Accidentally took by value instead of by reference.

diff --git a/modules/ffmpeg/producer/muxer/frame_muxer.cpp b/modules/ffmpeg/producer/muxer/frame_muxer.cpp
index 08090e9fab1cbbfeb4e483330ae29092bc483aba..6c9e739e41accfb52c256a87da581761213dc947 100644 (file)
--- a/modules/ffmpeg/producer/muxer/frame_muxer.cpp
+++ b/modules/ffmpeg/producer/muxer/frame_muxer.cpp
@@ -64,7 +64,7 @@ using namespace caspar::core;
 
 namespace caspar { namespace ffmpeg {
 
-bool is_frame_format_changed(const AVFrame lhs, const AVFrame& rhs)
+bool is_frame_format_changed(const AVFrame& lhs, const AVFrame& rhs)
 {
        if (lhs.format != rhs.format)
                return true;