读取一个yuv格式的源文件，然后分别读出y u v的数据
#define _CRT_SECURE_NO_WARNINGS #include <stdio.h> #include <malloc.h> void readYUV(const char* path, int width, int height) { FILE* f = fopen(path, "rb+"); FILE* f1 = fopen("D:\\test\\pic\\yuv420y.y", "wb+"); FILE* f2 = fopen("D:\\test\\pic\\yuv420y.u", "wb+"); FILE* f3 = fopen("D:\\test\\pic\\yuv420y.v", "wb+"); char* data = (char*)malloc(width*height * 3 / 2); fread(data, 1, width*height * 3 / 2, f); fwrite(data, 1, width*height, f1); fwrite(data+width*height, 1, width*height/4, f2); fwrite(data+width*height*5/4, 1, width*height/4, f3); free(data); data = nullptr; fclose(f); fclose(f1); fclose(f2); fclose(f3); } void main() { readYUV("D:\\test\\pic\\9.yuv", 960, 720); }