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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019-2021, Google Inc.
*
* camera_request.h - libcamera Android Camera Request Descriptor
*/
#pragma once
#include <map>
#include <memory>
#include <vector>
#include <libcamera/base/class.h>
#include <libcamera/base/mutex.h>
#include <libcamera/base/unique_fd.h>
#include <libcamera/camera.h>
#include <libcamera/framebuffer.h>
#include <hardware/camera3.h>
#include "camera_metadata.h"
#include "hal_framebuffer.h"
class CameraBuffer;
class CameraStream;
class Camera3RequestDescriptor
{
public:
enum class Status {
Success,
Error,
};
struct StreamBuffer {
StreamBuffer(CameraStream *stream,
const camera3_stream_buffer_t &buffer,
Camera3RequestDescriptor *request);
~StreamBuffer();
StreamBuffer(StreamBuffer &&);
StreamBuffer &operator=(StreamBuffer &&);
CameraStream *stream;
buffer_handle_t *camera3Buffer;
std::unique_ptr<HALFrameBuffer> frameBuffer;
libcamera::UniqueFD fence;
Status status = Status::Success;
libcamera::FrameBuffer *internalBuffer = nullptr;
const libcamera::FrameBuffer *srcBuffer = nullptr;
std::unique_ptr<CameraBuffer> dstBuffer;
Camera3RequestDescriptor *request;
private:
LIBCAMERA_DISABLE_COPY(StreamBuffer)
};
/* Keeps track of streams requiring post-processing. */
std::map<CameraStream *, StreamBuffer *> pendingStreamsToProcess_
LIBCAMERA_TSA_GUARDED_BY(streamsProcessMutex_);
libcamera::Mutex streamsProcessMutex_;
Camera3RequestDescriptor(libcamera::Camera *camera,
const camera3_capture_request_t *camera3Request);
~Camera3RequestDescriptor();
bool isPending() const { return !complete_; }
uint32_t frameNumber_ = 0;
std::vector<StreamBuffer> buffers_;
CameraMetadata settings_;
std::unique_ptr<libcamera::Request> request_;
std::unique_ptr<CameraMetadata> resultMetadata_;
bool complete_ = false;
Status status_ = Status::Success;
private:
LIBCAMERA_DISABLE_COPY(Camera3RequestDescriptor)
};
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