int main(int argc, char *argv[])
{
FMOD_SYSTEM *system;
FMOD_SOUND *sound[5];
FMOD_CHANNEL *channel[5];
FMOD_CHANNELGROUP *groupA, *groupB;
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 = FMOD_System_GetVersion(system, &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 = FMOD_System_Init(system, 32, FMOD_INIT_NORMAL, 0);
ERRCHECK(result);
result = FMOD_System_CreateSound(system, "../media/drumloop.wav", FMOD_SOFTWARE | FMOD_LOOP_NORMAL, 0, &sound[0]);
ERRCHECK(result);
result = FMOD_System_CreateSound(system, "../media/jaguar.wav", FMOD_SOFTWARE | FMOD_LOOP_NORMAL, 0, &sound[1]);
ERRCHECK(result);
result = FMOD_System_CreateSound(system, "../media/c.ogg", FMOD_SOFTWARE | FMOD_LOOP_NORMAL, 0, &sound[2]);
ERRCHECK(result);
result = FMOD_System_CreateSound(system, "../media/d.ogg", FMOD_SOFTWARE | FMOD_LOOP_NORMAL, 0, &sound[3]);
ERRCHECK(result);
result = FMOD_System_CreateSound(system, "../media/e.ogg", FMOD_SOFTWARE | FMOD_LOOP_NORMAL, 0, &sound[4]);
ERRCHECK(result);
result = FMOD_System_CreateChannelGroup(system, "Group A", &groupA);
ERRCHECK(result);
result = FMOD_System_CreateChannelGroup(system, "Group B", &groupB);
ERRCHECK(result);
printf("======================================================================\n");
printf("Sub-mixing example. Copyright (c) Firelight Technologies 2004-2005.\n");
printf("======================================================================\n");
printf(" (drumloop.wav) \n");
printf(" / \n");
printf(" (groupA) \n");
printf(" (reverb)/ \\ \n");
printf(" / (jaguar.wav) \n");
printf("(soundcard)--(lowpass)--(systemhead) \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 everything\n");
printf("Press 'Esc' to quit\n");
printf("\n");
/*
Start all the sounds!
*/
for (count = 0; count < 5; count++)
{
result = FMOD_System_PlaySound(system, FMOD_CHANNEL_FREE, sound[count], TRUE, &channel[count]);
ERRCHECK(result);
if (count < 2)
{
result = FMOD_Channel_SetChannelGroup(channel[count], groupA);
}
else
{
result = FMOD_Channel_SetChannelGroup(channel[count], groupB);
}
ERRCHECK(result);
result = FMOD_Channel_SetPaused(channel[count], FALSE);
ERRCHECK(result);
}
/*
Create the DSP effects we want to apply to our submixes.
*/
result = FMOD_System_CreateDSPByType(system, FMOD_DSP_TYPE_REVERB, &dspreverb);
ERRCHECK(result);
result = FMOD_System_CreateDSPByType(system, FMOD_DSP_TYPE_FLANGE, &dspflange);
ERRCHECK(result);
result = FMOD_DSP_SetParameter(dspflange, FMOD_DSP_FLANGE_RATE, 1.0f);
ERRCHECK(result);
result = FMOD_System_CreateDSPByType(system, FMOD_DSP_TYPE_LOWPASS, &dsplowpass);
ERRCHECK(result);
result = FMOD_DSP_SetParameter(dsplowpass, FMOD_DSP_LOWPASS_CUTOFF, 500.0f);
ERRCHECK(result);
/*
Main loop.
*/
do
{
if (kbhit())
{
key = getch();
switch (key)
{
case 'a' :
case 'A' :
{
static int mute = TRUE;
FMOD_ChannelGroup_SetMute(groupA, mute);
mute = !mute;
break;
}
case 'b' :
case 'B' :
{
static int mute = TRUE;
FMOD_ChannelGroup_SetMute(groupB, mute);
mute = !mute;
break;
}
case 'r' :
case 'R' :
{
static int reverb = TRUE;
if (reverb)
{
FMOD_ChannelGroup_AddDSP(groupA, dspreverb);
}
else
{
FMOD_DSP_Remove(dspreverb);
}
reverb = !reverb;
break;
}
case 'f' :
case 'F' :
{
static int flange = TRUE;
if (flange)
{
FMOD_ChannelGroup_AddDSP(groupB, dspflange);
}
else
{
FMOD_DSP_Remove(dspflange);
}
flange = !flange;
break;
}
case 'l' :
case 'L' :
{
static int lowpass = TRUE;
if (lowpass)
{
FMOD_System_AddDSP(system, dsplowpass);
}
else
{
FMOD_DSP_Remove(dsplowpass);
}
lowpass = !lowpass;
break;
}
}
}
FMOD_System_Update(system);
{
int channelsplaying = 0;
FMOD_System_GetChannelsPlaying(system, &channelsplaying);
printf("Channels Playing %2d\r", channelsplaying);
}
Sleep(10);
} while (key != 27);
printf("\n");
/*
Shut down
*/
for (count = 0; count < 5; count++)
{
result = FMOD_Sound_Release(sound[count]);
ERRCHECK(result);
}
result = FMOD_DSP_Release(dspreverb);
ERRCHECK(result);
result = FMOD_DSP_Release(dspflange);
ERRCHECK(result);
result = FMOD_DSP_Release(dsplowpass);
ERRCHECK(result);
result = FMOD_ChannelGroup_Release(groupA);
ERRCHECK(result);
result = FMOD_ChannelGroup_Release(groupB);
ERRCHECK(result);
result = FMOD_System_Close(system);
ERRCHECK(result);
result = FMOD_System_Release(system);
ERRCHECK(result);
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 = FMOD_System_GetVersion(system, &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 = FMOD_System_Init(system, 32, FMOD_INIT_NORMAL, NULL);
ERRCHECK(result);
/*
Create DSP units for each type of noise we want.
*/
result = FMOD_System_CreateDSPByType(system, FMOD_DSP_TYPE_OSCILLATOR, &dsp);
ERRCHECK(result);
result = FMOD_DSP_SetParameter(dsp, 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 = FMOD_System_PlayDSP(system, FMOD_CHANNEL_REUSE, dsp, TRUE, &channel);
FMOD_Channel_SetVolume(channel, 0.5f);
result = FMOD_DSP_SetParameter(dsp, FMOD_DSP_OSCILLATOR_TYPE, 0);
ERRCHECK(result);
FMOD_Channel_SetPaused(channel, FALSE);
break;
}
case '2' :
{
result = FMOD_System_PlayDSP(system, FMOD_CHANNEL_REUSE, dsp, TRUE, &channel);
FMOD_Channel_SetVolume(channel, 0.125f);
result = FMOD_DSP_SetParameter(dsp, FMOD_DSP_OSCILLATOR_TYPE, 1);
ERRCHECK(result);
FMOD_Channel_SetPaused(channel, FALSE);
break;
}
case '3' :
{
result = FMOD_System_PlayDSP(system, FMOD_CHANNEL_REUSE, dsp, TRUE, &channel);
FMOD_Channel_SetVolume(channel, 0.5f);
result = FMOD_DSP_SetParameter(dsp, FMOD_DSP_OSCILLATOR_TYPE, 2);
ERRCHECK(result);
FMOD_Channel_SetPaused(channel, FALSE);
break;
}
case '4' :
{
result = FMOD_System_PlayDSP(system, FMOD_CHANNEL_REUSE, dsp, TRUE, &channel);
FMOD_Channel_SetVolume(channel, 0.125f);
result = FMOD_DSP_SetParameter(dsp, FMOD_DSP_OSCILLATOR_TYPE, 4);
ERRCHECK(result);
FMOD_Channel_SetPaused(channel, FALSE);
break;
}
case '5' :
{
result = FMOD_System_PlayDSP(system, FMOD_CHANNEL_REUSE, dsp, TRUE, &channel);
FMOD_Channel_SetVolume(channel, 0.25f);
result = FMOD_DSP_SetParameter(dsp, FMOD_DSP_OSCILLATOR_TYPE, 5);
ERRCHECK(result);
FMOD_Channel_SetPaused(channel, FALSE);
break;
}
case 's' :
{
FMOD_Channel_Stop(channel);
break;
}
case 'v' :
{
float volume;
FMOD_Channel_GetVolume(channel, &volume);
volume -= 0.1f;
FMOD_Channel_SetVolume(channel, volume);
break;
}
case 'V' :
{
float volume;
FMOD_Channel_GetVolume(channel, &volume);
volume += 0.1f;
FMOD_Channel_SetVolume(channel, volume);
break;
}
case 'f' :
{
float frequency;
FMOD_Channel_GetFrequency(channel, &frequency);
frequency -= 500.0f;
FMOD_Channel_SetFrequency(channel, frequency);
break;
}
case 'F' :
{
float frequency;
FMOD_Channel_GetFrequency(channel, &frequency);
frequency += 500.0f;
FMOD_Channel_SetFrequency(channel, frequency);
break;
}
case '[' :
{
float pan;
FMOD_Channel_GetPan(channel, &pan);
pan -= 0.1f;
FMOD_Channel_SetPan(channel, pan);
break;
}
case ']' :
{
float pan;
FMOD_Channel_GetPan(channel, &pan);
pan += 0.1f;
FMOD_Channel_SetPan(channel, pan);
break;
}
}
}
FMOD_System_Update(system);
{
float frequency = 0, volume = 0, pan = 0;
int playing = FALSE;
if (channel)
{
FMOD_Channel_GetFrequency(channel, &frequency);
FMOD_Channel_GetVolume(channel, &volume);
FMOD_Channel_GetPan(channel, &pan);
FMOD_Channel_IsPlaying(channel, &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 = FMOD_DSP_Release(dsp);
ERRCHECK(result);
result = FMOD_System_Close(system);
ERRCHECK(result);
result = FMOD_System_Release(system);
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 = FMOD_System_GetVersion(system, &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 = FMOD_System_GetNumDrivers(system, &numdrivers);
ERRCHECK(result);
if (numdrivers == 0)
{
result = FMOD_System_SetOutput(system, FMOD_OUTPUTTYPE_NOSOUND);
ERRCHECK(result);
}
else
{
result = FMOD_System_GetDriverCaps(system, 0, &caps, 0, &speakermode);
ERRCHECK(result);
result = FMOD_System_SetSpeakerMode(system, 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 = FMOD_System_SetDSPBufferSize(system, 1024, 10);
ERRCHECK(result);
}
#ifdef LOWLATENCY
else
{
result = FMOD_System_SetDSPBufferSize(system, 256, 4);
}
#endif
result = FMOD_System_GetDriverInfo(system, 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 = FMOD_System_SetSoftwareFormat(system, 48000, FMOD_SOUND_FORMAT_PCMFLOAT, 0,0, FMOD_DSP_RESAMPLER_LINEAR);
ERRCHECK(result);
}
}
result = FMOD_System_Init(system, 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 = FMOD_System_SetSpeakerMode(system, FMOD_SPEAKERMODE_STEREO);
ERRCHECK(result);
result = FMOD_System_Init(system, 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 = FMOD_System_CreateSound(system, 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 2004-2011.\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 = FMOD_System_RecordStart(system, 0, sound, TRUE);
ERRCHECK(result);
result = FMOD_Sound_GetLength(sound, &soundlength, FMOD_TIMEUNIT_PCM);
ERRCHECK(result);
/*
Create a DSP effect to play with.
*/
result = FMOD_System_CreateDSPByType(system, FMOD_DSP_TYPE_FLANGE, &dsp);
ERRCHECK(result);
result = FMOD_DSP_SetParameter(dsp, FMOD_DSP_FLANGE_RATE, 4.0f);
ERRCHECK(result);
result = FMOD_DSP_SetBypass(dsp, 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')
{
int bypass;
FMOD_DSP_GetBypass(dsp, &bypass);
FMOD_DSP_SetBypass(dsp, !bypass);
if (bypass)
{
FMOD_REVERB_PROPERTIES prop = FMOD_PRESET_CONCERTHALL;
FMOD_System_SetReverbProperties(system, &prop);
}
else
{
FMOD_REVERB_PROPERTIES prop = FMOD_PRESET_OFF;
FMOD_System_SetReverbProperties(system, &prop);
}
printf("\n\n *** TURN DSP EFFECT %s ** \n\n", bypass ? "ON" : "OFF");
}
FMOD_System_GetRecordPosition(system, 0, &recordpos);
ERRCHECK(result);
recorddelta = recordpos >= lastrecordpos ? recordpos - lastrecordpos : recordpos + soundlength - lastrecordpos;
samplesrecorded += recorddelta;
if (samplesrecorded >= adjustedlatency && !channel)
{
result = FMOD_System_PlaySound(system, FMOD_CHANNEL_FREE, sound, 0, &channel);
ERRCHECK(result);
result = FMOD_Channel_AddDSP(channel, 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;
}
}
FMOD_Channel_GetPosition(channel, &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 */
{
FMOD_Channel_SetFrequency(channel, 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 */
{
FMOD_Channel_SetFrequency(channel, RECORDRATE + (RECORDRATE / 50)); /* Increase speed by 2% */
adjusting = 2;
}
else
{
FMOD_Channel_SetFrequency(channel, 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;
FMOD_System_Update(system);
Sleep(10);
} while (key != 27);
printf("\n");
/*
Shut down
*/
result = FMOD_Sound_Release(sound);
ERRCHECK(result);
result = FMOD_System_Release(system);
ERRCHECK(result);
return 0;
}
