private void record_loop()
{
while (cSamplePos < mSamplePos)
{
if (stop_flag)
{
break;
}
if (sampleQueue.Count > 0)
{
check_diskspace();
byte[] packet = (byte[])sampleQueue.Dequeue();
SoundPacket p = new SoundPacket(packet);
form.Invoke(form.myDelegate, new object[] { p.averageDB });
writer.Write(packet, 0, packet.Length);
}
}
this.isRecording = false;
writer.Close();
PortAudio.Pa_StopStream(stream);
}
private void play_loop()
{
while (reader.Position < reader.Length)
{
if (stop_flag)
{
break;
}
if (pause_flag)
{
continue; //just wait for it to be unpaused
}
//This is essentially working as a circular/FIFO buffer, where new sample packets are only added to the queue
//if there's room in the queue. Once the packet is read out of the queue in the callback function it's
//removed from the queue and there is room to add more info to the queue
if (sampleQueue.Count < QUEUE_LENGTH)
{
//Console.WriteLine("Writing");
byte[] buffer = new byte[NUM_SAMPLES]; //buffer to read the wav raw bytes into
int bytesRead = reader.Read(buffer, 0, NUM_SAMPLES); //read a block of bytes out from the wav
cSamplePos += bytesRead;
SoundPacket packet = new SoundPacket(buffer);
sampleQueue.Enqueue(packet); //send the buffer to the queue
}
}
this.stop_flag = true;
while (PortAudio.Pa_IsStreamActive(stream) != 0)
{
}
PortAudio.Pa_StopStream(stream);
this.isPlaying = false;
cSamplePos = 0;
this.stop_flag = false;
}