private void RefreshMixdownChoices()
{
HBMixdown oldMixdown = null;
if (this.SelectedMixdown != null)
{
oldMixdown = this.SelectedMixdown.Mixdown;
}
this.mixdownChoices = new List <MixdownViewModel>();
HBAudioEncoder hbAudioEncoder = this.HBAudioEncoder;
foreach (HBMixdown mixdown in Encoders.Mixdowns)
{
// Only add option if codec supports the mixdown
if (Encoders.MixdownHasCodecSupport(mixdown, hbAudioEncoder))
{
// Determine compatibility of mixdown with the input channel layout
// Incompatible mixdowns are grayed out
bool isCompatible = true;
if (this.main.HasVideoSource)
{
AudioTrack track = this.GetTargetAudioTrack();
if (track != null)
{
isCompatible = Encoders.MixdownHasRemixSupport(mixdown, track.ChannelLayout);
}
}
this.MixdownChoices.Add(new MixdownViewModel {
Mixdown = mixdown, IsCompatible = isCompatible
});
}
}
this.RaisePropertyChanged(() => this.MixdownChoices);
this.SelectMixdown(oldMixdown);
this.RaisePropertyChanged(() => this.SelectedMixdown);
}