mg-samples 是《MiniGUI 编程指南》的配套示例程序包。 -mg-samples is "MiniGUI Programming Guide" matching sample package.

获取MP4文件的信息 切片MP4文件，使得其可以用来跟Media Source Extension API使用 从MP4文件中提取帧，用来创建TextTracks。-get information about an MP4 file, segment an MP4 file for use with the Media Source Extension API, extract samples an MP4 to create TextTracks.