add GStreamer

StreamingEngine.h

@@ -0,0 +1,35 @@
+#pragma once
+
+#include <vizionsdk/VizionSDK.h>
+#include "GStreamerPipeline.h"
+#include <memory>
+#include <thread>
+#include <atomic>
+#include <mutex>
+
+class StreamingEngine {
+public:
+    explicit StreamingEngine(std::shared_ptr<VxCamera> camera);
+    ~StreamingEngine();
+
+    bool start(const std::string& gstPipeline);
+    void stop();
+    bool isRunning() const { return running_; }
+
+    void setFormat(const VxFormat& format);
+    VxFormat getCurrentFormat() const { return currentFormat_; }
+
+    void setPipelineDescription(const std::string& pipeline);
+
+private:
+    void acquisitionLoop();
+
+    std::shared_ptr<VxCamera> camera_;
+    std::unique_ptr<GStreamerPipeline> gstPipeline_;
+    std::unique_ptr<std::thread> acquisitionThread_;
+    std::atomic<bool> running_;
+    std::mutex mutex_;
+    VxFormat currentFormat_;
+    std::unique_ptr<uint8_t[]> buffer_;
+    size_t bufferSize_;
+};