public bool Read(ArraySegment <float> frame)
{
EncodedAudio?encoded;
var lastFrame = _buffer.Read(out encoded);
int decodedCount;
if (encoded != null)
{
Log.Trace("Decoding frame {0}", encoded.Value.Sequence);
decodedCount = _decoder.Decode(encoded.Value.Data, frame);
_recycleFrame(encoded.Value);
}
else
{
Log.Trace("Running decoder PLC");
decodedCount = _decoder.Decode(null, frame);
}
//Sanity check that decoding got correct number of samples
if (decodedCount != _frameSize)
{
throw new InvalidOperationException(string.Format("Decoding a frame of audio got {0} samples, but should have decoded {1} samples", decodedCount, _frameSize));
}
if (_diagnosticOutput != null)
{
_diagnosticOutput.WriteSamples(frame);
}
return(lastFrame);
}
public bool Read(ArraySegment <float> frame)
{
VoicePacket?encoded;
var lastFrame = _buffer.Read(out encoded);
int decodedCount;
if (encoded != null)
{
Log.Trace("Decoding frame {0}", encoded.Value.SequenceNumber);
decodedCount = _decoder.Decode(encoded.Value.EncodedAudioFrame, frame);
//Expose the playback options for this packet
using (var l = _options.Lock())
l.Value = encoded.Value.PlaybackOptions;
//Expose the channel list for this packet (if it's null just assume the previous value is still correct)
if (encoded.Value.Channels != null)
{
using (var l = _channels.Lock())
{
_approxChannelCount = encoded.Value.Channels.Count;
l.Value.Clear();
l.Value.AddRange(encoded.Value.Channels);
}
}
_recycleFrame(encoded.Value);
}
else
{
Log.Trace("Running decoder PLC");
decodedCount = _decoder.Decode(null, frame);
}
//Sanity check that decoding got correct number of samples
if (decodedCount != _frameSize)
{
throw new InvalidOperationException(string.Format("Decoding a frame of audio got {0} samples, but should have decoded {1} samples", decodedCount, _frameSize));
}
if (_diagnosticOutput != null)
{
_diagnosticOutput.WriteSamples(frame);
}
return(lastFrame);
}
public bool Read(ArraySegment <float> frame)
{
VoicePacket?encoded;
var lastFrame = _buffer.Read(out encoded);
int decodedCount;
if (encoded != null)
{
Log.Trace("Decoding frame {0}", encoded.Value.SequenceNumber);
decodedCount = _decoder.Decode(encoded.Value.EncodedAudioFrame, frame);
//Expose the playback options for this packet
using (var l = _options.Lock())
l.Value = encoded.Value.PlaybackOptions;
//Read the channel data into a separate list
ExtractChannels(encoded.Value);
_recycleFrame(encoded.Value);
}
else
{
Log.Trace("Running decoder PLC");
decodedCount = _decoder.Decode(null, frame);
}
//Sanity check that decoding got correct number of samples
if (decodedCount != _frameSize)
{
throw new InvalidOperationException(string.Format("Decoding a frame of audio got {0} samples, but should have decoded {1} samples", decodedCount, _frameSize));
}
if (_diagnosticOutput != null)
{
_diagnosticOutput.WriteSamples(frame);
}
return(lastFrame);
}
public bool Read(ArraySegment <float> frame)
{
VoicePacket?encoded;
bool peekLostPacket;
var lastFrame = _buffer.Read(out encoded, out peekLostPacket);
var p = new EncodedBuffer(encoded.HasValue ? encoded.Value.EncodedAudioFrame : (ArraySegment <byte>?)null, peekLostPacket || !encoded.HasValue);
//Decode the frame
int decodedCount = _decoder.Decode(p, frame);
//If it was not a lost frame, also decode the metadata
if (!p.PacketLost && encoded.HasValue)
{
//Expose the playback options for this packet
using (var l = _options.Lock())
l.Value = encoded.Value.PlaybackOptions;
//Read the channel data into a separate list
ExtractChannels(encoded.Value);
//Recycle the frame for re-use with a future packet. Only done with frames which were not peek ahead frames
_recycleFrame(encoded.Value);
}
//Sanity check that decoding got correct number of samples
if (decodedCount != _frameSize)
{
throw new InvalidOperationException(string.Format("Decoding a frame of audio got {0} samples, but should have decoded {1} samples", decodedCount, _frameSize));
}
if (_diagnosticOutput != null)
{
_diagnosticOutput.WriteSamples(frame);
}
return(lastFrame);
}