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Only split chapters at least 15 seconds long.

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This commit is contained in:
Michael Bucari-Tovo 2021-10-06 13:44:03 -06:00
parent f1c87308ea
commit b870d562ff
1 changed files with 28 additions and 6 deletions
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34
AaxDecrypter/AaxcDownloadConverter.cs
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@ -4,11 +4,13 @@ using Dinah.Core.Net.Http;
using Dinah.Core.StepRunner; using Dinah.Core.StepRunner;
using System; using System;
using System.IO; using System.IO;
using System.Linq;
namespace AaxDecrypter namespace AaxDecrypter
{ {
public class AaxcDownloadConverter : AudiobookDownloadBase public class AaxcDownloadConverter : AudiobookDownloadBase
{ {
private static readonly TimeSpan minChapterLength = TimeSpan.FromSeconds(15);
protected override StepSequence steps { get; } protected override StepSequence steps { get; }
private AaxFile aaxFile; private AaxFile aaxFile;
@ -81,11 +83,30 @@ namespace AaxDecrypter
{ {
var zeroProgress = Step2_Start(); var zeroProgress = Step2_Start();
var chapters = downloadLicense.ChapterInfo.Chapters.ToList();
//Ensure split files are at least minChapterLength in duration.
var splitChapters = new ChapterInfo();
splitChapters.AddChapter(chapters[0].Title, chapters[0].Duration);
var runningTotal = chapters[0].Duration;
for (int i = 1; i < chapters.Count; i++)
{
if (runningTotal >= minChapterLength)
{
splitChapters.AddChapter(chapters[i].Title, chapters[i].Duration);
runningTotal = chapters[i].Duration;
}
else
runningTotal += chapters[i].Duration;
}
aaxFile.ConversionProgressUpdate += AaxFile_ConversionProgressUpdate; aaxFile.ConversionProgressUpdate += AaxFile_ConversionProgressUpdate;
if(OutputFormat == OutputFormat.M4b) if(OutputFormat == OutputFormat.M4b)
ConvertToMultiMp4b(); ConvertToMultiMp4b(splitChapters);
else else
ConvertToMultiMp3(); ConvertToMultiMp3(splitChapters);
aaxFile.ConversionProgressUpdate -= AaxFile_ConversionProgressUpdate; aaxFile.ConversionProgressUpdate -= AaxFile_ConversionProgressUpdate;
Step2_End(zeroProgress); Step2_End(zeroProgress);
@ -117,10 +138,10 @@ namespace AaxDecrypter
OnDecryptProgressUpdate(zeroProgress); OnDecryptProgressUpdate(zeroProgress);
} }
private void ConvertToMultiMp4b() private void ConvertToMultiMp4b(ChapterInfo splitChapters)
{ {
var chapterCount = 0; var chapterCount = 0;
aaxFile.ConvertToMultiMp4a(downloadLicense.ChapterInfo, newSplitCallback => aaxFile.ConvertToMultiMp4a(splitChapters, newSplitCallback =>
{ {
chapterCount++; chapterCount++;
var fileName = Path.ChangeExtension(outputFileName, $"{chapterCount}.m4b"); var fileName = Path.ChangeExtension(outputFileName, $"{chapterCount}.m4b");
@ -130,10 +151,11 @@ namespace AaxDecrypter
}); });
} }
private void ConvertToMultiMp3() private void ConvertToMultiMp3(ChapterInfo splitChapters)
{ {
var chapterCount = 0; var chapterCount = 0;
aaxFile.ConvertToMultiMp3(downloadLicense.ChapterInfo, newSplitCallback =>
aaxFile.ConvertToMultiMp3(splitChapters, newSplitCallback =>
{ {
chapterCount++; chapterCount++;
var fileName = Path.ChangeExtension(outputFileName, $"{chapterCount}.mp3"); var fileName = Path.ChangeExtension(outputFileName, $"{chapterCount}.mp3");