Signed-off-by: Bård Eirik Winther <bwinther@xxxxxxxxx>
---
utils/qv4l2/qv4l2.cpp | 112 ++++++++++++++++++++++++++++++++++++++++++--------
1 file changed, 96 insertions(+), 16 deletions(-)
diff --git a/utils/qv4l2/qv4l2.cpp b/utils/qv4l2/qv4l2.cpp
index 892d9c3..644abe6 100644
--- a/utils/qv4l2/qv4l2.cpp
+++ b/utils/qv4l2/qv4l2.cpp
@@ -1146,33 +1146,113 @@ void ApplicationWindow::closeEvent(QCloseEvent *event)
ApplicationWindow *g_mw;
+static void usage()
+{
+ printf(" Usage:\n"
+ " qv4l2 [-R] [-h] [-d <dev>] [-r <dev>] [-V <dev>]\n"
+ "\n -d, --device=<dev> use device <dev> as the video device\n"
+ " if <dev> is a number, then /dev/video<dev> is used\n"
+ " -r, --radio-device=<dev> use device <dev> as the radio device\n"
+ " if <dev> is a number, then /dev/radio<dev> is used\n"
+ " -V, --vbi-device=<dev> use device <dev> as the vbi device\n"
+ " if <dev> is a number, then /dev/vbi<dev> is used\n"
+ " -h, --help display this help message\n"
+ " -R, --raw open device in raw mode.\n");
+}
+
+static void usageError(const char *msg)
+{
+ printf("Missing parameter for %s\n", msg);
+ usage();
+}
+
+static QString getDeviceName(QString dev, QString &name)
+{
+ bool ok;
+ name.toInt(&ok);
+ return ok ? QString("%1%2").arg(dev).arg(name) : name;
+}
+
int main(int argc, char **argv)
{
QApplication a(argc, argv);
- QString device = "/dev/video0";
bool raw = false;
- bool help = false;
- int i;
+ QString device;
+ QString video_device;
+ QString radio_device;
+ QString vbi_device;
a.setWindowIcon(QIcon(":/qv4l2.png"));
g_mw = new ApplicationWindow();
g_mw->setWindowTitle("V4L2 Test Bench");
- for (i = 1; i < argc; i++) {
- const char *arg = a.argv()[i];
- if (!strcmp(arg, "-r"))
+ QStringList args = a.arguments();
+ for (int i = 1; i < args.size(); i++) {
+
+ if (args[i] == "-d" || args[i] == "--device") {
+ ++i;
+ if (i >= args.size()) {
+ usageError("--device");
+ return 0;
+ }
+
+ video_device = args.at(i);
+ if (video_device.startsWith("-")) {
+ usageError("--device");
+ return 0;
+ }
+ break;
+
+ } else if (args[i] == "-r" || args[i] == "--radio-device") {
+ ++i;
+ if (i >= args.size()) {
+ usageError("--radio-device");
+ return 0;
+ }
+
+ radio_device = args.at(i);
+ if (radio_device.startsWith("-")) {
+ usageError("--radio-device");
+ return 0;
+ }
+ break;
+
+ } else if (args[i] == "-V" || args[i] == "--vbi-device") {
+ ++i;
+ if (i >= args.size()) {
+ usageError("--vbi-device");
+ return 0;
+ }
+
+ vbi_device = args.at(i);
+ if (vbi_device.startsWith("-")) {
+ usageError("--vbi-device");
+ return 0;
+ }
+ break;
+
+ } else if (args[i] == "-h" || args[i] == "--help") {
+ usage();
+ return 0;
+
+ } else if (args[i] == "-R" || args[i] == "--raw") {
raw = true;
- else if (!strcmp(arg, "-h"))
- help = true;
- else if (arg[0] != '-')
- device = arg;
- }
- if (help) {
- printf("qv4l2 [-r] [-h] [device node]\n\n"
- "-h\tthis help message\n"
- "-r\topen device node in raw mode\n");
- return 0;
+ break;
+ } else {
+ printf("Unknown argument %s\n", args[i].toAscii().data());
+ return 0;
+ }
}
+
+ if (video_device != NULL)
+ device = getDeviceName("/dev/video", video_device);
+ else if (radio_device != NULL)
+ device = getDeviceName("/dev/radio", radio_device);
+ else if (vbi_device != NULL)
+ device = getDeviceName("/dev/vbi", vbi_device);
+ else
+ device = "/dev/video0";
+
g_mw->setDevice(device, raw);
g_mw->show();
a.connect(&a, SIGNAL(lastWindowClosed()), &a, SLOT(quit()));
--
1.8.4.rc1
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