AudioPlayer

AudioPlayer.cpp

#include "StdAfx.h"
#include "AudioPlayer.h"
#include "Log.h"

AudioPlayer::AudioPlayer(void)
{
	music = NULL;
}


AudioPlayer::~AudioPlayer(void)
{
	if(music != NULL) {
		Mix_FreeMusic(music);
	}
	std::map<std::string, Mix_Chunk*>::iterator it = effects.begin();
	for(it; it != effects.end(); it++) {
		if(it->second != NULL)
			Mix_FreeChunk(it->second);
	}
}

void AudioPlayer::load(const std::string& path) {
	if(music != NULL) {
		Mix_FreeMusic(music);
	}
	music = Mix_LoadMUS( path.c_str());
	if(music == NULL)
		Log::getInstancia()->error("Audio",  "Error cargando archivo de musica");    

}

bool AudioPlayer::isPlaying() {
		return (Mix_PlayingMusic() != 0);
	}

void AudioPlayer::play() {	
	if( music != NULL )
	{		
		//If there is no music playing
		if( !isPlaying() )
		{
			Mix_PlayMusic( music, -1 );
		}
	}
}

bool AudioPlayer::isPaused() {
	return Mix_PausedMusic() == 1;
}

void AudioPlayer::playEffect(const std::string& path) {
	if(effects.find(path) == effects.end() ) { // no lo tengo
		effects[path] =  Mix_LoadWAV(path.c_str());
	}
	if(effects[path] != NULL) {
		// se pudo cargar el audio
		Mix_PlayChannel(-1,effects[path],0); 
	}
}

void AudioPlayer::pause() {
	Mix_PauseMusic(); //Pause the music
}

void AudioPlayer::resume() {
	//Mix_PlayMusic( music, -1 );
	Mix_ResumeMusic(); //Resume the music
}

void AudioPlayer::setVolumen(int volumen) {
	Mix_VolumeMusic(volumen);
}

AudioPlayer.h

#pragma once

#include <SDL\SDL_mixer.h>
#include <string>
#include <map>

class AudioPlayer
{
private:
	Mix_Music *music;
	std::map<std::string, Mix_Chunk *> effects;
public:
	AudioPlayer(void);
	~AudioPlayer(void);

	void load(const std::string& path);
	bool isPlaying();
	bool isPaused();
	void play();
	void pause();
	void resume();
	void playEffect(const std::string& path);

	/**
	Volumen minimo: 0
	Volumen maximo: 128
	**/
	void setVolumen(int volumen);
};

main.cpp

int _tmain(int argc, _TCHAR* argv[])
{	
  //..
	this->audioPlayer->load("./sonidos/background_converted.wav");
	this->audioPlayer->play();
	this->audioPlayer->setVolumen(100);
	//..
}