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.PluginFeature; 26 27 private import glib.ListG; 28 private import glib.Str; 29 private import gobject.ObjectG; 30 private import gstreamer.ObjectGst; 31 private import gstreamer.Plugin; 32 private import gstreamer.c.functions; 33 public import gstreamer.c.types; 34 public import gstreamerc.gstreamertypes; 35 36 37 /** 38 * This is a base class for anything that can be added to a #GstPlugin. 39 */ 40 public class PluginFeature : ObjectGst 41 { 42 /** the main Gtk struct */ 43 protected GstPluginFeature* gstPluginFeature; 44 45 /** Get the main Gtk struct */ 46 public GstPluginFeature* getPluginFeatureStruct(bool transferOwnership = false) 47 { 48 if (transferOwnership) 49 ownedRef = false; 50 return gstPluginFeature; 51 } 52 53 /** the main Gtk struct as a void* */ 54 protected override void* getStruct() 55 { 56 return cast(void*)gstPluginFeature; 57 } 58 59 protected override void setStruct(GObject* obj) 60 { 61 gstPluginFeature = cast(GstPluginFeature*)obj; 62 super.setStruct(obj); 63 } 64 65 /** 66 * Sets our main struct and passes it to the parent class. 67 */ 68 public this (GstPluginFeature* gstPluginFeature, bool ownedRef = false) 69 { 70 this.gstPluginFeature = gstPluginFeature; 71 super(cast(GstObject*)gstPluginFeature, ownedRef); 72 } 73 74 75 /** */ 76 public static GType getType() 77 { 78 return gst_plugin_feature_get_type(); 79 } 80 81 /** 82 * Copies the list of features. Caller should call @gst_plugin_feature_list_free 83 * when done with the list. 84 * 85 * Params: 86 * list = list 87 * of #GstPluginFeature 88 * 89 * Returns: a copy of @list, 90 * with each feature's reference count incremented. 91 */ 92 public static ListG listCopy(ListG list) 93 { 94 auto p = gst_plugin_feature_list_copy((list is null) ? null : list.getListGStruct()); 95 96 if(p is null) 97 { 98 return null; 99 } 100 101 return new ListG(cast(GList*) p, true); 102 } 103 104 /** 105 * Debug the plugin feature names in @list. 106 * 107 * Params: 108 * list = a #GList of 109 * plugin features 110 */ 111 public static void listDebug(ListG list) 112 { 113 gst_plugin_feature_list_debug((list is null) ? null : list.getListGStruct()); 114 } 115 116 /** 117 * Unrefs each member of @list, then frees the list. 118 * 119 * Params: 120 * list = list 121 * of #GstPluginFeature 122 */ 123 public static void listFree(ListG list) 124 { 125 gst_plugin_feature_list_free((list is null) ? null : list.getListGStruct()); 126 } 127 128 /** 129 * Compares the two given #GstPluginFeature instances. This function can be 130 * used as a #GCompareFunc when sorting by rank and then by name. 131 * 132 * Params: 133 * p1 = a #GstPluginFeature 134 * p2 = a #GstPluginFeature 135 * 136 * Returns: negative value if the rank of p1 > the rank of p2 or the ranks are 137 * equal but the name of p1 comes before the name of p2; zero if the rank 138 * and names are equal; positive value if the rank of p1 < the rank of p2 or the 139 * ranks are equal but the name of p2 comes before the name of p1 140 */ 141 public static int rankCompareFunc(void* p1, void* p2) 142 { 143 return gst_plugin_feature_rank_compare_func(p1, p2); 144 } 145 146 /** 147 * Checks whether the given plugin feature is at least 148 * the required version 149 * 150 * Params: 151 * minMajor = minimum required major version 152 * minMinor = minimum required minor version 153 * minMicro = minimum required micro version 154 * 155 * Returns: %TRUE if the plugin feature has at least 156 * the required version, otherwise %FALSE. 157 */ 158 public bool checkVersion(uint minMajor, uint minMinor, uint minMicro) 159 { 160 return gst_plugin_feature_check_version(gstPluginFeature, minMajor, minMinor, minMicro) != 0; 161 } 162 163 /** 164 * Get the plugin that provides this feature. 165 * 166 * Returns: the plugin that provides this 167 * feature, or %NULL. Unref with gst_object_unref() when no 168 * longer needed. 169 */ 170 public Plugin getPlugin() 171 { 172 auto p = gst_plugin_feature_get_plugin(gstPluginFeature); 173 174 if(p is null) 175 { 176 return null; 177 } 178 179 return ObjectG.getDObject!(Plugin)(cast(GstPlugin*) p, true); 180 } 181 182 /** 183 * Get the name of the plugin that provides this feature. 184 * 185 * Returns: the name of the plugin that provides this 186 * feature, or %NULL if the feature is not associated with a 187 * plugin. 188 * 189 * Since: 1.2 190 */ 191 public string getPluginName() 192 { 193 return Str.toString(gst_plugin_feature_get_plugin_name(gstPluginFeature)); 194 } 195 196 /** 197 * Gets the rank of a plugin feature. 198 * 199 * Returns: The rank of the feature 200 */ 201 public uint getRank() 202 { 203 return gst_plugin_feature_get_rank(gstPluginFeature); 204 } 205 206 /** 207 * Loads the plugin containing @feature if it's not already loaded. @feature is 208 * unaffected; use the return value instead. 209 * 210 * Normally this function is used like this: 211 * |[<!-- language="C" --> 212 * GstPluginFeature *loaded_feature; 213 * 214 * loaded_feature = gst_plugin_feature_load (feature); 215 * // presumably, we're no longer interested in the potentially-unloaded feature 216 * gst_object_unref (feature); 217 * feature = loaded_feature; 218 * ]| 219 * 220 * Returns: a reference to the loaded 221 * feature, or %NULL on error 222 */ 223 public PluginFeature load() 224 { 225 auto p = gst_plugin_feature_load(gstPluginFeature); 226 227 if(p is null) 228 { 229 return null; 230 } 231 232 return ObjectG.getDObject!(PluginFeature)(cast(GstPluginFeature*) p, true); 233 } 234 235 /** 236 * Specifies a rank for a plugin feature, so that autoplugging uses 237 * the most appropriate feature. 238 * 239 * Params: 240 * rank = rank value - higher number means more priority rank 241 */ 242 public void setRank(uint rank) 243 { 244 gst_plugin_feature_set_rank(gstPluginFeature, rank); 245 } 246 }