private void RefreshBitrateChoices()
{
if (this.SelectedAudioEncoder == null || this.SelectedMixdown == null)
{
return;
}
int oldBitrate = 0;
if (this.SelectedBitrate != null)
{
oldBitrate = this.SelectedBitrate.Bitrate;
}
this.bitrateChoices = new List <BitrateChoiceViewModel>();
BitrateLimits bitrateLimits = null;
// Determine if we should gray out "out of range" bitrates
// Can only do this if a source is loaded
if (this.main.HasVideoSource)
{
// Find if we're encoding a single track
var track = this.GetTargetAudioTrack();
// Can only gray out bitrates if we're encoding exactly one track
if (track != null)
{
int sampleRateLimits = this.SampleRate;
if (sampleRateLimits == 0)
{
sampleRateLimits = track.SampleRate;
}
HBMixdown mixdownLimits = this.SelectedMixdown.Mixdown;
if (mixdownLimits.ShortName == "none" || string.IsNullOrEmpty(mixdownLimits.ShortName))
{
mixdownLimits = Encoders.SanitizeMixdown(mixdownLimits, this.HBAudioEncoder, track.ChannelLayout);
}
bitrateLimits = Encoders.GetBitrateLimits(this.HBAudioEncoder, sampleRateLimits, mixdownLimits);
}
}
BitrateLimits encoderBitrateLimits = CodecUtilities.GetAudioEncoderLimits(this.HBAudioEncoder);
this.bitrateChoices.Add(new BitrateChoiceViewModel
{
Bitrate = 0,
IsCompatible = true
});
foreach (int bitrateChoice in Encoders.AudioBitrates)
{
if (bitrateChoice >= encoderBitrateLimits.Low && bitrateChoice <= encoderBitrateLimits.High)
{
bool isCompatible = bitrateLimits == null || bitrateChoice >= bitrateLimits.Low && bitrateChoice <= bitrateLimits.High;
this.bitrateChoices.Add(new BitrateChoiceViewModel
{
Bitrate = bitrateChoice,
IsCompatible = isCompatible
});
}
}
this.RaisePropertyChanged(() => this.BitrateChoices);
this.selectedBitrate = this.BitrateChoices.SingleOrDefault(b => b.Bitrate == oldBitrate);
if (this.selectedBitrate == null)
{
this.selectedBitrate = this.BitrateChoices[0];
}
//this.selectedBitrate = this.BitrateChoices.Single(b => b.Bitrate == oldBitrate);
this.RaisePropertyChanged(() => this.SelectedBitrate);
}