/* * mcu.h -- * * Part of the Independent JPEG Group's software. * See the file Copyright for more details. * *//* * $Id: mcu.h,v 1.2 2004/12/14 22:59:34 enlf Exp $ */#ifndef _MCU#define _MCU/* * An MCU (minimum coding unit) is an array of samples. */typedef unsigned short ComponentType; /* the type of image components */typedef ComponentType *MCU;  /* MCU - array of samples */extern MCU *mcuTable; /* the global mcu table that buffers the source image */extern int numMCU;    /* number of MCUs in mcuTable */extern MCU *mcuROW1,*mcuROW2; /* pt to two rows of MCU in encoding & decoding *//* *-------------------------------------------------------------- * * MakeMCU -- * *      MakeMCU returns an MCU for input parsing. * * Results: *      A new MCU * * Side effects: *      None. * *-------------------------------------------------------------- */#define MakeMCU(dcPtr)  (mcuTable[numMCU++])#endif /* _MCU */