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videodebugger.cpp
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#include "videodebugger.h"
#include <QColor>
VideoDebugger::VideoDebugger(QObject *parent, bool display) :
QObject(parent),
_colorsWindow(new Ui_Colors()),
_display(display),
_API()
{
QString ips[] = {"192.168.3.7:34000", "192.168.3.7:34000", "192.168.3.7:34000", "192.168.3.7:34000"};
for (int i = 0; i < 4; ++i) {
QMap<Color*, int> m;
map.append(m);
QColor c = QColor(0, 0, 0);
_average.append(c);
QList<QColor> lc;
_lastColors.append(lc);
QTime t;
_timer.append(t);
this->_timer[i].restart();
_API.append(new APIConnector(ips[i]));
}
QWidget* wid = new QWidget(0);
_colorsWindow->setupUi(wid);
wid->show();
int divisions = 10;
for (int r = 2; r < divisions; ++r) {
for (int g = 2; g < divisions; ++g) {
for (int b = 2; b < divisions; ++b) {
Color* color = new Color();
color->red = r * 255 / (divisions - 1);
color->green = g * 255 / (divisions - 1);
color->blue = b * 255 / (divisions - 1);
if (qAbs(r - b) > 0 || qAbs(r - g) > 0)
_palet.append(color);
}
}
}
this->_colorsWindow->label_1->setAutoFillBackground(true);
this->_colorsWindow->label_2->setAutoFillBackground(true);
this->_colorsWindow->label_3->setAutoFillBackground(true);
this->_colorsWindow->label_4->setAutoFillBackground(true);
}
void
VideoDebugger::mediaCheck(QMediaPlayer::MediaStatus status) {
qDebug() << status;
}
float
VideoDebugger::clamp(float value)
{
return value < 0.0 ? 0.0 : (value > 255.0 ? 255.0 : value);
}
int count = 0;
void
VideoDebugger::processFrame(QVideoFrame frame)
{
if (frame.map(QAbstractVideoBuffer::ReadOnly) == true)
{
//qDebug() << frame.pixelFormat();
if (frame.isReadable() == true)
{
count++;
for (int i = 0; i < 4; ++i) {
this->map[i].clear();
for (Color* color : _palet) {
this->map[i][color] = 0;
}
}
uchar *bits = frame.bits();
float Y, U, V;
float R, G, B;
if (false && count == 200) {
QImage image(frame.width(), frame.height(), QImage::Format_RGB32);
for (int x = 0 ; x < frame.width() ; x += 1) {
for (int y = 0 ; y < frame.height() ; y += 1) {/*
const int xx = x >> 1;
const int yy = y >> 1;
const int Y = frame.data[0][y * frame.linesize[0] + x] - 16;
const int U = frame.data[1][yy * frame.linesize[1] + xx] - 128;
const int V = frame.data[2][yy * frame.linesize[2] + xx] - 128;
const int r = qBound(0, (298 * Y + 409 * V + 128) >> 8, 255);
const int g = qBound(0, (298 * Y - 100 * U - 208 * V + 128) >> 8, 255);
const int b = qBound(0, (298 * Y + 516 * U + 128) >> 8, 255);*/
Y = bits[x + y * frame.width()];
U = bits[frame.width() * frame.height() + 2 * (x / 2 + (y / 2) * (frame.width() / 2))];
V = bits[frame.width() * frame.height() + 2 * ((x / 2 + (y / 2) * (frame.width() / 2))) + 1];
// V = bits[frame.width() * frame.height() + frame.width() * frame.height() / 4 + (x + y * frame.width()) / 4] - 128;
// R = this->clamp(1.164*(Y - 16) + 1.596*(V - 128));
// G = this->clamp(1.164*(Y - 16) - 0.813*(V - 128) - 0.391*(U - 128));
// B = this->clamp(1.164*(Y - 16) + 2.018*(U - 128));
// R = 1.164 * (Y-16) + 1.596*(V - 128);
// G = 1.164 * (Y-16) - 0.813 * (V - 128) - 0.391 * (U - 128);
// B = 1.164 * (Y-16) + 2.018 * (U - 128);
// R = Y + 1.402 * V;
// G = Y - 0.34414 * U - 0.71414 * V;
// B = Y + 1.772 * U;
// R = Y + 1.402 * (V - 128);
// G = Y - 0.34414 * (Y - 128) - 0.71414 * (V - 128);
// B = Y + 1.772 * (U - 128);
// R = this->clamp(Y + V * 1.13983);
// G = this->clamp(Y - 0.39465 * U - 0.58060 * V);
// B = this->clamp(Y + 2.03211 * U);
R = Y + 1.4075 * (V - 128);
G = Y - 0.3455 * (U - 128) - (0.7169 * (V - 128));
B = Y + 1.7790 * (U - 128);
//qDebug() << Y << U << V << R << G << B;
image.setPixel(x, y, QColor(R, G, B).rgb());
}
}
image.save("C:/Users/louis/Documents/Rendu/test.png");
}
int sampleNumber = 0;
for (int x = 0 ; x < frame.width() ; x += 20) {
for (int y = 0 ; y < frame.height() ; y += 20) {
sampleNumber++;
Y = bits[x + y * frame.width()];
U = bits[frame.width() * frame.height() + 2 * (x / 2 + (y / 2) * (frame.width() / 2))];
V = bits[frame.width() * frame.height() + 2 * ((x / 2 + (y / 2) * (frame.width() / 2))) + 1];
R = Y + 1.4075 * (V - 128);
G = Y - 0.3455 * (U - 128) - (0.7169 * (V - 128));
B = Y + 1.7790 * (U - 128);
if (R >= 30 && G >= 30 && B >= 30 && (qAbs(R - G) > 30 || qAbs(R - B) > 30)) {
int min = -1;
Color* best = NULL;
for (Color* color : _palet) {
int dist = color->distance(R, G, B);
if (min == -1 || dist < min) {
min = dist;
best = color;
}
}
if (best) {
if (x < frame.width() / 2 && y < frame.height() / 2) {
map[0][best] += 1;
}
else if (x >= frame.width() / 2 && y < frame.height() / 2) {
map[1][best] += 1;
}
else if (x < frame.width() / 2 && y >= frame.height() / 2) {
map[2][best] += 1;
}
else {
map[3][best] += 1;
}
}
}
}
}
for (int i = 0; i < 4; ++i) {
QColor color;
int count = 0;
for (QMap<Color*, int>::iterator it = map[i].begin(); it != map[i].end(); ++it) {
if (it.value() > count) {
count = it.value();
color.setRed(it.key()->red);
color.setGreen(it.key()->green);
color.setBlue(it.key()->blue);
}
}
this->_lastColors[i].push_back(color);
int size = this->_lastColors[i].size();
if (size > 5) {
this->_average[i].setRed(clamp((this->_average[i].red() * (size - 1) - this->_lastColors[i].first().red() + color.red()) / (size - 1)));
this->_average[i].setGreen(clamp((this->_average[i].green() * (size - 1) - this->_lastColors[i].first().green() + color.green()) / (size - 1)));
this->_average[i].setBlue(clamp((this->_average[i].blue() * (size - 1) - this->_lastColors[i].first().blue() + color.blue()) / (size - 1)));
this->_lastColors[i].removeFirst();
} else if (size == 1) {
this->_average[i] = color;
} else {
this->_average[i].setRed((this->_average[i].red() * (size - 1) + color.red()) / size);
this->_average[i].setGreen((this->_average[i].green() * (size - 1) + color.green()) / size);
this->_average[i].setBlue((this->_average[i].blue() * (size - 1) + color.blue()) / size);
}
Color c;
c.red = color.red();
c.green= color.green();
c.blue = color.blue();
if (this->_timer[i].elapsed() > 1000 / 10 || c.distance(_average[i].red(), _average[i].green(), _average[i].blue()) > 120) {
this->_API[i]->setColor(_average[i]);
QPalette palette;
if (i == 0) {
palette.setColor(this->_colorsWindow->label_1->backgroundRole(), _average[i]);
palette.setColor(this->_colorsWindow->label_1->foregroundRole(), _average[i]);
this->_colorsWindow->label_1->setPalette(palette);
} else if (i == 1) {
palette.setColor(this->_colorsWindow->label_2->backgroundRole(), _average[i]);
palette.setColor(this->_colorsWindow->label_2->foregroundRole(), _average[i]);
this->_colorsWindow->label_2->setPalette(palette);
} else if (i == 2) {
palette.setColor(this->_colorsWindow->label_3->backgroundRole(), _average[i]);
palette.setColor(this->_colorsWindow->label_3->foregroundRole(), _average[i]);
this->_colorsWindow->label_3->setPalette(palette);
} else {
palette.setColor(this->_colorsWindow->label_4->backgroundRole(), _average[i]);
palette.setColor(this->_colorsWindow->label_4->foregroundRole(), _average[i]);
this->_colorsWindow->label_4->setPalette(palette);
}
this->_timer[i].restart();
}
}
}
frame.unmap();
}
}