live stream with json+blob

std-stream-send/include/ZmqLiveSender.hpp

@@ -0,0 +1,31 @@
+#ifndef SF_DAQ_BUFFER_ZMQLIVESENDER_HPP
+#define SF_DAQ_BUFFER_ZMQLIVESENDER_HPP
+
+#include <string>
+#include "formats.hpp"
+#include "BufferUtils.hpp"
+
+
+class ZmqLiveSender {
+    void* ctx_;
+    const std::string& det_name_;
+    const std::string& stream_address_;
+
+    void* socket_streamvis_;
+
+private:
+    std::string _get_data_type_mapping(int dtype) const;
+
+public:
+    ZmqLiveSender(void* ctx,
+                  const std::string& det_name,
+                  const std::string& stream_address);
+    ~ZmqLiveSender();
+
+    void send(const ImageMetadata& meta, const char* data,
+            const size_t image_n_bytes);
+
+};
+
+
+#endif //SF_DAQ_BUFFER_ZMQLIVESENDER_HPP

std-stream-send/include/stream_config.hpp

@@ -11,4 +11,7 @@ namespace stream_config
 
     // Number of pulses between each statistics print out.
     const size_t STREAM_STATS_MODULO = 1000;
+
+    // reduction factor
+    const int REDUCTION_FACTOR = 5;
 }