From 201d98f63131242bb8871ed0c4a3ae9ebd4ef030 Mon Sep 17 00:00:00 2001
From: Nikita Kostovsky <luntik2012@gmail.com>
Date: Sun, 12 Jan 2025 17:57:45 +0100
Subject: start refactoring. non-working commit

---
 src/camera/ov9281.h | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 src/camera/ov9281.h

(limited to 'src/camera/ov9281.h')

diff --git a/src/camera/ov9281.h b/src/camera/ov9281.h
new file mode 100644
index 0000000..f70db2f
--- /dev/null
+++ b/src/camera/ov9281.h
@@ -0,0 +1,68 @@
+#pragma once
+
+#include <map>
+#include <memory>
+#include <vector>
+
+#include <libcamera/base/signal.h>
+#include <libcamera/formats.h>
+
+namespace libcamera {
+class Camera;
+class CameraConfiguration;
+class CameraManager;
+class FrameBufferAllocator;
+class Request;
+} // namespace libcamera
+
+class Image;
+class Pixels;
+
+class OV9281
+{
+public:
+    ~OV9281();
+
+public:
+    static std::vector<std::shared_ptr<OV9281>> search(
+        std::unique_ptr<libcamera::CameraManager> &manager);
+
+    // public functions
+public:
+    bool startStream();
+    void printControls();
+
+    // signals
+public:
+    // TODO: image->pixels in separate thread
+    // TODO: respect sender/receiver threads
+    libcamera::Signal<std::shared_ptr<Pixels>> newPixels;
+
+private:
+    explicit OV9281(const std::shared_ptr<libcamera::Camera> &camera);
+
+    // private functions
+private:
+    bool init();
+    bool validateConfig();
+    bool applyConfig();
+
+    void onRequestCompleted(libcamera::Request *completed_request);
+
+    // constants
+private:
+    static inline constexpr auto pixelFormat{libcamera::formats::R16};
+    static inline constexpr unsigned int bufferCount{2};
+    static inline constexpr size_t desiredFPS{144};
+
+    // member variables
+private:
+    std::shared_ptr<libcamera::Camera> m_camera{nullptr};
+    std::unique_ptr<libcamera::CameraConfiguration> m_config{nullptr};
+    std::map<int, std::pair<void *, unsigned int>> m_mappedBuffers;
+    std::vector<std::unique_ptr<libcamera::Request>> m_requests;
+    std::unique_ptr<libcamera::FrameBufferAllocator> m_allocator{nullptr};
+
+    // TODO: set exposureTime from outside
+    int32_t m_exposureTime{1000};
+};
-- 
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