public bool processBuffer(byte[] rxBuf, out byte[] pcm16)
{
int len;
pcm16 = null;
try
{
pcm16 = decoder.Decode(rxBuf.Skip(1).ToArray(), rxBuf.Length - 1, out len);
pcm16 = pcm16.Take(len).ToArray();
return(true);
}
catch { }
return(false);
}
public void AudioReceived(IPPacket p)
{
if (_audioStream == null || IsBufferNearlyFull)
{
return;
}
p.Read(out int frames, out bool s);
p.Read(out int l, out s);
byte[] arr = new byte[l];
p.Read(ref arr, out s);
_syncContext.Post(o =>
{
arr = _decoder.Decode(arr, frames, out l);
_audioStream.AddSamples(arr, 0, l);
//_audioStream.BufferedDuration.Print();
if (_audioStream.BufferedDuration.TotalSeconds < 0.01f)
{
PauseAudio();
}
else if (_audioStream.BufferedDuration.TotalSeconds > fullSpeed)
{
PlayAudio();
}
_playbackRate += Math.Min(1, Math.Max(0.75f, (float)_audioStream.BufferedDuration.TotalSeconds / fullSpeed));
reads++;
_speedControl.PlaybackRate = _playbackRate / reads;
//_speedControl.PlaybackRate.Print();
if (reads > 20)
{
reads /= 2;
_playbackRate /= 2;
}
}, null);
}
public OpusWaveProvider(Stream stream, uint length)
{
using (MemoryStream temp = new MemoryStream())
using (BinaryWriter writer = new BinaryWriter(temp))
using (OpusDecoder decoder = OpusDecoder.Create(48000, 1))
using (BinaryReader reader = new BinaryReader(stream))
{
//long offset = stream.Position;
for (int i = 0; i < length; i++)
//while (stream.Position < length)
{
int framesize = (int)reader.ReadUInt32();
byte[] frame = reader.ReadBytes(framesize);
int outputlen;
byte[] output = decoder.Decode(frame, framesize, out outputlen);
writer.Write(output, 0, outputlen);
}
internalstream = new MemoryStream(temp.ToArray());
}
}
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];
}
int len;
byte[] buff = _encoder.Encode(segment, segment.Length, out len);
_bytesSent += (ulong)len;
buff = _decoder.Decode(buff, len, out len);
_playBuffer.AddSamples(buff, 0, len);
}
}