second part of PR #578

Signed-off-by: Paulchen-Panther <Paulchen-Panter@protonmail.com>

include/hyperion/Grabber.h

@@ -9,6 +9,7 @@
 #include <grabber/VideoStandard.h>
 #include <utils/ImageResampler.h>
 #include <utils/Logger.h>
+#include <utils/Components.h>
 
 ///
 /// @brief The Grabber class is responsible to apply image resizes (with or without ImageResampler)
@@ -96,6 +97,12 @@ public:
 	///
 	void setEnabled(bool enable);
 
+signals:
+	///
+	/// @brief PIPE component state changes from HyperionDaemon to V4L2Grabber
+	///
+	void componentStateChanged(const hyperion::Components component, bool enable);
+
 protected:
 	ImageResampler _imageResampler;