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https://git.libcamera.org/libcamera/libcamera.git
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27869c5f64
The Stream pointer just acts as a key in the Request object. There is no good use-case to modify a stream from a pointer retrieved from the Request, make it const. This allows pipeline handlers to better express that the Stream pointer is retrieved in a Request should just be treated as a key. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
73 lines
1.5 KiB
C++
73 lines
1.5 KiB
C++
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2019, Google Inc.
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*
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* request.h - Capture request handling
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*/
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#ifndef __LIBCAMERA_REQUEST_H__
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#define __LIBCAMERA_REQUEST_H__
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#include <map>
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#include <memory>
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#include <stdint.h>
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#include <unordered_set>
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#include <libcamera/controls.h>
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#include <libcamera/signal.h>
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namespace libcamera {
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class Camera;
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class CameraControlValidator;
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class FrameBuffer;
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class Stream;
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class Request
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{
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public:
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enum Status {
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RequestPending,
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RequestComplete,
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RequestCancelled,
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};
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using BufferMap = std::map<const Stream *, FrameBuffer *>;
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Request(Camera *camera, uint64_t cookie = 0);
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Request(const Request &) = delete;
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Request &operator=(const Request &) = delete;
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~Request();
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ControlList &controls() { return *controls_; }
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ControlList &metadata() { return *metadata_; }
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const BufferMap &buffers() const { return bufferMap_; }
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int addBuffer(const Stream *stream, FrameBuffer *buffer);
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FrameBuffer *findBuffer(const Stream *stream) const;
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uint64_t cookie() const { return cookie_; }
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Status status() const { return status_; }
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bool hasPendingBuffers() const { return !pending_.empty(); }
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private:
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friend class PipelineHandler;
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void complete();
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bool completeBuffer(FrameBuffer *buffer);
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Camera *camera_;
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CameraControlValidator *validator_;
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ControlList *controls_;
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ControlList *metadata_;
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BufferMap bufferMap_;
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std::unordered_set<FrameBuffer *> pending_;
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const uint64_t cookie_;
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Status status_;
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bool cancelled_;
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};
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} /* namespace libcamera */
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#endif /* __LIBCAMERA_REQUEST_H__ */
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