int main(int argc, char *argv[])
{
FMOD_SYSTEM *system = 0;
FMOD_SOUND *sound = 0;
FMOD_RESULT result;
FMOD_CREATESOUNDEXINFO exinfo;
int key, recorddriver, numdrivers, count;
unsigned int version;
FILE *fp;
unsigned int datalength = 0, soundlength;
/*
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
*/
printf("---------------------------------------------------------\n");
printf("Select OUTPUT type\n");
printf("---------------------------------------------------------\n");
printf("1 : DirectSound\n");
printf("2 : Windows Multimedia WaveOut\n");
printf("3 : ASIO\n");
printf("---------------------------------------------------------\n");
printf("Press a corresponding number or ESC to quit\n");
do
{
key = _getch();
} while (key != 27 && key < '1' && key > '5');
switch (key)
{
case '1' : result = FMOD_System_SetOutput(system, FMOD_OUTPUTTYPE_DSOUND);
break;
case '2' : result = FMOD_System_SetOutput(system, FMOD_OUTPUTTYPE_WINMM);
break;
case '3' : result = FMOD_System_SetOutput(system, FMOD_OUTPUTTYPE_ASIO);
break;
default : return 1;
}
ERRCHECK(result);
/*
Enumerate record devices
*/
result = FMOD_System_GetRecordNumDrivers(system, &numdrivers);
ERRCHECK(result);
printf("---------------------------------------------------------\n");
printf("Choose a RECORD driver\n");
printf("---------------------------------------------------------\n");
for (count=0; count < numdrivers; count++)
{
char name[256];
result = FMOD_System_GetRecordDriverInfo(system, count, name, 256, 0);
ERRCHECK(result);
printf("%d : %s\n", count + 1, name);
}
printf("---------------------------------------------------------\n");
printf("Press a corresponding number or ESC to quit\n");
recorddriver = 0;
do
{
key = _getch();
if (key == 27)
{
return 0;
}
recorddriver = key - '1';
} while (recorddriver < 0 || recorddriver >= numdrivers);
printf("\n");
result = FMOD_System_Init(system, 32, FMOD_INIT_NORMAL, 0);
ERRCHECK(result);
memset(&exinfo, 0, sizeof(FMOD_CREATESOUNDEXINFO));
exinfo.cbsize = sizeof(FMOD_CREATESOUNDEXINFO);
exinfo.numchannels = 2;
exinfo.format = FMOD_SOUND_FORMAT_PCM16;
exinfo.defaultfrequency = 44100;
exinfo.length = exinfo.defaultfrequency * sizeof(short) * exinfo.numchannels * 2;
result = FMOD_System_CreateSound(system, 0, FMOD_2D | FMOD_SOFTWARE | FMOD_OPENUSER, &exinfo, &sound);
ERRCHECK(result);
printf("========================================================================\n");
printf("Record to disk example. Copyright (c) Firelight Technologies 2004-2014.\n");
printf("========================================================================\n");
printf("\n");
printf("Press a key to start recording to record.wav\n");
printf("\n");
_getch();
result = FMOD_System_RecordStart(system, recorddriver, sound, TRUE);
ERRCHECK(result);
printf("Press 'Esc' to quit\n");
printf("\n");
fp = fopen("record.wav", "wb");
if (!fp)
{
printf("ERROR : could not open record.wav for writing.\n");
return 1;
}
/*
Write out the wav header. As we don't know the length yet it will be 0.
*/
WriteWavHeader(fp, sound, datalength);
result = FMOD_Sound_GetLength(sound, &soundlength, FMOD_TIMEUNIT_PCM);
ERRCHECK(result);
/*
Main loop.
*/
do
{
static unsigned int lastrecordpos = 0;
unsigned int recordpos = 0;
if (_kbhit())
{
key = _getch();
}
FMOD_System_GetRecordPosition(system, recorddriver, &recordpos);
ERRCHECK(result);
if (recordpos != lastrecordpos)
{
void *ptr1, *ptr2;
int blocklength;
unsigned int len1, len2;
blocklength = (int)recordpos - (int)lastrecordpos;
if (blocklength < 0)
{
blocklength += soundlength;
}
/*
Lock the sound to get access to the raw data.
*/
FMOD_Sound_Lock(sound, lastrecordpos * exinfo.numchannels * 2, blocklength * exinfo.numchannels * 2, &ptr1, &ptr2, &len1, &len2); /* * exinfo.numchannels * 2 = stereo 16bit. 1 sample = 4 bytes. */
/*
Write it to disk.
*/
if (ptr1 && len1)
{
datalength += fwrite(ptr1, 1, len1, fp);
}
if (ptr2 && len2)
{
datalength += fwrite(ptr2, 1, len2, fp);
}
/*
Unlock the sound to allow FMOD to use it again.
*/
FMOD_Sound_Unlock(sound, ptr1, ptr2, len1, len2);
}
lastrecordpos = recordpos;
printf("%-23s. Record buffer pos = %6d : Record time = %02d:%02d\r", (timeGetTime() / 500) & 1 ? "Recording to record.wav" : "", recordpos, datalength / exinfo.defaultfrequency / exinfo.numchannels / 2 / 60, (datalength / exinfo.defaultfrequency / exinfo.numchannels / 2) % 60);
FMOD_System_Update(system);
Sleep(10);
} while (key != 27);
printf("\n");
/*
Write back the wav header now that we know its length.
*/
WriteWavHeader(fp, sound, datalength);
fclose(fp);
/*
Shut down
*/
result = FMOD_Sound_Release(sound);
ERRCHECK(result);
result = FMOD_System_Release(system);
ERRCHECK(result);
return 0;
}
//FMOD Thread
void getSpectrum(void *fm) {
FMOD_SYSTEM *fmod = (FMOD_SYSTEM*)fm;
FMOD_CHANNEL *channel = 0;
FMOD_SOUND *sound = 0;
FMOD_CREATESOUNDEXINFO exinfo;
int numdrivers, selected=-1;//for stereo mix
int count;//stereo mix
char name[256]; //stereo mix
float t[SPECTRUMSIZE/8];
int j = 0;
int i = 0;
float max=0;
FMOD_RESULT result;
static float spectrum[SPECTRUMSIZE];
result = FMOD_System_SetOutput(fmod, FMOD_OUTPUTTYPE_DSOUND); //output=directsound
//get stereo mix
result = FMOD_System_GetRecordNumDrivers(fmod, &numdrivers);
for (count=0; count < numdrivers; count++)
{
result = FMOD_System_GetRecordDriverInfo(fmod, count, name, 256, 0);
if(strncmp(name, "Stereo Mix", strlen("Stereo Mix"))==0) {
selected=count;
}
}
if(selected == -1) {
printf("Couldn't find Stereo Mix!\n");
exit(-1);
}
//create a sound
result = FMOD_System_SetSoftwareFormat(fmod, OUTPUTRATE, FMOD_SOUND_FORMAT_PCM16, 1, 0, FMOD_DSP_RESAMPLER_LINEAR);
result = FMOD_System_Init(fmod, 100, FMOD_INIT_NORMAL, 0);
memset(&exinfo, 0, sizeof(FMOD_CREATESOUNDEXINFO));
exinfo.cbsize = sizeof(FMOD_CREATESOUNDEXINFO);
exinfo.numchannels = 1;
exinfo.format = FMOD_SOUND_FORMAT_PCM16;
exinfo.defaultfrequency = OUTPUTRATE;
exinfo.length = exinfo.defaultfrequency * sizeof(short) * exinfo.numchannels * 5;
result = FMOD_System_CreateSound(fmod, 0, FMOD_2D | FMOD_SOFTWARE | FMOD_LOOP_NORMAL | FMOD_OPENUSER, &exinfo, &sound);
result = FMOD_System_RecordStart(fmod, selected, sound, TRUE);
Sleep(200);
result = FMOD_System_PlaySound(fmod, FMOD_CHANNEL_REUSE, sound, FALSE, &channel);
result = FMOD_Channel_SetVolume(channel, 0);
do {
result = FMOD_Channel_GetSpectrum(channel, spectrum, SPECTRUMSIZE, 0, FMOD_DSP_FFT_WINDOW_TRIANGLE);
for(i = 0;i<8000;i++) {
t[j]+=(10.0f * (float)log10(spectrum[i]) * 2.0f);
if(i<=1600) j=0;
if(i>1600)j=1;
if(i>3200)j=2;
if(i>4800)j=3;
if(i>6400)j=4;
}
max=0;
WaitForSingleObject(spectrumMutex, INFINITE);
for(i =0;i<5;i++) {
t[i]=t[i]/1600+150;
analyzedSpectrum[i] = t[i];
if(t[i] >max) {max=t[i];}
}
ReleaseMutex(spectrumMutex);
FMOD_System_Update(fmod);
Sleep(10);
WaitForSingleObject(stopAppMutex, INFINITE);
if(_stopApp==TRUE) {break;}
ReleaseMutex(stopAppMutex);
}while(1);
_endthread();
}
int main(int argc, char *argv[])
{
FMOD_SYSTEM *system = 0;
FMOD_SOUND *sound = 0;
FMOD_CHANNEL *channel = 0;
FMOD_RESULT result;
FMOD_CREATESOUNDEXINFO exinfo;
int key, driver, recorddriver, numdrivers, 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;
}
/*
System initialization
*/
printf("---------------------------------------------------------\n");
printf("Select OUTPUT type\n");
printf("---------------------------------------------------------\n");
printf("1 : OSS - Open Sound System\n");
printf("2 : ALSA - Advanced Linux Sound Architecture\n");
printf("3 : ESD - Enlightenment Sound Daemon\n");
printf("---------------------------------------------------------\n");
printf("Press a corresponding number or ESC to quit\n");
do
{
key = getch();
} while (key != 27 && key < '1' && key > '5');
switch (key)
{
case '1' :
result = FMOD_System_SetOutput(system, FMOD_OUTPUTTYPE_OSS);
break;
case '2' :
result = FMOD_System_SetOutput(system, FMOD_OUTPUTTYPE_ALSA);
break;
case '3' :
result = FMOD_System_SetOutput(system, FMOD_OUTPUTTYPE_ESD);
break;
default :
return 1;
}
ERRCHECK(result);
/*
Enumerate playback devices
*/
result = FMOD_System_GetNumDrivers(system, &numdrivers);
ERRCHECK(result);
printf("---------------------------------------------------------\n");
printf("Choose a PLAYBACK driver\n");
printf("---------------------------------------------------------\n");
for (count=0; count < numdrivers; count++)
{
char name[256];
result = FMOD_System_GetDriverInfo(system, count, name, 256, 0);
ERRCHECK(result);
printf("%d : %s\n", count + 1, name);
}
printf("---------------------------------------------------------\n");
printf("Press a corresponding number or ESC to quit\n");
do
{
key = getch();
if (key == 27)
{
return 0;
}
driver = key - '1';
} while (driver < 0 || driver >= numdrivers);
result = FMOD_System_SetDriver(system, driver);
ERRCHECK(result);
/*
Enumerate record devices
*/
result = FMOD_System_GetRecordNumDrivers(system, &numdrivers);
ERRCHECK(result);
printf("---------------------------------------------------------\n");
printf("Choose a RECORD driver\n");
printf("---------------------------------------------------------\n");
for (count=0; count < numdrivers; count++)
{
char name[256];
result = FMOD_System_GetRecordDriverInfo(system, count, name, 256, 0);
ERRCHECK(result);
printf("%d : %s\n", count + 1, name);
}
printf("---------------------------------------------------------\n");
printf("Press a corresponding number or ESC to quit\n");
recorddriver = 0;
do
{
key = getch();
if (key == 27)
{
return 0;
}
recorddriver = key - '1';
} while (recorddriver < 0 || recorddriver >= numdrivers);
printf("\n");
result = FMOD_System_Init(system, 32, FMOD_INIT_NORMAL, NULL);
ERRCHECK(result);
memset(&exinfo, 0, sizeof(FMOD_CREATESOUNDEXINFO));
exinfo.cbsize = sizeof(FMOD_CREATESOUNDEXINFO);
exinfo.numchannels = 1;
exinfo.format = FMOD_SOUND_FORMAT_PCM16;
exinfo.defaultfrequency = 44100;
exinfo.length = exinfo.defaultfrequency * sizeof(short) * exinfo.numchannels * 5;
result = FMOD_System_CreateSound(system, 0, FMOD_2D | FMOD_SOFTWARE | FMOD_OPENUSER, &exinfo, &sound);
ERRCHECK(result);
printf("===================================================================\n");
printf("Recording example. Copyright (c) Firelight Technologies 2004-2011.\n");
printf("===================================================================\n");
printf("\n");
printf("Press 'r' to record a 5 second segment of audio and write it to a wav file.\n");
printf("Press 'p' to play the 5 second segment of audio.\n");
printf("Press 'l' to turn looping on/off.\n");
printf("Press 's' to stop recording and playback.\n");
printf("Press 'w' to save the 5 second segment to a wav file.\n");
printf("Press 'Esc' to quit\n");
printf("\n");
/*
Main loop.
*/
do
{
static FMOD_CHANNEL *channel = 0;
static int looping = 0;
int recording = 0;
int playing = 0;
unsigned int recordpos = 0;
unsigned int playpos = 0;
unsigned int length;
if (kbhit())
{
key = getch();
switch (key)
{
case 'r' :
case 'R' :
{
result = FMOD_System_RecordStart(system, recorddriver, sound, looping);
ERRCHECK(result);
break;
}
case 'p' :
case 'P' :
{
if (looping)
{
FMOD_Sound_SetMode(sound, FMOD_LOOP_NORMAL);
}
else
{
FMOD_Sound_SetMode(sound, FMOD_LOOP_OFF);
}
ERRCHECK(result);
result = FMOD_System_PlaySound(system, FMOD_CHANNEL_REUSE, sound, 0, &channel);
ERRCHECK(result);
break;
}
case 'l' :
case 'L' :
{
looping = !looping;
break;
}
case 's' :
case 'S' :
{
result = FMOD_System_RecordStop(system, recorddriver);
if (channel)
{
FMOD_Channel_Stop(channel);
channel = 0;
}
break;
}
case 'w' :
case 'W' :
{
printf("Writing to record.wav ... \r");
SaveToWav(sound);
Sleep(500);
break;
}
}
}
FMOD_Sound_GetLength(sound, &length, FMOD_TIMEUNIT_PCM);
ERRCHECK(result);
FMOD_System_IsRecording(system, recorddriver, &recording);
ERRCHECK(result);
FMOD_System_GetRecordPosition(system, recorddriver, &recordpos);
ERRCHECK(result);
if (channel)
{
FMOD_Channel_IsPlaying(channel, &playing);
ERRCHECK(result);
FMOD_Channel_GetPosition(channel, &playpos, FMOD_TIMEUNIT_PCM);
ERRCHECK(result);
}
printf("State: %-19s. Record pos = %6d : Play pos = %6d : Loop %-3s\r", recording ? playing ? "Recording / playing" : "Recording" : playing ? "Playing" : "Idle", recordpos, playpos, looping ? "On" : "Off");
fflush(stdout);
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;
}
int main(int argc, char *argv[])
{
FMOD_SYSTEM *system = 0;
FMOD_SOUND *sound = 0;
FMOD_CHANNEL *channel = 0;
FMOD_RESULT result;
FMOD_CREATESOUNDEXINFO exinfo;
int key, driver, recorddriver, numdrivers, count, bin;
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;
}
/*
System initialization
*/
printf("---------------------------------------------------------\n");
printf("Select OUTPUT type\n");
printf("---------------------------------------------------------\n");
printf("1 : DirectSound\n");
printf("2 : Windows Multimedia WaveOut\n");
printf("3 : ASIO\n");
printf("---------------------------------------------------------\n");
printf("Press a corresponding number or ESC to quit\n");
do
{
key = _getch();
} while (key != 27 && key < '1' && key > '5');
switch (key)
{
case '1' : result = FMOD_System_SetOutput(system, FMOD_OUTPUTTYPE_DSOUND);
break;
case '2' : result = FMOD_System_SetOutput(system, FMOD_OUTPUTTYPE_WINMM);
break;
case '3' : result = FMOD_System_SetOutput(system, FMOD_OUTPUTTYPE_ASIO);
break;
default : return 1;
}
ERRCHECK(result);
/*
Enumerate playback devices
*/
result = FMOD_System_GetNumDrivers(system, &numdrivers);
ERRCHECK(result);
printf("---------------------------------------------------------\n");
printf("Choose a PLAYBACK driver\n");
printf("---------------------------------------------------------\n");
for (count=0; count < numdrivers; count++)
{
char name[256];
result = FMOD_System_GetDriverInfo(system, count, name, 256, 0);
ERRCHECK(result);
printf("%d : %s\n", count + 1, name);
}
printf("---------------------------------------------------------\n");
printf("Press a corresponding number or ESC to quit\n");
do
{
key = _getch();
if (key == 27)
{
return 0;
}
driver = key - '1';
} while (driver < 0 || driver >= numdrivers);
result = FMOD_System_SetDriver(system, driver);
ERRCHECK(result);
/*
Enumerate record devices
*/
result = FMOD_System_GetRecordNumDrivers(system, &numdrivers);
ERRCHECK(result);
printf("---------------------------------------------------------\n");
printf("Choose a RECORD driver\n");
printf("---------------------------------------------------------\n");
for (count=0; count < numdrivers; count++)
{
char name[256];
result = FMOD_System_GetRecordDriverInfo(system, count, name, 256, 0);
ERRCHECK(result);
printf("%d : %s\n", count + 1, name);
}
printf("---------------------------------------------------------\n");
printf("Press a corresponding number or ESC to quit\n");
recorddriver = 0;
do
{
key = _getch();
if (key == 27)
{
return 0;
}
recorddriver = key - '1';
} while (recorddriver < 0 || recorddriver >= numdrivers);
printf("\n");
result = FMOD_System_SetSoftwareFormat(system, OUTPUTRATE, FMOD_SOUND_FORMAT_PCM16, 1, 0, FMOD_DSP_RESAMPLER_LINEAR);
ERRCHECK(result);
result = FMOD_System_Init(system, 32, FMOD_INIT_NORMAL, NULL);
ERRCHECK(result);
/*
Create a sound to record to.
*/
memset(&exinfo, 0, sizeof(FMOD_CREATESOUNDEXINFO));
exinfo.cbsize = sizeof(FMOD_CREATESOUNDEXINFO);
exinfo.numchannels = 1;
exinfo.format = FMOD_SOUND_FORMAT_PCM16;
exinfo.defaultfrequency = OUTPUTRATE;
exinfo.length = exinfo.defaultfrequency * sizeof(short) * exinfo.numchannels * 5;
result = FMOD_System_CreateSound(system, 0, FMOD_2D | FMOD_SOFTWARE | FMOD_LOOP_NORMAL | FMOD_OPENUSER, &exinfo, &sound);
ERRCHECK(result);
/*
Start the interface
*/
printf("=========================================================================\n");
printf("Pitch detection example. Copyright (c) Firelight Technologies 2004-2015.\n");
printf("=========================================================================\n");
printf("\n");
printf("Record something through the selected recording device and FMOD will\n");
printf("Determine the pitch. Sustain the tone for at least a second to get an\n");
printf("accurate reading.\n");
printf("Press 'Esc' to quit\n");
printf("\n");
result = FMOD_System_RecordStart(system, recorddriver, sound, TRUE);
ERRCHECK(result);
Sleep(200); /* Give it some time to record something */
result = FMOD_System_PlaySound(system, FMOD_CHANNEL_REUSE, sound, FALSE, &channel);
ERRCHECK(result);
/* Dont hear what is being recorded otherwise it will feedback. Spectrum analysis is done before volume scaling in the DSP chain */
result = FMOD_Channel_SetVolume(channel, 0);
ERRCHECK(result);
bin = 0;
/*
Main loop.
*/
do
{
static float spectrum[SPECTRUMSIZE];
float dominanthz = 0;
float max;
int dominantnote = 0;
float binsize = BINSIZE;
if (_kbhit())
{
key = _getch();
}
result = FMOD_Channel_GetSpectrum(channel, spectrum, SPECTRUMSIZE, 0, FMOD_DSP_FFT_WINDOW_TRIANGLE);
ERRCHECK(result);
max = 0;
for (count = 0; count < SPECTRUMSIZE; count++)
{
if (spectrum[count] > 0.01f && spectrum[count] > max)
{
max = spectrum[count];
bin = count;
}
}
dominanthz = (float)bin * BINSIZE; /* dominant frequency min */
dominantnote = 0;
for (count = 0; count < 120; count++)
{
if (dominanthz >= notefreq[count] && dominanthz < notefreq[count + 1])
{
/* which is it closer to. This note or the next note */
if (fabs(dominanthz - notefreq[count]) < fabs(dominanthz - notefreq[count+1]))
{
dominantnote = count;
}
else
{
dominantnote = count + 1;
}
break;
}
}
printf("Detected rate : %7.1f -> %7.1f hz. Detected musical note. %-3s (%7.1f hz)\r", dominanthz, ((float)bin + 0.99f) * BINSIZE, note[dominantnote], notefreq[dominantnote]);
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;
}
