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https://git.libcamera.org/libcamera/libcamera.git
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32d78a7bba
Rename the internal member variables to use the post-fixed '_' member variable naming style. This in turn ensures variable shadowing does not occur in the member initializer list of the constructor. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
91 lines
1.9 KiB
C++
91 lines
1.9 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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* v4l2_camera.h - V4L2 compatibility camera
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*/
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#ifndef __V4L2_CAMERA_H__
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#define __V4L2_CAMERA_H__
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#include <deque>
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#include <mutex>
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#include <utility>
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#include <libcamera/buffer.h>
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#include <libcamera/camera.h>
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#include <libcamera/file_descriptor.h>
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#include <libcamera/framebuffer_allocator.h>
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#include "libcamera/internal/semaphore.h"
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using namespace libcamera;
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class V4L2Camera
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{
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public:
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struct Buffer {
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Buffer(unsigned int index, const FrameMetadata &data)
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: index_(index), data_(data)
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{
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}
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unsigned int index_;
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FrameMetadata data_;
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};
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V4L2Camera(std::shared_ptr<Camera> camera);
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~V4L2Camera();
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int open(StreamConfiguration *streamConfig);
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void close();
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void bind(int efd);
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void unbind();
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std::vector<Buffer> completedBuffers();
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int configure(StreamConfiguration *streamConfigOut,
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const Size &size, const PixelFormat &pixelformat,
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unsigned int bufferCount);
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int validateConfiguration(const PixelFormat &pixelformat,
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const Size &size,
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StreamConfiguration *streamConfigOut);
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int allocBuffers(unsigned int count);
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void freeBuffers();
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FileDescriptor getBufferFd(unsigned int index);
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int streamOn();
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int streamOff();
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int qbuf(unsigned int index);
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void waitForBufferAvailable();
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bool isBufferAvailable();
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bool isRunning();
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private:
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void requestComplete(Request *request);
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std::shared_ptr<Camera> camera_;
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std::unique_ptr<CameraConfiguration> config_;
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bool isRunning_;
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std::mutex bufferLock_;
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FrameBufferAllocator *bufferAllocator_;
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std::vector<std::unique_ptr<Request>> requestPool_;
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std::deque<Request *> pendingRequests_;
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std::deque<std::unique_ptr<Buffer>> completedBuffers_;
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int efd_;
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Mutex bufferMutex_;
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std::condition_variable bufferCV_;
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unsigned int bufferAvailableCount_;
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};
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#endif /* __V4L2_CAMERA_H__ */
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