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 * Conversion parameters: 26 * inFile = GstGhostPad.html 27 * outPack = gstreamer 28 * outFile = GhostPad 29 * strct = GstGhostPad 30 * realStrct= 31 * ctorStrct=GstPad 32 * clss = GhostPad 33 * interf = 34 * class Code: No 35 * interface Code: No 36 * template for: 37 * extend = GstPad 38 * implements: 39 * prefixes: 40 * - gst_ghost_pad_ 41 * - gst_ 42 * omit structs: 43 * omit prefixes: 44 * omit code: 45 * omit signals: 46 * imports: 47 * - glib.Str 48 * - gstreamer.Pad 49 * - gstreamer.PadTemplate 50 * structWrap: 51 * - GstGhostPad* -> GhostPad 52 * - GstPad* -> Pad 53 * - GstPadTemplate* -> PadTemplate 54 * module aliases: 55 * local aliases: 56 * overrides: 57 */ 58 59 module gstreamer.GhostPad; 60 61 public import gstreamerc.gstreamertypes; 62 63 private import gstreamerc.gstreamer; 64 private import glib.ConstructionException; 65 private import gobject.ObjectG; 66 67 68 private import glib.Str; 69 private import gstreamer.Pad; 70 private import gstreamer.PadTemplate; 71 72 73 74 private import gstreamer.Pad; 75 76 /** 77 * Description 78 * GhostPads are useful when organizing pipelines with GstBin like elements. 79 * The idea here is to create hierarchical element graphs. The bin element 80 * contains a sub-graph. Now one would like to treat the bin-element like other 81 * GstElements. This is where GhostPads come into play. A GhostPad acts as a 82 * proxy for another pad. Thus the bin can have sink and source ghost-pads that 83 * are associated with sink and source pads of the child elements. 84 * If the target pad is known at creation time, gst_ghost_pad_new() is the 85 * function to use to get a ghost-pad. Otherwise one can use gst_ghost_pad_new_no_target() 86 * to create the ghost-pad and use gst_ghost_pad_set_target() to establish the 87 * association later on. 88 * Note that GhostPads add overhead to the data processing of a pipeline. 89 * Last reviewed on 2005-11-18 (0.9.5) 90 */ 91 public class GhostPad : Pad 92 { 93 94 /** the main Gtk struct */ 95 protected GstGhostPad* gstGhostPad; 96 97 98 public GstGhostPad* getGhostPadStruct() 99 { 100 return gstGhostPad; 101 } 102 103 104 /** the main Gtk struct as a void* */ 105 protected override void* getStruct() 106 { 107 return cast(void*)gstGhostPad; 108 } 109 110 /** 111 * Sets our main struct and passes it to the parent class 112 */ 113 public this (GstGhostPad* gstGhostPad) 114 { 115 super(cast(GstPad*)gstGhostPad); 116 this.gstGhostPad = gstGhostPad; 117 } 118 119 protected override void setStruct(GObject* obj) 120 { 121 super.setStruct(obj); 122 gstGhostPad = cast(GstGhostPad*)obj; 123 } 124 125 /** 126 */ 127 128 /** 129 * Create a new ghostpad with target as the target. The direction will be taken 130 * from the target pad. target must be unlinked. 131 * Will ref the target. 132 * Params: 133 * name = the name of the new pad, or NULL to assign a default name. 134 * target = the pad to ghost. 135 * Throws: ConstructionException GTK+ fails to create the object. 136 */ 137 public this (string name, Pad target) 138 { 139 // GstPad* gst_ghost_pad_new (const gchar *name, GstPad *target); 140 auto p = gst_ghost_pad_new(Str.toStringz(name), (target is null) ? null : target.getPadStruct()); 141 if(p is null) 142 { 143 throw new ConstructionException("null returned by gst_ghost_pad_new(Str.toStringz(name), (target is null) ? null : target.getPadStruct())"); 144 } 145 this(cast(GstGhostPad*) p); 146 } 147 148 /** 149 * Create a new ghostpad without a target with the given direction. 150 * A target can be set on the ghostpad later with the 151 * gst_ghost_pad_set_target() function. 152 * The created ghostpad will not have a padtemplate. 153 * Params: 154 * name = the name of the new pad, or NULL to assign a default name. 155 * dir = the direction of the ghostpad 156 * Throws: ConstructionException GTK+ fails to create the object. 157 */ 158 public this (string name, GstPadDirection dir) 159 { 160 // GstPad* gst_ghost_pad_new_no_target (const gchar *name, GstPadDirection dir); 161 auto p = gst_ghost_pad_new_no_target(Str.toStringz(name), dir); 162 if(p is null) 163 { 164 throw new ConstructionException("null returned by gst_ghost_pad_new_no_target(Str.toStringz(name), dir)"); 165 } 166 this(cast(GstGhostPad*) p); 167 } 168 169 /** 170 * Create a new ghostpad with target as the target. The direction will be taken 171 * from the target pad. The template used on the ghostpad will be template. 172 * Will ref the target. 173 * Params: 174 * name = the name of the new pad, or NULL to assign a default name. 175 * target = the pad to ghost. 176 * templ = the GstPadTemplate to use on the ghostpad. 177 * Throws: ConstructionException GTK+ fails to create the object. 178 */ 179 public this (string name, Pad target, PadTemplate templ) 180 { 181 // GstPad* gst_ghost_pad_new_from_template (const gchar *name, GstPad *target, GstPadTemplate *templ); 182 auto p = gst_ghost_pad_new_from_template(Str.toStringz(name), (target is null) ? null : target.getPadStruct(), (templ is null) ? null : templ.getPadTemplateStruct()); 183 if(p is null) 184 { 185 throw new ConstructionException("null returned by gst_ghost_pad_new_from_template(Str.toStringz(name), (target is null) ? null : target.getPadStruct(), (templ is null) ? null : templ.getPadTemplateStruct())"); 186 } 187 this(cast(GstGhostPad*) p); 188 } 189 190 /** 191 * Create a new ghostpad based on templ, without setting a target. The 192 * direction will be taken from the templ. 193 * Params: 194 * name = the name of the new pad, or NULL to assign a default name. 195 * templ = the GstPadTemplate to create the ghostpad from. 196 * Throws: ConstructionException GTK+ fails to create the object. 197 */ 198 public this (string name, PadTemplate templ) 199 { 200 // GstPad* gst_ghost_pad_new_no_target_from_template (const gchar *name, GstPadTemplate *templ); 201 auto p = gst_ghost_pad_new_no_target_from_template(Str.toStringz(name), (templ is null) ? null : templ.getPadTemplateStruct()); 202 if(p is null) 203 { 204 throw new ConstructionException("null returned by gst_ghost_pad_new_no_target_from_template(Str.toStringz(name), (templ is null) ? null : templ.getPadTemplateStruct())"); 205 } 206 this(cast(GstGhostPad*) p); 207 } 208 209 /** 210 * Set the new target of the ghostpad gpad. Any existing target 211 * is unlinked and links to the new target are established. 212 * Params: 213 * newtarget = the new pad target 214 * Returns: TRUE if the new target could be set. This function can return FALSE when the internal pads could not be linked. 215 */ 216 public int setTarget(Pad newtarget) 217 { 218 // gboolean gst_ghost_pad_set_target (GstGhostPad *gpad, GstPad *newtarget); 219 return gst_ghost_pad_set_target(gstGhostPad, (newtarget is null) ? null : newtarget.getPadStruct()); 220 } 221 222 /** 223 * Get the target pad of gpad. Unref target pad after usage. 224 * Returns: the target GstPad, can be NULL if the ghostpad has no target set. Unref target pad after usage. 225 */ 226 public Pad getTarget() 227 { 228 // GstPad* gst_ghost_pad_get_target (GstGhostPad *gpad); 229 auto p = gst_ghost_pad_get_target(gstGhostPad); 230 231 if(p is null) 232 { 233 return null; 234 } 235 236 return ObjectG.getDObject!(Pad)(cast(GstPad*) p); 237 } 238 }