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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2020, Google Inc.
*
* frames.h - Intel IPU3 Frames helper
*/
#ifndef __LIBCAMERA_PIPELINE_IPU3_FRAMES_H__
#define __LIBCAMERA_PIPELINE_IPU3_FRAMES_H__
#include <map>
#include <memory>
#include <queue>
#include <vector>
#include <libcamera/base/signal.h>
namespace libcamera {
class FrameBuffer;
class IPAProxy;
class PipelineHandler;
class Request;
class V4L2VideoDevice;
struct IPABuffer;
class IPU3Frames
{
public:
struct Info {
unsigned int id;
Request *request;
FrameBuffer *rawBuffer;
FrameBuffer *paramBuffer;
FrameBuffer *statBuffer;
bool paramDequeued;
bool metadataProcessed;
};
IPU3Frames();
void init(const std::vector<std::unique_ptr<FrameBuffer>> ¶mBuffers,
const std::vector<std::unique_ptr<FrameBuffer>> &statBuffers);
void clear();
Info *create(Request *request);
void remove(Info *info);
bool tryComplete(Info *info);
Info *find(unsigned int id);
Info *find(FrameBuffer *buffer);
Signal<> bufferAvailable;
private:
std::queue<FrameBuffer *> availableParamBuffers_;
std::queue<FrameBuffer *> availableStatBuffers_;
std::map<unsigned int, std::unique_ptr<Info>> frameInfo_;
};
} /* namespace libcamera */
#endif /* __LIBCAMERA_PIPELINE_IPU3_FRAMES_H__ */
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