add GStreamer

CameraController.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <vizionsdk/VizionSDK.h>
+#include "StreamingEngine.h"
 #include <memory>
 #include <string>
 #include <mutex>
@@ -12,6 +13,9 @@ public:
     // Process JSON command and return JSON response
     std::string processCommand(const std::string& jsonCommand);
 
+    // Get streaming engine for external control
+    std::shared_ptr<StreamingEngine> getStreamingEngine() { return streamingEngine_; }
+
 private:
     // Command handlers
     std::string handleSetFormat(const std::string& width, const std::string& height,
@@ -28,6 +32,7 @@ private:
     std::string handleGetStatus();
     std::string handleStartStream();
     std::string handleStopStream();
+    std::string handleSetPipeline(const std::string& pipeline);
 
     // Helper functions
     VX_IMAGE_FORMAT stringToFormat(const std::string& format);
@@ -36,6 +41,7 @@ private:
     std::string createSuccessResponse(const std::string& message = "");
 
     std::shared_ptr<VxCamera> camera_;
+    std::shared_ptr<StreamingEngine> streamingEngine_;
     std::mutex mutex_;
-    bool streaming_;
+    std::string gstPipeline_;
 };