From 053237b9c91f1b5892782c1c4b2eb50cc8aeadfd Mon Sep 17 00:00:00 2001
From: Nikita Kostovsky <luntik2012@gmail.com>
Date: Sat, 9 Nov 2024 17:26:11 +0100
Subject: Initial commit

---
 LibCamera.h | 86 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 LibCamera.h

(limited to 'LibCamera.h')

diff --git a/LibCamera.h b/LibCamera.h
new file mode 100644
index 0000000..2262ab2
--- /dev/null
+++ b/LibCamera.h
@@ -0,0 +1,86 @@
+#include <atomic>
+#include <iomanip>
+#include <iostream>
+#include <signal.h>
+#include <limits.h>
+#include <memory>
+#include <stdint.h>
+#include <string>
+#include <vector>
+#include <unordered_map>
+#include <queue>
+#include <sstream>
+#include <sys/mman.h>
+#include <unistd.h>
+#include <time.h>
+#include <mutex>
+
+#include <libcamera/controls.h>
+#include <libcamera/control_ids.h>
+#include <libcamera/property_ids.h>
+#include <libcamera/libcamera.h>
+#include <libcamera/camera.h>
+#include <libcamera/camera_manager.h>
+#include <libcamera/framebuffer_allocator.h>
+#include <libcamera/request.h>
+#include <libcamera/stream.h>
+#include <libcamera/formats.h>
+#include <libcamera/transform.h>
+
+using namespace libcamera;
+
+typedef struct {
+    uint8_t *imageData;
+    uint32_t size;
+    uint64_t request;
+} LibcameraOutData;
+
+class LibCamera {
+    public:
+        LibCamera(){};
+        ~LibCamera(){};
+        
+        int initCamera();
+        void configureStill(int width, int height, PixelFormat format, int buffercount, int rotation);
+        int startCamera();
+        int resetCamera(int width, int height, PixelFormat format, int buffercount, int rotation);
+        bool readFrame(LibcameraOutData *frameData);
+        void returnFrameBuffer(LibcameraOutData frameData);
+
+        void set(ControlList controls);
+        void stopCamera();
+        void closeCamera();
+
+        Stream *VideoStream(uint32_t *w, uint32_t *h, uint32_t *stride) const;
+        char * getCameraId();
+
+    private:
+        int startCapture();
+        int queueRequest(Request *request);
+        void requestComplete(Request *request);
+        void processRequest(Request *request);
+
+        void StreamDimensions(Stream const *stream, uint32_t *w, uint32_t *h, uint32_t *stride) const;
+
+        unsigned int cameraIndex_;
+	    uint64_t last_;
+        std::unique_ptr<CameraManager> cm;
+        std::shared_ptr<Camera> camera_;
+        bool camera_acquired_ = false;
+        bool camera_started_ = false;
+	    std::unique_ptr<CameraConfiguration> config_;
+        std::unique_ptr<FrameBufferAllocator> allocator_;
+        std::vector<std::unique_ptr<Request>> requests_;
+        // std::map<std::string, Stream *> stream_;
+        std::map<int, std::pair<void *, unsigned int>> mappedBuffers_;
+
+        std::queue<Request *> requestQueue;
+
+        ControlList controls_;
+        std::mutex control_mutex_;
+        std::mutex camera_stop_mutex_;
+        std::mutex free_requests_mutex_;
+
+        Stream *viewfinder_stream_ = nullptr;
+        std::string cameraId;
+};
\ No newline at end of file
-- 
cgit v1.2.3-70-g09d2