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

Here is the call graph for this function:

Here is the caller graph for this function:

nsc_compute_byte_count()

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

static

nsc_context_initialize_encode()

static BOOL nsc_context_initialize_encode ( NSC_CONTEXT *WINPR_RESTRICT  context )

static

Here is the call graph for this function:

Here is the caller graph for this function:

nsc_decompose_message()

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

Here is the call graph for this function:

nsc_encode()

BOOL nsc_encode	(	NSC_CONTEXT *WINPR_RESTRICT	context,
		const BYTE *WINPR_RESTRICT	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.

Here is the call graph for this function:

Here is the caller graph for this function:

nsc_encode_argb_to_aycocg()

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

static

Here is the call graph for this function:

Here is the caller graph for this function:

nsc_encode_subsampling()

static BOOL nsc_encode_subsampling ( NSC_CONTEXT *WINPR_RESTRICT  context )

static

Here is the caller graph for this function:

nsc_rle_compress_data()

static void nsc_rle_compress_data ( NSC_CONTEXT *WINPR_RESTRICT  context )

static

Here is the call graph for this function:

Here is the caller graph for this function:

nsc_rle_encode()

static UINT32 nsc_rle_encode ( const BYTE *WINPR_RESTRICT  in, BYTE *WINPR_RESTRICT  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.

Here is the caller graph for this function:

nsc_write_message()

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

static

Here is the call graph for this function:

Here is the caller graph for this function: