/// <summary>
/// Check and fix any problem with hardware.
/// </summary>
private void CheckDriver()
{
//Get number of driver available
int DriverNumber = 0;
CheckError(m_System.getNumDrivers(ref DriverNumber));
//Driver checking
#region Solve hardware problems
//If there's 0 driver, no sound
if (DriverNumber <= 0)
{
CheckError(m_System.setOutput(OUTPUTTYPE.NOSOUND));
}
else
{
//Get driver capability
int MinFreq = 0, MaxFreq = 0;
CAPS Capability = CAPS.NONE;
SPEAKERMODE Speakermode = SPEAKERMODE.STEREO;
CheckError(m_System.getDriverCaps(0, ref Capability, ref MinFreq, ref MaxFreq, ref Speakermode));
//Set spearker mode according to the driver
CheckError(m_System.setSpeakerMode(Speakermode));
//Set buffer if not using hardware accceleration
if ((Capability & CAPS.HARDWARE_EMULATED) == CAPS.HARDWARE_EMULATED)
{
CheckError(m_System.setDSPBufferSize(Global.EMULATED_BUFFERSIZE, Global.EMULATED_BUFFERCOUNT));
}
//Get user driver data
GUID Guid = new GUID();
StringBuilder DriverName = new StringBuilder(Global.MAX_DRIVERNAME);
CheckError(m_System.getDriverInfo(0, DriverName, Global.MAX_DRIVERNAME, ref Guid));
//If driver is sigmatel
if (DriverName.Equals(new StringBuilder((Global.SIGMATEL_DRIVERNAME))))
{
//Fix crackling
CheckError(m_System.setSoftwareFormat(
Global.SIGMATEL_SAMPLERATE,
SOUND_FORMAT.PCMFLOAT,
0,
0,
DSP_RESAMPLER.LINEAR));
}
}
#endregion
}
///<summary>
/// Return an array of strings which are the driver names for the playback devices.
///</summary>
public string[] GetAllPlaybackDevices(FMOD.System fmod)
{
FMOD.RESULT result;
int numPlaybackDevices = 0;
StringBuilder drivername = new StringBuilder(256);
// Get playback drivers
result = fmod.getNumDrivers(ref numPlaybackDevices);
CheckRetCode(result);
string[] playbackDeviceNames = new string[numPlaybackDevices];
for (int count = 0; count < numPlaybackDevices; count++)
{
FMOD.GUID guid = new FMOD.GUID();
result = fmod.getDriverInfo(count, drivername, drivername.Capacity, ref guid);
// result = fmod.getDriverName(count, drivername, drivername.Capacity);
CheckRetCode(result);
playbackDeviceNames[count] = drivername.ToString();
}
return(playbackDeviceNames);
}
private void comboBoxOutput_SelectedIndexChanged(object sender, System.EventArgs e)
{
FMOD.RESULT result = FMOD.RESULT.OK;
StringBuilder drivername = new StringBuilder(256);
int numdrivers = 0;
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;
}
ERRCHECK(result);
/*
* 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());
}
comboBoxPlayback.Enabled = true;
}
// ========================================================================================================================================
#region User support
/// <summary>
/// Enumerates available audio outputs in the system and returns their names.
/// </summary>
/// <returns></returns>
public List <string> AvailableOutputs()
{
List <string> availableDriversNames = new List <string>();
int numDrivers;
result = system.getNumDrivers(out numDrivers);
ERRCHECK(result, "system.getNumDrivers");
for (int i = 0; i < numDrivers; ++i)
{
int namelen = 255;
System.Text.StringBuilder name = new System.Text.StringBuilder(namelen);
System.Guid guid;
int systemrate;
FMOD.SPEAKERMODE speakermode;
int speakermodechannels;
result = system.getDriverInfo(i, name, namelen, out guid, out systemrate, out speakermode, out speakermodechannels);
ERRCHECK(result, "system.getDriverInfo");
availableDriversNames.Add(name.ToString());
LOG(LogLevel.DEBUG, "{0}{1}guid: {2}{3}systemrate: {4}{5}speaker mode: {6}{7}channels: {8}"
, name
, System.Environment.NewLine
, guid
, System.Environment.NewLine
, systemrate
, System.Environment.NewLine
, speakermode
, System.Environment.NewLine
, speakermodechannels
);
}
return(availableDriversNames);
}
private void MultipleSoundCard_Load(object sender, System.EventArgs e)
{
FMOD.RESULT result;
uint version = 0;
int numdrivers = 0;
StringBuilder drivername = new StringBuilder(256);
FMOD.GUID guid = new FMOD.GUID();
playA.Enabled = false;
playB.Enabled = false;
/*
* Create Sound Card A
*/
result = FMOD.Factory.System_Create(ref systemA);
ERRCHECK(result);
result = systemA.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();
}
result = systemA.getNumDrivers(ref numdrivers);
ERRCHECK(result);
for (int count = 0; count < numdrivers; count++)
{
result = systemA.getDriverInfo(count, drivername, drivername.Capacity, ref guid);
ERRCHECK(result);
comboBox1.Items.Add(drivername.ToString());
}
/*
* Create Sound Card B
*/
result = FMOD.Factory.System_Create(ref systemB);
ERRCHECK(result);
result = systemB.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();
}
result = systemB.getNumDrivers(ref numdrivers);
ERRCHECK(result);
for (int count = 0; count < numdrivers; count++)
{
result = systemB.getDriverInfo(count, drivername, drivername.Capacity, ref guid);
ERRCHECK(result);
comboBox2.Items.Add(drivername.ToString());
}
}
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());
}
}