private void Awake()
{
// First we run through some Android specifics. Android requires explicit permission requests before the audio context can be created.
// Beware that failing these will not necessarily report permission errors, but rather device creation errors.
// Additionally, the library prefers the audio in communication mode, so we switch that too.
if (Application.platform == RuntimePlatform.Android)
{
if (!Permission.HasUserAuthorizedPermission(Permission.Microphone))
{
Permission.RequestUserPermission(Permission.Microphone);
}
try
{
AndroidJavaClass unityPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer");
AndroidJavaObject activity = unityPlayer.GetStatic <AndroidJavaObject>("currentActivity");
AndroidJavaObject audioManager = activity.Call <AndroidJavaObject>("getSystemService", "audio");
int mode1 = audioManager.Call <Int32>("getMode");
audioManager.Call("setMode", 3); // 3 is Communication Mode
int mode2 = audioManager.Call <Int32>("getMode");
Debug.Log($"Android Audio Mode changed from {mode1} to {mode2}");
}
catch (Exception e)
{
Debug.Log(e.ToString());
}
}
threads = WebRtcThreads.Acquire();
// the default audio device module must be created on the worker thread
adm = AudioDeviceModuleFactory.CreateDefault(threads.threads[1]); // by convention 1 is the worker (see call below)
// adm is now initialised
factory = PeerConnectionFactory.Create(
threads.threads[0],
threads.threads[1],
threads.threads[2], // This is the main signalling thread
adm,
AudioEncoderFactory.CreateBuiltin(),
AudioDecoderFactory.CreateBuiltin(),
VideoEncoderFactory.CreateBuiltin(),
VideoDecoderFactory.CreateBuiltin(),
null,
null);
playoutHelper = new AudioDeviceHelper(PlayoutDevices, ChangePlayoutDevice);
recordingHelper = new AudioDeviceHelper(RecordingDevices, ChangeRecordingDevice);
pcs = new List <WebRtcPeerConnection>();
}
public static unsafe extern uint LibraryUseAudioDeviceModule(AudioDeviceModule adm);