libfreerdp-codec: stub ncrush bulk compression

include/freerdp/codec/ncrush.h

@@ -0,0 +1,56 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * NCrush (RDP6) 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_NCRUSH_H
+#define FREERDP_CODEC_NCRUSH_H
+
+#include <freerdp/api.h>
+#include <freerdp/types.h>
+
+#include <freerdp/codec/mppc.h>
+
+#include <winpr/bitstream.h>
+
+struct _NCRUSH_CONTEXT
+{
+	wBitStream* bs;
+	BOOL Compressor;
+	BYTE* HistoryPtr;
+	UINT32 HistoryOffset;
+	UINT32 HistoryBufferSize;
+	BYTE HistoryBuffer[65536];
+};
+typedef struct _NCRUSH_CONTEXT NCRUSH_CONTEXT;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+FREERDP_API int ncrush_compress(NCRUSH_CONTEXT* ncrush, BYTE* pSrcData, UINT32 SrcSize, BYTE* pDstData, UINT32* pDstSize, UINT32* pFlags);
+FREERDP_API int ncrush_decompress(NCRUSH_CONTEXT* ncrush, BYTE* pSrcData, UINT32 SrcSize, BYTE** ppDstData, UINT32* pDstSize, UINT32 flags);
+
+FREERDP_API NCRUSH_CONTEXT* ncrush_context_new(BOOL Compressor);
+FREERDP_API void ncrush_context_free(NCRUSH_CONTEXT* ncrush);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* FREERDP_CODEC_NCRUSH_H */
+ 

libfreerdp/codec/CMakeLists.txt

@@ -47,6 +47,7 @@ set(${MODULE_PREFIX}_SRCS
 	nsc_encode.c
 	nsc_encode.h
 	nsc_types.h
+	ncrush.c
 	mppc.c
 	mppc_dec.c
 	mppc_enc.c

libfreerdp/codec/ncrush.c

@@ -0,0 +1,70 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * NCrush (RDP6) 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/ncrush.h>
+
+int ncrush_compress(NCRUSH_CONTEXT* ncrush, BYTE* pSrcData, UINT32 SrcSize, BYTE* pDstData, UINT32* pDstSize, UINT32* pFlags)
+{
+	return 1;
+}
+
+int ncrush_decompress(NCRUSH_CONTEXT* ncrush, BYTE* pSrcData, UINT32 SrcSize, BYTE** ppDstData, UINT32* pDstSize, UINT32 flags)
+{
+	return 1;
+}
+
+NCRUSH_CONTEXT* ncrush_context_new(BOOL Compressor)
+{
+	NCRUSH_CONTEXT* ncrush;
+
+	ncrush = (NCRUSH_CONTEXT*) calloc(1, sizeof(NCRUSH_CONTEXT));
+
+	if (ncrush)
+	{
+		ncrush->Compressor = Compressor;
+
+		ncrush->bs = BitStream_New();
+
+		ncrush->HistoryBufferSize = 65536;
+		ZeroMemory(&(ncrush->HistoryBuffer), sizeof(ncrush->HistoryBuffer));
+
+		ncrush->HistoryOffset = 0;
+		ncrush->HistoryPtr = &(ncrush->HistoryBuffer[ncrush->HistoryOffset]);
+	}
+
+	return ncrush;
+}
+
+void ncrush_context_free(NCRUSH_CONTEXT* ncrush)
+{
+	if (ncrush)
+	{
+		BitStream_Free(ncrush->bs);
+
+		free(ncrush);
+	}
+}

libfreerdp/codec/test/CMakeLists.txt

@@ -7,6 +7,7 @@ set(${MODULE_PREFIX}_DRIVER ${MODULE_NAME}.c)
 set(${MODULE_PREFIX}_TESTS
 	TestFreeRDPRegion.c
 	TestFreeRDPCodecMppc.c
+	TestFreeRDPCodecNCrush.c
 	TestFreeRDPCodecPlanar.c
 	TestFreeRDPCodecRemoteFX.c)
 

libfreerdp/codec/test/TestFreeRDPCodecNCrush.c

@@ -0,0 +1,9 @@
+#include <winpr/crt.h>
+#include <winpr/print.h>
+
+#include <freerdp/codec/ncrush.h>
+
+int TestFreeRDPCodecNCrush(int argc, char* argv[])
+{
+	return 0;
+}