OMX_ERRORTYPE ofxRPiCameraVideoGrabber::setShutterSpeed(int shutterSpeedMicroSeconds_)
{
OMX_ERRORTYPE error = OMX_GetConfig(camera, OMX_IndexConfigCommonExposureValue, &exposureConfig);
OMX_TRACE(error);
exposureConfig.nShutterSpeedMsec = shutterSpeedMicroSeconds_;
error = applyExposure(__func__);
OMX_TRACE(error);
if(error == OMX_ErrorNone)
{
shutterSpeed = getShutterSpeed();
}
ofLogVerbose(__func__) << "POST getShutterSpeed(): " << getShutterSpeed();
return error;
}
string ofxRPiCameraVideoGrabber::currentStateToString()
{
stringstream info;
info << "sharpness " << getSharpness() << endl;
info << "contrast " << getContrast() << endl;
info << "brightness " << getBrightness() << endl;
info << "saturation " << getSaturation() << endl;
info << "ISO " << getISO() << endl;
info << "AutoISO " << getAutoISO() << endl;
info << "DRE " << getDRE() << endl;
info << "cropRectangle " << getCropRectangle() << endl;
info << "zoomLevelNormalized " << getZoomLevelNormalized() << endl;
info << "mirror " << getMirror() << endl;
info << "rotation " << getRotation() << endl;
info << "imageFilter " << getImageFilter() << endl;
info << "exposurePreset " << getExposurePreset() << endl;
info << "evCompensation " << getEvCompensation() << endl;
info << "autoShutter " << getAutoShutter() << endl;
info << "shutterSpeed " << getShutterSpeed() << endl;
info << "meteringType " << getMeteringType() << endl;
info << "SoftwareSaturationEnabled " << isSoftwareSaturationEnabled() << endl;
info << "SoftwareSharpeningEnabled " << isSoftwareSharpeningEnabled() << endl;
//OMXCameraSettings
info << omxCameraSettings.toString() << endl;
return info.str();
}
string ofxRPiCameraVideoGrabber::printExposure()
{
stringstream ss;
ss << "meteringType: " << OMX_Maps::getInstance().getMetering(exposureConfig.eMetering) << "\n";
ss << "evCompensation: " << getEvCompensation() << "\n";
ss << "autoShutter: " << getAutoShutter() << "\n";
ss << "shutterSpeedMicroSeconds: " << getShutterSpeed() << "\n";
ss << "autoISO: " << getAutoISO() << "\n";
ss << "ISO: " << getISO() << "\n";
return ss.str();
}
QSharedPointer<CaptureDevice> TimeLapseCapture::parseArguments() {
QCommandLineParser parser;
ErrorMessageHelper die(err.device(), &parser);
parser.setApplicationDescription("Tool for capture sequence of images from digital camera (V4L or GPhoto2 API).");
parser.addHelpOption();
parser.addVersionOption();
QCommandLineOption outputOption(QStringList() << "o" << "output",
QCoreApplication::translate("main", "Output directory."),
QCoreApplication::translate("main", "directory"));
parser.addOption(outputOption);
QCommandLineOption verboseOption(QStringList() << "V" << "verbose",
QCoreApplication::translate("main", "Verbose output."));
parser.addOption(verboseOption);
QCommandLineOption deviceOption(QStringList() << "d" << "device",
QCoreApplication::translate("main", "Capture device."),
QCoreApplication::translate("main", "device"));
parser.addOption(deviceOption);
QCommandLineOption listOption(QStringList() << "l" << "list",
QCoreApplication::translate("main", "List available capture devices and exits."));
parser.addOption(listOption);
QCommandLineOption intervalOption(QStringList() << "i" << "interval",
QCoreApplication::translate("main", "Capture interval (in milliseconds). Default is 10000."),
QCoreApplication::translate("main", "interval"));
parser.addOption(intervalOption);
QCommandLineOption cntOption(QStringList() << "c" << "count",
QCoreApplication::translate("main", "How many images should be captured. Default value is infinite."),
QCoreApplication::translate("main", "count"));
parser.addOption(cntOption);
QCommandLineOption rowOption(QStringList() << "r" << "raw",
QCoreApplication::translate("main", "Store all captured images in raw."));
parser.addOption(rowOption);
QCommandLineOption getShutterSpeedOption(QStringList() << "s" << "shutterspeed-options",
QCoreApplication::translate("main", "Prints available shutterspeed setting choices and exits."));
parser.addOption(getShutterSpeedOption);
QCommandLineOption adaptiveShutterSpeedOption(QStringList() << "a" << "adaptive-shutterspeed",
QCoreApplication::translate("main",
"Camera shutterspeed will be adaptively changed after exposure metering.\n"
"This option setup how many images should be used for exposure metering. \n"
"Default value is 0 - it means that shutterspeed will not be changed by capture tool."
),
QCoreApplication::translate("main", "count"));
parser.addOption(adaptiveShutterSpeedOption);
QCommandLineOption shutterSpeedStepOption(QStringList() << "shutterspeed-step",
QCoreApplication::translate("main",
"How large should be step when changing shutterspeed. \n"
"Default value is 1."
),
QCoreApplication::translate("main", "step"));
parser.addOption(shutterSpeedStepOption);
QCommandLineOption minShutterSpeedOption(QStringList() << "min-shutterspeed",
QCoreApplication::translate("main", "Minimum shutterspeed (fastest shutter) used by adaptive shutterspeed"),
QCoreApplication::translate("main", "shutterspeed"));
parser.addOption(minShutterSpeedOption);
QCommandLineOption maxShutterSpeedOption(QStringList() << "max-shutterspeed",
QCoreApplication::translate("main",
"Maximum shutterspeed (slowest shutter) used by adaptive shutterspeed.\n"
"If camera supports BULB shutterspeed, it can be defined as \"BULB:XX\" here (it means bulb with XX s exposure)."
),
QCoreApplication::translate("main", "shutterspeed"));
parser.addOption(maxShutterSpeedOption);
// Process the actual command line arguments given by the user
parser.process(*this);
// verbose?
if (!parser.isSet(verboseOption)) {
blackHole = new BlackHoleDevice();
verboseOutput.setDevice(blackHole);
} else {
// verbose
verboseOutput << "Turning on verbose output..." << endl;
verboseOutput << applicationName() << " " << applicationVersion() << endl;
}
// raw?
storeRawImages = parser.isSet(rowOption);
// interval
if (parser.isSet(intervalOption)) {
bool ok = false;
long i = parser.value(intervalOption).toLong(&ok);
if (!ok) die << "Cant parse interval.";
if (i <= 0) die << "Interval have to be possitive";
interval = i;
}
// count
if (parser.isSet(cntOption)) {
bool ok = false;
int i = parser.value(cntOption).toInt(&ok);
if (!ok) die << "Cant parse count.";
cnt = i;
}
// list devices?
QList<QSharedPointer < CaptureDevice>> devices = listDevices();
QSharedPointer<CaptureDevice> dev;
if (parser.isSet(listOption)) {
if (devices.isEmpty()) {
die << QCoreApplication::translate("main", "No compatible capture device found");
} else {
out << "Found devices: " << endl;
for (QSharedPointer<CaptureDevice> d : devices) {
out << " " << d->toString() << endl;
}
}
std::exit(0);
}
// capture device
bool assigned = false;
if (!parser.isSet(deviceOption)) {
verboseOutput << "Found devices: " << endl;
for (QSharedPointer<CaptureDevice> d : devices) {
if (!assigned) {
dev = d;
assigned = true;
}
verboseOutput << " " << d->toString() << endl;
}
if (!assigned)
die << "No supported device.";
} else {
QString devVal = parser.value(deviceOption);
for (QSharedPointer<CaptureDevice> d : devices) {
if (d->toString().contains(devVal, Qt::CaseInsensitive)) {
assigned = true;
dev = d;
break;
}
}
if (!assigned) {
die << QString("No device matching \"%1\" found.").arg(devVal);
}
}
out << "Using device " << dev->toString() << endl;
// getShutterSpeedOption ?
QList<ShutterSpeedChoice> choices = dev->getShutterSpeedChoices();
if (parser.isSet(getShutterSpeedOption)) {
if (choices.isEmpty()) {
err << "Device " << dev->toShortString() << " don't support shutterspeed setting" << endl;
} else {
out << "Device " << dev->toShortString() << " shutterspeed choices:" << endl;
for (ShutterSpeedChoice ch : choices) {
out << " " << ch.toString() << endl;
}
out << "Current shutter speed: " << dev->currentShutterSpeed().toString() << endl;
}
std::exit(0);
}
// automatic chutter speed
// this functionality is experimental!
if (parser.isSet(adaptiveShutterSpeedOption)) {
bool ok = false;
int changeThreshold = parser.value(adaptiveShutterSpeedOption).toInt(&ok);
if (!ok) die << "Cant parse adaptive shutterspeed option.";
if (changeThreshold > 0) {
if (choices.isEmpty()) {
die << "Camera don't support shutterspeed setting.";
} else {
ShutterSpeedChoice currentShutterSpeed;
ShutterSpeedChoice minShutterSpeed;
ShutterSpeedChoice maxShutterSpeed;
currentShutterSpeed = dev->currentShutterSpeed();
minShutterSpeed = choices.first();
for (ShutterSpeedChoice ch : choices) {
if ((!ch.isBulb()) && ch.toMicrosecond() > maxShutterSpeed.toMicrosecond())
maxShutterSpeed = ch;
}
int shutterSpeedStep = 1;
if (parser.isSet(shutterSpeedStepOption)) {
bool ok = false;
shutterSpeedStep = parser.value(shutterSpeedStepOption).toInt(&ok);
if (!ok) die << "Cant parse shutterspeed step.";
if (shutterSpeedStep < 1) die << "Shutterspeed step can be less than one.";
}
if (parser.isSet(minShutterSpeedOption)) {
QString optStr = parser.value(minShutterSpeedOption);
minShutterSpeed = getShutterSpeed(optStr, choices, &die);
}
if (parser.isSet(maxShutterSpeedOption)) {
QString optStr = parser.value(maxShutterSpeedOption);
maxShutterSpeed = getShutterSpeed(optStr, choices, &die);
}
out << "Using automatic shutter speed:" << endl;
out << " current shutter speed: " << currentShutterSpeed.toString() << endl;
out << " min shutter speed: " << minShutterSpeed.toString() << endl;
out << " max shutter speed: " << maxShutterSpeed.toString() << endl;
out << " change threshold: " << changeThreshold << endl;
out << " change step: " << shutterSpeedStep << endl;
if (minShutterSpeed.toMicrosecond() <= 0
|| maxShutterSpeed.toMicrosecond() <= 0
|| maxShutterSpeed.toMicrosecond() < minShutterSpeed.toMicrosecond())
die << "Invalid shutter speed configurarion";
if (maxShutterSpeed.toMs() > interval) {
err << QString("Warning: Maximum shutter speed (%1 ms) is greater than capture interval (%2 ms)!")
.arg(maxShutterSpeed.toMs())
.arg(interval) << endl;
}
shutterSpdAlg = new MatrixMeteringAlg(choices, currentShutterSpeed, minShutterSpeed, maxShutterSpeed,
&err, &verboseOutput, changeThreshold, shutterSpeedStep);
}
}
}
// output
if (!parser.isSet(outputOption))
die << "Output directory is not set";
output = QDir(parser.value(outputOption));
if (output.exists())
err << "Output directory exists already." << endl;
if (!output.mkpath("."))
die << QString("Can't create output directory %1 !").arg(output.path());
return dev;
}
