hyperion.ng/libsrc/hyperion/Grabber.cpp
Paulchen-Panther 2a77f6f012
even more changes
Signed-off-by: Paulchen-Panther <Paulchen--Panter@gmx.net>
2018-12-28 18:28:49 +01:00

89 lines
2.2 KiB
C++

#include <hyperion/Grabber.h>
Grabber::Grabber(QString grabberName, int width, int height, int cropLeft, int cropRight, int cropTop, int cropBottom)
: _imageResampler()
, _useImageResampler(true)
, _videoMode(VIDEO_2D)
, _width(width)
, _height(height)
, _cropLeft(0)
, _cropRight(0)
, _cropTop(0)
, _cropBottom(0)
, _enabled(true)
, _log(Logger::getInstance(grabberName))
{
setVideoMode(VIDEO_2D);
setCropping(cropLeft, cropRight, cropTop, cropBottom);
}
Grabber::~Grabber()
{
}
void Grabber::setEnabled(bool enable)
{
Info(_log,"Capture interface is now %s", enable ? "enabled" : "disabled");
_enabled = enable;
}
void Grabber::setVideoMode(VideoMode mode)
{
Debug(_log,"Set videomode to %d", mode);
_videoMode = mode;
if ( _useImageResampler )
{
_imageResampler.setVideoMode(_videoMode);
}
}
void Grabber::setCropping(unsigned cropLeft, unsigned cropRight, unsigned cropTop, unsigned cropBottom)
{
if (_width>0 && _height>0)
{
if (cropLeft + cropRight >= (unsigned)_width || cropTop + cropBottom >= (unsigned)_height)
{
Error(_log, "Rejecting invalid crop values: left: %d, right: %d, top: %d, bottom: %d, higher than height/width %d/%d", cropLeft, cropRight, cropTop, cropBottom, _height, _width);
return;
}
}
_cropLeft = cropLeft;
_cropRight = cropRight;
_cropTop = cropTop;
_cropBottom = cropBottom;
if ( _useImageResampler )
{
_imageResampler.setCropping(cropLeft, cropRight, cropTop, cropBottom);
}
else
{
_imageResampler.setCropping(0, 0, 0, 0);
}
if (cropLeft > 0 || cropRight > 0 || cropTop > 0 || cropBottom > 0)
{
Info(_log, "Cropping image: width=%d height=%d; crop: left=%d right=%d top=%d bottom=%d ", _width, _height, cropLeft, cropRight, cropTop, cropBottom);
}
}
bool Grabber::setWidthHeight(int width, int height)
{
// eval changes with crop
if ( (width>0 && height>0) && (_width != width || _height != height) )
{
if (_cropLeft + _cropRight >= width || _cropTop + _cropBottom >= height)
{
Error(_log, "Rejecting invalid width/height values as it collides with image cropping: width: %d, height: %d", width, height);
return false;
}
Debug(_log, "Set new width: %d, height: %d for capture", width, height);
_width = width;
_height = height;
return true;
}
return false;
}