Xmd.h
资源名称:X264CODEC.rar [点击查看]
上传用户:lctgjx
上传日期:2022-06-04
资源大小:8887k
文件大小:7k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /* $XdotOrg: $ */
- /* $XFree86: xc/include/Xmd.h,v 3.18tsi Exp $ */
- /***********************************************************
- Copyright 1987, 1998 The Open Group
- Permission to use, copy, modify, distribute, and sell this software and its
- documentation for any purpose is hereby granted without fee, provided that
- the above copyright notice appear in all copies and that both that
- copyright notice and this permission notice appear in supporting
- documentation.
- The above copyright notice and this permission notice shall be included in
- all copies or substantial portions of the Software.
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- Except as contained in this notice, the name of The Open Group shall not be
- used in advertising or otherwise to promote the sale, use or other dealings
- in this Software without prior written authorization from The Open Group.
- Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
- All Rights Reserved
- Permission to use, copy, modify, and distribute this software and its
- documentation for any purpose and without fee is hereby granted,
- provided that the above copyright notice appear in all copies and that
- both that copyright notice and this permission notice appear in
- supporting documentation, and that the name of Digital not be
- used in advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
- DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
- ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
- DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
- ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
- ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
- SOFTWARE.
- ******************************************************************/
- #ifndef XMD_H
- #define XMD_H 1
- /* $Xorg: Xmd.h,v 1.4 2001/02/09 02:03:22 xorgcvs Exp $ */
- /*
- * Xmd.h: MACHINE DEPENDENT DECLARATIONS.
- */
- /*
- * Special per-machine configuration flags.
- */
- #if defined(sun) && defined(__SVR4)
- # include <sys/isa_defs.h> /* Solaris: defines _LP64 if necessary */
- #endif
- #ifdef CRAY
- #define WORD64 /* 64-bit architecture */
- #endif
- #if defined (_LP64) ||
- defined(__alpha) || defined(__alpha__) ||
- defined(__ia64__) || defined(ia64) ||
- defined(__sparc64__) ||
- defined(__s390x__) ||
- (defined(__hppa__) && defined(__LP64__)) ||
- defined(__amd64__) || defined(amd64) ||
- defined(__powerpc64__) ||
- (defined(sgi) && (_MIPS_SZLONG == 64))
- #define LONG64 /* 32/64-bit architecture */
- #endif
- /*
- * Stuff to handle large architecture machines; the constants were generated
- * on a 32-bit machine and must correspond to the protocol.
- */
- #ifdef WORD64
- #define MUSTCOPY
- #endif /* WORD64 */
- /*
- * Definition of macro used to set constants for size of network structures;
- * machines with preprocessors that can't handle all of the sz_ symbols
- * can define this macro to be sizeof(x) if and only if their compiler doesn't
- * pad out structures (esp. the xTextElt structure which contains only two
- * one-byte fields). Network structures should always define sz_symbols.
- *
- * The sz_ prefix is used instead of something more descriptive so that the
- * symbols are no more than 32 characters long (which causes problems for some
- * compilers and preprocessors).
- *
- * The extra indirection in the __STDC__ case is to get macro arguments to
- * expand correctly before the concatenation, rather than afterward.
- */
- #if ((defined(__STDC__) || defined(__cplusplus) || defined(c_plusplus)) && !defined(UNIXCPP)) || defined(ANSICPP)
- #define _SIZEOF(x) sz_##x
- #define SIZEOF(x) _SIZEOF(x)
- #else
- #define SIZEOF(x) sz_/**/x
- #endif /* if ANSI C compiler else not */
- /*
- * Bitfield suffixes for the protocol structure elements, if you
- * need them. Note that bitfields are not guaranteed to be signed
- * (or even unsigned) according to ANSI C.
- */
- #ifdef WORD64
- typedef long INT64;
- typedef unsigned long CARD64;
- #define B32 :32
- #define B16 :16
- #ifdef UNSIGNEDBITFIELDS
- typedef unsigned int INT32;
- typedef unsigned int INT16;
- #else
- #ifdef __STDC__
- typedef signed int INT32;
- typedef signed int INT16;
- #else
- typedef int INT32;
- typedef int INT16;
- #endif
- #endif
- #else
- #define B32
- #define B16
- #ifdef LONG64
- typedef long INT64;
- typedef int INT32;
- #else
- typedef long INT32;
- #endif
- typedef short INT16;
- #endif
- #if defined(__STDC__) || defined(sgi) || defined(_AIX)
- typedef signed char INT8;
- #else
- typedef char INT8;
- #endif
- #ifdef LONG64
- typedef unsigned long CARD64;
- typedef unsigned int CARD32;
- #else
- typedef unsigned long CARD32;
- #endif
- #if !defined(WORD64) && !defined(LONG64)
- typedef unsigned long long CARD64;
- #endif
- typedef unsigned short CARD16;
- typedef unsigned char CARD8;
- typedef CARD32 BITS32;
- typedef CARD16 BITS16;
- #ifndef I_NEED_OS2_H
- typedef CARD8 BYTE;
- typedef CARD8 BOOL;
- #else
- #define BYTE CARD8
- #define BOOL CARD8
- #endif
- /*
- * definitions for sign-extending bitfields on 64-bit architectures
- */
- #if defined(WORD64) && defined(UNSIGNEDBITFIELDS)
- #define cvtINT8toInt(val) (((val) & 0x00000080) ? ((val) | 0xffffffffffffff00) : (val))
- #define cvtINT16toInt(val) (((val) & 0x00008000) ? ((val) | 0xffffffffffff0000) : (val))
- #define cvtINT32toInt(val) (((val) & 0x80000000) ? ((val) | 0xffffffff00000000) : (val))
- #define cvtINT8toShort(val) cvtINT8toInt(val)
- #define cvtINT16toShort(val) cvtINT16toInt(val)
- #define cvtINT32toShort(val) cvtINT32toInt(val)
- #define cvtINT8toLong(val) cvtINT8toInt(val)
- #define cvtINT16toLong(val) cvtINT16toInt(val)
- #define cvtINT32toLong(val) cvtINT32toInt(val)
- #else
- #define cvtINT8toInt(val) (val)
- #define cvtINT16toInt(val) (val)
- #define cvtINT32toInt(val) (val)
- #define cvtINT8toShort(val) (val)
- #define cvtINT16toShort(val) (val)
- #define cvtINT32toShort(val) (val)
- #define cvtINT8toLong(val) (val)
- #define cvtINT16toLong(val) (val)
- #define cvtINT32toLong(val) (val)
- #endif /* WORD64 and UNSIGNEDBITFIELDS */
- #ifdef MUSTCOPY
- /*
- * This macro must not cast or else pointers will get aligned and be wrong
- */
- #define NEXTPTR(p,t) (((char *) p) + SIZEOF(t))
- #else /* else not MUSTCOPY, this is used for 32-bit machines */
- /*
- * this version should leave result of type (t *), but that should only be
- * used when not in MUSTCOPY
- */
- #define NEXTPTR(p,t) (((t *)(p)) + 1)
- #endif /* MUSTCOPY - used machines whose C structs don't line up with proto */
- #endif /* XMD_H */