public void Write(Span <byte> data, Meta meta)
{
UpdatedSubscriptionCache();
var codec = meta?.Codec ?? Codec.OpusMusic; // XXX a bit hacky
switch (SendMode)
{
case TargetSendMode.None:
break;
case TargetSendMode.Voice:
client.SendAudio(data, codec);
break;
case TargetSendMode.Whisper:
client.SendAudioWhisper(data, codec, channelSubscriptionsCache, clientSubscriptionsCache);
break;
case TargetSendMode.WhisperGroup:
client.SendAudioGroupWhisper(data, codec, GroupWhisperType, GroupWhisperTarget, GroupWhisperTargetId);
break;
default:
throw new ArgumentOutOfRangeException(nameof(SendMode), "Unknown send target");
}
}
private static void PlayWorker()
{
Stopwatch time = new Stopwatch();
time.Start();
int sample = 0;
int sampleTime = 960 / (read.WaveFormat.SampleRate / 1000);
PlayerState = PlayerState.Running;
while (true)
{
ct.ThrowIfCancellationRequested();
if (paused)
{
SpinWait.SpinUntil(() => { return(!paused); });
}
float[] buff = new float[960];
int byteNum;
try
{
byteNum = read.Read(buff, 0, 960);
}
catch (Exception e)
{
break;
}
try
{
byte[] encoded = new byte[1275];
int len = encoder.Encode(buff, 0, byteNum, encoded, 0, 1275);
sample++;
while (!(time.ElapsedMilliseconds >= sample * sampleTime))
{
;
}
ct.ThrowIfCancellationRequested();
client.SendAudio(encoded, len, Codec.OpusVoice);
}
catch (Exception e)
{
//Console.WriteLine(e);
break;
}
}
PlayerState = PlayerState.Stopped;
if (State != State.Stopped)
{
ShiftCue();
State = State.Playing;
}
}
private static void _waveIn_DataAvailable(object sender, WaveInEventArgs e)
{
byte[] soundBuffer = new byte[e.BytesRecorded + _notEncodedBuffer.Length];
for (int i = 0; i < _notEncodedBuffer.Length; i++)
{
soundBuffer[i] = _notEncodedBuffer[i];
}
for (int i = 0; i < e.BytesRecorded; i++)
{
soundBuffer[i + _notEncodedBuffer.Length] = e.Buffer[i];
}
int byteCap = _bytesPerSegment;
int segmentCount = (int)Math.Floor((decimal)soundBuffer.Length / byteCap);
int segmentsEnd = segmentCount * byteCap;
int notEncodedCount = soundBuffer.Length - segmentsEnd;
_notEncodedBuffer = new byte[notEncodedCount];
for (int i = 0; i < notEncodedCount; i++)
{
_notEncodedBuffer[i] = soundBuffer[segmentsEnd + i];
}
for (int i = 0; i < segmentCount; i++)
{
byte[] segment = new byte[byteCap];
for (int j = 0; j < segment.Length; j++)
{
segment[j] = soundBuffer[(i * byteCap) + j];
}
short[] inbuff = BytesToShorts(segment);
try
{
byte[] buff = new byte[1275];
int len = encoder.Encode(inbuff, 0, 960, buff, 0, 1275);
client.SendAudio(buff, len, Codec.OpusVoice);
}catch (Exception ex)
{
Console.WriteLine(ex);
}
}
}
private void AudioSend()
{
lock (ffmpegLock)
{
if (ffmpegProcess == null)
{
return;
}
if (audioBuffer == null || audioBuffer.Length < encoder.OptimalPacketSize)
{
audioBuffer = new byte[encoder.OptimalPacketSize];
}
UpdatedSubscriptionCache();
while (audioTimer.RemainingBufferDuration < audioBufferLength)
{
int read = ffmpegProcess.StandardOutput.BaseStream.Read(audioBuffer, 0, encoder.OptimalPacketSize);
if (read == 0)
{
// check for premature connection drop
if (ffmpegProcess.HasExited && !hasTriedToReconnectAudio)
{
var expectedStopLength = GetCurrentSongLength();
if (expectedStopLength != TimeSpan.Zero)
{
var actualStopPosition = audioTimer.SongPosition;
if (actualStopPosition + retryOnDropBeforeEnd < expectedStopLength)
{
Log.Write(Log.Level.Debug, "Connection to song lost, retrying at {0}", actualStopPosition);
hasTriedToReconnectAudio = true;
Position = actualStopPosition;
return;
}
}
}
if (ffmpegProcess.HasExited &&
audioTimer.RemainingBufferDuration < TimeSpan.Zero &&
!encoder.HasPacket)
{
AudioStop();
OnSongEnd?.Invoke(this, new EventArgs());
}
return;
}
hasTriedToReconnectAudio = false;
audioTimer.PushBytes(read);
bool doSend = true;
switch (SendMode)
{
case TargetSendMode.None:
doSend = false;
break;
case TargetSendMode.Voice:
break;
case TargetSendMode.Whisper:
case TargetSendMode.WhisperGroup:
if (isStall)
{
if (++stallCount % StallCountInterval == 0)
{
stallNoErrorCount++;
if (stallNoErrorCount > StallNoErrorCountMax)
{
stallCount = 0;
isStall = false;
}
}
else
{
doSend = false;
}
}
if (SendMode == TargetSendMode.Whisper)
{
doSend &= channelSubscriptionsCache.Length > 0 || clientSubscriptionsCache.Length > 0;
}
break;
default:
throw new InvalidOperationException();
}
// Save cpu when we know there is noone to send to
if (!doSend)
{
break;
}
AudioModifier.AdjustVolume(audioBuffer, read, volume);
encoder.PushPcmAudio(audioBuffer, read);
while (encoder.HasPacket)
{
var packet = encoder.GetPacket();
switch (SendMode)
{
case TargetSendMode.Voice:
tsFullClient.SendAudio(packet.Array, packet.Length, encoder.Codec);
break;
case TargetSendMode.Whisper:
tsFullClient.SendAudioWhisper(packet.Array, packet.Length, encoder.Codec, channelSubscriptionsCache, clientSubscriptionsCache);
break;
case TargetSendMode.WhisperGroup:
tsFullClient.SendAudioGroupWhisper(packet.Array, packet.Length, encoder.Codec, GroupWhisperType, GroupWhisperTarget);
break;
}
encoder.ReturnPacket(packet.Array);
}
}
}
}
