///<summary>
/// Return an array of strings which are the driver names for the "microphone" devices.
///</summary>
public string[] GetAllMicrophoneDevices(FMOD.System fmod)
{
FMOD.RESULT result;
int numSoundSources = 0;
StringBuilder drivername = new StringBuilder(256);
// result = system.setDriver(selected);
// ERRCHECK(result);
// Get Record drivers
result = fmod.getRecordNumDrivers(ref numSoundSources);
CheckRetCode(result);
string[] soundSourceNames = new string[numSoundSources];
for (int count = 0; count < numSoundSources; count++)
{
FMOD.GUID guid = new FMOD.GUID();
result = fmod.getRecordDriverInfo(count, drivername, drivername.Capacity, ref guid);
// result = fmod.getRecordDriverName(count, drivername, drivername.Capacity);
CheckRetCode(result);
soundSourceNames[count] = drivername.ToString();
}
return(soundSourceNames);
}
private void comboBoxOutput_SelectedIndexChanged(object sender, System.EventArgs e)
{
FMOD.RESULT result = FMOD.RESULT.OK;
StringBuilder drivername = new StringBuilder(256);
int numdrivers = 0;
FMOD.GUID guid = new FMOD.GUID();
switch (comboBoxOutput.SelectedIndex)
{
case 0:
result = system.setOutput(FMOD.OUTPUTTYPE.DSOUND);
break;
case 1:
result = system.setOutput(FMOD.OUTPUTTYPE.WINMM);
break;
case 2:
result = system.setOutput(FMOD.OUTPUTTYPE.ASIO);
break;
default:
return;
}
ERRCHECK(result);
/*
* Get Record drivers
*/
result = system.getRecordNumDrivers(ref numdrivers);
ERRCHECK(result);
for (int count = 0; count < numdrivers; count++)
{
result = system.getRecordDriverInfo(count, drivername, drivername.Capacity, ref guid);
ERRCHECK(result);
comboBoxRecord.Items.Add(drivername.ToString());
}
comboBoxOutput.Enabled = false;
comboBoxRecord.Enabled = true;
}
private void comboBoxPlayback_SelectedIndexChanged(object sender, System.EventArgs e)
{
FMOD.RESULT result;
StringBuilder drivername = new StringBuilder(256);
int numdrivers = 0;
selected = comboBoxPlayback.SelectedIndex;
comboBoxRecord.Enabled = true;
/*
* Get Record drivers
*/
result = system.getRecordNumDrivers(ref numdrivers);
ERRCHECK(result);
for (int count = 0; count < numdrivers; count++)
{
result = system.getRecordDriverInfo(count, drivername, drivername.Capacity, ref guid);
ERRCHECK(result);
comboBoxRecord.Items.Add(drivername.ToString());
}
}
IEnumerator RecordCR()
{
int recRate = 0;
int namelen = 255;
System.Text.StringBuilder name = new System.Text.StringBuilder(namelen);
System.Guid guid;
FMOD.SPEAKERMODE speakermode;
FMOD.DRIVER_STATE driverstate;
result = system.getRecordDriverInfo(this.recordDeviceId, name, namelen, out guid, out recRate, out speakermode, out recChannels, out driverstate);
ERRCHECK(result, "system.getRecordDriverInfo");
// compensate the input rate for the current output rate
this.GetComponent <AudioSource>().pitch = ((float)(recRate * recChannels) / (float)(AudioSettings.outputSampleRate * (int)AudioSettings.speakerMode));
exinfo = new FMOD.CREATESOUNDEXINFO();
exinfo.numchannels = recChannels;
exinfo.format = FMOD.SOUND_FORMAT.PCM16;
exinfo.defaultfrequency = recRate;
exinfo.length = (uint)(recRate * sizeof(short) * recChannels);
result = system.createSound(string.Empty, FMOD.MODE.LOOP_NORMAL | FMOD.MODE.OPENUSER, ref exinfo, out sound);
ERRCHECK(result, "system.createSound");
this.GetComponent <AudioSource>().Play();
result = system.recordStart(this.recordDeviceId, sound, true);
ERRCHECK(result, "system.recordStart");
result = sound.getLength(out soundlength, FMOD.TIMEUNIT.PCM);
ERRCHECK(result, "sound.getLength");
this.isRecording = true;
if (this.OnRecordingStarted != null)
{
this.OnRecordingStarted.Invoke(this.gameObjectName);
}
for (;;)
{
result = system.update();
ERRCHECK(result, "system.update", false);
if (this.isPaused)
{
yield return(null);
}
uint recordpos = 0;
system.getRecordPosition(this.recordDeviceId, out recordpos);
ERRCHECK(result, "system.getRecordPosition");
if (recordpos != lastrecordpos)
{
int blocklength;
blocklength = (int)recordpos - (int)lastrecordpos;
if (blocklength < 0)
{
blocklength += (int)soundlength;
}
/*
* Lock the sound to get access to the raw data.
*/
result = sound.@lock((uint)(lastrecordpos * exinfo.numchannels * 2), (uint)(blocklength * exinfo.numchannels * 2), out ptr1, out ptr2, out len1, out len2); /* * exinfo.numchannels * 2 = stereo 16bit. 1 sample = 4 bytes. */
/*
* Write it to output.
*/
if (ptr1.ToInt64() != 0 && len1 > 0)
{
datalength += len1;
byte[] barr = new byte[len1];
Marshal.Copy(ptr1, barr, 0, (int)len1);
this.AddBytesToOutputBuffer(barr);
}
if (ptr2.ToInt64() != 0 && len2 > 0)
{
datalength += len2;
byte[] barr = new byte[len2];
Marshal.Copy(ptr2, barr, 0, (int)len2);
this.AddBytesToOutputBuffer(barr);
}
/*
* Unlock the sound to allow FMOD to use it again.
*/
result = sound.unlock(ptr1, ptr2, len1, len2);
}
lastrecordpos = recordpos;
// print(string.Format("Record buffer pos = {0} : Record time = {1}:{2}", recordpos, datalength / exinfo.defaultfrequency / exinfo.numchannels / 2 / 60, (datalength / exinfo.defaultfrequency / exinfo.numchannels / 2) % 60));
// System.Threading.Thread.Sleep(10);
yield return(null);
}
}
private void PitchDetection_Load(object sender, System.EventArgs e)
{
int numdrivers = 0;
uint version = 0;
FMOD.RESULT result;
StringBuilder drivername = new StringBuilder(256);
FMOD.GUID guid = new FMOD.GUID();
comboBoxOutput.Enabled = true;
comboBoxPlayback.Enabled = false;
comboBoxRecord.Enabled = false;
/*
* Global Settings
*/
result = FMOD.Factory.System_Create(ref system);
ERRCHECK(result);
result = system.getVersion(ref version);
ERRCHECK(result);
if (version < FMOD.VERSION.number)
{
MessageBox.Show("Error! You are using an old version of FMOD " + version.ToString("X") + ". This program requires " + FMOD.VERSION.number.ToString("X") + ".");
Application.Exit();
}
/*
* Get output modes
*/
comboBoxOutput.Items.Add("DirectSound");
comboBoxOutput.Items.Add("Windows Multimedia WaveOut");
comboBoxOutput.Items.Add("ASIO");
/*
* Get Playback drivers
*/
result = system.getNumDrivers(ref numdrivers);
ERRCHECK(result);
for (int count = 0; count < numdrivers; count++)
{
result = system.getDriverInfo(count, drivername, drivername.Capacity, ref guid);
ERRCHECK(result);
comboBoxPlayback.Items.Add(drivername.ToString());
}
/*
* Get Record drivers
*/
result = system.getRecordNumDrivers(ref numdrivers);
ERRCHECK(result);
for (int count = 0; count < numdrivers; count++)
{
result = system.getRecordDriverInfo(count, drivername, drivername.Capacity, ref guid);
ERRCHECK(result);
comboBoxRecord.Items.Add(drivername.ToString());
}
}
