public AudioOutputPreview GetAudioPreview(SourceAudioTrack inputTrack, AudioEncodingViewModel audioVM)
{
HBAudioEncoder encoder = audioVM.HBAudioEncoder;
var outputPreviewTrack = new AudioOutputPreview
{
Name = inputTrack.Description,
Encoder = encoder.DisplayName
};
if (encoder.IsPassthrough)
{
// For passthrough encodes, we need to make sure the input track is of the right type
if (!HandBrakeEncoderHelpers.AudioEncoderIsCompatible(inputTrack.Codec, encoder) && encoder.ShortName != "copy")
{
return(null);
}
}
// Find out what the real mixdown, sample rate and bitrate will be.
HBMixdown mixdown;
int sampleRate, bitrate;
if (encoder.ShortName == "copy")
{
if (this.CopyMaskChoices.Any(
choice =>
{
if (!choice.Enabled)
{
return(false);
}
return((HandBrakeEncoderHelpers.GetAudioEncoder("copy:" + choice.Codec).Id & inputTrack.Codec) > 0);
}))
{
return(outputPreviewTrack);
}
if (this.Profile.AudioEncoderFallback == null)
{
encoder = HandBrakeEncoderHelpers.AudioEncoders.First(a => !a.IsPassthrough);
}
else
{
encoder = HandBrakeEncoderHelpers.GetAudioEncoder(this.Profile.AudioEncoderFallback);
}
mixdown = HandBrakeEncoderHelpers.GetDefaultMixdown(encoder, (ulong)inputTrack.ChannelLayout);
sampleRate = 0;
bitrate = 0;
outputPreviewTrack.Encoder = encoder.DisplayName;
}
else
{
mixdown = audioVM.SelectedMixdown.Mixdown;
sampleRate = audioVM.SampleRate;
bitrate = audioVM.SelectedBitrate.Bitrate;
}
HBMixdown previewMixdown;
previewMixdown = HandBrakeEncoderHelpers.SanitizeMixdown(mixdown, encoder, (ulong)inputTrack.ChannelLayout);
int previewSampleRate = sampleRate;
if (previewSampleRate == 0)
{
previewSampleRate = inputTrack.SampleRate;
}
int previewBitrate = bitrate;
if (previewBitrate == 0)
{
previewBitrate = HandBrakeEncoderHelpers.GetDefaultBitrate(encoder, previewSampleRate, previewMixdown);
}
else
{
previewBitrate = HandBrakeEncoderHelpers.SanitizeAudioBitrate(previewBitrate, encoder, previewSampleRate, previewMixdown);
}
outputPreviewTrack.Mixdown = previewMixdown.DisplayName;
outputPreviewTrack.SampleRate = DisplayConversions.DisplaySampleRate(previewSampleRate);
if (audioVM.EncodeRateType == AudioEncodeRateType.Bitrate)
{
if (previewBitrate >= 0)
{
outputPreviewTrack.Quality = previewBitrate + " kbps";
}
else
{
outputPreviewTrack.Quality = string.Empty;
}
}
else
{
outputPreviewTrack.Quality = "CQ " + audioVM.AudioQuality;
}
var modifiers = new List <string>();
if (audioVM.Gain != 0)
{
modifiers.Add(string.Format("{0}{1} dB", audioVM.Gain > 0 ? "+" : string.Empty, audioVM.Gain));
}
if (audioVM.Drc != 0)
{
modifiers.Add("DRC " + audioVM.Drc.ToString());
}
outputPreviewTrack.Modifiers = string.Join(", ", modifiers);
return(outputPreviewTrack);
}
public AudioOutputPreview GetAudioPreview(AudioTrack inputTrack, AudioEncodingViewModel audioVM)
{
HBAudioEncoder encoder = audioVM.HBAudioEncoder;
var outputPreviewTrack = new AudioOutputPreview
{
Name = inputTrack.NoTrackDisplay,
Encoder = encoder.DisplayName
};
if (encoder.IsPassthrough)
{
// For passthrough encodes, we need to make sure the input track is of the right type
if (!Encoders.AudioEncoderIsCompatible(inputTrack, encoder) && encoder.ShortName != "copy")
{
return null;
}
HBContainer container = Encoders.GetContainer(this.Profile.ContainerName);
if (encoder.ShortName == "copy" && (inputTrack.Codec == AudioCodec.Dts || inputTrack.Codec == AudioCodec.DtsHD) && container.DefaultExtension == "mp4")
{
this.PassthroughWarningText = EncodingRes.DtsMp4Warning;
this.PassthroughWarningVisible = true;
return outputPreviewTrack;
}
}
// Find out what the real mixdown, sample rate and bitrate will be.
HBMixdown mixdown;
int sampleRate, bitrate;
if (encoder.ShortName == "copy")
{
if (Encoders.AudioEncoderIsCompatible(inputTrack, encoder))
{
return outputPreviewTrack;
}
if (this.Profile.AudioEncoderFallback == null)
{
encoder = Encoders.AudioEncoders.First(a => !a.IsPassthrough);
}
else
{
encoder = Encoders.GetAudioEncoder(this.Profile.AudioEncoderFallback);
}
mixdown = Encoders.GetDefaultMixdown(encoder, inputTrack.ChannelLayout);
sampleRate = 0;
bitrate = 0;
outputPreviewTrack.Encoder = encoder.DisplayName;
}
else
{
mixdown = audioVM.SelectedMixdown.Mixdown;
sampleRate = audioVM.SampleRate;
bitrate = audioVM.SelectedBitrate.Bitrate;
}
HBMixdown previewMixdown;
previewMixdown = Encoders.SanitizeMixdown(mixdown, encoder, inputTrack.ChannelLayout);
int previewSampleRate = sampleRate;
if (previewSampleRate == 0)
{
previewSampleRate = inputTrack.SampleRate;
}
int previewBitrate = bitrate;
if (previewBitrate == 0)
{
previewBitrate = Encoders.GetDefaultBitrate(encoder, previewSampleRate, previewMixdown);
}
else
{
previewBitrate = Encoders.SanitizeAudioBitrate(previewBitrate, encoder, previewSampleRate, previewMixdown);
}
outputPreviewTrack.Mixdown = previewMixdown.DisplayName;
outputPreviewTrack.SampleRate = DisplayConversions.DisplaySampleRate(previewSampleRate);
if (audioVM.EncodeRateType == AudioEncodeRateType.Bitrate)
{
if (previewBitrate >= 0)
{
outputPreviewTrack.Quality = previewBitrate + " kbps";
}
else
{
outputPreviewTrack.Quality = string.Empty;
}
}
else
{
outputPreviewTrack.Quality = "CQ " + audioVM.AudioQuality;
}
var modifiers = new List<string>();
if (audioVM.Gain != 0)
{
modifiers.Add(string.Format("{0}{1} dB", audioVM.Gain > 0 ? "+" : string.Empty, audioVM.Gain));
}
if (audioVM.Drc != 0)
{
modifiers.Add("DRC " + audioVM.Drc.ToString());
}
outputPreviewTrack.Modifiers = string.Join(", ", modifiers);
return outputPreviewTrack;
}
public void RefreshAudioPreview()
{
if (this.SelectedTitle != null)
{
using (this.AudioOutputPreviews.SuppressChangeNotifications())
{
this.AudioOutputPreviews.Clear();
List <int> chosenAudioTracks = this.MainViewModel.GetChosenAudioTracks();
var outputPreviews = new List <AudioOutputPreview>();
foreach (AudioEncodingViewModel audioVM in this.AudioEncodings)
{
if (audioVM.IsValid)
{
if (audioVM.TargetStreamIndex == 0)
{
foreach (AudioChoiceViewModel audioChoice in this.MainViewModel.AudioChoices)
{
AudioOutputPreview audioPreview = this.GetAudioPreview(
this.SelectedTitle.AudioList[audioChoice.SelectedIndex], audioVM);
if (audioPreview != null)
{
outputPreviews.Add(audioPreview);
}
}
}
else if (audioVM.TargetStreamIndex - 1 < chosenAudioTracks.Count)
{
int titleAudioIndex = chosenAudioTracks[audioVM.TargetStreamIndex - 1];
AudioOutputPreview audioPreview = this.GetAudioPreview(this.SelectedTitle.AudioList[titleAudioIndex - 1],
audioVM);
if (audioPreview != null)
{
outputPreviews.Add(audioPreview);
}
}
}
}
for (int i = 0; i < outputPreviews.Count; i++)
{
outputPreviews[i].TrackNumber = "#" + (i + 1);
this.AudioOutputPreviews.Add(outputPreviews[i]);
}
// Add the header row
if (this.AudioOutputPreviews.Count > 0)
{
this.AudioOutputPreviews.Insert(0, new AudioOutputPreview
{
TrackNumber = EncodingRes.Track,
Name = EncodingRes.Source,
Encoder = EncodingRes.Encoder,
Mixdown = EncodingRes.ChannelLayout,
SampleRate = EncodingRes.SampleRate,
Quality = EncodingRes.Quality,
Modifiers = EncodingRes.Modifiers
});
}
}
}
}
