document gives detail descr iption for reading video data for video processing

This a classic ffmpeg tutorial examples, I fix all the bugs,sytax error and fuctions out of data,share with new ffmpeg beginners-This is a classic ffmpeg tutorial examples, I fix all the bugs,sytax error and fuctions out of data,share with new ffmpeg

nios2视频教程，开发FPGA软核的资料-Nios2 video tutorial, the development of FPGA soft core data