diff options
Diffstat (limited to 'test/qv4l2/qv4l2.cpp')
| -rw-r--r-- | test/qv4l2/qv4l2.cpp | 754 |
1 files changed, 0 insertions, 754 deletions
diff --git a/test/qv4l2/qv4l2.cpp b/test/qv4l2/qv4l2.cpp deleted file mode 100644 index ba43ad5c8..000000000 --- a/test/qv4l2/qv4l2.cpp +++ /dev/null @@ -1,754 +0,0 @@ - -#include "qv4l2.h" - -#include <qimage.h> -#include <qpixmap.h> -#include <qtoolbar.h> -#include <qtoolbutton.h> -#include <qpopupmenu.h> -#include <qmenubar.h> -#include <qfile.h> -#include <qfiledialog.h> -#include <qstatusbar.h> -#include <qmessagebox.h> -#include <qapplication.h> -#include <qaccel.h> -#include <qlineedit.h> -#include <qvalidator.h> -#include <qlayout.h> -#include <qvbox.h> -#include <qhbox.h> -#include <qlabel.h> -#include <qslider.h> -#include <qspinbox.h> -#include <qcombobox.h> -#include <qcheckbox.h> -#include <qpushbutton.h> -#include <qpainter.h> -#include <qpaintdevicemetrics.h> -#include <qwhatsthis.h> - -#include <fcntl.h> -#include <sys/ioctl.h> -#include <errno.h> - -#include "fileopen.xpm" - -ApplicationWindow::ApplicationWindow() - : QMainWindow( 0, "V4L2 main window", WDestructiveClose | WGroupLeader ) -{ - QPixmap openIcon, saveIcon; - - fd = -1; - - sigMapper = NULL; - QToolBar * fileTools = new QToolBar( this, "file operations" ); - fileTools->setLabel( "File Operations" ); - - openIcon = QPixmap( fileopen ); - QToolButton * fileOpen - = new QToolButton( openIcon, "Open File", QString::null, - this, SLOT(choose()), fileTools, "open file" ); - - (void)QWhatsThis::whatsThisButton( fileTools ); - - const char * fileOpenText = "<p><img source=\"fileopen\"> " - "Click this button to open a <em>new v4l device</em>.<br>" - "You can also select the <b>Open</b> command " - "from the <b>File</b> menu.</p>"; - - QWhatsThis::add( fileOpen, fileOpenText ); - - QMimeSourceFactory::defaultFactory()->setPixmap( "fileopen", openIcon ); - - QPopupMenu * file = new QPopupMenu( this ); - menuBar()->insertItem( "&File", file ); - - - int id; - id = file->insertItem( openIcon, "&Open...", - this, SLOT(choose()), CTRL+Key_O ); - file->setWhatsThis( id, fileOpenText ); - - file->insertSeparator(); - - file->insertItem( "&Close", this, SLOT(close()), CTRL+Key_W ); - - file->insertItem( "&Quit", qApp, SLOT( closeAllWindows() ), CTRL+Key_Q ); - - menuBar()->insertSeparator(); - - QPopupMenu * help = new QPopupMenu( this ); - menuBar()->insertItem( "&Help", help ); - - help->insertItem( "&About", this, SLOT(about()), Key_F1 ); - help->insertItem( "What's &This", this, SLOT(whatsThis()), SHIFT+Key_F1 ); - - statusBar()->message( "Ready", 2000 ); - - tabs = new QTabWidget(this); - tabs->setMargin(3); - - //resize( 450, 600 ); -} - - -ApplicationWindow::~ApplicationWindow() -{ - if (fd >= 0) ::close(fd); -} - - -void ApplicationWindow::setDevice(const QString &device) -{ - if (fd >= 0) ::close(fd); - while (QWidget *page = tabs->page(0)) { - tabs->removePage(page); - delete page; - } - delete tabs; - delete sigMapper; - tabs = new QTabWidget(this); - tabs->setMargin(3); - sigMapper = new QSignalMapper(this); - connect(sigMapper, SIGNAL(mapped(int)), this, SLOT(ctrlAction(int))); - ctrlMap.clear(); - widgetMap.clear(); - classMap.clear(); - audioInput = NULL; - - fd = ::open(device, O_RDONLY); - if (fd >= 0) { - addGeneralTab(); - addTabs(); - } - if (QWidget *current = tabs->currentPage()) { - current->show(); - } - tabs->show(); - tabs->setFocus(); - setCentralWidget(tabs); -} - -void ApplicationWindow::addGeneralTab() -{ - int cnt = 0; - QVBox *vbox = new QVBox(tabs); - QGrid *grid = new QGrid(4, vbox); - grid->setSpacing(3); - tabs->addTab(vbox, "General"); - - struct v4l2_input vin; - memset(&vin, 0, sizeof(vin)); - if (ioctl(fd, VIDIOC_ENUMINPUT, &vin) >= 0) { - QLabel *label = new QLabel("Input", grid); - label->setAlignment(Qt::AlignRight); - QComboBox *combo = new QComboBox(grid); - while (ioctl(fd, VIDIOC_ENUMINPUT, &vin) >= 0) { - combo->insertItem((char *)vin.name); - vin.index++; - } - connect(combo, SIGNAL(activated(int)), SLOT(inputChanged(int))); - cnt++; - } - - struct v4l2_output vout; - memset(&vout, 0, sizeof(vout)); - if (ioctl(fd, VIDIOC_ENUMOUTPUT, &vout) >= 0) { - QLabel *label = new QLabel("Output", grid); - label->setAlignment(Qt::AlignRight); - QComboBox *combo = new QComboBox(grid); - while (ioctl(fd, VIDIOC_ENUMOUTPUT, &vout) >= 0) { - combo->insertItem((char *)vout.name); - vout.index++; - } - connect(combo, SIGNAL(activated(int)), SLOT(outputChanged(int))); - cnt++; - } - - struct v4l2_audio vaudio; - memset(&vaudio, 0, sizeof(vaudio)); - if (ioctl(fd, VIDIOC_ENUMAUDIO, &vaudio) >= 0) { - QLabel *label = new QLabel("Input Audio", grid); - label->setAlignment(Qt::AlignRight); - audioInput = new QComboBox(grid); - vaudio.index = 0; - while (ioctl(fd, VIDIOC_ENUMAUDIO, &vaudio) >= 0) { - audioInput->insertItem((char *)vaudio.name); - vaudio.index++; - } - connect(audioInput, SIGNAL(activated(int)), SLOT(inputAudioChanged(int))); - cnt++; - } - - struct v4l2_audioout vaudioout; - memset(&vaudioout, 0, sizeof(vaudioout)); - if (ioctl(fd, VIDIOC_ENUMAUDOUT, &vaudioout) >= 0) { - QLabel *label = new QLabel("Output Audio", grid); - label->setAlignment(Qt::AlignRight); - QComboBox *combo = new QComboBox(grid); - while (ioctl(fd, VIDIOC_ENUMAUDOUT, &vaudioout) >= 0) { - combo->insertItem((char *)vaudioout.name); - vaudioout.index++; - } - connect(combo, SIGNAL(activated(int)), SLOT(outputAudioChanged(int))); - cnt++; - } - - if (cnt & 1) { - new QWidget(grid); - new QWidget(grid); - } - QWidget *stretch = new QWidget(grid); - stretch->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Ignored); -} - -void ApplicationWindow::addTabs() -{ - struct v4l2_queryctrl qctrl; - unsigned ctrl_class; - unsigned i; - int id; - - memset(&qctrl, 0, sizeof(qctrl)); - qctrl.id = V4L2_CTRL_FLAG_NEXT_CTRL; - while (::ioctl(fd, VIDIOC_QUERYCTRL, &qctrl) == 0) { - if ((qctrl.flags & V4L2_CTRL_FLAG_DISABLED) == 0) { - ctrlMap[qctrl.id] = qctrl; - if (qctrl.type != V4L2_CTRL_TYPE_CTRL_CLASS) - classMap[V4L2_CTRL_ID2CLASS(qctrl.id)].push_back(qctrl.id); - } - qctrl.id |= V4L2_CTRL_FLAG_NEXT_CTRL; - } - if (qctrl.id == V4L2_CTRL_FLAG_NEXT_CTRL) { - strcpy((char *)qctrl.name, "User Controls"); - qctrl.id = V4L2_CTRL_CLASS_USER | 1; - qctrl.type = V4L2_CTRL_TYPE_CTRL_CLASS; - ctrlMap[qctrl.id] = qctrl; - for (id = V4L2_CID_USER_BASE; id < V4L2_CID_LASTP1; id++) { - qctrl.id = id; - if (::ioctl(fd, VIDIOC_QUERYCTRL, &qctrl)) - continue; - if (qctrl.flags & V4L2_CTRL_FLAG_DISABLED) - continue; - ctrlMap[qctrl.id] = qctrl; - classMap[V4L2_CTRL_CLASS_USER].push_back(qctrl.id); - } - for (qctrl.id = V4L2_CID_PRIVATE_BASE; - ::ioctl(fd, VIDIOC_QUERYCTRL, &qctrl) == 0; qctrl.id++) { - if (qctrl.flags & V4L2_CTRL_FLAG_DISABLED) - continue; - ctrlMap[qctrl.id] = qctrl; - classMap[V4L2_CTRL_CLASS_USER].push_back(qctrl.id); - } - } - - for (ClassMap::iterator iter = classMap.begin(); iter != classMap.end(); ++iter) { - ctrl_class = V4L2_CTRL_ID2CLASS(iter->second[0]); - id = ctrl_class | 1; - const struct v4l2_queryctrl &qctrl = ctrlMap[id]; - QVBox *vbox = new QVBox(tabs); - QGrid *grid = new QGrid(4, vbox); - grid->setSpacing(3); - tabs->addTab(vbox, (char *)qctrl.name); - for (i = 0; i < iter->second.size(); i++) { - if (i & 1) - id = iter->second[(1+iter->second.size()) / 2 + i / 2]; - else - id = iter->second[i / 2]; - addCtrl(grid, ctrlMap[id]); - } - finishGrid(vbox, grid, ctrl_class, i & 1); - } -} - -void ApplicationWindow::finishGrid(QWidget *vbox, QGrid *grid, unsigned ctrl_class, bool odd) -{ - if (odd) { - new QWidget(grid); - new QWidget(grid); - } - QWidget *stretch = new QWidget(grid); - stretch->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Ignored); - - QFrame *frame = new QFrame(vbox); - frame->setFrameShape(QFrame::HLine); - frame->setFrameShadow(QFrame::Sunken); - frame->setMargin(3); - - QHBox *hbox = new QHBox(vbox); - hbox->setSpacing(3); - - QCheckBox *cbox = new QCheckBox("Update on change", hbox); - widgetMap[ctrl_class | CTRL_UPDATE_ON_CHANGE] = cbox; - connect(cbox, SIGNAL(clicked()), sigMapper, SLOT(map())); - sigMapper->setMapping(cbox, ctrl_class | CTRL_UPDATE_ON_CHANGE); - - stretch = new QWidget(hbox); - stretch->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Fixed); - - QPushButton *defBut = new QPushButton("Set Defaults", hbox); - widgetMap[ctrl_class | CTRL_DEFAULTS] = defBut; - connect(defBut, SIGNAL(clicked()), sigMapper, SLOT(map())); - sigMapper->setMapping(defBut, ctrl_class | CTRL_DEFAULTS); - - QPushButton *refreshBut = new QPushButton("Refresh", hbox); - widgetMap[ctrl_class | CTRL_REFRESH] = refreshBut; - connect(refreshBut, SIGNAL(clicked()), sigMapper, SLOT(map())); - sigMapper->setMapping(refreshBut, ctrl_class | CTRL_REFRESH); - - QPushButton *button = new QPushButton("Update", hbox); - widgetMap[ctrl_class | CTRL_UPDATE] = button; - connect(button, SIGNAL(clicked()), sigMapper, SLOT(map())); - sigMapper->setMapping(button, ctrl_class | CTRL_UPDATE); - connect(cbox, SIGNAL(toggled(bool)), button, SLOT(setDisabled(bool))); - - cbox->setChecked(ctrl_class == V4L2_CTRL_CLASS_USER); - - refresh(ctrl_class); -} - -void ApplicationWindow::addCtrl(QGrid *grid, const struct v4l2_queryctrl &qctrl) -{ - QIntValidator *val; - QLineEdit *edit; - QString name((char *)qctrl.name); - QComboBox *combo; - struct v4l2_querymenu qmenu; - - QLabel *label = new QLabel(name, grid); - label->setAlignment(Qt::AlignRight); - - switch (qctrl.type) { - case V4L2_CTRL_TYPE_INTEGER: - if (qctrl.flags & V4L2_CTRL_FLAG_SLIDER) { - widgetMap[qctrl.id] = - new QSlider(qctrl.minimum, qctrl.maximum, - qctrl.step, qctrl.default_value, - Horizontal, grid); - connect(widgetMap[qctrl.id], SIGNAL(valueChanged(int)), - sigMapper, SLOT(map())); - break; - } - - if (qctrl.maximum - qctrl.minimum <= 255) { - widgetMap[qctrl.id] = - new QSpinBox(qctrl.minimum, qctrl.maximum, 1, grid); - connect(widgetMap[qctrl.id], SIGNAL(valueChanged(int)), - sigMapper, SLOT(map())); - break; - } - - val = new QIntValidator(qctrl.minimum, qctrl.maximum, grid); - edit = new QLineEdit(grid); - edit->setValidator(val); - widgetMap[qctrl.id] = edit; - connect(widgetMap[qctrl.id], SIGNAL(lostFocus()), - sigMapper, SLOT(map())); - connect(widgetMap[qctrl.id], SIGNAL(returnPressed()), - sigMapper, SLOT(map())); - break; - - case V4L2_CTRL_TYPE_INTEGER64: - widgetMap[qctrl.id] = new QLineEdit(grid); - connect(widgetMap[qctrl.id], SIGNAL(lostFocus()), - sigMapper, SLOT(map())); - connect(widgetMap[qctrl.id], SIGNAL(returnPressed()), - sigMapper, SLOT(map())); - break; - - case V4L2_CTRL_TYPE_BOOLEAN: - label->setText(""); - widgetMap[qctrl.id] = new QCheckBox(name, grid); - connect(widgetMap[qctrl.id], SIGNAL(clicked()), - sigMapper, SLOT(map())); - break; - - case V4L2_CTRL_TYPE_BUTTON: - label->setText(""); - widgetMap[qctrl.id] = new QPushButton((char *)qctrl.name, grid); - connect(widgetMap[qctrl.id], SIGNAL(clicked()), - sigMapper, SLOT(map())); - break; - - case V4L2_CTRL_TYPE_MENU: - combo = new QComboBox(grid); - widgetMap[qctrl.id] = combo; - for (int i = qctrl.minimum; i <= qctrl.maximum; i++) { - qmenu.id = qctrl.id; - qmenu.index = i; - if (::ioctl(fd, VIDIOC_QUERYMENU, &qmenu)) - continue; - combo->insertItem((char *)qmenu.name); - } - connect(widgetMap[qctrl.id], SIGNAL(activated(int)), - sigMapper, SLOT(map())); - break; - - default: - return; - } - sigMapper->setMapping(widgetMap[qctrl.id], qctrl.id); - if (qctrl.flags & (V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_INACTIVE)) - widgetMap[qctrl.id]->setDisabled(true); -} - -void ApplicationWindow::ctrlAction(int id) -{ - unsigned ctrl_class = V4L2_CTRL_ID2CLASS(id); - if (ctrl_class == V4L2_CID_PRIVATE_BASE) - ctrl_class = V4L2_CTRL_CLASS_USER; - unsigned ctrl = id & 0xffff; - QCheckBox *cbox = static_cast<QCheckBox *>(widgetMap[ctrl_class | CTRL_UPDATE_ON_CHANGE]); - bool update = cbox->isChecked(); - bool all = (ctrl == CTRL_UPDATE || (update && ctrl == CTRL_UPDATE_ON_CHANGE)); - - if (ctrl == CTRL_DEFAULTS) { - setDefaults(ctrl_class); - return; - } - if (ctrl == CTRL_REFRESH) { - refresh(ctrl_class); - return; - } - if (!update && !all && ctrlMap[id].type != V4L2_CTRL_TYPE_BUTTON) - return; - if (ctrl_class == V4L2_CTRL_CLASS_USER) { - if (!all) { - updateCtrl(id); - return; - } - for (unsigned i = 0; i < classMap[ctrl_class].size(); i++) { - updateCtrl(classMap[ctrl_class][i]); - } - return; - } - if (!all) { - updateCtrl(id); - return; - } - unsigned count = classMap[ctrl_class].size(); - struct v4l2_ext_control *c = new v4l2_ext_control[count]; - struct v4l2_ext_controls ctrls; - int idx = 0; - - for (unsigned i = 0; i < count; i++) { - unsigned id = classMap[ctrl_class][i]; - - if (ctrlMap[id].flags & (V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_INACTIVE)) - continue; - c[idx].id = id; - if (ctrlMap[id].type == V4L2_CTRL_TYPE_INTEGER64) - c[idx].value64 = getVal64(id); - else - c[idx].value = getVal(id); - idx++; - } - memset(&ctrls, 0, sizeof(ctrls)); - ctrls.count = idx; - ctrls.ctrl_class = ctrl_class; - ctrls.controls = c; - if (::ioctl(fd, VIDIOC_S_EXT_CTRLS, &ctrls)) { - int err = errno; - - if (ctrls.error_idx >= ctrls.count) { - printf("error: %s\n", strerror(err)); - } - else { - id = c[ctrls.error_idx].id; - printf("error %08x (%s): %s\n", id, - ctrlMap[id].name, strerror(err)); - } - } - delete [] c; - refresh(ctrl_class); -} - -long long ApplicationWindow::getVal64(unsigned id) -{ - const v4l2_queryctrl &qctrl = ctrlMap[id]; - QWidget *w = widgetMap[qctrl.id]; - - switch (qctrl.type) { - case V4L2_CTRL_TYPE_INTEGER64: - return static_cast<QLineEdit *>(w)->text().toLongLong(); - default: - return 0; - } -} - -int ApplicationWindow::getVal(unsigned id) -{ - const v4l2_queryctrl &qctrl = ctrlMap[id]; - QWidget *w = widgetMap[qctrl.id]; - v4l2_querymenu qmenu; - int i, idx; - - switch (qctrl.type) { - case V4L2_CTRL_TYPE_INTEGER: - if (qctrl.flags & V4L2_CTRL_FLAG_SLIDER) { - return static_cast<QSlider *>(w)->value(); - } - - if (qctrl.maximum - qctrl.minimum <= 255) { - return static_cast<QSpinBox *>(w)->value(); - } - return static_cast<QLineEdit *>(w)->text().toInt(); - - case V4L2_CTRL_TYPE_BOOLEAN: - return static_cast<QCheckBox *>(w)->isChecked(); - - case V4L2_CTRL_TYPE_MENU: - idx = static_cast<QComboBox *>(w)->currentItem(); - for (i = qctrl.minimum; i <= qctrl.maximum; i++) { - qmenu.id = qctrl.id; - qmenu.index = i; - if (::ioctl(fd, VIDIOC_QUERYMENU, &qmenu)) - continue; - if (idx-- == 0) - break; - } - return i; - - default: - break; - } - return 0; -} - -void ApplicationWindow::updateCtrl(unsigned id) -{ - unsigned ctrl_class = V4L2_CTRL_ID2CLASS(id); - if (ctrl_class == V4L2_CID_PRIVATE_BASE) - ctrl_class = V4L2_CTRL_CLASS_USER; - - if (ctrlMap[id].flags & (V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_INACTIVE)) - return; - - if (ctrl_class == V4L2_CTRL_CLASS_USER) { - struct v4l2_control c; - - c.id = id; - c.value = getVal(id); - if (::ioctl(fd, VIDIOC_S_CTRL, &c)) { - int err = errno; - - printf("error %08x (%s): %s\n", id, - ctrlMap[id].name, strerror(err)); - } - return; - } - struct v4l2_ext_control c; - struct v4l2_ext_controls ctrls; - - memset(&c, 0, sizeof(c)); - memset(&ctrls, 0, sizeof(ctrls)); - c.id = id; - if (ctrlMap[id].type == V4L2_CTRL_TYPE_INTEGER64) - c.value64 = getVal64(id); - else - c.value = getVal(id); - ctrls.count = 1; - ctrls.ctrl_class = ctrl_class; - ctrls.controls = &c; - if (::ioctl(fd, VIDIOC_S_EXT_CTRLS, &ctrls)) { - int err = errno; - - printf("error %08x (%s): %s\n", id, - ctrlMap[id].name, strerror(err)); - } - else if (ctrlMap[id].flags & V4L2_CTRL_FLAG_UPDATE) - refresh(ctrl_class); - else { - if (ctrlMap[id].type == V4L2_CTRL_TYPE_INTEGER64) - setVal64(id, c.value64); - else - setVal(id, c.value); - } -} - -void ApplicationWindow::refresh(unsigned ctrl_class) -{ - if (ctrl_class == V4L2_CTRL_CLASS_USER) { - for (unsigned i = 0; i < classMap[ctrl_class].size(); i++) { - unsigned id = classMap[ctrl_class][i]; - - v4l2_control c; - - c.id = id; - if (::ioctl(fd, VIDIOC_G_CTRL, &c)) { - int err = errno; - - printf("error %08x (%s): %s\n", id, - ctrlMap[id].name, strerror(err)); - } - setVal(id, c.value); - } - return; - } - unsigned count = classMap[ctrl_class].size(); - struct v4l2_ext_control *c = new v4l2_ext_control[count]; - struct v4l2_ext_controls ctrls; - - for (unsigned i = 0; i < count; i++) { - c[i].id = classMap[ctrl_class][i]; - } - memset(&ctrls, 0, sizeof(ctrls)); - ctrls.count = count; - ctrls.ctrl_class = ctrl_class; - ctrls.controls = c; - if (::ioctl(fd, VIDIOC_G_EXT_CTRLS, &ctrls)) { - int err = errno; - - if (ctrls.error_idx >= ctrls.count) { - printf("error: %s\n", strerror(err)); - } - else { - unsigned id = c[ctrls.error_idx].id; - printf("error %08x (%s): %s\n", id, - ctrlMap[id].name, strerror(err)); - } - } - else { - for (unsigned i = 0; i < ctrls.count; i++) { - unsigned id = c[i].id; - if (ctrlMap[id].type == V4L2_CTRL_TYPE_INTEGER64) - setVal64(id, c[i].value64); - else - setVal(id, c[i].value); - ::ioctl(fd, VIDIOC_QUERYCTRL, &ctrlMap[id]); - widgetMap[id]->setDisabled(ctrlMap[id].flags & - (V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_INACTIVE)); - } - } - delete [] c; -} - -void ApplicationWindow::setVal(unsigned id, int v) -{ - const v4l2_queryctrl &qctrl = ctrlMap[id]; - v4l2_querymenu qmenu; - QWidget *w = widgetMap[qctrl.id]; - int i, idx; - - switch (qctrl.type) { - case V4L2_CTRL_TYPE_INTEGER: - if (qctrl.flags & V4L2_CTRL_FLAG_SLIDER) - static_cast<QSlider *>(w)->setValue(v); - else if (qctrl.maximum - qctrl.minimum <= 255) - static_cast<QSpinBox *>(w)->setValue(v); - else - static_cast<QLineEdit *>(w)->setText(QString::number(v)); - break; - - case V4L2_CTRL_TYPE_BOOLEAN: - static_cast<QCheckBox *>(w)->setChecked(v); - break; - - case V4L2_CTRL_TYPE_MENU: - idx = 0; - for (i = qctrl.minimum; i <= v; i++) { - qmenu.id = id; - qmenu.index = i; - if (::ioctl(fd, VIDIOC_QUERYMENU, &qmenu)) - continue; - idx++; - } - static_cast<QComboBox *>(w)->setCurrentItem(idx - 1); - break; - default: - break; - } -} - -void ApplicationWindow::setVal64(unsigned id, long long v) -{ - const v4l2_queryctrl &qctrl = ctrlMap[id]; - QWidget *w = widgetMap[qctrl.id]; - - switch (qctrl.type) { - case V4L2_CTRL_TYPE_INTEGER64: - static_cast<QLineEdit *>(w)->setText(QString::number(v)); - break; - default: - break; - } -} - -void ApplicationWindow::setDefaults(unsigned ctrl_class) -{ - for (unsigned i = 0; i < classMap[ctrl_class].size(); i++) { - unsigned id = classMap[ctrl_class][i]; - - if (ctrlMap[id].type != V4L2_CTRL_TYPE_INTEGER64 && - ctrlMap[id].type != V4L2_CTRL_TYPE_BUTTON) - setVal(id, ctrlMap[id].default_value); - } - ctrlAction(ctrl_class | CTRL_UPDATE); -} - -void ApplicationWindow::choose() -{ - QString fn = QFileDialog::getOpenFileName( "/dev/v4l", QString::null, - this); - if ( !fn.isEmpty() ) { - setDevice(fn); - } - else - statusBar()->message( "Loading aborted", 2000 ); -} - - -void ApplicationWindow::closeEvent( QCloseEvent* ce ) -{ - ce->accept(); -} - -void ApplicationWindow::inputChanged(int input) -{ - ioctl(fd, VIDIOC_S_INPUT, &input); - struct v4l2_audio vaudio; - memset(&vaudio, 0, sizeof(vaudio)); - if (audioInput && ioctl(fd, VIDIOC_G_AUDIO, &vaudio) >= 0) { - audioInput->setCurrentItem(vaudio.index); - } -} - -void ApplicationWindow::outputChanged(int output) -{ - ioctl(fd, VIDIOC_S_OUTPUT, &output); -} - -void ApplicationWindow::inputAudioChanged(int input) -{ - struct v4l2_audio vaudio; - memset(&vaudio, 0, sizeof(vaudio)); - vaudio.index = input; - ioctl(fd, VIDIOC_S_AUDIO, &vaudio); -} - -void ApplicationWindow::outputAudioChanged(int output) -{ - struct v4l2_audioout vaudioout; - memset(&vaudioout, 0, sizeof(vaudioout)); - vaudioout.index = output; - ioctl(fd, VIDIOC_S_AUDOUT, &vaudioout); -} - -void ApplicationWindow::about() -{ - QMessageBox::about( this, "V4L2 Control Panel", - "This program allows easy experimenting with video4linux devices."); -} - - -int main(int argc, char **argv) -{ - QApplication a(argc, argv); - ApplicationWindow *mw = new ApplicationWindow(); - mw->setCaption( "V4L2 Control Panel" ); - mw->setDevice("/dev/video0"); - mw->show(); - a.connect( &a, SIGNAL(lastWindowClosed()), &a, SLOT(quit()) ); - return a.exec(); -} |