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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* framebuffer_allocator.h - FrameBuffer allocator
*/
#ifndef __LIBCAMERA_FRAMEBUFFER_ALLOCATOR_H__
#define __LIBCAMERA_FRAMEBUFFER_ALLOCATOR_H__
#include <map>
#include <memory>
#include <vector>
namespace libcamera {
class Camera;
class FrameBuffer;
class Stream;
class FrameBufferAllocator
{
public:
FrameBufferAllocator(std::shared_ptr<Camera> camera);
FrameBufferAllocator(const FrameBufferAllocator &) = delete;
FrameBufferAllocator &operator=(const FrameBufferAllocator &) = delete;
~FrameBufferAllocator();
int allocate(Stream *stream);
int free(Stream *stream);
bool allocated() const { return !buffers_.empty(); }
const std::vector<std::unique_ptr<FrameBuffer>> &buffers(Stream *stream) const;
private:
std::shared_ptr<Camera> camera_;
std::map<Stream *, std::vector<std::unique_ptr<FrameBuffer>>> buffers_;
};
} /* namespace libcamera */
#endif /* __LIBCAMERA_FRAMEBUFFER_ALLOCATOR_H__ */
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