mirror of https://github.com/FreeRDP/FreeRDP
74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
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/**
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* FreeRDP: A Remote Desktop Protocol client.
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* NSCODEC Codec Library - API Header
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*
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* Copyright 2011 Samsung
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* Author Jiten Pathy
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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 __NSC_H
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#define __NSC_H
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#include <freerdp/api.h>
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#include <freerdp/types.h>
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#include <freerdp/utils/stream.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define BYTESUM(_bs) (_bs[0] + _bs[1] + _bs[2] + _bs[3])
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#define ROUND_UP_TO(_b, _n) (_b + ((~(_b & (_n-1)) + 0x1) & (_n-1)));
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/* NSCODEC_BITMAP_STREAM */
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struct _NSC_STREAM
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{
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uint32 PlaneByteCount[4];
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uint8 colorLossLevel;
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uint8 ChromaSubSamplingLevel;
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uint16 Reserved;
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STREAM* pdata;
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};
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typedef struct _NSC_STREAM NSC_STREAM;
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struct _NSC_CONTEXT
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{
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uint32 OrgByteCount[4]; /* original byte length of luma, chroma orange, chroma green, alpha variable in order */
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NSC_STREAM* nsc_stream;
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uint16 width;
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uint16 height;
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uint8* bmpdata; /* final argb values in little endian order */
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STREAM* org_buf[4]; /* Decompressed Plane Buffers in the respective order */
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};
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typedef struct _NSC_CONTEXT NSC_CONTEXT;
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FREERDP_API NSC_CONTEXT* nsc_context_new(void);
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FREERDP_API void nsc_process_message(NSC_CONTEXT* context, uint8* data, uint32 length);
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FREERDP_API void nsc_context_initialize(NSC_CONTEXT* context, STREAM* s);
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FREERDP_API void nsc_stream_initialize(NSC_CONTEXT* context, STREAM* s);
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FREERDP_API void nsc_rle_decompress_data(NSC_CONTEXT* context);
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FREERDP_API void nsc_ycocg_rgb_convert(NSC_CONTEXT* context);
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FREERDP_API void nsc_rle_decode(STREAM* in, STREAM* out, uint32 origsz);
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FREERDP_API void nsc_chroma_supersample(NSC_CONTEXT* context);
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FREERDP_API void nsc_cl_expand(STREAM* stream, uint8 shiftcount, uint32 origsz);
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FREERDP_API void nsc_colorloss_recover(NSC_CONTEXT* context);
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FREERDP_API void nsc_ycocg_rgb(NSC_CONTEXT* context);
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FREERDP_API void nsc_context_destroy(NSC_CONTEXT* context);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __NSC_H */
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