TIM-VX/src/tim/lite/handle_private.h

62 lines
2.2 KiB
C++

/****************************************************************************
*
* Copyright (c) 2021 Vivante Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*****************************************************************************/
#ifndef __TIME_LITE_HANDLE_PRIVATE_H__
#define __TIME_LITE_HANDLE_PRIVATE_H__
#include <mutex>
#include "tim/lite/handle.h"
#include "vip_lite.h"
namespace tim {
namespace lite {
class HandleImpl {
public:
HandleImpl() : handle_(nullptr) {}
virtual bool Register(vip_buffer_create_params_t& params) = 0;
virtual bool Unregister() = 0;
vip_buffer handle() { return handle_; }
protected:
vip_buffer handle_;
};
class UserHandleImpl : public HandleImpl {
public:
UserHandleImpl(void* buffer, size_t size)
: user_buffer_(buffer), user_buffer_size_(size) {}
bool Register(vip_buffer_create_params_t& params) override;
bool Unregister() override;
size_t user_buffer_size() const { return user_buffer_size_; }
void* user_buffer() { return user_buffer_; }
private:
void* user_buffer_;
size_t user_buffer_size_;
std::once_flag register_once_;
};
}
}
#endif