119 lines
3.5 KiB
C
119 lines
3.5 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* NSCodec Codec
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*
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* Copyright 2011 Samsung, Author Jiten Pathy
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* Copyright 2012 Vic Lee
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* Copyright 2016 Armin Novak <armin.novak@thincast.com>
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* Copyright 2016 Thincast Technologies GmbH
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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 FREERDP_CODEC_NSCODEC_H
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#define FREERDP_CODEC_NSCODEC_H
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#include <freerdp/api.h>
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#include <freerdp/types.h>
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#include <freerdp/constants.h>
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#include <winpr/stream.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct _NSC_MESSAGE
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{
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UINT32 x;
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UINT32 y;
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UINT32 width;
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UINT32 height;
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const BYTE* data;
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UINT32 scanline;
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BYTE* PlaneBuffer;
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UINT32 MaxPlaneSize;
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BYTE* PlaneBuffers[5];
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UINT32 OrgByteCount[4];
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UINT32 LumaPlaneByteCount;
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UINT32 OrangeChromaPlaneByteCount;
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UINT32 GreenChromaPlaneByteCount;
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UINT32 AlphaPlaneByteCount;
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UINT32 ColorLossLevel;
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UINT32 ChromaSubsamplingLevel;
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};
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typedef struct _NSC_MESSAGE NSC_MESSAGE;
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typedef struct _NSC_CONTEXT_PRIV NSC_CONTEXT_PRIV;
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typedef struct _NSC_CONTEXT NSC_CONTEXT;
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struct _NSC_CONTEXT
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{
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UINT32 OrgByteCount[4];
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UINT32 format;
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UINT16 width;
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UINT16 height;
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BYTE* BitmapData;
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UINT32 BitmapDataLength;
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BYTE* Planes;
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UINT32 PlaneByteCount[4];
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UINT32 ColorLossLevel;
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UINT32 ChromaSubsamplingLevel;
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BOOL DynamicColorFidelity;
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/* color palette allocated by the application */
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const BYTE* palette;
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BOOL (*decode)(NSC_CONTEXT* context);
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BOOL (*encode)(NSC_CONTEXT* context, const BYTE* BitmapData,
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UINT32 rowstride);
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NSC_CONTEXT_PRIV* priv;
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};
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FREERDP_API BOOL nsc_context_set_pixel_format(NSC_CONTEXT* context,
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UINT32 pixel_format);
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FREERDP_API BOOL nsc_process_message(NSC_CONTEXT* context, UINT16 bpp,
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UINT32 width, UINT32 height,
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const BYTE* data, UINT32 length,
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BYTE* pDstData, UINT32 DstFormat,
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UINT32 nDstStride, UINT32 nXDst, UINT32 nYDst,
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UINT32 nWidth, UINT32 nHeight, UINT32 flip);
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FREERDP_API BOOL nsc_compose_message(NSC_CONTEXT* context, wStream* s,
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const BYTE* bmpdata,
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UINT32 width, UINT32 height, UINT32 rowstride);
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FREERDP_API NSC_MESSAGE* nsc_encode_messages(NSC_CONTEXT* context,
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const BYTE* data,
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UINT32 x, UINT32 y,
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UINT32 width, UINT32 height, UINT32 scanline,
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UINT32* numMessages, UINT32 maxDataSize);
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FREERDP_API BOOL nsc_write_message(NSC_CONTEXT* context, wStream* s,
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NSC_MESSAGE* message);
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FREERDP_API void nsc_message_free(NSC_CONTEXT* context, NSC_MESSAGE* message);
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FREERDP_API BOOL nsc_context_reset(NSC_CONTEXT* context, UINT32 width,
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UINT32 height);
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FREERDP_API NSC_CONTEXT* nsc_context_new(void);
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FREERDP_API void nsc_context_free(NSC_CONTEXT* context);
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#ifdef __cplusplus
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}
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#endif
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#endif /* FREERDP_CODEC_NSCODEC_H */
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