1 /***************************************************************************
2 * Copyright (C) 2010 by Simon Andreas Eugster (simon.eu@gmail.com) *
3 * This file is part of kdenlive. See www.kdenlive.org. *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 ***************************************************************************/
15 #include <QMouseEvent>
21 #include "colorplaneexport.h"
22 #include "colortools.h"
24 #include "vectorscope.h"
25 #include "vectorscopegenerator.h"
27 const float P75 = .75;
28 const unsigned char DEFAULT_Y = 255;
30 const QPointF YUV_R(-.147, .615);
31 const QPointF YUV_G(-.289, -.515);
32 const QPointF YUV_B(.437, -.100);
33 const QPointF YUV_Cy(.147, -.615);
34 const QPointF YUV_Mg(.289, .515);
35 const QPointF YUV_Yl(-.437, .100);
37 const QPointF YPbPr_R(-.169, .5);
38 const QPointF YPbPr_G(-.331, -.419);
39 const QPointF YPbPr_B(.5, -.081);
40 const QPointF YPbPr_Cy(.169, -.5);
41 const QPointF YPbPr_Mg(.331, .419);
42 const QPointF YPbPr_Yl(-.5, .081);
45 Vectorscope::Vectorscope(MonitorManager *manager, QWidget *parent) :
46 AbstractGfxScopeWidget(manager, true, parent),
49 ui = new Ui::Vectorscope_UI();
52 m_colorTools = new ColorTools();
53 m_colorPlaneExport = new ColorPlaneExport(this);
54 m_vectorscopeGenerator = new VectorscopeGenerator();
56 ui->paintMode->addItem(i18n("Green 2"), QVariant(VectorscopeGenerator::PaintMode_Green2));
57 ui->paintMode->addItem(i18n("Green"), QVariant(VectorscopeGenerator::PaintMode_Green));
58 ui->paintMode->addItem(i18n("Black"), QVariant(VectorscopeGenerator::PaintMode_Black));
59 ui->paintMode->addItem(i18n("Modified YUV (Chroma)"), QVariant(VectorscopeGenerator::PaintMode_Chroma));
60 ui->paintMode->addItem(i18n("YUV"), QVariant(VectorscopeGenerator::PaintMode_YUV));
61 ui->paintMode->addItem(i18n("Original Color"), QVariant(VectorscopeGenerator::PaintMode_Original));
63 ui->backgroundMode->addItem(i18n("None"), QVariant(BG_NONE));
64 ui->backgroundMode->addItem(i18n("YUV"), QVariant(BG_YUV));
65 ui->backgroundMode->addItem(i18n("Modified YUV (Chroma)"), QVariant(BG_CHROMA));
66 ui->backgroundMode->addItem(i18n("YPbPr"), QVariant(BG_YPbPr));
68 ui->sliderGain->setMinimum(0);
69 ui->sliderGain->setMaximum(40);
72 b &= connect(ui->backgroundMode, SIGNAL(currentIndexChanged(int)), this, SLOT(slotBackgroundChanged()));
73 b &= connect(ui->sliderGain, SIGNAL(valueChanged(int)), this, SLOT(slotGainChanged(int)));
74 b &= connect(ui->paintMode, SIGNAL(currentIndexChanged(int)), this, SLOT(forceUpdateScope()));
75 b &= connect(this, SIGNAL(signalMousePositionChanged()), this, SLOT(forceUpdateHUD()));
76 ui->sliderGain->setValue(0);
79 ///// Build context menu /////
81 m_menu->addSeparator()->setText(i18n("Tools"));;
83 m_aExportBackground = new QAction(i18n("Export background"), this);
84 m_menu->addAction(m_aExportBackground);
85 b &= connect(m_aExportBackground, SIGNAL(triggered()), this, SLOT(slotExportBackground()));
87 m_menu->addSeparator()->setText(i18n("Drawing options"));
89 m_a75PBox = new QAction(i18n("75% box"), this);
90 m_a75PBox->setCheckable(true);
91 m_menu->addAction(m_a75PBox);
92 b &= connect(m_a75PBox, SIGNAL(changed()), this, SLOT(forceUpdateBackground()));
94 m_aAxisEnabled = new QAction(i18n("Draw axis"), this);
95 m_aAxisEnabled->setCheckable(true);
96 m_menu->addAction(m_aAxisEnabled);
97 b &= connect(m_aAxisEnabled, SIGNAL(changed()), this, SLOT(forceUpdateBackground()));
99 m_aIQLines = new QAction(i18n("Draw I/Q lines"), this);
100 m_aIQLines->setCheckable(true);
101 m_menu->addAction(m_aIQLines);
102 b &= connect(m_aIQLines, SIGNAL(changed()), this, SLOT(forceUpdateBackground()));
104 m_menu->addSeparator()->setText(i18n("Color Space"));
105 m_aColorSpace_YPbPr = new QAction(i18n("YPbPr"), this);
106 m_aColorSpace_YPbPr->setCheckable(true);
107 m_aColorSpace_YUV = new QAction(i18n("YUV"), this);
108 m_aColorSpace_YUV->setCheckable(true);
109 m_agColorSpace = new QActionGroup(this);
110 m_agColorSpace->addAction(m_aColorSpace_YPbPr);
111 m_agColorSpace->addAction(m_aColorSpace_YUV);
112 m_menu->addAction(m_aColorSpace_YPbPr);
113 m_menu->addAction(m_aColorSpace_YUV);
114 b &= connect(m_aColorSpace_YPbPr, SIGNAL(toggled(bool)), this, SLOT(slotColorSpaceChanged()));
115 b &= connect(m_aColorSpace_YUV, SIGNAL(toggled(bool)), this, SLOT(slotColorSpaceChanged()));
119 // To make the 1.0x text show
120 slotGainChanged(ui->sliderGain->value());
125 Vectorscope::~Vectorscope()
130 delete m_colorPlaneExport;
131 delete m_vectorscopeGenerator;
133 delete m_aColorSpace_YPbPr;
134 delete m_aColorSpace_YUV;
135 delete m_aExportBackground;
136 delete m_aAxisEnabled;
138 delete m_agColorSpace;
142 QString Vectorscope::widgetName() const { return QString("Vectorscope"); }
144 void Vectorscope::readConfig()
146 AbstractGfxScopeWidget::readConfig();
148 KSharedConfigPtr config = KGlobal::config();
149 KConfigGroup scopeConfig(config, configName());
150 m_a75PBox->setChecked(scopeConfig.readEntry("75PBox", false));
151 m_aAxisEnabled->setChecked(scopeConfig.readEntry("axis", false));
152 m_aIQLines->setChecked(scopeConfig.readEntry("iqlines", false));
153 ui->backgroundMode->setCurrentIndex(scopeConfig.readEntry("backgroundmode").toInt());
154 ui->paintMode->setCurrentIndex(scopeConfig.readEntry("paintmode").toInt());
155 ui->sliderGain->setValue(scopeConfig.readEntry("gain", 1));
156 m_aColorSpace_YPbPr->setChecked(scopeConfig.readEntry("colorspace_ypbpr", false));
157 m_aColorSpace_YUV->setChecked(!m_aColorSpace_YPbPr->isChecked());
160 void Vectorscope::writeConfig()
162 KSharedConfigPtr config = KGlobal::config();
163 KConfigGroup scopeConfig(config, configName());
164 scopeConfig.writeEntry("75PBox", m_a75PBox->isChecked());
165 scopeConfig.writeEntry("axis", m_aAxisEnabled->isChecked());
166 scopeConfig.writeEntry("iqlines", m_aIQLines->isChecked());
167 scopeConfig.writeEntry("backgroundmode", ui->backgroundMode->currentIndex());
168 scopeConfig.writeEntry("paintmode", ui->paintMode->currentIndex());
169 scopeConfig.writeEntry("gain", ui->sliderGain->value());
170 scopeConfig.writeEntry("colorspace_ypbpr", m_aColorSpace_YPbPr->isChecked());
174 QRect Vectorscope::scopeRect()
176 // Distance from top/left/right
179 // We want to paint below the controls area. The line is the lowest element.
180 QPoint topleft(offset, ui->verticalSpacer->geometry().y()+offset);
181 QPoint bottomright(ui->horizontalSpacer->geometry().right()-offset, this->size().height()-offset);
183 m_visibleRect = QRect(topleft, bottomright);
185 QRect scopeRect(topleft, bottomright);
187 // Circle Width: min of width and height
188 cw = (scopeRect.height() < scopeRect.width()) ? scopeRect.height() : scopeRect.width();
189 scopeRect.setWidth(cw);
190 scopeRect.setHeight(cw);
193 m_centerPoint = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), QPointF(0,0));
194 pR75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_R);
195 pG75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_G);
196 pB75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_B);
197 pCy75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_Cy);
198 pMg75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_Mg);
199 pYl75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_Yl);
200 qR75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YPbPr_R);
201 qG75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YPbPr_G);
202 qB75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YPbPr_B);
203 qCy75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YPbPr_Cy);
204 qMg75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YPbPr_Mg);
205 qYl75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YPbPr_Yl);
210 bool Vectorscope::isHUDDependingOnInput() const { return false; }
211 bool Vectorscope::isScopeDependingOnInput() const { return true; }
212 bool Vectorscope::isBackgroundDependingOnInput() const { return false; }
214 QImage Vectorscope::renderHUD(uint)
219 if (m_mouseWithinWidget) {
220 // Mouse moved: Draw a circle over the scope
222 hud = QImage(m_visibleRect.size(), QImage::Format_ARGB32);
223 hud.fill(qRgba(0, 0, 0, 0));
225 QPainter davinci(&hud);
226 QPoint widgetCenterPoint = m_scopeRect.topLeft() + m_centerPoint;
228 int dx = -widgetCenterPoint.x()+m_mousePos.x();
229 int dy = widgetCenterPoint.y()-m_mousePos.y();
231 QPoint reference = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(1,0));
233 float r = sqrt(dx*dx + dy*dy);
234 float percent = (float) 100*r/VectorscopeGenerator::scaling/m_gain/(reference.x() - widgetCenterPoint.x());
236 switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
238 davinci.setPen(penLight);
242 davinci.setPen(penLight);
244 davinci.setPen(penDark);
248 davinci.drawEllipse(m_centerPoint, (int)r, (int)r);
249 davinci.setPen(penThin);
250 davinci.drawText(QPoint(m_scopeRect.width()-40, m_scopeRect.height()), i18n("%1 \%", locale.toString(percent, 'f', 0)));
252 float angle = copysign(acos(dx/r)*180/M_PI, dy);
253 davinci.drawText(QPoint(10, m_scopeRect.height()), i18n("%1°", locale.toString(angle, 'f', 1)));
255 // m_circleEnabled = false;
257 hud = QImage(0, 0, QImage::Format_ARGB32);
259 emit signalHUDRenderingFinished(0, 1);
263 QImage Vectorscope::renderGfxScope(uint accelerationFactor, const QImage qimage)
265 QTime start = QTime::currentTime();
269 qDebug() << "Scope size not known yet. Aborting.";
272 VectorscopeGenerator::ColorSpace colorSpace = m_aColorSpace_YPbPr->isChecked() ?
273 VectorscopeGenerator::ColorSpace_YPbPr : VectorscopeGenerator::ColorSpace_YUV;
274 VectorscopeGenerator::PaintMode paintMode = (VectorscopeGenerator::PaintMode) ui->paintMode->itemData(ui->paintMode->currentIndex()).toInt();
275 scope = m_vectorscopeGenerator->calculateVectorscope(m_scopeRect.size(),
277 m_gain, paintMode, colorSpace,
278 m_aAxisEnabled->isChecked(), accelerationFactor);
282 unsigned int mseconds = start.msecsTo(QTime::currentTime());
283 emit signalScopeRenderingFinished(mseconds, accelerationFactor);
287 QImage Vectorscope::renderBackground(uint)
289 QTime start = QTime::currentTime();
292 QImage bg(m_visibleRect.size(), QImage::Format_ARGB32);
293 bg.fill(qRgba(0,0,0,0));
296 QPainter davinci(&bg);
297 davinci.setRenderHint(QPainter::Antialiasing, true);
302 // Draw the color plane (if selected)
304 switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
306 colorPlane = m_colorTools->yuvColorWheel(m_scopeRect.size(), (unsigned char) 128, 1/VectorscopeGenerator::scaling, false, true);
307 davinci.drawImage(0, 0, colorPlane);
310 colorPlane = m_colorTools->yuvColorWheel(m_scopeRect.size(), (unsigned char) 255, 1/VectorscopeGenerator::scaling, true, true);
311 davinci.drawImage(0, 0, colorPlane);
314 colorPlane = m_colorTools->yPbPrColorWheel(m_scopeRect.size(), (unsigned char) 128, 1/VectorscopeGenerator::scaling, true);
315 davinci.drawImage(0, 0, colorPlane);
321 // Draw I/Q lines (from the YIQ color space; Skin tones lie on the I line)
322 // Positions are calculated by transforming YIQ:[0 1 0] or YIQ:[0 0 1] to YUV/YPbPr.
323 if (m_aIQLines->isChecked()) {
325 switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
327 davinci.setPen(penLightDots);
330 davinci.setPen(penDarkDots);
334 if (m_aColorSpace_YUV->isChecked()) {
335 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(-.544,.838));
336 vinciPoint2 = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(.544,-.838));
338 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(-.675,.737));
339 vinciPoint2 = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(.675,-.737));
342 davinci.drawLine(vinciPoint, vinciPoint2);
343 davinci.setPen(penThick);
344 davinci.drawText(vinciPoint - QPoint(11, 5), "I");
347 switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
349 davinci.setPen(penLightDots);
352 davinci.setPen(penDarkDots);
356 if (m_aColorSpace_YUV->isChecked()) {
357 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(.838, .544));
358 vinciPoint2 = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(-.838,-.544));
360 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(.908, .443));
361 vinciPoint2 = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(-.908,-.443));
364 davinci.drawLine(vinciPoint, vinciPoint2);
365 davinci.setPen(penThick);
366 davinci.drawText(vinciPoint - QPoint(-7, 2), "Q");
372 // Draw the vectorscope circle
373 davinci.setPen(penThick);
374 davinci.drawEllipse(0, 0, cw, cw);
376 // Draw RGB/CMY points with 100% chroma
377 if (m_aColorSpace_YUV->isChecked()) {
378 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_R);
379 davinci.drawEllipse(vinciPoint, 4,4);
380 davinci.drawText(vinciPoint-QPoint(20, -10), "R");
382 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_G);
383 davinci.drawEllipse(vinciPoint, 4,4);
384 davinci.drawText(vinciPoint-QPoint(20, 0), "G");
386 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_B);
387 davinci.drawEllipse(vinciPoint, 4,4);
388 davinci.drawText(vinciPoint+QPoint(15, 10), "B");
390 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_Cy);
391 davinci.drawEllipse(vinciPoint, 4,4);
392 davinci.drawText(vinciPoint+QPoint(15, -5), "Cy");
394 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_Mg);
395 davinci.drawEllipse(vinciPoint, 4,4);
396 davinci.drawText(vinciPoint+QPoint(15, 10), "Mg");
398 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_Yl);
399 davinci.drawEllipse(vinciPoint, 4,4);
400 davinci.drawText(vinciPoint-QPoint(25, 0), "Yl");
402 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YPbPr_R);
403 davinci.drawEllipse(vinciPoint, 4,4);
404 davinci.drawText(vinciPoint-QPoint(20, -10), "R");
406 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YPbPr_G);
407 davinci.drawEllipse(vinciPoint, 4,4);
408 davinci.drawText(vinciPoint-QPoint(20, 0), "G");
410 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YPbPr_B);
411 davinci.drawEllipse(vinciPoint, 4,4);
412 davinci.drawText(vinciPoint+QPoint(15, 10), "B");
414 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YPbPr_Cy);
415 davinci.drawEllipse(vinciPoint, 4,4);
416 davinci.drawText(vinciPoint+QPoint(15, -5), "Cy");
418 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YPbPr_Mg);
419 davinci.drawEllipse(vinciPoint, 4,4);
420 davinci.drawText(vinciPoint+QPoint(15, 10), "Mg");
422 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YPbPr_Yl);
423 davinci.drawEllipse(vinciPoint, 4,4);
424 davinci.drawText(vinciPoint-QPoint(25, 0), "Yl");
427 switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
429 davinci.setPen(penLight);
432 davinci.setPen(penDark);
437 if (m_aAxisEnabled->isChecked()) {
438 davinci.drawLine(m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(0,-.9)), m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(0,.9)));
439 davinci.drawLine(m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(-.9,0)), m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(.9,0)));
443 switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
445 davinci.setPen(penDark);
448 davinci.setPen(penThin);
451 davinci.drawEllipse(m_centerPoint, 5,5);
455 if (m_a75PBox->isChecked()) {
456 if (m_aColorSpace_YUV->isChecked()) {
457 davinci.drawLine(pR75, pYl75);
458 davinci.drawLine(pYl75, pG75);
459 davinci.drawLine(pG75, pCy75);
460 davinci.drawLine(pCy75, pB75);
461 davinci.drawLine(pB75, pMg75);
462 davinci.drawLine(pMg75, pR75);
464 davinci.drawLine(qR75, qYl75);
465 davinci.drawLine(qYl75, qG75);
466 davinci.drawLine(qG75, qCy75);
467 davinci.drawLine(qCy75, qB75);
468 davinci.drawLine(qB75, qMg75);
469 davinci.drawLine(qMg75, qR75);
473 // Draw RGB/CMY points with 75% chroma (for NTSC)
474 davinci.setPen(penThin);
475 if (m_aColorSpace_YUV->isChecked()) {
476 davinci.drawEllipse(pR75, 3,3);
477 davinci.drawEllipse(pG75, 3,3);
478 davinci.drawEllipse(pB75, 3,3);
479 davinci.drawEllipse(pCy75, 3,3);
480 davinci.drawEllipse(pMg75, 3,3);
481 davinci.drawEllipse(pYl75, 3,3);
483 davinci.drawEllipse(qR75, 3,3);
484 davinci.drawEllipse(qG75, 3,3);
485 davinci.drawEllipse(qB75, 3,3);
486 davinci.drawEllipse(qCy75, 3,3);
487 davinci.drawEllipse(qMg75, 3,3);
488 davinci.drawEllipse(qYl75, 3,3);
491 // Draw realtime factor (number of skipped pixels)
492 if (m_aRealtime->isChecked()) {
493 davinci.setPen(penThin);
494 davinci.drawText(QPoint(m_scopeRect.width()-40, m_scopeRect.height()-15), QVariant(m_accelFactorScope).toString().append("x"));
497 emit signalBackgroundRenderingFinished(start.elapsed(), 1);
506 void Vectorscope::slotGainChanged(int newval)
509 m_gain = 1 + (float)newval/10;
510 ui->lblGain->setText(locale.toString(m_gain, 'f', 1) + "x");
514 void Vectorscope::slotExportBackground()
516 qDebug() << "Exporting background";
517 m_colorPlaneExport->show();
521 void Vectorscope::slotBackgroundChanged()
523 // Background changed, switch to a suitable color mode now
525 switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
527 index = ui->paintMode->findData(QVariant(VectorscopeGenerator::PaintMode_Black));
529 ui->paintMode->setCurrentIndex(index);
534 if (ui->paintMode->itemData(ui->paintMode->currentIndex()).toInt() == VectorscopeGenerator::PaintMode_Black) {
535 index = ui->paintMode->findData(QVariant(VectorscopeGenerator::PaintMode_Green2));
536 ui->paintMode->setCurrentIndex(index);
540 forceUpdateBackground();
543 void Vectorscope::slotColorSpaceChanged()
546 if (m_aColorSpace_YPbPr->isChecked()) {
547 if (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt() == BG_YUV) {
548 index = ui->backgroundMode->findData(QVariant(BG_YPbPr));
550 ui->backgroundMode->setCurrentIndex(index);
554 if (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt() == BG_YPbPr) {
555 index = ui->backgroundMode->findData(QVariant(BG_YUV));
557 ui->backgroundMode->setCurrentIndex(index);