nsc_encode.c File Reference

#include <freerdp/config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <winpr/crt.h>
#include <freerdp/codec/nsc.h>
#include <freerdp/codec/color.h>
#include "nsc_types.h"
#include "nsc_encode.h"

Functions
static BOOL	nsc_write_message (NSC_CONTEXT *context, wStream *s, const NSC_MESSAGE *message)
static BOOL	nsc_context_initialize_encode (NSC_CONTEXT *context)
static BOOL	nsc_encode_argb_to_aycocg (NSC_CONTEXT *context, const BYTE *data, UINT32 scanline)
static BOOL	nsc_encode_subsampling (NSC_CONTEXT *context)
BOOL	nsc_encode (NSC_CONTEXT *context, const BYTE *bmpdata, UINT32 rowstride)
static UINT32	nsc_rle_encode (const BYTE *in, BYTE *out, UINT32 originalSize)
static void	nsc_rle_compress_data (NSC_CONTEXT *context)
static UINT32	nsc_compute_byte_count (NSC_CONTEXT *context, UINT32 *ByteCount, UINT32 width, UINT32 height)
BOOL	nsc_compose_message (NSC_CONTEXT *context, wStream *s, const BYTE *data, UINT32 width, UINT32 height, UINT32 scanline)
BOOL	nsc_decompose_message (NSC_CONTEXT *context, wStream *s, BYTE *bmpdata, UINT32 x, UINT32 y, UINT32 width, UINT32 height, UINT32 rowstride, UINT32 format, UINT32 flip)

Function Documentation

nsc_compose_message()

BOOL nsc_compose_message	(	NSC_CONTEXT *	context,
		wStream *	s,
		const BYTE *	data,
		UINT32	width,
		UINT32	height,
		UINT32	scanline
	)

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nsc_compute_byte_count()

static UINT32 nsc_compute_byte_count ( NSC_CONTEXT *  context, UINT32 *  ByteCount, UINT32  width, UINT32  height  )

static

nsc_context_initialize_encode()

static BOOL nsc_context_initialize_encode ( NSC_CONTEXT *  context )

static

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nsc_decompose_message()

BOOL nsc_decompose_message	(	NSC_CONTEXT *	context,
		wStream *	s,
		BYTE *	bmpdata,
		UINT32	x,
		UINT32	y,
		UINT32	width,
		UINT32	height,
		UINT32	rowstride,
		UINT32	format,
		UINT32	flip
	)

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nsc_encode()

BOOL nsc_encode	(	NSC_CONTEXT *	context,
		const BYTE *	bmpdata,
		UINT32	rowstride
	)

FreeRDP: A Remote Desktop Protocol Implementation NSCodec Encoder

Copyright 2012 Vic Lee Copyright 2016 Armin Novak armin.nosp@m..nov.nosp@m.ak@th.nosp@m.inca.nosp@m.st.co.nosp@m.m Copyright 2016 Thincast Technologies GmbH

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.

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nsc_encode_argb_to_aycocg()

static BOOL nsc_encode_argb_to_aycocg ( NSC_CONTEXT *  context, const BYTE *  data, UINT32  scanline  )

static

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nsc_encode_subsampling()

static BOOL nsc_encode_subsampling ( NSC_CONTEXT *  context )

static

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nsc_rle_compress_data()

static void nsc_rle_compress_data ( NSC_CONTEXT *  context )

static

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nsc_rle_encode()

static UINT32 nsc_rle_encode ( const BYTE *  in, BYTE *  out, UINT32  originalSize  )

static

We quit the loop if the running compressed size is larger than the original. In such cases data will be sent uncompressed.

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nsc_write_message()

BOOL nsc_write_message ( NSC_CONTEXT *  context, wStream *  s, const NSC_MESSAGE *  message  )

static

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