c++ - Sounds not playing on my code -

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i learning sfml library version 2.2, sounds won't playing. compile, , run program on ubuntu 14.04. here's program

#include "sfml/audio.hpp" #include <stdio.h> #include <iostream>  using namespace std; using namespace sf;  soundbuffer buffer; sound audio;      int main(int argc, char* argv[])    {      if(buffer.loadfromfile(argv[1]))         cout << "sounds loaded" << endl;     audio.setbuffer(buffer);     audio.setvolume(100);     audio.play();     cout << "yay!" << endl;     return 0;  }

and here's compiling code:

g++ testaudio.cpp -i <my directory>/sfml-2.2/include/ -l <my directory>/sfml-2.2/lib/ -lsfml-audio -lsfml-system -o testaudio

there's no error in compiling when run program, sounds not coming out. checked volume, nothing has change.

the sfml sound tutorials sounds , music play in separate thread. what's happening program runs, starts playing sound on separate thread, main thread keeps running , hits end of main function , exits, killing program. in short: program exiting don't hear sound playing.

try calling sf::sleep() give program time play song before exiting.


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