1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright (c) 1992-2001 by Sun Microsystems, Inc. 24*0Sstevel@tonic-gate * All rights reserved. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _MULTIMEDIA_ARCHDEP_H 28*0Sstevel@tonic-gate #define _MULTIMEDIA_ARCHDEP_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #ifdef __cplusplus 33*0Sstevel@tonic-gate extern "C" { 34*0Sstevel@tonic-gate #endif 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate /* 37*0Sstevel@tonic-gate * Machine-dependent and implementation-dependent definitions 38*0Sstevel@tonic-gate * are placed here so that source code can be portable among a wide 39*0Sstevel@tonic-gate * variety of machines. 40*0Sstevel@tonic-gate */ 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate /* 43*0Sstevel@tonic-gate * The following macros are used to generate architecture-specific 44*0Sstevel@tonic-gate * code for handling byte-ordering correctly. 45*0Sstevel@tonic-gate * 46*0Sstevel@tonic-gate * Note that these macros *do not* work for in-place transformations. 47*0Sstevel@tonic-gate */ 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate #if defined(mc68000) || defined(sparc) 50*0Sstevel@tonic-gate #define DECODE_SHORT(from, to) *((short *)(to)) = *((short *)(from)) 51*0Sstevel@tonic-gate #define DECODE_LONG(from, to) *((long *)(to)) = *((long *)(from)) 52*0Sstevel@tonic-gate #define DECODE_FLOAT(from, to) *((float *)(to)) = *((float *)(from)) 53*0Sstevel@tonic-gate #define DECODE_DOUBLE(from, to) *((double *)(to)) = *((double *)(from)) 54*0Sstevel@tonic-gate #endif /* big-endian */ 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate #if defined(i386) || defined(__ppc) 57*0Sstevel@tonic-gate #define DECODE_SHORT(from, to) \ 58*0Sstevel@tonic-gate ((char *)(to))[0] = ((char *)(from))[1]; \ 59*0Sstevel@tonic-gate ((char *)(to))[1] = ((char *)(from))[0]; 60*0Sstevel@tonic-gate #define DECODE_LONG(from, to) \ 61*0Sstevel@tonic-gate ((char *)(to))[0] = ((char *)(from))[3]; \ 62*0Sstevel@tonic-gate ((char *)(to))[1] = ((char *)(from))[2]; \ 63*0Sstevel@tonic-gate ((char *)(to))[2] = ((char *)(from))[1]; \ 64*0Sstevel@tonic-gate ((char *)(to))[3] = ((char *)(from))[0]; 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate #define DECODE_FLOAT(from, to) DECODE_LONG((to), (from)) 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate #define DECODE_DOUBLE(from, to) \ 69*0Sstevel@tonic-gate ((char *)(to))[0] = ((char *)(from))[7]; \ 70*0Sstevel@tonic-gate ((char *)(to))[1] = ((char *)(from))[6]; \ 71*0Sstevel@tonic-gate ((char *)(to))[2] = ((char *)(from))[5]; \ 72*0Sstevel@tonic-gate ((char *)(to))[3] = ((char *)(from))[4]; \ 73*0Sstevel@tonic-gate ((char *)(to))[4] = ((char *)(from))[3]; \ 74*0Sstevel@tonic-gate ((char *)(to))[5] = ((char *)(from))[2]; \ 75*0Sstevel@tonic-gate ((char *)(to))[6] = ((char *)(from))[1]; \ 76*0Sstevel@tonic-gate ((char *)(to))[7] = ((char *)(from))[0]; 77*0Sstevel@tonic-gate #endif /* little-endian */ 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate 80*0Sstevel@tonic-gate /* Most architectures are symmetrical with respect to conversions. */ 81*0Sstevel@tonic-gate #if defined(mc68000) || defined(sparc) || defined(i386) || defined(__ppc) 82*0Sstevel@tonic-gate #define ENCODE_SHORT(from, to) DECODE_SHORT((from), (to)) 83*0Sstevel@tonic-gate #define ENCODE_LONG(from, to) DECODE_LONG((from), (to)) 84*0Sstevel@tonic-gate #define ENCODE_FLOAT(from, to) DECODE_FLOAT((from), (to)) 85*0Sstevel@tonic-gate #define ENCODE_DOUBLE(from, to) DECODE_DOUBLE((from), (to)) 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate /* Define types of specific length */ 88*0Sstevel@tonic-gate typedef char i_8; 89*0Sstevel@tonic-gate typedef short i_16; 90*0Sstevel@tonic-gate typedef int i_32; 91*0Sstevel@tonic-gate typedef unsigned char u_8; 92*0Sstevel@tonic-gate typedef unsigned short u_16; 93*0Sstevel@tonic-gate typedef unsigned u_32; 94*0Sstevel@tonic-gate 95*0Sstevel@tonic-gate #endif /* Sun machines */ 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate #ifdef __cplusplus 98*0Sstevel@tonic-gate } 99*0Sstevel@tonic-gate #endif 100*0Sstevel@tonic-gate 101*0Sstevel@tonic-gate #endif /* !_MULTIMEDIA_ARCHDEP_H */ 102