int main(int argc, char *argv[])
{
FMOD::System *system;
FMOD::Sound *sound1, *sound2, *sound3;
FMOD::Channel *channel1 = 0, *channel2 = 0, *channel3 = 0;
FMOD_RESULT result;
int key, numdrivers;
bool listenerflag = true;
FMOD_VECTOR listenerpos = { 0.0f, 0.0f, -1.0f * DISTANCEFACTOR };
unsigned int version;
FMOD_SPEAKERMODE speakermode;
FMOD_CAPS caps;
char name[256];
printf("===============================================================\n");
printf("3d Example. Copyright (c) Firelight Technologies 2004-2015.\n");
printf("===============================================================\n");
printf("This example plays 2 3D sounds in hardware. Optionally you can\n");
printf("play a 2D hardware sound as well.\n");
printf("===============================================================\n\n");
/*
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->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);
}
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);
}
/*
Set the distance units. (meters/feet etc).
*/
result = system->set3DSettings(1.0, DISTANCEFACTOR, 1.0f);
ERRCHECK(result);
/*
Load some sounds
*/
result = system->createSound("../media/drumloop.wav", FMOD_3D, 0, &sound1);
ERRCHECK(result);
result = sound1->set3DMinMaxDistance(0.5f * DISTANCEFACTOR, 5000.0f * DISTANCEFACTOR);
ERRCHECK(result);
result = sound1->setMode(FMOD_LOOP_NORMAL);
ERRCHECK(result);
result = system->createSound("../media/jaguar.wav", FMOD_3D, 0, &sound2);
ERRCHECK(result);
result = sound2->set3DMinMaxDistance(0.5f * DISTANCEFACTOR, 5000.0f * DISTANCEFACTOR);
ERRCHECK(result);
result = sound2->setMode(FMOD_LOOP_NORMAL);
ERRCHECK(result);
result = system->createSound("../media/swish.wav", FMOD_SOFTWARE | FMOD_2D, 0, &sound3);
ERRCHECK(result);
/*
Play sounds at certain positions
*/
{
FMOD_VECTOR pos = { -10.0f * DISTANCEFACTOR, 0.0f, 0.0f };
FMOD_VECTOR vel = { 0.0f, 0.0f, 0.0f };
result = system->playSound(FMOD_CHANNEL_FREE, sound1, true, &channel1);
ERRCHECK(result);
result = channel1->set3DAttributes(&pos, &vel);
ERRCHECK(result);
result = channel1->setPaused(false);
ERRCHECK(result);
}
{
FMOD_VECTOR pos = { 15.0f * DISTANCEFACTOR, 0.0f, 0.0f };
FMOD_VECTOR vel = { 0.0f, 0.0f, 0.0f };
result = system->playSound(FMOD_CHANNEL_FREE, sound2, true, &channel2);
ERRCHECK(result);
result = channel2->set3DAttributes(&pos, &vel);
ERRCHECK(result);
result = channel2->setPaused(false);
ERRCHECK(result);
}
/*
Display help
*/
{
int numchannels;
result = system->getHardwareChannels(&numchannels);
ERRCHECK(result);
printf("Hardware channels : %d\n", numchannels);
}
printf("=========================================================================\n");
printf("Press 1 Pause/Unpause 16bit 3D sound at any time\n");
printf(" 2 Pause/Unpause 8bit 3D sound at any time\n");
printf(" 3 Play 16bit STEREO 2D sound at any time\n");
printf(" < Move listener left (in still mode)\n");
printf(" > Move listener right (in still mode)\n");
printf(" SPACE Stop/Start listener automatic movement\n");
printf(" ESC Quit\n");
printf("=========================================================================\n");
/*
Main loop
*/
do
{
if (_kbhit())
{
key = _getch();
if (key == '1')
{
bool paused;
channel1->getPaused(&paused);
channel1->setPaused(!paused);
}
if (key == '2')
{
bool paused;
channel2->getPaused(&paused);
channel2->setPaused(!paused);
}
if (key == '3')
{
result = system->playSound(FMOD_CHANNEL_FREE, sound3, false, &channel3);
ERRCHECK(result);
}
if (key == ' ')
{
listenerflag = !listenerflag;
}
if (!listenerflag)
{
if (key == '<')
{
listenerpos.x -= 1.0f * DISTANCEFACTOR;
if (listenerpos.x < -35 * DISTANCEFACTOR)
{
listenerpos.x = -35 * DISTANCEFACTOR;
}
}
if (key == '>')
{
listenerpos.x += 1.0f * DISTANCEFACTOR;
if (listenerpos.x > 36 * DISTANCEFACTOR)
{
listenerpos.x = 36 * DISTANCEFACTOR;
}
}
}
}
// ==========================================================================================
// UPDATE THE LISTENER
// ==========================================================================================
{
static float t = 0;
static FMOD_VECTOR lastpos = { 0.0f, 0.0f, 0.0f };
FMOD_VECTOR forward = { 0.0f, 0.0f, 1.0f };
FMOD_VECTOR up = { 0.0f, 1.0f, 0.0f };
FMOD_VECTOR vel;
if (listenerflag)
{
listenerpos.x = (float)sin(t * 0.05f) * 33.0f * DISTANCEFACTOR; // left right pingpong
}
// ********* NOTE ******* READ NEXT COMMENT!!!!!
// vel = how far we moved last FRAME (m/f), then time compensate it to SECONDS (m/s).
vel.x = (listenerpos.x - lastpos.x) * (1000 / INTERFACE_UPDATETIME);
vel.y = (listenerpos.y - lastpos.y) * (1000 / INTERFACE_UPDATETIME);
vel.z = (listenerpos.z - lastpos.z) * (1000 / INTERFACE_UPDATETIME);
// store pos for next time
lastpos = listenerpos;
result = system->set3DListenerAttributes(0, &listenerpos, &vel, &forward, &up);
ERRCHECK(result);
t += (30 * (1.0f / (float)INTERFACE_UPDATETIME)); // t is just a time value .. it increments in 30m/s steps in this example
// print out a small visual display
{
char s[80];
sprintf(s, "|.......................<1>......................<2>....................|");
s[(int)(listenerpos.x / DISTANCEFACTOR) + 35] = 'L';
printf("%s\r", s);
}
}
system->update();
Sleep(INTERFACE_UPDATETIME - 1);
} while (key != 27);
printf("\n");
/*
Shut down
*/
result = sound1->release();
ERRCHECK(result);
result = sound2->release();
ERRCHECK(result);
result = sound3->release();
ERRCHECK(result);
result = system->close();
ERRCHECK(result);
result = system->release();
ERRCHECK(result);
return 0;
}
int main()
{
// ================================================================================================
// Application-independent initialization
// ================================================================================================
FMOD::System *system;
FMOD_RESULT result;
unsigned int version;
int numDrivers;
FMOD_SPEAKERMODE speakerMode;
FMOD_CAPS caps;
char name[256];
// Create FMOD interface object
result = FMOD::System_Create(&system);
FMODErrorCheck(result);
// Check version
result = system->getVersion(&version);
FMODErrorCheck(result);
if (version < FMOD_VERSION)
{
std::cout << "Error! You are using an old version of FMOD " << version << ". This program requires " << FMOD_VERSION << std::endl;
return 0;
}
// Get number of sound cards
result = system->getNumDrivers(&numDrivers);
FMODErrorCheck(result);
// No sound cards (disable sound)
if (numDrivers == 0)
{
result = system->setOutput(FMOD_OUTPUTTYPE_NOSOUND);
FMODErrorCheck(result);
}
// At least one sound card
else
{
// Get the capabilities of the default (0) sound card
result = system->getDriverCaps(0, &caps, 0, &speakerMode);
FMODErrorCheck(result);
// Set the speaker mode to match that in Control Panel
result = system->setSpeakerMode(speakerMode);
FMODErrorCheck(result);
// Increase buffer size if user has Acceleration slider set to off
if (caps & FMOD_CAPS_HARDWARE_EMULATED)
{
result = system->setDSPBufferSize(1024, 10);
FMODErrorCheck(result);
}
// Get name of driver
result = system->getDriverInfo(0, name, 256, 0);
FMODErrorCheck(result);
// SigmaTel sound devices crackle for some reason if the format is PCM 16-bit.
// PCM floating point output seems to solve it.
if (strstr(name, "SigmaTel"))
{
result = system->setSoftwareFormat(48000, FMOD_SOUND_FORMAT_PCMFLOAT, 0, 0, FMOD_DSP_RESAMPLER_LINEAR);
FMODErrorCheck(result);
}
}
// Initialise FMOD
result = system->init(100, FMOD_INIT_NORMAL, 0);
// If the selected speaker mode isn't supported by this sound card, switch it back to stereo
if (result == FMOD_ERR_OUTPUT_CREATEBUFFER)
{
result = system->setSpeakerMode(FMOD_SPEAKERMODE_STEREO);
FMODErrorCheck(result);
result = system->init(100, FMOD_INIT_NORMAL, 0);
}
FMODErrorCheck(result);
// ================================================================================================
// Application-specific code
// ================================================================================================
bool quit = false;
bool fading = false;
int fadeLength = 3000;
int fadeStartTick;
// Open music as a stream
FMOD::Sound *song1, *song2, *effect;
result = system->createStream("Song1.mp3", FMOD_DEFAULT, 0, &song1);
FMODErrorCheck(result);
result = system->createStream("Song2.mp3", FMOD_DEFAULT, 0, &song2);
FMODErrorCheck(result);
// Load sound effects into memory (not streaming)
result = system->createSound("Effect.mp3", FMOD_DEFAULT, 0, &effect);
FMODErrorCheck(result);
// Assign each song to a channel and start them paused
FMOD::Channel *channel1, *channel2;
result = system->playSound(FMOD_CHANNEL_FREE, song1, true, &channel1);
FMODErrorCheck(result);
result = system->playSound(FMOD_CHANNEL_FREE, song2, true, &channel2);
FMODErrorCheck(result);
// Songs should repeat forever
channel1->setLoopCount(-1);
channel2->setLoopCount(-1);
// Print instructions
std::cout <<
"FMOD Simple Demo - (c) Katy Coe 2012 - www.djkaty.com" << std::endl <<
"=====================================================" << std::endl << std::endl <<
"Press:" << std::endl << std::endl <<
" 1 - Toggle song 1 pause on/off" << std::endl <<
" 2 - Toggle song 2 pause on/off" << std::endl <<
" F - Fade from song 1 to song 2" << std::endl <<
" S - Play one-shot sound effect" << std::endl <<
" Q - Quit" << std::endl;
while (!quit)
{
// Per-frame FMOD update
FMODErrorCheck(system->update());
// Q - Quit
if (GetAsyncKeyState('Q'))
quit = true;
// 1 - Toggle song 1 pause state
if (GetAsyncKeyState('1'))
{
bool isPaused;
channel1->getPaused(&isPaused);
channel1->setPaused(!isPaused);
while (GetAsyncKeyState('1'));
}
// 2 - Toggle song 2 pause state
if (GetAsyncKeyState('2'))
{
bool isPaused;
channel2->getPaused(&isPaused);
channel2->setPaused(!isPaused);
while (GetAsyncKeyState('2'));
}
// F - Begin fade from song 1 to song 2
if (GetAsyncKeyState('F'))
{
channel1->setVolume(1.0f);
channel2->setVolume(0.0f);
channel1->setPaused(false);
channel2->setPaused(false);
fading = true;
fadeStartTick = GetTickCount();
while (GetAsyncKeyState('F'));
}
// Play one-shot sound effect (without storing channel handle)
if (GetAsyncKeyState('S'))
{
system->playSound(FMOD_CHANNEL_FREE, effect, false, 0);
while (GetAsyncKeyState('S'));
}
// Fade function if fade is in progress
if (fading)
{
// Get volume from 0.0f - 1.0f depending on number of milliseconds elapsed since fade started
float volume = min(static_cast<float>(GetTickCount() - fadeStartTick) / fadeLength, 1.0f);
// Fade is over if song 2 has reached full volume
if (volume == 1.0f)
{
fading = false;
channel1->setPaused(true);
channel1->setVolume(1.0f);
}
// Translate linear volume into a smooth sine-squared fade effect
volume = static_cast<float>(sin(volume * M_PI / 2));
volume *= volume;
// Fade song 1 out and song 2 in
channel1->setVolume(1.0f - volume);
channel2->setVolume(volume);
}
}
// Free resources
FMODErrorCheck(song1->release());
FMODErrorCheck(song2->release());
FMODErrorCheck(effect->release());
FMODErrorCheck(system->release());
}
int main(int argc, char *argv[])
{
FMOD::System *system;
FMOD::Sound *sound1, *sound2;
FMOD::Channel *channel = 0;
FMOD_RESULT result;
FMOD_SPEAKERMODE speakermode;
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;
}
/*
Choose the speaker mode selected by the Windows control panel.
*/
result = system->getDriverCaps(0, 0, 0, &speakermode);
ERRCHECK(result);
result = system->setSpeakerMode(speakermode);
ERRCHECK(result);
result = system->init(32, FMOD_INIT_NORMAL, 0);
ERRCHECK(result);
result = system->createSound("../media/drumloop.wav", FMOD_SOFTWARE | FMOD_2D, 0, &sound1);
ERRCHECK(result);
result = sound1->setMode(FMOD_LOOP_OFF);
ERRCHECK(result);
result = system->createSound("../media/stereo.ogg", FMOD_SOFTWARE | FMOD_2D, 0, &sound2);
ERRCHECK(result);
printf("==============================================================================\n");
printf("Multi Speaker Output Example. Copyright (c) Firelight Technologies 2004-2014.\n");
printf("==============================================================================\n");
printf("\n");
switch (speakermode)
{
case FMOD_SPEAKERMODE_MONO :
{
printf("Using control panel speaker mode : MONO.\n");
printf("\n");
printf("Note! This output mode is very limited in its capability.\n");
printf("Most functionality of this demo is only realized with at least FMOD_SPEAKERMODE_QUAD\n");
printf("and above.\n");
break;
}
case FMOD_SPEAKERMODE_STEREO :
{
printf("Using control panel speaker mode : STEREO.\n");
printf("\n");
printf("Note! This output mode is very limited in its capability.\n");
printf("Most functionality of this demo is only realized with FMOD_SPEAKERMODE_QUAD\n");
printf("and above.\n");
break;
}
case FMOD_SPEAKERMODE_QUAD :
{
printf("Using control panel speaker mode : QUAD.\n");
printf("Side left, side right, center and subwoofer mix will be disabled.\n");
break;
}
case FMOD_SPEAKERMODE_SURROUND :
{
printf("Using control panel speaker mode : SURROUND.\n");
printf("Side left, side right and subwoofer mix will be disabled.\n");
break;
}
case FMOD_SPEAKERMODE_5POINT1 :
{
printf("Using control panel speaker mode : 5.1 surround.\n");
printf("Side left and right mix will be disabled..\n");
break;
}
case FMOD_SPEAKERMODE_7POINT1 :
{
printf("Using control panel speaker mode : 7.1 surround.\n");
printf("Full capability.\n");
break;
}
};
printf("\n");
printf("Press '1' to play a mono sound on the FRONT LEFT speaker.\n");
printf("Press '2' to play a mono sound on the FRONT RIGHT speaker.\n");
if (speakermode >= FMOD_SPEAKERMODE_SURROUND)
{
printf("Press '3' to play a mono sound on the CENTER speaker.\n");
}
else
{
printf("- CENTER Disabled\n");
}
if (speakermode >= FMOD_SPEAKERMODE_QUAD)
{
printf("Press '4' to play a mono sound on the REAR LEFT speaker.\n");
printf("Press '5' to play a mono sound on the REAR RIGHT speaker.\n");
}
else
{
printf("- REAR LEFT Disabled\n");
printf("- REAR RIGHT Disabled\n");
}
if (speakermode >= FMOD_SPEAKERMODE_7POINT1)
{
printf("Press '6' to play a mono sound on the SIDE LEFT speaker.\n");
printf("Press '7' to play a mono sound on the SIDE RIGHT speaker.\n");
}
else
{
printf("- SIDE LEFT Disabled\n");
printf("- SIDE RIGHT Disabled\n");
}
printf("\n");
printf("Press '8' to play a stereo sound on the front speakers.\n");
printf("Press '9' to play a stereo sound on the front speakers but channel swapped.\n");
if (speakermode >= FMOD_SPEAKERMODE_SURROUND)
{
printf("Press '0' to play the right part of a stereo sound on the CENTER speaker.\n");
}
printf("Press 'Esc' to quit\n");
printf("\n");
/*
Main loop.
*/
do
{
if (_kbhit())
{
key = _getch();
switch (key)
{
case '1' :
{
result = system->playSound(FMOD_CHANNEL_FREE, sound1, true, &channel);
ERRCHECK(result);
result = channel->setSpeakerMix(1.0f, 0, 0, 0, 0, 0, 0, 0);
ERRCHECK(result);
result = channel->setPaused(false);
ERRCHECK(result);
break;
}
case '2' :
{
result = system->playSound(FMOD_CHANNEL_FREE, sound1, true, &channel);
ERRCHECK(result);
result = channel->setSpeakerMix(0, 1.0f, 0, 0, 0, 0, 0, 0);
ERRCHECK(result);
result = channel->setPaused(false);
ERRCHECK(result);
break;
}
case '3' :
{
if (speakermode >= FMOD_SPEAKERMODE_SURROUND) /* All formats that have a center speaker. */
{
result = system->playSound(FMOD_CHANNEL_FREE, sound1, true, &channel);
ERRCHECK(result);
result = channel->setSpeakerMix(0, 0, 1.0f, 0, 0, 0, 0, 0);
ERRCHECK(result);
result = channel->setPaused(false);
ERRCHECK(result);
}
break;
}
case '4' :
{
if (speakermode >= FMOD_SPEAKERMODE_QUAD)
{
result = system->playSound(FMOD_CHANNEL_FREE, sound1, true, &channel);
ERRCHECK(result);
result = channel->setSpeakerMix(0, 0, 0, 0, 1.0f, 0, 0, 0);
ERRCHECK(result);
result = channel->setPaused(false);
ERRCHECK(result);
}
break;
}
case '5' :
{
if (speakermode >= FMOD_SPEAKERMODE_QUAD)
{
result = system->playSound(FMOD_CHANNEL_FREE, sound1, true, &channel);
ERRCHECK(result);
result = channel->setSpeakerMix(0, 0, 0, 0, 0, 1.0f, 0, 0);
ERRCHECK(result);
result = channel->setPaused(false);
ERRCHECK(result);
}
break;
}
case '6' :
{
if (speakermode >= FMOD_SPEAKERMODE_7POINT1)
{
result = system->playSound(FMOD_CHANNEL_FREE, sound1, true, &channel);
ERRCHECK(result);
result = channel->setSpeakerMix(0, 0, 0, 0, 0, 0, 1.0f, 0);
ERRCHECK(result);
result = channel->setPaused(false);
ERRCHECK(result);
}
break;
}
case '7' :
{
if (speakermode >= FMOD_SPEAKERMODE_7POINT1)
{
result = system->playSound(FMOD_CHANNEL_FREE, sound1, true, &channel);
ERRCHECK(result);
result = channel->setSpeakerMix(0, 0, 0, 0, 0, 0, 0, 1.0f);
ERRCHECK(result);
result = channel->setPaused(false);
ERRCHECK(result);
}
break;
}
case '8' :
{
float levels[2] = { 0, 1.0f };
result = system->playSound(FMOD_CHANNEL_FREE, sound2, true, &channel);
ERRCHECK(result);
/*
By default a stereo sound would play in all right and all left speakers, so this forces it to just the front.
*/
result = channel->setSpeakerMix(1.0f, 1.0f, 0, 0, 0, 0, 0, 0);
ERRCHECK(result);
result = channel->setPaused(false);
ERRCHECK(result);
break;
}
case '9' :
{
result = system->playSound(FMOD_CHANNEL_FREE, sound2, true, &channel);
ERRCHECK(result);
/*
Clear out all speakers first.
*/
result = channel->setSpeakerMix(0, 0, 0, 0, 0, 0, 0, 0);
ERRCHECK(result);
/*
Put the left channel of the sound in the right speaker.
*/
{
float levels[2] = { 0, 1.0f }; /* This array represents the source stereo sound. l/r */
result = channel->setSpeakerLevels(FMOD_SPEAKER_FRONT_LEFT, levels, 2);
ERRCHECK(result);
}
/*
Put the right channel of the sound in the left speaker.
*/
{
float levels[2] = { 1.0f, 0 }; /* This array represents the source stereo sound. l/r */
result = channel->setSpeakerLevels(FMOD_SPEAKER_FRONT_RIGHT, levels, 2);
ERRCHECK(result);
}
result = channel->setPaused(false);
ERRCHECK(result);
break;
}
case '0' :
{
if (speakermode >= FMOD_SPEAKERMODE_SURROUND) /* All formats that have a center speaker. */
{
result = system->playSound(FMOD_CHANNEL_FREE, sound2, true, &channel);
ERRCHECK(result);
/*
Clear out all speakers first.
*/
result = channel->setSpeakerMix(0, 0, 0, 0, 0, 0, 0, 0);
ERRCHECK(result);
/*
Put the left channel of the sound in the right speaker.
*/
{
float levels[2] = { 0, 1.0f }; /* This array represents the source stereo sound. l/r */
result = channel->setSpeakerLevels(FMOD_SPEAKER_FRONT_CENTER, levels, 2);
ERRCHECK(result);
}
result = channel->setPaused(false);
ERRCHECK(result);
}
break;
}
}
}
system->update();
{
unsigned int ms = 0;
unsigned int lenms = 0;
bool playing = false;
bool paused = false;
int channelsplaying = 0;
if (channel)
{
FMOD::Sound *currentsound = 0;
result = channel->isPlaying(&playing);
if ((result != FMOD_OK) && (result != FMOD_ERR_INVALID_HANDLE) && (result != FMOD_ERR_CHANNEL_STOLEN))
{
ERRCHECK(result);
}
result = channel->getPaused(&paused);
if ((result != FMOD_OK) && (result != FMOD_ERR_INVALID_HANDLE) && (result != FMOD_ERR_CHANNEL_STOLEN))
{
ERRCHECK(result);
}
result = channel->getPosition(&ms, FMOD_TIMEUNIT_MS);
if ((result != FMOD_OK) && (result != FMOD_ERR_INVALID_HANDLE) && (result != FMOD_ERR_CHANNEL_STOLEN))
{
ERRCHECK(result);
}
channel->getCurrentSound(¤tsound);
if (currentsound)
{
result = currentsound->getLength(&lenms, FMOD_TIMEUNIT_MS);
if ((result != FMOD_OK) && (result != FMOD_ERR_INVALID_HANDLE) && (result != FMOD_ERR_CHANNEL_STOLEN))
{
ERRCHECK(result);
}
}
}
system->getChannelsPlaying(&channelsplaying);
printf("Time %02d:%02d:%02d/%02d:%02d:%02d : %s : Channels Playing %2d\r", ms / 1000 / 60, ms / 1000 % 60, ms / 10 % 100, lenms / 1000 / 60, lenms / 1000 % 60, lenms / 10 % 100, paused ? "Paused " : playing ? "Playing" : "Stopped", channelsplaying);
}
Sleep(10);
} while (key != 27);
printf("\n");
/*
Shut down
*/
result = sound1->release();
ERRCHECK(result);
result = sound2->release();
ERRCHECK(result);
result = system->close();
ERRCHECK(result);
result = system->release();
ERRCHECK(result);
return 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;
}