Added new command-line arguments --debug-ffmpeg and --debug-libmv to

be able to see debug prints coming from FFmpeg or libmv independently
of general blender debug messages.

source/creator/CMakeLists.txt

@@ -49,6 +49,10 @@ if(WITH_LIBMV)
 	add_definitions(-DWITH_LIBMV)
 endif()
 
+if(WITH_CODEC_FFMPEG)
+	add_definitions(-DWITH_FFMPEG)
+endif()
+
 if(WITH_PYTHON)
 	blender_include_dirs(../blender/python)
 	add_definitions(-DWITH_PYTHON)