feat: Add a virtual function for extra output

1 files changed, 4 insertions, 0 deletions

diff --git a/src/LEDVideoWall.cpp b/src/LEDVideoWall.cpp
index 521dcbe..2d42fbf 100644
--- a/src/LEDVideoWall.cpp
+++ b/src/LEDVideoWall.cpp
@@ -66,3 +66,7 @@ LEDVideoWall* LEDVideoWall::fromCommandLine() {
 	}
 	throw std::logic_error("Implementation error: didn't handle all types of LED video walls!");
 }
+
+std::string LEDVideoWall::extraOutput() const {
+	return std::string();
+}