1 /*
2  * This file is part of gtkD.
3  *
4  * gtkD is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU Lesser General Public License
6  * as published by the Free Software Foundation; either version 3
7  * of the License, or (at your option) any later version, with
8  * some exceptions, please read the COPYING file.
9  *
10  * gtkD is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public License
16  * along with gtkD; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
18  */
19 
20 // generated automatically - do not change
21 // find conversion definition on APILookup.txt
22 // implement new conversion functionalities on the wrap.utils pakage
23 
24 
25 module gstreamer.Device;
26 
27 private import glib.Str;
28 private import gobject.ObjectG;
29 private import gobject.Signals;
30 private import gstreamer.Caps;
31 private import gstreamer.Element;
32 private import gstreamer.ObjectGst;
33 private import gstreamer.Structure;
34 private import gstreamer.c.functions;
35 public  import gstreamer.c.types;
36 public  import gstreamerc.gstreamertypes;
37 private import std.algorithm;
38 
39 
40 /**
41  * #GstDevice are objects representing a device, they contain
42  * relevant metadata about the device, such as its class and the #GstCaps
43  * representing the media types it can produce or handle.
44  * 
45  * #GstDevice are created by #GstDeviceProvider objects which can be
46  * aggregated by #GstDeviceMonitor objects.
47  *
48  * Since: 1.4
49  */
50 public class Device : ObjectGst
51 {
52 	/** the main Gtk struct */
53 	protected GstDevice* gstDevice;
54 
55 	/** Get the main Gtk struct */
56 	public GstDevice* getDeviceStruct(bool transferOwnership = false)
57 	{
58 		if (transferOwnership)
59 			ownedRef = false;
60 		return gstDevice;
61 	}
62 
63 	/** the main Gtk struct as a void* */
64 	protected override void* getStruct()
65 	{
66 		return cast(void*)gstDevice;
67 	}
68 
69 	/**
70 	 * Sets our main struct and passes it to the parent class.
71 	 */
72 	public this (GstDevice* gstDevice, bool ownedRef = false)
73 	{
74 		this.gstDevice = gstDevice;
75 		super(cast(GstObject*)gstDevice, ownedRef);
76 	}
77 
78 
79 	/** */
80 	public static GType getType()
81 	{
82 		return gst_device_get_type();
83 	}
84 
85 	/**
86 	 * Creates the element with all of the required parameters set to use
87 	 * this device.
88 	 *
89 	 * Params:
90 	 *     name = name of new element, or %NULL to automatically
91 	 *         create a unique name.
92 	 *
93 	 * Returns: a new #GstElement configured to use
94 	 *     this device
95 	 *
96 	 * Since: 1.4
97 	 */
98 	public Element createElement(string name)
99 	{
100 		auto p = gst_device_create_element(gstDevice, Str.toStringz(name));
101 
102 		if(p is null)
103 		{
104 			return null;
105 		}
106 
107 		return ObjectG.getDObject!(Element)(cast(GstElement*) p, true);
108 	}
109 
110 	/**
111 	 * Getter for the #GstCaps that this device supports.
112 	 *
113 	 * Returns: The #GstCaps supported by this device. Unref with
114 	 *     gst_caps_unref() when done.
115 	 *
116 	 * Since: 1.4
117 	 */
118 	public Caps getCaps()
119 	{
120 		auto p = gst_device_get_caps(gstDevice);
121 
122 		if(p is null)
123 		{
124 			return null;
125 		}
126 
127 		return ObjectG.getDObject!(Caps)(cast(GstCaps*) p, true);
128 	}
129 
130 	/**
131 	 * Gets the "class" of a device. This is a "/" separated list of
132 	 * classes that represent this device. They are a subset of the
133 	 * classes of the #GstDeviceProvider that produced this device.
134 	 *
135 	 * Returns: The device class. Free with g_free() after use.
136 	 *
137 	 * Since: 1.4
138 	 */
139 	public string getDeviceClass()
140 	{
141 		auto retStr = gst_device_get_device_class(gstDevice);
142 
143 		scope(exit) Str.freeString(retStr);
144 		return Str.toString(retStr);
145 	}
146 
147 	/**
148 	 * Gets the user-friendly name of the device.
149 	 *
150 	 * Returns: The device name. Free with g_free() after use.
151 	 *
152 	 * Since: 1.4
153 	 */
154 	public string getDisplayName()
155 	{
156 		auto retStr = gst_device_get_display_name(gstDevice);
157 
158 		scope(exit) Str.freeString(retStr);
159 		return Str.toString(retStr);
160 	}
161 
162 	/**
163 	 * Gets the extra properties of a device.
164 	 *
165 	 * Returns: The extra properties or %NULL when there are none.
166 	 *     Free with gst_structure_free() after use.
167 	 *
168 	 * Since: 1.6
169 	 */
170 	public Structure getProperties()
171 	{
172 		auto p = gst_device_get_properties(gstDevice);
173 
174 		if(p is null)
175 		{
176 			return null;
177 		}
178 
179 		return ObjectG.getDObject!(Structure)(cast(GstStructure*) p, true);
180 	}
181 
182 	/**
183 	 * Check if @device matches all of the given classes
184 	 *
185 	 * Params:
186 	 *     classes = a "/"-separated list of device classes to match, only match if
187 	 *         all classes are matched
188 	 *
189 	 * Returns: %TRUE if @device matches.
190 	 *
191 	 * Since: 1.4
192 	 */
193 	public bool hasClasses(string classes)
194 	{
195 		return gst_device_has_classes(gstDevice, Str.toStringz(classes)) != 0;
196 	}
197 
198 	/**
199 	 * Check if @factory matches all of the given classes
200 	 *
201 	 * Params:
202 	 *     classes = a %NULL terminated array of classes
203 	 *         to match, only match if all classes are matched
204 	 *
205 	 * Returns: %TRUE if @device matches.
206 	 *
207 	 * Since: 1.4
208 	 */
209 	public bool hasClassesv(string[] classes)
210 	{
211 		return gst_device_has_classesv(gstDevice, Str.toStringzArray(classes)) != 0;
212 	}
213 
214 	/**
215 	 * Tries to reconfigure an existing element to use the device. If this
216 	 * function fails, then one must destroy the element and create a new one
217 	 * using gst_device_create_element().
218 	 *
219 	 * Note: This should only be implemented for elements can change their
220 	 * device in the PLAYING state.
221 	 *
222 	 * Params:
223 	 *     element = a #GstElement
224 	 *
225 	 * Returns: %TRUE if the element could be reconfigured to use this device,
226 	 *     %FALSE otherwise.
227 	 *
228 	 * Since: 1.4
229 	 */
230 	public bool reconfigureElement(Element element)
231 	{
232 		return gst_device_reconfigure_element(gstDevice, (element is null) ? null : element.getElementStruct()) != 0;
233 	}
234 
235 	/** */
236 	gulong addOnRemoved(void delegate(Device) dlg, ConnectFlags connectFlags=cast(ConnectFlags)0)
237 	{
238 		return Signals.connect(this, "removed", dlg, connectFlags ^ ConnectFlags.SWAPPED);
239 	}
240 }