| <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> |
| <html> |
| <head> |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| <title>GstDeviceProviderFactory: GStreamer 1.0 Core Reference Manual</title> |
| <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> |
| <link rel="home" href="index.html" title="GStreamer 1.0 Core Reference Manual"> |
| <link rel="up" href="gstreamer-device-probing.html" title="GStreamer Device Discovery and Device Probing"> |
| <link rel="prev" href="gstreamer-GstDeviceProvider.html" title="GstDeviceProvider"> |
| <link rel="next" href="gstreamer-support.html" title="GStreamer Core Support"> |
| <meta name="generator" content="GTK-Doc V1.24 (XML mode)"> |
| <link rel="stylesheet" href="style.css" type="text/css"> |
| </head> |
| <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> |
| <table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> |
| <td width="100%" align="left" class="shortcuts"> |
| <a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> |
| <a href="#GstDeviceProviderFactory.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> |
| <a href="#GstDeviceProviderFactory.object-hierarchy" class="shortcut">Object Hierarchy</a></span> |
| </td> |
| <td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> |
| <td><a accesskey="u" href="gstreamer-device-probing.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> |
| <td><a accesskey="p" href="gstreamer-GstDeviceProvider.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> |
| <td><a accesskey="n" href="gstreamer-support.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> |
| </tr></table> |
| <div class="refentry"> |
| <a name="GstDeviceProviderFactory"></a><div class="titlepage"></div> |
| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="GstDeviceProviderFactory.top_of_page"></a>GstDeviceProviderFactory</span></h2> |
| <p>GstDeviceProviderFactory — Create GstDeviceProviders from a factory</p> |
| </td> |
| <td class="gallery_image" valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsect1"> |
| <a name="GstDeviceProviderFactory.functions"></a><h2>Functions</h2> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="functions_return"> |
| <col class="functions_name"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="returnvalue">GstDeviceProviderFactory</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-find" title="gst_device_provider_factory_find ()">gst_device_provider_factory_find</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="returnvalue">GstDeviceProvider</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-get" title="gst_device_provider_factory_get ()">gst_device_provider_factory_get</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="returnvalue">GstDeviceProvider</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-get-by-name" title="gst_device_provider_factory_get_by_name ()">gst_device_provider_factory_get_by_name</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/gobject/unstable/gobject-Type-Information.html#GType"><span class="returnvalue">GType</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-get-device-provider-type" title="gst_device_provider_factory_get_device_provider_type ()">gst_device_provider_factory_get_device_provider_type</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type">const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-get-metadata" title="gst_device_provider_factory_get_metadata ()">gst_device_provider_factory_get_metadata</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> ** |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-get-metadata-keys" title="gst_device_provider_factory_get_metadata_keys ()">gst_device_provider_factory_get_metadata_keys</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-has-classes" title="gst_device_provider_factory_has_classes ()">gst_device_provider_factory_has_classes</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-has-classesv" title="gst_device_provider_factory_has_classesv ()">gst_device_provider_factory_has_classesv</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-list-get-device-providers" title="gst_device_provider_factory_list_get_device_providers ()">gst_device_provider_factory_list_get_device_providers</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="GstDeviceProviderFactory.other"></a><h2>Types and Values</h2> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="name"> |
| <col class="description"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="datatype_keyword"> </td> |
| <td class="function_name"><a class="link" href="GstDeviceProviderFactory.html#GstDeviceProviderFactory-struct" title="GstDeviceProviderFactory">GstDeviceProviderFactory</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword"> </td> |
| <td class="function_name"><a class="link" href="GstDeviceProviderFactory.html#GstDeviceProviderFactoryClass" title="GstDeviceProviderFactoryClass">GstDeviceProviderFactoryClass</a></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="GstDeviceProviderFactory.object-hierarchy"></a><h2>Object Hierarchy</h2> |
| <pre class="screen"> <a href="https://developer.gnome.org/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a> |
| <span class="lineart">╰──</span> <a href="https://developer.gnome.org/gobject/unstable/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> |
| <span class="lineart">╰──</span> <a class="link" href="GstObject.html" title="GstObject">GstObject</a> |
| <span class="lineart">╰──</span> <a class="link" href="GstPluginFeature.html" title="GstPluginFeature">GstPluginFeature</a> |
| <span class="lineart">╰──</span> GstDeviceProviderFactory |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="GstDeviceProviderFactory.includes"></a><h2>Includes</h2> |
| <pre class="synopsis">#include <gst/gst.h> |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="GstDeviceProviderFactory.description"></a><h2>Description</h2> |
| <p><a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a> is used to create instances of device providers. A |
| GstDeviceProviderfactory can be added to a <a class="link" href="GstPlugin.html" title="GstPlugin"><span class="type">GstPlugin</span></a> as it is also a |
| <a class="link" href="GstPluginFeature.html" title="GstPluginFeature"><span class="type">GstPluginFeature</span></a>.</p> |
| <p>Use the <a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-find" title="gst_device_provider_factory_find ()"><code class="function">gst_device_provider_factory_find()</code></a> and |
| <a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-get" title="gst_device_provider_factory_get ()"><code class="function">gst_device_provider_factory_get()</code></a> functions to create device |
| provider instances or use <a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-get-by-name" title="gst_device_provider_factory_get_by_name ()"><code class="function">gst_device_provider_factory_get_by_name()</code></a> as a |
| convenient shortcut.</p> |
| </div> |
| <div class="refsect1"> |
| <a name="GstDeviceProviderFactory.functions_details"></a><h2>Functions</h2> |
| <div class="refsect2"> |
| <a name="gst-device-provider-factory-find"></a><h3>gst_device_provider_factory_find ()</h3> |
| <pre class="programlisting"><a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="returnvalue">GstDeviceProviderFactory</span></a> * |
| gst_device_provider_factory_find (<em class="parameter"><code>const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>);</pre> |
| <p>Search for an device provider factory of the given name. Refs the returned |
| device provider factory; caller is responsible for unreffing.</p> |
| <div class="refsect3"> |
| <a name="id-1.4.5.8.2.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>name</p></td> |
| <td class="parameter_description"><p>name of factory to find</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.4.5.8.2.6"></a><h4>Returns</h4> |
| <p> <a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a> if |
| found, <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> otherwise. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix04.html#api-index-1.4">1.4</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-device-provider-factory-get"></a><h3>gst_device_provider_factory_get ()</h3> |
| <pre class="programlisting"><a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="returnvalue">GstDeviceProvider</span></a> * |
| gst_device_provider_factory_get (<em class="parameter"><code><a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a> *factory</code></em>);</pre> |
| <p>Returns the device provider of the type defined by the given device |
| providerfactory.</p> |
| <div class="refsect3"> |
| <a name="id-1.4.5.8.3.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>factory</p></td> |
| <td class="parameter_description"><p>factory to instantiate</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.4.5.8.3.6"></a><h4>Returns</h4> |
| <p> the <a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="type">GstDeviceProvider</span></a> or <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> |
| if the device provider couldn't be created. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix04.html#api-index-1.4">1.4</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-device-provider-factory-get-by-name"></a><h3>gst_device_provider_factory_get_by_name ()</h3> |
| <pre class="programlisting"><a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="returnvalue">GstDeviceProvider</span></a> * |
| gst_device_provider_factory_get_by_name |
| (<em class="parameter"><code>const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *factoryname</code></em>);</pre> |
| <p>Returns the device provider of the type defined by the given device |
| provider factory.</p> |
| <div class="refsect3"> |
| <a name="id-1.4.5.8.4.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>factoryname</p></td> |
| <td class="parameter_description"><p>a named factory to instantiate</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.4.5.8.4.6"></a><h4>Returns</h4> |
| <p> a <a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="type">GstDeviceProvider</span></a> or <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> |
| if unable to create device provider. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix04.html#api-index-1.4">1.4</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-device-provider-factory-get-device-provider-type"></a><h3>gst_device_provider_factory_get_device_provider_type ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/gobject/unstable/gobject-Type-Information.html#GType"><span class="returnvalue">GType</span></a> |
| gst_device_provider_factory_get_device_provider_type |
| (<em class="parameter"><code><a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a> *factory</code></em>);</pre> |
| <p>Get the <a href="https://developer.gnome.org/gobject/unstable/gobject-Type-Information.html#GType"><span class="type">GType</span></a> for device providers managed by this factory. The type can |
| only be retrieved if the device provider factory is loaded, which can be |
| assured with <a class="link" href="GstPluginFeature.html#gst-plugin-feature-load" title="gst_plugin_feature_load ()"><code class="function">gst_plugin_feature_load()</code></a>.</p> |
| <div class="refsect3"> |
| <a name="id-1.4.5.8.5.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>factory</p></td> |
| <td class="parameter_description"><p>factory to get managed <a href="https://developer.gnome.org/gobject/unstable/gobject-Type-Information.html#GType"><span class="type">GType</span></a> from</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.4.5.8.5.6"></a><h4>Returns</h4> |
| <p> the <a href="https://developer.gnome.org/gobject/unstable/gobject-Type-Information.html#GType"><span class="type">GType</span></a> for device providers managed by this factory.</p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix04.html#api-index-1.4">1.4</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-device-provider-factory-get-metadata"></a><h3>gst_device_provider_factory_get_metadata ()</h3> |
| <pre class="programlisting">const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| gst_device_provider_factory_get_metadata |
| (<em class="parameter"><code><a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a> *factory</code></em>, |
| <em class="parameter"><code>const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *key</code></em>);</pre> |
| <p>Get the metadata on <em class="parameter"><code>factory</code></em> |
| with <em class="parameter"><code>key</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="id-1.4.5.8.6.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>factory</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>key</p></td> |
| <td class="parameter_description"><p>a key</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.4.5.8.6.6"></a><h4>Returns</h4> |
| <p> the metadata with <em class="parameter"><code>key</code></em> |
| on <em class="parameter"><code>factory</code></em> |
| or <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> |
| when there was no metadata with the given <em class="parameter"><code>key</code></em> |
| . </p> |
| <p><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix04.html#api-index-1.4">1.4</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-device-provider-factory-get-metadata-keys"></a><h3>gst_device_provider_factory_get_metadata_keys ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> ** |
| gst_device_provider_factory_get_metadata_keys |
| (<em class="parameter"><code><a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a> *factory</code></em>);</pre> |
| <p>Get the available keys for the metadata on <em class="parameter"><code>factory</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="id-1.4.5.8.7.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>factory</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.4.5.8.7.6"></a><h4>Returns</h4> |
| <p>a <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>-terminated array of key strings, or <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> when there is no |
| metadata. Free with <a href="https://developer.gnome.org/glib/unstable/glib-String-Utility-Functions.html#g-strfreev"><code class="function">g_strfreev()</code></a> when no longer needed. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> utf8][<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> zero-terminated=1][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix04.html#api-index-1.4">1.4</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-device-provider-factory-has-classes"></a><h3>gst_device_provider_factory_has_classes ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_device_provider_factory_has_classes |
| (<em class="parameter"><code><a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a> *factory</code></em>, |
| <em class="parameter"><code>const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *classes</code></em>);</pre> |
| <p>Check if <em class="parameter"><code>factory</code></em> |
| matches all of the given <em class="parameter"><code>classes</code></em> |
| </p> |
| <div class="refsect3"> |
| <a name="id-1.4.5.8.8.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>factory</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>classes</p></td> |
| <td class="parameter_description"><p> a "/" separate list of classes to match, only match |
| if all classes are matched. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.4.5.8.8.6"></a><h4>Returns</h4> |
| <p> <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>factory</code></em> |
| matches or if <em class="parameter"><code>classes</code></em> |
| is <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>.</p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix04.html#api-index-1.4">1.4</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-device-provider-factory-has-classesv"></a><h3>gst_device_provider_factory_has_classesv ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_device_provider_factory_has_classesv |
| (<em class="parameter"><code><a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a> *factory</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> **classes</code></em>);</pre> |
| <p>Check if <em class="parameter"><code>factory</code></em> |
| matches all of the given classes</p> |
| <div class="refsect3"> |
| <a name="id-1.4.5.8.9.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>factory</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>classes</p></td> |
| <td class="parameter_description"><p> a <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> terminated array |
| of classes to match, only match if all classes are matched. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> zero-terminated=1][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.4.5.8.9.6"></a><h4>Returns</h4> |
| <p> <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>factory</code></em> |
| matches.</p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix04.html#api-index-1.4">1.4</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-device-provider-factory-list-get-device-providers"></a><h3>gst_device_provider_factory_list_get_device_providers ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * |
| gst_device_provider_factory_list_get_device_providers |
| (<em class="parameter"><code><a class="link" href="GstPluginFeature.html#GstRank" title="enum GstRank"><span class="type">GstRank</span></a> minrank</code></em>);</pre> |
| <p>Get a list of factories with a rank greater or equal to <em class="parameter"><code>minrank</code></em> |
| . |
| The list of factories is returned by decreasing rank.</p> |
| <div class="refsect3"> |
| <a name="id-1.4.5.8.10.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>minrank</p></td> |
| <td class="parameter_description"><p>Minimum rank</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.4.5.8.10.6"></a><h4>Returns</h4> |
| <p>a <a href="https://developer.gnome.org/glib/unstable/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> of <a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a> device providers. Use |
| <a class="link" href="GstPluginFeature.html#gst-plugin-feature-list-free" title="gst_plugin_feature_list_free ()"><code class="function">gst_plugin_feature_list_free()</code></a> after usage. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> Gst.DeviceProviderFactory]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix04.html#api-index-1.4">1.4</a></p> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="GstDeviceProviderFactory.other_details"></a><h2>Types and Values</h2> |
| <div class="refsect2"> |
| <a name="GstDeviceProviderFactory-struct"></a><h3>GstDeviceProviderFactory</h3> |
| <pre class="programlisting">typedef struct _GstDeviceProviderFactory GstDeviceProviderFactory;</pre> |
| <p>The opaque <a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a> data structure.</p> |
| <p class="since">Since: <a class="link" href="ix04.html#api-index-1.4">1.4</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstDeviceProviderFactoryClass"></a><h3>GstDeviceProviderFactoryClass</h3> |
| <pre class="programlisting">typedef struct _GstDeviceProviderFactoryClass GstDeviceProviderFactoryClass;</pre> |
| <p>The opaque <a class="link" href="GstDeviceProviderFactory.html#GstDeviceProviderFactoryClass" title="GstDeviceProviderFactoryClass"><span class="type">GstDeviceProviderFactoryClass</span></a> data structure.</p> |
| <p class="since">Since: <a class="link" href="ix04.html#api-index-1.4">1.4</a></p> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="GstDeviceProviderFactory.see-also"></a><h2>See Also</h2> |
| <p><a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="type">GstDeviceProvider</span></a>, <a class="link" href="GstPlugin.html" title="GstPlugin"><span class="type">GstPlugin</span></a>, <a class="link" href="GstPluginFeature.html" title="GstPluginFeature"><span class="type">GstPluginFeature</span></a>, <a class="link" href="GstPadTemplate.html" title="GstPadTemplate"><span class="type">GstPadTemplate</span></a>.</p> |
| </div> |
| </div> |
| <div class="footer"> |
| <hr>Generated by GTK-Doc V1.24</div> |
| </body> |
| </html> |
