FreeRDP/libfreerdp-core/mppc.h
2012-03-21 22:48:40 +05:30

47 lines
1.4 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Client
* Implements Microsoft Point to Point Compression (MPPC) protocol
*
* Copyright 2011 Laxmikant Rashinkar <LK.Rashinkar@gmail.com>
* Copyright Jiten Pathy
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __MPPC_H
#define __MPPC_H
#include <stdint.h>
#define RDP6_HISTORY_BUF_SIZE 65536
#define RDP6_OFFSET_CACHE_SIZE 8
struct rdp_mppc
{
uint8 *history_buf;
uint16 *offset_cache;
uint8 *history_buf_end;
uint8 *history_ptr;
};
// forward declarations
int decompress_rdp(rdpRdp *, uint8 *, int, int, uint32 *, uint32 *);
int decompress_rdp_4(rdpRdp *, uint8 *, int, int, uint32 *, uint32 *);
int decompress_rdp_5(rdpRdp *, uint8 *, int, int, uint32 *, uint32 *);
int decompress_rdp_6(rdpRdp *, uint8 *, int, int, uint32 *, uint32 *);
int decompress_rdp_61(rdpRdp *, uint8 *, int, int, uint32 *, uint32 *);
struct rdp_mppc *mppc_new(rdpRdp *rdp);
void mppc_free(rdpRdp *rdp);
#endif