/// <summary>
/// Draws the current selected position.
/// </summary>
private void DrawCurrentPosition()
{
var position = AudioStreamHelper.GetPosition(BassPlayer.RawLoopTrack);
BeginInvoke((MethodInvoker) delegate
{
var oldBitmap = picWaveForm.Image;
var bitmap = new Bitmap(picWaveForm.Width, picWaveForm.Height);
if (position >= ZoomStart && position <= ZoomEnd)
{
var positionPercent = (position - ZoomStart) / (double)ZoomLength;
var x = Convert.ToInt32(Math.Round(positionPercent * picWaveForm.Width, 0));
using (var pen = new Pen(Color.Gray))
using (var graphics = Graphics.FromImage(bitmap))
{
graphics.Clear(Color.Black);
graphics.DrawLine(pen, x, 0, x, picWaveForm.Height - 1);
}
}
bitmap.MakeTransparent(Color.Black);
picWaveForm.Image = bitmap;
oldBitmap?.Dispose();
});
}
/// <summary>
/// Mutes the track FX.
/// </summary>
public void StopTrackFxSend()
{
if (CurrentTrack == null || LastTrackFxTrigger == null || LastTrackFxTriggerTrack == null)
{
return;
}
// DebugHelper.WriteLine("Start StopTrackFXSend");
_trackSendMixer.SetVolume(0);
// DebugHelper.WriteLine("Calculate TrackFXSend Length");
var position = AudioStreamHelper.GetPosition(LastTrackFxTriggerTrack);
var positionSeconds = LastTrackFxTriggerTrack.SamplesToSeconds(position);
var length = positionSeconds - LastTrackFxTrigger.Start;
if (length <= 0 || position >= LastTrackFxTriggerTrack.FadeOutStart)
{
length = LastTrackFxTriggerTrack.SamplesToSeconds(LastTrackFxTriggerTrack.FadeOutStart) -
LastTrackFxTrigger.Start;
}
LastTrackFxTrigger.Length = length;
// DebugHelper.WriteLine("End StopTrackFXSend");
}
public void StopRecordingManualExtendedMix(bool powerDownAfterFade)
{
if (CurrentTrack == null)
{
return;
}
if (PreviousTrack == null)
{
return;
}
if (!IsManualMixMode)
{
return;
}
if (PreviousManaulExtendedFadeType == ExtendedFadeType.PowerDown)
{
return;
}
CreateLastExtendedMixAttributes();
var attributes = LastExtendedMixAttributes;
attributes.FadeEnd = AudioStreamHelper.GetPosition(PreviousTrack);
attributes.FadeLength = GetAdjustedPositionSeconds(CurrentTrack);
attributes.FadeEndLoop = PreviousTrack.CurrentEndLoop;
attributes.FadeEndVolume = Convert.ToSingle(AudioStreamHelper.GetVolume(PreviousTrack) / 100);
attributes.PowerDownAfterFade = powerDownAfterFade;
if (IsManualMixMode)
{
RaiseOnEndFadeIn();
}
}
private void ApplySyncIfOneExistsForCurrentPosition(AudioStream audioStream)
{
var position = AudioStreamHelper.GetPosition(audioStream);
var sync = GetAudioSync(audioStream, position);
if (sync != null && sync.SyncType != SyncType.AudioStreamEvent)
{
OnSync(sync.Id, audioStream.ChannelId, int.MinValue, IntPtr.Zero);
}
}
/// <summary>
/// Gets the current automated track FX.
/// </summary>
/// <returns>The current automated track FX.</returns>
private SampleTrigger GetCurrentSampleTrigger(AutomationAttributes attributes = null)
{
if (CurrentTrack == null)
{
return(null);
}
if (attributes == null)
{
attributes = AutomationAttributesHelper.GetAutomationAttributes(CurrentTrack.Description);
}
var position = AudioStreamHelper.GetPosition(CurrentTrack);
return(GetCurrentSampleTriggers(attributes)
.OrderBy(t => Math.Abs(t.StartSample - position))
.FirstOrDefault());
}
private void StopRecordingSampleTrigger()
{
if (CurrentTrack == null || LastSampleTrigger == null || LastSampleTriggerTrack == null)
{
return;
}
var position = AudioStreamHelper.GetPosition(LastSampleTriggerTrack);
var positionSeconds = LastSampleTriggerTrack.SamplesToSeconds(position);
var length = positionSeconds - LastSampleTrigger.Start;
if (length <= 0 || position >= LastSampleTriggerTrack.FadeOutStart)
{
length = LastSampleTriggerTrack.SamplesToSeconds(LastSampleTriggerTrack.FadeOutStart) -
LastSampleTrigger.Start;
}
LastSampleTrigger.Length = length;
}
/// <summary>
/// Silences the track FX.
/// </summary>
public void StartTrackFxSend()
{
_trackSendMixer.SetVolume(50M);
if (CurrentTrack == null)
{
return;
}
LastTrackFxTriggerTrack = CurrentTrack;
var position = AudioStreamHelper.GetPosition(LastTrackFxTriggerTrack);
LastTrackFxTrigger = new TrackFXTrigger
{
Start = LastTrackFxTriggerTrack.SamplesToSeconds(position),
DelayNotes = TrackSendFxDelayNotes
};
_trackSendMixer.SetPluginBpm();
}
/// <summary>
/// Gets the current automated track FX.
/// </summary>
/// <returns>The current automated track FX.</returns>
private TrackFXTrigger GetPrevTrackFxTrigger(AutomationAttributes attributes = null)
{
if (CurrentTrack == null)
{
return(null);
}
if (attributes == null)
{
attributes = AutomationAttributesHelper.GetAutomationAttributes(CurrentTrack.Description);
}
var position = AudioStreamHelper.GetPosition(CurrentTrack);
return(attributes
.TrackFXTriggers
.Where(ta => ta.StartSample <= position)
.OrderBy(ta => Math.Abs(ta.StartSample - position))
.FirstOrDefault());
}
private void StartRecordingSampleTrigger(Sample sample)
{
if (CurrentTrack == null)
{
return;
}
if (sample == null)
{
return;
}
LastSampleTriggerTrack = CurrentTrack;
LastSampleTriggerNextTrackDescription = NextTrack == null ? "" : NextTrack.Description;
LastSampleTriggerPrevTrackDescription = PreviousTrack == null ? "" : PreviousTrack.Description;
var position = AudioStreamHelper.GetPosition(LastSampleTriggerTrack);
LastSampleTrigger = new SampleTrigger
{
Start = LastSampleTriggerTrack.SamplesToSeconds(position),
DelayNotes = SamplerDelayNotes,
SampleId = sample.SampleId
};
}
public void ForceFadeNow(ForceFadeType fadeType)
{
if (PlayState != PlayState.Playing)
{
return;
}
if (NextTrack == null || CurrentTrack == null)
{
return;
}
if (fadeType == ForceFadeType.SkipToEnd)
{
AudioStreamHelper.SetPosition(CurrentTrack,
CurrentTrack.FadeOutStart - CurrentTrack.SecondsToSamples(0.01M));
}
else
{
CurrentForceFadeType = fadeType;
IsForceFadeNowMode = true;
var length = 0D;
switch (fadeType)
{
case ForceFadeType.Cut:
length = GetCutFadeLength(CurrentTrack);
break;
case ForceFadeType.PowerDown:
length = GetPowerDownFadeLength(CurrentTrack);
CurrentTrack.PowerDownOnEnd = true;
break;
case ForceFadeType.QuickFade:
length = GetCutFadeLength(CurrentTrack);
break;
case ForceFadeType.SkipToEnd:
break;
default:
throw new ArgumentOutOfRangeException(nameof(fadeType), fadeType, null);
}
if (CurrentTrack.FadeOutLengthSeconds < length)
{
length = CurrentTrack.FadeOutLengthSeconds;
}
CurrentTrack.EndLoopCount = 0;
BassMix.BASS_Mixer_ChannelRemoveSync(CurrentTrack.ChannelId, CurrentTrack.FadeOutStartSyncId);
CurrentTrack.FadeOutStartSyncId = int.MinValue;
BassMix.BASS_Mixer_ChannelRemoveSync(CurrentTrack.ChannelId, CurrentTrack.FadeOutEndSyncId);
CurrentTrack.FadeOutEndSyncId = int.MinValue;
var position = AudioStreamHelper.GetPosition(CurrentTrack);
CurrentTrack.FadeOutStart = position + CurrentTrack.SecondsToSamples(0.05M);
SetTrackSync(CurrentTrack, CurrentTrack.FadeOutStart, SyncType.StartFadeOut);
CurrentTrack.FadeOutEnd = CurrentTrack.FadeOutStart + CurrentTrack.SecondsToSamples(length);
SetTrackSync(CurrentTrack, CurrentTrack.FadeOutEnd, SyncType.EndFadeOut);
}
}
