hyperion.ng/src/hyperion-framebuffer/hyperion-framebuffer.cpp

96 lines
3.5 KiB
C++

// QT includes
#include <QCoreApplication>
#include <QImage>
#include <flatbufserver/FlatBufferConnection.h>
#include "FramebufferWrapper.h"
#include <commandline/Parser.h>
// ssdp discover
#include <ssdp/SSDPDiscover.h>
using namespace commandline;
// save the image as screenshot
void saveScreenshot(QString filename, const Image<ColorRgb> & image)
{
// store as PNG
QImage pngImage((const uint8_t *) image.memptr(), image.width(), image.height(), 3*image.width(), QImage::Format_RGB888);
pngImage.save(filename);
}
int main(int argc, char ** argv)
{
QCoreApplication app(argc, argv);
try
{
// create the option parser and initialize all parameters
Parser parser("FrameBuffer capture application for Hyperion. Will automatically search a Hyperion server if -a option isn't used. Please note that if you have more than one server running it's more or less random which one will be used.");
Option & argDevice = parser.add<Option> ('d', "device", "Set the video device [default: %1]", "/dev/video0");
IntOption & argFps = parser.add<IntOption> ('f', "framerate", "Capture frame rate [default: %1]", "10", 1, 25);
IntOption & argWidth = parser.add<IntOption> (0x0, "width", "Width of the captured image [default: %1]", "160", 160);
IntOption & argHeight = parser.add<IntOption> (0x0, "height", "Height of the captured image [default: %1]", "160", 160);
BooleanOption & argScreenshot = parser.add<BooleanOption>(0x0, "screenshot", "Take a single screenshot, save it to file and quit");
Option & argAddress = parser.add<Option> ('a', "address", "Set the address of the hyperion server [default: %1]", "127.0.0.1:19400");
IntOption & argPriority = parser.add<IntOption> ('p', "priority", "Use the provided priority channel (suggested 100-199) [default: %1]", "150");
BooleanOption & argSkipReply = parser.add<BooleanOption>(0x0, "skip-reply", "Do not receive and check reply messages from Hyperion");
BooleanOption & argHelp = parser.add<BooleanOption>('h', "help", "Show this help message and exit");
// parse all options
parser.process(app);
// check if we need to display the usage. exit if we do.
if (parser.isSet(argHelp))
{
parser.showHelp(0);
}
FramebufferWrapper fbWrapper(argDevice.value(parser), argWidth.getInt(parser), argHeight.getInt(parser), 1000 / argFps.getInt(parser));
if (parser.isSet(argScreenshot))
{
// Capture a single screenshot and finish
const Image<ColorRgb> & screenshot = fbWrapper.getScreenshot();
saveScreenshot("screenshot.png", screenshot);
}
else
{
// server searching by ssdp
QString address;
if(parser.isSet(argAddress))
{
address = argAddress.value(parser);
}
else
{
SSDPDiscover discover;
address = discover.getFirstService(STY_FLATBUFSERVER);
if(address.isEmpty())
{
address = argAddress.value(parser);
}
}
// Create the Flabuf-connection
FlatBufferConnection flatbuf("Framebuffer Standalone", address, argPriority.getInt(parser), parser.isSet(argSkipReply));
// Connect the screen capturing to flatbuf connection processing
QObject::connect(&fbWrapper, SIGNAL(sig_screenshot(const Image<ColorRgb> &)), &flatbuf, SLOT(setImage(Image<ColorRgb>)));
// Start the capturing
fbWrapper.start();
// Start the application
app.exec();
}
}
catch (const std::runtime_error & e)
{
// An error occured. Display error and quit
Error(Logger::getInstance("FRAMEBUFFER"), "%s", e.what());
return -1;
}
return 0;
}