Introduction - If you have any usage issues, please Google them yourself
Multimedia big job 1, MPEG file to extract key frame 2, reduced to BMP 3 with JPG decoding algorithm, you can specify any one time (accurate to second) of a number of key frames, enter the time, I get all the time within one second frame 4, to achieve MPEG-1 5, if the ability to achieve MPEG-4, scores 15 points plus 6, the algorithms C++ achieve, made into a DLL, convenient and calls for other programs, plus 10 points