obs-studio/libobs/obs.hpp

73 lines
2.3 KiB
C++

/******************************************************************************
Copyright (C) 2013 by Hugh Bailey <obs.jim@gmail.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
/* Useful C++ classes and bindings for base obs data */
#pragma once
#include "obs.h"
/* RAII wrappers */
template<typename T, void addref(T), void release(T)>
class OBSRef {
T val;
inline OBSRef &Replace(T valIn)
{
addref(valIn);
release(val);
val = valIn;
return *this;
}
public:
inline OBSRef() : val(nullptr) {}
inline OBSRef(T val_) : val(val_) {addref(val);}
inline OBSRef(const OBSRef &ref) : val(ref.val) {addref(val);}
inline OBSRef(OBSRef &&ref) : val(ref.val) {ref.val = nullptr;}
inline ~OBSRef() {release(val);}
inline OBSRef &operator=(T valIn) {return Replace(valIn);}
inline OBSRef &operator=(const OBSRef &ref) {return Replace(ref.val);}
inline OBSRef &operator=(OBSRef &&ref)
{
if (this != &ref) {
val = ref.val;
ref.val = nullptr;
}
return *this;
}
inline operator T() const {return val;}
inline bool operator==(T p) const {return val == p;}
inline bool operator!=(T p) const {return val != p;}
};
using OBSSource = OBSRef<obs_source_t, obs_source_addref, obs_source_release>;
using OBSScene = OBSRef<obs_scene_t, obs_scene_addref, obs_scene_release>;
using OBSSceneItem = OBSRef<obs_sceneitem_t, obs_sceneitem_addref,
obs_sceneitem_release>;
using OBSData = OBSRef<obs_data_t, obs_data_addref, obs_data_release>;
using OBSDataArray = OBSRef<obs_data_array_t, obs_data_array_addref,
obs_data_array_release>;