0.2.2-2

Library librududu.so

README.md

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+# RIC (Rududu Image Codec)
+[based CImg.h]
+
+   Copyright (C) 2007-2008 by Nicolas Botti  
+   <[email protected]>  
+
+   This program is free software; you can redistribute it and/or modify  
+   it under the terms of the GNU General Public License as published by  
+   the Free Software Foundation; either version 3 of the License, or  
+   (at your option) any later version.  
+
+   This program is distributed in the hope that it will be useful,  
+   but WITHOUT ANY WARRANTY; without even the implied warranty of  
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the  
+   GNU General Public License for more details.  
+
+   You should have received a copy of the GNU General Public License  
+   along with this program; if not, write to the  
+   Free Software Foundation, Inc.,  
+   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.  
+
+### BUILD
+
+```bash
+cd src
+autoreconf -fiv
+./configure --prefix=/usr
+make
+sudo make install
+```
+
+---  
+2018  
+zvezdochiot

src/LICENSE

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+../LICENSE

src/Makefile.am

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+# not a GNU package. You can remove this line, if
+# have all needed files, that a GNU package needs
+AUTOMAKE_OPTIONS = foreign
+
+SUBDIRS = lib ric utils

src/Makefile.cvs

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+default: all
+
+all:
+	autoreconf -vif

src/README.md

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+../README.md

src/autoconfig.sh

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+#!/bin/sh
+
+autoreconf -fiv

src/configure.in

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+AC_INIT(configure.in)
+
+AM_CONFIG_HEADER(config.h)
+AM_INIT_AUTOMAKE(rududu, 0.1)
+
+AC_LANG_CPLUSPLUS
+AC_PROG_CXX
+AM_PROG_LIBTOOL
+
+AC_OUTPUT(Makefile ric/Makefile lib/Makefile utils/Makefile)

src/lib/Makefile.am

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+INCLUDES = 
+METASOURCES = AUTO
+pkglib_LTLIBRARIES = librududu.la
+librududu_la_SOURCES = band.cpp bandcodec.cpp bitcodec.cpp dct2d.cpp \
+	geomcodec.cpp huffcodec.cpp image.cpp imagebuffer.cpp muxcodec.cpp obmc.cpp obme.cpp \
+	rududucodec.cpp wavelet2d.cpp
+librududu_la_LDFLAGS = -version-info 2:2:2 -no-undefined
+include_HEADERS = bandcodec.h bindct.h dct2d.h geomcodec.h huffcodec.h image.h \
+	imagebuffer.h obmc.h obme.h rududucodec.h

src/lib/band.cpp

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+/***************************************************************************
+ *   Copyright (C) 2006-2008 by Nicolas Botti                              *
+ *   <[email protected]>                                                  *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 3 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#include <string.h>
+
+#include "band.h"
+
+namespace rududu {
+
+CBand::CBand( void ):
+pData(0)
+{
+	pParent = 0;
+	pChild = 0;
+	Init();
+}
+
+CBand::~CBand()
+{
+	delete[] pData;
+}
+
+int CBand::GetSampleSize(void)
+{
+	switch(type){
+	case sshort :
+		return sizeof(short);
+	case sint :
+		return sizeof(int);
+	}
+	return 0;
+}
+
+void CBand::Init(band_t type, unsigned int x, unsigned int y, int Align)
+{
+	this->type = type;
+	int sample_size = GetSampleSize();
+	DimX = x;
+	DimY = y;
+	DimXAlign = (( DimX * sample_size + Align - 1 ) & ( -Align )) / sample_size;
+	BandSize = DimXAlign * DimY;
+	Weight = 1;
+	Count = 0;
+	if (BandSize != 0){
+		pData = new char[BandSize * sample_size + Align];
+		pBand = (void*)(((intptr_t)pData + Align - 1) & (-Align));
+	}
+}
+
+/*
+
+// {1, 2, sin(3*pi/8)/sqrt(2), 1/(sqrt(2)*sin(3*pi/8))}
+static const float dct_norm[4] = {1.f, 2.f, 0.6532814824381882515f, 0.7653668647301795581f};
+
+unsigned int CBand::TSUQ_DCTH(short Quant, float Thres)
+{
+	short Q[4], T[4];
+	int iQ[4];
+	for( int i = 0; i < 4; i++) {
+		Q[i] = (short) (Quant / (Weight * dct_norm[i]));
+		if (Q[i] == 0) Q[i] = 1;
+		iQ[i] = (int) (1 << 16) / Q[i];
+		T[i] = (short) (Thres * Q[i]);
+	}
+	int Min = 0, Max = 0;
+	Count = 0;
+	short * pCur = pBand;
+	for ( unsigned int j = 0; j < DimY ; j++) {
+		for ( unsigned int i = 0; i < DimX; i++) {
+			if ( (unsigned short) (pCur[i] + T[i & 3]) <= (unsigned short) (2 * T[i & 3])) {
+				pCur[i] = 0;
+			} else {
+				Count++;
+				pCur[i] = (pCur[i] * iQ[i & 3] + (1 << 15)) >> 16;
+				Max = MAX(pCur[i], Max);
+				Min = MIN(pCur[i], Min);
+			}
+		}
+		pCur += DimXAlign;
+	}
+	this->Min = Min;
+	this->Max = Max;
+	return Count;
+}
+
+unsigned int CBand::TSUQ_DCTV(short Quant, float Thres)
+{
+	short Q[4], T[4];
+	int iQ[4];
+	for( int i = 0; i < 4; i++) {
+		Q[i] = (short) (Quant / (Weight * dct_norm[i]));
+		if (Q[i] == 0) Q[i] = 1;
+		iQ[i] = (int) (1 << 16) / Q[i];
+		T[i] = (short) (Thres * Q[i]);
+	}
+	int Min = 0, Max = 0;
+	Count = 0;
+	short * pCur = pBand;
+	for ( unsigned int j = 0; j < DimY ; j++) {
+		for ( unsigned int i = 0; i < DimX; i++) {
+			if ( (unsigned short) (pCur[i] + T[j & 3]) <= (unsigned short) (2 * T[j & 3])) {
+				pCur[i] = 0;
+			} else {
+				Count++;
+				pCur[i] = (pCur[i] * iQ[j & 3] + (1 << 15)) >> 16;
+				Max = MAX(pCur[i], Max);
+				Min = MIN(pCur[i], Min);
+			}
+		}
+		pCur += DimXAlign;
+	}
+	this->Min = Min;
+	this->Max = Max;
+	return Count;
+}
+
+void CBand::TSUQ_DCTHi(short Quant)
+{
+	short Q[4];
+	for( int i = 0; i < 4; i++)
+		Q[i] = (short) (Quant / (Weight * dct_norm[i]));
+	short * pCur = pBand;
+	for ( unsigned int j = 0; j < DimY ; j++) {
+		for ( unsigned int i = 0; i < DimX; i++)
+			pCur[i] *= Q[i & 3];
+		pCur += DimXAlign;
+	}
+}
+
+void CBand::TSUQ_DCTVi(short Quant)
+{
+	short Q[4];
+	for( int i = 0; i < 4; i++)
+		Q[i] = (short) (Quant / (Weight * dct_norm[i]));
+	short * pCur = pBand;
+	for ( unsigned int j = 0; j < DimY ; j++) {
+		for ( unsigned int i = 0; i < DimX; i++)
+			pCur[i] *= Q[j & 3];
+		pCur += DimXAlign;
+	}
+}
+
+*/
+
+void CBand::Clear(bool recurse)
+{
+	memset(pBand, 0, BandSize * GetSampleSize());
+	if (recurse && pParent != 0)
+		pParent->Clear(true);
+}
+
+}