public void Evaluate(int SpreadMax)
{
bool resetprms = false;
if (this.FPinInHandle.PinIsChanged)
{
this.ClearUp();
double dhandle;
this.FPinInHandle.GetValue(0, out dhandle);
int ihandle = Convert.ToInt32(Math.Round(dhandle));
if (this.FManager.Exists(ihandle))
{
this.FChannel = this.FManager.GetChannel(ihandle);
this.FChannel.OnInit += new EventHandler(FCHannel_OnInit);
if (this.FChannel.BassHandle.HasValue)
{
this.Setup();
resetprms = true;
}
}
}
if (this.FPinInCenter.PinIsChanged || this.FPinInRelease.PinIsChanged || this.FPinInBandWidth.PinIsChanged || resetprms)
{
if (this.FChannel != null)
{
if (this.FChannel.BassHandle.HasValue)
{
double band, center, release;
this.FPinInBandWidth.GetValue(0, out band);
this.FPinInCenter.GetValue(0, out center);
this.FPinInRelease.GetValue(0, out release);
BassFx.BASS_FX_BPM_BeatSetParameters(this.FChannel.BassHandle.Value, (float)band, (float)center, (float)release);
}
}
}
if (this.FOnBeat)
{
this.FPinOutOnBeat.SliceCount = 1;
this.FPinOutOnBeat.SetValue(0, 1);
this.FOnBeat = false;
}
else
{
this.FPinOutOnBeat.SliceCount = 1;
this.FPinOutOnBeat.SetValue(0, 0);
}
}
private void Scan()
{
long pos = Bass.BASS_ChannelGetLength(this.handle);
this.len = Bass.BASS_ChannelBytes2Seconds(this.handle, pos);
_beatProc = new BPMBEATPROC(MyBeatProc);
BassFx.BASS_FX_BPM_BeatCallbackSet(this.handle, _beatProc, IntPtr.Zero);
BassFx.BASS_FX_BPM_BeatSetParameters(this.handle, this.parameters.Width, this.parameters.Center, this.parameters.Release);
BassFx.BASS_FX_BPM_BeatDecodeGet(this.handle, 0.0, this.len, BASSFXBpm.BASS_FX_BPM_BKGRND, _beatProc, IntPtr.Zero);
Bass.BASS_StreamFree(this.handle);
if (OnComplete != null)
{
OnComplete(this.parameters.Index);
}
}
private void Setup()
{
if (this.FChannel != null)
{
if (this.FChannel.BassHandle.HasValue)
{
_beatProc = new BPMBEATPROC(MyBeatProc);
BassFx.BASS_FX_BPM_BeatCallbackSet(this.FChannel.BassHandle.Value, _beatProc, IntPtr.Zero);
double band, center, release;
this.FPinInBandWidth.GetValue(0, out band);
this.FPinInCenter.GetValue(0, out center);
this.FPinInRelease.GetValue(0, out release);
BassFx.BASS_FX_BPM_BeatSetParameters(this.FChannel.BassHandle.Value, (float)band, (float)center, (float)release);
}
}
}
