最简单的基于FFmpeg的AVFilter例子 Simplest FFmpeg AVfilter Example 雷霄骅 Lei Xiaohua leixiaohua1020@126.com **传媒大学/数字电视技术 Communication University of China / Digital TV Technology http://blog.csdn.net/leixiaohua1020 本程序使用包含下面两个项目: simplest_ffmpeg_video_filter:可以将一张PNG图片作为水印叠加到视频上,结合使用了libavfilter,libavcodec等类库。 simplest_ffmpeg_video_filter_pure:可以给YUV像素数据加特效,只用了libavfilter库。 This project contains 2 projects: simplest_ffmpeg_video_filter: Put a PNG picture as watermark to a video file, use some libraries such as libavfilter and libavcodec. simplest_ffmpeg_video_filter_pure:Add excellent effect to YUV raw data, only use libavfilter.