46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Client
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* Implements Microsoft Point to Point Compression (MPPC) protocol
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*
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* Copyright 2011 Laxmikant Rashinkar <LK.Rashinkar@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __MPPC_H
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#define __MPPC_H
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#include <stdint.h>
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#define RDP6_HISTORY_BUF_SIZE 65536
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#define RDP6_OFFSET_CACHE_SIZE 4
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struct rdp_mppc
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{
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uint8 *history_buf;
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uint16 *offset_cache;
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uint8 *history_buf_end;
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uint8 *history_ptr;
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};
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// forward declarations
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int decompress_rdp(rdpRdp *, uint8 *, int, int, uint32 *, uint32 *);
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int decompress_rdp_4(rdpRdp *, uint8 *, int, int, uint32 *, uint32 *);
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int decompress_rdp_5(rdpRdp *, uint8 *, int, int, uint32 *, uint32 *);
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int decompress_rdp_6(rdpRdp *, uint8 *, int, int, uint32 *, uint32 *);
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int decompress_rdp_61(rdpRdp *, uint8 *, int, int, uint32 *, uint32 *);
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struct rdp_mppc *mppc_new(rdpRdp *rdp);
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void mppc_free(rdpRdp *rdp);
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#endif
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