1) Add the Release Mode.
2) Change the work tree.
3) update the opencv module: lib file, and dll file.
4) fix the video frame bug : can't dump every pic into the video.(it is seemed that it's caused by the lacking ffmpeg dll )

Signed-off-by: OleNet <olenet@126.com>
nothing changed.

Signed-off-by: OleNet <olenet@126.com>
a littile change no comment

Signed-off-by: OleNet <olenet@126.com>