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Get chapter infor from file is no downloaded chapters were supplied.

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This commit is contained in:
Michael Bucari-Tovo 2021-06-28 12:51:28 -06:00
parent d564876eaa
commit b5389c67ea
2 changed files with 42 additions and 2 deletions
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10
AaxDecrypter/AaxcDownloadConverter.cs
View File

@ -135,9 +135,11 @@ namespace AaxDecrypter
var aaxcProcesser = new FFMpegAaxcProcesser(downloadLicense); var aaxcProcesser = new FFMpegAaxcProcesser(downloadLicense);
aaxcProcesser.ProgressUpdate += AaxcProcesser_ProgressUpdate; aaxcProcesser.ProgressUpdate += AaxcProcesser_ProgressUpdate;
bool userSuppliedChapters = chapters != null;
string metadataPath = null; string metadataPath = null;
if (chapters != null) if (userSuppliedChapters)
{ {
//Only write chaopters to the metadata file. All other aaxc metadata will be //Only write chaopters to the metadata file. All other aaxc metadata will be
//wiped out but is restored in Step 3. //wiped out but is restored in Step 3.
@ -151,7 +153,10 @@ namespace AaxDecrypter
.GetAwaiter() .GetAwaiter()
.GetResult(); .GetResult();
if (chapters != null) if (!userSuppliedChapters && aaxcProcesser.Succeeded)
chapters = new ChapterInfo(outputFileName);
if (userSuppliedChapters)
FileExt.SafeDelete(metadataPath); FileExt.SafeDelete(metadataPath);
DecryptProgressUpdate?.Invoke(this, 0); DecryptProgressUpdate?.Invoke(this, 0);
@ -187,6 +192,7 @@ namespace AaxDecrypter
destTags.SetData(stag.BoxType, stag.Children.Cast<TagLib.Mpeg4.AppleDataBox>().ToArray()); destTags.SetData(stag.BoxType, stag.Children.Cast<TagLib.Mpeg4.AppleDataBox>().ToArray());
} }
outFile.Save(); outFile.Save();
return true; return true;
} }

34
AaxDecrypter/Chapters.cs
View File

@ -1,5 +1,8 @@
using Dinah.Core; using Dinah.Core;
using Dinah.Core.Diagnostics;
using System.Collections.Generic; using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.Linq; using System.Linq;
using System.Text; using System.Text;
@ -10,6 +13,37 @@ namespace AaxDecrypter
private List<Chapter> _chapterList = new List<Chapter>(); private List<Chapter> _chapterList = new List<Chapter>();
public IEnumerable<Chapter> Chapters => _chapterList.AsEnumerable(); public IEnumerable<Chapter> Chapters => _chapterList.AsEnumerable();
public int Count => _chapterList.Count; public int Count => _chapterList.Count;
public ChapterInfo() { }
public ChapterInfo(string audiobookFile)
{
var info = new ProcessStartInfo
{
FileName = DecryptSupportLibraries.ffprobePath,
Arguments = "-loglevel panic -show_chapters -print_format xml \"" + audiobookFile + "\""
};
var xml = info.RunHidden().Output;
var xmlDocument = new System.Xml.XmlDocument();
xmlDocument.LoadXml(xml);
var chaptersXml = xmlDocument.SelectNodes("/ffprobe/chapters/chapter")
.Cast<System.Xml.XmlNode>()
.Where(n => n.Name == "chapter");
foreach (var cnode in chaptersXml)
{
double startTime = double.Parse(cnode.Attributes["start_time"].Value.Replace(",", "."), CultureInfo.InvariantCulture);
double endTime = double.Parse(cnode.Attributes["end_time"].Value.Replace(",", "."), CultureInfo.InvariantCulture);
string chapterTitle = cnode.ChildNodes
.Cast<System.Xml.XmlNode>()
.Where(childnode => childnode.Attributes["key"].Value == "title")
.Select(childnode => childnode.Attributes["value"].Value)
.FirstOrDefault();
AddChapter(new Chapter(chapterTitle, (long)(startTime * 1000), (long)((endTime - startTime) * 1000)));
}
}
public void AddChapter(Chapter chapter) public void AddChapter(Chapter chapter)
{ {
ArgumentValidator.EnsureNotNull(chapter, nameof(chapter)); ArgumentValidator.EnsureNotNull(chapter, nameof(chapter));