diff options
Diffstat (limited to 'kernel/kls_ljpeg/ljpeg2ppm/mcu.h')
-rw-r--r-- | kernel/kls_ljpeg/ljpeg2ppm/mcu.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/kernel/kls_ljpeg/ljpeg2ppm/mcu.h b/kernel/kls_ljpeg/ljpeg2ppm/mcu.h new file mode 100644 index 0000000..bb894e6 --- /dev/null +++ b/kernel/kls_ljpeg/ljpeg2ppm/mcu.h @@ -0,0 +1,63 @@ +/* + * mcu.h -- + * + * Copyright (C) 1991, 1992, Thomas G. Lane. + * Part of the Independent JPEG Group's software. + * See the file Copyright for more details. + * + * Copyright (c) 1993 Brian C. Smith, The Regents of the University + * of California + * All rights reserved. + * + * Copyright (c) 1994 Kongji Huang and Brian C. Smith. + * Cornell University + * All rights reserved. + * + * Permission to use, copy, modify, and distribute this software and its + * documentation for any purpose, without fee, and without written agreement is + * hereby granted, provided that the above copyright notice and the following + * two paragraphs appear in all copies of this software. + * + * IN NO EVENT SHALL CORNELL UNIVERSITY BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT + * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF CORNELL + * UNIVERSITY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * CORNELL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND CORNELL UNIVERSITY HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + */ + +#ifndef _MCU +#define _MCU + +/* + * An MCU (minimum coding unit) is an array of samples. + */ +typedef 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 */ |