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made sure v4l code only initializes when needed and only errors when … (#162)

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* made sure v4l code only initializes when needed and only errors when the module is enabled

* fixed v4l2 as suggested by @redPanther
This commit is contained in:
Rick van Hattem 2016-08-11 07:13:11 +02:00 committed by redPanther
parent 11441c91dc
commit 0d3f6c7ba1
1 changed files with 32 additions and 28 deletions
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60
src/hyperiond/hyperiond.cpp
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@ -536,38 +536,42 @@ void HyperionDaemon::createGrabberOsx(const QJsonObject & grabberConfig)
void HyperionDaemon::createGrabberV4L2()
{
// construct and start the v4l2 grabber if the configuration is present
#ifdef ENABLE_V4L2
if (_qconfig.contains("grabber-v4l2"))
{
const QJsonObject & grabberConfig = _qconfig["grabber-v4l2"].toObject();
_v4l2Grabber = new V4L2Wrapper(
grabberConfig["device"].toString("/dev/video0").toStdString(),
grabberConfig["input"].toInt(0),
parseVideoStandard(grabberConfig["standard"].toString("no-change").toStdString()),
parsePixelFormat(grabberConfig["pixelFormat"].toString("no-change").toStdString()),
grabberConfig["width"].toInt(-1),
grabberConfig["height"].toInt(-1),
grabberConfig["frameDecimation"].toInt(2),
grabberConfig["sizeDecimation"].toInt(8),
grabberConfig["redSignalThreshold"].toDouble(0.0),
grabberConfig["greenSignalThreshold"].toDouble(0.0),
grabberConfig["blueSignalThreshold"].toDouble(0.0),
grabberConfig["priority"].toInt(890));
_v4l2Grabber->set3D(parse3DMode(grabberConfig["mode"].toString("2D").toStdString()));
_v4l2Grabber->setCropping(
grabberConfig["cropLeft"].toInt(0),
grabberConfig["cropRight"].toInt(0),
grabberConfig["cropTop"].toInt(0),
grabberConfig["cropBottom"].toInt(0));
Debug(_log, "V4L2 grabber created");
#ifdef ENABLE_V4L2
_v4l2Grabber = new V4L2Wrapper(
grabberConfig["device"].toString("/dev/video0").toStdString(),
grabberConfig["input"].toInt(0),
parseVideoStandard(grabberConfig["standard"].toString("no-change").toStdString()),
parsePixelFormat(grabberConfig["pixelFormat"].toString("no-change").toStdString()),
grabberConfig["width"].toInt(-1),
grabberConfig["height"].toInt(-1),
grabberConfig["frameDecimation"].toInt(2),
grabberConfig["sizeDecimation"].toInt(8),
grabberConfig["redSignalThreshold"].toDouble(0.0),
grabberConfig["greenSignalThreshold"].toDouble(0.0),
grabberConfig["blueSignalThreshold"].toDouble(0.0),
grabberConfig["priority"].toInt(890));
_v4l2Grabber->set3D(parse3DMode(grabberConfig["mode"].toString("2D").toStdString()));
_v4l2Grabber->setCropping(
grabberConfig["cropLeft"].toInt(0),
grabberConfig["cropRight"].toInt(0),
grabberConfig["cropTop"].toInt(0),
grabberConfig["cropBottom"].toInt(0));
Debug(_log, "V4L2 grabber created");
QObject::connect(_v4l2Grabber, SIGNAL(emitImage(int, const Image<ColorRgb>&, const int)), _protoServer, SLOT(sendImageToProtoSlaves(int, const Image<ColorRgb>&, const int)) );
if (grabberConfig["enable"].toBool(true) && _v4l2Grabber->start())
{
Info(_log, "V4L2 grabber started");
}
}
QObject::connect(_v4l2Grabber, SIGNAL(emitImage(int,
const Image<ColorRgb>&, const int)), _protoServer,
SLOT(sendImageToProtoSlaves(int,
const Image<ColorRgb>&, const int)));
if (grabberConfig["enable"].toBool(true) && _v4l2Grabber->start()) {
Info(_log, "V4L2 grabber started");
}
#else
ErrorIf(_qconfig.contains("grabber-v4l2"), _log, "The v4l2 grabber can not be instantiated, because it has been left out from the build");
if (grabberConfig["enable"].toBool(true)) {
Error(_log, "The v4l2 grabber can not be instantiated, because it has been left out from the build");
}
#endif
}
}