rfx_encode.c File Reference

#include <freerdp/config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <winpr/crt.h>
#include <winpr/collections.h>
#include <freerdp/primitives.h>
#include "rfx_types.h"
#include "rfx_rlgr.h"
#include "rfx_differential.h"
#include "rfx_quantization.h"
#include "rfx_dwt.h"
#include "rfx_encode.h"

Macros
#define	MINMAX(_v, _l, _h)   ((_v) < (_l) ? (_l) : ((_v) > (_h) ? (_h) : (_v)))

Functions
static void	rfx_encode_format_rgb (const BYTE *WINPR_RESTRICT rgb_data, int width, int height, int rowstride, UINT32 pixel_format, const BYTE *WINPR_RESTRICT palette, INT16 *WINPR_RESTRICT r_buf, INT16 *WINPR_RESTRICT g_buf, INT16 *WINPR_RESTRICT b_buf)
static void	rfx_encode_component (RFX_CONTEXT *WINPR_RESTRICT context, const UINT32 *WINPR_RESTRICT quantization_values, INT16 *WINPR_RESTRICT data, BYTE *WINPR_RESTRICT buffer, int buffer_size, int *WINPR_RESTRICT size)
void	rfx_encode_rgb (RFX_CONTEXT *WINPR_RESTRICT context, RFX_TILE *WINPR_RESTRICT tile)

Macro Definition Documentation

MINMAX

#define MINMAX	(		_v,
			_l,
			_h
	)		((_v) < (_l) ? (_l) : ((_v) > (_h) ? (_h) : (_v)))

FreeRDP: A Remote Desktop Protocol Implementation RemoteFX Codec Library - Encode

Copyright 2011 Vic Lee Copyright 2011 Norbert Federa norbe.nosp@m.rt.f.nosp@m.edera.nosp@m.@thi.nosp@m.ncast.nosp@m..com

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.

Function Documentation

rfx_encode_component()

static void rfx_encode_component ( RFX_CONTEXT *WINPR_RESTRICT  context, const UINT32 *WINPR_RESTRICT  quantization_values, INT16 *WINPR_RESTRICT  data, BYTE *WINPR_RESTRICT  buffer, int  buffer_size, int *WINPR_RESTRICT  size  )

static

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rfx_encode_format_rgb()

static void rfx_encode_format_rgb ( const BYTE *WINPR_RESTRICT  rgb_data, int  width, int  height, int  rowstride, UINT32  pixel_format, const BYTE *WINPR_RESTRICT  palette, INT16 *WINPR_RESTRICT  r_buf, INT16 *WINPR_RESTRICT  g_buf, INT16 *WINPR_RESTRICT  b_buf  )

static

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rfx_encode_rgb()

void rfx_encode_rgb	(	RFX_CONTEXT *WINPR_RESTRICT	context,
		RFX_TILE *WINPR_RESTRICT	tile
	)

FreeRDP: A Remote Desktop Protocol Implementation RemoteFX Codec Library - Encode

Copyright 2011 Vic Lee

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.

We need to clear the buffers as the RLGR encoder expects it to be initialized to zero. This allows simplifying and improving the performance of the encoding process.

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