public class Recusion {public int f(int n){if(n == 20){return 1;}else if(n == 21){return 4;}else{return f(n + 2) - 2 * f(...
NV21转NV12 public static void NV21ToNV12(byte[] nv21, byte[] nv12, int width, int height) {System.arraycopy(nv21, 0, nv12, 0, width * height);for ...
