public SoundcardSampleProvider(int sampleRate, List <ushort> receiverIDs, EventHandler <TransceiverReceivingCallsignsChangedEventArgs> eventHandler)
{
WaveFormat = WaveFormat.CreateIeeeFloatWaveFormat(sampleRate, 1);
mixer = new MixingSampleProvider(WaveFormat)
{
ReadFully = true
};
receiverInputs = new List <ReceiverSampleProvider>();
this.receiverIDs = new List <ushort>();
foreach (var receiverID in receiverIDs)
{
var receiverInput = new ReceiverSampleProvider(WaveFormat, receiverID, 4);
receiverInput.ReceivingCallsignsChanged += eventHandler;
receiverInputs.Add(receiverInput);
this.receiverIDs.Add(receiverID);
mixer.AddMixerInput(receiverInput);
}
landLineRing = new ResourceSoundSampleProvider(Samples.Instance.LandLineRing)
{
Looping = true, Gain = 0
};
mixer.AddMixerInput(landLineRing);
}
public ReceiverSampleProvider(WaveFormat waveFormat, ushort id, int voiceInputNumber)
{
WaveFormat = waveFormat;
ID = id;
mixer = new MixingSampleProvider(WaveFormat)
{
ReadFully = true
};
voiceInputs = new List <CallsignSampleProvider>();
for (int i = 0; i < voiceInputNumber; i++)
{
var voiceInput = new CallsignSampleProvider(WaveFormat, this);
voiceInputs.Add(voiceInput);
mixer.AddMixerInput(voiceInput);
}
;
blockTone = new BlockingToneSampleProvider(WaveFormat.SampleRate, 1)
{
Frequency = 180, Gain = 0
};
hfWhiteNoise = new ResourceSoundSampleProvider(Samples.Instance.HFWhiteNoise)
{
Looping = true, Gain = 0
};
mixer.AddMixerInput(blockTone.ToMono());
if (!AudioConfig.Instance.HfSquelch)
{
mixer.AddMixerInput(hfWhiteNoise.ToMono());
}
volume = new VolumeSampleProvider(mixer);
hfSquelchEn = AudioConfig.Instance.HfSquelch;
}
public CallsignSampleProvider(WaveFormat waveFormat, ReceiverSampleProvider receiver)
{
this.receiver = receiver;
WaveFormat = waveFormat;
if (waveFormat.Channels != 1)
{
throw new Exception("Incorrect number of channels. A channel count of 1 is required.");
}
decoderShortBuffer = new short[frameCount];
decoderByteBuffer = new byte[frameCount * 2];
mixer = new MixingSampleProvider(WaveFormat)
{
ReadFully = true
};
crackleSoundProvider = new ResourceSoundSampleProvider(Samples.Instance.Crackle)
{
Looping = true, Gain = 0
};
vhfWhiteNoise = new ResourceSoundSampleProvider(Samples.Instance.WhiteNoise)
{
Looping = true, Gain = 0
};
hfWhiteNoise = new ResourceSoundSampleProvider(Samples.Instance.HFWhiteNoise)
{
Looping = true, Gain = 0
};
acBusNoise = new ResourceSoundSampleProvider(Samples.Instance.AcBus)
{
Looping = true, Gain = 0
};
audioInput = new BufferedWaveProvider(new WaveFormat(WaveFormat.SampleRate, 16, 1))
{
ReadFully = true, BufferLength = new WaveFormat(WaveFormat.SampleRate, 16, 1).AverageBytesPerSecond * 60
};
//Create the compressor
simpleCompressorEffect = new SimpleCompressorEffect(new Pcm16BitToSampleProvider(audioInput));
simpleCompressorEffect.Enabled = true;
simpleCompressorEffect.MakeUpGain = -5.5;
limiterEffect = new LimiterEffect(simpleCompressorEffect);
// Create the voice EQ
voiceEq = new EqualizerSampleProvider(limiterEffect, AudioConfig.Instance.VhfEqualizer);
BypassEffects = false;
DistanceRatio = 1;
mixer.AddMixerInput(crackleSoundProvider);
mixer.AddMixerInput(vhfWhiteNoise.ToMono());
mixer.AddMixerInput(acBusNoise.ToMono());
if (AudioConfig.Instance.HfSquelch)
{
mixer.AddMixerInput(hfWhiteNoise.ToMono());
}
mixer.AddMixerInput(voiceEq);
timer = new System.Timers.Timer();
timer.Interval = 100;
timer.Elapsed += _timer_Elapsed;
}
