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-rw-r--r--test/Makefile12
-rw-r--r--test/qv4l2/fileopen.xpm22
-rw-r--r--test/qv4l2/qv4l2.cpp649
-rw-r--r--test/qv4l2/qv4l2.h79
-rw-r--r--test/qv4l2/qv4l2.pro10
-rw-r--r--test/v4l2-ctl.cpp1249
6 files changed, 2019 insertions, 2 deletions
diff --git a/test/Makefile b/test/Makefile
index b8bb9b55c..30c3edff6 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -1,11 +1,19 @@
-FILES = ioctl-test sliced-vbi-test sliced-vbi-detect vbi-test v4lgrab
+FILES = ioctl-test sliced-vbi-test sliced-vbi-detect vbi-test v4lgrab v4l2-ctl
CC = gcc
LIBS =
CFLAGS = -O3 -Wall -fomit-frame-pointer -funroll-loops -g -I ../linux/include
+CXXFLAGS = $(CFLAGS)
LDFLAGS =
-all: $(FILES)
+all: $(FILES) qv4l2
clean:
-rm -f core core.[0123456789]* *~ *.o $(FILES)
+ -if [ -f qv4l2/Makefile ]; then make -C qv4l2 $@; fi
+ -rm -f qv4l2/qv4l2 qv4l2/Makefile
+qv4l2:
+ if [ ! -f qv4l2/Makefile ]; then (cd qv4l2; qmake); fi
+ make -C qv4l2
+
+.PHONY: qv4l2
diff --git a/test/qv4l2/fileopen.xpm b/test/qv4l2/fileopen.xpm
new file mode 100644
index 000000000..880417eee
--- /dev/null
+++ b/test/qv4l2/fileopen.xpm
@@ -0,0 +1,22 @@
+/* XPM */
+static const char *fileopen[] = {
+" 16 13 5 1",
+". c #040404",
+"# c #808304",
+"a c None",
+"b c #f3f704",
+"c c #f3f7f3",
+"aaaaaaaaa...aaaa",
+"aaaaaaaa.aaa.a.a",
+"aaaaaaaaaaaaa..a",
+"a...aaaaaaaa...a",
+".bcb.......aaaaa",
+".cbcbcbcbc.aaaaa",
+".bcbcbcbcb.aaaaa",
+".cbcb...........",
+".bcb.#########.a",
+".cb.#########.aa",
+".b.#########.aaa",
+"..#########.aaaa",
+"...........aaaaa"
+};
diff --git a/test/qv4l2/qv4l2.cpp b/test/qv4l2/qv4l2.cpp
new file mode 100644
index 000000000..e3d6bf775
--- /dev/null
+++ b/test/qv4l2/qv4l2.cpp
@@ -0,0 +1,649 @@
+
+#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();
+
+ fd = ::open(device, O_RDONLY);
+ if (fd >= 0) {
+ addTabs();
+ }
+ if (QWidget *current = tabs->currentPage()) {
+ current->show();
+ }
+ tabs->show();
+ tabs->setFocus();
+ setCentralWidget(tabs);
+}
+
+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::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();
+}
diff --git a/test/qv4l2/qv4l2.h b/test/qv4l2/qv4l2.h
new file mode 100644
index 000000000..f3ecf7262
--- /dev/null
+++ b/test/qv4l2/qv4l2.h
@@ -0,0 +1,79 @@
+/****************************************************************************
+** $Id: qt/application.h 3.3.6 edited Aug 31 2005 $
+**
+** Copyright (C) 1992-2005 Trolltech AS. All rights reserved.
+**
+** This file is part of an example program for Qt. This example
+** program may be used, distributed and modified without limitation.
+**
+*****************************************************************************/
+
+#ifndef APPLICATION_H
+#define APPLICATION_H
+
+#include <qmainwindow.h>
+#include <qtabwidget.h>
+#include <qsignalmapper.h>
+#include <qgrid.h>
+#include <map>
+#include <vector>
+
+#define __user
+#include <linux/videodev2.h>
+
+class QTextEdit;
+
+typedef std::vector<unsigned> ClassIDVec;
+typedef std::map<unsigned, ClassIDVec> ClassMap;
+typedef std::map<unsigned, struct v4l2_queryctrl> CtrlMap;
+typedef std::map<unsigned, QWidget *> WidgetMap;
+
+enum {
+ CTRL_UPDATE_ON_CHANGE = 0x10,
+ CTRL_DEFAULTS,
+ CTRL_REFRESH,
+ CTRL_UPDATE
+};
+
+class ApplicationWindow: public QMainWindow
+{
+ Q_OBJECT
+
+public:
+ ApplicationWindow();
+ ~ApplicationWindow();
+
+ void setDevice(const QString &device);
+
+protected:
+ void closeEvent( QCloseEvent* );
+
+private slots:
+ void choose();
+ void ctrlAction(int);
+
+ void about();
+
+private:
+ void addTabs();
+ void finishGrid(QWidget *vbox, QGrid *grid, unsigned ctrl_class, bool odd);
+ void addCtrl(QGrid *grid, const struct v4l2_queryctrl &qctrl);
+ void updateCtrl(unsigned id);
+ void refresh(unsigned ctrl_class);
+ void setDefaults(unsigned ctrl_class);
+ int getVal(unsigned id);
+ long long getVal64(unsigned id);
+ void setVal(unsigned id, int v);
+ void setVal64(unsigned id, long long v);
+
+ QString filename;
+ QSignalMapper *sigMapper;
+ QTabWidget *tabs;
+ int fd;
+ CtrlMap ctrlMap;
+ WidgetMap widgetMap;
+ ClassMap classMap;
+};
+
+
+#endif
diff --git a/test/qv4l2/qv4l2.pro b/test/qv4l2/qv4l2.pro
new file mode 100644
index 000000000..62eb56b07
--- /dev/null
+++ b/test/qv4l2/qv4l2.pro
@@ -0,0 +1,10 @@
+######################################################################
+# Automatically generated by qmake (1.07a) Sat Jun 17 12:35:16 2006
+######################################################################
+
+TEMPLATE = app
+INCLUDEPATH += . ../../linux/include
+
+# Input
+HEADERS += qv4l2.h
+SOURCES += qv4l2.cpp
diff --git a/test/v4l2-ctl.cpp b/test/v4l2-ctl.cpp
new file mode 100644
index 000000000..deb7f3fb9
--- /dev/null
+++ b/test/v4l2-ctl.cpp
@@ -0,0 +1,1249 @@
+/*
+ Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo dot com>
+
+ Cleanup and VBI and audio in/out options:
+ Copyright (C) 2004 Hans Verkuil <hverkuil@xs4all.nl>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <unistd.h>
+#include <features.h> /* Uses _GNU_SOURCE to define getsubopt in stdlib.h */
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+#include <getopt.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#include <math.h>
+#include <sys/klog.h>
+
+#define __user
+#include <linux/videodev2.h>
+
+#include <list>
+#include <vector>
+#include <map>
+#include <string>
+
+/* Short option list
+
+ Please keep in alphabetical order.
+ That makes it easier to see which short options are still free.
+
+ In general the lower case is used to set something and the upper
+ case is used to retrieve a setting. */
+enum Option {
+ OptGetAudioInput = 'A',
+ OptSetAudioInput = 'a',
+ OptGetAudioOutput = 'B',
+ OptSetAudioOutput = 'b',
+ OptGetCtrl = 'C',
+ OptSetCtrl = 'c',
+ OptSetDevice = 'd',
+ OptGetDriverInfo = 'D',
+ OptGetFreq = 'F',
+ OptSetFreq = 'f',
+ OptHelp = 'h',
+ OptGetInput = 'I',
+ OptSetInput = 'i',
+ OptListCtrls = 'l',
+ OptListCtrlsMenus = 'L',
+ OptListOutputs = 'N',
+ OptListInputs = 'n',
+ OptGetOutput = 'O',
+ OptSetOutput = 'o',
+ OptListAudioOutputs = 'Q',
+ OptListAudioInputs = 'q',
+ OptGetStandard = 'S',
+ OptSetStandard = 's',
+ OptGetTuner = 'T',
+ OptSetTuner = 't',
+ OptGetVideoFormat = 'V',
+ OptSetVideoFormat = 'v',
+ OptLast = 128
+};
+
+static char options[OptLast];
+static int option_all = 0;
+static int option_streamoff = 0;
+static int option_streamon = 0;
+static int option_list_stds = 0;
+static int option_version = 0;
+static int option_log_status = 0;
+static int option_verbose = 0;
+
+typedef std::vector<struct v4l2_ext_control> ctrl_list;
+static ctrl_list user_ctrls;
+static ctrl_list mpeg_ctrls;
+
+typedef std::map<std::string, unsigned> ctrl_strmap;
+static ctrl_strmap ctrl_str2id;
+typedef std::map<unsigned, std::string> ctrl_idmap;
+static ctrl_idmap ctrl_id2str;
+
+typedef std::list<std::string> ctrl_get_list;
+static ctrl_get_list get_ctrls;
+
+typedef std::map<std::string,std::string> ctrl_set_map;
+static ctrl_set_map set_ctrls;
+
+/* fmts specified */
+#define FMTWidth (1L<<0)
+#define FMTHeight (1L<<1)
+
+static struct option long_options[] = {
+ {"list-audio-inputs", no_argument, 0, OptListAudioInputs},
+ {"list-audio-outputs", no_argument, 0, OptListAudioOutputs},
+ {"all", no_argument, &option_all, 1},
+ {"device", required_argument, 0, OptSetDevice},
+ {"get-format", no_argument, 0, OptGetVideoFormat},
+ {"set-format", required_argument, 0, OptSetVideoFormat},
+ {"help", no_argument, 0, OptHelp},
+ {"get-output", no_argument, 0, OptGetOutput},
+ {"set-output", required_argument, 0, OptSetOutput},
+ {"list-outputs", no_argument, 0, OptListOutputs},
+ {"list-inputs", no_argument, 0, OptListInputs},
+ {"get-input", no_argument, 0, OptGetInput},
+ {"set-input", required_argument, 0, OptSetInput},
+ {"get-audio-input", no_argument, 0, OptGetAudioInput},
+ {"set-audio-input", required_argument, 0, OptSetAudioInput},
+ {"get-audio-output", no_argument, 0, OptGetAudioOutput},
+ {"set-audio-output", required_argument, 0, OptSetAudioOutput},
+ {"get-freq", no_argument, 0, OptGetFreq},
+ {"set-freq", required_argument, 0, OptSetFreq},
+ {"streamoff", no_argument, &option_streamoff, 1},
+ {"streamon", no_argument, &option_streamon, 1},
+ {"list-standards", no_argument, &option_list_stds, 1},
+ {"get-standard", no_argument, 0, OptGetStandard},
+ {"set-standard", required_argument, 0, OptSetStandard},
+ {"info", no_argument, 0, OptGetDriverInfo},
+ {"list-ctrls", no_argument, 0, OptListCtrls},
+ {"list-ctrls-menus", no_argument, 0, OptListCtrlsMenus},
+ {"set-ctrl", required_argument, 0, OptSetCtrl},
+ {"get-ctrl", required_argument, 0, OptGetCtrl},
+ {"get-tuner", no_argument, 0, OptGetTuner},
+ {"set-tuner", required_argument, 0, OptSetTuner},
+ {"version", no_argument, &option_version, 1},
+ {"verbose", no_argument, &option_verbose, 1},
+ {"log-status", no_argument, &option_log_status, 1},
+ {0, 0, 0, 0}
+};
+
+void usage(void)
+{
+ printf("Usage:\n");
+ printf(" --all display all information available\n");
+ printf(" -A, --get-audio-input\n");
+ printf(" query the current audio input [VIDIOC_G_AUDIO]\n");
+ printf(" -a, --set-audio-input=<num>\n");
+ printf(" set the current audio input to <num> [VIDIOC_S_AUDIO]\n");
+ printf(" -B, --get-audio-output\n");
+ printf(" query the current audio output [VIDIOC_G_AUDOUT]\n");
+ printf(" -b, --set-audio-output=<num>\n");
+ printf(" set the current audio output to <num> [VIDIOC_S_AUDOUT]\n");
+ printf(" -C, --get-ctrl=<ctrl>[,<ctrl>...]\n");
+ printf(" get the value of the controls [VIDIOC_G_EXT_CTRLS]\n");
+ printf(" -c, --set-ctrl=<ctrl>=<val>[,<ctrl>=<val>...]\n");
+ printf(" set the controls to the values specified [VIDIOC_S_EXT_CTRLS]\n");
+ printf(" -D, --info show driver info [VIDIOC_QUERYCAP]\n");
+ printf(" -d, --device=<dev> use device <dev> instead of /dev/video0\n");
+ printf(" if <dev> is a single digit, then /dev/video<dev> is used\n");
+ printf(" -F, --get-freq query the current frequency [VIDIOC_G_FREQUENCY]\n");
+ printf(" -f, --set-freq=<freq>\n");
+ printf(" set the current frequency to <freq> MHz [VIDIOC_S_FREQUENCY]\n");
+ printf(" -h, --help display this help message\n");
+ printf(" -I, --get-input query the current video input [VIDIOC_G_INPUT]\n");
+ printf(" -i, --set-input=<num>\n");
+ printf(" set the current video input to <num> [VIDIOC_S_INPUT]\n");
+ printf(" -l, --list-ctrls display all controls and their values [VIDIOC_QUERYCTRL]\n");
+ printf(" -L, --list-ctrls-menus\n");
+ printf(" display all controls, their values and the menus [VIDIOC_QUERYMENU]\n");
+ printf(" -N, --list-outputs display video outputs [VIDIOC_ENUMOUTPUT]\n");
+ printf(" -n, --list-inputs display video inputs [VIDIOC_ENUMINPUT]\n");
+ printf(" -O, --get-output query the current video output [VIDIOC_G_OUTPUT]\n");
+ printf(" -o, --set-output=<num>\n");
+ printf(" set the current video output to <num> [VIDIOC_S_OUTPUT]\n");
+ printf(" -Q, --list-audio-outputs\n");
+ printf(" display audio outputs [VIDIOC_ENUMAUDOUT]\n");
+ printf(" -q, --list-audio-inputs\n");
+ printf(" display audio inputs [VIDIOC_ENUMAUDIO]\n");
+ printf(" -S, --get-standard\n");
+ printf(" query the current video standard [VIDIOC_G_STD]\n");
+ printf(" -s, --set-standard=<num>\n");
+ printf(" set the current video standard to <num> [VIDIOC_S_STD]\n");
+ printf(" <num> can be a numerical v4l2_std value, or it can be one of:\n");
+ printf(" pal-X (X = B/G/H/N/Nc/I/D/K/M) or just 'pal' (V4L2_STD_PAL)\n");
+ printf(" ntsc-X (X = M/J/K) or just 'ntsc' (V4L2_STD_NTSC)\n");
+ printf(" secam-X (X = B/G/H/D/K/L/Lc) or just 'secam' (V4L2_STD_SECAM)\n");
+ printf(" --list-standards display supported video standards [VIDIOC_ENUMSTD]\n");
+ printf(" -T, --get-tuner query the current tuner settings [VIDIOC_G_TUNER]\n");
+ printf(" -t, --set-tuner=<mode>\n");
+ printf(" set the audio mode of the tuner [VIDIOC_S_TUNER]\n");
+ printf(" -V, --get-format query the current data format [VIDIOC_G_FMT]\n");
+ printf(" -v, --set-format=width=<x>,height=<y>\n");
+ printf(" set the current data format [VIDIOC_S_FMT]\n");
+ printf(" Possible values: 0 (mono), 1 (stereo), 2 (lang2), 3 (lang1), 4 (both)\n");
+ printf(" --verbose turn on verbose ioctl error reporting.\n");
+ printf(" --version shows the version number of this utility.\n");
+ printf("\n");
+ printf("Expert options:\n");
+ printf(" --streamoff turn the stream off [VIDIOC_STREAMOFF]\n");
+ printf(" --streamon turn the stream on [VIDIOC_STREAMOFF]\n");
+ printf(" --log-status log the board status in the kernel log [VIDIOC_LOG_STATUS]\n");
+ exit(0);
+}
+
+
+static std::string name2var(unsigned char *name)
+{
+ std::string s;
+
+ while (*name) {
+ if (*name == ' ') s += "_";
+ else s += std::string(1, tolower(*name));
+ name++;
+ }
+ return s;
+}
+
+static void print_qctrl(int fd, struct v4l2_queryctrl *queryctrl,
+ struct v4l2_ext_control *ctrl, int show_menus)
+{
+ struct v4l2_querymenu qmenu = { 0 };
+ std::string s = name2var(queryctrl->name);
+ int i;
+
+ qmenu.id = queryctrl->id;
+ switch (queryctrl->type) {
+ case V4L2_CTRL_TYPE_INTEGER:
+ printf("%31s (int) : min=%d max=%d step=%d default=%d value=%d",
+ s.c_str(),
+ queryctrl->minimum, queryctrl->maximum,
+ queryctrl->step, queryctrl->default_value,
+ ctrl->value);
+ break;
+ case V4L2_CTRL_TYPE_INTEGER64:
+ printf("%31s (int64): value=%lld", queryctrl->name, ctrl->value64);
+ break;
+ case V4L2_CTRL_TYPE_BOOLEAN:
+ printf("%31s (bool) : default=%d value=%d",
+ s.c_str(),
+ queryctrl->default_value, ctrl->value);
+ break;
+ case V4L2_CTRL_TYPE_MENU:
+ printf("%31s (menu) : min=%d max=%d default=%d value=%d",
+ s.c_str(),
+ queryctrl->minimum, queryctrl->maximum,
+ queryctrl->default_value, ctrl->value);
+ break;
+ case V4L2_CTRL_TYPE_BUTTON:
+ printf("%31s (button)\n", s.c_str());
+ break;
+ default: break;
+ }
+ if (queryctrl->flags) {
+ printf(" flags=");
+ if (queryctrl->flags & V4L2_CTRL_FLAG_GRABBED)
+ printf("grabbed ");
+ if (queryctrl->flags & V4L2_CTRL_FLAG_READ_ONLY)
+ printf("readonly ");
+ if (queryctrl->flags & V4L2_CTRL_FLAG_UPDATE)
+ printf("update ");
+ if (queryctrl->flags & V4L2_CTRL_FLAG_INACTIVE)
+ printf("inactive ");
+ if (queryctrl->flags & V4L2_CTRL_FLAG_SLIDER)
+ printf("slider ");
+ }
+ printf("\n");
+ if (queryctrl->type == V4L2_CTRL_TYPE_MENU && show_menus) {
+ for (i = 0; i <= queryctrl->maximum; i++) {
+ qmenu.index = i;
+ if (ioctl(fd, VIDIOC_QUERYMENU, &qmenu))
+ continue;
+ printf("\t\t\t\t%d: %s\n", i, qmenu.name);
+ }
+ }
+}
+
+static int print_control(int fd, struct v4l2_queryctrl &qctrl, int show_menus)
+{
+ struct v4l2_control ctrl = { 0 };
+ struct v4l2_ext_control ext_ctrl = { 0 };
+ struct v4l2_ext_controls ctrls = { 0 };
+
+ if (qctrl.flags & V4L2_CTRL_FLAG_DISABLED)
+ return 1;
+ if (qctrl.type == V4L2_CTRL_TYPE_CTRL_CLASS) {
+ printf("\n%s\n\n", qctrl.name);
+ return 1;
+ }
+ ext_ctrl.id = qctrl.id;
+ ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(qctrl.id);
+ ctrls.count = 1;
+ ctrls.controls = &ext_ctrl;
+ if (V4L2_CTRL_ID2CLASS(qctrl.id) != V4L2_CTRL_CLASS_USER &&
+ qctrl.id < V4L2_CID_PRIVATE_BASE) {
+ if (ioctl(fd, VIDIOC_G_EXT_CTRLS, &ctrls)) {
+ printf("error %d getting ext_ctrl %s\n",
+ errno, qctrl.name);
+ return 0;
+ }
+ }
+ else {
+ ctrl.id = qctrl.id;
+ if (ioctl(fd, VIDIOC_G_CTRL, &ctrl)) {
+ printf("error %d getting ctrl %s\n",
+ errno, qctrl.name);
+ return 0;
+ }
+ ext_ctrl.value = ctrl.value;
+ }
+ print_qctrl(fd, &qctrl, &ext_ctrl, show_menus);
+ return 1;
+}
+
+static void list_controls(int fd, int show_menus)
+{
+ struct v4l2_queryctrl qctrl = { V4L2_CTRL_FLAG_NEXT_CTRL };
+ int id;
+
+ while (ioctl(fd, VIDIOC_QUERYCTRL, &qctrl) == 0) {
+ print_control(fd, qctrl, show_menus);
+ qctrl.id |= V4L2_CTRL_FLAG_NEXT_CTRL;
+ }
+ if (qctrl.id != V4L2_CTRL_FLAG_NEXT_CTRL)
+ return;
+ for (id = V4L2_CID_USER_BASE; id < V4L2_CID_LASTP1; id++) {
+ qctrl.id = id;
+ if (ioctl(fd, VIDIOC_QUERYCTRL, &qctrl) == 0)
+ print_control(fd, qctrl, show_menus);
+ }
+ for (qctrl.id = V4L2_CID_PRIVATE_BASE;
+ ioctl(fd, VIDIOC_QUERYCTRL, &qctrl) == 0; qctrl.id++) {
+ print_control(fd, qctrl, show_menus);
+ }
+}
+
+static void find_controls(int fd)
+{
+ struct v4l2_queryctrl qctrl = { V4L2_CTRL_FLAG_NEXT_CTRL };
+ int id;
+
+ while (ioctl(fd, VIDIOC_QUERYCTRL, &qctrl) == 0) {
+ if (qctrl.type != V4L2_CTRL_TYPE_CTRL_CLASS) {
+ ctrl_str2id[name2var(qctrl.name)] = qctrl.id;
+ ctrl_id2str[qctrl.id] = name2var(qctrl.name);
+ }
+ qctrl.id |= V4L2_CTRL_FLAG_NEXT_CTRL;
+ }
+ if (qctrl.id != V4L2_CTRL_FLAG_NEXT_CTRL)
+ return;
+ for (id = V4L2_CID_USER_BASE; id < V4L2_CID_LASTP1; id++) {
+ qctrl.id = id;
+ if (ioctl(fd, VIDIOC_QUERYCTRL, &qctrl) == 0)
+ ctrl_str2id[name2var(qctrl.name)] = qctrl.id;
+ }
+ for (qctrl.id = V4L2_CID_PRIVATE_BASE;
+ ioctl(fd, VIDIOC_QUERYCTRL, &qctrl) == 0; qctrl.id++) {
+ ctrl_str2id[name2var(qctrl.name)] = qctrl.id;
+ }
+}
+
+int printfmt(struct v4l2_format vfmt)
+{
+ printf("Format:\n");
+
+ switch (vfmt.type) {
+ case 1:
+ printf("\tType : Video Capture\n");
+ printf("\tWidth : %d\n", vfmt.fmt.pix.width);
+ printf("\tHeight : %d\n", vfmt.fmt.pix.height);
+ break;
+ case 2:
+ printf("\tType : Video Output\n");
+ break;
+ case 3:
+ printf("\tType : Video Overlay\n");
+ break;
+ case 4:
+ printf("\tType : VBI Capture\n");
+ break;
+ case 5:
+ printf("\tType : VBI Output\n");
+ break;
+ case 0x80:
+ printf("\tType : Private\n");
+ break;
+ default:
+ printf("\tType : Unknown: %d\n", vfmt.type);
+ return -1;
+ break;
+ }
+ return 0;
+}
+
+char *pts_to_string(char *str, unsigned long pts)
+{
+ static char buf[256];
+ int hours, minutes, seconds, fracsec;
+ float fps;
+ int frame;
+ char *p = (str) ? str : buf;
+
+ static const int MPEG_CLOCK_FREQ = 90000;
+ seconds = pts / MPEG_CLOCK_FREQ;
+ fracsec = pts % MPEG_CLOCK_FREQ;
+
+ minutes = seconds / 60;
+ seconds = seconds % 60;
+
+ hours = minutes / 60;
+ minutes = minutes % 60;
+
+ fps = 30;
+ frame = (int)ceilf(((float)fracsec / (float)MPEG_CLOCK_FREQ) * fps);
+
+ snprintf(p, sizeof(buf), "%d:%02d:%02d:%d", hours, minutes, seconds,
+ frame);
+ return p;
+}
+
+static const char *audmode2s(int audmode)
+{
+ switch (audmode) {
+ case V4L2_TUNER_MODE_STEREO: return "stereo";
+ case V4L2_TUNER_MODE_LANG1: return "lang1";
+ case V4L2_TUNER_MODE_LANG2: return "lang2";
+ case V4L2_TUNER_MODE_LANG1_LANG2: return "bilingual";
+ case V4L2_TUNER_MODE_MONO: return "mono";
+ default: return "unknown";
+ }
+}
+
+static std::string rxsubchans2s(int rxsubchans)
+{
+ std::string s;
+
+ if (rxsubchans & V4L2_TUNER_SUB_MONO)
+ s += "mono ";
+ if (rxsubchans & V4L2_TUNER_SUB_STEREO)
+ s += "stereo ";
+ if (rxsubchans & V4L2_TUNER_SUB_LANG1)
+ s += "lang1 ";
+ if (rxsubchans & V4L2_TUNER_SUB_LANG2)
+ s += "lang2 ";
+ return s;
+}
+
+static std::string tcap2s(unsigned cap)
+{
+ std::string s;
+
+ if (cap & V4L2_TUNER_CAP_LOW)
+ s += "62.5 Hz ";
+ else
+ s += "62.5 kHz ";
+ if (cap & V4L2_TUNER_CAP_NORM)
+ s += "multi-standard ";
+ if (cap & V4L2_TUNER_CAP_STEREO)
+ s += "stereo ";
+ if (cap & V4L2_TUNER_CAP_LANG1)
+ s += "lang1 ";
+ if (cap & V4L2_TUNER_CAP_LANG2)
+ s += "lang2 ";
+ return s;
+}
+
+static std::string cap2s(unsigned cap)
+{
+ std::string s;
+
+ if (cap & V4L2_CAP_VIDEO_CAPTURE)
+ s += "\t\tVideo Capture\n";
+ if (cap & V4L2_CAP_VIDEO_OUTPUT)
+ s += "\t\tVideo Output\n";
+ if (cap & V4L2_CAP_VIDEO_OVERLAY)
+ s += "\t\tVideo Overlay\n";
+ if (cap & V4L2_CAP_VBI_CAPTURE)
+ s += "\t\tVBI Capture\n";
+ if (cap & V4L2_CAP_VBI_OUTPUT)
+ s += "\t\tVBI Output\n";
+ if (cap & V4L2_CAP_SLICED_VBI_CAPTURE)
+ s += "\t\tSliced VBI Capture\n";
+ if (cap & V4L2_CAP_SLICED_VBI_OUTPUT)
+ s += "\t\tSliced VBI Output\n";
+ if (cap & V4L2_CAP_RDS_CAPTURE)
+ s += "\t\tRDS Capture\n";
+ if (cap & V4L2_CAP_TUNER)
+ s += "\t\tTuner\n";
+ if (cap & V4L2_CAP_AUDIO)
+ s += "\t\tAudio\n";
+ if (cap & V4L2_CAP_RADIO)
+ s += "\t\tRadio\n";
+ if (cap & V4L2_CAP_READWRITE)
+ s += "\t\tRead/Write\n";
+ if (cap & V4L2_CAP_ASYNCIO)
+ s += "\t\tAsync I/O\n";
+ if (cap & V4L2_CAP_STREAMING)
+ s += "\t\tStreaming\n";
+ return s;
+}
+
+static v4l2_std_id parse_pal(const char *pal)
+{
+ if (pal[0] == '-') {
+ switch (pal[1]) {
+ case 'b':
+ case 'B':
+ case 'g':
+ case 'G':
+ return V4L2_STD_PAL_BG;
+ case 'h':
+ case 'H':
+ return V4L2_STD_PAL_H;
+ case 'n':
+ case 'N':
+ if (pal[2] == 'c' || pal[2] == 'C')
+ return V4L2_STD_PAL_Nc;
+ return V4L2_STD_PAL_N;
+ case 'i':
+ case 'I':
+ return V4L2_STD_PAL_I;
+ case 'd':
+ case 'D':
+ case 'k':
+ case 'K':
+ return V4L2_STD_PAL_DK;
+ case 'M':
+ case 'm':
+ return V4L2_STD_PAL_M;
+ case '-':
+ break;
+ }
+ }
+ fprintf(stderr, "pal specifier not recognised\n");
+ return 0;
+}
+
+static v4l2_std_id parse_secam(const char *secam)
+{
+ if (secam[0] == '-') {
+ switch (secam[1]) {
+ case 'b':
+ case 'B':
+ case 'g':
+ case 'G':
+ case 'h':
+ case 'H':
+ return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
+ case 'd':
+ case 'D':
+ case 'k':
+ case 'K':
+ return V4L2_STD_SECAM_DK;
+ case 'l':
+ case 'L':
+ if (secam[2] == 'C' || secam[2] == 'c')
+ return V4L2_STD_SECAM_LC;
+ return V4L2_STD_SECAM_L;
+ case '-':
+ break;
+ }
+ }
+ fprintf(stderr, "secam specifier not recognised\n");
+ return 0;
+}
+
+static v4l2_std_id parse_ntsc(const char *ntsc)
+{
+ if (ntsc[0] == '-') {
+ switch (ntsc[1]) {
+ case 'm':
+ case 'M':
+ return V4L2_STD_NTSC_M;
+ case 'j':
+ case 'J':
+ return V4L2_STD_NTSC_M_JP;
+ case 'k':
+ case 'K':
+ return V4L2_STD_NTSC_M_KR;
+ case '-':
+ break;
+ }
+ }
+ fprintf(stderr, "ntsc specifier not recognised\n");
+ return 0;
+}
+
+static int doioctl(int fd, int request, void *parm, const char *name)
+{
+ int retVal;
+
+ if (!option_verbose) return ioctl(fd, request, parm);
+ retVal = ioctl(fd, request, parm);
+ if (retVal < 0)
+ printf("failed: %s\n", strerror(errno));
+ else
+ printf("ok\n");
+
+ return retVal;
+}
+
+static int parse_subopt(char **subs, char * const *subopts, char **value)
+{
+ int opt = getsubopt(subs, subopts, value);
+
+ if (opt == -1) {
+ fprintf(stderr, "Invalid suboptions specified\n");
+ usage();
+ exit(1);
+ }
+ if (value == NULL) {
+ fprintf(stderr, "No value given to suboption <%s>\n",
+ subopts[opt]);
+ usage();
+ exit(1);
+ }
+ return opt;
+}
+
+static void parse_next_subopt(char **subs, char **value)
+{
+ static char *const subopts[] = {
+ NULL
+ };
+ int opt = getsubopt(subs, subopts, value);
+
+ if (value == NULL) {
+ fprintf(stderr, "No value given to suboption <%s>\n",
+ subopts[opt]);
+ usage();
+ exit(1);
+ }
+}
+
+int main(int argc, char **argv)
+{
+ char *value, *subs;
+ int i;
+
+ int fd = -1;
+
+ /* bitfield for fmts */
+ unsigned int set_fmts = 0;
+
+ int mode = V4L2_TUNER_MODE_STEREO; /* set audio mode */
+
+ /* command args */
+ char ch, *device = strdup("/dev/video0"); /* -d device */
+ struct v4l2_format vfmt; /* set_format/get_format */
+ struct v4l2_tuner tuner; /* set_tuner/get_tuner */
+ struct v4l2_capability vcap; /* list_cap */
+ struct v4l2_input vin; /* list_inputs */
+ struct v4l2_output vout; /* list_outputs */
+ struct v4l2_audio vaudio; /* list audio inputs */
+ struct v4l2_audioout vaudout = { 0 }; /* audio outputs */
+ int input; /* set_input/get_input */
+ int output; /* set_output/get_output */
+ v4l2_std_id std; /* get_std/set_std */
+ double freq = 0; /* get/set frequency */
+ struct v4l2_frequency vf; /* get_freq/set_freq */
+ struct v4l2_standard vs; /* list_std */
+ char short_options[26 * 2 * 2 + 1];
+ int idx = 0;
+
+ if (argc == 1) {
+ usage();
+ return 0;
+ }
+ for (i = 0; long_options[i].name; i++) {
+ if (!isalpha(long_options[i].val))
+ continue;
+ short_options[idx++] = long_options[i].val;
+ if (long_options[i].has_arg == required_argument)
+ short_options[idx++] = ':';
+ }
+ while (1) {
+ int option_index = 0;
+
+ short_options[idx] = 0;
+ ch = getopt_long(argc, argv, short_options,
+ long_options, &option_index);
+ if (ch == -1)
+ break;
+
+ options[(int)ch] = 1;
+ switch (ch) {
+ case OptHelp:
+ usage();
+ return 0;
+ case OptSetDevice:
+ device = strdup(optarg);
+ if (device[0] >= '0' && device[0] <= '9' && device[1] == 0) {
+ char dev = device[0];
+
+ sprintf(device, "/dev/video%c", dev);
+ }
+ break;
+ case OptSetVideoFormat:
+ subs = optarg;
+ while (*subs != '\0') {
+ static char *const subopts[] = {
+ "width",
+ "height",
+ NULL
+ };
+
+ switch (parse_subopt(&subs, subopts, &value)) {
+ case 0:
+ vfmt.fmt.pix.width = strtol(value, 0L, 0);
+ set_fmts |= FMTWidth;
+ break;
+ case 1:
+ vfmt.fmt.pix.height = strtol(value, 0L, 0);
+ set_fmts |= FMTHeight;
+ break;
+ }
+ }
+ break;
+ case OptSetInput:
+ input = strtol(optarg, 0L, 0);
+ break;
+ case OptSetOutput:
+ output = strtol(optarg, 0L, 0);
+ break;
+ case OptSetAudioInput:
+ vaudio.index = strtol(optarg, 0L, 0);
+ break;
+ case OptSetAudioOutput:
+ vaudout.index = strtol(optarg, 0L, 0);
+ break;
+ case OptSetFreq:
+ freq = strtod(optarg, NULL);
+ break;
+ case OptSetStandard:
+ if (!strncmp(optarg, "pal", 3)) {
+ if (optarg[3])
+ std = parse_pal(optarg + 3);
+ else
+ std = V4L2_STD_PAL;
+ }
+ else if (!strncmp(optarg, "ntsc", 4)) {
+ if (optarg[4])
+ std = parse_ntsc(optarg + 4);
+ else
+ std = V4L2_STD_NTSC;
+ }
+ else if (!strncmp(optarg, "secam", 5)) {
+ if (optarg[5])
+ std = parse_secam(optarg + 5);
+ else
+ std = V4L2_STD_SECAM;
+ }
+ else {
+ std = strtol(optarg, 0L, 0);
+ }
+ break;
+ case OptGetCtrl:
+ subs = optarg;
+ while (*subs != '\0') {
+ parse_next_subopt(&subs, &value);
+ if (strchr(value, '=')) {
+ usage();
+ exit(1);
+ }
+ else {
+ get_ctrls.push_back(value);
+ }
+ }
+ break;
+ case OptSetCtrl:
+ subs = optarg;
+ while (*subs != '\0') {
+ parse_next_subopt(&subs, &value);
+ if (const char *equal = strchr(value, '=')) {
+ set_ctrls[std::string(value, (equal - value))] = equal + 1;
+ }
+ else {
+ fprintf(stderr, "control '%s' without '='\n", value);
+ exit(1);
+ }
+ }
+ break;
+ case OptSetTuner:
+ if (!strcmp(optarg, "stereo"))
+ mode = V4L2_TUNER_MODE_STEREO;
+ else if (!strcmp(optarg, "lang1"))
+ mode = V4L2_TUNER_MODE_LANG1;
+ else if (!strcmp(optarg, "lang2"))
+ mode = V4L2_TUNER_MODE_LANG2;
+ else if (!strcmp(optarg, "bilingual"))
+ mode = V4L2_TUNER_MODE_LANG1_LANG2;
+ else if (!strcmp(optarg, "mono"))
+ mode = V4L2_TUNER_MODE_MONO;
+ else {
+ fprintf(stderr, "Unknown audio mode\n");
+ usage();
+ return 1;
+ }
+ break;
+ case ':':
+ fprintf(stderr, "Option `%s' requires a value\n",
+ argv[optind]);
+ usage();
+ return 1;
+ case '?':
+ fprintf(stderr, "Unknown argument `%s'\n",
+ argv[optind]);
+ usage();
+ return 1;
+ }
+ }
+ if (optind < argc) {
+ printf("unknown arguments: ");
+ while (optind < argc)
+ printf("%s ", argv[optind++]);
+ printf("\n");
+ usage();
+ return 1;
+ }
+
+ if ((fd = open(device, O_RDWR)) < 0) {
+ fprintf(stderr, "Failed to open %s: %s\n", device,
+ strerror(errno));
+ exit(1);
+ }
+ free(device);
+
+ find_controls(fd);
+ for (ctrl_get_list::iterator iter = get_ctrls.begin(); iter != get_ctrls.end(); ++iter) {
+ if (ctrl_str2id.find(*iter) == ctrl_str2id.end()) {
+ fprintf(stderr, "unknown control '%s'\n", (*iter).c_str());
+ exit(1);
+ }
+ }
+ for (ctrl_set_map::iterator iter = set_ctrls.begin(); iter != set_ctrls.end(); ++iter) {
+ if (ctrl_str2id.find(iter->first) == ctrl_str2id.end()) {
+ fprintf(stderr, "unknown control '%s'\n", iter->first.c_str());
+ exit(1);
+ }
+ }
+
+ if (option_all) {
+ options[OptGetVideoFormat] = 1;
+ options[OptGetDriverInfo] = 1;
+ options[OptGetInput] = 1;
+ options[OptGetOutput] = 1;
+ options[OptGetAudioInput] = 1;
+ options[OptGetAudioOutput] = 1;
+ options[OptGetStandard] = 1;
+ options[OptGetFreq] = 1;
+ options[OptGetTuner] = 1;
+ }
+
+
+ /* Setting Opts */
+
+ if (options[OptSetVideoFormat]) {
+ struct v4l2_format in_vfmt;
+ printf("ioctl: VIDIOC_S_FMT\n");
+ in_vfmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ if (ioctl(fd, VIDIOC_G_FMT, &in_vfmt) < 0)
+ fprintf(stderr, "ioctl: VIDIOC_G_FMT failed\n");
+ else {
+ printf("\tBefore:\n");
+ if (printfmt(in_vfmt) != 0)
+ fprintf(stderr, "error printing result\n");
+ if (set_fmts & FMTWidth)
+ in_vfmt.fmt.pix.width = vfmt.fmt.pix.width;
+ if (set_fmts & FMTHeight)
+ in_vfmt.fmt.pix.height = vfmt.fmt.pix.height;
+ if (ioctl(fd, VIDIOC_S_FMT, &in_vfmt) < 0)
+ fprintf(stderr, "ioctl: VIDIOC_S_FMT failed\n");
+ vfmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ if (ioctl(fd, VIDIOC_G_FMT, &vfmt) < 0)
+ fprintf(stderr, "ioctl: VIDIOC_G_FMT failed\n");
+ else {
+ printf("\n\tAfter:\n");
+ if (printfmt(vfmt) != 0)
+ fprintf(stderr,
+ "error printing result\n");
+ }
+ }
+ }
+
+ if (option_streamoff) {
+ int dummy = 0;
+ doioctl(fd, VIDIOC_STREAMOFF, &dummy, "VIDIOC_STREAMOFF");
+ }
+
+ if (options[OptSetFreq]) {
+ double fac = 16;
+
+ if (doioctl(fd, VIDIOC_G_TUNER, &tuner, "VIDIOC_G_TUNER") == 0) {
+ fac = (tuner.capability & V4L2_TUNER_CAP_LOW) ? 16000 : 16;
+ }
+ vf.tuner = 0;
+ vf.type = (enum v4l2_tuner_type)0;
+ vf.frequency = __u32(freq * fac);
+ if (doioctl(fd, VIDIOC_S_FREQUENCY, &vf,
+ "VIDIOC_S_FREQUENCY") == 0)
+ printf("Frequency set to %d (%f MHz)\n", vf.frequency,
+ vf.frequency / fac);
+ }
+
+ if (options[OptSetStandard]) {
+ if (std < 16) {
+ vs.index = std;
+ if (ioctl(fd, VIDIOC_ENUMSTD, &vs) >= 0) {
+ std = vs.id;
+ }
+ }
+ if (doioctl(fd, VIDIOC_S_STD, &std, "VIDIOC_S_STD") == 0)
+ printf("Standard set to %08llx\n", (unsigned long long)std);
+ }
+
+ if (options[OptSetCtrl] && !set_ctrls.empty()) {
+ struct v4l2_ext_controls ctrls = { 0 };
+
+ for (ctrl_set_map::iterator iter = set_ctrls.begin();
+ iter != set_ctrls.end(); ++iter) {
+ struct v4l2_ext_control ctrl = { 0 };
+
+ ctrl.id = ctrl_str2id[iter->first];
+ ctrl.value = atol(iter->second.c_str());
+ if (V4L2_CTRL_ID2CLASS(ctrl.id) == V4L2_CTRL_CLASS_MPEG)
+ mpeg_ctrls.push_back(ctrl);
+ else
+ user_ctrls.push_back(ctrl);
+ }
+ for (unsigned i = 0; i < user_ctrls.size(); i++) {
+ struct v4l2_control ctrl;
+
+ ctrl.id = user_ctrls[i].id;
+ ctrl.value = user_ctrls[i].value;
+ if (ioctl(fd, VIDIOC_S_CTRL, &ctrl)) {
+ fprintf(stderr, "%s: %s\n",
+ ctrl_id2str[ctrl.id].c_str(),
+ strerror(errno));
+ }
+ }
+ if (mpeg_ctrls.size()) {
+ ctrls.ctrl_class = V4L2_CTRL_CLASS_MPEG;
+ ctrls.count = mpeg_ctrls.size();
+ ctrls.controls = &mpeg_ctrls[0];
+ if (ioctl(fd, VIDIOC_S_EXT_CTRLS, &ctrls)) {
+ if (ctrls.error_idx >= ctrls.count) {
+ fprintf(stderr, "Error setting MPEG controls: %s\n",
+ strerror(errno));
+ }
+ else {
+ fprintf(stderr, "%s: %s\n",
+ ctrl_id2str[mpeg_ctrls[ctrls.error_idx].id].c_str(),
+ strerror(errno));
+ }
+ }
+ }
+ }
+
+ /* informational opts */
+
+ if (options[OptGetDriverInfo]) {
+ if (doioctl(fd, VIDIOC_QUERYCAP, &vcap, "VIDIOC_QUERYCAP") == 0) {
+ printf("Driver info:\n");
+ printf("\tDriver name : %s\n", vcap.driver);
+ printf("\tCard type : %s\n", vcap.card);
+ printf("\tBus info : %s\n", vcap.bus_info);
+ printf("\tDriver version: %d\n", vcap.version);
+ printf("\tCapabilities : 0x%08X\n", vcap.capabilities);
+ printf("%s", cap2s(vcap.capabilities).c_str());
+ }
+ }
+
+ if (options[OptGetVideoFormat]) {
+ vfmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ if (doioctl(fd, VIDIOC_G_FMT, &vfmt, "VIDIOC_G_FMT") == 0)
+ if (printfmt(vfmt) != 0)
+ fprintf(stderr, "error printing result\n");
+ }
+
+ if (options[OptListInputs]) {
+ vin.index = 0;
+ printf("ioctl: VIDIOC_ENUMINPUT\n");
+ while (ioctl(fd, VIDIOC_ENUMINPUT, &vin) >= 0) {
+ if (vin.index)
+ printf("\n");
+ printf("\tInput : %d\n", vin.index);
+ printf("\tName : %s\n", vin.name);
+ printf("\tType : 0x%08X\n", vin.type);
+ printf("\tAudioset: 0x%08X\n", vin.audioset);
+ printf("\tTuner : 0x%08X\n", vin.tuner);
+ printf("\tStandard: 0x%016llX ( ", (unsigned long long)vin.std);
+ if (vin.std & 0x000FFF)
+ printf("PAL "); // hack
+ if (vin.std & 0x00F000)
+ printf("NTSC "); // hack
+ if (vin.std & 0x7F0000)
+ printf("SECAM "); // hack
+ printf(")\n");
+ printf("\tStatus : %d\n", vin.status);
+ vin.index++;
+ }
+ }
+
+ if (options[OptSetInput]) {
+ if (doioctl(fd, VIDIOC_S_INPUT, &input, "VIDIOC_S_INPUT") == 0) {
+ printf("Video input set to %d", input);
+ vin.index = input;
+ if (ioctl(fd, VIDIOC_ENUMINPUT, &vin) >= 0)
+ printf(" (%s)", vin.name);
+ printf("\n");
+ }
+ }
+
+ if (options[OptGetInput]) {
+ if (doioctl(fd, VIDIOC_G_INPUT, &input, "VIDIOC_G_INPUT") == 0) {
+ printf("Video input : %d", input);
+ vin.index = input;
+ if (ioctl(fd, VIDIOC_ENUMINPUT, &vin) >= 0)
+ printf(" (%s)", vin.name);
+ printf("\n");
+ }
+ }
+
+ if (options[OptListOutputs]) {
+ vout.index = 0;
+ printf("ioctl: VIDIOC_ENUMOUTPUT\n");
+ while (ioctl(fd, VIDIOC_ENUMOUTPUT, &vout) >= 0) {
+ if (vout.index)
+ printf("\n");
+ printf("\tOutput : %d\n", vout.index);
+ printf("\tName : %s\n", vout.name);
+ printf("\tType : 0x%08X\n", vout.type);
+ printf("\tAudioset: 0x%08X\n", vout.audioset);
+ printf("\tStandard: 0x%016llX ( ", (unsigned long long)vout.std);
+ if (vout.std & 0x000FFF)
+ printf("PAL "); // hack
+ if (vout.std & 0x00F000)
+ printf("NTSC "); // hack
+ if (vout.std & 0x7F0000)
+ printf("SECAM "); // hack
+ printf(")\n");
+ vout.index++;
+ }
+ }
+
+ if (options[OptSetOutput]) {
+ if (doioctl(fd, VIDIOC_S_OUTPUT, &output, "VIDIOC_S_OUTPUT") == 0)
+ printf("Output set to %d\n", output);
+ }
+
+ if (options[OptGetOutput]) {
+ if (doioctl(fd, VIDIOC_G_OUTPUT, &output, "VIDIOC_G_OUTPUT") == 0) {
+ printf("Video output: %d", output);
+ vout.index = output;
+ if (ioctl(fd, VIDIOC_ENUMOUTPUT, &vout) >= 0) {
+ printf(" (%s)", vout.name);
+ }
+ printf("\n");
+ }
+ }
+
+ if (options[OptListAudioInputs]) {
+ struct v4l2_audio vaudio; /* list audio inputs */
+ vaudio.index = 0;
+ printf("ioctl: VIDIOC_ENUMAUDIO\n");
+ while (ioctl(fd, VIDIOC_ENUMAUDIO, &vaudio) >= 0) {
+ if (vaudio.index)
+ printf("\n");
+ printf("\tInput : %d\n", vaudio.index);
+ printf("\tName : %s\n", vaudio.name);
+ vaudio.index++;
+ }
+ }
+
+ if (options[OptSetAudioInput]) {
+ if (doioctl(fd, VIDIOC_S_AUDIO, &vaudio, "VIDIOC_S_AUDIO") == 0)
+ printf("Audio input set to %d\n", vaudio.index);
+ }
+
+ if (options[OptGetAudioInput]) {
+ if (doioctl(fd, VIDIOC_G_AUDIO, &vaudio, "VIDIOC_G_AUDIO") == 0)
+ printf("Audio input : %d (%s)\n", vaudio.index, vaudio.name);
+ }
+
+ if (options[OptSetAudioOutput]) {
+ if (doioctl(fd, VIDIOC_S_AUDOUT, &vaudout, "VIDIOC_S_AUDOUT") == 0)
+ printf("Audio output set to %d\n", vaudout.index);
+ }
+
+ if (options[OptGetAudioOutput]) {
+ if (doioctl(fd, VIDIOC_G_AUDOUT, &vaudout, "VIDIOC_G_AUDOUT") == 0)
+ printf("Audio output: %d (%s)\n", vaudout.index, vaudout.name);
+ }
+
+ if (options[OptGetFreq]) {
+ double fac = 16;
+
+ if (doioctl(fd, VIDIOC_G_TUNER, &tuner, "VIDIOC_G_TUNER") == 0) {
+ fac = (tuner.capability & V4L2_TUNER_CAP_LOW) ? 16000 : 16;
+ }
+ vf.tuner = 0;
+ if (doioctl(fd, VIDIOC_G_FREQUENCY, &vf, "VIDIOC_G_FREQUENCY") == 0)
+ printf("Frequency: %d (%f MHz)\n", vf.frequency,
+ vf.frequency / fac);
+ }
+
+ if (option_list_stds) {
+ printf("ioctl: VIDIOC_ENUMSTD\n");
+ vs.index = 0;
+ while (ioctl(fd, VIDIOC_ENUMSTD, &vs) >= 0) {
+ if (vs.index)
+ printf("\n");
+ printf("\tindex : %d\n", vs.index);
+ printf("\tID : 0x%016llX\n", (unsigned long long)vs.id);
+ printf("\tName : %s\n", vs.name);
+ printf("\tFrame period: %d/%d\n",
+ vs.frameperiod.numerator,
+ vs.frameperiod.denominator);
+ printf("\tFrame lines : %d\n", vs.framelines);
+ vs.index++;
+ }
+ }
+
+ if (options[OptGetStandard]) {
+ if (doioctl(fd, VIDIOC_G_STD, &std, "VIDIOC_G_STD") == 0)
+ printf("Video standard = 0x%08llx\n", (unsigned long long)std);
+ }
+
+ if (options[OptListCtrlsMenus]) {
+ list_controls(fd, 1);
+ }
+
+ if (options[OptGetCtrl] && !get_ctrls.empty()) {
+ struct v4l2_ext_controls ctrls = { 0 };
+
+ mpeg_ctrls.clear();
+ user_ctrls.clear();
+ for (ctrl_get_list::iterator iter = get_ctrls.begin();
+ iter != get_ctrls.end(); ++iter) {
+ struct v4l2_ext_control ctrl = { 0 };
+
+ ctrl.id = ctrl_str2id[*iter];
+ if (V4L2_CTRL_ID2CLASS(ctrl.id) == V4L2_CTRL_CLASS_MPEG)
+ mpeg_ctrls.push_back(ctrl);
+ else
+ user_ctrls.push_back(ctrl);
+ }
+ for (unsigned i = 0; i < user_ctrls.size(); i++) {
+ struct v4l2_control ctrl;
+
+ ctrl.id = user_ctrls[i].id;
+ doioctl(fd, VIDIOC_G_CTRL, &ctrl, "VIDIOC_G_CTRL");
+ printf("%s: %d\n", ctrl_id2str[ctrl.id].c_str(), ctrl.value);
+ }
+ if (mpeg_ctrls.size()) {
+ ctrls.ctrl_class = V4L2_CTRL_CLASS_MPEG;
+ ctrls.count = mpeg_ctrls.size();
+ ctrls.controls = &mpeg_ctrls[0];
+ doioctl(fd, VIDIOC_S_EXT_CTRLS, &ctrls, "VIDIOC_S_EXT_CTRLS");
+ for (unsigned i = 0; i < mpeg_ctrls.size(); i++) {
+ struct v4l2_ext_control ctrl = mpeg_ctrls[i];
+
+ printf("%s: %d\n", ctrl_id2str[ctrl.id].c_str(), ctrl.value);
+ }
+ }
+ }
+
+ if (options[OptGetTuner]) {
+ struct v4l2_tuner vt;
+ memset(&vt, 0, sizeof(struct v4l2_tuner));
+ if (doioctl(fd, VIDIOC_G_TUNER, &vt, "VIDIOC_G_TUNER") == 0) {
+ printf("Tuner:\n");
+ printf("\tCapabilities : %s\n", tcap2s(vt.capability).c_str());
+ if (vt.capability & V4L2_TUNER_CAP_LOW)
+ printf("\tFrequency range : %.1f MHz - %.1f MHz\n",
+ vt.rangelow / 16000.0, vt.rangehigh / 16000.0);
+ else
+ printf("\tFrequency range : %.1f MHz - %.1f MHz\n",
+ vt.rangelow / 16.0, vt.rangehigh / 16.0);
+ printf("\tSignal strength : %d%%\n", (int)(vt.signal / 655.35));
+ printf("\tCurrent audio mode : %s\n", audmode2s(vt.audmode));
+ printf("\tAvailable subchannels: %s\n",
+ rxsubchans2s(vt.rxsubchans).c_str());
+ }
+ }
+ if (options[OptSetTuner]) {
+ struct v4l2_tuner vt;
+
+ memset(&vt, 0, sizeof(struct v4l2_tuner));
+ if (ioctl(fd, VIDIOC_G_TUNER, &vt) < 0) {
+ fprintf(stderr, "ioctl: VIDIOC_G_TUNER failed\n");
+ exit(1);
+ }
+ vt.audmode = mode;
+ doioctl(fd, VIDIOC_S_TUNER, &vt, "VIDIOC_S_TUNER");
+ }
+
+ if (option_version) {
+ //printf("ivtvctl version " IVTV_VERSION "\n");
+ }
+
+ if (options[OptListCtrls]) {
+ list_controls(fd, 0);
+ }
+
+ if (option_log_status) {
+ static char buf[40960];
+ int len;
+
+ if (doioctl(fd, VIDIOC_LOG_STATUS, NULL, "VIDIOC_LOG_STATUS") == 0) {
+ printf("\nStatus Log:\n\n");
+ len = klogctl(3, buf, sizeof(buf) - 1);
+ if (len >= 0) {
+ char *p = buf;
+ char *q;
+
+ buf[len] = 0;
+ while ((q = strstr(p, "START STATUS CARD #"))) {
+ p = q + 1;
+ }
+ if (p) {
+ while (p > buf && *p != '<') p--;
+ q = p;
+ while ((q = strstr(q, "<6>"))) {
+ memcpy(q, " ", 3);
+ }
+ printf("%s", p);
+ }
+ }
+ }
+ }
+
+ if (option_streamon) {
+ int dummy = 0;
+ doioctl(fd, VIDIOC_STREAMON, &dummy, "VIDIOC_STREAMON");
+ }
+
+ close(fd);
+ exit(0);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-25 05:52:42 +0000