public float[] ReadMonoSamples(int sampleRate, int secondsToRecord)
{
var producer = new BlockingCollection <float[]>();
float[] samples;
using (var waveIn = naudioFactory.GetWaveInEvent(sampleRate, Mono))
{
waveIn.DataAvailable += (sender, e) =>
{
var chunk = SamplesConverter.GetFloatSamplesFromByte(e.BytesRecorded, e.Buffer);
producer.Add(chunk);
};
waveIn.RecordingStopped += (sender, args) => producer.CompleteAdding();
waveIn.StartRecording();
samples = samplesAggregator.ReadSamplesFromSource(
new BlockingQueueSamplesProvider(producer), secondsToRecord, sampleRate);
waveIn.StopRecording();
}
return(samples);
}
private float[] GetWrittenSamplesInStream(MemoryStream memoryStream, int length)
{
const int WaveHeaderLength = 58;
memoryStream.Seek(WaveHeaderLength, SeekOrigin.Begin);
const int BytesInFloat = 4;
byte[] buffer = new byte[length * BytesInFloat];
memoryStream.Read(buffer, 0, length * BytesInFloat);
return(SamplesConverter.GetFloatSamplesFromByte(length * BytesInFloat, buffer));
}
