Example #1
0
int main(int argc, char *argv[])
{
	int numSounds = 1;
    FMOD::System        *system;
    FMOD::Sound         *sound[numSounds];
	FMOD::Sound         *applause;
    FMOD::Channel       *channel[numSounds];
	FMOD::Channel       *applauseChannel;
    FMOD::DSP           *dsppitch;
	FMOD::DSP        *dsplowpass    = 0;
    FMOD::DSP        *dsphighpass   = 0;
    FMOD::DSP        *dspecho       = 0;
    FMOD::DSP        *dspflange     = 0;
    FMOD::DSP        *dspdistortion = 0;
    FMOD::DSP        *dspchorus     = 0;
    FMOD::DSP        *dspparameq    = 0;
    FMOD_RESULT          result;
    int                  key;
    unsigned int         version;
    float                pan = 0;
	float                volume;
	float                frequency;
	int					tempFrequency = 0;
	int					tempPitch = 0;
	int					frequencyCount = 0;
	int					pitchCount = 0;
	int					tempoChange = 0;
	float                speed;
	float				pitch = 1;
	float				originalFrequency;
	string				line;
	int					lineCount = 0;
	int inc = 0;
	int count;
	
	float frequencyArray[numSounds];
	float frequencyCountArray[numSounds];
	float pitchfArray[numSounds];
	float volumeArray[numSounds];
	float panArray[numSounds];
	
	float pitchf = 1.0f;
	
    /*
	 Create a System object and initialize.
	 */
    result = FMOD::System_Create(&system);
    ERRCHECK(result);
	
    result = system->getVersion(&version);
    ERRCHECK(result);
	
    if (version < FMOD_VERSION)
    {
        printf("Error!  You are using an old version of FMOD %08x.  This program requires %08x\n", version, FMOD_VERSION);
        return 0;
    }
	
    result = system->init(32, FMOD_INIT_NORMAL, 0);
    ERRCHECK(result);
	
	result = system->createSound("../Config/Seven Nation Army Drum.mp3", FMOD_SOFTWARE | FMOD_LOOP_NORMAL | FMOD_2D, 0, &sound[0]);
    ERRCHECK(result);
		
    printf("===============================================================================\n");
    printf("									Maestro									   \n");
    printf("===============================================================================\n");
	printf("Press '1' to play left speaker only\n");
    printf("Press '2' to play right speaker only\n");
	printf("Press '3' to play from both speakers\n");
    printf("Press '[' to pan sound left\n");
    printf("Press ']' to pan sound right\n");
	printf("Press 'v/V' to increase volume\n");
	printf("Press 'd/D' to decrease volume\n");
	printf("Press '6' pitch octave down\n");
	printf("Press '7' pitch semitone down\n");
	printf("Press '8' pitch semitone up\n");
	printf("Press '9' pitch octave up\n");
    printf("Press 'Esc' to quit\n");
	printf("Press 'n' pitch scale down\n");
    printf("Press 'm' pitch scale up\n");
    printf("\n");
	
	for (count = 0; count < numSounds; count++)
    {
		result = system->playSound(FMOD_CHANNEL_FREE, sound[count], false, &channel[count]);
		ERRCHECK(result);
		
		bool paused;
		
		channel[0]->getPaused(&paused);
		ERRCHECK(result);
		
		paused = !paused;
		
		result = channel[0]->setPaused(paused);
		ERRCHECK(result);
	}

	
	//Create the DSP effects.
	result = system->createDSPByType(FMOD_DSP_TYPE_PITCHSHIFT, &dsppitch);
    ERRCHECK(result);
	result = system->createDSPByType(FMOD_DSP_TYPE_LOWPASS, &dsplowpass);
    ERRCHECK(result);
    result = system->createDSPByType(FMOD_DSP_TYPE_HIGHPASS, &dsphighpass);
    ERRCHECK(result);
    result = system->createDSPByType(FMOD_DSP_TYPE_ECHO, &dspecho);
    ERRCHECK(result);
    result = system->createDSPByType(FMOD_DSP_TYPE_FLANGE, &dspflange);
    ERRCHECK(result);
    result = system->createDSPByType(FMOD_DSP_TYPE_DISTORTION, &dspdistortion);
    ERRCHECK(result);
    result = system->createDSPByType(FMOD_DSP_TYPE_CHORUS, &dspchorus);
    ERRCHECK(result);
    result = system->createDSPByType(FMOD_DSP_TYPE_PARAMEQ, &dspparameq);
    ERRCHECK(result);
	
	for (count = 0; count < numSounds; count++)
    {
		channel[count]->getVolume(&volume);
		channel[count]->setVolume(.3);
		channel[count]->getVolume(&volume);
		
	}
	printf("Initial Volume: %f \n", volume);
	
	channel[0]->getFrequency(&frequency);
	channel[0]->getFrequency(&originalFrequency);
	printf("Initial Frequency: %f \n", frequency);
	
	
    /*
	 Main loop.
	 */
    do
    {
		ifstream myfile;
		myfile.open("../../Config/groupb.txt");
		while ( myfile.good() )
		{
			//printf("Line Count: %d \n", lineCount);
			for(int i = 0; i < lineCount; i++){
				getline (myfile,line);
			}
			getline (myfile,line);
			if (line.compare("start") == 0){
				bool paused;
				
				channel[0]->getPaused(&paused);
				ERRCHECK(result);
				
				paused = !paused;
				
				result = channel[0]->setPaused(paused);
				ERRCHECK(result);
				lineCount++;
				//printf("Line Count: %d \n", lineCount);
				break;
			}
			if (line.compare("iVol") == 0){
				channel[0]->getVolume(&volume);
				channel[0]->setVolume(1.0f);
				lineCount++;
				//printf("Line Count: %d \n", lineCount);
				break;
			}
			if (line.compare("dVol") == 0){
				channel[0]->getVolume(&volume);
				channel[0]->setVolume(.1);
				lineCount++;
				//printf("Line Count: %d \n", lineCount);
				break;
			}
			if (line.compare("iPitch") == 0){
				
				result = dsppitch->remove();
				ERRCHECK(result);
				
				result = system->addDSP(dsppitch, 0);
				ERRCHECK(result);
				
				inc++;
				pitch = pow(1.059f,inc);
				
				result = dsppitch->setParameter(FMOD_DSP_PITCHSHIFT_PITCH, pitch);
				ERRCHECK(result);
				
				lineCount++;
				//printf("Line Count: %d \n", lineCount);
				break;
			}
			if (line.compare("dPitch") == 0){
				result = dsppitch->remove();
				ERRCHECK(result);
				
				result = system->addDSP(dsppitch, 0);
				ERRCHECK(result);
				
				inc--;
				pitch = pow(1.059,inc);
				
				result = dsppitch->setParameter(FMOD_DSP_PITCHSHIFT_PITCH, pitch);
				ERRCHECK(result);
				
				
				lineCount++;
				//printf("Line Count: %d \n", lineCount);
				break;
			}
			if (line.compare("left") == 0){
				result = channel[0]->setSpeakerMix(1.0f, 0, 0, 0, 0, 0, 0, 0);
				ERRCHECK(result);
				lineCount++;
				//printf("Line Count: %d \n", lineCount);
				break;
			}
			if (line.compare("right") == 0){
				result = channel[0]->setSpeakerMix(0, 1.0f, 0, 0, 0, 0, 0, 0);
				ERRCHECK(result);
				lineCount++;
				//printf("Line Count: %d \n", lineCount);
				break;
			}
			if (line.compare("forward") == 0){
				result = channel[0]->setSpeakerMix(1.0f, 1.0f, 0, 0, 0, 0, 0, 0);
				ERRCHECK(result);
				lineCount++;
				//printf("Line Count: %d \n", lineCount);
				break;
			}
			if (line.compare("pitch") == 0){
				bool active;
				
				result = dsppitch->getActive(&active);
				ERRCHECK(result);
				
				if (active)
				{
					result = dsppitch->remove();
					ERRCHECK(result);
				}
				else
				{
					result = system->addDSP(dsppitch, 0);
					ERRCHECK(result);
					
					result = dsppitch->setParameter(FMOD_DSP_PITCHSHIFT_PITCH, 1.2f);
					ERRCHECK(result);
					
				}
				
				lineCount++;
				break;
				
			}
			if (line.compare("pause") == 0){
				bool paused;
				
				channel[0]->getPaused(&paused);
				ERRCHECK(result);
				
				paused = !paused;
				
				result = channel[0]->setPaused(paused);
				ERRCHECK(result);
				lineCount++;
				break;
				
			}
			
			if (line.compare("lowpass") == 0){
				bool active;
				
				result = dsplowpass->getActive(&active);
				ERRCHECK(result);
				
				if (active)
				{
					result = dsplowpass->remove();
					ERRCHECK(result);
				}
				else
				{
					result = system->addDSP(dsplowpass, 0);
					ERRCHECK(result);
				}
				lineCount++;
				break;
				
			}
			
			if (line.compare("highpass") == 0){
				bool active;
				
				result = dsphighpass->getActive(&active);
				ERRCHECK(result);
				
				if (active)
				{
					result = dsphighpass->remove();
					ERRCHECK(result);
				}
				else
				{
					result = system->addDSP(dsphighpass, 0);
					ERRCHECK(result);
				}
				lineCount++;
				break;
				
			}
			
			if (line.compare("echo") == 0){
				bool active;
				
				result = dspecho->getActive(&active);
				ERRCHECK(result);
				
				if (active)
				{
					result = dspecho->remove();
					ERRCHECK(result);
				}
				else
				{
					result = system->addDSP(dspecho, 0);
					ERRCHECK(result);
					
					result = dspecho->setParameter(FMOD_DSP_ECHO_DELAY, 50.0f);
					ERRCHECK(result);
				}
				lineCount++;
				break;
				
			}
			
			if (line.compare("flange") == 0){
				bool active;
				
				result = dspflange->getActive(&active);
				ERRCHECK(result);
				
				if (active)
				{
					result = dspflange->remove();
					ERRCHECK(result);
				}
				else
				{
					result = system->addDSP(dspflange, 0);
					ERRCHECK(result);
				}
				lineCount++;
				break;
				
			}
			
			if (line.compare("distortion") == 0){
				bool active;
				
				result = dspdistortion->getActive(&active);
				ERRCHECK(result);
				
				if (active)
				{
					result = dspdistortion->remove();
					ERRCHECK(result);
				}
				else
				{
					result = system->addDSP(dspdistortion, 0);
					ERRCHECK(result);
					
					result = dspdistortion->setParameter(FMOD_DSP_DISTORTION_LEVEL, 0.8f);
					ERRCHECK(result);
				}
				lineCount++;
				break;
				
			}
			
			if (line.compare("chorus") == 0){
				bool active;
				
				result = dspchorus->getActive(&active);
				ERRCHECK(result);
				
				if (active)
				{
					result = dspchorus->remove();
					ERRCHECK(result);
				}
				else
				{
					result = system->addDSP(dspchorus, 0);
					ERRCHECK(result);
				}
				lineCount++;
				break;
				
			}
			
			if (line.compare("parameq") == 0){
				bool active;
				
				result = dspparameq->getActive(&active);
				ERRCHECK(result);
				
				if (active)
				{
					result = dspparameq->remove();
					ERRCHECK(result);
				}
				else
				{
					result = system->addDSP(dspparameq, 0);
					ERRCHECK(result);
					
					result = dspparameq->setParameter(FMOD_DSP_PARAMEQ_CENTER, 5000.0f);
					ERRCHECK(result);
					result = dspparameq->setParameter(FMOD_DSP_PARAMEQ_GAIN, 0.0f);
					ERRCHECK(result);
				}
				lineCount++;
				break;					
			}
			
			if (line.compare("iTempo") == 0){
				
				//44100
				//62366.816406
				
				channel[0]->getFrequency(&frequency);
				
				float base = 2.0f;
				float newTempo = frequency * pow(base,(6.0f/12.0f));
				
				float pitchf = 1.0f;
				pitchf = pow(.9438f,6);
				
				
				result = dsppitch->remove();
				ERRCHECK(result);
				
				result = system->addDSP(dsppitch, 0);
				ERRCHECK(result);
				
				channel[0]->setFrequency(newTempo);
				
				
				result = dsppitch->setParameter(FMOD_DSP_PITCHSHIFT_PITCH, pitchf);
				ERRCHECK(result);
				
				channel[0]->getFrequency(&frequency);
				
				lineCount++;
				break;
			}
			
			if (line.compare("dTempo") == 0){
				
				channel[0]->getFrequency(&frequency);
				
				float base = 2.0f;
				float newTempo = frequency * pow(base,(-6.0f/12.0f));
				
				float pitchf = 1.0f;
				
				result = dsppitch->remove();
				ERRCHECK(result);
				
				result = system->addDSP(dsppitch, 0);
				ERRCHECK(result);
				
				channel[0]->setFrequency(newTempo);
				
				
				result = dsppitch->setParameter(FMOD_DSP_PITCHSHIFT_PITCH, pitchf);
				ERRCHECK(result);
				
				channel[0]->getFrequency(&frequency);
				
				lineCount++;
				break;
			}
			
			if (line.compare("quit") == 0){				
				key = 27;
				lineCount++;
				//printf("Line Count: %d \n", lineCount);
				break;
			}
			
		}
		myfile.close();
		
		
        if (kbhit())
        {
            key = getch();
			
            switch (key)
            {
				case 's' :
                {
					bool paused;
					
					channel[0]->getPaused(&paused);
					ERRCHECK(result);
					
					paused = !paused;
					
					result = channel[0]->setPaused(paused);
					ERRCHECK(result);
					break;
				}
				case '1' :
                {
					//	Play Sound From Left Speakers
					for (count = 0; count < numSounds; count++)
					{
						channel[count]->getVolume(&volume);
						result = channel[count]->setSpeakerMix(1.0f, 0, 0, 0, 0, 0, 0, 0);
						ERRCHECK(result);
					}
                    break;
                }
                case '2' :
                {
					//	Play Sound From Right Speakers
					for (count = 0; count < numSounds; count++)
					{
					channel[count]->getVolume(&volume);
					printf("Volume: %f\n", volume);
                    result = channel[count]->setSpeakerMix(0, 1.0f, 0, 0, 0, 0, 0, 0);
                    ERRCHECK(result);
					}
                    break;
                }
				case '3' :
                {
					//	Play Sound From Both Speakers
					for (count = 0; count < numSounds; count++)
					{
					channel[count]->getVolume(&volume);
                    result = channel[count]->setSpeakerMix(1.0f, 1.0f, 0, 0, 0, 0, 0, 0);
                    ERRCHECK(result);
					}
                    break;
                }	
                case '4' : 
                {
					//	Decrmenent Tempo
					//if(frequencyCount > -12){
					//if (tempoChange + pitchCount > -12 && abs(pitchCount) < 12 && tempoChange > -12) {
					if (pitchf < 1.98f) {
						frequencyCount--;
						tempoChange++;
						printf("Pitch Count: %d\n", pitchCount);
						printf("Tempo Count: %d\n", tempoChange);
						
						channel[0]->getFrequency(&frequency);
						//printf("Z Initial Frequency: %f \n", frequency);
						
						float base = 2.0f;
						
						//printf("inc by: %f \n", pow(base,(-1.0f/12.0f)));
						float newTempo = frequency * pow(base,(-1.0f/12.0f));
						
						//float pitchf = 1.0f;
						
						//if (pitchCount == 0 && tempoChange == 0) {
						//	pitchf = 1.0f;
						//}
						if (pitchf == 1.0f) {
							pitchf = pow(1.059f,abs(tempoChange + pitchCount));
						}
						else if (pitchf > 1.0f) {
							pitchf = pow(1.059f,abs(tempoChange + pitchCount));
						}
						else if (pitchf < 1.0f) {
							pitchf = pow(.9438f,abs(tempoChange + pitchCount));
						}

						printf("pitchf: %f\n", pitchf);
						printf("Frequency: %f \n", newTempo);
						
						result = dsppitch->remove();
						ERRCHECK(result);
						
						result = system->addDSP(dsppitch, 0);
						ERRCHECK(result);
						
						channel[0]->setFrequency(newTempo);

						result = dsppitch->setParameter(FMOD_DSP_PITCHSHIFT_PITCH, pitchf);
						ERRCHECK(result);
						
					}
					else {
						printf("Reached Min Tempo\n");
					}
					
                    break;
                }
				case '5' : 
                {
					//	Incrmenent Tempo
					if (pitchf > 0.52f) {
						frequencyCount++;
						tempoChange--;
						printf("Pitch Count: %d\n", pitchCount);
						printf("Tempo Count: %d\n", tempoChange);
						
						channel[0]->getFrequency(&frequency);
						//printf("Z Initial Frequency: %f \n", frequency);
						
						float base = 2.0f;
						float newTempo = frequency * pow(base,(1.0f/12.0f));
						
						if (pitchf == 1.0f) {
							//printf("tempo one\n");
							pitchf = pow(.9438f,abs(tempoChange + pitchCount));
						}
						else if (pitchf > 1.0f) {
							//printf("tempo inc\n");
							pitchf = pow(1.059f,abs(tempoChange + pitchCount));
						}
						else if (pitchf < 1.0f) {
							//printf("tempo dec\n");
							pitchf = pow(.9438f,abs(tempoChange + pitchCount));
						}
						
						printf("pitchf: %f\n", pitchf);
						
						printf("Frequency: %f \n", newTempo);
						
						
						result = dsppitch->remove();
						ERRCHECK(result);
						
						result = system->addDSP(dsppitch, 0);
						ERRCHECK(result);
						
						channel[0]->setFrequency(newTempo);

										
						result = dsppitch->setParameter(FMOD_DSP_PITCHSHIFT_PITCH, pitchf);
						ERRCHECK(result);
					}
					else {
						printf("Reached Max Tempo\n");
					}
					break;
                }	
					
				case '6' : 
                {
					//	Pitch Shift Down Octave
                    bool active;
					
                    result = dsppitch->getActive(&active);
                    ERRCHECK(result);
					
                    if (active)
                    {
                        result = dsppitch->remove();
                        ERRCHECK(result);
                    }
                    else
                    {
                        result = system->addDSP(dsppitch, 0);
                        ERRCHECK(result);
						
						result = dsppitch->setParameter(FMOD_DSP_PITCHSHIFT_PITCH, 0.5f);
                        ERRCHECK(result);
						
                    }
                    break;
                }
					
				case '7' :
                {
					//	Pitch Shift Down One Note
                    bool active;
					
                    result = dsppitch->getActive(&active);
                    ERRCHECK(result);
					
                    if (active)
                    {
                        result = dsppitch->remove();
                        ERRCHECK(result);
                    }
                    else
                    {
                        result = system->addDSP(dsppitch, 0);
                        ERRCHECK(result);
						
						result = dsppitch->setParameter(FMOD_DSP_PITCHSHIFT_PITCH, .9438f);
                        ERRCHECK(result);
						
                    }
                    break;
                }
					
				case '8' :
                {
					//	Pitch Shift Up One Note
                    bool active;
					
                    result = dsppitch->getActive(&active);
                    ERRCHECK(result);
					
                    if (active)
                    {
                        result = dsppitch->remove();
                        ERRCHECK(result);
                    }
                    else
                    {
                        result = system->addDSP(dsppitch, 0);
                        ERRCHECK(result);
						
						result = dsppitch->setParameter(FMOD_DSP_PITCHSHIFT_PITCH, 1.059f);
                        ERRCHECK(result);
						
                    }
                    break;
                }
					
				case '9' :
                {
					//	Pitch Shift Up Octave
                    bool active;
					
                    result = dsppitch->getActive(&active);
                    ERRCHECK(result);
					
                    if (active)
                    {
                        result = dsppitch->remove();
                        ERRCHECK(result);
                    }
                    else
                    {
                        result = system->addDSP(dsppitch, 0);
                        ERRCHECK(result);
						
						result = dsppitch->setParameter(FMOD_DSP_PITCHSHIFT_PITCH, 2.0f);
                        ERRCHECK(result);
						
                    }
                    break;
                }
					
					
				case 'v' : 
                case 'V' : 
                {
					//	Increment Volume
					for (count = 0; count < numSounds; count++)
					{
					channel[count]->getVolume(&volume);
                    volume += 0.1f;
                    if (volume > 1)
                    {
						volume = 1;
                    }
					//printf("Volume: %f \n", volume);
                    channel[count]->setVolume(volume);
					}
                    break;
                }
				case 'd' : 
                case 'D' : 
                {
					//	Decrement Volume
					for (count = 0; count < numSounds; count++)
					{
					channel[count]->getVolume(&volume);
                    volume -= 0.1f;
                    if (volume < 0)
                    {
						volume = 0;
                    }
					//printf("Volume: %f \n", volume);
                    channel[count]->setVolume(volume);
					}
                    break;
                }
                case '[' :
                {
					// Pan Left
					for (count = 0; count < numSounds; count++)
					{
                    channel[count]->getPan(&pan);
                    pan -= 0.1f;
                    if (pan < -1)
                    {
                        pan = -1;
                    }
                    channel[count]->setPan(pan);
					}
                    break;
                }
                case ']' :
                {
					//	Pan Right
					for (count = 0; count < numSounds; count++)
					{
                    channel[count]->getPan(&pan);
                    pan += 0.1f;
                    if (pan > 1)
                    {
                        pan = 1;
                    }
                    channel[count]->setPan(pan);
					}
                    break;
                }
					
				case 'n' :
                {
					//	Decremental Pitch
					if (pitchf > 0.52f) {
						frequencyCount--;
						pitchCount--;
						printf("Pitch Count: %d\n", pitchCount);
						printf("Tempo Count: %d\n", tempoChange);
						
						if (pitchf == 1.0f) {
							pitchf = pow(.9438f,abs(tempoChange + pitchCount));
						}
						else if (pitchf > 1.0f) {
							pitchf = pow(1.059f,tempoChange + pitchCount);
						}
						else if (pitchf < 1.0f) {
							pitchf = pow(.9438f,abs(tempoChange + pitchCount));
						}
						
						 
						printf("pitchf: %f\n", pitchf);
						
						result = dsppitch->remove();
						ERRCHECK(result);
						
						result = system->addDSP(dsppitch, 0);
						ERRCHECK(result);
											
						result = dsppitch->setParameter(FMOD_DSP_PITCHSHIFT_PITCH, pitchf);
						ERRCHECK(result);
					}
					else {
						printf("Reached Min Pitch\n");
					}
										
                    break;
                }
					
					
				case 'm' :
                {
					//	Incremental Pitch
					if (pitchf < 1.98f) {
						frequencyCount++;
						pitchCount++;
						printf("Pitch Count: %d\n", pitchCount);
						printf("Tempo Count: %d\n", tempoChange);

						if (pitchf == 1.0f) {
							pitchf = pow(1.059f,abs(tempoChange + pitchCount));
						}
						else if (pitchf > 1.0f) {
							pitchf = pow(1.059f,tempoChange + pitchCount);
						}
						else if (pitchf < 1.0f) {
							pitchf = pow(.9438f,abs(tempoChange + pitchCount));
						}
						
						printf("pitchf: %f\n", pitchf);
						
						result = dsppitch->remove();
						ERRCHECK(result);
						
						result = system->addDSP(dsppitch, 0);
						ERRCHECK(result);

												
						result = dsppitch->setParameter(FMOD_DSP_PITCHSHIFT_PITCH, pitchf);
						ERRCHECK(result);
					}
					else {
						printf("Reached Max Pitch\n");
					}

                    break;
                }
					
				case 'r' :
                {
					//	Lowpass
					bool active;
					
                    result = dsplowpass->getActive(&active);
                    ERRCHECK(result);
					
                    if (active)
                    {
                        result = dsplowpass->remove();
                        ERRCHECK(result);
                    }
                    else
                    {
                        result = system->addDSP(dsplowpass, 0);
                        ERRCHECK(result);
                    }
                    break;
					
				}
					
				case 't' :
                {
					// Highpass
					bool active;
					
                    result = dsphighpass->getActive(&active);
                    ERRCHECK(result);
					
                    if (active)
                    {
                        result = dsphighpass->remove();
                        ERRCHECK(result);
                    }
                    else
                    {
                        result = system->addDSP(dsphighpass, 0);
                        ERRCHECK(result);
                    }
                    break;
					
				}
					
				case 'y' :
                {
					//	Echo
					bool active;
					
                    result = dspecho->getActive(&active);
                    ERRCHECK(result);
					
                    if (active)
                    {
                        result = dspecho->remove();
                        ERRCHECK(result);
                    }
                    else
                    {
                        result = system->addDSP(dspecho, 0);
                        ERRCHECK(result);
						
                        result = dspecho->setParameter(FMOD_DSP_ECHO_DELAY, 50.0f);
                        ERRCHECK(result);
                    }
                    break;
					
				}
					
				case 'u' :
                {
					//	Flange
					bool active;
					
                    result = dspflange->getActive(&active);
                    ERRCHECK(result);
					
                    if (active)
                    {
                        result = dspflange->remove();
                        ERRCHECK(result);
                    }
                    else
                    {
                        result = system->addDSP(dspflange, 0);
                        ERRCHECK(result);
                    }
                    break;
					
				}
					
				case 'i' :
                {
					//	Distortion
					bool active;
					
                    result = dspdistortion->getActive(&active);
                    ERRCHECK(result);
					
                    if (active)
                    {
                        result = dspdistortion->remove();
                        ERRCHECK(result);
                    }
                    else
                    {
                        result = system->addDSP(dspdistortion, 0);
                        ERRCHECK(result);
						
                        result = dspdistortion->setParameter(FMOD_DSP_DISTORTION_LEVEL, 0.8f);
                        ERRCHECK(result);
                    }
                    break;
					
				}
					
				case 'o' :
                {
					//	Chorus
					bool active;
					
                    result = dspchorus->getActive(&active);
                    ERRCHECK(result);
					
                    if (active)
                    {
                        result = dspchorus->remove();
                        ERRCHECK(result);
                    }
                    else
                    {
                        result = system->addDSP(dspchorus, 0);
                        ERRCHECK(result);
                    }
                    break;
					
				}
					
				case 'p' :
                {
					//	Parameq
					bool active;
					
                    result = dspparameq->getActive(&active);
                    ERRCHECK(result);
					
                    if (active)
                    {
                        result = dspparameq->remove();
                        ERRCHECK(result);
                    }
                    else
                    {
                        result = system->addDSP(dspparameq, 0);
                        ERRCHECK(result);
						
                        result = dspparameq->setParameter(FMOD_DSP_PARAMEQ_CENTER, 5000.0f);
                        ERRCHECK(result);
                        result = dspparameq->setParameter(FMOD_DSP_PARAMEQ_GAIN, 0.0f);
                        ERRCHECK(result);
                    }
                    break;
					
				}
            }
        }
		
        system->update();
		
        {
            int  channelsplaying = 0;
			
			bool dsppitch_active;
			dsppitch	 ->getActive(&dsppitch_active);
			
            system->getChannelsPlaying(&channelsplaying);
			
        }
		
        fflush(stdout);
        Sleep(10);
		
    } while (key != 27);
	
	{
		
		for (count = 0; count < numSounds; count++)
		{
		//channel[count]->getFrequency(&frequency);
		channel[count]->getVolume(&volume);
		int count;
		//float initFreq = frequency;
		float initVol = volume;
		
			for (count = 0; count < 200; count++)
			{
			//printf("Volume: %f \n", volume);
				//channel[count]->setFrequency(frequency);
				channel[count]->setVolume(volume);

				volume   -= (initVol / 200.0f);
				//frequency -= (initFreq / 200.0f);
			
            Sleep(2);
			}
		}		
	}
	
    printf("\n");
	
    /*
	 Shut down
	 */
	channel[0]->setFrequency(originalFrequency);
	
	result = dsppitch->remove();
	ERRCHECK(result);
	
	result = dspparameq->remove();
	ERRCHECK(result);
	
	result = dspchorus->remove();
	ERRCHECK(result);
	
	result = dspdistortion->remove();
	ERRCHECK(result);
	
	result = dspflange->remove();
	ERRCHECK(result);
	
	result = dspecho->remove();
	ERRCHECK(result);
	
	result = dsplowpass->remove();
	ERRCHECK(result);
	
	result = dsphighpass->remove();
	ERRCHECK(result);
	
	for (count = 0; count < numSounds; count++)
	{
		result = sound[count]->release();
		ERRCHECK(result);
	}
	
	result = system->createSound("../../Config/Recital Crowd Applause.aif", FMOD_SOFTWARE, 0, &applause);
	ERRCHECK(result);
	
	wait(.5);
	
	result = system->playSound(FMOD_CHANNEL_FREE, applause, false, &applauseChannel);
	ERRCHECK(result);
	
	wait(10);
	
	result = applause->release();
	ERRCHECK(result);
	
    result = system->close();
    ERRCHECK(result);
    result = system->release();
    ERRCHECK(result);
	
    return 0;
}
int FMOD_Main()
{
    FMOD::System    *system;
    FMOD::Channel   *channel = 0;
    FMOD::DSP       *dsp;
    FMOD_RESULT      result;
    unsigned int     version;
    void            *extradriverdata = 0;

    Common_Init(&extradriverdata);
    
    /*
        Create a System object and initialize.
    */
    result = FMOD::System_Create(&system);
    ERRCHECK(result);

    result = system->getVersion(&version);
    ERRCHECK(result);

    if (version < FMOD_VERSION)
    {
        Common_Fatal("FMOD lib version %08x doesn't match header version %08x", version, FMOD_VERSION);
    }

    result = system->init(32, FMOD_INIT_NORMAL, extradriverdata);
    ERRCHECK(result);

    /*
        Create an oscillator DSP units for the tone.
    */
    result = system->createDSPByType(FMOD_DSP_TYPE_OSCILLATOR, &dsp);
    ERRCHECK(result);
    result = dsp->setParameterFloat(FMOD_DSP_OSCILLATOR_RATE, 440.0f); /* Musical note 'A' */
    ERRCHECK(result);

    /*
        Main loop
    */
    do
    {
        Common_Update();

        if (Common_BtnPress(BTN_ACTION1))
        {
            if (channel)
            {
                result = channel->stop();
                ERRCHECK(result);
            }

            result = system->playDSP(dsp, 0, true, &channel);
            ERRCHECK(result);
            result = channel->setVolume(0.5f);
            ERRCHECK(result);
            result = dsp->setParameterInt(FMOD_DSP_OSCILLATOR_TYPE, 0);
            ERRCHECK(result);
            result = channel->setPaused(false);
            ERRCHECK(result);
        }

        if (Common_BtnPress(BTN_ACTION2))
        {
            if (channel)
            {
                result = channel->stop();
                ERRCHECK(result);
            }

            result = system->playDSP(dsp, 0, true, &channel);
            ERRCHECK(result);
            result = channel->setVolume(0.125f);
            ERRCHECK(result);
            result = dsp->setParameterInt(FMOD_DSP_OSCILLATOR_TYPE, 1);
            ERRCHECK(result);
            result = channel->setPaused(false);
            ERRCHECK(result);
        }

        if (Common_BtnPress(BTN_ACTION3))
        {
            if (channel)
            {
                result = channel->stop();
                ERRCHECK(result);
            }

            result = system->playDSP(dsp, 0, true, &channel);
            ERRCHECK(result);
            result = channel->setVolume(0.125f);
            ERRCHECK(result);
            result = dsp->setParameterInt(FMOD_DSP_OSCILLATOR_TYPE, 2);
            ERRCHECK(result);
            result = channel->setPaused(false);
            ERRCHECK(result);
        }

        if (Common_BtnPress(BTN_ACTION4))
        {
            if (channel)
            {
                result = channel->stop();
                ERRCHECK(result);
            }

            result = system->playDSP(dsp, 0, true, &channel);
            ERRCHECK(result);
            result = channel->setVolume(0.5f);
            ERRCHECK(result);
            result = dsp->setParameterInt(FMOD_DSP_OSCILLATOR_TYPE, 4);
            ERRCHECK(result);
            result = channel->setPaused(false);
            ERRCHECK(result);
        }

        if (Common_BtnPress(BTN_MORE))
        {
            if (channel)
            {
                result = channel->stop();
                ERRCHECK(result);
                channel = 0;
            }
        }

        if (channel)
        {
            if (Common_BtnDown(BTN_UP) || Common_BtnDown(BTN_DOWN))
            {
                float volume;
            
                result = channel->getVolume(&volume);
                ERRCHECK(result);
            
                volume += (Common_BtnDown(BTN_UP) ? +0.1f : -0.1f);
                volume = (volume > 1.0f) ? 1.0f : volume;
                volume = (volume < 0.0f) ? 0.0f : volume;
           
                result = channel->setVolume(volume);
                ERRCHECK(result);
            }

            if (Common_BtnDown(BTN_LEFT) || Common_BtnDown(BTN_RIGHT))
            {
                float frequency;
            
                result = channel->getFrequency(&frequency);
                ERRCHECK(result);
            
                frequency += (Common_BtnDown(BTN_RIGHT) ? +500.0f : -500.0f);
            
                result = channel->setFrequency(frequency);
                ERRCHECK(result);
            }
        }

        result = system->update();
        ERRCHECK(result);

        {
            float frequency = 0.0f, volume = 0.0f;
            bool playing = false;

            if (channel)
            {
                result = channel->getFrequency(&frequency);
                ERRCHECK(result);
                result = channel->getVolume(&volume);
                ERRCHECK(result);
                result = channel->isPlaying(&playing);
                ERRCHECK(result);
            }

            Common_Draw("==================================================");
            Common_Draw("Generate Tone Example.");
            Common_Draw("Copyright (c) Firelight Technologies 2004-2015.");
            Common_Draw("==================================================");
            Common_Draw("");
            Common_Draw("Press %s to play a sine wave", Common_BtnStr(BTN_ACTION1));
            Common_Draw("Press %s to play a square wave", Common_BtnStr(BTN_ACTION2));
            Common_Draw("Press %s to play a saw wave", Common_BtnStr(BTN_ACTION3));
            Common_Draw("Press %s to play a triangle wave", Common_BtnStr(BTN_ACTION4));
            Common_Draw("Press %s to stop the channel", Common_BtnStr(BTN_MORE));
            Common_Draw("Press %s and %s to change volume", Common_BtnStr(BTN_UP), Common_BtnStr(BTN_DOWN));
            Common_Draw("Press %s and %s to change frequency", Common_BtnStr(BTN_LEFT), Common_BtnStr(BTN_RIGHT));
            Common_Draw("Press %s to quit", Common_BtnStr(BTN_QUIT));
            Common_Draw("");
            Common_Draw("Channel is %s", playing ? "playing" : "stopped");
            Common_Draw("Volume %0.2f", volume);
            Common_Draw("Frequency %0.2f", frequency);
        }

        Common_Sleep(50);
    } while (!Common_BtnPress(BTN_QUIT));

    /*
        Shut down
    */
    result = dsp->release();
    ERRCHECK(result);
    result = system->close();
    ERRCHECK(result);
    result = system->release();
    ERRCHECK(result);

    Common_Close();

    return 0;
}
int FMOD_Main()
{
    void *extradriverdata = 0;    
    Common_Init(&extradriverdata);

    /*
        Create a System object and initialize
    */
    FMOD_RESULT result;
    FMOD::System* system;
    result = FMOD::System_Create(&system);
    ERRCHECK(result);

    unsigned int version;
    result = system->getVersion(&version);
    ERRCHECK(result);

    if (version < FMOD_VERSION)
    {
        Common_Fatal("FMOD lib version %08x doesn't match header version %08x", version, FMOD_VERSION);
    }
    
    result = system->init(32, FMOD_INIT_NORMAL, extradriverdata);
    ERRCHECK(result);
        

    /*
        Create a new channel group to hold the convolution DSP unit
    */
    FMOD::ChannelGroup* reverbGroup;
    result = system->createChannelGroup("reverb", &reverbGroup);
    ERRCHECK(result);

    
    /*
        Create a new channel group to hold all the channels and process the dry path
    */
    FMOD::ChannelGroup* mainGroup;
    result = system->createChannelGroup("main", &mainGroup);
    ERRCHECK(result);

    /*
        Create the convultion DSP unit and set it as the tail of the channel group
    */
    FMOD::DSP* reverbUnit;    
    result = system->createDSPByType(FMOD_DSP_TYPE_CONVOLUTIONREVERB, &reverbUnit);
    ERRCHECK(result);
    result = reverbGroup->addDSP(FMOD_CHANNELCONTROL_DSP_TAIL, reverbUnit);
    ERRCHECK(result);

    /*
        Open the impulse response wav file, but use FMOD_OPENONLY as we want
        to read the data into a seperate buffer
    */
    FMOD::Sound* irSound;
    result = system->createSound(Common_MediaPath("standrews.wav"), FMOD_DEFAULT | FMOD_OPENONLY, NULL, &irSound);
    ERRCHECK(result);

    /*
        Retrieve the sound information for the Impulse Response input file
    */
    FMOD_SOUND_FORMAT irSoundFormat;
    FMOD_SOUND_TYPE irSoundType;
    int irSoundBits, irSoundChannels;
    result = irSound->getFormat(&irSoundType, &irSoundFormat, &irSoundChannels, &irSoundBits);
    ERRCHECK(result);
    unsigned int irSoundLength;
    result = irSound->getLength(&irSoundLength, FMOD_TIMEUNIT_PCM);
    ERRCHECK(result);

    
    if (irSoundFormat != FMOD_SOUND_FORMAT_PCM16)
    {
        /*
            For simplicity of the example, if the impulse response is the wrong format just display an error
        */        
        Common_Fatal("Impulse Response file is the wrong audio format");
    }

    /*
        The reverb unit expects a block of data containing a single 16 bit int containing
        the number of channels in the impulse response, followed by PCM 16 data
    */
    unsigned int irDataLength = sizeof(short) * (irSoundLength * irSoundChannels + 1);
    short* irData = (short*)malloc(irDataLength);
    irData[0] = irSoundChannels;
    unsigned int irDataRead;
    result = irSound->readData(&irData[1], irDataLength - sizeof(short), &irDataRead);
    ERRCHECK(result);
    result = reverbUnit->setParameterData(FMOD_DSP_CONVOLUTION_REVERB_PARAM_IR, irData, irDataLength);
    ERRCHECK(result);

    /*
        Don't pass any dry signal from the reverb unit, instead take the dry part
        of the mix from the main signal path
    */
    result = reverbUnit->setParameterFloat(FMOD_DSP_CONVOLUTION_REVERB_PARAM_DRY, -80.0f);    
    ERRCHECK(result);

    /*
        We can now free our copy of the IR data and release the sound object, the reverb unit 
        has created it's internal data
    */
    free(irData);
    result = irSound->release();
    ERRCHECK(result);
    
    /*
        Load up and play a sample clip recorded in an anechoic chamber
    */
    FMOD::Sound* sound;
    system->createSound(Common_MediaPath("singing.wav"), FMOD_3D | FMOD_LOOP_NORMAL, NULL, &sound);
    ERRCHECK(result);

    FMOD::Channel* channel;
    system->playSound(sound, mainGroup, true, &channel);
    ERRCHECK(result);
    
    /*
        Create a send connection between the channel head and the reverb unit
    */
    FMOD::DSP* channelHead;
    channel->getDSP(FMOD_CHANNELCONTROL_DSP_HEAD, &channelHead);
    ERRCHECK(result);
    FMOD::DSPConnection* reverbConnection;
    result = reverbUnit->addInput(channelHead, &reverbConnection, FMOD_DSPCONNECTION_TYPE_SEND);
    ERRCHECK(result);

    result = channel->setPaused(false);
    ERRCHECK(result);


    float wetVolume = 1.0;
    float dryVolume = 1.0;

    /*
        Main loop
    */
    do
    {
        Common_Update();

        if (Common_BtnPress(BTN_LEFT))
        {
            wetVolume = (wetVolume <= 0.0f) ? wetVolume : wetVolume - 0.05;
        }
        if (Common_BtnPress(BTN_RIGHT))
        {
            wetVolume = (wetVolume >= 1.0f) ? wetVolume : wetVolume + 0.05f;
        }        
        if (Common_BtnPress(BTN_DOWN))
        {
            dryVolume = (dryVolume <= 0.0f) ? dryVolume : dryVolume - 0.05f;
        }
        if (Common_BtnPress(BTN_UP))
        {
            dryVolume = (dryVolume >= 1.0f) ? dryVolume : dryVolume + 0.05f;
        }
        

        result = system->update();
        ERRCHECK(result);

        result = reverbConnection->setMix(wetVolume);
        ERRCHECK(result);
        result = mainGroup->setVolume(dryVolume);
        ERRCHECK(result);


        Common_Draw("==================================================");
        Common_Draw("Convolution Example.");
        Common_Draw("Copyright (c) Firelight Technologies 2004-2015.");
        Common_Draw("==================================================");
        Common_Draw("Press %s and %s to change dry mix", Common_BtnStr(BTN_UP), Common_BtnStr(BTN_DOWN));
        Common_Draw("Press %s and %s to change wet mix", Common_BtnStr(BTN_LEFT), Common_BtnStr(BTN_RIGHT));
        Common_Draw("wet mix [%.2f] dry mix [%.2f]", wetVolume, dryVolume);
        Common_Draw("Press %s to quit", Common_BtnStr(BTN_QUIT));
        Common_Draw("");

        Common_Sleep(50);
    } while (!Common_BtnPress(BTN_QUIT));

    /*
        Shut down
    */
    result = sound->release();
    ERRCHECK(result);
    result = mainGroup->release();
    ERRCHECK(result);
    result = reverbGroup->removeDSP(reverbUnit);
    ERRCHECK(result);
    result = reverbUnit->disconnectAll(true, true);
    ERRCHECK(result);
    result = reverbUnit->release();
    ERRCHECK(result);
    result = reverbGroup->release();
    ERRCHECK(result);
    result = system->close();
    ERRCHECK(result);
    result = system->release();
    ERRCHECK(result);

    Common_Close();

    return 0;
}
Example #4
0
int FMOD_Main()
{
    FMOD::System       *system        = 0;
    FMOD::Sound        *sound         = 0;
    FMOD::Channel      *channel       = 0;
    FMOD::ChannelGroup *mastergroup   = 0; 
    FMOD::DSP          *dsplowpass    = 0;
    FMOD::DSP          *dsphighpass   = 0;
    FMOD::DSP          *dspecho       = 0;
    FMOD::DSP          *dspflange     = 0;
    FMOD_RESULT         result;
    unsigned int        version;
    void               *extradriverdata = 0;

    Common_Init(&extradriverdata);

    /*
        Create a System object and initialize
    */
    result = FMOD::System_Create(&system);
    ERRCHECK(result);

    result = system->getVersion(&version);
    ERRCHECK(result);

    if (version < FMOD_VERSION)
    {
        Common_Fatal("FMOD lib version %08x doesn't match header version %08x", version, FMOD_VERSION);
    }

    result = system->init(32, FMOD_INIT_NORMAL, extradriverdata);
    ERRCHECK(result);

    result = system->getMasterChannelGroup(&mastergroup);
    ERRCHECK(result);

    result = system->createSound(Common_MediaPath("drumloop.wav"), FMOD_DEFAULT, 0, &sound);
    ERRCHECK(result);

    result = system->playSound(sound, 0, false, &channel);
    ERRCHECK(result);

    /*
        Create some effects to play with
    */
    result = system->createDSPByType(FMOD_DSP_TYPE_LOWPASS, &dsplowpass);
    ERRCHECK(result);
    result = system->createDSPByType(FMOD_DSP_TYPE_HIGHPASS, &dsphighpass);
    ERRCHECK(result);
    result = system->createDSPByType(FMOD_DSP_TYPE_ECHO, &dspecho);
    ERRCHECK(result);
    result = system->createDSPByType(FMOD_DSP_TYPE_FLANGE, &dspflange);
    ERRCHECK(result);

    /*
        Add them to the master channel group.  Each time an effect is added (to position 0) it pushes the others down the list.
    */
    result = mastergroup->addDSP(0, dsplowpass);
    ERRCHECK(result);
    result = mastergroup->addDSP(0, dsphighpass);
    ERRCHECK(result);
    result = mastergroup->addDSP(0, dspecho);
    ERRCHECK(result);
    result = mastergroup->addDSP(0, dspflange);
    ERRCHECK(result);

    /*
        By default, bypass all effects.  This means let the original signal go through without processing.
        It will sound 'dry' until effects are enabled by the user.
    */
    result = dsplowpass->setBypass(true);
    ERRCHECK(result);
    result = dsphighpass->setBypass(true);
    ERRCHECK(result);
    result = dspecho->setBypass(true);
    ERRCHECK(result);
    result = dspflange->setBypass(true);
    ERRCHECK(result);

    /*
        Main loop
    */
    do
    {
        Common_Update();

        if (Common_BtnPress(BTN_MORE))
        {
            bool paused;

            result = channel->getPaused(&paused);
            ERRCHECK(result);

            paused = !paused;

            result = channel->setPaused(paused);
            ERRCHECK(result);
        }

        if (Common_BtnPress(BTN_ACTION1))
        {
            bool bypass;

            result = dsplowpass->getBypass(&bypass);
            ERRCHECK(result);

            bypass = !bypass;

            result = dsplowpass->setBypass(bypass);
            ERRCHECK(result);
        }

        if (Common_BtnPress(BTN_ACTION2))
        {
            bool bypass;

            result = dsphighpass->getBypass(&bypass);
            ERRCHECK(result);

            bypass = !bypass;

            result = dsphighpass->setBypass(bypass);
            ERRCHECK(result);
        }

        if (Common_BtnPress(BTN_ACTION3))
        {
            bool bypass;

            result = dspecho->getBypass(&bypass);
            ERRCHECK(result);

            bypass = !bypass;

            result = dspecho->setBypass(bypass);
            ERRCHECK(result);
        }

        if (Common_BtnPress(BTN_ACTION4))
        {
            bool bypass;

            result = dspflange->getBypass(&bypass);
            ERRCHECK(result);

            bypass = !bypass;

            result = dspflange->setBypass(bypass);
            ERRCHECK(result);
        }

        result = system->update();
        ERRCHECK(result);

        {
            bool paused = 0;
            bool dsplowpass_bypass;
            bool dsphighpass_bypass;
            bool dspecho_bypass;
            bool dspflange_bypass;

            dsplowpass   ->getBypass(&dsplowpass_bypass);
            dsphighpass  ->getBypass(&dsphighpass_bypass);
            dspecho      ->getBypass(&dspecho_bypass);
            dspflange    ->getBypass(&dspflange_bypass);

            if (channel)
            {
                result = channel->getPaused(&paused);
                if ((result != FMOD_OK) && (result != FMOD_ERR_INVALID_HANDLE) && (result != FMOD_ERR_CHANNEL_STOLEN))
                {
                    ERRCHECK(result);
                }
            }

            Common_Draw("==================================================");
            Common_Draw("Effects Example.");
            Common_Draw("Copyright (c) Firelight Technologies 2004-2015.");
            Common_Draw("==================================================");
            Common_Draw("");
            Common_Draw("Press %s to pause/unpause sound", Common_BtnStr(BTN_MORE));
            Common_Draw("Press %s to toggle dsplowpass effect", Common_BtnStr(BTN_ACTION1));
            Common_Draw("Press %s to toggle dsphighpass effect", Common_BtnStr(BTN_ACTION2));
            Common_Draw("Press %s to toggle dspecho effect", Common_BtnStr(BTN_ACTION3));
            Common_Draw("Press %s to toggle dspflange effect", Common_BtnStr(BTN_ACTION4));
            Common_Draw("Press %s to quit", Common_BtnStr(BTN_QUIT));
            Common_Draw("");
            Common_Draw("%s : lowpass[%c] highpass[%c] echo[%c] flange[%c]", 
                    paused              ? "Paused " : "Playing",
                    dsplowpass_bypass   ? ' ' : 'x',
                    dsphighpass_bypass  ? ' ' : 'x',
                    dspecho_bypass      ? ' ' : 'x',
                    dspflange_bypass    ? ' ' : 'x');
        }

        Common_Sleep(50);
    } while (!Common_BtnPress(BTN_QUIT));

    /*
        Shut down
    */
    result = mastergroup->removeDSP(dsplowpass);
    ERRCHECK(result);
    result = mastergroup->removeDSP(dsphighpass);
    ERRCHECK(result);
    result = mastergroup->removeDSP(dspecho);
    ERRCHECK(result);
    result = mastergroup->removeDSP(dspflange);
    ERRCHECK(result);
    
    result = dsplowpass->release();
    ERRCHECK(result);
    result = dsphighpass->release();
    ERRCHECK(result);
    result = dspecho->release();
    ERRCHECK(result);
    result = dspflange->release();
    ERRCHECK(result);

    result = sound->release();
    ERRCHECK(result);
    result = system->close();
    ERRCHECK(result);
    result = system->release();
    ERRCHECK(result);

    Common_Close();

    return 0;
}
Example #5
0
int main(int argc, char *argv[])
{
    FMOD::System        *system;
    FMOD::Sound         *sound;
    FMOD::Channel       *channel;
    FMOD::DSP           *dsplowpass, *dspchorus, *dsphead, *dspchannelmixer;
	FMOD::DSPConnection *dsplowpassconnection, *dspchorusconnection;
    FMOD_RESULT          result;
    int                  key;
    unsigned int         version;
    float                pan = 0;

    /*
        Create a System object and initialize.
    */
    result = FMOD::System_Create(&system);
    ERRCHECK(result);

    result = system->getVersion(&version);
    ERRCHECK(result);

    if (version < FMOD_VERSION)
    {
        printf("Error!  You are using an old version of FMOD %08x.  This program requires %08x\n", version, FMOD_VERSION);
        return 0;
    }

    result = system->init(32, FMOD_INIT_NORMAL, 0);
    ERRCHECK(result);

    result = system->createSound("../media/drumloop.wav", FMOD_SOFTWARE | FMOD_LOOP_NORMAL, 0, &sound);
    ERRCHECK(result);

    printf("===============================================================================\n");
    printf("DSP effect per speaker example. Copyright (c) Firelight Technologies 2004-2011.\n");
    printf("===============================================================================\n");
    printf("Press 'L' to toggle lowpass on/off on left speaker only\n");
    printf("Press 'R' to toggle chorus on/off on right speaker only\n");
    printf("Press '[' to pan sound left\n");
    printf("Press ']' to pan sound right\n");
    printf("Press 'Esc' to quit\n");
    printf("\n");

    result = system->playSound(FMOD_CHANNEL_FREE, sound, false, &channel);
    ERRCHECK(result);

    /*
        Create the DSP effects.
    */  
    result = system->createDSPByType(FMOD_DSP_TYPE_LOWPASS, &dsplowpass);
    ERRCHECK(result);

    result = system->createDSPByType(FMOD_DSP_TYPE_CHORUS, &dspchorus);
    ERRCHECK(result);

    /*
        Connect up the DSP network
    */

    /*
        When a sound is played, a subnetwork is set up in the DSP network which looks like this.
        Wavetable is the drumloop sound, and it feeds its data from right to left.

        [DSPHEAD]<------------[DSPCHANNELMIXER]
    */  
    result = system->getDSPHead(&dsphead);
    ERRCHECK(result);

    result = dsphead->getInput(0, &dspchannelmixer, 0);
    ERRCHECK(result);

    /*
        Now disconnect channeldsp head from wavetable to look like this.

        [DSPHEAD]             [DSPCHANNELMIXER]
    */
    result = dsphead->disconnectFrom(dspchannelmixer);
    ERRCHECK(result);

    /*
        Now connect the 2 effects to channeldsp head.  
		Store the 2 connections this makes so we can set their speakerlevels later.

                  [DSPLOWPASS]
                 /x           
        [DSPHEAD]             [DSPCHANNELMIXER]
                 \y           
                  [DSPCHORUS]
    */
    result = dsphead->addInput(dsplowpass, &dsplowpassconnection);  /* x = dsplowpassconnection */
    ERRCHECK(result);
    result = dsphead->addInput(dspchorus, &dspchorusconnection);    /* y = dspchorusconnection */
    ERRCHECK(result);
    
    /*
        Now connect the wavetable to the 2 effects

                  [DSPLOWPASS]
                 /x          \
        [DSPHEAD]             [DSPCHANNELMIXER]
                 \y          /
                  [DSPCHORUS]
    */
    result = dsplowpass->addInput(dspchannelmixer, 0);  /* Null for connection - we dont care about it. */
    ERRCHECK(result);
    result = dspchorus->addInput(dspchannelmixer, 0);   /* Null for connection - we dont care about it. */
    ERRCHECK(result);

    /*
        Now the drumloop will be twice as loud, because it is being split into 2, then recombined at the end.
        What we really want is to only feed the dspchannelmixer->dsplowpass through the left speaker, and 
        dspchannelmixer->dspchorus to the right speaker.
        We can do that simply by setting the pan, or speaker levels of the connections.

                  [DSPLOWPASS]
                 /x=1,0      \
        [DSPHEAD]             [DSPCHANNELMIXER]
                 \y=0,1      /
                  [DSPCHORUS]
    */
    {
        float leftinputon[2]  = { 1.0f, 0.0f };
        float rightinputon[2] = { 0.0f, 1.0f };
        float inputsoff[2]    = { 0.0f, 0.0f };

        result = dsplowpassconnection->setLevels(FMOD_SPEAKER_FRONT_LEFT, leftinputon, 2);
        ERRCHECK(result);
        result = dsplowpassconnection->setLevels(FMOD_SPEAKER_FRONT_RIGHT, inputsoff, 2);
        ERRCHECK(result);

        result = dspchorusconnection->setLevels(FMOD_SPEAKER_FRONT_LEFT, inputsoff, 2);
        ERRCHECK(result);
        result = dspchorusconnection->setLevels(FMOD_SPEAKER_FRONT_RIGHT, rightinputon, 2);
        ERRCHECK(result);
    }

    result = dsplowpass->setBypass(true);
    result = dspchorus->setBypass(true);

    result = dsplowpass->setActive(true);
    result = dspchorus->setActive(true);

    /*
        Main loop.
    */
    do
    {
        if (_kbhit())
        {
            key = _getch();

            switch (key)
            {
                case 'l' : 
                case 'L' : 
                {
                    static bool lowpass = false;

                    dsplowpass->setBypass(lowpass);

                    lowpass = !lowpass;
                    break;
                }
                case 'r' : 
                case 'R' : 
                {
                    static bool chorus = false;

                    dspchorus->setBypass(chorus);

                    chorus = !chorus;
                    break;
                }
                case '[' :
                {
                    channel->getPan(&pan);
                    pan -= 0.1f;
                    if (pan < -1)
                    {
                        pan = -1;
                    }
                    channel->setPan(pan);
                    break;
                }
                case ']' :
                {
                    channel->getPan(&pan);
                    pan += 0.1f;
                    if (pan > 1)
                    {
                        pan = 1;
                    }
                    channel->setPan(pan);
                    break;
                }
            }
        }

        system->update();

        {
            int  channelsplaying = 0;

            system->getChannelsPlaying(&channelsplaying);

            printf("Channels Playing %2d : Pan = %.02f\r", channelsplaying, pan);
        }

        Sleep(10);

    } while (key != 27);

    printf("\n");

    /*
        Shut down
    */
    result = sound->release();
    ERRCHECK(result);

    result = dsplowpass->release();
    ERRCHECK(result);
    result = dspchorus->release();
    ERRCHECK(result);

    result = system->close();
    ERRCHECK(result);
    result = system->release();
    ERRCHECK(result);

    return 0;
}
Example #6
0
int main(int argc, char *argv[])
{
    FMOD::System          *system  = 0;
    FMOD::Sound           *sound   = 0;
    FMOD::Channel         *channel = 0;
    FMOD::DSP             *dsp     = 0;
    FMOD_RESULT            result;
    FMOD_CREATESOUNDEXINFO exinfo;
    FMOD_SPEAKERMODE       speakermode;
    FMOD_CAPS              caps;
    int                    key, numdrivers;
    unsigned int           version;    
    unsigned int           datalength = 0, soundlength;
    char                   name[256];
    unsigned int           adjustedlatency;

    /*
        Create a System object and initialize.
    */
    result = FMOD::System_Create(&system);
    ERRCHECK(result);

    result = system->getVersion(&version);
    ERRCHECK(result);

    if (version < FMOD_VERSION)
    {
        printf("Error!  You are using an old version of FMOD %08x.  This program requires %08x\n", version, FMOD_VERSION);
        return 0;
    }

    /* 
        System initialization (recommended startup sequence)
    */
    result = system->getNumDrivers(&numdrivers);
    ERRCHECK(result);

    if (numdrivers == 0)
    {
        result = system->setOutput(FMOD_OUTPUTTYPE_NOSOUND);
        ERRCHECK(result);
    }
    else
    {
        result = system->getDriverCaps(0, &caps, 0, &speakermode);
        ERRCHECK(result);

        result = system->setSpeakerMode(speakermode);       /* Set the user selected speaker mode. */
        ERRCHECK(result);

        if (caps & FMOD_CAPS_HARDWARE_EMULATED)             /* The user has the 'Acceleration' slider set to off!  This is really bad for latency!. */
        {                                                   /* You might want to warn the user about this. */
            result = system->setDSPBufferSize(1024, 10);
            ERRCHECK(result);
        }
#ifdef LOWLATENCY
        else
        {
            result = system->setDSPBufferSize(256, 4);
        }
#endif
        result = system->getDriverInfo(0, name, 256, 0);
        ERRCHECK(result);

        if (strstr(name, "SigmaTel"))   /* Sigmatel sound devices crackle for some reason if the format is PCM 16bit.  PCM floating point output seems to solve it. */
        {
            result = system->setSoftwareFormat(48000, FMOD_SOUND_FORMAT_PCMFLOAT, 0,0, FMOD_DSP_RESAMPLER_LINEAR);
            ERRCHECK(result);
        }
    }

    result = system->init(100, FMOD_INIT_NORMAL, 0);
    if (result == FMOD_ERR_OUTPUT_CREATEBUFFER)         /* Ok, the speaker mode selected isn't supported by this soundcard.  Switch it back to stereo... */
    {
        result = system->setSpeakerMode(FMOD_SPEAKERMODE_STEREO);
        ERRCHECK(result);
            
        result = system->init(100, FMOD_INIT_NORMAL, 0);/* ... and re-init. */
        ERRCHECK(result);
    }
    /* 
        System initialization complete (recommended startup sequence)
    */
 

    /*
        Create user sound to record into.  Set it to loop for playback.
    */
    memset(&exinfo, 0, sizeof(FMOD_CREATESOUNDEXINFO));
    exinfo.cbsize           = sizeof(FMOD_CREATESOUNDEXINFO);
    exinfo.numchannels      = 1;
    exinfo.format           = FMOD_SOUND_FORMAT_PCM16;
    exinfo.defaultfrequency = RECORDRATE;
    exinfo.length           = exinfo.defaultfrequency * sizeof(short) * exinfo.numchannels * 5; /* 5 second buffer, doesnt really matter how big this is, but not too small of course. */
    
    result = system->createSound(0, FMOD_2D | FMOD_SOFTWARE | FMOD_LOOP_NORMAL | FMOD_OPENUSER, &exinfo, &sound);
    ERRCHECK(result);

    printf("========================================================================\n");
    printf("Record with realtime playback example.\n");
    printf("Copyright (c) Firelight Technologies 2004-2014.\n");
    printf("\n");
    printf("Try #define LOWLATENCY to reduce latency for more modern machines!\n");
    printf("========================================================================\n");
    printf("\n");
    printf("Press a key to start recording.  Playback will start %d samples (%d ms) later.\n", LATENCY, LATENCY * 1000 / RECORDRATE);
    printf("\n");

    _getch();

    printf("Press 'E' to toggle an effect on/off.\n");
    printf("Press 'Esc' to quit\n");
    printf("\n");

    result = system->recordStart(0, sound, true);
    ERRCHECK(result);

    result = sound->getLength(&soundlength, FMOD_TIMEUNIT_PCM);
    ERRCHECK(result);

    /*
        Create a DSP effect to play with.
    */
    result = system->createDSPByType(FMOD_DSP_TYPE_FLANGE, &dsp);
    ERRCHECK(result);
    result = dsp->setParameter(FMOD_DSP_FLANGE_RATE, 4.0f);
    ERRCHECK(result);
    result = dsp->setBypass(true);   
    ERRCHECK(result);
    
    adjustedlatency = LATENCY;  /* This might change depending on record block size. */
    
    /*
        Main loop.
    */
    do
    {
        static unsigned int lastrecordpos = 0, samplesrecorded = 0;
        unsigned int recordpos = 0, recorddelta;
        
        key = 0;
        if (_kbhit())
        {
            key = _getch();
        }

        if (key == 'e' || key == 'E')
        {
            bool bypass;
            dsp->getBypass(&bypass);
            dsp->setBypass(!bypass);
            if (bypass)
            {
                FMOD_REVERB_PROPERTIES prop = FMOD_PRESET_CONCERTHALL;
                system->setReverbProperties(&prop);
            }
            else
            {
                FMOD_REVERB_PROPERTIES prop = FMOD_PRESET_OFF;
                system->setReverbProperties(&prop);
            }
            printf("\n\n *** TURN DSP EFFECT %s ** \n\n", bypass ? "ON" : "OFF");
        }
        
        system->getRecordPosition(0, &recordpos);
        ERRCHECK(result);

        recorddelta = recordpos >= lastrecordpos ? recordpos - lastrecordpos : recordpos + soundlength - lastrecordpos;
        samplesrecorded += recorddelta;

		if (samplesrecorded >= adjustedlatency && !channel)
		{
		    result = system->playSound(FMOD_CHANNEL_FREE, sound, 0, &channel);
            ERRCHECK(result);
            
            result = channel->addDSP(dsp, 0);
            ERRCHECK(result);
		}
				
        if (channel && recorddelta)
        {
            unsigned int playrecorddelta;
            unsigned int playpos = 0;
            int adjusting = 0;
            float smootheddelta;
            float dampratio = 0.97f;
            static unsigned int minrecorddelta = (unsigned int)-1;
            
            /*
                If the record driver steps the position of the record cursor in larger increments than the user defined latency value, then we should
                increase our latency value to match.
            */
            if (recorddelta < minrecorddelta)
            {
                minrecorddelta = recorddelta;
                if (adjustedlatency < recorddelta)
                {
                    adjustedlatency = recorddelta;
                }
            }

            channel->getPosition(&playpos, FMOD_TIMEUNIT_PCM);

            playrecorddelta = recordpos >= playpos ? recordpos - playpos : recordpos + soundlength - playpos;
            
	        /*
                Smooth total
            */
            {
                static float total = 0;
                
                total = total * dampratio;
	            total += playrecorddelta;
	            smootheddelta = total * (1.0f - dampratio);
            }
           
            if (smootheddelta < adjustedlatency - DRIFTTHRESHOLD || smootheddelta > soundlength / 2)   /* if play cursor is catching up to record (or passed it), slow playback down */
            {
                channel->setFrequency(RECORDRATE - (RECORDRATE / 50)); /* Decrease speed by 2% */
                adjusting = 1;
            }
            else if (smootheddelta > adjustedlatency + DRIFTTHRESHOLD)   /* if play cursor is falling too far behind record, speed playback up */
            {
                channel->setFrequency(RECORDRATE + (RECORDRATE / 50)); /* Increase speed by 2% */
                adjusting = 2;
            }
            else
            {
                channel->setFrequency(RECORDRATE);          /* Otherwise set to normal rate */
                adjusting = 0;
            }
            
            printf("REC %5d (REC delta %5d) : PLAY %5d, PLAY/REC diff %5d %s\r", recordpos, recorddelta, playpos, (int)smootheddelta, adjusting == 1 ? "DECREASE SPEED" : adjusting == 2 ? "INCREASE SPEED" : "              ");
        }
        
        lastrecordpos = recordpos;
        
        system->update();

        Sleep(10);

    } while (key != 27);

    printf("\n");

    /*
        Shut down
    */
    result = sound->release();
    ERRCHECK(result);

    result = system->release();
    ERRCHECK(result);

    return 0;
}
Example #7
0
int main(int argc, char *argv[])
{
    FMOD::System     *system        = 0;
    FMOD::Sound      *sound         = 0;
    FMOD::Channel    *channel       = 0;
    FMOD::DSP        *dsplowpass    = 0;
    FMOD::DSP        *dsphighpass   = 0;
    FMOD::DSP        *dspecho       = 0;
    FMOD::DSP        *dspflange     = 0;
    FMOD::DSP        *dspdistortion = 0;
    FMOD::DSP        *dspchorus     = 0;
    FMOD::DSP        *dspparameq    = 0;
    FMOD_RESULT       result;
    int               key;
    unsigned int      version;

    /*
        Create a System object and initialize.
    */
    result = FMOD::System_Create(&system);
    ERRCHECK(result);

    result = system->getVersion(&version);
    ERRCHECK(result);

    if (version < FMOD_VERSION)
    {
        printf("Error!  You are using an old version of FMOD %08x.  This program requires %08x\n", version, FMOD_VERSION);
        return 0;
    }

    result = system->init(32, FMOD_INIT_NORMAL, 0);
    ERRCHECK(result);

    result = system->createSound("../media/drumloop.wav", FMOD_SOFTWARE, 0, &sound);
    ERRCHECK(result);

    printf("=================================================================\n");
    printf("Effects Example.  Copyright (c) Firelight Technologies 2004-2011.\n");
    printf("=================================================================\n");
    printf("\n");
    printf("Press SPACE to paused/unpause sound.\n");
    printf("Press 1 to toggle dsplowpass effect.\n");
    printf("Press 2 to toggle dsphighpass effect.\n");
    printf("Press 3 to toggle dspecho effect.\n");
    printf("Press 4 to toggle dspflange effect.\n");
    printf("Press 5 to toggle dspdistortion effect.\n");
    printf("Press 6 to toggle dspchorus effect.\n");
    printf("Press 7 to toggle dspparameq effect.\n");
    printf("Press 'Esc' to quit\n");
    printf("\n");

    result = system->playSound(FMOD_CHANNEL_FREE, sound, false, &channel);
    ERRCHECK(result);

    /*
        Create some effects to play with.
    */
    result = system->createDSPByType(FMOD_DSP_TYPE_LOWPASS, &dsplowpass);
    ERRCHECK(result);
    result = system->createDSPByType(FMOD_DSP_TYPE_HIGHPASS, &dsphighpass);
    ERRCHECK(result);
    result = system->createDSPByType(FMOD_DSP_TYPE_ECHO, &dspecho);
    ERRCHECK(result);
    result = system->createDSPByType(FMOD_DSP_TYPE_FLANGE, &dspflange);
    ERRCHECK(result);
    result = system->createDSPByType(FMOD_DSP_TYPE_DISTORTION, &dspdistortion);
    ERRCHECK(result);
    result = system->createDSPByType(FMOD_DSP_TYPE_CHORUS, &dspchorus);
    ERRCHECK(result);
    result = system->createDSPByType(FMOD_DSP_TYPE_PARAMEQ, &dspparameq);
    ERRCHECK(result);

    /*
        Main loop.
    */
    do
    {
        if (kbhit())
        {
            key = getch();

            switch (key)
            {
                case ' ' :
                {
                    bool paused;

                    channel->getPaused(&paused);
                    ERRCHECK(result);

                    paused = !paused;

                    result = channel->setPaused(paused);
                    ERRCHECK(result);
                    break;
                }
                case '1' :
                {
                    bool active;

                    result = dsplowpass->getActive(&active);
                    ERRCHECK(result);

                    if (active)
                    {
                        result = dsplowpass->remove();
                        ERRCHECK(result);
                    }
                    else
                    {
                        result = system->addDSP(dsplowpass, 0);
                        ERRCHECK(result);
                    }
                    break;
                }
                case '2' :
                {
                    bool active;

                    result = dsphighpass->getActive(&active);
                    ERRCHECK(result);

                    if (active)
                    {
                        result = dsphighpass->remove();
                        ERRCHECK(result);
                    }
                    else
                    {
                        result = system->addDSP(dsphighpass, 0);
                        ERRCHECK(result);
                    }
                    break;
                }
                case '3' :
                {
                    bool active;

                    result = dspecho->getActive(&active);
                    ERRCHECK(result);

                    if (active)
                    {
                        result = dspecho->remove();
                        ERRCHECK(result);
                    }
                    else
                    {
                        result = system->addDSP(dspecho, 0);
                        ERRCHECK(result);

                        result = dspecho->setParameter(FMOD_DSP_ECHO_DELAY, 50.0f);
                        ERRCHECK(result);
                    }
                    break;
                }
                case '4' :
                {
                    bool active;

                    result = dspflange->getActive(&active);
                    ERRCHECK(result);

                    if (active)
                    {
                        result = dspflange->remove();
                        ERRCHECK(result);
                    }
                    else
                    {
                        result = system->addDSP(dspflange, 0);
                        ERRCHECK(result);
                    }
                    break;
                }
                case '5' :
                {
                    bool active;

                    result = dspdistortion->getActive(&active);
                    ERRCHECK(result);

                    if (active)
                    {
                        result = dspdistortion->remove();
                        ERRCHECK(result);
                    }
                    else
                    {
                        result = system->addDSP(dspdistortion, 0);
                        ERRCHECK(result);

                        result = dspdistortion->setParameter(FMOD_DSP_DISTORTION_LEVEL, 0.8f);
                        ERRCHECK(result);
                    }
                    break;
                }
                case '6' :
                {
                    bool active;

                    result = dspchorus->getActive(&active);
                    ERRCHECK(result);

                    if (active)
                    {
                        result = dspchorus->remove();
                        ERRCHECK(result);
                    }
                    else
                    {
                        result = system->addDSP(dspchorus, 0);
                        ERRCHECK(result);
                    }
                    break;
                }
                case '7' :
                {
                    bool active;

                    result = dspparameq->getActive(&active);
                    ERRCHECK(result);

                    if (active)
                    {
                        result = dspparameq->remove();
                        ERRCHECK(result);
                    }
                    else
                    {
                        result = system->addDSP(dspparameq, 0);
                        ERRCHECK(result);

                        result = dspparameq->setParameter(FMOD_DSP_PARAMEQ_CENTER, 5000.0f);
                        ERRCHECK(result);
                        result = dspparameq->setParameter(FMOD_DSP_PARAMEQ_GAIN, 0.0f);
                        ERRCHECK(result);
                    }
                    break;
                }
            }
        }

        system->update();

        {
            bool paused = 0;
            bool dsplowpass_active;
            bool dsphighpass_active;
            bool dspecho_active;
            bool dspflange_active;
            bool dspdistortion_active;
            bool dspchorus_active;
            bool dspparameq_active;

            dsplowpass   ->getActive(&dsplowpass_active);
            dsphighpass  ->getActive(&dsphighpass_active);
            dspecho      ->getActive(&dspecho_active);
            dspflange    ->getActive(&dspflange_active);
            dspdistortion->getActive(&dspdistortion_active);
            dspchorus    ->getActive(&dspchorus_active);
            dspparameq   ->getActive(&dspparameq_active);

            if (channel)
            {
                result = channel->getPaused(&paused);
                if ((result != FMOD_OK) && (result != FMOD_ERR_INVALID_HANDLE) && (result != FMOD_ERR_CHANNEL_STOLEN))
                {
                    ERRCHECK(result);
                }
            }

            printf("%s : lowpass[%c] highpass[%c] echo[%c] flange[%c] dist[%c] chorus[%c] parameq[%c]\r", 
                    paused ? "Paused " : "Playing",
                    dsplowpass_active ? 'x' : ' ',
                    dsphighpass_active ? 'x' : ' ',
                    dspecho_active ? 'x' : ' ',
                    dspflange_active ? 'x' : ' ',
                    dspdistortion_active ? 'x' : ' ',
                    dspchorus_active ? 'x' : ' ',
                    dspparameq_active ? 'x' : ' ');
            fflush(stdout);
        }

        Sleep(10);

    } while (key != 27);

    printf("\n");

    /*
        Shut down
    */
    result = sound->release();
    ERRCHECK(result);
    result = system->close();
    ERRCHECK(result);
    result = system->release();
    ERRCHECK(result);

    return 0;
}
Example #8
0
int main(int argc, char *argv[])
{
    FMOD::System       *system;
    FMOD::Sound        *sound[5];
    FMOD::Channel      *channel[5];
    FMOD::ChannelGroup *groupA, *groupB, *masterGroup;
    FMOD::DSP          *dspreverb, *dspflange, *dsplowpass;
    FMOD_RESULT         result;
    int                 key, count;
    unsigned int        version;

    /*
        Create a System object and initialize.
    */
    result = FMOD::System_Create(&system);
    ERRCHECK(result);

    result = system->getVersion(&version);
    ERRCHECK(result);

    if (version < FMOD_VERSION)
    {
        printf("Error!  You are using an old version of FMOD %08x.  This program requires %08x\n", version, FMOD_VERSION);
        return 0;
    }

    result = system->init(32, FMOD_INIT_NORMAL, 0);
    ERRCHECK(result);

    result = system->createSound("../media/drumloop.wav", FMOD_SOFTWARE | FMOD_LOOP_NORMAL, 0, &sound[0]);
    ERRCHECK(result);
    result = system->createSound("../media/jaguar.wav", FMOD_SOFTWARE | FMOD_LOOP_NORMAL, 0, &sound[1]);
    ERRCHECK(result);
    result = system->createSound("../media/c.ogg", FMOD_SOFTWARE | FMOD_LOOP_NORMAL, 0, &sound[2]);
    ERRCHECK(result);
    result = system->createSound("../media/d.ogg", FMOD_SOFTWARE | FMOD_LOOP_NORMAL, 0, &sound[3]);
    ERRCHECK(result);
    result = system->createSound("../media/e.ogg", FMOD_SOFTWARE | FMOD_LOOP_NORMAL, 0, &sound[4]);
    ERRCHECK(result);

    result = system->createChannelGroup("Group A", &groupA);
    ERRCHECK(result);

    result = system->createChannelGroup("Group B", &groupB);
    ERRCHECK(result);

    result = system->getMasterChannelGroup(&masterGroup);
    ERRCHECK(result);

    result = masterGroup->addGroup(groupA);
    ERRCHECK(result);

    result = masterGroup->addGroup(groupB);
    ERRCHECK(result);

    printf("======================================================================\n");
    printf("Sub-mixing example.  Copyright (c) Firelight Technologies 2004-2014.\n");
    printf("======================================================================\n");
    printf("                                                       (drumloop.wav) \n");
    printf("                                                      /               \n");
    printf("                                              (groupA)                \n");
    printf("                                     (reverb)/        \\               \n");
    printf("                                    /                  (jaguar.wav)   \n");
    printf("(soundcard)--(lowpass)--(mastergroup)                                  \n");
    printf("                                    \\                  (c.ogg)        \n");
    printf("                                     (flange)         /                \n");
    printf("                                             \\(groupB)--(d.ogg)       \n");
    printf("                                                      \\               \n");
    printf("                                                       (e.ogg)        \n");
    printf("Press 'A' to mute/unmute group A\n");
    printf("Press 'B' to mute/unmute group B\n");
    printf("\n");
    printf("Press 'R' to place reverb on group A\n");
    printf("Press 'F' to place flange on group B\n");
    printf("Press 'L' to place lowpass on master group (everything)\n");
    printf("Press 'Esc' to quit\n");
    printf("\n");

    /*
        Start all the sounds!
    */
    for (count = 0; count < 5; count++)
    {
        result = system->playSound(FMOD_CHANNEL_FREE, sound[count], true, &channel[count]);
        ERRCHECK(result);
        if (count < 2)
        {
            result = channel[count]->setChannelGroup(groupA);
        }
        else
        {
            result = channel[count]->setChannelGroup(groupB);
        }
        ERRCHECK(result);
        result = channel[count]->setPaused(false);
        ERRCHECK(result);
    }

    /*
        Create the DSP effects we want to apply to our submixes.
    */
    result = system->createDSPByType(FMOD_DSP_TYPE_SFXREVERB, &dspreverb);
    ERRCHECK(result);

    result = system->createDSPByType(FMOD_DSP_TYPE_FLANGE, &dspflange);
    ERRCHECK(result);
    result = dspflange->setParameter(FMOD_DSP_FLANGE_RATE, 1.0f);
    ERRCHECK(result);

    result = system->createDSPByType(FMOD_DSP_TYPE_LOWPASS, &dsplowpass);
    ERRCHECK(result);
    result = dsplowpass->setParameter(FMOD_DSP_LOWPASS_CUTOFF, 500.0f);
    ERRCHECK(result);

    /*
        Main loop.
    */
    do
    {
        if (kbhit())
        {
            key = getch();

            switch (key)
            {
            case 'a' :
            case 'A' :
            {
                static bool mute = true;

                groupA->setMute(mute);

                mute = !mute;
                break;
            }
            case 'b' :
            case 'B' :
            {
                static bool mute = true;

                groupB->setMute(mute);

                mute = !mute;
                break;
            }
            case 'r' :
            case 'R' :
            {
                static bool reverb = true;

                if (reverb)
                {
                    groupA->addDSP(dspreverb, 0);
                }
                else
                {
                    dspreverb->remove();
                }

                reverb = !reverb;
                break;
            }
            case 'f' :
            case 'F' :
            {
                static bool flange = true;

                if (flange)
                {
                    groupB->addDSP(dspflange, 0);
                }
                else
                {
                    dspflange->remove();
                }

                flange = !flange;
                break;
            }
            case 'l' :
            case 'L' :
            {
                static bool lowpass = true;

                if (lowpass)
                {
                    masterGroup->addDSP(dsplowpass, 0);
                }
                else
                {
                    dsplowpass->remove();
                }

                lowpass = !lowpass;
                break;
            }
            }
        }

        system->update();

        {
            int  channelsplaying = 0;

            system->getChannelsPlaying(&channelsplaying);

            printf("Channels Playing %2d\r", channelsplaying);
        }

        fflush(stdout);
        Sleep(10);

    } while (key != 27);

    printf("\n");

    /*
        Shut down
    */
    for (count = 0; count < 5; count++)
    {
        result = sound[count]->release();
        ERRCHECK(result);
    }

    result = dspreverb->release();
    ERRCHECK(result);
    result = dspflange->release();
    ERRCHECK(result);
    result = dsplowpass->release();
    ERRCHECK(result);

    result = groupA->release();
    ERRCHECK(result);
    result = groupB->release();
    ERRCHECK(result);

    result = system->close();
    ERRCHECK(result);
    result = system->release();
    ERRCHECK(result);

    return 0;
}
Example #9
0
int main(int argc, char *argv[])
{
    FMOD::System    *system;
    FMOD::Channel   *channel = 0;
    FMOD::DSP       *dsp     = 0;
    FMOD_RESULT      result;
    int              key;
    unsigned int     version;

    /*
        Create a System object and initialize.
    */
    result = FMOD::System_Create(&system);
    ERRCHECK(result);

    result = system->getVersion(&version);
    ERRCHECK(result);

    if (version < FMOD_VERSION)
    {
        printf("Error!  You are using an old version of FMOD %08x.  This program requires %08x\n", version, FMOD_VERSION);
        getch();
        return 0;
    }

    result = system->init(32, FMOD_INIT_NORMAL, 0);
    ERRCHECK(result);

    /*
        Create an oscillator DSP unit for the tone.
    */
    result = system->createDSPByType(FMOD_DSP_TYPE_OSCILLATOR, &dsp);
    ERRCHECK(result);
    result = dsp->setParameter(FMOD_DSP_OSCILLATOR_RATE, 440.0f);
    ERRCHECK(result);

    printf("======================================================================\n");
    printf("GenerateTone Example.  Copyright (c) Firelight Technologies 2004-2011.\n");
    printf("======================================================================\n\n");
    printf("\n");
    printf("Press '1' to play a sine wave\n");
    printf("Press '2' to play a square wave\n");
    printf("Press '3' to play a triangle wave\n");
    printf("Press '4' to play a saw wave\n");
    printf("Press '5' to play a white noise\n");
    printf("Press 's' to stop channel\n");
    printf("\n");
    printf("Press 'v'/'V' to change channel volume\n");
    printf("Press 'f'/'F' to change channel frequency\n");
    printf("Press '['/']' to change channel pan\n");
    printf("Press 'Esc' to quit\n");
    printf("\n");

    /*
        Main loop
    */
    do
    {
        if (kbhit())
        {
            key = getch();

            switch (key)
            {
                case '1' :
                {
                    result = system->playDSP(FMOD_CHANNEL_REUSE, dsp, true, &channel);

                    channel->setVolume(0.5f);
                    result = dsp->setParameter(FMOD_DSP_OSCILLATOR_TYPE, 0);
                    ERRCHECK(result);
                    channel->setPaused(false);
                    break;
                }
                case '2' :
                {
                    result = system->playDSP(FMOD_CHANNEL_REUSE, dsp, true, &channel);

                    channel->setVolume(0.125f);
                    result = dsp->setParameter(FMOD_DSP_OSCILLATOR_TYPE, 1);
                    ERRCHECK(result);
                    channel->setPaused(false);
                    break;
                }
                case '3' :
                {
                    result = system->playDSP(FMOD_CHANNEL_REUSE, dsp, true, &channel);

                    channel->setVolume(0.5f);
                    result = dsp->setParameter(FMOD_DSP_OSCILLATOR_TYPE, 2);
                    ERRCHECK(result);
                    channel->setPaused(false);
                    break;
                }
                case '4' :
                {
                    result = system->playDSP(FMOD_CHANNEL_REUSE, dsp, true, &channel);

                    channel->setVolume(0.125f);
                    result = dsp->setParameter(FMOD_DSP_OSCILLATOR_TYPE, 4);
                    ERRCHECK(result);
                    channel->setPaused(false);
                    break;
                }
                case '5' :
                {
                    result = system->playDSP(FMOD_CHANNEL_REUSE, dsp, true, &channel);

                    channel->setVolume(0.25f);
                    result = dsp->setParameter(FMOD_DSP_OSCILLATOR_TYPE, 5);
                    ERRCHECK(result);
                    channel->setPaused(false);
                    break;
                }
                case 's' :
                {
                    channel->stop();
                    break;
                }
                case 'v' :
                {
                    float volume;

                    channel->getVolume(&volume);
                    volume -= 0.1f;
                    channel->setVolume(volume);
                    break;
                }
                case 'V' :
                {
                    float volume;

                    channel->getVolume(&volume);
                    volume += 0.1f;
                    channel->setVolume(volume);
                    break;
                }
                case 'f' :
                {
                    float frequency;

                    channel->getFrequency(&frequency);
                    frequency -= 500.0f;
                    channel->setFrequency(frequency);
                    break;
                }
                case 'F' :
                {
                    float frequency;

                    channel->getFrequency(&frequency);
                    frequency += 500.0f;
                    channel->setFrequency(frequency);
                    break;
                }
                case '[' :
                {
                    float pan;

                    channel->getPan(&pan);
                    pan -= 0.1f;
                    channel->setPan(pan);
                    break;
                }
                case ']' :
                {
                    float pan;

                    channel->getPan(&pan);
                    pan += 0.1f;
                    channel->setPan(pan);
                    break;
                }
            }
        }

        system->update();

        {
            float frequency = 0, volume = 0, pan = 0;
            bool playing = false;

            if (channel)
            {
                channel->getFrequency(&frequency);
                channel->getVolume(&volume);
                channel->getPan(&pan);
                channel->isPlaying(&playing);
            }

            printf("Channel %s : Frequency %.1f Volume %.1f Pan %.1f  \r", playing ? "playing" : "stopped", frequency, volume, pan);
            fflush(stdout);
        }
        
        Sleep(10);

    } while (key != 27);

    printf("\n");

    /*
        Shut down
    */
    result = dsp->release();
    ERRCHECK(result);
    result = system->close();
    ERRCHECK(result);
    result = system->release();
    ERRCHECK(result);

    return 0;
}