/usr/include/image_transport/transport_hints.h is in libimage-transport-dev 1.11.10-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#ifndef IMAGE_TRANSPORT_TRANSPORT_HINTS_H
#define IMAGE_TRANSPORT_TRANSPORT_HINTS_H
#include <ros/ros.h>
namespace image_transport {
/**
* \brief Stores transport settings for an image topic subscription.
*/
class TransportHints
{
public:
/**
* \brief Constructor.
*
* The default transport can be overridden by setting a certain parameter to the
* name of the desired transport. By default this parameter is named "image_transport"
* in the node's local namespace. For consistency across ROS applications, the
* name of this parameter should not be changed without good reason.
*
* @param default_transport Preferred transport to use
* @param ros_hints Hints to pass through to ROS subscriptions
* @param parameter_nh Node handle to use when looking up the transport parameter.
* Defaults to the local namespace.
* @param parameter_name The name of the transport parameter
*/
TransportHints(const std::string& default_transport = "raw",
const ros::TransportHints& ros_hints = ros::TransportHints(),
const ros::NodeHandle& parameter_nh = ros::NodeHandle("~"),
const std::string& parameter_name = "image_transport")
: ros_hints_(ros_hints), parameter_nh_(parameter_nh)
{
parameter_nh_.param(parameter_name, transport_, default_transport);
}
const std::string& getTransport() const
{
return transport_;
}
const ros::TransportHints& getRosHints() const
{
return ros_hints_;
}
const ros::NodeHandle& getParameterNH() const
{
return parameter_nh_;
}
private:
std::string transport_;
ros::TransportHints ros_hints_;
ros::NodeHandle parameter_nh_;
};
} //namespace image_transport
#endif
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