OpenCV | YUV420_NV21 转 BGR
void BGR2NV21( unsigned char *imgSrc, unsigned char *imgDst, int width, int height ){ int w, h; int shift = 14, offset1 = 8192, offset2 = 2105344; int C0 = 1868, C1 = 9617, C2 = 4899, C3 = 11682,
