hyperion.ng/src/hyperion-dispmanx/DispmanxWrapper.cpp

45 lines
999 B
C++

// Hyperion-Dispmanx includes
#include "DispmanxWrapper.h"
DispmanxWrapper::DispmanxWrapper(const unsigned grabWidth, const unsigned grabHeight,
const VideoMode& videoMode,
const unsigned cropLeft, const unsigned cropRight,
const unsigned cropTop, const unsigned cropBottom,
const unsigned updateRate_Hz) :
_timer(this),
_grabber(grabWidth, grabHeight)
{
_grabber.setVideoMode(videoMode);
_grabber.setCropping(cropLeft, cropRight, cropTop, cropBottom);
_timer.setSingleShot(false);
_timer.setInterval(updateRate_Hz);
// Connect capturing to the timeout signal of the timer
connect(&_timer, SIGNAL(timeout()), this, SLOT(capture()));
}
const Image<ColorRgb> & DispmanxWrapper::getScreenshot()
{
capture();
return _screenshot_rgb;
}
void DispmanxWrapper::start()
{
_timer.start();
}
void DispmanxWrapper::stop()
{
_timer.stop();
}
void DispmanxWrapper::capture()
{
_grabber.grabFrame(_screenshot);
_screenshot.toRgb(_screenshot_rgb);
emit sig_screenshot(_screenshot_rgb);
}