private void SetupAudioVisualizer()
{
_audioVisualizer = new AudioVisualizer(Window.AudioVisualizerView);
_timerWaveform = new System.Timers.Timer(50);
_timerWaveform.Elapsed += (object sender, System.Timers.ElapsedEventArgs e) =>
{
InvokeOnMainThread(() =>
{
_timerWaveform.Stop();
System.Threading.Thread.Sleep(100);
if (_videoFileName != null && _audioVisualizer != null)
{
int index = -1;
var selectedIndices = Window.SubtitleTable.SelectedRows.ToList();
if (selectedIndices.Count > 0)
index = (int)selectedIndices.First();
if (_audioVisualizer.Locked)
{
double startPos = _videoPlayer.Position - ((_audioVisualizer.EndPositionSeconds - _audioVisualizer.StartPositionSeconds) / 2.0);
if (startPos < 0)
startPos = 0;
SetWaveformPosition(startPos, _videoPlayer.Position, index);
}
// else if (_videoPlayer.Position > _audioVisualizer.EndPositionSeconds || _videoPlayer.Position < _audioVisualizer.StartPositionSeconds)
// {
// double startPos = _videoPlayer.Position - 0.01;
// if (startPos < 0)
// startPos = 0;
// _audioVisualizer.ClearSelection();
// SetWaveformPosition(startPos, _videoPlayer.Position, index);
// }
else
{
SetWaveformPosition(_videoPlayer.Position, index);
}
_audioVisualizer.AudioVisualizerPaint();
}
_timerWaveform.Start();
});
};
_audioVisualizer.OnTimeChanged += (object sender, AudioVisualizerBase.ParagraphEventArgs e) =>
{
InvokeOnMainThread(() =>
{
ReloadDataKeepSelection();
});
};
_audioVisualizer.OnPositionSelected += (object sender, AudioVisualizerBase.ParagraphEventArgs e) =>
{
if (string.IsNullOrEmpty(_videoFileName) || e.Paragraph == null)
{
return;
}
int index = _subtitle.GetIndex(e.Paragraph);
if (index < 0)
{
return;
}
InvokeOnMainThread(() =>
{
ShowSubtitleRow(index);
_videoPlayer.Position = _selectedParagraph.StartTime.TotalSeconds + 0.1;
});
};
_audioVisualizer.OnDoubleClickNonParagraph += (object sender, AudioVisualizerBase.ParagraphEventArgs e) =>
{
if (string.IsNullOrEmpty(_videoFileName))
{
return;
}
int index = _subtitle.GetIndex(e.Seconds);
InvokeOnMainThread(() =>
{
if (index >= 0)
{
ShowSubtitleRow(index);
}
_videoPlayer.Position = e.Seconds;
});
};
}
public void NewSubtitle()
{
if (Window.SubtitleTable.DataSource == null || ContinueIfChanged())
{
_subtitleFileName = null;
SetNewSubtitle(new Subtitle());
Window.SetEncoding(Encoding.UTF8.BodyName);
Window.SubtitleText.StringValue = string.Empty;
Window.SetTimeCode(new Paragraph());
if (_videoPlayer != null)
{
_videoPlayer.DisposeVideoPlayer();
}
if (_audioVisualizer != null)
{
_audioVisualizer.WavePeaks = null;
}
_videoFileName = null;
_audioVisualizer = null;
}
}