internal void StartSync()
{
long startpos;
if (IsPaused())
{
startpos = -1;
}
else if (!clsAudioSync.StaticAudioSyncEna)
{
startpos = 0;
}
else
{
startpos = (P.F.CurrentBBT.Beats < Elapsed.Play.Count &&
Elapsed.Play[P.F.CurrentBBT.Beats] > 0) ?
Elapsed.Play[P.F.CurrentBBT.Beats] :
Elapsed.GetPrevActivePos(P.F.CurrentBBT.Beats);
}
int?nextbeat = null;
//long? playsigbytes = (!P.frmStart.chkNoAudioSync.Checked && AutoSync.Cmd != clsAutoSync.eCmd.Record) ?
long?playsigbytes = (clsAudioSync.StaticAudioSyncEna && clsAudioSync.Cmd != clsAudioSync.eCmd.Record) ?
Elapsed.GetNextActive(CurrentBBT.Beats, out nextbeat) : null;
try {
if (P.F.frmAutoSync != null && !IsPaused() &&
P.F.frmAutoSync.trkPos.Enabled && P.F.frmAutoSync.chkStartRecPos.Checked)
{
long pos = GetSeconds2Units(P.F.frmAutoSync.trkPos.Value);
int index = Elapsed.GetPlayIndex(pos) + 1; //one after next
//if (!P.frmStart.chkNoAudioSync.Checked) {
if (clsAudioSync.StaticAudioSyncEna)
{
playsigbytes = (index < Elapsed.Play.Count) ? Elapsed.Play[index] : (long?)null;
}
PlayFile((double)P.F.frmAutoSync.trkPos.Value, playsigbytes);
}
else
{
PlayFile(startpos, playsigbytes); //play and wait for switchkey
}
P.F.frmAutoSync?.StartPlay();
}
catch (AudioIOException) {
return;
}
MidiPlay.Sync.RefreshBBTTimer.Stop();
MidiPlay.Sync.BBTQueue.Clear();
//* refreshBBT on next OnMP3Timer call
if (nextbeat.HasValue)
{
CurrentBBT = new clsMTime.clsBBT(nextbeat.Value, true);
}
if (P.F.frmAutoSync != null)
{
P.F.frmAutoSync.UpdateCurrentPos();
}
P.frmStart.StreamPlayOnAll(); //enable/disable StartPlay/StopPlay etc.
P.frmStart.FormsStreamOnOff(true); //enable/disable controls (not StartPlay/StopPlay etc.)
}