr> |
| <td><p><span class="term">class</span></p></td> |
| <td>Generic</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="id-1.2.2.7.4.2"></a><h3>Element Pads</h3> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <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>ANY</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>ANY</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-plugins-capsfilter.functions_details"></a><h2>Functions</h2> |
| <p></p> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-plugins-capsfilter.other_details"></a><h2>Types and Values</h2> |
| <div class="refsect2"> |
| <a name="GstCapsFilter-struct"></a><h3>struct GstCapsFilter</h3> |
| <pre class="programlisting">struct GstCapsFilter;</pre> |
| <p>The opaque <a class="link" href="gstreamer-plugins-capsfilter.html#GstCapsFilter"><span class="type">GstCapsFilter</span></a> data structure.</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstCapsFilterCapsChangeMode"></a><h3>enum GstCapsFilterCapsChangeMode</h3> |
| <p>Filter caps change behaviour</p> |
| <div class="refsect3"> |
| <a name="GstCapsFilterCapsChangeMode.members"></a><h4>Members</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="300px" class="enum_members_name"> |
| <col class="enum_members_description"> |
| <col width="200px" class="enum_members_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-CAPS-FILTER-CAPS-CHANGE-MODE-IMMEDIATE:CAPS"></a>GST_CAPS_FILTER_CAPS_CHANGE_MODE_IMMEDIATE</p></td> |
| <td class="enum_member_description"> |
| <p>Only accept the current filter caps</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-CAPS-FILTER-CAPS-CHANGE-MODE-DELAYED:CAPS"></a>GST_CAPS_FILTER_CAPS_CHANGE_MODE_DELAYED</p></td> |
| <td class="enum_member_description"> |
| <p>Temporarily accept previous filter caps</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-plugins-capsfilter.property-details"></a><h2>Property Details</h2> |
| <div class="refsect2"> |
| <a name="GstCapsFilter--caps"></a><h3>The <code class="literal">“caps”</code> property</h3> |
| <pre class="programlisting"> “caps” <a href="../html/GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> *</pre> |
| <p>Restrict the possible allowed capabilities (NULL means ANY). Setting this property takes a reference to the supplied GstCaps object.</p> |
| <p>Flags: Read / Write</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstCapsFilter--caps-change-mode"></a><h3>The <code class="literal">“caps-change-mode”</code> property</h3> |
| <pre class="programlisting"> “caps-change-mode” <a class="link" href="gstreamer-plugins-capsfilter.html#GstCapsFilterCapsChangeMode" title="enum GstCapsFilterCapsChangeMode"><span class="type">GstCapsFilterCapsChangeMode</span></a></pre> |
| <p>Filter caps change behaviour.</p> |
| <p>Flags: Read / Write</p> |
| <p>Default value: Only accept the current filter caps</p> |
| </div> |
| </div> |
| </div> |
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