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libfreerdp-codec: stub XCrush data compression

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This commit is contained in:
Marc-André Moreau 2014-05-04 19:46:40 -04:00
parent 5b0822a437
commit 77790874c8
7 changed files with 190 additions and 3 deletions
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40
include/freerdp/codec/bulk.h Normal file
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@ -0,0 +1,40 @@
/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Bulk Data Compression
*
* Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* 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 FREERDP_CODEC_BULK_H
#define FREERDP_CODEC_BULK_H
#include <freerdp/api.h>
#include <freerdp/types.h>
/* Level-2 Compression Flags */
#define PACKET_COMPRESSED 0x20
#define PACKET_AT_FRONT 0x40
#define PACKET_FLUSHED 0x80
/* Level-1 Compression Flags */
#define L1_PACKET_AT_FRONT 0x04
#define L1_NO_COMPRESSION 0x02
#define L1_COMPRESSED 0x01
#define L1_INNER_COMPRESSION 0x10
#endif /* FREERDP_CODEC_BULK_H */

4
include/freerdp/codec/mppc.h
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@ -25,9 +25,7 @@
#include <winpr/bitstream.h>
#define PACKET_COMPRESSED 0x20
#define PACKET_AT_FRONT 0x40
#define PACKET_FLUSHED 0x80
#include <freerdp/codec/bulk.h>
struct _MPPC_CONTEXT
{

69
include/freerdp/codec/xcrush.h Normal file
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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* XCrush (RDP6.1) Bulk Data Compression
*
* Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* 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 FREERDP_CODEC_XCRUSH_H
#define FREERDP_CODEC_XCRUSH_H
#include <freerdp/api.h>
#include <freerdp/types.h>
#include <freerdp/codec/mppc.h>
struct _RDP61_MATCH_DETAILS
{
UINT16 MatchLength;
UINT16 MatchOutputOffset;
UINT32 MatchHistoryOffset;
};
typedef struct _RDP61_MATCH_DETAILS RDP61_MATCH_DETAILS;
struct _RDP61_COMPRESSED_DATA
{
BYTE Level1ComprFlags;
BYTE Level2ComprFlags;
UINT16 MatchCount;
RDP61_MATCH_DETAILS* MatchDetails;
BYTE* Literals;
};
typedef struct _RDP61_COMPRESSED_DATA RDP61_COMPRESSED_DATA;
struct _XCRUSH_CONTEXT
{
BOOL Compressor;
};
typedef struct _XCRUSH_CONTEXT XCRUSH_CONTEXT;
#ifdef __cplusplus
extern "C" {
#endif
FREERDP_API int xcrush_compress(XCRUSH_CONTEXT* xcrush, BYTE* pSrcData, UINT32 SrcSize, BYTE** ppDstData, UINT32* pDstSize, UINT32* pFlags);
FREERDP_API int xcrush_decompress(XCRUSH_CONTEXT* xcrush, BYTE* pSrcData, UINT32 SrcSize, BYTE** ppDstData, UINT32* pDstSize, UINT32 flags);
FREERDP_API void xcrush_context_reset(XCRUSH_CONTEXT* xcrush);
FREERDP_API XCRUSH_CONTEXT* xcrush_context_new(BOOL Compressor);
FREERDP_API void xcrush_context_free(XCRUSH_CONTEXT* xcrush);
#ifdef __cplusplus
}
#endif
#endif /* FREERDP_CODEC_XCRUSH_H */

1
libfreerdp/codec/CMakeLists.txt
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@ -48,6 +48,7 @@ set(${MODULE_PREFIX}_SRCS
nsc_encode.h
nsc_types.h
ncrush.c
xcrush.c
mppc.c
jpeg.c)

1
libfreerdp/codec/test/CMakeLists.txt
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@ -8,6 +8,7 @@ set(${MODULE_PREFIX}_TESTS
TestFreeRDPRegion.c
TestFreeRDPCodecMppc.c
TestFreeRDPCodecNCrush.c
TestFreeRDPCodecXCrush.c
TestFreeRDPCodecPlanar.c
TestFreeRDPCodecRemoteFX.c)

10
libfreerdp/codec/test/TestFreeRDPCodecXCrush.c Normal file
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@ -0,0 +1,10 @@
#include <winpr/crt.h>
#include <winpr/print.h>
#include <freerdp/codec/xcrush.h>
int TestFreeRDPCodecXCrush(int argc, char* argv[])
{
return 0;
}

68
libfreerdp/codec/xcrush.c Normal file
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@ -0,0 +1,68 @@
/**
* FreeRDP: A Remote Desktop Protocol Implementation
* XCrush (RDP6.1) Bulk Data Compression
*
* Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <winpr/crt.h>
#include <winpr/print.h>
#include <winpr/bitstream.h>
#include <freerdp/codec/xcrush.h>
int xcrush_decompress(XCRUSH_CONTEXT* xcrush, BYTE* pSrcData, UINT32 SrcSize, BYTE** ppDstData, UINT32* pDstSize, UINT32 flags)
{
return 1;
}
int xcrush_compress(XCRUSH_CONTEXT* xcrush, BYTE* pSrcData, UINT32 SrcSize, BYTE** ppDstData, UINT32* pDstSize, UINT32* pFlags)
{
return 1;
}
void xcrush_context_reset(XCRUSH_CONTEXT* xcrush)
{
}
XCRUSH_CONTEXT* xcrush_context_new(BOOL Compressor)
{
XCRUSH_CONTEXT* xcrush;
xcrush = (XCRUSH_CONTEXT*) calloc(1, sizeof(XCRUSH_CONTEXT));
if (xcrush)
{
xcrush->Compressor = Compressor;
xcrush_context_reset(xcrush);
}
return xcrush;
}
void xcrush_context_free(XCRUSH_CONTEXT* xcrush)
{
if (xcrush)
{
free(xcrush);
}
}