Signed-off-by: Bård Eirik Winther <bwint...@cisco.com>
---
utils/qv4l2/capture-win.cpp | 36 ++++++++++++++++++------
utils/qv4l2/capture-win.h | 6 ++++
utils/qv4l2/general-tab.cpp | 68 +++++++++++++++++++++++++++++++++++++++++++++
utils/qv4l2/general-tab.h | 4 +++
utils/qv4l2/qv4l2.cpp | 21 ++++++++++----
utils/qv4l2/qv4l2.h | 1 +
6 files changed, 122 insertions(+), 14 deletions(-)
diff --git a/utils/qv4l2/capture-win.cpp b/utils/qv4l2/capture-win.cpp
index 3abb6cb..7538756 100644
--- a/utils/qv4l2/capture-win.cpp
+++ b/utils/qv4l2/capture-win.cpp
@@ -30,6 +30,7 @@
#define MIN_WIN_SIZE_HEIGHT 120
bool CaptureWin::m_enableScaling = true;
+double CaptureWin::m_pixelAspectRatio = 1.0;
CaptureWin::CaptureWin() :
m_curWidth(-1),
@@ -76,6 +77,14 @@ void CaptureWin::resetSize()
resize(w, h);
}
+int CaptureWin::actualFrameWidth(int width)
+{
+ if (m_enableScaling)
+ return (int)((double)width * m_pixelAspectRatio);
+
+ return width;
+}
+
QSize CaptureWin::getMargins()
{
int l, t, r, b;
@@ -108,7 +117,7 @@ void CaptureWin::resize(int width, int height)
m_curHeight = height;
QSize margins = getMargins();
- width += margins.width();
+ width = actualFrameWidth(width) + margins.width();
height += margins.height();
QDesktopWidget *screen = QApplication::desktop();
@@ -130,25 +139,36 @@ void CaptureWin::resize(int width, int height)
QSize CaptureWin::scaleFrameSize(QSize window, QSize frame)
{
- int actualFrameWidth = frame.width();;
- int actualFrameHeight = frame.height();
+ int actualWidth;
+ int actualHeight = frame.height();
if (!m_enableScaling) {
window.setWidth(frame.width());
window.setHeight(frame.height());
+ actualWidth = frame.width();
+ } else {
+ actualWidth = CaptureWin::actualFrameWidth(frame.width());
}
double newW, newH;
if (window.width() >= window.height()) {
- newW = (double)window.width() / actualFrameWidth;
- newH = (double)window.height() / actualFrameHeight;
+ newW = (double)window.width() / actualWidth;
+ newH = (double)window.height() / actualHeight;
} else {
- newH = (double)window.width() / actualFrameWidth;
- newW = (double)window.height() / actualFrameHeight;
+ newH = (double)window.width() / actualWidth;
+ newW = (double)window.height() / actualHeight;
}
double resized = std::min(newW, newH);
- return QSize((int)(actualFrameWidth * resized), (int)(actualFrameHeight
* resized));
+ return QSize((int)(actualWidth * resized), (int)(actualHeight *
resized));
+}
+
+void CaptureWin::setPixelAspectRatio(double ratio)
+{
+ m_pixelAspectRatio = ratio;
+ QResizeEvent *event = new QResizeEvent(QSize(width(), height()),
QSize(width(), height()));
+ QCoreApplication::sendEvent(this, event);
+ delete event;
}
void CaptureWin::closeEvent(QCloseEvent *event)
diff --git a/utils/qv4l2/capture-win.h b/utils/qv4l2/capture-win.h
index 1bfb1e1..e8f0ada 100644
--- a/utils/qv4l2/capture-win.h
+++ b/utils/qv4l2/capture-win.h
@@ -76,6 +76,7 @@ public:
static bool isSupported() { return false; }
void enableScaling(bool enable);
+ void setPixelAspectRatio(double ratio);
static QSize scaleFrameSize(QSize window, QSize frame);
public slots:
@@ -99,6 +100,11 @@ protected:
*/
static bool m_enableScaling;
+ /**
+ * @note Aspect ratio it taken care of by scaling, frame size is for
square pixels only!
+ */
+ static double m_pixelAspectRatio;
+
signals:
void close();
diff --git a/utils/qv4l2/general-tab.cpp b/utils/qv4l2/general-tab.cpp
index 5cfaf07..c404a3b 100644
--- a/utils/qv4l2/general-tab.cpp
+++ b/utils/qv4l2/general-tab.cpp
@@ -53,6 +53,7 @@ GeneralTab::GeneralTab(const QString &device, v4l2 &fd, int
n, QWidget *parent)
m_tvStandard(NULL),
m_qryStandard(NULL),
m_videoTimings(NULL),
+ m_pixelAspectRatio(NULL),
m_qryTimings(NULL),
m_freq(NULL),
m_vidCapFormats(NULL),
@@ -210,6 +211,23 @@ GeneralTab::GeneralTab(const QString &device, v4l2 &fd,
int n, QWidget *parent)
connect(m_qryTimings, SIGNAL(clicked()),
SLOT(qryTimingsClicked()));
}
+ if (!isRadio() && !isVbi()) {
+ m_pixelAspectRatio = new QComboBox(parent);
+ m_pixelAspectRatio->addItem("Autodetect");
+ m_pixelAspectRatio->addItem("Square");
+ m_pixelAspectRatio->addItem("NTSC/PAL-M/PAL-60");
+ m_pixelAspectRatio->addItem("NTSC/PAL-M/PAL-60, Anamorphic");
+ m_pixelAspectRatio->addItem("PAL/SECAM");
+ m_pixelAspectRatio->addItem("PAL/SECAM, Anamorphic");
+
+ // Update hints by calling a get
+ getPixelAspectRatio();
+
+ addLabel("Pixel Aspect Ratio");
+ addWidget(m_pixelAspectRatio);
+ connect(m_pixelAspectRatio, SIGNAL(activated(int)),
SLOT(changePixelAspectRatio()));
+ }
+
if (m_tuner.capability) {
QDoubleValidator *val;
double factor = (m_tuner.capability & V4L2_TUNER_CAP_LOW) ? 16
: 16000;
@@ -1105,6 +1123,56 @@ void GeneralTab::updateFrameSize()
updateFrameInterval();
}
+void GeneralTab::changePixelAspectRatio()
+{
+ // Update hints by calling a get
+ getPixelAspectRatio();
+ info("");
+ emit pixelAspectRatioChanged();
+}
+
+double GeneralTab::getPixelAspectRatio()
+{
+ switch (m_pixelAspectRatio->currentIndex()) {
+ case 0:
+ v4l2_cropcap ratio;
+ ratio.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ if (ioctl(VIDIOC_CROPCAP, &ratio) < 0) {
+ m_pixelAspectRatio->setStatusTip("Pixel Aspect Ratio
1:1");
+ m_pixelAspectRatio->setWhatsThis("Pixel Aspect Ratio
1:1");
+ return 1.0;
+ }
+
+ m_pixelAspectRatio->setStatusTip(QString("Pixel Aspect Ratio
%1:%2")
+
.arg(ratio.pixelaspect.denominator)
+
.arg(ratio.pixelaspect.numerator));
+ m_pixelAspectRatio->setWhatsThis(QString("Pixel Aspect Ratio
%1:%2")
+
.arg(ratio.pixelaspect.denominator)
+
.arg(ratio.pixelaspect.numerator));
+ return (double)ratio.pixelaspect.denominator /
ratio.pixelaspect.numerator;
+ case 2:
+ m_pixelAspectRatio->setStatusTip("Pixel Aspect Ratio 10:11");
+ m_pixelAspectRatio->setWhatsThis("Pixel Aspect Ratio 10:11");
+ return 10.0 / 11.0;
+ case 3:
+ m_pixelAspectRatio->setStatusTip("Pixel Aspect Ratio 40:33");
+ m_pixelAspectRatio->setWhatsThis("Pixel Aspect Ratio 40:33");
+ return 40.0 / 33.0;
+ case 4:
+ m_pixelAspectRatio->setStatusTip("Pixel Aspect Ratio 12:11");
+ m_pixelAspectRatio->setWhatsThis("Pixel Aspect Ratio 12:11");
+ return 12.0 / 11.0;
+ case 5:
+ m_pixelAspectRatio->setStatusTip("Pixel Aspect Ratio 16:11");
+ m_pixelAspectRatio->setWhatsThis("Pixel Aspect Ratio 16:11");
+ return 16.0 / 11.0;
+ default:
+ m_pixelAspectRatio->setStatusTip("Pixel Aspect Ratio 1:1");
+ m_pixelAspectRatio->setWhatsThis("Pixel Aspect Ratio 1:1");
+ return 1.0;
+ }
+}
+
void GeneralTab::updateFrameInterval()
{
v4l2_frmivalenum frmival;
diff --git a/utils/qv4l2/general-tab.h b/utils/qv4l2/general-tab.h
index 6c51016..4540e1f 100644
--- a/utils/qv4l2/general-tab.h
+++ b/utils/qv4l2/general-tab.h
@@ -57,6 +57,7 @@ public:
void setAudioDeviceBufferSize(int size);
int getAudioDeviceBufferSize();
bool hasAlsaAudio();
+ double getPixelAspectRatio();
bool get_interval(struct v4l2_fract &interval);
int width() const { return m_width; }
int height() const { return m_height; }
@@ -90,6 +91,7 @@ public slots:
signals:
void audioDeviceChanged();
+ void pixelAspectRatioChanged();
private slots:
void inputChanged(int);
@@ -115,6 +117,7 @@ private slots:
void vidOutFormatChanged(int);
void vbiMethodsChanged(int);
void changeAudioDevice();
+ void changePixelAspectRatio();
private:
void updateVideoInput();
@@ -182,6 +185,7 @@ private:
QComboBox *m_tvStandard;
QPushButton *m_qryStandard;
QComboBox *m_videoTimings;
+ QComboBox *m_pixelAspectRatio;
QPushButton *m_qryTimings;
QLineEdit *m_freq;
QComboBox *m_freqTable;
diff --git a/utils/qv4l2/qv4l2.cpp b/utils/qv4l2/qv4l2.cpp
index c94b0a8..892d9c3 100644
--- a/utils/qv4l2/qv4l2.cpp
+++ b/utils/qv4l2/qv4l2.cpp
@@ -103,7 +103,7 @@ ApplicationWindow::ApplicationWindow() :
m_saveRawAct->setChecked(false);
connect(m_saveRawAct, SIGNAL(toggled(bool)), this, SLOT(saveRaw(bool)));
- m_showFramesAct = new QAction(QIcon(":/video-television.png"), "Show
&Frames", this);
+ m_showFramesAct = new QAction(QIcon(":/video-television.png"), "&Show
Frames", this);
m_showFramesAct->setStatusTip("Only show captured frames if set.");
m_showFramesAct->setCheckable(true);
m_showFramesAct->setChecked(true);
@@ -137,12 +137,12 @@ ApplicationWindow::ApplicationWindow() :
toolBar->addSeparator();
toolBar->addAction(quitAct);
- m_scalingAct = new QAction("Enable Video Scaling", this);
+ m_scalingAct = new QAction("&Enable Video Scaling", this);
m_scalingAct->setStatusTip("Scale video frames to match window size if
set");
m_scalingAct->setCheckable(true);
m_scalingAct->setChecked(true);
connect(m_scalingAct, SIGNAL(toggled(bool)), this,
SLOT(enableScaling(bool)));
- m_resetScalingAct = new QAction("Resize to Frame Size", this);
+ m_resetScalingAct = new QAction("Resize to &Frame Size", this);
m_resetScalingAct->setStatusTip("Resizes the capture window to match
frame size");
m_resetScalingAct->setShortcut(Qt::CTRL+Qt::Key_F);
@@ -168,13 +168,13 @@ ApplicationWindow::ApplicationWindow() :
#ifdef HAVE_ALSA
captureMenu->addSeparator();
- m_showAllAudioAct = new QAction("Show All Audio Devices", this);
+ m_showAllAudioAct = new QAction("Show All Audio &Devices", this);
m_showAllAudioAct->setStatusTip("Show all audio input and output
devices if set");
m_showAllAudioAct->setCheckable(true);
m_showAllAudioAct->setChecked(false);
captureMenu->addAction(m_showAllAudioAct);
- m_audioBufferAct = new QAction("Set Audio Buffer Capacity...", this);
+ m_audioBufferAct = new QAction("Set Audio &Buffer Capacity...", this);
m_audioBufferAct->setStatusTip("Set audio buffer capacity in amout of
ms than can be stored");
connect(m_audioBufferAct, SIGNAL(triggered()), this,
SLOT(setAudioBufferSize()));
captureMenu->addAction(m_audioBufferAct);
@@ -229,7 +229,7 @@ void ApplicationWindow::setDevice(const QString &device,
bool rawOpen)
m_audioBufferAct->setEnabled(false);
}
#endif
-
+ connect(m_genTab, SIGNAL(pixelAspectRatioChanged()), this,
SLOT(updatePixelAspectRatio()));
m_tabs->addTab(w, "General");
addTabs();
if (caps() & (V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE)) {
@@ -360,6 +360,7 @@ void ApplicationWindow::newCaptureWin()
break;
}
+ m_capture->setPixelAspectRatio(1.0);
m_capture->enableScaling(m_scalingAct->isChecked());
connect(m_capture, SIGNAL(close()), this, SLOT(closeCaptureWin()));
connect(m_resetScalingAct, SIGNAL(triggered()), m_capture,
SLOT(resetSize()));
@@ -810,6 +811,12 @@ void ApplicationWindow::enableScaling(bool enable)
m_capture->enableScaling(enable);
}
+void ApplicationWindow::updatePixelAspectRatio()
+{
+ if (m_capture != NULL && m_genTab != NULL)
+ m_capture->setPixelAspectRatio(m_genTab->getPixelAspectRatio());
+}
+
void ApplicationWindow::startAudio()
{
#ifdef HAVE_ALSA
@@ -891,6 +898,7 @@ void ApplicationWindow::capStart(bool start)
m_vbiTab->slicedFormat(fmt.fmt.sliced);
m_vbiSize = fmt.fmt.sliced.io_size;
m_frameData = new unsigned char[m_vbiSize];
+ updatePixelAspectRatio();
if (startCapture(m_vbiSize)) {
m_capNotifier = new QSocketNotifier(fd(),
QSocketNotifier::Read, m_tabs);
connect(m_capNotifier, SIGNAL(activated(int)), this,
SLOT(capVbiFrame()));
@@ -959,6 +967,7 @@ void ApplicationWindow::capStart(bool start)
m_capSrcFormat = copy;
}
+ updatePixelAspectRatio();
m_capture->resize(dstPix.width, dstPix.height);
m_capImage = new QImage(dstPix.width, dstPix.height, dstFmt);
m_capImage->fill(0);
diff --git a/utils/qv4l2/qv4l2.h b/utils/qv4l2/qv4l2.h
index 179cecb..970a0e1 100644
--- a/utils/qv4l2/qv4l2.h
+++ b/utils/qv4l2/qv4l2.h
@@ -133,6 +133,7 @@ private slots:
void rejectedRawFile();
void setAudioBufferSize();
void enableScaling(bool enable);
+ void updatePixelAspectRatio();
void about();
--
1.8.3.2
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