QtGStreamer 0.10.1
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00001 /* 00002 Copyright (C) 2010 George Kiagiadakis <kiagiadakis.george@gmail.com> 00003 00004 This library is free software; you can redistribute it and/or modify 00005 it under the terms of the GNU Lesser General Public License as published 00006 by the Free Software Foundation; either version 2.1 of the License, or 00007 (at your option) any later version. 00008 00009 This program is distributed in the hope that it will be useful, 00010 but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 GNU General Public License for more details. 00013 00014 You should have received a copy of the GNU Lesser General Public License 00015 along with this program. If not, see <http://www.gnu.org/licenses/>. 00016 */ 00017 #include "childproxy.h" 00018 #include <gst/gstobject.h> 00019 #include <gst/gstchildproxy.h> 00020 00021 namespace QGst { 00022 00023 uint ChildProxy::childrenCount() const 00024 { 00025 return gst_child_proxy_get_children_count(object<GstChildProxy>()); 00026 } 00027 00028 ObjectPtr ChildProxy::childByName(const char *name) const 00029 { 00030 return ObjectPtr::wrap(gst_child_proxy_get_child_by_name(object<GstChildProxy>(), name), false); 00031 } 00032 00033 ObjectPtr ChildProxy::childByIndex(uint index) const 00034 { 00035 return ObjectPtr::wrap(gst_child_proxy_get_child_by_index(object<GstChildProxy>(), index), false); 00036 } 00037 00038 bool ChildProxy::findChildProperty(const char *name, ObjectPtr *obj, QGlib::ParamSpecPtr *paramSpec) const 00039 { 00040 GstObject *op; 00041 GParamSpec *pp; 00042 bool result = gst_child_proxy_lookup(object<GstObject>(), name, &op, &pp); 00043 if (result) { 00044 *obj = ObjectPtr::wrap(op, false); 00045 *paramSpec = QGlib::ParamSpecPtr::wrap(pp, false); 00046 } 00047 return result; 00048 } 00049 00050 QGlib::Value ChildProxy::childProperty(const char *name) const 00051 { 00052 QGlib::ParamSpecPtr param; 00053 ObjectPtr object; 00054 if (findChildProperty(name, &object, ¶m)) { 00055 return object->property(param->name().toUtf8()); 00056 } else { 00057 return QGlib::Value(); 00058 } 00059 } 00060 00061 }