FreeRDP
zgfx.c File Reference
#include <winpr/crt.h>
#include <winpr/print.h>
#include <winpr/bitstream.h>
#include <freerdp/log.h>
#include <freerdp/codec/zgfx.h>

Macros

#define TAG   FREERDP_TAG("codec")
 

Functions

static INLINE BOOL zgfx_GetBits (ZGFX_CONTEXT *_zgfx, UINT32 _nbits)
 
static void zgfx_history_buffer_ring_write (ZGFX_CONTEXT *zgfx, const BYTE *src, size_t count)
 
static void zgfx_history_buffer_ring_read (ZGFX_CONTEXT *zgfx, int offset, BYTE *dst, UINT32 count)
 
static BOOL zgfx_decompress_segment (ZGFX_CONTEXT *zgfx, wStream *stream, size_t segmentSize)
 
int zgfx_decompress (ZGFX_CONTEXT *zgfx, const BYTE *pSrcData, UINT32 SrcSize, BYTE **ppDstData, UINT32 *pDstSize, UINT32 flags)
 
static BOOL zgfx_compress_segment (ZGFX_CONTEXT *zgfx, wStream *s, const BYTE *pSrcData, UINT32 SrcSize, UINT32 *pFlags)
 
int zgfx_compress_to_stream (ZGFX_CONTEXT *zgfx, wStream *sDst, const BYTE *pUncompressed, UINT32 uncompressedSize, UINT32 *pFlags)
 
int zgfx_compress (ZGFX_CONTEXT *zgfx, const BYTE *pSrcData, UINT32 SrcSize, BYTE **ppDstData, UINT32 *pDstSize, UINT32 *pFlags)
 
void zgfx_context_reset (ZGFX_CONTEXT *zgfx, BOOL flush)
 
ZGFX_CONTEXT * zgfx_context_new (BOOL Compressor)
 
void zgfx_context_free (ZGFX_CONTEXT *zgfx)
 

Variables

static const ZGFX_TOKEN ZGFX_TOKEN_TABLE []
 

Macro Definition Documentation

#define TAG   FREERDP_TAG("codec")

FreeRDP: A Remote Desktop Protocol Implementation ZGFX (RDP8) Bulk Data Compression

Copyright 2014 Marc-Andre Moreau marca.nosp@m.ndre.nosp@m..more.nosp@m.au@g.nosp@m.mail..nosp@m.com Copyright 2017 Armin Novak armin.nosp@m..nov.nosp@m.ak@th.nosp@m.inca.nosp@m.st.co.nosp@m.m Copyright 2017 Thincast Technologies GmbH

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.

Function Documentation

int zgfx_compress ( ZGFX_CONTEXT *  zgfx,
const BYTE pSrcData,
UINT32  SrcSize,
BYTE **  ppDstData,
UINT32 pDstSize,
UINT32 pFlags 
)

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static BOOL zgfx_compress_segment ( ZGFX_CONTEXT *  zgfx,
wStream *  s,
const BYTE pSrcData,
UINT32  SrcSize,
UINT32 pFlags 
)
static

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int zgfx_compress_to_stream ( ZGFX_CONTEXT *  zgfx,
wStream *  sDst,
const BYTE pUncompressed,
UINT32  uncompressedSize,
UINT32 pFlags 
)

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void zgfx_context_free ( ZGFX_CONTEXT *  zgfx)

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ZGFX_CONTEXT* zgfx_context_new ( BOOL  Compressor)

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void zgfx_context_reset ( ZGFX_CONTEXT *  zgfx,
BOOL  flush 
)

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int zgfx_decompress ( ZGFX_CONTEXT *  zgfx,
const BYTE pSrcData,
UINT32  SrcSize,
BYTE **  ppDstData,
UINT32 pDstSize,
UINT32  flags 
)

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static BOOL zgfx_decompress_segment ( ZGFX_CONTEXT *  zgfx,
wStream *  stream,
size_t  segmentSize 
)
static

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static INLINE BOOL zgfx_GetBits ( ZGFX_CONTEXT *  _zgfx,
UINT32  _nbits 
)
static

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static void zgfx_history_buffer_ring_read ( ZGFX_CONTEXT *  zgfx,
int  offset,
BYTE dst,
UINT32  count 
)
static

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static void zgfx_history_buffer_ring_write ( ZGFX_CONTEXT *  zgfx,
const BYTE src,
size_t  count 
)
static

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Variable Documentation

const ZGFX_TOKEN ZGFX_TOKEN_TABLE[]
static