1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright (c) 1992-2001 by Sun Microsystems, Inc. 24*7c478bd9Sstevel@tonic-gate * All rights reserved. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #ifndef _MULTIMEDIA_ARCHDEP_H 28*7c478bd9Sstevel@tonic-gate #define _MULTIMEDIA_ARCHDEP_H 29*7c478bd9Sstevel@tonic-gate 30*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 31*7c478bd9Sstevel@tonic-gate extern "C" { 32*7c478bd9Sstevel@tonic-gate #endif 33*7c478bd9Sstevel@tonic-gate 34*7c478bd9Sstevel@tonic-gate /* 35*7c478bd9Sstevel@tonic-gate * Machine-dependent and implementation-dependent definitions 36*7c478bd9Sstevel@tonic-gate * are placed here so that source code can be portable among a wide 37*7c478bd9Sstevel@tonic-gate * variety of machines. 38*7c478bd9Sstevel@tonic-gate */ 39*7c478bd9Sstevel@tonic-gate 40*7c478bd9Sstevel@tonic-gate /* 41*7c478bd9Sstevel@tonic-gate * The following macros are used to generate architecture-specific 42*7c478bd9Sstevel@tonic-gate * code for handling byte-ordering correctly. 43*7c478bd9Sstevel@tonic-gate * 44*7c478bd9Sstevel@tonic-gate * Note that these macros *do not* work for in-place transformations. 45*7c478bd9Sstevel@tonic-gate */ 46*7c478bd9Sstevel@tonic-gate 47*7c478bd9Sstevel@tonic-gate #if defined(mc68000) || defined(sparc) 48*7c478bd9Sstevel@tonic-gate #define DECODE_SHORT(from, to) *((short *)(to)) = *((short *)(from)) 49*7c478bd9Sstevel@tonic-gate #define DECODE_LONG(from, to) *((long *)(to)) = *((long *)(from)) 50*7c478bd9Sstevel@tonic-gate #define DECODE_FLOAT(from, to) *((float *)(to)) = *((float *)(from)) 51*7c478bd9Sstevel@tonic-gate #define DECODE_DOUBLE(from, to) *((double *)(to)) = *((double *)(from)) 52*7c478bd9Sstevel@tonic-gate #endif /* big-endian */ 53*7c478bd9Sstevel@tonic-gate 54*7c478bd9Sstevel@tonic-gate #if defined(i386) || defined(__ppc) 55*7c478bd9Sstevel@tonic-gate #define DECODE_SHORT(from, to) \ 56*7c478bd9Sstevel@tonic-gate ((char *)(to))[0] = ((char *)(from))[1]; \ 57*7c478bd9Sstevel@tonic-gate ((char *)(to))[1] = ((char *)(from))[0]; 58*7c478bd9Sstevel@tonic-gate #define DECODE_LONG(from, to) \ 59*7c478bd9Sstevel@tonic-gate ((char *)(to))[0] = ((char *)(from))[3]; \ 60*7c478bd9Sstevel@tonic-gate ((char *)(to))[1] = ((char *)(from))[2]; \ 61*7c478bd9Sstevel@tonic-gate ((char *)(to))[2] = ((char *)(from))[1]; \ 62*7c478bd9Sstevel@tonic-gate ((char *)(to))[3] = ((char *)(from))[0]; 63*7c478bd9Sstevel@tonic-gate 64*7c478bd9Sstevel@tonic-gate #define DECODE_FLOAT(from, to) DECODE_LONG((to), (from)) 65*7c478bd9Sstevel@tonic-gate 66*7c478bd9Sstevel@tonic-gate #define DECODE_DOUBLE(from, to) \ 67*7c478bd9Sstevel@tonic-gate ((char *)(to))[0] = ((char *)(from))[7]; \ 68*7c478bd9Sstevel@tonic-gate ((char *)(to))[1] = ((char *)(from))[6]; \ 69*7c478bd9Sstevel@tonic-gate ((char *)(to))[2] = ((char *)(from))[5]; \ 70*7c478bd9Sstevel@tonic-gate ((char *)(to))[3] = ((char *)(from))[4]; \ 71*7c478bd9Sstevel@tonic-gate ((char *)(to))[4] = ((char *)(from))[3]; \ 72*7c478bd9Sstevel@tonic-gate ((char *)(to))[5] = ((char *)(from))[2]; \ 73*7c478bd9Sstevel@tonic-gate ((char *)(to))[6] = ((char *)(from))[1]; \ 74*7c478bd9Sstevel@tonic-gate ((char *)(to))[7] = ((char *)(from))[0]; 75*7c478bd9Sstevel@tonic-gate #endif /* little-endian */ 76*7c478bd9Sstevel@tonic-gate 77*7c478bd9Sstevel@tonic-gate 78*7c478bd9Sstevel@tonic-gate /* Most architectures are symmetrical with respect to conversions. */ 79*7c478bd9Sstevel@tonic-gate #if defined(mc68000) || defined(sparc) || defined(i386) || defined(__ppc) 80*7c478bd9Sstevel@tonic-gate #define ENCODE_SHORT(from, to) DECODE_SHORT((from), (to)) 81*7c478bd9Sstevel@tonic-gate #define ENCODE_LONG(from, to) DECODE_LONG((from), (to)) 82*7c478bd9Sstevel@tonic-gate #define ENCODE_FLOAT(from, to) DECODE_FLOAT((from), (to)) 83*7c478bd9Sstevel@tonic-gate #define ENCODE_DOUBLE(from, to) DECODE_DOUBLE((from), (to)) 84*7c478bd9Sstevel@tonic-gate 85*7c478bd9Sstevel@tonic-gate /* Define types of specific length */ 86*7c478bd9Sstevel@tonic-gate typedef char i_8; 87*7c478bd9Sstevel@tonic-gate typedef short i_16; 88*7c478bd9Sstevel@tonic-gate typedef int i_32; 89*7c478bd9Sstevel@tonic-gate typedef unsigned char u_8; 90*7c478bd9Sstevel@tonic-gate typedef unsigned short u_16; 91*7c478bd9Sstevel@tonic-gate typedef unsigned u_32; 92*7c478bd9Sstevel@tonic-gate 93*7c478bd9Sstevel@tonic-gate #endif /* Sun machines */ 94*7c478bd9Sstevel@tonic-gate 95*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 96*7c478bd9Sstevel@tonic-gate } 97*7c478bd9Sstevel@tonic-gate #endif 98*7c478bd9Sstevel@tonic-gate 99*7c478bd9Sstevel@tonic-gate #endif /* !_MULTIMEDIA_ARCHDEP_H */ 100