118 lines
5.1 KiB
C++
118 lines
5.1 KiB
C++
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// QT includes
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#include <QCoreApplication>
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#include <QImage>
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#include <commandline/Parser.h>
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#include <flatbufserver/FlatBufferConnection.h>
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#include "X11Wrapper.h"
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#include "HyperionConfig.h"
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// ssdp discover
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#include <ssdp/SSDPDiscover.h>
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using namespace commandline;
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// save the image as screenshot
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void saveScreenshot(QString filename, const Image<ColorRgb> & image)
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{
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// store as PNG
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QImage pngImage((const uint8_t *) image.memptr(), image.width(), image.height(), 3*image.width(), QImage::Format_RGB888);
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pngImage.save(filename);
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}
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int main(int argc, char ** argv)
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{
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std::cout
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<< "hyperion-x11:" << std::endl
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<< "\tVersion : " << HYPERION_VERSION << " (" << HYPERION_BUILD_ID << ")" << std::endl
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<< "\tbuild time: " << __DATE__ << " " << __TIME__ << std::endl;
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QCoreApplication app(argc, argv);
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try
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{
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// create the option parser and initialize all parameters
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Parser parser("X11 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.");
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IntOption & argFps = parser.add<IntOption> ('f', "framerate", "Capture frame rate [default: %1]", "10");
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IntOption & argCropWidth = parser.add<IntOption> (0x0, "crop-width", "Number of pixels to crop from the left and right sides of the picture before decimation [default: %1]", "0");
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IntOption & argCropHeight = parser.add<IntOption> (0x0, "crop-height", "Number of pixels to crop from the top and the bottom of the picture before decimation [default: %1]", "0");
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IntOption & argCropLeft = parser.add<IntOption> (0x0, "crop-left", "Number of pixels to crop from the left of the picture before decimation (overrides --crop-width)");
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IntOption & argCropRight = parser.add<IntOption> (0x0, "crop-right", "Number of pixels to crop from the right of the picture before decimation (overrides --crop-width)");
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IntOption & argCropTop = parser.add<IntOption> (0x0, "crop-top", "Number of pixels to crop from the top of the picture before decimation (overrides --crop-height)");
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IntOption & argCropBottom = parser.add<IntOption> (0x0, "crop-bottom", "Number of pixels to crop from the bottom of the picture before decimation (overrides --crop-height)");
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IntOption & argSizeDecimation = parser.add<IntOption> ('s', "size-decimator", "Decimation factor for the output size [default=%1]", "8", 1);
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BooleanOption & argScreenshot = parser.add<BooleanOption>(0x0, "screenshot", "Take a single screenshot, save it to file and quit");
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Option & argAddress = parser.add<Option> ('a', "address", "Set the address of the hyperion server [default: %1]", "127.0.0.1:19400");
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IntOption & argPriority = parser.add<IntOption> ('p', "priority", "Use the provided priority channel (suggested 100-199) [default: %1]", "150");
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BooleanOption & argSkipReply = parser.add<BooleanOption>(0x0, "skip-reply", "Do not receive and check reply messages from Hyperion");
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BooleanOption & argHelp = parser.add<BooleanOption>('h', "help", "Show this help message and exit");
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// parse all options
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parser.process(app);
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// check if we need to display the usage. exit if we do.
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if (parser.isSet(argHelp))
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{
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parser.showHelp(0);
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}
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// Create the X11 grabbing stuff
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X11Wrapper x11Wrapper(
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1000 / argFps.getInt(parser),
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parser.isSet(argCropLeft) ? argCropLeft.getInt(parser) : argCropWidth.getInt(parser),
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parser.isSet(argCropRight) ? argCropRight.getInt(parser) : argCropWidth.getInt(parser),
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parser.isSet(argCropTop) ? argCropTop.getInt(parser) : argCropHeight.getInt(parser),
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parser.isSet(argCropBottom) ? argCropBottom.getInt(parser) : argCropHeight.getInt(parser),
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argSizeDecimation.getInt(parser)); // decimation
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if (!x11Wrapper.displayInit())
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return -1;
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if (parser.isSet(argScreenshot))
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{
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// Capture a single screenshot and finish
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const Image<ColorRgb> & screenshot = x11Wrapper.getScreenshot();
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saveScreenshot("screenshot.png", screenshot);
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}
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else
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{
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// server searching by ssdp
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QString address;
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if(parser.isSet(argAddress))
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{
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address = argAddress.value(parser);
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}
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else
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{
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SSDPDiscover discover;
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address = discover.getFirstService(STY_FLATBUFSERVER);
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if(address.isEmpty())
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{
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address = argAddress.value(parser);
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}
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}
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// Create the Flatbuf-connection
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FlatBufferConnection flatbuf("X11 Standalone", address, argPriority.getInt(parser), parser.isSet(argSkipReply));
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// Connect the screen capturing to flatbuf connection processing
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QObject::connect(&x11Wrapper, SIGNAL(sig_screenshot(const Image<ColorRgb> &)), &flatbuf, SLOT(setImage(Image<ColorRgb>)));
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// Start the capturing
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x11Wrapper.start();
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// Start the application
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app.exec();
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}
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}
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catch (const std::runtime_error & e)
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{
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// An error occured. Display error and quit
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Error(Logger::getInstance("X11GRABBER"), "%s", e.what());
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return -1;
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}
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return 0;
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}
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