//Frees an effect from the memory
GMexport double FMODGMS_Effect_Remove(double e)
{
int effectIndex = (int)round(e);
if ((effectIndex < 0) || (effectIndex >= (int)effectList.size()))
{
errorMessage = "Invalid effect index";
return GMS_error;
}
FMOD::DSP* effect = effectList[effectIndex];
if (effect->release() == FMOD_OK)
{
effectList[effectIndex] = NULL;
return FMODGMS_Util_ErrorChecker();
}
errorMessage = "Could not remove effect, is it still attached to some audio?";
return GMS_error;
}
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::Sound *sound;
FMOD::Channel *channel;
FMOD::DSP *mydsp;
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("Custom DSP example. Copyright (c) Firelight Technologies 2004-2011.\n");
printf("===============================================================================\n");
printf("Press 'f' to activate, deactivate user filter\n");
printf("Press 'Esc' to quit\n");
printf("\n");
result = system->playSound(FMOD_CHANNEL_FREE, sound, false, &channel);
ERRCHECK(result);
/*
Create the DSP effects.
*/
{
FMOD_DSP_DESCRIPTION dspdesc;
memset(&dspdesc, 0, sizeof(FMOD_DSP_DESCRIPTION));
strcpy(dspdesc.name, "My first DSP unit");
dspdesc.channels = 0; // 0 = whatever comes in, else specify.
dspdesc.read = myDSPCallback;
dspdesc.userdata = (void *)0x12345678;
result = system->createDSP(&dspdesc, &mydsp);
ERRCHECK(result);
}
/*
Inactive by default.
*/
mydsp->setBypass(true);
/*
Main loop.
*/
result = system->addDSP(mydsp, 0);
/*
Main loop.
*/
do
{
if (kbhit())
{
key = getch();
switch (key)
{
case 'f' :
case 'F' :
{
static bool active = false;
mydsp->setBypass(active);
active = !active;
break;
}
}
}
system->update();
Sleep(10);
} while (key != 27);
printf("\n");
/*
Shut down
*/
result = sound->release();
ERRCHECK(result);
result = mydsp->release();
ERRCHECK(result);
result = system->close();
ERRCHECK(result);
result = system->release();
ERRCHECK(result);
return 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;
}
int FMOD_Main()
{
FMOD::System *system;
FMOD::Sound *sound;
FMOD::Channel *channel;
FMOD::DSP *mydsp;
FMOD::ChannelGroup *mastergroup;
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->createSound(Common_MediaPath("drumloop.wav"), FMOD_SOFTWARE | FMOD_LOOP_NORMAL, 0, &sound);
ERRCHECK(result);
result = system->playSound(sound, 0, false, &channel);
ERRCHECK(result);
/*
Create the DSP effect.
*/
{
FMOD_DSP_DESCRIPTION dspdesc;
memset(&dspdesc, 0, sizeof(dspdesc));
strncpy(dspdesc.name, "My first DSP unit", sizeof(dspdesc.name));
dspdesc.version = 0x00010000;
dspdesc.numinputbuffers = 1;
dspdesc.numoutputbuffers = 1;
dspdesc.read = myDSPCallback;
dspdesc.userdata = (void *)0x12345678;
result = system->createDSP(&dspdesc, &mydsp);
ERRCHECK(result);
}
/*
Attach the DSP, inactive by default.
*/
result = mydsp->setBypass(true);
ERRCHECK(result);
result = system->getMasterChannelGroup(&mastergroup);
ERRCHECK(result);
result = mastergroup->addDSP(0, mydsp, 0);
ERRCHECK(result);
/*
Main loop.
*/
do
{
bool bypass;
Common_Update();
result = mydsp->getBypass(&bypass);
ERRCHECK(result);
if (Common_BtnPress(BTN_ACTION1))
{
bypass = !bypass;
result = mydsp->setBypass(bypass);
ERRCHECK(result);
}
result = system->update();
ERRCHECK(result);
Common_Draw("==================================================");
Common_Draw("Custom DSP Example.");
Common_Draw("Copyright (c) Firelight Technologies 2004-2014.");
Common_Draw("==================================================");
Common_Draw("");
Common_Draw("Press %s to toggle filter bypass", Common_BtnStr(BTN_ACTION1));
Common_Draw("Press %s to quit", Common_BtnStr(BTN_QUIT));
Common_Draw("");
Common_Draw("Filter is %s", bypass ? "inactive" : "active");
Common_Sleep(50);
} while (!Common_BtnPress(BTN_QUIT));
/*
Shut down
*/
result = sound->release();
ERRCHECK(result);
result = mastergroup->removeDSP(mydsp);
ERRCHECK(result);
result = mydsp->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;
}
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;
}