Dear All,
I am using openCV and OSG together in my project. What the problem is as
follows:
1) When I try to convert the IplImage to osg::Image the following command line
trace occurs. Except the last three lines, the trace shows the openCV and osg
image properties.
Pixel Bits: 32, Image Size (Byte): 307200
Video Depth: 1
cv Channels = 3
Convert_OpenCV_to_OSG_IMAGE()::Origin Passed 2...
Mutex w/r : 0
error pixelFormat = error pixelFormat = 33
Warning: detected OpenGL error 'invalid operation' after RenderBin::draw(,)
Warning: detected OpenGL error 'invalid operation' after RenderBin::draw(,)
2) I lock the mutex in order to prevent simultaneous writes to osg::Image data
and as you can see at 5th line above it returns the correct value 0. Then use
the following code:
void Convert_OpenCV_to_OSG_IMAGE(IplImage* cvImg, osg::Image* osgImg)
{//......
osgImg->setImage(cvImg->width, cvImg->height,
1, 3,
GL_RGB,
GL_UNSIGNED_BYTE,
(unsignedchar*)(cvImg->imageData),
osg::Image::AllocationMode::NO_DELETE, 1);
//.....
}
The above code segment is similar to the one in a post I encountered in this
forum (John Steinbis jsteinbis at gmail.com
Mon Sep 17 11:04:04 PDT 2007) but there are modifications for my needs. I can
be sure that cvImg->imageData contains the actual processed video data because
I can see the results in a seperate window. But the above problem occurs when I
try to render the processed video as a texture onto a surface.
3) The above function Convert_OpenCV_to_OSG_IMAGE() is called in the main loop
as follows:
while
{
//.....getPixelBufferObject()->setImage(Convert_OpenCV_to_OSG_IMAGE(pImage,
((osg::Image*)(video.get()))));
//.....
}(!viewer.done())
What might be the problem? When I disable the code segment
osgImg->setImage(cvImg->width, cvImg->height,
1, 3,
GL_RGB,
GL_UNSIGNED_BYTE,
(unsignedchar*)(cvImg->imageData),
osg::Image::AllocationMode::NO_DELETE, 1);
everything is OK but as you can guess I cannot use the processed frame as a
texture in 3D environment.
Thanks for your helps...
Best Regards
Ugras Erdogan
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