LibMPEG3 decodes several MPEG standards into uncompressed data suitable for editing and playback. libmpeg3 currently decodes: MPEG-2 video MPEG-1 video mp3 audio mp2 audio ac3 audio MPEG-2 transport streams MPEG-2 program str

将YUV420文件转成所需要的YUV422文件，自己设定开始和结束帧号，和图像大小,YUV420 document will be converted to YUV422 required documents, set start and end frame number, and image size

rgb to yuv mpeg4 data format