void yuv420sp2rgb_nv12(const unsigned char* yuv420sp, int w, int h, unsigned char* rgb) { const unsigned char* yptr = yuv420sp; const unsigned char* uvptr = yuv420sp + w * h; #if __ARM_NEON uint8x8_t _v128 = vdup_n_u8(128); int8x8_t _v90 = vdup_n_s8(90); int...