图像基础：读取BMP图片，转换为RGB与YU12（YUV420P）格式，同时YU12、NV12、NV21之间相互转换BMP转RGBRGB转YU12（YUV420P）YU12转NV12YU12转NV21NV12转YU12NV21转YU12完整工程代码下载链接：
BMP转RGB//输入：1、申请的RGB内存// 2、打开的BMP文件void ReadBmp(unsigned char *RGB, FILE *fp){ int i, j; unsigned char temp; //int fseek(FILE *stream, long offset, int fromwhere); //指向以fromwhere为基准，偏移offs...
