/// <summary>
/// не работает
/// </summary>
/// <param name="delay"></param>
/// <param name="_basicplayer"></param>
/// <returns></returns>
public async Task FadeOut2(float delay, BasicPlayerFunction _basicplayer)
{
try
{
TimeSpan time = TimeSpan.FromMilliseconds(delay);
int iVolume = (int)_basicplayer.Volume;//*100;
while (_basicplayer.Volume > VOLUME_MIN)
{
iVolume = iVolume - 2;
double fVolume = 1 - ((float)Math.Log(INT_VOLUME_MAX - iVolume) / (float)Math.Log(INT_VOLUME_MAX));
if (fVolume < FLOAT_VOLUME_MIN)
{
fVolume = FLOAT_VOLUME_MIN;
break;
}
await Task.Delay(time);
await Task.Run(() =>
{
_basicplayer.Volume = fVolume;
});
}
_basicplayer.Stop();
}
catch (OperationCanceledException ex)
{
//Do stuff to handle cancellation
MessageBox.Show("OperationCanceledException " + ex);
}
}
/// <summary>
/// не работает
/// </summary>
/// <param name="duration"></param>
/// <param name="_basicplayer"></param>
/// <returns></returns>
public async Task FadeIn2(float duration, BasicPlayerFunction _basicplayer)
{
try
{
float time = 0;
_basicplayer.Play();
_basicplayer.Volume = 100 / INT_VOLUME_MAX;
while (_basicplayer.Volume < INT_VOLUME_MAX)
{
time += 100;
float volume = ((float)_basicplayer.Volume * time) / duration;
await Task.Delay(100);
await Task.Run(() =>
{
_basicplayer.Volume = volume;
});
}
}
catch (OperationCanceledException ex)
{
//Do stuff to handle cancellation
MessageBox.Show("OperationCanceledException " + ex);
}
}
public async Task FadeIn(float delay, BasicPlayerFunction _basicplayer)
{
try
{
TimeSpan time = TimeSpan.FromMilliseconds(delay);
int iVolume = 0;//(int)_basicplayer.Volume;
_basicplayer.Play();
while (_basicplayer.Volume < FLOAT_VOLUME_MAX)
{
iVolume = iVolume + 4;
if (iVolume > INT_VOLUME_MAX)
{
iVolume = INT_VOLUME_MAX;
}
float fVolume = 1 - ((float)Math.Log(INT_VOLUME_MAX - iVolume) / (float)Math.Log(INT_VOLUME_MAX));
if (fVolume > FLOAT_VOLUME_MAX)
{
// _basicplayer.Volume = INT_VOLUME_MAX;
fVolume = FLOAT_VOLUME_MAX;
// MessageBox.Show("Doshol do 100");
// break;
}
await Task.Delay(time);
await Task.Run(() =>
{
if (Properties.Settings.Default.AudioLibrary == (int)MediaEngine.Wmp)
{
fVolume *= 100;
}
_basicplayer.Volume = fVolume;
});
}
return;
}
catch (OperationCanceledException ex)
{
//Do stuff to handle cancellation
MessageBox.Show("OperationCanceledException " + ex);
}
}
public async Task FadeOut(float duration, BasicPlayerFunction _basicplayer)
{
try
{
float time = duration;
while (_basicplayer.Volume > VOLUME_MIN)
{
time -= 20;
float volume = ((float)_basicplayer.Volume * time) / duration;
await Task.Delay(100);
await Task.Run(() =>
{
_basicplayer.Volume = volume;
});
}
_basicplayer.Stop();
}
catch (OperationCanceledException ex)
{
//Do stuff to handle cancellation
MessageBox.Show("OperationCanceledException " + ex);
}
}
