/// <summary>
/// Initializes the audio handlers (microphone, speaker, DTMF player etc.).
/// </summary>
private void InitAudio()
{
// ----- CREATE -----
// devices
Microphone = Microphone.GetDefaultDevice();
Speaker = Speaker.GetDefaultDevice();
// audio processors
if (Microphone == null)
{
AudioEnhancer = new AudioQualityEnhancer(new AudioFormat());
}
else
{
AudioEnhancer = new AudioQualityEnhancer(Microphone.MediaFormat);
}
AudioEnhancer.SetEchoSource(Speaker);
_dtmfPlayer = new DtmfEventWavePlayer();
// ringtones
var ringbackStream = LoadRingbackStream();
var ringtoneStream = LoadRingtoneStream();
_ringtonePlayer = new WaveStreamPlayback(ringtoneStream, true, false);
_ringbackPlayer = new WaveStreamPlayback(ringbackStream, true, false);
// mixers
//outgoingDataMixer = new AudioForwarder();
//speakerMixer = new AudioForwarder();
//recordDataMixer = new AudioForwarder();
// phone handlers
_phoneCallAudioSender = new PhoneCallAudioSender();
_phoneCallAudioReceiver = new PhoneCallAudioReceiver();
// ----- CONNECT -----
// connect outgoing
//audioConnector.Connect(AudioEnhancer, outgoingDataMixer);
//audioConnector.Connect(outgoingDataMixer, phoneCallAudioSender);
//audioConnector.Connect(outgoingDataMixer, recordDataMixer);
_audioConnector.Connect(AudioEnhancer, _phoneCallAudioSender);
if (Microphone != null)
{
Microphone.LevelChanged += (Microphone_LevelChanged);
_audioConnector.Connect(Microphone, AudioEnhancer);
}
// connect incoming
if (Speaker != null)
{
Speaker.LevelChanged += (Speaker_LevelChanged);
_audioConnector.Connect(_phoneCallAudioReceiver, Speaker);
_audioConnector.Connect(_ringtonePlayer, Speaker);
_audioConnector.Connect(_ringbackPlayer, Speaker);
_audioConnector.Connect(_dtmfPlayer, Speaker);
}
}
static void Main(string[] args)
{
microphone = Microphone.GetDefaultDevice();
speaker = Speaker.GetDefaultDevice();
connector = new MediaConnector();
audioProcessor = new AudioQualityEnhancer();
audioProcessor.NoiseReductionLevel = NoiseReductionLevel.Medium;
audioProcessor.SetEchoSource(speaker);
connector.Connect(microphone, audioProcessor);
connector.Connect(audioProcessor, speaker);
microphone.Start();
speaker.Start();
Console.ReadLine();
}
static void Main(string[] args)
{
microphone = Microphone.GetDefaultDevice();
speaker = Speaker.GetDefaultDevice();
connector = new MediaConnector();
audioProcessor = new AudioQualityEnhancer();
audioProcessor.AcousticEchoCancellation = true; // acoustic echo cancellation is enabled
audioProcessor.SetEchoSource(speaker); // sets the speaker to be the source of the echo
connector.Connect(microphone, audioProcessor); // voice data is being sent through the enhancer
connector.Connect(audioProcessor, speaker);
audioProcessor.Start();
microphone.Start();
speaker.Start();
Console.ReadLine();
}
static void Main(string[] args)
{
microphone = Microphone.GetDefaultDevice();
speaker = Speaker.GetDefaultDevice();
connector = new MediaConnector();
audioProcessor = new AudioQualityEnhancer();
audioProcessor.AutoGainControl = true; //enable
audioProcessor.GainSpeed = 12;
audioProcessor.MaxGain = 30;
connector.Connect(microphone, audioProcessor);
connector.Connect(audioProcessor, speaker);
microphone.Start();
speaker.Start();
Console.ReadLine();
}
/// <summary>
/// Initializes the audio handlers (microphone, speaker, DTMF player etc.).
/// </summary>
private void InitAudio()
{
// ----- CREATE -----
// devices
Microphone = Microphone.GetDefaultDevice();
Speaker = Speaker.GetDefaultDevice();
// audio processors
AudioEnhancer = new AudioQualityEnhancer();
AudioEnhancer.SetEchoSource(Speaker);
dtmfPlayer = new DtmfEventWavePlayer();
// ringtones
var ringbackStream = LoadRingbackStream();
var ringtoneStream = LoadRingtoneStream();
ringtonePlayer = new WaveStreamPlayback(ringtoneStream, true, false);
ringbackPlayer = new WaveStreamPlayback(ringbackStream, true, false);
// mixers
outgoingDataMixer = new AudioMixerMediaHandler();
speakerMixer = new AudioMixerMediaHandler();
recordDataMixer = new AudioMixerMediaHandler();
// phone handlers
phoneCallAudioSender = new PhoneCallAudioSender();
phoneCallAudioReceiver = new PhoneCallAudioReceiver();
// ----- CONNECT -----
// connect outgoing
audioConnector.Connect(AudioEnhancer, outgoingDataMixer);
audioConnector.Connect(outgoingDataMixer, phoneCallAudioSender);
audioConnector.Connect(outgoingDataMixer, recordDataMixer);
if (Microphone != null)
{
Microphone.LevelChanged += (Microphone_LevelChanged);
audioConnector.Connect(Microphone, AudioEnhancer);
}
// connect incoming
audioConnector.Connect(phoneCallAudioReceiver, speakerMixer);
audioConnector.Connect(phoneCallAudioReceiver, recordDataMixer);
audioConnector.Connect(ringtonePlayer, speakerMixer);
audioConnector.Connect(ringbackPlayer, speakerMixer);
audioConnector.Connect(dtmfPlayer, speakerMixer);
if (Speaker != null)
{
Speaker.LevelChanged += (Speaker_LevelChanged);
audioConnector.Connect(speakerMixer, Speaker);
}
// add to collection
Dictionary<string, VoIPMediaHandler> collection = new Dictionary<string, VoIPMediaHandler>();
collection.Add("AudioEnhancer", AudioEnhancer);
collection.Add("DTMFPlayer", dtmfPlayer);
collection.Add("OutgoingDataMixer", outgoingDataMixer);
collection.Add("SpeakerMixer", speakerMixer);
collection.Add("PhoneCallAudioSender", phoneCallAudioSender);
collection.Add("PhoneCallAudioReceiver", phoneCallAudioReceiver);
audioCollection = new MediaHandlerCollection(audioConnector, collection);
}
/// <summary>
/// Initializes the audio handlers (microphone, speaker, DTMF player etc.).
/// </summary>
private void InitAudio()
{
// ----- CREATE -----
// devices
Microphone = Microphone.GetDefaultDevice();
Speaker = Speaker.GetDefaultDevice();
// audio processors
AudioEnhancer = new AudioQualityEnhancer();
AudioEnhancer.SetEchoSource(Speaker);
dtmfPlayer = new DtmfEventWavePlayer();
// ringtones
var ringbackStream = LoadRingbackStream();
var ringtoneStream = LoadRingtoneStream();
ringtonePlayer = new WaveStreamPlayback(ringtoneStream, true, false);
ringbackPlayer = new WaveStreamPlayback(ringbackStream, true, false);
// mixers
outgoingDataMixer = new AudioMixerMediaHandler();
speakerMixer = new AudioMixerMediaHandler();
recordDataMixer = new AudioMixerMediaHandler();
// phone handlers
phoneCallAudioSender = new PhoneCallAudioSender();
phoneCallAudioReceiver = new PhoneCallAudioReceiver();
// ----- CONNECT -----
// connect outgoing
audioConnector.Connect(AudioEnhancer, outgoingDataMixer);
audioConnector.Connect(outgoingDataMixer, phoneCallAudioSender);
audioConnector.Connect(outgoingDataMixer, recordDataMixer);
if (Microphone != null)
{
Microphone.LevelChanged += (Microphone_LevelChanged);
audioConnector.Connect(Microphone, AudioEnhancer);
}
// connect incoming
audioConnector.Connect(phoneCallAudioReceiver, speakerMixer);
audioConnector.Connect(phoneCallAudioReceiver, recordDataMixer);
audioConnector.Connect(ringtonePlayer, speakerMixer);
audioConnector.Connect(ringbackPlayer, speakerMixer);
audioConnector.Connect(dtmfPlayer, speakerMixer);
if (Speaker != null)
{
Speaker.LevelChanged += (Speaker_LevelChanged);
audioConnector.Connect(speakerMixer, Speaker);
}
// add to collection
Dictionary <string, VoIPMediaHandler> collection = new Dictionary <string, VoIPMediaHandler>();
collection.Add("AudioEnhancer", AudioEnhancer);
collection.Add("DTMFPlayer", dtmfPlayer);
collection.Add("OutgoingDataMixer", outgoingDataMixer);
collection.Add("SpeakerMixer", speakerMixer);
collection.Add("PhoneCallAudioSender", phoneCallAudioSender);
collection.Add("PhoneCallAudioReceiver", phoneCallAudioReceiver);
audioCollection = new MediaHandlerCollection(audioConnector, collection);
}
/// <summary>
/// Creates a complex phone call listener, built up from microphone, speaker, waverecorder, waveplayer, dtmf and ringtone sounds.
/// </summary>
/// <returns>The media handler collection that represent the phone call listener.</returns>
public MediaHandlerCollection CreateSoftPhoneCallListener()
{
var phoneCallAudioReceiver = new PhoneCallAudioReceiver();
var phoneCallAudioSender = new PhoneCallAudioSender();
var microphone = Microphone.GetDefaultDevice();
var speaker = Speaker.GetDefaultDevice();
var audioProcessor = new AudioQualityEnhancer();
audioProcessor.SetEchoSource(speaker); // Handles the audio that comes from the PhoneCallListener
var outgoingDataMixer = new AudioMixerMediaHandler();
var recordDataMixer = new AudioMixerMediaHandler();
var speakerMixer = new AudioMixerMediaHandler();
var dtmf = new DtmfEventWavePlayer();
var ringtones = new PhoneCallStateWavePlayer(
commonWaveFormat,
outGoingToneStreams,
incomingToneStreams
);
if (microphone != null)
{
mediaConnector.Connect(microphone, audioProcessor);
}
mediaConnector.Connect(audioProcessor, outgoingDataMixer);
mediaConnector.Connect(outgoingDataMixer, phoneCallAudioSender);
// No WaveStreamPlayback (see CreateWaveStreamPlayback method)
//mediaConnector.Connect(phoneCallAudioReceiver, speaker);
mediaConnector.Connect(phoneCallAudioReceiver, speakerMixer);
mediaConnector.Connect(dtmf, speakerMixer);
mediaConnector.Connect(ringtones, speakerMixer);
if (speaker != null)
{
mediaConnector.Connect(speakerMixer, speaker);
}
mediaConnector.Connect(phoneCallAudioReceiver, recordDataMixer);
mediaConnector.Connect(outgoingDataMixer, recordDataMixer);
// No WaveStreamRecorder (see CreateWaveStreamRecorder method)
/*
* Media Connections:
*
* +---------------------------------------------------------------+
* | PhoneCall |**************
* +---------------------------------------------------------------+ * *
* ^^ VV * *
* +--------------------+ +----------------------+ +----+ +---------+
* |PhoneCallAudioSender| |PhoneCallAudioReceiver| |DMTF| |Ringtones|
* +--------------------+ +----------------------+ +----+ +---------+
* ^^ V V V |
* +-----------------+ +---------------+ +------------+ |
* |OutgoingDataMixer|----- >> -----|RecordDataMixer| |SpeakerMixer|--<<--/
* +-----------------+ +---------------+ +------------+
* ^^ ^^ V |
*+--------------+ +------------------+ +------------------+ |
*|AudioProcessor| |WaveStreamPlayback| |WaveStreamRecorder| V
*+--------------+ +------------------+ +------------------+ V
* ^^ |
* +----------+ +-------+
* |Microphone| |Speaker|
* +----------+ +-------+
*/
var mediaHandlers = new Dictionary <string, VoIPMediaHandler>
{
{ "AudioProcessor", audioProcessor },
{ "OutGoingDataMixer", outgoingDataMixer },
{ "RecordDataMixer", recordDataMixer },
{ "SpeakerMixer", speakerMixer },
{ "DTMF", dtmf },
{ "Ringtones", ringtones },
{ "AudioSender", phoneCallAudioSender },
{ "AudiReceiver", phoneCallAudioReceiver },
};
if (microphone != null)
{
mediaHandlers.Add("Microphone", microphone);
}
if (speaker != null)
{
mediaHandlers.Add("Speaker", speaker);
}
return(new MediaHandlerCollection(mediaConnector, mediaHandlers));
}
/// <summary>
/// Creates a complex phone call listener, built up from microphone, speaker, waverecorder, waveplayer, dtmf and ringtone sounds.
/// </summary>
/// <returns>The media handler collection that represent the phone call listener.</returns>
public MediaHandlerCollection CreateSoftPhoneCallListener()
{
var phoneCallAudioReceiver = new PhoneCallAudioReceiver();
var phoneCallAudioSender = new PhoneCallAudioSender();
var microphone = Microphone.GetDefaultDevice();
var speaker = Speaker.GetDefaultDevice();
var audioProcessor = new AudioQualityEnhancer();
audioProcessor.SetEchoSource(speaker); // Handles the audio that comes from the PhoneCallListener
var outgoingDataMixer = new AudioMixerMediaHandler();
var recordDataMixer = new AudioMixerMediaHandler();
var speakerMixer = new AudioMixerMediaHandler();
var dtmf = new DtmfEventWavePlayer();
var ringtones = new PhoneCallStateWavePlayer(
commonWaveFormat,
outGoingToneStreams,
incomingToneStreams
);
if (microphone != null) mediaConnector.Connect(microphone, audioProcessor);
mediaConnector.Connect(audioProcessor, outgoingDataMixer);
mediaConnector.Connect(outgoingDataMixer, phoneCallAudioSender);
// No WaveStreamPlayback (see CreateWaveStreamPlayback method)
//mediaConnector.Connect(phoneCallAudioReceiver, speaker);
mediaConnector.Connect(phoneCallAudioReceiver, speakerMixer);
mediaConnector.Connect(dtmf, speakerMixer);
mediaConnector.Connect(ringtones, speakerMixer);
if (speaker != null) mediaConnector.Connect(speakerMixer, speaker);
mediaConnector.Connect(phoneCallAudioReceiver, recordDataMixer);
mediaConnector.Connect(outgoingDataMixer, recordDataMixer);
// No WaveStreamRecorder (see CreateWaveStreamRecorder method)
/*
* Media Connections:
*
* +---------------------------------------------------------------+
* | PhoneCall |**************
* +---------------------------------------------------------------+ * *
* ^^ VV * *
* +--------------------+ +----------------------+ +----+ +---------+
* |PhoneCallAudioSender| |PhoneCallAudioReceiver| |DMTF| |Ringtones|
* +--------------------+ +----------------------+ +----+ +---------+
* ^^ V V V |
* +-----------------+ +---------------+ +------------+ |
* |OutgoingDataMixer|----- >> -----|RecordDataMixer| |SpeakerMixer|--<<--/
* +-----------------+ +---------------+ +------------+
* ^^ ^^ V |
*+--------------+ +------------------+ +------------------+ |
*|AudioProcessor| |WaveStreamPlayback| |WaveStreamRecorder| V
*+--------------+ +------------------+ +------------------+ V
* ^^ |
* +----------+ +-------+
* |Microphone| |Speaker|
* +----------+ +-------+
*/
var mediaHandlers = new Dictionary<string, VoIPMediaHandler>
{
{"AudioProcessor", audioProcessor},
{"OutGoingDataMixer", outgoingDataMixer},
{"RecordDataMixer", recordDataMixer},
{"SpeakerMixer", speakerMixer},
{"DTMF", dtmf},
{"Ringtones", ringtones},
{"AudioSender",phoneCallAudioSender},
{"AudiReceiver",phoneCallAudioReceiver},
};
if(microphone != null)
mediaHandlers.Add("Microphone", microphone);
if (speaker != null)
mediaHandlers.Add("Speaker", speaker);
return new MediaHandlerCollection(mediaConnector,mediaHandlers);
}
/// <summary>
/// Creates the incoming and outgoing media handlers such as microphone or speaker
/// </summary>
private void CreateMediaHandlers()
{
MediaHandlerFactory factory = new MediaHandlerFactory();
activeAudioCallListener = factory.CreateSoftPhoneCallListener();
activeVideoCallListener = factory.CreateSoftPhoneVideoCallListener();
phoneCallAudioReceiver = activeAudioCallListener.GetComponent("AudiReceiver") as PhoneCallAudioReceiver;
phoneCallAudioSender = activeAudioCallListener.GetComponent("AudioSender") as PhoneCallAudioSender;
phonecallVideoSender = activeVideoCallListener.GetComponent("VideoSender") as PhoneCallVideoSender;
phonecallVideoReceiver = activeVideoCallListener.GetComponent("VideoReceiver") as PhoneCallVideoReceiver;
mediaConnector = activeAudioCallListener.MediaConnector;
microphone = activeAudioCallListener.GetComponent("Microphone") as Microphone;
if (microphone != null)
{
microphone.LevelChanged += (Microphone_LevelChanged);
}
speaker = activeAudioCallListener.GetComponent("Speaker") as Speaker;
if (speaker != null)
{
speaker.LevelChanged += (Speaker_LevelChanged);
}
incomingDataMixer = activeAudioCallListener.GetComponent("SpeakerMixer") as AudioMixerMediaHandler;
camera = activeVideoCallListener.GetComponent("WebCamera") as WebCamera;
remoteImageHandler = activeVideoCallListener.GetComponent("RemoteImageHandler") as ImageProvider<Image>;
localImageHandler = activeVideoCallListener.GetComponent("LocalImageHandler") as ImageProvider<Image>;
AudioProcessor = activeAudioCallListener.GetComponent("AudioProcessor") as AudioQualityEnhancer;
outgoingDataMixer = activeAudioCallListener.GetComponent("OutGoingDataMixer") as AudioMixerMediaHandler;
RecordDataMixer = activeAudioCallListener.GetComponent("RecordDataMixer") as AudioMixerMediaHandler;
dtmfEventWavePlayer = activeAudioCallListener.GetComponent("DTMF") as DtmfEventWavePlayer;
ringtoneWavePlayer = activeAudioCallListener.GetComponent("Ringtones") as PhoneCallStateWavePlayer;
Stream basicRing = Assembly.GetExecutingAssembly().GetManifestResourceStream(
"OzekiDemoSoftphone.Resources.basic_ring.wav"
);
ringtoneWavePlayer.UpdateIncomingStateStream(CallState.Ringing, @"..\..\Resources\basic_ring.wav");
ringtoneWavePlayer.UpdateOutgoingStateStream(CallState.Ringing, @"..\..\Resources\ringback.wav");
}
