// TODO: Check for more effective way of clearing removed drivers and adding new ones
/// <summary>
/// Called if the number of recording drivers is not equal to the number of drivers we have reference to.
/// Will completely clear and refill our dictionary of drivers.
/// Plus, it will stop all recording sounds.
/// </summary>
void RefreshRecordingDrivers()
{
if (OnDriverRefresh != null)
{
OnDriverRefresh.Invoke();
}
// Remove all our previous drivers as they're going to probably be in the wrong order or just not there anymore
allRecordDrivers.Clear();
// Get number of drivers
RESULT result = RESULT.OK;
result = LowLevelSystem.getRecordNumDrivers(out NumberOfDrivers, out NumberOfConnectedDrivers);
CheckResult(result, "FMOD.GetRecordNumDrivers");
// Add our new list of drivers
for (int i = 0; i < NumberOfDrivers; i++)
{
RecordDriver tempDriver = new RecordDriver();
LowLevelSystem.getRecordDriverInfo(i, out tempDriver.name, Settings.Instance.DriverNameLength, out tempDriver.guid, out tempDriver.systemRate, out tempDriver.speakerMode, out tempDriver.speakerModeChannels, out tempDriver.state);
tempDriver.id = i;
allRecordDrivers.Add(tempDriver.id, tempDriver);
}
// If there are sounds recording, stop them.
// (Assumption) FMOD will stop recording anyway as connections will be lost
if (recordingSounds.Count > 0)
{
foreach (KeyValuePair <int, RecordingSound> entry in recordingSounds)
{
entry.Value.Stop();
}
}
}
/// <summary>
/// Called when Extensions is initalised. Will not update removed or added drivers
/// </summary>
void GetRecordingInformation()
{
RESULT result = RESULT.OK;
result = LowLevelSystem.getRecordNumDrivers(out NumberOfDrivers, out NumberOfConnectedDrivers);
CheckResult(result, "FMOD.GetRecordNumDrivers");
if (NumberOfDrivers == 0)
{
UnityEngine.Debug.LogWarning("FMOD Extensions: No recording drivers found!");
return;
}
for (int i = 0; i < NumberOfDrivers; i++)
{
RecordDriver tempDriver = new RecordDriver();
LowLevelSystem.getRecordDriverInfo(i, out tempDriver.name, Settings.Instance.DriverNameLength, out tempDriver.guid, out tempDriver.systemRate, out tempDriver.speakerMode, out tempDriver.speakerModeChannels, out tempDriver.state);
tempDriver.id = i;
if (!allRecordDrivers.ContainsKey(i))
{
allRecordDrivers.Add(i, tempDriver);
}
}
}
/// <summary>
/// Record what is coming in from the given driver
/// </summary>
/// <returns>The record.</returns>
/// <param name="driver">Driver.</param>
public static RecordingSound StartRecording(RecordDriver driver, ChannelGroup channelgroup = new ChannelGroup())
{
if (driver.id == -1)
{
return(new RecordingSound());
}
RESULT result = RESULT.OK;
CREATESOUNDEXINFO exInfo = new CREATESOUNDEXINFO();
exInfo.cbsize = Marshal.SizeOf(exInfo);
exInfo.numchannels = driver.speakerModeChannels;
exInfo.format = SOUND_FORMAT.PCM16;
exInfo.defaultfrequency = driver.systemRate;
exInfo.length = (uint)driver.systemRate * (uint)driver.speakerModeChannels * 16; // (FROM FMOD EXAMPLES): nativeRate * sizeof(short) * nativeChannels
// I'm just saying 16 as that's the size of a short
Sound sound;
result = Instance.LowLevelSystem.createSound(IntPtr.Zero, MODE.LOOP_NORMAL | MODE.OPENUSER, ref exInfo, out sound);
Instance.CheckResult(result, "FMOD.CreateSound");
result = Instance.LowLevelSystem.recordStart(driver.id, sound, true);
Instance.CheckResult(result, "FMOD.RecordStart");
uint soundLength = 0;
result = sound.getLength(out soundLength, TIMEUNIT.PCM);
Instance.CheckResult(result, "Sound.GetLength");
// Add our currently recording sound to our dictionary so we can check its record position and do stuff to it in update
RecordingSound recordingSound = new RecordingSound
{
driver = driver,
sound = sound
};
if (channelgroup.hasHandle())
{
recordingSound.channelGroup = channelgroup;
}
RecordingSound temp = new RecordingSound();
if (Instance.recordingSounds.TryGetValue(driver.id, out temp))
{
return(temp);
}
Instance.recordingSounds.Add(driver.id, recordingSound);
return(recordingSound);
}