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grabber api and feature unification (#462)

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* move setvideomode to common place

* implement more croping and 3d support

* more api unification

* more refactoring

* osx fix

* next step

* add a mock for osx grabber. Now it is possible to test compile on none osx platforms.

* more unifications ...

* remove obsolete includes and grabbers are not dyn allocated. dispmanx needs rework an probaly not work atm

* first version of dispmanx mock. it compiles, but outputs a black image

* now dispmanx mock works!

* activate mocks in travis linux build
prepare dispmanx to rgb image out

* dispmanx now with image rgb output
fix deadlock with w/h -1 in grabber v4l
cleanups

* fix json

* fix some runtime stuff

* Update FramebufferWrapper.cpp

fix missing code

* unify grabframe

* 3d and croping for amlogic

* fix setimage not working

* make use of templates
save some codelines

* save more code lines
This commit is contained in:
redPanther
2017-08-12 07:55:32 +02:00
committed by GitHub
parent 317a903b14
commit 9eff6384cc
61 changed files with 830 additions and 748 deletions
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21
libsrc/grabber/amlogic/AmlogicGrabber.cpp
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@@ -52,10 +52,6 @@ AmlogicGrabber::~AmlogicGrabber()
bool AmlogicGrabber::isVideoPlaying()
{
// TODO crop resulting image accroding member _videoMode
// TODO add croping
const QString videoDevice = "/dev/amvideo";
// Open the video device
@@ -81,13 +77,10 @@ bool AmlogicGrabber::isVideoPlaying()
return videoDisabled == 0;
}
int AmlogicGrabber::grabFrame(Image<ColorBgr> & image)
int AmlogicGrabber::grabFrame(Image<ColorRgb> & image)
{
// resize the given image if needed
if (image.width() != (unsigned)_width || image.height() != (unsigned)_height)
{
image.resize(_width, _height);
}
// TODO crop resulting image accroding member _videoMode
// TODO add croping
// Make sure video is playing, else there is nothing to grab
if (!isVideoPlaying())
@@ -95,7 +88,6 @@ int AmlogicGrabber::grabFrame(Image<ColorBgr> & image)
return -1;
}
// If the device is not open, attempt to open it
if (_amlogicCaptureDev == -1)
{
@@ -121,7 +113,7 @@ int AmlogicGrabber::grabFrame(Image<ColorBgr> & image)
}
// Read the snapshot into the memory
void * image_ptr = image.memptr();
void * image_ptr = _image.memptr();
const ssize_t bytesToRead = _width * _height * sizeof(ColorBgr);
const ssize_t bytesRead = pread(_amlogicCaptureDev, image_ptr, bytesToRead, 0);
@@ -150,5 +142,10 @@ int AmlogicGrabber::grabFrame(Image<ColorBgr> & image)
_amlogicCaptureDev = -1;
readCnt = 0;
}
_imageResampler.setHorizontalPixelDecimation(_width);
_imageResampler.setVerticalPixelDecimation(_height);
_imageResampler.processImage((const uint8_t*)image_ptr, _width, _height, 3, PIXELFORMAT_BGR24, image);
return 0;
}