鵝要長(zhǎng)大

#include <iostream>
#include <string.h>
void raw8ToNv12(unsigned char* raw8data, unsigned char* nv12data){
    int w = 3, h = 4;
    for(int i =0; i< w*h; i++){
        nv12data[i] = raw8data[i];
    }
    memset(nv12data+w*h, 128, w*h/2);
}
int main()
{
    // int w = 3, h = 4;
    unsigned char raw8data[12] = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l'};
    std::cout << "raw8data: " << raw8data << std::endl;
    unsigned char nv12data[18];
    raw8ToNv12(raw8data, nv12data);
    std::cout << "nv12data: " << nv12data << std::endl; 
}