public AndroidAudioInAEC(Voice.ILogger logger, bool enableAEC = false, bool enableAGC = false, bool enableNS = false)
{
// true means to use a route-dependent value which is usually the sample rate of the source
// otherwise, 44100 Hz requested
// On Android 4.4.4 (probably on all < 6.0), auto does not work: java.lang.IllegalArgumentException: 0Hz is not a supported sample rate.
const bool SAMPLE_RATE_AUTO = false;
// 44100Hz is currently the only rate that is guaranteed to work on all devices
// used for GetMinBufferSize call even if SAMPLE_RATE_AUTO = true
const int SAMPLE_RATE_44100 = 44100;
const int SAMPLE_RATE_UNSPECIFIED = 0;
const int SAMPLE_RATE_REQUEST = SAMPLE_RATE_AUTO ? SAMPLE_RATE_UNSPECIFIED : SAMPLE_RATE_44100;
this.logger = logger;
try
{
this.callback = new DataCallback();
audioIn = new AndroidJavaObject("com.exitgames.photon.audioinaec.AudioInAEC");
//bool aecAvailable = audioIn.Call<bool>("AECIsAvailable");
int minBufSize = audioIn.Call <int>("GetMinBufferSize", SAMPLE_RATE_44100, Channels);
logger.LogInfo("[PV] AndroidAudioInAEC: AndroidJavaObject created: aec: {0}/{1}, agc: {2}/{3}, ns: {4}/{5} minBufSize: {6}",
enableAEC, audioIn.Call <bool>("AECIsAvailable"),
enableAGC, audioIn.Call <bool>("AGCIsAvailable"),
enableNS, audioIn.Call <bool>("NSIsAvailable"),
minBufSize);
AndroidJavaClass app = new AndroidJavaClass("com.unity3d.player.UnityPlayer");
AndroidJavaObject activity = app.GetStatic <AndroidJavaObject>("currentActivity");
// Set buffer IntPtr reference separately via pure jni call, pass other values and start capture via AndroidJavaObject helper
var ok = audioIn.Call <bool>("Start", activity, this.callback, SAMPLE_RATE_REQUEST, Channels, minBufSize * 4, enableAEC, enableAGC, enableNS);
if (ok)
{
audioInSampleRate = audioIn.Call <int>("GetSampleRate");
logger.LogInfo("[PV] AndroidAudioInAEC: AndroidJavaObject started: {0}, sampling rate: {1}, channels: {2}, record buffer size: {3}", ok, SamplingRate, Channels, minBufSize * 4);
}
else
{
Error = "[PV] AndroidAudioInAEC constructor: calling Start java method failure";
logger.LogError("[PV] AndroidAudioInAEC: {0}", Error);
}
}
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 AndroidAudioInAEC constructor";
}
logger.LogError("[PV] AndroidAudioInAEC: {0}", Error);
}
}
public MicWrapper(string device, int suggestedFrequency, Voice.ILogger logger)
{
try
{
this.device = device;
if (Microphone.devices.Length < 1)
{
Error = "No microphones found (Microphone.devices is empty)";
logger.LogError("[PV] MicWrapper: " + Error);
return;
}
if (!string.IsNullOrEmpty(device) && !Microphone.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);
Microphone.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 = Microphone.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 UnityAndroidAudioInAEC(Voice.ILogger logger)
{
this.logger = logger;
try
{
this.callback = new DataCallback();
audioIn = new AndroidJavaObject("com.exitgames.photon.audioinaec.AudioInAEC");
bool aecAvailable = audioIn.Call <bool>("AECIsAvailable");
int minBufSize = audioIn.Call <int>("GetMinBufferSize", SamplingRate, Channels);
logger.LogInfo("[PV] UnityAndroidAudioInAEC: AndroidJavaObject created: aecAvailable: {0}, minBufSize: {1}", aecAvailable, minBufSize);
AndroidJavaClass app = new AndroidJavaClass("com.unity3d.player.UnityPlayer");
AndroidJavaObject activity = app.GetStatic <AndroidJavaObject>("currentActivity");
// Set buffer IntPtr reference separately via pure jni call, pass other values and start capture via AndroidJavaObject helper
var ok = audioIn.Call <bool>("Start", activity, this.callback, SamplingRate, Channels, minBufSize * 4, aecAvailable);
if (ok)
{
logger.LogInfo("[PV] UnityAndroidAudioInAEC: AndroidJavaObject started: {0}, sampling rate: {1}, channels: {2}, record buffer size: {3}, aec: {4}", ok, SamplingRate, Channels, minBufSize * 4, aecAvailable);
}
else
{
Error = "[PV] UnityAndroidAudioInAEC constructor: calling Start java method failure";
logger.LogError("[PV] UnityAndroidAudioInAEC: {0}", Error);
}
}
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 WindowsAudioInPusher constructor";
}
logger.LogError("[PV] UnityAndroidAudioInAEC: {0}", Error);
}
}