f2d475a9b0
Fix the following tag fields so they are correctly parsed and displayed in audiobookshelf: Language Publisher Series name and number ASIN
59 lines
1.7 KiB
C#
59 lines
1.7 KiB
C#
using AAXClean;
|
|
using AAXClean.Codecs;
|
|
using NAudio.Lame;
|
|
using System;
|
|
|
|
namespace AaxDecrypter
|
|
{
|
|
public static class MpegUtil
|
|
{
|
|
private const string TagDomain = "com.pilabor.tone";
|
|
public static void ConfigureLameOptions(Mp4File mp4File, LameConfig lameConfig, bool downsample, bool matchSourceBitrate)
|
|
{
|
|
double bitrateMultiple = 1;
|
|
|
|
if (mp4File.TimeScale < lameConfig.OutputSampleRate)
|
|
{
|
|
lameConfig.OutputSampleRate = mp4File.TimeScale;
|
|
}
|
|
else if (mp4File.TimeScale > lameConfig.OutputSampleRate)
|
|
{
|
|
bitrateMultiple *= (double)lameConfig.OutputSampleRate / mp4File.TimeScale;
|
|
}
|
|
|
|
if (mp4File.AudioChannels == 2)
|
|
{
|
|
if (downsample)
|
|
bitrateMultiple /= 2;
|
|
else
|
|
lameConfig.Mode = MPEGMode.Stereo;
|
|
}
|
|
|
|
if (matchSourceBitrate)
|
|
{
|
|
int kbps = (int)Math.Round(mp4File.AverageBitrate * bitrateMultiple / 1024);
|
|
|
|
if (lameConfig.VBR is null)
|
|
lameConfig.BitRate = kbps;
|
|
else if (lameConfig.VBR == VBRMode.ABR)
|
|
lameConfig.ABRRateKbps = kbps;
|
|
}
|
|
|
|
//Setup metadata tags
|
|
lameConfig.ID3 = mp4File.AppleTags.ToIDTags();
|
|
|
|
if (mp4File.AppleTags.AppleListBox.GetFreeformTagString(TagDomain, "SUBTITLE") is string subtitle)
|
|
lameConfig.ID3.Subtitle = subtitle;
|
|
|
|
if (mp4File.AppleTags.AppleListBox.GetFreeformTagString(TagDomain, "LANGUAGE") is string lang)
|
|
lameConfig.ID3.UserDefinedText.Add("LANGUAGE", lang);
|
|
|
|
if (mp4File.AppleTags.AppleListBox.GetFreeformTagString(TagDomain, "SERIES") is string series)
|
|
lameConfig.ID3.UserDefinedText.Add("SERIES", series);
|
|
|
|
if (mp4File.AppleTags.AppleListBox.GetFreeformTagString(TagDomain, "PART") is string part)
|
|
lameConfig.ID3.UserDefinedText.Add("PART", part);
|
|
}
|
|
}
|
|
}
|