Create C++ version

cpp/include/chicken_counter/pipeline.hpp

@@ -0,0 +1,39 @@
+#pragma once
+
+#include <chrono>
+#include <optional>
+
+#include <opencv2/core.hpp>
+#include <opencv2/videoio.hpp>
+
+#include "chicken_counter/config.hpp"
+#include "chicken_counter/counting.hpp"
+#include "chicken_counter/motion.hpp"
+#include "chicken_counter/tracking.hpp"
+#include "chicken_counter/types.hpp"
+
+namespace cc {
+
+struct PipelineArtifacts {
+    cv::VideoCapture capture;
+    DetectionTracker* tracker;
+    CountingZone counting_zone;
+    BackwardMotionDetector motion_detector;
+    cv::VideoWriter writer;
+    cv::Mat overlay_buffer;
+    double run_start_time;
+    int total_source_frames;
+    bool owns_tracker;
+    cv::Rect detection_zone_rect;
+    bool has_writer;
+    bool has_detection_zone;
+};
+
+PipelineArtifacts build_pipeline(const CameraConfig& config,
+                                 DetectionTracker* tracker = nullptr);
+
+PipelineResult run_pipeline(const CameraConfig& config,
+                            DetectionTracker* tracker = nullptr,
+                            bool show_progress = false);
+
+} // namespace cc