/usr/include/freerdp/codec/nsc.h is in libfreerdp-dev 1.0.2-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | /**
* FreeRDP: A Remote Desktop Protocol client.
* NSCodec Codec
*
* Copyright 2011 Samsung, Author Jiten Pathy
*
* 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 __NSC_H
#define __NSC_H
#include <freerdp/api.h>
#include <freerdp/types.h>
#include <freerdp/utils/stream.h>
#ifdef __cplusplus
extern "C" {
#endif
#define BYTESUM(_bs) (_bs[0] + _bs[1] + _bs[2] + _bs[3])
#define ROUND_UP_TO(_b, _n) (_b + ((~(_b & (_n-1)) + 0x1) & (_n-1)));
/* NSCODEC_BITMAP_STREAM */
struct _NSC_STREAM
{
uint32 PlaneByteCount[4];
uint8 colorLossLevel;
uint8 ChromaSubSamplingLevel;
uint16 Reserved;
STREAM* pdata;
};
typedef struct _NSC_STREAM NSC_STREAM;
struct _NSC_CONTEXT
{
uint32 OrgByteCount[4]; /* original byte length of luma, chroma orange, chroma green, alpha variable in order */
NSC_STREAM* nsc_stream;
uint16 width;
uint16 height;
uint8* bmpdata; /* final argb values in little endian order */
STREAM* org_buf[4]; /* Decompressed Plane Buffers in the respective order */
};
typedef struct _NSC_CONTEXT NSC_CONTEXT;
FREERDP_API NSC_CONTEXT* nsc_context_new(void);
FREERDP_API void nsc_process_message(NSC_CONTEXT* context, uint8* data, uint32 length);
FREERDP_API void nsc_context_initialize(NSC_CONTEXT* context, STREAM* s);
FREERDP_API void nsc_stream_initialize(NSC_CONTEXT* context, STREAM* s);
FREERDP_API void nsc_rle_decompress_data(NSC_CONTEXT* context);
FREERDP_API void nsc_ycocg_rgb_convert(NSC_CONTEXT* context);
FREERDP_API void nsc_rle_decode(STREAM* in, STREAM* out, uint32 origsz);
FREERDP_API void nsc_chroma_supersample(NSC_CONTEXT* context);
FREERDP_API void nsc_cl_expand(STREAM* stream, uint8 shiftcount, uint32 origsz);
FREERDP_API void nsc_colorloss_recover(NSC_CONTEXT* context);
FREERDP_API void nsc_ycocg_rgb(NSC_CONTEXT* context);
FREERDP_API void nsc_context_destroy(NSC_CONTEXT* context);
#ifdef __cplusplus
}
#endif
#endif /* __NSC_H */
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