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Hi, I am using the RealSense D435i on Ubuntu 18.04.2.
I tried to rebuild the rs-capture example in order to extend it.
I copied below the code. It prints indx:0 and then crashes.
If I run the commented part it works fine.
I installed the librealsense packages: the same rs-capture binary works, so it is not due to the firmware or the device.
Do I have to add any symbol at compile time (-D)?
I tried to rebuild the library and I found that the compile options are different.
Any idea?
Thanks in advance.
Diego
#include <iostream>
#include <librealsense2/rs.hpp> // Include RealSense Cross Platform API
int main(int argc, char * argv[]) try
{
rs2::log_to_console(RS2_LOG_SEVERITY_ERROR);
rs2::colorizer color_map;
rs2::pipeline pipe;
pipe.start();
for (int indx=0; indx<10; ++indx)
{
std::cout <<"indx:" <<indx <<' ' <<std::endl;
rs2::frameset data = pipe.wait_for_frames(). // Wait for next set of frames from the camera
apply_filter(color_map); // Find and colorize the depth data
std::cout <<"Size:" <<data.size() <<std::endl;
/*
std::cout <<"indx:" <<indx <<' ';
rs2::frameset data = pipe.wait_for_frames(); // Print each enabled stream frame rate
std::cout <<"Size:" <<data.size() <<std::endl;
*/
}
pipe.stop();
return 0;
}
catch (const rs2::error & e)
{
std::cerr << "RealSense error calling " << e.get_failed_function() << "(" << e.get_failed_args() << "):\n " << e.what() << std::endl;
return EXIT_FAILURE;
}
catch (const std::exception& e)
{
std::cerr << e.what() << std::endl;
return EXIT_FAILURE;
}
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The default set of instructions for building Librealsense are these ones:
https://github.com/IntelRealSense/librealsense/blob/development/doc/distribution_linux.md
There are a different set of instructions that only need to be used if you need to build the project from sources and prepare / patch the OS manually.
https://github.com/IntelRealSense/librealsense/blob/master/doc/installation.md
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Hi MartyG,
thank you for your prompt response.
I rebuilt the library following the instructions.
The result is the same both using the downloaded packages and rebuilding the library.
The only way I made it working is by using the CMakeList.txt files from the librealsense source tree and making sure that my source files are built using the same compile flags.
I am going to wrap the functionalities that I need in a library that I will integrate in my project.
Best regards,
Diego
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Thanks for the update on your progress!
Intel have released documentation for another method for setting up Librealsense on installations that have problems. You may find it useful.
https://forums.intel.com/s/question/0D50P00004EmJPySAN/setting-up-librealsense-on-linux-versions-with-installation-problems-by-using-libuvcbackend
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