public override void Write(byte[] buffer, int offset, int count)
{
int[] samples = new int[count * 8 / bitsPerSample];
if (bitsPerSample == 8)
{
for (int i = 0; i < count; i++)
{
samples[i] = buffer[offset + i];
}
}
else
{
unsafe {
if (offset + count > buffer.Length)
throw new IndexOutOfRangeException();
fixed(byte *rawdata = buffer)
{
if (bitsPerSample == 16)
{
short *data = (short *)(rawdata + offset);
for (int i = 0; i < count / 2; i++)
{
samples[i] = data[i];
}
}
else if (bitsPerSample == 32)
{
int *data = (int *)(rawdata + offset);
for (int i = 0; i < count / 4; i++)
{
samples[i] = data[i];
}
}
}
}
}
var streaminfo = new FlacBox.FlacStreaminfo();
streaminfo.ChannelsCount = 1;
streaminfo.SampleRate = 44100;
streaminfo.BitsPerSample = 16;
streaminfo.MinBlockSize = 4608;
streaminfo.MaxBlockSize = 4608;
writer.StartStreamNoHeader(streaminfo);
writer.WriteSamples(samples);
writer.EndStream();
}
private void WaveDataAvailable(object sender, WaveInEventArgs e)
{
lock (flacLock)
{
if (buffer == null || buffer.Length != e.Buffer.Length / 2)
{
// Reuse the buffer whenever we can.
buffer = new int[e.Buffer.Length / 2];
}
for (int i = 0; i < e.Buffer.Length; i += 2)
{
buffer[i / 2] = BitConverter.ToInt16(e.Buffer, i);
}
MaybeCreateFlacWriter();
flacWriter.WriteSamples(buffer);
}
if (audioAsr != null)
{
audioAsr.AddSamples(e.Buffer, e.BytesRecorded);
}
}