private async void Open_Click(object sender, RoutedEventArgs e)
{
var ofn = new OpenFileDialog {
Filter = CodecFactory.SupportedFilesFilterEn
};
if (ofn.ShowDialog() == true)
{
_soundOut.Stop();
if (_notificationSource != null)
{
_notificationSource.Dispose();
}
var source = CodecFactory.Instance.GetCodec(ofn.FileName);
source = new CachedSoundSource(source);
source.Position = 0;
await LoadWaveformsAsync(source);
source.Position = 0;
_sampleSource = source.ToSampleSource();
_notificationSource = new NotificationSource(_sampleSource)
{
Interval = 100
};
_notificationSource.BlockRead += (o, args) => { UpdatePosition(); };
_soundOut.Initialize(_notificationSource.ToWaveSource());
_soundOut.Play();
}
}
private async void Open_Click(object sender, RoutedEventArgs e)
{
var ofn = new OpenFileDialog {
Filter = CodecFactory.SupportedFilesFilterEn
};
if (ofn.ShowDialog() == true)
{
_soundOut.Stop();
if (_notificationSource != null)
{
_notificationSource.Dispose();
}
var source = CodecFactory.Instance.GetCodec(ofn.FileName);
//since the mediafoundationdecoder isn't really accurate what position and length concerns
//read the whole file into a cache
if (source is MediaFoundationDecoder)
{
if (source.Length < 10485760) //10MB
{
source = new CachedSoundSource(source);
}
else
{
Stopwatch stopwatch = Stopwatch.StartNew();
source = new FileCachedSoundSource(source);
stopwatch.Stop();
Debug.WriteLine(stopwatch.Elapsed.ToString());
}
}
source.Position = 0;
//load the waveform
await LoadWaveformsAsync(source);
source.Position = 0;
_sampleSource = source.ToSampleSource();
_notificationSource = new NotificationSource(_sampleSource)
{
Interval = 100
};
_notificationSource.BlockRead += (o, args) => { UpdatePosition(); };
_soundOut.Initialize(_notificationSource.ToWaveSource());
_soundOut.Play();
}
}
private void MainWindow_OnClosing(object sender, CancelEventArgs e)
{
if (_soundOut != null)
{
_soundOut.Dispose();
}
if (_notificationSource != null)
{
_notificationSource.Dispose();
}
}