public ClientAudioProvider()
{
_filters = new OnlineFilter[2];
_filters[0] =
OnlineFilter.CreateBandpass(ImpulseResponse.Finite, AudioManager.INPUT_SAMPLE_RATE, 560, 3900);
_filters[1] =
OnlineFilter.CreateBandpass(ImpulseResponse.Finite, AudioManager.INPUT_SAMPLE_RATE, 100, 4500);
JitterBufferProviderInterface =
new JitterBufferProviderInterface(new WaveFormat(AudioManager.INPUT_SAMPLE_RATE, 2));
SampleProvider = new Pcm16BitToSampleProvider(JitterBufferProviderInterface);
_decoder = OpusDecoder.Create(AudioManager.INPUT_SAMPLE_RATE, 1);
_decoder.ForwardErrorCorrection = false;
_highPassFilter = BiQuadFilter.HighPassFilter(AudioManager.INPUT_SAMPLE_RATE, 520, 0.97f);
_lowPassFilter = BiQuadFilter.LowPassFilter(AudioManager.INPUT_SAMPLE_RATE, 4130, 2.0f);
var effect = new CachedAudioEffect(CachedAudioEffect.AudioEffectTypes.NATO_TONE);
if (effect.AudioEffectBytes.Length > 0)
{
natoTone = ConversionHelpers.ByteArrayToShortArray(effect.AudioEffectBytes);
var vol = Settings.GlobalSettingsStore.Instance.GetClientSetting(GlobalSettingsKeys.NATOToneVolume)
.FloatValue;
for (int i = 0; i < natoTone.Length; i++)
{
natoTone[i] = (short)(natoTone[i] * vol);
}
}
}
public void AddClientAudioSamples(ClientAudio audio)
{
//sort out volume
var timer = new Stopwatch();
timer.Start();
var decrytable = audio.Decryptable || (audio.Encryption == 0);
if (decrytable)
{
//adjust for LOS + Distance + Volume
AdjustVolume(audio);
////no radio effect for intercom
if (audio.ReceivedRadio != 0)
{
if (_settings.UserSettings[(int)SettingType.RadioEffects] != "OFF")
{
AddRadioEffect(audio);
}
}
}
else
{
AddEncryptionFailureEffect(audio);
if (_settings.UserSettings[(int)SettingType.RadioEffects] != "OFF")
{
AddRadioEffect(audio);
}
}
long now = Environment.TickCount;
if ((now - LastUpdate) > 400) //400 ms since last update
{
// System.Diagnostics.Debug.WriteLine(audio.ClientGuid+"ADDED");
//append ms of silence - this functions as our jitter buffer??
var silencePad = (AudioManager.INPUT_SAMPLE_RATE / 1000) * SILENCE_PAD;
var newAudio = new short[audio.PcmAudioShort.Length + silencePad];
Buffer.BlockCopy(audio.PcmAudioShort, 0, newAudio, silencePad, audio.PcmAudioShort.Length);
audio.PcmAudioShort = newAudio;
}
_lastReceivedOn = audio.ReceivedRadio;
LastUpdate = now;
JitterBufferProviderInterface.AddSamples(new JitterBufferAudio
{
Audio = SeperateAudio(ConversionHelpers.ShortArrayToByteArray(audio.PcmAudioShort), audio.ReceivedRadio),
PacketNumber = audio.PacketNumber
});
timer.Stop();
}
public ClientAudioProvider()
{
_highPassFilter = BiQuadFilter.HighPassFilter(AudioManager.INPUT_SAMPLE_RATE, 520, 0.97f);
_lowPassFilter = BiQuadFilter.LowPassFilter(AudioManager.INPUT_SAMPLE_RATE, 4130, 2.0f);
JitterBufferProviderInterface = new JitterBufferProviderInterface(new WaveFormat(AudioManager.INPUT_SAMPLE_RATE, 2));
SampleProvider = new Pcm16BitToSampleProvider(JitterBufferProviderInterface);
}
public ClientAudioProvider()
{
_filters = new OnlineFilter[2];
_filters[0] =
OnlineFilter.CreateBandpass(ImpulseResponse.Finite, AudioManager.INPUT_SAMPLE_RATE, 560, 3900);
_filters[1] =
OnlineFilter.CreateBandpass(ImpulseResponse.Finite, AudioManager.INPUT_SAMPLE_RATE, 100, 4500);
JitterBufferProviderInterface =
new JitterBufferProviderInterface(new WaveFormat(AudioManager.INPUT_SAMPLE_RATE, 2));
SampleProvider = new Pcm16BitToSampleProvider(JitterBufferProviderInterface);
}
public ClientAudioProvider()
{
_filters = new OnlineFilter[2];
_filters[0] =
OnlineFilter.CreateBandpass(ImpulseResponse.Finite, AudioManager.INPUT_SAMPLE_RATE, 560, 3900);
_filters[1] =
OnlineFilter.CreateBandpass(ImpulseResponse.Finite, AudioManager.INPUT_SAMPLE_RATE, 100, 4500);
JitterBufferProviderInterface =
new JitterBufferProviderInterface(new WaveFormat(AudioManager.INPUT_SAMPLE_RATE, 2));
SampleProvider = new Pcm16BitToSampleProvider(JitterBufferProviderInterface);
_decoder = OpusDecoder.Create(AudioManager.INPUT_SAMPLE_RATE, 1);
_decoder.ForwardErrorCorrection = false;
_highPassFilter = BiQuadFilter.HighPassFilter(AudioManager.INPUT_SAMPLE_RATE, 520, 0.97f);
_lowPassFilter = BiQuadFilter.LowPassFilter(AudioManager.INPUT_SAMPLE_RATE, 4130, 2.0f);
}
public void AddClientAudioSamples(ClientAudio audio)
{
//sort out volume
// var timer = new Stopwatch();
// timer.Start();
bool newTransmission = LikelyNewTransmission();
int decodedLength = 0;
var decoded = _decoder.Decode(audio.EncodedAudio,
audio.EncodedAudio.Length, out decodedLength, newTransmission);
if (decodedLength <= 0)
{
Logger.Info("Failed to decode audio from Packet for client");
return;
}
// for some reason if this is removed then it lags?!
//guess it makes a giant buffer and only uses a little?
//Answer: makes a buffer of 4000 bytes - so throw away most of it
var tmp = new byte[decodedLength];
Buffer.BlockCopy(decoded, 0, tmp, 0, decodedLength);
audio.PcmAudioShort = ConversionHelpers.ByteArrayToShortArray(tmp);
var decrytable = audio.Decryptable || (audio.Encryption == 0);
if (decrytable)
{
//adjust for LOS + Distance + Volume
AdjustVolumeForLoss(audio);
if (audio.ReceivedRadio == 0 ||
audio.Modulation == (short)RadioInformation.Modulation.MIDS)
{
if (profileSettings.GetClientSettingBool(ProfileSettingsKeys.RadioEffects))
{
AddRadioEffectIntercom(audio);
}
}
else
{
AddRadioEffect(audio);
}
//final adjust
AdjustVolume(audio);
}
else
{
AddEncryptionFailureEffect(audio);
AddRadioEffect(audio);
//final adjust
AdjustVolume(audio);
}
if (newTransmission)
{
// System.Diagnostics.Debug.WriteLine(audio.ClientGuid+"ADDED");
//append ms of silence - this functions as our jitter buffer??
var silencePad = (AudioManager.OUTPUT_SAMPLE_RATE / 1000) * SILENCE_PAD;
var newAudio = new short[audio.PcmAudioShort.Length + silencePad];
Buffer.BlockCopy(audio.PcmAudioShort, 0, newAudio, silencePad, audio.PcmAudioShort.Length);
audio.PcmAudioShort = newAudio;
}
_lastReceivedOn = audio.ReceivedRadio;
LastUpdate = DateTime.Now.Ticks;
JitterBufferProviderInterface.AddSamples(new JitterBufferAudio
{
Audio =
SeperateAudio(ConversionHelpers.ShortArrayToByteArray(audio.PcmAudioShort),
audio.ReceivedRadio),
PacketNumber = audio.PacketNumber
});
//timer.Stop();
}
public byte[] AddClientAudioSamples(ClientAudio audio, bool skipEffects = false)
{
//sort out volume
// var timer = new Stopwatch();
// timer.Start();
bool newTransmission = LikelyNewTransmission();
var decoded = _decoder.Decode(audio.EncodedAudio,
audio.EncodedAudio.Length, out var decodedLength, newTransmission);
if (decodedLength <= 0)
{
Logger.Info("Failed to decode audio from Packet for client");
return(null);
}
// for some reason if this is removed then it lags?!
//guess it makes a giant buffer and only uses a little?
//Answer: makes a buffer of 4000 bytes - so throw away most of it
var tmp = new byte[decodedLength];
Buffer.BlockCopy(decoded, 0, tmp, 0, decodedLength);
audio.PcmAudioShort = ConversionHelpers.ByteArrayToShortArray(tmp);
//only get settings every 3 seconds - and cache them - issues with performance
long now = DateTime.Now.Ticks;
if (TimeSpan.FromTicks(now - lastRefresh).TotalSeconds > 3) //3 seconds since last refresh
{
lastRefresh = now;
natoToneEnabled = profileSettings.GetClientSettingBool(ProfileSettingsKeys.NATOTone);
hqToneEnabled = profileSettings.GetClientSettingBool(ProfileSettingsKeys.HAVEQUICKTone);
radioEffectsEnabled = profileSettings.GetClientSettingBool(ProfileSettingsKeys.RadioEffects);
clippingEnabled = profileSettings.GetClientSettingBool(ProfileSettingsKeys.RadioEffectsClipping);
hqToneVolume = profileSettings.GetClientSettingFloat(ProfileSettingsKeys.HQToneVolume);
natoToneVolume = profileSettings.GetClientSettingFloat(ProfileSettingsKeys.NATOToneVolume);
fmVol = profileSettings.GetClientSettingFloat(ProfileSettingsKeys.FMNoiseVolume);
hfVol = profileSettings.GetClientSettingFloat(ProfileSettingsKeys.HFNoiseVolume);
uhfVol = profileSettings.GetClientSettingFloat(ProfileSettingsKeys.UHFNoiseVolume);
vhfVol = profileSettings.GetClientSettingFloat(ProfileSettingsKeys.VHFNoiseVolume);
}
var decrytable = audio.Decryptable /* || (audio.Encryption == 0) <--- this test has already been performed by all callers and would require another call to check for STRICT_AUDIO_ENCRYPTION */;
if (decrytable)
{
//adjust for LOS + Distance + Volume
AdjustVolumeForLoss(audio);
if (!skipEffects)
{
if (audio.ReceivedRadio == 0 ||
audio.Modulation == (short)RadioInformation.Modulation.MIDS)
{
if (profileSettings.GetClientSettingBool(ProfileSettingsKeys.RadioEffects))
{
AddRadioEffectIntercom(audio);
}
}
else
{
AddRadioEffect(audio);
}
}
//final adjust
AdjustVolume(audio);
}
else
{
AddEncryptionFailureEffect(audio);
AddRadioEffect(audio);
//final adjust
AdjustVolume(audio);
}
if (newTransmission)
{
// System.Diagnostics.Debug.WriteLine(audio.ClientGuid+"ADDED");
//append ms of silence - this functions as our jitter buffer??
var silencePad = (AudioManager.OUTPUT_SAMPLE_RATE / 1000) * SILENCE_PAD;
var newAudio = new short[audio.PcmAudioShort.Length + silencePad];
Buffer.BlockCopy(audio.PcmAudioShort, 0, newAudio, silencePad, audio.PcmAudioShort.Length);
audio.PcmAudioShort = newAudio;
}
_lastReceivedOn = audio.ReceivedRadio;
LastUpdate = DateTime.Now.Ticks;
if (!passThrough)
{
JitterBufferProviderInterface.AddSamples(new JitterBufferAudio
{
Audio =
SeperateAudio(ConversionHelpers.ShortArrayToByteArray(audio.PcmAudioShort),
audio.ReceivedRadio),
PacketNumber = audio.PacketNumber
});
return(null);
}
else
{
//return MONO PCM 16 as bytes
return(ConversionHelpers.ShortArrayToByteArray(audio.PcmAudioShort));
}
//timer.Stop();
}
