private void timer_Tick(object sender, System.EventArgs e)
{
FMOD.RESULT result;
if (recording)
{
uint recordpos = 0;
result = system.getRecordPosition(selected, ref recordpos);
ERRCHECK(result);
if (recordpos != lastrecordpos)
{
IntPtr ptr1 = IntPtr.Zero, ptr2 = IntPtr.Zero;
int blocklength;
uint len1 = 0, len2 = 0;
blocklength = (int)recordpos - (int)lastrecordpos;
if (blocklength < 0)
{
blocklength += (int)soundlength;
}
/*
* Lock the sound to get access to the raw data.
*/
sound.@lock(lastrecordpos * 4, (uint)blocklength * 4, ref ptr1, ref ptr2, ref len1, ref len2); /* *4 = stereo 16bit. 1 sample = 4 bytes. */
/*
* Write it to disk.
*/
if (ptr1 != IntPtr.Zero && len1 > 0)
{
byte[] buf = new byte[len1];
Marshal.Copy(ptr1, buf, 0, (int)len1);
datalength += (int)len1;
fs.Write(buf, 0, (int)len1);
}
if (ptr2 != IntPtr.Zero && len2 > 0)
{
byte[] buf = new byte[len2];
Marshal.Copy(ptr2, buf, 0, (int)len2);
datalength += (int)len2;
fs.Write(buf, 0, (int)len2);
}
/*
* Unlock the sound to allow FMOD to use it again.
*/
sound.unlock(ptr1, ptr2, len1, len2);
}
lastrecordpos = recordpos;
statusBar.Text = "Record buffer pos = " + recordpos + " Record time = " + datalength / 44100 / 4 / 60 + ":" + (datalength / 44100 / 4) % 60;
}
if (system != null)
{
system.update();
}
}