git-svn-id: https://casparcg.svn.sourceforge.net/svnroot/casparcg/server/branches...

diff --git a/core/frame/pixel_format.h b/core/frame/pixel_format.h
index cce6e910534300171ae837415d4d089066706f1b..e29dc2766e94ec913589d79def07d735f8eb8753 100644 (file)
--- a/core/frame/pixel_format.h
+++ b/core/frame/pixel_format.h
@@ -76,7 +76,7 @@ struct pixel_format_desc sealed
                }\r
        };\r
 \r
-       pixel_format_desc(pixel_format format) \r
+       pixel_format_desc(pixel_format format = core::pixel_format::invalid) \r
                : format(format)\r
        {\r
        }\r