set default version 19.4.0

Change-Id: Ic4b4faf8805c6f1f7da23afccb5207d296621917
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c028295..8f0485b 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,7 +31,7 @@
 message(STATUS "CMAKE_INSTALL_PREFIX = ${CMAKE_INSTALL_PREFIX}")
 
 if(NOT DEFINED MEDIA_VERSION OR MEDIA_VERSION STREQUAL "")
-    set(MEDIA_VERSION "1.0.0")
+    set(MEDIA_VERSION "19.4.0")
 endif()
 
 if("${os_name}" STREQUAL "clear-linux-os")