public async System.Threading.Tasks.Task ApplyEqualizer(Equalizer.Band[] bands, AVPlayerItem item)
{
Bands = bands ?? new Equalizer.Band[0];
if (item == null)
{
return;
}
if (item.Tracks.Length == 0)
{
await item.WaitLoadTracks();
}
var audio = item.Tracks.FirstOrDefault(x => x.AssetTrack.HasMediaCharacteristic(AVMediaCharacteristic.Audible));
if (audio == null)
{
return;
}
if (processor == null || processor?.audioAssetTrack != audio.AssetTrack)
{
processor?.Dispose();
processor = new AudioTapProcessor(audio.AssetTrack)
{
Parent = this,
IsBandpassFilterEnabled = Active,
};
}
processor.IsBandpassFilterEnabled = StateManager.Shared.EqualizerEnabled;
item.AudioMix = processor.AudioMix;
for (int i = 0; i < Bands.Count(); i++)
{
UpdateBand(i, Bands[i].Gain);
}
}