Void TEncEntropy::codeFiltCountBit(ALFParam* pAlfParam, Int64* ruiRate)
{
resetEntropy();
resetBits();
codeFilt(pAlfParam);
*ruiRate = getNumberOfWrittenBits();
resetEntropy();
resetBits();
}
int main(int ac, char *av[])
{
// int i;
int bits ;
int totbits = 0 ;
int n = readfile(av[1]);
// int Ml2 = atoi(av[3]);
struct BITSTREAM bs ;
printf("%d values\n",n);
resetBits(&bs);
// encode header
// NEMC
writeBits(&bs, 'N',8);writeBits(&bs, 'M',8);writeBits(&bs, 'E',8);writeBits(&bs, 'C',8);
writeBits(&bs, '0',8); // version 0
// number of lines
writeBits(&bs, n,32);
// encode time
// bits = timeenc(&bs, n, store);
bits = colenc(&bs, n, store, 0, 1); // ,1
printf("%d bits for time/date encoding (%f per line)\n",bits,(float)bits/n);
bits = colenc(&bs, n, store, 1, 1E7); // , Ml2);
bits += colenc(&bs, n, store, 2, 1E7);//, Ml2);
bits += colenc(&bs, n, store, 3, 1E7);//, Ml2);
printf("%d bits for position encoding (%f per line)\n",bits,(float)bits/n);
bits = colenc(&bs, n, store, 5, 5);//, Ml2);
printf("%d bits for depth encoding (%f per line)\n",bits,(float)bits/n);
flushBits(&bs);
totbits = (bs.bp - bs.bitstream)*8;
printf("real size: %d bytes (%1.1f bits per line)\n",totbits/8,(float)totbits/n);
{
FILE *f = fopen(av[2],"wb");
if (!f) {fprintf(stderr,"could not open file %s\n",av[2]);exit(20);}
fwrite(bs.bitstream,bs.bp - bs.bitstream,1,f);
fclose(f);
}
return 0;
}
/* a wrapper routine to optimize for the best coding parameter */
int colenc(struct BITSTREAM *bs, int n, const double *store, int col, double scale)
{
int minbits = 1<<30;
int minMl2 = 0;
int Ml2;
for (Ml2 = 1; Ml2 <= 8; Ml2++) {
int nbits;
struct BITSTREAM bs0;
resetBits(&bs0);
_colenc(&bs0,n,store,col,scale,Ml2);
nbits = bufferSize(&bs0);
if (nbits < minbits) {
minbits = nbits;
minMl2 = Ml2;
}
}
assert(minMl2 > 0);
printf("storing col %d at Ml2 = %d\n",col,minMl2);
_colenc(bs,n,store,col,scale,minMl2);
return 0;
}
BitFieldWidget::BitFieldWidget(QWidget* parent) :
QWidget(parent)
{
m_bitWidgets.reserve(NumberOfBits);
for (int i = 0; i < NumberOfBits; ++i) {
BitWidget* bitWidget = new BitWidget(i);
connect(bitWidget, SIGNAL(stateChanged(bool)), this, SLOT(onBitChanged()));
m_bitWidgets.append(bitWidget);
}
QGridLayout* fieldLayout = new QGridLayout;
int bitOffset = 0;
for (int column = 0; column < 17; ++column) {
if ((column % 2) == 0) {
if ((column % 4) != 0)
continue;
QLabel* topNumberLabel = new QLabel;
QLabel* bottomNumberLabel = new QLabel;
int topNumber = NumberOfBits - column * 2;
int bottomNumber = topNumber - NumberOfBits / 2;
if (column == 0) {
--topNumber;
--bottomNumber;
}
topNumberLabel->setText(QString("%1").arg(topNumber));
bottomNumberLabel->setText(QString("%1").arg(bottomNumber));
fieldLayout->addWidget(topNumberLabel, 0, column);
fieldLayout->addWidget(bottomNumberLabel, 1, column);
} else {
QHBoxLayout* bottomLayout(new QHBoxLayout);
QHBoxLayout* topLayout(new QHBoxLayout);
for (int j = 0; j < 4; ++j) {
const int topIndex = NumberOfBits - 1 - bitOffset * 4 - j;
topLayout->addWidget(m_bitWidgets.at(topIndex));
bottomLayout->addWidget(m_bitWidgets.at(topIndex - NumberOfBits / 2));
}
++bitOffset;
fieldLayout->addLayout(bottomLayout, 1, column, Qt::AlignCenter);
fieldLayout->addLayout(topLayout, 0, column, Qt::AlignCenter);
}
}
QPushButton* resetButton = new QPushButton("0");
resetButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
connect(resetButton, SIGNAL(clicked()), this, SLOT(resetBits()));
QPushButton* invertButton = new QPushButton("~");
invertButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
connect(invertButton, SIGNAL(clicked()), this, SLOT(invertBits()));
QPushButton* shiftLeftButton = new QPushButton("<<");
shiftLeftButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
connect(shiftLeftButton, SIGNAL(clicked()), this, SLOT(shiftBitsLeft()));
QPushButton* shiftRightButton = new QPushButton(">>");
shiftRightButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
connect(shiftRightButton, SIGNAL(clicked()), this, SLOT(shiftBitsRight()));
QVBoxLayout* buttonsLayout = new QVBoxLayout;
buttonsLayout->addWidget(resetButton);
buttonsLayout->addWidget(shiftLeftButton);
QVBoxLayout* buttonsLayout2 = new QVBoxLayout;
buttonsLayout2->addWidget(invertButton);
buttonsLayout2->addWidget(shiftRightButton);
QHBoxLayout* mainLayout = new QHBoxLayout(this);
mainLayout->addStretch();
mainLayout->addLayout(fieldLayout);
mainLayout->addLayout(buttonsLayout);
mainLayout->addLayout(buttonsLayout2);
mainLayout->addStretch();
}
