一个为视频添加水印的DMO组件，可以做为学习DMO的开发和水印叠加的例子。-adding a watermark to the video components of the DMO, the DMO can be used as learning and the development of Watermark superposition example.

一个为视频添加水印的DMO组件，可以做为学习DMO的开发和水印叠加的例子。-adding a watermark to the video components of the DMO, the DMO can be used as learning and the development of Watermark superposition example.