public void Dispose()
{
if (this.pushCallback != null && this.audioOutCapture != null)
{
this.audioOutCapture.OnAudioFrame -= this.AudioOutCaptureOnOnAudioFrame;
}
UnityMicrophone.End(this.device);
if (this.destroyGameObjectOnStop && this.audioSource != null)
{
UnityEngine.Object.Destroy(this.audioSource.gameObject);
}
}
public MicWrapper(string device, int suggestedFrequency, ILogger logger)
{
try
{
this.device = device;
this.logger = logger;
if (UnityMicrophone.devices.Length < 1)
{
Error = "No microphones found (UnityMicrophone.devices is empty)";
logger.LogError("[PV] MicWrapper: " + Error);
return;
}
if (!string.IsNullOrEmpty(device) && !UnityMicrophone.devices.Contains(device))
{
logger.LogError(string.Format("[PV] MicWrapper: \"{0}\" is not a valid Unity microphone device, falling back to default one", device));
device = null;
}
int minFreq;
int maxFreq;
logger.LogInfo("[PV] MicWrapper: initializing microphone '{0}', suggested frequency = {1}).", device, suggestedFrequency);
UnityMicrophone.GetDeviceCaps(device, out minFreq, out maxFreq);
var frequency = suggestedFrequency;
// minFreq = maxFreq = 44100; // test like android client
if (suggestedFrequency < minFreq || maxFreq != 0 && suggestedFrequency > maxFreq)
{
logger.LogWarning("[PV] MicWrapper does not support suggested frequency {0} (min: {1}, max: {2}). Setting to {2}",
suggestedFrequency, minFreq, maxFreq);
frequency = maxFreq;
}
this.mic = UnityMicrophone.Start(device, true, 1, frequency);
logger.LogInfo("[PV] MicWrapper: microphone '{0}' initialized, frequency = {1}, channels = {2}.", device, this.mic.frequency, this.mic.channels);
}
catch (Exception e)
{
Error = e.ToString();
if (Error == null) // should never happen but since Error used as validity flag, make sure that it's not null
{
Error = "Exception in MicWrapper constructor";
}
logger.LogError("[PV] MicWrapper: " + Error);
}
}
public bool Read(float[] buffer)
{
if (Error != null)
{
return(false);
}
int micPos = UnityMicrophone.GetPosition(this.device);
// loop detection
if (micPos < micPrevPos)
{
micLoopCnt++;
}
micPrevPos = micPos;
var micAbsPos = micLoopCnt * this.mic.samples + micPos;
if (mic.channels == 0)
{
Error = "Number of channels is 0 in Read()";
logger.LogError("[PV] MicWrapper: " + Error);
return(false);
}
var bufferSamplesCount = buffer.Length / mic.channels;
var nextReadPos = this.readAbsPos + bufferSamplesCount;
if (nextReadPos < micAbsPos)
{
this.mic.GetData(buffer, this.readAbsPos % this.mic.samples);
this.readAbsPos = nextReadPos;
return(true);
}
else
{
return(false);
}
}
public void Dispose()
{
UnityMicrophone.End(this.device);
}
public MicWrapperPusher(string device, Transform parentTransform, int suggestedFrequency, ILogger lg, bool destroyOnStop = true)
{
try
{
this.logger = lg;
this.device = device;
this.destroyGameObjectOnStop = destroyOnStop;
if (UnityMicrophone.devices.Length < 1)
{
this.Error = "No microphones found (Microphone.devices is empty)";
this.logger.LogError("[PV] MicWrapperPusher: {0}", this.Error);
return;
}
if (!string.IsNullOrEmpty(device) && !UnityMicrophone.devices.Contains(device))
{
this.logger.LogError("[PV] MicWrapperPusher: \"{0}\" is not a valid Unity microphone device, falling back to default one", device);
device = UnityMicrophone.devices[0];
}
this.sampleRate = AudioSettings.outputSampleRate;
switch (AudioSettings.speakerMode)
{
case AudioSpeakerMode.Mono: this.channels = 1; break;
case AudioSpeakerMode.Stereo: this.channels = 2; break;
default:
this.Error = string.Concat("Only Mono and Stereo project speaker mode supported. Current mode is ", AudioSettings.speakerMode);
this.logger.LogError("[PV] MicWrapperPusher: {0}", this.Error);
return;
}
int minFreq;
int maxFreq;
this.logger.LogInfo("[PV] MicWrapperPusher: initializing microphone '{0}', suggested frequency = {1}).", device, suggestedFrequency);
UnityMicrophone.GetDeviceCaps(device, out minFreq, out maxFreq);
int frequency = suggestedFrequency;
// minFreq = maxFreq = 44100; // test like android client
if (suggestedFrequency < minFreq || maxFreq != 0 && suggestedFrequency > maxFreq)
{
this.logger.LogWarning("[PV] MicWrapperPusher does not support suggested frequency {0} (min: {1}, max: {2}). Setting to {2}",
suggestedFrequency, minFreq, maxFreq);
frequency = maxFreq;
}
GameObject gO = new GameObject("[PV] MicWrapperPusher: AudioSource + AudioOutCapture");
if (!parentTransform || parentTransform == null)
{
this.logger.LogWarning("[PV] MicWrapperPusher: Parent transform passed is destroyed or null. Creating AudioSource GameObject at root.");
}
else
{
gO.transform.SetParent(parentTransform, false);
if (!gO.activeSelf)
{
this.logger.LogWarning("[PV] MicWrapperPusher: AudioSource GameObject inactive, activating it.");
this.audioSource.gameObject.SetActive(true);
}
if (!gO.activeInHierarchy)
{
this.Error = "AudioSource GameObject is not active in hierarchy, audio input can't work.";
this.logger.LogError("[PV] MicWrapperPusher: {0}", this.Error);
return;
}
}
this.audioSource = gO.AddComponent <AudioSource>();
this.audioOutCapture = this.audioSource.gameObject.AddComponent <AudioOutCapture>();
this.mic = UnityMicrophone.Start(device, true, 1, frequency);
this.audioSource.mute = true;
this.audioSource.volume = 0f;
this.audioSource.clip = this.mic;
this.audioSource.loop = true;
this.audioSource.Play();
this.logger.LogInfo("[PV] MicWrapperPusher: microphone '{0}' initialized, frequency = in:{1}|out:{2}, channels = in:{3}|out:{4}.", device, this.mic.frequency, this.SamplingRate, this.mic.channels, this.Channels);
}
catch (Exception e)
{
this.Error = e.ToString();
if (this.Error == null) // should never happen but since Error used as validity flag, make sure that it's not null
{
this.Error = "Exception in MicWrapperPusher constructor";
}
this.logger.LogError("[PV] MicWrapperPusher: {0}", this.Error);
}
}