public CallHelper(string id)
{
this.isCallEstablished = true;
this.callId = id;
this.codec = new NarrowBandSpeexCodec();
}
public static short[] GetDecodePcm(byte[] data)
{
int offset = 0;
var codec = new SpeexCodec();
List <short> buffer = new List <short>();
while (offset < data.Length)
{
USpeakFrameContainer cont = default(USpeakFrameContainer);
var l = cont.LoadFrom(data, offset);
short[] pcm = codec.Decode(cont.encodedData, BandMode.Narrow);
offset += l;
buffer.AddRange(pcm.ToArray());
}
return(buffer.ToArray());
}
///<summary>
/// Initialize a new microphone instance, creating the
/// FMOD sound object, optionally opening a recording
/// stream, and creating and starting a timer instance
/// to copy the PCM samples.
///</summary>
public void InitMicrophone(VoiceParmSet parmSet, bool reconfigure)
{
log.DebugFormat(voiceMgr, "MicrophoneChannel.InitMicrophone called with recording WAV({0}), Speex({1})", recordingWAV, recordingSpeex);
if (channelCodec != null)
return;
try {
log.Debug(voiceMgr, "MicrophoneChannel.InitMicrophone: Creating codec");
encoderOutputBuffer = new byte[maxBytesPerEncodedFrame];
if (voiceMgr.runningVoiceBot) {
ApplyVoiceBotParms(parmSet, reconfigure);
SetTimeOfNextPlayback();
}
else {
encoderInputBuffer = new short[maxSamplesPerFrame];
channelCodec = new SpeexCodec();
int encodecFrameSize = channelCodec.InitEncoder(maxSamplesPerFrame, samplesPerFrame, samplesPerSecond);
if (encodecFrameSize != samplesPerFrame)
log.ErrorFormat(voiceMgr, "MicrophoneChannel.InitMicrophone: The encoder frame size {0} != samplesPerFrame " + samplesPerFrame);
ApplyMicrophoneSettings(parmSet, reconfigure);
// create a sound object
FMOD.RESULT result;
FMOD.MODE mode = FMOD.MODE._2D | FMOD.MODE.OPENUSER | FMOD.MODE.SOFTWARE | FMOD.MODE.LOOP_NORMAL;
lock(voiceMgr.usingFmod) {
FMOD.CREATESOUNDEXINFO exinfo = new FMOD.CREATESOUNDEXINFO();
exinfo.cbsize = Marshal.SizeOf(exinfo);
exinfo.decodebuffersize = 0;
exinfo.length = (uint)(micQueueSize * 2);
exinfo.numchannels = 1;
exinfo.defaultfrequency = samplesPerSecond;
exinfo.format = FMOD.SOUND_FORMAT.PCM16;
log.Debug(voiceMgr, "MicrophoneChannel.InitMicrophone: Creating sound");
result = voiceMgr.fmod.createSound((string)null, mode, ref exinfo, ref channelSound);
}
try {
ERRCHECK(result);
}
catch (Exception e) {
log.ErrorFormat(voiceMgr, "MicrophoneChannel.InitMicrophone: Error creating microphone sound: {0}; stack trace\n {1}",
e.Message, e.StackTrace);
}
SetMicDevice();
micSamples = new short[micQueueSize];
if (recordingWAV || recordingSpeex) {
log.Debug(voiceMgr, "MicrophoneChannel.InitMicrophone: Calling StartRecording");
StartRecording(channelSound, voiceMgr.LogFolderPath("RecordMic"), recordingWAV, recordingSpeex);
}
log.Debug(voiceMgr, "MicrophoneChannel.InitMicrophone: Calling StartFmodMicUpdates");
StartFmodMicUpdates(channelSound);
log.Debug(voiceMgr, "MicrophoneChannel.InitMicrophone: Calling StartChannel");
StartChannel(false);
}
micHandlingTimer = new System.Timers.Timer();
micHandlingTimer.Elapsed += MicHandlingTimerTick;
micHandlingTimer.Interval = 10; // ms
micHandlingTimer.Enabled = true;
if (usingDataFrameAggregation) {
dataFrameAggregator = new DataFrameAggregator(voiceMgr, deviceNumber, this);
dataFrameAggregator.Start();
}
sourceReady = true;
}
catch (Exception e) {
log.Error(voiceMgr, "MicrophoneChannel.InitMicrophone: Exception " + e.Message + ", stack trace\n" + e.StackTrace);
}
}
///<summary>
/// Make sure to free the sound and the codec
///</summary>
public void Dispose()
{
disposing = true;
lock(voiceMgr.usingFmod) {
sourceReady = false;
StopRecording(channelSound);
if (playbackStream != null) {
playbackStream.Close();
playbackStream = null;
playbackFile = "";
}
log.Debug(voiceMgr, "BasicChannel.Dispose called");
if (channel != null) {
CheckRetCode("Stopping the FMOD channel in BasicChannel.Dispose()", channel.stop());
channel = null;
}
if (channelSound != null) {
CheckRetCode("Releasing the FMOD sound in BasicChannel.Dispose()", channelSound.release());
channelSound = null;
}
if (channelCodec != null) {
channelCodec.ResetEncoder();
channelCodec = null;
}
}
}