| <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> |
| <html> |
| <head> |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| <title>GstDeviceMonitor: GStreamer 1.0 Core Reference Manual</title> |
| <meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> |
| <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-device-probing.html" title="GStreamer Device Discovery and Device Probing"> |
| <link rel="next" href="gstreamer-GstDevice.html" title="GstDevice"> |
| <meta name="generator" content="GTK-Doc V1.25 (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="#gstreamer-GstDeviceMonitor.description" class="shortcut">Description</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-device-probing.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> |
| <td><a accesskey="n" href="gstreamer-GstDevice.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> |
| </tr></table> |
| <div class="refentry"> |
| <a name="gstreamer-GstDeviceMonitor"></a><div class="titlepage"></div> |
| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="gstreamer-GstDeviceMonitor.top_of_page"></a>GstDeviceMonitor</span></h2> |
| <p>GstDeviceMonitor — A device monitor and prober</p> |
| </td> |
| <td class="gallery_image" valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstDeviceMonitor.functions"></a><h2>Functions</h2> |
| <div class="informaltable"><table class="informaltable" 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="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="returnvalue">GstDeviceMonitor</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstDeviceMonitor.html#gst-device-monitor-new" title="gst_device_monitor_new ()">gst_device_monitor_new</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstBus.html" title="GstBus"><span class="returnvalue">GstBus</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstDeviceMonitor.html#gst-device-monitor-get-bus" title="gst_device_monitor_get_bus ()">gst_device_monitor_get_bus</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstDeviceMonitor.html#gst-device-monitor-add-filter" title="gst_device_monitor_add_filter ()">gst_device_monitor_add_filter</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstDeviceMonitor.html#gst-device-monitor-remove-filter" title="gst_device_monitor_remove_filter ()">gst_device_monitor_remove_filter</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstDeviceMonitor.html#gst-device-monitor-start" title="gst_device_monitor_start ()">gst_device_monitor_start</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstDeviceMonitor.html#gst-device-monitor-stop" title="gst_device_monitor_stop ()">gst_device_monitor_stop</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstDeviceMonitor.html#gst-device-monitor-get-devices" title="gst_device_monitor_get_devices ()">gst_device_monitor_get_devices</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> ** |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstDeviceMonitor.html#gst-device-monitor-get-providers" title="gst_device_monitor_get_providers ()">gst_device_monitor_get_providers</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstDeviceMonitor.html#gst-device-monitor-get-show-all-devices" title="gst_device_monitor_get_show_all_devices ()">gst_device_monitor_get_show_all_devices</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstDeviceMonitor.html#gst-device-monitor-set-show-all-devices" title="gst_device_monitor_set_show_all_devices ()">gst_device_monitor_set_show_all_devices</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> ** |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstDeviceMonitor.html#gst-device-provider-get-hidden-providers" title="gst_device_provider_get_hidden_providers ()">gst_device_provider_get_hidden_providers</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstDeviceMonitor.html#gst-device-provider-hide-provider" title="gst_device_provider_hide_provider ()">gst_device_provider_hide_provider</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstDeviceMonitor.html#gst-device-provider-unhide-provider" title="gst_device_provider_unhide_provider ()">gst_device_provider_unhide_provider</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstDeviceMonitor.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-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor">GstDeviceMonitor</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">struct</td> |
| <td class="function_name"><a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitorClass" title="struct GstDeviceMonitorClass">GstDeviceMonitorClass</a></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstDeviceMonitor.includes"></a><h2>Includes</h2> |
| <pre class="synopsis">#include <gst/gst.h> |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstDeviceMonitor.description"></a><h2>Description</h2> |
| <p>Applications should create a <a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="type">GstDeviceMonitor</span></a> when they want |
| to probe, list and monitor devices of a specific type. The |
| <a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="type">GstDeviceMonitor</span></a> will create the appropriate |
| <a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="type">GstDeviceProvider</span></a> objects and manage them. It will then post |
| messages on its <a class="link" href="GstBus.html" title="GstBus"><span class="type">GstBus</span></a> for devices that have been added and |
| removed.</p> |
| <p>The device monitor will monitor all devices matching the filters that |
| the application has set.</p> |
| <p>The basic use pattern of a device monitor is as follows:</p> |
| <div class="informalexample"> |
| <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> |
| <tbody> |
| <tr> |
| <td class="listing_lines" align="right"><pre>1 |
| 2 |
| 3 |
| 4 |
| 5 |
| 6 |
| 7 |
| 8 |
| 9 |
| 10 |
| 11 |
| 12 |
| 13 |
| 14 |
| 15 |
| 16 |
| 17 |
| 18 |
| 19 |
| 20 |
| 21 |
| 22 |
| 23 |
| 24 |
| 25 |
| 26 |
| 27 |
| 28 |
| 29 |
| 30 |
| 31 |
| 32 |
| 33 |
| 34 |
| 35 |
| 36 |
| 37 |
| 38 |
| 39 |
| 40 |
| 41 |
| 42 |
| 43 |
| 44 |
| 45 |
| 46 |
| 47 |
| 48</pre></td> |
| <td class="listing_code"><pre class="programlisting"><span class="gtkdoc kwb">static</span> gboolean |
| <span class="function">my_bus_func</span> <span class="gtkdoc opt">(</span>GstBus <span class="gtkdoc opt">*</span> bus<span class="gtkdoc opt">,</span> GstMessage <span class="gtkdoc opt">*</span> message<span class="gtkdoc opt">,</span> gpointer user_data<span class="gtkdoc opt">)</span> |
| <span class="gtkdoc opt">{</span> |
| GstDevice <span class="gtkdoc opt">*</span>device<span class="gtkdoc opt">;</span> |
| gchar <span class="gtkdoc opt">*</span>name<span class="gtkdoc opt">;</span> |
| |
| <span class="keyword">switch</span> <span class="gtkdoc opt">(</span><span class="function"><a href="GstMessage.html#GST-MESSAGE-TYPE:CAPS">GST_MESSAGE_TYPE</a></span> <span class="gtkdoc opt">(</span>message<span class="gtkdoc opt">)) {</span> |
| <span class="keyword">case</span> GST_MESSAGE_DEVICE_ADDED<span class="gtkdoc opt">:</span> |
| <span class="function"><a href="GstMessage.html#gst-message-parse-device-added">gst_message_parse_device_added</a></span> <span class="gtkdoc opt">(</span>message<span class="gtkdoc opt">, &</span>device<span class="gtkdoc opt">);</span> |
| name <span class="gtkdoc opt">=</span> <span class="function"><a href="gstreamer-GstDevice.html#gst-device-get-display-name">gst_device_get_display_name</a></span> <span class="gtkdoc opt">(</span>device<span class="gtkdoc opt">);</span> |
| <span class="function"><a href="/usr/share/gtk-doc/html/glibglib-Warnings-and-Assertions.html#g-print">g_print</a></span><span class="gtkdoc opt">(</span><span class="string">"Device added: %s</span><span class="gtkdoc esc">\n</span><span class="string">"</span><span class="gtkdoc opt">,</span> name<span class="gtkdoc opt">);</span> |
| <span class="function"><a href="/usr/share/gtk-doc/html/glibglib-Memory-Allocation.html#g-free">g_free</a></span> <span class="gtkdoc opt">(</span>name<span class="gtkdoc opt">);</span> |
| <span class="function"><a href="GstObject.html#gst-object-unref">gst_object_unref</a></span> <span class="gtkdoc opt">(</span>device<span class="gtkdoc opt">);</span> |
| <span class="keyword">break</span><span class="gtkdoc opt">;</span> |
| <span class="keyword">case</span> GST_MESSAGE_DEVICE_REMOVED<span class="gtkdoc opt">:</span> |
| <span class="function"><a href="GstMessage.html#gst-message-parse-device-removed">gst_message_parse_device_removed</a></span> <span class="gtkdoc opt">(</span>message<span class="gtkdoc opt">, &</span>device<span class="gtkdoc opt">);</span> |
| name <span class="gtkdoc opt">=</span> <span class="function"><a href="gstreamer-GstDevice.html#gst-device-get-display-name">gst_device_get_display_name</a></span> <span class="gtkdoc opt">(</span>device<span class="gtkdoc opt">);</span> |
| <span class="function"><a href="/usr/share/gtk-doc/html/glibglib-Warnings-and-Assertions.html#g-print">g_print</a></span><span class="gtkdoc opt">(</span><span class="string">"Device removed: %s</span><span class="gtkdoc esc">\n</span><span class="string">"</span><span class="gtkdoc opt">,</span> name<span class="gtkdoc opt">);</span> |
| <span class="function"><a href="/usr/share/gtk-doc/html/glibglib-Memory-Allocation.html#g-free">g_free</a></span> <span class="gtkdoc opt">(</span>name<span class="gtkdoc opt">);</span> |
| <span class="function"><a href="GstObject.html#gst-object-unref">gst_object_unref</a></span> <span class="gtkdoc opt">(</span>device<span class="gtkdoc opt">);</span> |
| <span class="keyword">break</span><span class="gtkdoc opt">;</span> |
| <span class="keyword">default</span><span class="gtkdoc opt">:</span> |
| <span class="keyword">break</span><span class="gtkdoc opt">;</span> |
| <span class="gtkdoc opt">}</span> |
| |
| <span class="keyword">return</span> G_SOURCE_CONTINUE<span class="gtkdoc opt">;</span> |
| <span class="gtkdoc opt">}</span> |
| |
| GstDeviceMonitor <span class="gtkdoc opt">*</span> |
| <span class="function">setup_raw_video_source_device_monitor</span> <span class="gtkdoc opt">(</span><span class="gtkdoc kwb">void</span><span class="gtkdoc opt">) {</span> |
| GstDeviceMonitor <span class="gtkdoc opt">*</span>monitor<span class="gtkdoc opt">;</span> |
| GstBus <span class="gtkdoc opt">*</span>bus<span class="gtkdoc opt">;</span> |
| GstCaps <span class="gtkdoc opt">*</span>caps<span class="gtkdoc opt">;</span> |
| |
| monitor <span class="gtkdoc opt">=</span> <span class="function"><a href="gstreamer-GstDeviceMonitor.html#gst-device-monitor-new">gst_device_monitor_new</a></span> <span class="gtkdoc opt">();</span> |
| |
| bus <span class="gtkdoc opt">=</span> <span class="function"><a href="gstreamer-GstDeviceMonitor.html#gst-device-monitor-get-bus">gst_device_monitor_get_bus</a></span> <span class="gtkdoc opt">(</span>monitor<span class="gtkdoc opt">);</span> |
| <span class="function"><a href="GstBus.html#gst-bus-add-watch">gst_bus_add_watch</a></span> <span class="gtkdoc opt">(</span>bus<span class="gtkdoc opt">,</span> my_bus_func<span class="gtkdoc opt">,</span> NULL<span class="gtkdoc opt">);</span> |
| <span class="function"><a href="GstObject.html#gst-object-unref">gst_object_unref</a></span> <span class="gtkdoc opt">(</span>bus<span class="gtkdoc opt">);</span> |
| |
| caps <span class="gtkdoc opt">=</span> <span class="function"><a href="GstCaps.html#gst-caps-new-empty-simple">gst_caps_new_empty_simple</a></span> <span class="gtkdoc opt">(</span><span class="string">"video/x-raw"</span><span class="gtkdoc opt">);</span> |
| <span class="function"><a href="gstreamer-GstDeviceMonitor.html#gst-device-monitor-add-filter">gst_device_monitor_add_filter</a></span> <span class="gtkdoc opt">(</span>monitor<span class="gtkdoc opt">,</span> <span class="string">"Video/Source"</span><span class="gtkdoc opt">,</span> caps<span class="gtkdoc opt">);</span> |
| <span class="function"><a href="GstCaps.html#gst-caps-unref">gst_caps_unref</a></span> <span class="gtkdoc opt">(</span>caps<span class="gtkdoc opt">);</span> |
| |
| <span class="function"><a href="gstreamer-GstDeviceMonitor.html#gst-device-monitor-start">gst_device_monitor_start</a></span> <span class="gtkdoc opt">(</span>monitor<span class="gtkdoc opt">);</span> |
| |
| <span class="keyword">return</span> monitor<span class="gtkdoc opt">;</span> |
| <span class="gtkdoc opt">}</span></pre></td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| |
| <p></p> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstDeviceMonitor.functions_details"></a><h2>Functions</h2> |
| <div class="refsect2"> |
| <a name="gst-device-monitor-new"></a><h3>gst_device_monitor_new ()</h3> |
| <pre class="programlisting"><a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="returnvalue">GstDeviceMonitor</span></a> * |
| gst_device_monitor_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre> |
| <p>Create a new <a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="type">GstDeviceMonitor</span></a></p> |
| <div class="refsect3"> |
| <a name="gst-device-monitor-new.returns"></a><h4>Returns</h4> |
| <p> a new device monitor. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix06.html#api-index-1.4">1.4</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-device-monitor-get-bus"></a><h3>gst_device_monitor_get_bus ()</h3> |
| <pre class="programlisting"><a class="link" href="GstBus.html" title="GstBus"><span class="returnvalue">GstBus</span></a> * |
| gst_device_monitor_get_bus (<em class="parameter"><code><a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="type">GstDeviceMonitor</span></a> *monitor</code></em>);</pre> |
| <p>Gets the <a class="link" href="GstBus.html" title="GstBus"><span class="type">GstBus</span></a> of this <a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="type">GstDeviceMonitor</span></a></p> |
| <div class="refsect3"> |
| <a name="gst-device-monitor-get-bus.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" 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>monitor</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="type">GstDeviceProvider</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-device-monitor-get-bus.returns"></a><h4>Returns</h4> |
| <p> a <a class="link" href="GstBus.html" title="GstBus"><span class="type">GstBus</span></a>. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix06.html#api-index-1.4">1.4</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-device-monitor-add-filter"></a><h3>gst_device_monitor_add_filter ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> |
| gst_device_monitor_add_filter (<em class="parameter"><code><a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="type">GstDeviceMonitor</span></a> *monitor</code></em>, |
| <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *classes</code></em>, |
| <em class="parameter"><code><a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>);</pre> |
| <p>Adds a filter for which <a class="link" href="gstreamer-GstDevice.html#GstDevice" title="struct GstDevice"><span class="type">GstDevice</span></a> will be monitored, any device that matches |
| all these classes and the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> will be returned.</p> |
| <p>If this function is called multiple times to add more filters, each will be |
| matched independently. That is, adding more filters will not further restrict |
| what devices are matched.</p> |
| <p>The <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> supported by the device as returned by <a class="link" href="gstreamer-GstDevice.html#gst-device-get-caps" title="gst_device_get_caps ()"><code class="function">gst_device_get_caps()</code></a> are |
| not intersected with caps filters added using this function.</p> |
| <p>Filters must be added before the <a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="type">GstDeviceMonitor</span></a> is started.</p> |
| <div class="refsect3"> |
| <a name="gst-device-monitor-add-filter.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" 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>monitor</p></td> |
| <td class="parameter_description"><p>a device monitor</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>classes</p></td> |
| <td class="parameter_description"><p> device classes to use as filter or <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> for any class. </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> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p> the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> to filter or <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> for ANY. </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="gst-device-monitor-add-filter.returns"></a><h4>Returns</h4> |
| <p> The id of the new filter or 0 if no provider matched the filter's |
| classes.</p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix06.html#api-index-1.4">1.4</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-device-monitor-remove-filter"></a><h3>gst_device_monitor_remove_filter ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_device_monitor_remove_filter (<em class="parameter"><code><a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="type">GstDeviceMonitor</span></a> *monitor</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> filter_id</code></em>);</pre> |
| <p>Removes a filter from the <a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="type">GstDeviceMonitor</span></a> using the id that was returned |
| by <a class="link" href="gstreamer-GstDeviceMonitor.html#gst-device-monitor-add-filter" title="gst_device_monitor_add_filter ()"><code class="function">gst_device_monitor_add_filter()</code></a>.</p> |
| <div class="refsect3"> |
| <a name="gst-device-monitor-remove-filter.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" 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>monitor</p></td> |
| <td class="parameter_description"><p>a device monitor</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>filter_id</p></td> |
| <td class="parameter_description"><p>the id of the filter</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-device-monitor-remove-filter.returns"></a><h4>Returns</h4> |
| <p> <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> of the filter id was valid, <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise</p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix06.html#api-index-1.4">1.4</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-device-monitor-start"></a><h3>gst_device_monitor_start ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_device_monitor_start (<em class="parameter"><code><a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="type">GstDeviceMonitor</span></a> *monitor</code></em>);</pre> |
| <p>Starts monitoring the devices, one this has succeeded, the |
| <a class="link" href="GstMessage.html#GST-MESSAGE-DEVICE-ADDED:CAPS"><code class="literal">GST_MESSAGE_DEVICE_ADDED</code></a> and <a class="link" href="GstMessage.html#GST-MESSAGE-DEVICE-REMOVED:CAPS"><code class="literal">GST_MESSAGE_DEVICE_REMOVED</code></a> messages |
| will be emitted on the bus when the list of devices changes.</p> |
| <div class="refsect3"> |
| <a name="gst-device-monitor-start.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" 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>monitor</p></td> |
| <td class="parameter_description"><p>A <a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="type">GstDeviceMonitor</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-device-monitor-start.returns"></a><h4>Returns</h4> |
| <p> <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the device monitoring could be started</p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix06.html#api-index-1.4">1.4</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-device-monitor-stop"></a><h3>gst_device_monitor_stop ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_device_monitor_stop (<em class="parameter"><code><a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="type">GstDeviceMonitor</span></a> *monitor</code></em>);</pre> |
| <p>Stops monitoring the devices.</p> |
| <div class="refsect3"> |
| <a name="gst-device-monitor-stop.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" 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>monitor</p></td> |
| <td class="parameter_description"><p>A <a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="type">GstDeviceProvider</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <p class="since">Since: <a class="link" href="ix06.html#api-index-1.4">1.4</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-device-monitor-get-devices"></a><h3>gst_device_monitor_get_devices ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * |
| gst_device_monitor_get_devices (<em class="parameter"><code><a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="type">GstDeviceMonitor</span></a> *monitor</code></em>);</pre> |
| <p>Gets a list of devices from all of the relevant monitors. This may actually |
| probe the hardware if the monitor is not currently started.</p> |
| <div class="refsect3"> |
| <a name="gst-device-monitor-get-devices.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" 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>monitor</p></td> |
| <td class="parameter_description"><p>A <a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="type">GstDeviceProvider</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-device-monitor-get-devices.returns"></a><h4>Returns</h4> |
| <p> a <a href="/usr/share/gtk-doc/html/glibglib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> of |
| <a class="link" href="gstreamer-GstDevice.html#GstDevice" title="struct GstDevice"><span class="type">GstDevice</span></a>. </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> GstDevice]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix06.html#api-index-1.4">1.4</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-device-monitor-get-providers"></a><h3>gst_device_monitor_get_providers ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> ** |
| gst_device_monitor_get_providers (<em class="parameter"><code><a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="type">GstDeviceMonitor</span></a> *monitor</code></em>);</pre> |
| <p>Get a list of the currently selected device provider factories.</p> |
| <p>This</p> |
| <div class="refsect3"> |
| <a name="gst-device-monitor-get-providers.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" 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>monitor</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="type">GstDeviceMonitor</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-device-monitor-get-providers.returns"></a><h4>Returns</h4> |
| <p> A list of device provider factory names that are currently being |
| monitored by <em class="parameter"><code>monitor</code></em> |
| or <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> when nothing is being monitored. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> zero-terminated=1][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> gchar*]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix05.html#api-index-1.6">1.6</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-device-monitor-get-show-all-devices"></a><h3>gst_device_monitor_get_show_all_devices ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_device_monitor_get_show_all_devices |
| (<em class="parameter"><code><a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="type">GstDeviceMonitor</span></a> *monitor</code></em>);</pre> |
| <p>Get if <em class="parameter"><code>monitor</code></em> |
| is curretly showing all devices, even those from hidden |
| providers.</p> |
| <div class="refsect3"> |
| <a name="gst-device-monitor-get-show-all-devices.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" 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>monitor</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="type">GstDeviceMonitor</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-device-monitor-get-show-all-devices.returns"></a><h4>Returns</h4> |
| <p> <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> when all devices will be shown.</p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix05.html#api-index-1.6">1.6</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-device-monitor-set-show-all-devices"></a><h3>gst_device_monitor_set_show_all_devices ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_device_monitor_set_show_all_devices |
| (<em class="parameter"><code><a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="type">GstDeviceMonitor</span></a> *monitor</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> show_all</code></em>);</pre> |
| <p>Set if all devices should be visible, even those devices from hidden |
| providers. Setting <em class="parameter"><code>show_all</code></em> |
| to true might show some devices multiple times.</p> |
| <div class="refsect3"> |
| <a name="gst-device-monitor-set-show-all-devices.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" 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>monitor</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gstreamer-GstDeviceMonitor.html#GstDeviceMonitor" title="struct GstDeviceMonitor"><span class="type">GstDeviceMonitor</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>show_all</p></td> |
| <td class="parameter_description"><p>show all devices</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <p class="since">Since: <a class="link" href="ix05.html#api-index-1.6">1.6</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-device-provider-get-hidden-providers"></a><h3>gst_device_provider_get_hidden_providers ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> ** |
| gst_device_provider_get_hidden_providers |
| (<em class="parameter"><code><a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="type">GstDeviceProvider</span></a> *provider</code></em>);</pre> |
| <p>Get the provider factory names of the <a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="type">GstDeviceProvider</span></a> instances that |
| are hidden by <em class="parameter"><code>provider</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="gst-device-provider-get-hidden-providers.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" 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>provider</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="type">GstDeviceProvider</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-device-provider-get-hidden-providers.returns"></a><h4>Returns</h4> |
| <p> a list of hidden providers factory names or <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> when |
| nothing is hidden by <em class="parameter"><code>provider</code></em> |
| . Free with g_strfreev. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> zero-terminated=1][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> gchar*]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix05.html#api-index-1.6">1.6</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-device-provider-hide-provider"></a><h3>gst_device_provider_hide_provider ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_device_provider_hide_provider (<em class="parameter"><code><a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="type">GstDeviceProvider</span></a> *provider</code></em>, |
| <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>);</pre> |
| <p>Make <em class="parameter"><code>provider</code></em> |
| hide the devices from the factory with <em class="parameter"><code>name</code></em> |
| .</p> |
| <p>This function is used when <em class="parameter"><code>provider</code></em> |
| will also provide the devices reported |
| by provider factory <em class="parameter"><code>name</code></em> |
| . A monitor should stop monitoring the |
| device provider with <em class="parameter"><code>name</code></em> |
| to avoid duplicate devices.</p> |
| <div class="refsect3"> |
| <a name="gst-device-provider-hide-provider.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" 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>provider</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="type">GstDeviceProvider</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>name</p></td> |
| <td class="parameter_description"><p>a provider factory name</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <p class="since">Since: <a class="link" href="ix05.html#api-index-1.6">1.6</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-device-provider-unhide-provider"></a><h3>gst_device_provider_unhide_provider ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_device_provider_unhide_provider (<em class="parameter"><code><a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="type">GstDeviceProvider</span></a> *provider</code></em>, |
| <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>);</pre> |
| <p>Make <em class="parameter"><code>provider</code></em> |
| unhide the devices from factory <em class="parameter"><code>name</code></em> |
| .</p> |
| <p>This function is used when <em class="parameter"><code>provider</code></em> |
| will no longer provide the devices |
| reported by provider factory <em class="parameter"><code>name</code></em> |
| . A monitor should start |
| monitoring the devices from provider factory <em class="parameter"><code>name</code></em> |
| in order to see |
| all devices again.</p> |
| <div class="refsect3"> |
| <a name="gst-device-provider-unhide-provider.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" 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>provider</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="type">GstDeviceProvider</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>name</p></td> |
| <td class="parameter_description"><p>a provider factory name</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <p class="since">Since: <a class="link" href="ix05.html#api-index-1.6">1.6</a></p> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstDeviceMonitor.other_details"></a><h2>Types and Values</h2> |
| <div class="refsect2"> |
| <a name="GstDeviceMonitor"></a><h3>struct GstDeviceMonitor</h3> |
| <pre class="programlisting">struct GstDeviceMonitor { |
| GstObject parent; |
| }; |
| </pre> |
| <p>Opaque device monitor object structure.</p> |
| <div class="refsect3"> |
| <a name="GstDeviceMonitor.members"></a><h4>Members</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="300px" class="struct_members_name"> |
| <col class="struct_members_description"> |
| <col width="200px" class="struct_members_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="struct_member_name"><p><a class="link" href="GstObject.html" title="GstObject"><span class="type">GstObject</span></a> <em class="structfield"><code><a name="GstDeviceMonitor.parent"></a>parent</code></em>;</p></td> |
| <td class="struct_member_description"><p>the parent <a class="link" href="GstObject.html" title="GstObject"><span class="type">GstObject</span></a> structure</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <p class="since">Since: <a class="link" href="ix06.html#api-index-1.4">1.4</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstDeviceMonitorClass"></a><h3>struct GstDeviceMonitorClass</h3> |
| <pre class="programlisting">struct GstDeviceMonitorClass { |
| GstObjectClass parent_class; |
| }; |
| </pre> |
| <p>Opaque device monitor class structure.</p> |
| <div class="refsect3"> |
| <a name="GstDeviceMonitorClass.members"></a><h4>Members</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="300px" class="struct_members_name"> |
| <col class="struct_members_description"> |
| <col width="200px" class="struct_members_annotations"> |
| </colgroup> |
| <tbody></tbody> |
| </table></div> |
| </div> |
| <p class="since">Since: <a class="link" href="ix06.html#api-index-1.4">1.4</a></p> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstDeviceMonitor.see-also"></a><h2>See Also</h2> |
| <p><a class="link" href="gstreamer-GstDevice.html#GstDevice" title="struct GstDevice"><span class="type">GstDevice</span></a>, <a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="type">GstDeviceProvider</span></a></p> |
| </div> |
| </div> |
| <div class="footer"> |
| <hr>Generated by GTK-Doc V1.25</div> |
| </body> |
| </html> |
