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 gstreamerc.gstreamer; 34 public import gstreamerc.gstreamertypes; 35 public import gtkc.gdktypes; 36 37 38 /** 39 * #GstDevice are objects representing a device, they contain 40 * relevant metadata about the device, such as its class and the #GstCaps 41 * representing the media types it can produce or handle. 42 * 43 * #GstDevice are created by #GstDeviceProvider objects which can be 44 * aggregated by #GstDeviceMonitor objects. 45 * 46 * Since: 1.4 47 */ 48 public class Device : ObjectGst 49 { 50 /** the main Gtk struct */ 51 protected GstDevice* gstDevice; 52 53 /** Get the main Gtk struct */ 54 public GstDevice* getDeviceStruct() 55 { 56 return gstDevice; 57 } 58 59 /** the main Gtk struct as a void* */ 60 protected override void* getStruct() 61 { 62 return cast(void*)gstDevice; 63 } 64 65 protected override void setStruct(GObject* obj) 66 { 67 gstDevice = cast(GstDevice*)obj; 68 super.setStruct(obj); 69 } 70 71 /** 72 * Sets our main struct and passes it to the parent class. 73 */ 74 public this (GstDevice* gstDevice, bool ownedRef = false) 75 { 76 this.gstDevice = gstDevice; 77 super(cast(GstObject*)gstDevice, ownedRef); 78 } 79 80 /** 81 */ 82 83 public static GType getType() 84 { 85 return gst_device_get_type(); 86 } 87 88 /** 89 * Creates the element with all of the required paramaters set to use 90 * this device. 91 * 92 * Params: 93 * name = name of new element, or %NULL to automatically 94 * create a unique name. 95 * 96 * Return: a new #GstElement configured to use this device 97 * 98 * Since: 1.4 99 */ 100 public Element createElement(string name) 101 { 102 auto p = gst_device_create_element(gstDevice, Str.toStringz(name)); 103 104 if(p is null) 105 { 106 return null; 107 } 108 109 return ObjectG.getDObject!(Element)(cast(GstElement*) p, true); 110 } 111 112 /** 113 * Getter for the #GstCaps that this device supports. 114 * 115 * Return: The #GstCaps supported by this device. Unref with 116 * gst_caps_unref() when done. 117 * 118 * Since: 1.4 119 */ 120 public Caps getCaps() 121 { 122 auto p = gst_device_get_caps(gstDevice); 123 124 if(p is null) 125 { 126 return null; 127 } 128 129 return ObjectG.getDObject!(Caps)(cast(GstCaps*) p); 130 } 131 132 /** 133 * Gets the "class" of a device. This is a "/" separated list of 134 * classes that represent this device. They are a subset of the 135 * classes of the #GstDeviceProvider that produced this device. 136 * 137 * Return: The device class. Free with g_free() after use. 138 * 139 * Since: 1.4 140 */ 141 public string getDeviceClass() 142 { 143 return Str.toString(gst_device_get_device_class(gstDevice)); 144 } 145 146 /** 147 * Gets the user-friendly name of the device. 148 * 149 * Return: The device name. Free with g_free() after use. 150 * 151 * Since: 1.4 152 */ 153 public string getDisplayName() 154 { 155 return Str.toString(gst_device_get_display_name(gstDevice)); 156 } 157 158 /** 159 * Check if @device matches all of the given classes 160 * 161 * Params: 162 * classes = a "/" separate list of device classes to match, only match if 163 * all classes are matched 164 * 165 * Return: %TRUE if @device matches. 166 * 167 * Since: 1.4 168 */ 169 public bool hasClasses(string classes) 170 { 171 return gst_device_has_classes(gstDevice, Str.toStringz(classes)) != 0; 172 } 173 174 /** 175 * Check if @factory matches all of the given classes 176 * 177 * Params: 178 * classes = a %NULL terminated array of classes to match, only match if all 179 * classes are matched 180 * 181 * Return: %TRUE if @device matches. 182 * 183 * Since: 1.4 184 */ 185 public bool hasClassesv(string[] classes) 186 { 187 return gst_device_has_classesv(gstDevice, Str.toStringzArray(classes)) != 0; 188 } 189 190 /** 191 * Tries to reconfigure an existing element to use the device. If this 192 * function fails, then one must destroy the element and create a new one 193 * using gst_device_create_element(). 194 * 195 * Note: This should only be implemented for elements can change their 196 * device in the PLAYING state. 197 * 198 * Params: 199 * element = a #GstElement 200 * 201 * Return: %TRUE if the element could be reconfigured to use this device, 202 * %FALSE otherwise. 203 * 204 * Since: 1.4 205 */ 206 public bool reconfigureElement(Element element) 207 { 208 return gst_device_reconfigure_element(gstDevice, (element is null) ? null : element.getElementStruct()) != 0; 209 } 210 211 int[string] connectedSignals; 212 213 void delegate(Device)[] onRemovedListeners; 214 void addOnRemoved(void delegate(Device) dlg, ConnectFlags connectFlags=cast(ConnectFlags)0) 215 { 216 if ( "removed" !in connectedSignals ) 217 { 218 Signals.connectData( 219 this, 220 "removed", 221 cast(GCallback)&callBackRemoved, 222 cast(void*)this, 223 null, 224 connectFlags); 225 connectedSignals["removed"] = 1; 226 } 227 onRemovedListeners ~= dlg; 228 } 229 extern(C) static void callBackRemoved(GstDevice* deviceStruct, Device _device) 230 { 231 foreach ( void delegate(Device) dlg; _device.onRemovedListeners ) 232 { 233 dlg(_device); 234 } 235 } 236 }