C++ sound::stop方法代码示例

int main() {
  // initialize audio system
  YSE::System().init();

  // load a sound in memory
  sound.create("drone.ogg", NULL, true);

  // false on validation means the sound could not be loaded
  if (!sound.isValid()) {
    std::cout << "sound 'drone.ogg' not found" << std::endl;
    std::cin.get();
    goto exit;
  }

  std::cout << "This is a bare-bones YSE example. It contains the minimum you need to start your own projects." << std::endl;
  std::cout << "Press spacebar to toggle sound playing." << std::endl;
  std::cout << "Or e to exit." << std::endl;

  while (true) {
    if (_kbhit()) {
      char ch = _getch();
      switch (ch) {
        // toggle function toggles play / pause
      case ' ': sound.toggle(); break;
      case 'a': sound.play(); break;
      case 's': sound.pause(); break;
      case 'd': sound.stop(); break;
      case 'e': goto exit;
      }
    }

    /* the sleep function can be used to make sure the update function doesn't run at full
    speed. In a simple demo it does not make sense to update that much. In real software
    this should probably not be used. Just call YSE::System.update() in your main program loop.
    */
    YSE::System().sleep(100);
    
    /* The update function activates all changes you made to sounds and channels since the last call.
    This function locks the audio processing thread for a short time. Calling it more than 50 times
    a second is really overkill, so call it once in your main program loop, not after changing every setting.
    */
    YSE::System().update();
  }

exit:
  // don't forget this...
  YSE::System().close();
  return 0;
}

int main() {
  YSE::System().init();

  if (!buffer.load("countdown.ogg")) {
    std::cout << "sound 'countdown.ogg' not found" << std::endl;
    std::cin.get();
    goto exit;
  }

  // pass buffer to sound, so that it can be played
  sound.create(buffer);
  hpf.setFrequency(1000);

  std::cout << "Sound is loaded. Please choose: " << std::endl;
  std::cout << "1 to play" << std::endl;
  std::cout << "2 to stop" << std::endl;
  std::cout << "3 multiply wave by 0.5" << std::endl;
  std::cout << "4 multiply wave by 2.0" << std::endl;
  std::cout << "5 pass wave through high pass filter at 1000Hz" << std::endl;
  std::cout << "...or e to exit." << std::endl;

  while (true) {
    if (_kbhit()) {
      char ch = _getch();
      switch (ch) {
      case '1': sound.play();  break;
      case '2': sound.stop();  break;
      case '3': buffer *= 0.5; break;
      case '4': buffer *= 2.0; break;
      case '5': buffer = hpf(buffer); break;
      case 'e': goto exit;
      }
    }

    YSE::System().sleep(100);
    YSE::System().update();
  }

exit:
  YSE::System().close();
  return 0;
}

int main() {
  YSE::System().init();

  // setting the last parameter to true will enable streaming
  sound.create("pulse1.ogg", NULL, true, 1.0f, true);
  if (!sound.isValid()) {
    std::cout << "sound 'pulse1.ogg' not found" << std::endl;
    std::cin.get();
    goto exit;
  }

  std::cout << "Use q/a to change the sound speed up and down." << std::endl;
  std::cout << "Use s/d/f to pause/stop/play." << std::endl;
  std::cout << "...or e to exit." << std::endl;

  sound.play();

  while (true) {
    if (_kbhit()) {
      char ch = _getch();
      switch (ch) {
      case 'q': sound.setSpeed(sound.getSpeed() + 0.01); break;
      case 'a': sound.setSpeed(sound.getSpeed() - 0.01); break;
      case 's': sound.pause(); break;
      case 'd': sound.stop(); break;
      case 'f': sound.play(); break;
      case 'e': goto exit;
      }
    }

    YSE::System().sleep(100);
    YSE::System().update();
  }

exit:
  YSE::System().close();
  return 0;
}