public void Write(SampleStruct chunk)
{
if (chunk.Elapsed < 0)
{
throw new SampleException("Chunk has an invalid elapsed value");
}
else if (chunk.Length <= 0)
{
throw new SampleException("Chunk has an invalid length");
}
else if (chunk.Data?.Length == 0)
{
throw new SampleException("Chunk has no data");
}
else if (chunk.Length != chunk.Data.Length)
{
throw new SampleException("Chunk has an invalid data length");
}
try
{
_writer.Write(chunk.Elapsed);
_writer.Write(chunk.Length);
_writer.Write(chunk.Data);
Writes++;
}
catch (Exception ex)
{
throw new SampleException("Unexpected sample write error", ex);
}
}
public bool TryRead(out SampleStruct chunk)
{
EndOfStream = false;
try
{
long elapsed = _reader.ReadInt64();
int length = _reader.ReadInt32();
if (elapsed >= 0 && length > 0)
{
byte[] data = _reader.ReadBytes(length);
if (length == data.Length)
{
chunk = new SampleStruct
{
Elapsed = elapsed,
Length = length,
Data = data
};
Reads++;
return(true);
}
}
chunk = default;
return(false);
}
catch (EndOfStreamException)
{
EndOfStream = true;
chunk = default;
return(false);
}
catch (Exception ex)
{
throw new SampleException("Unexpected sample read error", ex);
}
}