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lbxopts.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:4k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /* $Xorg: lbxopts.h,v 1.3 2000/08/18 04:05:45 coskrey Exp $ */
- /*
- * Copyright 1994 Network Computing Devices, Inc.
- *
- * 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, and that the name Network Computing Devices, Inc. not be
- * used in advertising or publicity pertaining to distribution of this
- * software without specific, written prior permission.
- *
- * THIS SOFTWARE IS PROVIDED `AS-IS'. NETWORK COMPUTING DEVICES, INC.,
- * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING WITHOUT
- * LIMITATION ALL IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE, OR NONINFRINGEMENT. IN NO EVENT SHALL NETWORK
- * COMPUTING DEVICES, INC., BE LIABLE FOR ANY DAMAGES WHATSOEVER, INCLUDING
- * SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING LOSS OF USE, DATA,
- * OR PROFITS, EVEN IF ADVISED OF THE POSSIBILITY THEREOF, AND REGARDLESS OF
- * WHETHER IN AN ACTION IN CONTRACT, TORT OR NEGLIGENCE, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- */
- /* $XFree86: xc/include/extensions/lbxopts.h,v 1.5 2001/01/17 17:53:21 dawes Exp $ */
- #ifndef _LBX_OPTS_H_
- #define _LBX_OPTS_H_
- /*
- * Negotiable configuration options
- */
- #define LBX_OPT_DELTA_PROXY 0
- #define LBX_OPT_DELTA_SERVER 1
- #define LBX_OPT_STREAM_COMP 2
- #define LBX_OPT_BITMAP_COMP 3
- #define LBX_OPT_PIXMAP_COMP 4
- #define LBX_OPT_MSG_COMP 5 /* aka "squishing" */
- #define LBX_OPT_USE_TAGS 6
- #define LBX_OPT_CMAP_ALL 7
- #define LBX_OPT_EXTENSION 255
- /*
- * Length fields are encoded in 1 or 3 bytes
- */
- #define LBX_OPT_SMALLLEN_SIZE 1
- #define LBX_OPT_BIGLEN_SIZE 3
- #define LBX_OPT_BIGLEN_MIN 256
- #define LBX_OPT_DECODE_LEN(p, len, size)
- if ((p)[0]) {
- (len) = (p)[0];
- (size) = LBX_OPT_SMALLLEN_SIZE;
- }
- else {
- (len) = ((LBX_OPT_BIGLEN_MIN + (p)[1]) << 8) | (p)[2];
- (size) = LBX_OPT_BIGLEN_SIZE;
- }
- /*
- * Option header lengths
- */
- #define LBX_OPT_SMALLHDR_LEN (1 + LBX_OPT_SMALLLEN_SIZE)
- #define LBX_OPT_BIGHDR_LEN (1 + LBX_OPT_BIGLEN_SIZE)
- /*
- * Delta compression parameters
- */
- #define LBX_OPT_DELTA_REQLEN 6
- #define LBX_OPT_DELTA_REPLYLEN 2
- #define LBX_OPT_DELTA_NCACHE_DFLT 16
- #define LBX_OPT_DELTA_MSGLEN_MIN 32
- #define LBX_OPT_DELTA_MSGLEN_DFLT 64
- /*
- * Stream compression opts
- */
- #include <sys/types.h>
- #if defined(WIN32) || (defined(USG) && !defined(CRAY) && !defined(umips) && !defined(MOTOROLA) && !defined(uniosu) && !defined(__sxg__))
- struct iovec {
- caddr_t iov_base;
- int iov_len;
- };
- #else
- #ifndef Lynx
- #include <sys/uio.h>
- #else
- #include <uio.h>
- #endif
- #endif
- typedef void *LbxStreamCompHandle;
- typedef struct _LbxStreamOpts {
- LbxStreamCompHandle (*streamCompInit)(int fd, pointer arg);
- pointer streamCompArg;
- int (*streamCompStuffInput)(
- int fd,
- unsigned char *buf,
- int buflen
- );
- int (*streamCompInputAvail)(
- int fd
- );
- int (*streamCompFlush)(
- int fd
- );
- int (*streamCompRead)(
- int fd,
- unsigned char *buf,
- int buflen
- );
- int (*streamCompWriteV)(
- int fd,
- struct iovec *iov,
- int iovcnt
- );
- void (*streamCompOn)(
- int fd
- );
- void (*streamCompOff)(
- int fd
- );
- void (*streamCompFreeHandle)(
- LbxStreamCompHandle handle
- );
- } LbxStreamOpts;
- #endif /* _LBX_OPTS_H_ */