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- refactored framebuffer grabber to use ImageResampler

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- added OsxGrabber for OSX
- added binary for imx6 (cubox-i) and updated install script


Former-commit-id: 2c55e292c842c67e54ce36bd91e4f6303b98687a
This commit is contained in:
Gamadril
2015-01-24 23:42:22 +01:00
parent 3488f23603
commit 3fd20ec5fa
20 changed files with 514 additions and 89 deletions
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82
libsrc/grabber/osx/OsxFrameGrabber.cpp Executable file
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// STL includes
#include <cassert>
#include <iostream>
// Local includes
#include "OsxFrameGrabber.h"
OsxFrameGrabber::OsxFrameGrabber(const unsigned display, const unsigned width, const unsigned height) :
_screenIndex(display),
_width(width),
_height(height),
_imgResampler(new ImageResampler())
{
CGImageRef image;
CGDisplayCount displayCount;
CGDirectDisplayID displays[8];
// get list of displays
CGGetActiveDisplayList(8, displays, &displayCount);
if (_screenIndex + 1 > displayCount)
{
std::cerr << "OSX display with index " << _screenIndex << " is not available. Using main display" << std::endl;
_display = kCGDirectMainDisplay;
} else {
_display = displays[_screenIndex];
}
image = CGDisplayCreateImage(_display);
assert(image != NULL);
std::cout << "OSX display opened with resolution: " << CGImageGetWidth(image) << "x" << CGImageGetHeight(image) << "@" << CGImageGetBitsPerPixel(image) << "bit" << std::endl;
CGImageRelease(image);
}
OsxFrameGrabber::~OsxFrameGrabber()
{
delete _imgResampler;
}
void OsxFrameGrabber::setVideoMode(const VideoMode videoMode)
{
_imgResampler->set3D(videoMode);
}
void OsxFrameGrabber::grabFrame(Image<ColorRgb> & image)
{
CGImageRef dispImage;
CFDataRef imgData;
unsigned char * pImgData;
unsigned dspWidth, dspHeight;
dispImage = CGDisplayCreateImage(_display);
// dsiplay lost, use main
if (dispImage == NULL && _display)
{
dispImage = CGDisplayCreateImage(kCGDirectMainDisplay);
// no displays connected, return
if (dispImage == NULL)
{
std::cerr << "OSX no display connected..." << std::endl;
return;
}
}
imgData = CGDataProviderCopyData(CGImageGetDataProvider(dispImage));
pImgData = (unsigned char*) CFDataGetBytePtr(imgData);
dspWidth = CGImageGetWidth(dispImage);
dspHeight = CGImageGetHeight(dispImage);
_imgResampler->setHorizontalPixelDecimation(dspWidth/_width);
_imgResampler->setVerticalPixelDecimation(dspHeight/_height);
_imgResampler->processImage( pImgData,
dspWidth,
dspHeight,
CGImageGetBytesPerRow(dispImage),
PIXELFORMAT_BGR32,
image);
CFRelease(imgData);
CGImageRelease(dispImage);
}