for test
-rw-r--r-- 27 .gitignore
drwxr-xr-x - 3rdparty
-rw-r--r-- 37035 CMakeLists.txt
-rw-r--r-- 187 README
drwxr-xr-x - android
drwxr-xr-x - apps
drwxr-xr-x - cmake
drwxr-xr-x - data
drwxr-xr-x - doc
drwxr-xr-x - include
-rw-r--r-- 499 index.rst
drwxr-xr-x - ios
drwxr-xr-x - modules
drwxr-xr-x - samples