This interface allows gnuplot to be controlled from C++ and is designed to be the lowest hanging fruit. In other words, if you know how gnuplot works it should only take 30 seconds to learn this library. Basically it is just an iostream pipe to gnuplot with some extra functions for pushing data arrays and getting mouse clicks. Data sources include STL containers (eg. vector), Blitz++, and armadillo. You can use nested data types like std::vector<std::vector<std::pair<double, double>>> (as well as even more exotic types). Support for custom data types is possible.

This is a low level interface, and usage involves manually sending commands to gnuplot using the "<<" operator (so you need to know gnuplot syntax). This is in my opinion the easiest way to do it if you are already comfortable with using gnuplot. If you would like a more high level interface check out the gnuplot-cpp library (http://code.google.com/p/gnuplot-cpp).

Download

Documentation

Documentation is available [here] but also you can look at the example programs (starting with "example-misc.cc").

Example 1

Shoutcast Flash Player Fixed Extra Quality Jun 2026

Modern browsers require encrypted connections ( https:// ) to play audio. Old Flash players often rely on insecure http:// links, causing them to fail, as highlighted in modern streaming practices.

Your embedded <object> or <embed> code that used contenttype=application/x-shockwave-flash became inert. You see a puzzle piece icon, a "Get Adobe Flash Player" link (which leads to a 404 page), or just a blank space.

Delete these blocks entirely. They are dead code and hurt your website’s SEO performance. Step 3: Deploy an HTML5 Radio Player Widget

However, the resolution of the Flash player bug serves as a vital stopgap for legacy systems and a fascinating case study in protocol interoperability. The silence has finally been broken, and the stream plays on.

Modern web browsers enforce strict security rules. If your website uses an SSL certificate ( https:// ), the browser will automatically block any insecure audio streams ( http:// ). The Solution You must secure your Shoutcast stream link. shoutcast flash player fixed

If your website still uses old Flash code, you need to replace it with an HTML5 player. You can achieve this using native code or third-party widgets. Method 1: The Native HTML5 Code (Free & Easy)

Your browser does not support the audio element. Use code with caution.

Recently, however, developers and station owners have reported that these long-standing issues have been effectively resolved. But what caused the problem in the first place, and how has it finally been fixed?

If your Shoutcast host does not support native SSL, you can set up a reverse proxy using Nginx or an Icecast mountpoint on a secure server. This takes your http:// stream and re-streams it through a secure https:// gateway. Turnkey Solutions and Third-Party Players Modern browsers require encrypted connections ( https:// )

Between 2017 and 2021, major browsers (Chrome, Firefox, Edge, Safari) took a coordinated stand against Flash due to massive security vulnerabilities—zero-day exploits, ransomware delivery, and crashing bugs. When Adobe pulled the plug, browsers automatically blocked all Flash content.

Previously, our Shoutcast Flash player was experiencing [briefly mention the issues, e.g., "playback errors" or "streaming problems"]. We understand how frustrating this must have been for our listeners, and we apologize for any inconvenience caused.

Modern websites almost exclusively use secure HTTPS protocols. If an HTML5 player on an https:// website tries to load a Shoutcast stream from an insecure http:// server URL, the browser blocks the stream for security reasons. Flash used to bypass this restriction, but HTML5 does not. How it was fixed:

If you are a serious broadcaster, consider moving away from traditional SHOUTcast source clients to modern encoding software like or RadioCo.de , which output directly to WebRTC or Icecast 2.4 (which has native HTML5 support). You see a puzzle piece icon, a "Get

The phrase "Shoutcast Flash Player Fixed" typically refers to the critical transition period where web administrators were forced to abandon the broken Flash infrastructure in favor of modern web standards. This paper details why the Flash player ceased to function and outlines the technical requirements for implementing a robust, modern replacement.

To get your stream broadcasting flawlessly on your website, you have a few straightforward methods depending on your technical comfort level. Method 1: Use a Free Player Generator (Easiest)

There is one more common issue with modern players. It is called "mixed content."

Your browser does not support the audio element. Use code with caution. 2. Advanced Open-Source Web Players

Flash had significant security vulnerabilities that are now mitigated by modern web standards.

Example 2

// Demo of sending data via temporary files.  The default is to send data to gnuplot directly
// through stdin.
//
// Compile it with:
//   g++ -o example-tmpfile example-tmpfile.cc -lboost_iostreams -lboost_system -lboost_filesystem

#include <map>
#include <vector>
#include <cmath>

#include "gnuplot-iostream.h"

int main() {
	Gnuplot gp;

	std::vector<std::pair<double, double> > xy_pts_A;
	for(double x=-2; x<2; x+=0.01) {
		double y = x*x*x;
		xy_pts_A.push_back(std::make_pair(x, y));
	}

	std::vector<std::pair<double, double> > xy_pts_B;
	for(double alpha=0; alpha<1; alpha+=1.0/24.0) {
		double theta = alpha*2.0*3.14159;
		xy_pts_B.push_back(std::make_pair(cos(theta), sin(theta)));
	}

	gp << "set xrange [-2:2]\nset yrange [-2:2]\n";
	// Data will be sent via a temporary file.  These are erased when you call
	// gp.clearTmpfiles() or when gp goes out of scope.  If you pass a filename
	// (e.g. "gp.file1d(pts, 'mydata.dat')"), then the named file will be created
	// and won't be deleted (this is useful when creating a script).
	gp << "plot" << gp.file1d(xy_pts_A) << "with lines title 'cubic',"
		<< gp.file1d(xy_pts_B) << "with points title 'circle'" << std::endl;

#ifdef _WIN32
	// For Windows, prompt for a keystroke before the Gnuplot object goes out of scope so that
	// the gnuplot window doesn't get closed.
	std::cout << "Press enter to exit." << std::endl;
	std::cin.get();
#endif
}