论文部分内容阅读
Multimedia conference is a kind of multimedia communication meeting,it uses network to transfer video and audio information.In TV conference,many attendees in two or more different locations can receive the voice and image of each other,it makes you feel like in the same venue to attend the meeting,this communication mode improve the working efficiency significantly.This paper discussed and realized the mixing module of the multi-channel video from decoders for multimedia conference.In the process of mixing multi-channel data,different selection of data copy method and conversion of YUV data format make the module has obvious distinction.In order to improve the capability of data processing,we can choose a relatively efficient solution based on guaranteeing the visual quality through the comparison of different selection.