Added Qt API suggestion for AI and camera interaction.

misc/gimbal-ai-api.h

@@ -0,0 +1,65 @@
+// AiEngineGimbalControl class in the rtsp_ai_player program takes RemoteControl class as a member variable and probably puts it in the thread.
+// Communication between AiEngineGimbalControl and RemoteControl object is normal Qt's signal-slots.
+
+// API suggestion
+
+// Common geoposition
+typedef struct {
+    float lat;
+    float lon;
+    float alt;
+} Position;
+
+// AiEngineGimbalControl -> RemoteControl is sent when location or position of the drone changes.
+typedef struct {
+    Position position;
+    float pitch;
+    float yaw;
+} DronePosition;
+
+// AiEngineGimbalControl -> RemoteControl when AI finds the target. Index is a new variable to keep track of the targets.
+typedef struct {
+    int index;
+    int top;
+    int left;
+    int bottom;
+    int right;
+} AiCameraTarget;
+
+// RemoteControl -> AiEngineGimbalControl when RemoteControl has zoomed to the target defined in AiCameraTarget.
+// position variable contains calculated geoposition of the target.
+typedef struct {
+    int targetIndex;
+    Position position;
+} TargetPosition;
+
+// AiEngineGimbalControl -> RemoteControl when AI asks to change camera direction. For example nothing interesting was not found.
+// RemoteControl -> AiEngineGimbalControl every few second so that AI knows the position of the camera.
+typedef struct {
+    float yaw;
+    float pitch;
+    float zoom;
+} CameraPosition;
+
+
+class AiEngineGimbalControl {
+signals:
+    void newDronePosition(DronePosition);
+    void zoomToAiTarget(AiCameraTarget);
+    void setCameraPosition(CameraPosition);
+slots:
+    void aiTargetZoomedSlot(TargetPosition);
+    void cameraPositionSlot(CameraPosition);
+}
+
+
+class RemoteControl {
+slots:
+    void dronePositionSlot(DronePosition);
+    void zoomToAiTargetSlot(AiCameraTarget);
+    void cameraPositionSlot(CameraPosition);
+signals:
+    void aiTargetZoomed(TargetPosition);
+    void newCameraPosition(CameraPosition);
+}
+