public int Peek(TimeLocatedBuffer buffer, int length = -1)
{
lock (this) {
if (buffer.Samplerate != _rate)
{
throw new InvalidOperationException();
}
if (length == -1)
{
length = buffer.GetSamples().Length;
}
else if (length > buffer.Length)
{
length = buffer.Length;
}
var begin = BeginTime;
var result = Peek(buffer.GetSamples(), 0, length);
buffer.SetWritten(result);
buffer.SetTime(begin.Add(result, _rate));
return(result);
}
}
public int Enqueue(TimeLocatedBuffer buffer, int offset, int sampleCount)
{
lock (this) {
if (buffer.Samplerate != _rate)
{
throw new InvalidOperationException();
}
var samples = buffer.GetSamples();
var written = Enqueue(samples, offset, sampleCount);
_timeBufEnd = _timeBufEnd.Add(written, _rate);
var newEndTime = buffer.FrontTime.Add(offset + written, _rate);
if (!newEndTime.Equals(_timeBufEnd))
{
if (!IgnoreOverflow)
{
// TODO: Commented out for the moment.
// FFT and Data use different time counting mechanisms.
// Enqueue uses the counting mechanism of time data.
// So this gives false error reports.
// Need to replace the node system with a good one.
//NodeSystemSettings.Instance.SystemHost.ReportError($"Ring Buffer: Missing samples. Buffer Timestamp: { newEndTime } \t Ring Timestamp: { _timeBufEnd }");
}
_timeBufEnd = new TimeStamp(newEndTime);
}
return(written);
}
}