用ffmpeg解码h264视频文件，并且将解码出来的每帧图像用opencv封装进行显示。使用时须配置好ffmpeg和opencv，然后将自己的h264文件名称修改为1.h264 并将其置于当前目录即可运行（可作为2次开发的参考）-Using ffmpeg to decode h264 video file and display each frame decoded using opencv package, the ffmpeg is the latest version 3-2. In ad

基于ffmpeg 的h264编解码和mp4等文件的生成。适合入门。-Based on the the ffmpeg h264 codec and mp4 file generation. Suitable for beginners.

读入根目录下视频文件，然后改变该视频分辨率，播放改变分辨率后的视频文件-Reads the root directory of the video file, and then change the video resolution, change the resolution after playing video files