NV21转YUV420SP的代码

格式不介绍了，看代码：

public final static void NV21_TO_YUV420SP(int width, int height, byte[] in){int pixels = width * height;byte s;int count = (pixels / 2);for (int i = 0; i < count; i += 2){s = in[pixels + i];in[pixels + i] = in[pixels + i + 1];in[pixels + i + 1] = s;}}