From: Hans Verkuil <hans.verkuil@cisco.com>
Date: Sun, 20 Jul 2014 13:36:47 +0000 (+0200)
Subject: qv4l2: add Trace IOCTLs option
X-Git-Tag: v4l-utils-1.3.90~73
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d60b0a37c5756467c0e00efe4be738f854cb4b80;p=platform%2Fupstream%2Fv4l-utils.git

qv4l2: add Trace IOCTLs option

Useful for debugging and understanding what is happening.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
---

diff --git a/utils/qv4l2/general-tab.h b/utils/qv4l2/general-tab.h
index 6941f78..48109f7 100644
--- a/utils/qv4l2/general-tab.h
+++ b/utils/qv4l2/general-tab.h
@@ -47,7 +47,7 @@ class QSpinBox;
 class QToolButton;
 class QSlider;
 
-class GeneralTab: public QGridLayout, cv4l_fd
+class GeneralTab: public QGridLayout, public cv4l_fd
 {
 	Q_OBJECT
 
diff --git a/utils/qv4l2/qv4l2.cpp b/utils/qv4l2/qv4l2.cpp
index a0209ac..6c11efe 100644
--- a/utils/qv4l2/qv4l2.cpp
+++ b/utils/qv4l2/qv4l2.cpp
@@ -121,6 +121,11 @@ ApplicationWindow::ApplicationWindow() :
 	closeAct->setShortcut(Qt::CTRL+Qt::Key_W);
 	connect(closeAct, SIGNAL(triggered()), this, SLOT(closeDevice()));
 
+	QAction *traceAct = new QAction("&Trace IOCTLs", this);
+	traceAct->setStatusTip("All V4L2 IOCTLs are traced on the console");
+	traceAct->setCheckable(true);
+	connect(traceAct, SIGNAL(toggled(bool)), this, SLOT(traceIoctls(bool)));
+
 	QAction *quitAct = new QAction(QIcon(":/exit.png"), "&Quit", this);
 	quitAct->setStatusTip("Exit the application");
 	quitAct->setShortcut(Qt::CTRL+Qt::Key_Q);
@@ -133,6 +138,8 @@ ApplicationWindow::ApplicationWindow() :
 	fileMenu->addAction(m_snapshotAct);
 	fileMenu->addAction(m_saveRawAct);
 	fileMenu->addSeparator();
+	fileMenu->addAction(traceAct);
+	fileMenu->addSeparator();
 	fileMenu->addAction(quitAct);
 
 	QToolBar *toolBar = addToolBar("File");
@@ -747,6 +754,12 @@ bool ApplicationWindow::showFrames()
 	return m_showFramesAct->isChecked();
 }
 
+void ApplicationWindow::traceIoctls(bool enable)
+{
+	s_trace(enable);
+	m_genTab->s_trace(enable);
+}
+
 void ApplicationWindow::enableScaling(bool enable)
 {
 	if (m_capture != NULL)
diff --git a/utils/qv4l2/qv4l2.h b/utils/qv4l2/qv4l2.h
index 40fbaa7..dc3b5e4 100644
--- a/utils/qv4l2/qv4l2.h
+++ b/utils/qv4l2/qv4l2.h
@@ -130,6 +130,7 @@ private slots:
 	void saveRaw(bool);
 	void setRenderMethod(bool);
 	void setBlending(bool);
+	void traceIoctls(bool);
 	void changeAudioDevice();
 
 	// gui