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 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;
}
