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 = GstControlBinding.html 27 * outPack = gstreamer 28 * outFile = ControlBinding 29 * strct = GstControlBinding 30 * realStrct= 31 * ctorStrct= 32 * clss = ControlBinding 33 * interf = 34 * class Code: No 35 * interface Code: No 36 * template for: 37 * extend = 38 * implements: 39 * prefixes: 40 * - gst_control_binding_ 41 * omit structs: 42 * omit prefixes: 43 * omit code: 44 * omit signals: 45 * imports: 46 * - gobject.Value 47 * - gstreamer.ObjectGst 48 * structWrap: 49 * - GValue* -> Value 50 * - GstObject* -> ObjectGst 51 * module aliases: 52 * local aliases: 53 * overrides: 54 */ 55 56 module gstreamer.ControlBinding; 57 58 public import gstreamerc.gstreamertypes; 59 60 private import gstreamerc.gstreamer; 61 private import glib.ConstructionException; 62 private import gobject.ObjectG; 63 64 65 private import gobject.Value; 66 private import gstreamer.ObjectGst; 67 68 69 70 private import gstreamer.ObjectGst; 71 72 /** 73 * A base class for value mapping objects that attaches control sources to gobject 74 * properties. Such an object is taking one or more GstControlSource instances, 75 * combines them and maps the resulting value to the type and value range of the 76 * bound property. 77 */ 78 public class ControlBinding : ObjectGst 79 { 80 81 /** the main Gtk struct */ 82 protected GstControlBinding* gstControlBinding; 83 84 85 public GstControlBinding* getControlBindingStruct() 86 { 87 return gstControlBinding; 88 } 89 90 91 /** the main Gtk struct as a void* */ 92 protected override void* getStruct() 93 { 94 return cast(void*)gstControlBinding; 95 } 96 97 /** 98 * Sets our main struct and passes it to the parent class 99 */ 100 public this (GstControlBinding* gstControlBinding) 101 { 102 super(cast(GstObject*)gstControlBinding); 103 this.gstControlBinding = gstControlBinding; 104 } 105 106 protected override void setStruct(GObject* obj) 107 { 108 super.setStruct(obj); 109 gstControlBinding = cast(GstControlBinding*)obj; 110 } 111 112 /** 113 */ 114 115 /** 116 * Sets the property of the object, according to the GstControlSources that 117 * handle them and for the given timestamp. 118 * If this function fails, it is most likely the application developers fault. 119 * Most probably the control sources are not setup correctly. 120 * Params: 121 * object = the object that has controlled properties 122 * timestamp = the time that should be processed 123 * lastSync = the last time this was called 124 * Returns: TRUE if the controller value could be applied to the object property, FALSE otherwise 125 */ 126 public int syncValues(ObjectGst object, GstClockTime timestamp, GstClockTime lastSync) 127 { 128 // gboolean gst_control_binding_sync_values (GstControlBinding *binding, GstObject *object, GstClockTime timestamp, GstClockTime last_sync); 129 return gst_control_binding_sync_values(gstControlBinding, (object is null) ? null : object.getObjectGstStruct(), timestamp, lastSync); 130 } 131 132 /** 133 * Gets the value for the given controlled property at the requested time. 134 * Params: 135 * timestamp = the time the control-change should be read from 136 * Returns: the GValue of the property at the given time, or NULL if the property isn't controlled. 137 */ 138 public Value getValue(GstClockTime timestamp) 139 { 140 // GValue * gst_control_binding_get_value (GstControlBinding *binding, GstClockTime timestamp); 141 auto p = gst_control_binding_get_value(gstControlBinding, timestamp); 142 143 if(p is null) 144 { 145 return null; 146 } 147 148 return ObjectG.getDObject!(Value)(cast(GValue*) p); 149 } 150 151 /** 152 * Gets a number of values for the given controlled property starting at the 153 * requested time. The array values need to hold enough space for n_values of 154 * the same type as the objects property's type. 155 * This function is useful if one wants to e.g. draw a graph of the control 156 * curve or apply a control curve sample by sample. 157 * The values are unboxed and ready to be used. The similar function 158 * gst_control_binding_get_g_value_array() returns the array as GValues and is 159 * more suitable for bindings. 160 * Params: 161 * timestamp = the time that should be processed 162 * interval = the time spacing between subsequent values 163 * values = array to put control-values in 164 * Returns: TRUE if the given array could be filled, FALSE otherwise 165 */ 166 public int getValueArray(GstClockTime timestamp, GstClockTime interval, void[] values) 167 { 168 // gboolean gst_control_binding_get_value_array (GstControlBinding *binding, GstClockTime timestamp, GstClockTime interval, guint n_values, gpointer values); 169 return gst_control_binding_get_value_array(gstControlBinding, timestamp, interval, cast(int) values.length, values.ptr); 170 } 171 172 /** 173 * Gets a number of GValues for the given controlled property starting at the 174 * requested time. The array values need to hold enough space for n_values of 175 * GValue. 176 * This function is useful if one wants to e.g. draw a graph of the control 177 * curve or apply a control curve sample by sample. 178 * Params: 179 * timestamp = the time that should be processed 180 * interval = the time spacing between subsequent values 181 * values = array to put control-values in 182 * Returns: TRUE if the given array could be filled, FALSE otherwise 183 */ 184 public int getGValueArray(GstClockTime timestamp, GstClockTime interval, GValue[] values) 185 { 186 // gboolean gst_control_binding_get_g_value_array (GstControlBinding *binding, GstClockTime timestamp, GstClockTime interval, guint n_values, GValue *values); 187 return gst_control_binding_get_g_value_array(gstControlBinding, timestamp, interval, cast(int) values.length, values.ptr); 188 } 189 190 /** 191 * This function is used to disable a control binding for some time, i.e. 192 * gst_object_sync_values() will do nothing. 193 * Params: 194 * disabled = boolean that specifies whether to disable the controller 195 * or not. 196 */ 197 public void setDisabled(int disabled) 198 { 199 // void gst_control_binding_set_disabled (GstControlBinding *binding, gboolean disabled); 200 gst_control_binding_set_disabled(gstControlBinding, disabled); 201 } 202 203 /** 204 * Check if the control binding is disabled. 205 * Returns: TRUE if the binding is inactive 206 */ 207 public int isDisabled() 208 { 209 // gboolean gst_control_binding_is_disabled (GstControlBinding *binding); 210 return gst_control_binding_is_disabled(gstControlBinding); 211 } 212 }