65 lines
2.0 KiB
C#
65 lines
2.0 KiB
C#
using AAXClean;
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using System;
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using System.Threading.Tasks;
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namespace AaxDecrypter
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{
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public abstract class AaxcDownloadConvertBase : AudiobookDownloadBase
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{
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public event EventHandler<AppleTags> RetrievedMetadata;
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protected AaxFile AaxFile { get; private set; }
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protected Mp4Operation AaxConversion { get; set; }
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protected AaxcDownloadConvertBase(string outFileName, string cacheDirectory, IDownloadOptions dlOptions)
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: base(outFileName, cacheDirectory, dlOptions) { }
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/// <summary>Setting cover art by this method will insert the art into the audiobook metadata</summary>
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public override void SetCoverArt(byte[] coverArt)
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{
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base.SetCoverArt(coverArt);
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if (coverArt is not null && AaxFile?.AppleTags is not null)
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AaxFile.AppleTags.Cover = coverArt;
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}
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public override async Task CancelAsync()
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{
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IsCanceled = true;
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await (AaxConversion?.CancelAsync() ?? Task.CompletedTask);
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FinalizeDownload();
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}
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protected bool Step_GetMetadata()
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{
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AaxFile = new AaxFile(InputFileStream);
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AaxFile.SetDecryptionKey(DownloadOptions.AudibleKey, DownloadOptions.AudibleIV);
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if (DownloadOptions.StripUnabridged)
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{
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AaxFile.AppleTags.Title = AaxFile.AppleTags.TitleSansUnabridged;
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AaxFile.AppleTags.Album = AaxFile.AppleTags.Album?.Replace(" (Unabridged)", "");
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}
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if (DownloadOptions.FixupFile && !string.IsNullOrWhiteSpace(AaxFile.AppleTags.Narrator))
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AaxFile.AppleTags.AppleListBox.EditOrAddTag("TCOM", AaxFile.AppleTags.Narrator);
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//Finishing configuring lame encoder.
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if (DownloadOptions.OutputFormat == OutputFormat.Mp3)
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MpegUtil.ConfigureLameOptions(
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AaxFile,
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DownloadOptions.LameConfig,
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DownloadOptions.Downsample,
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DownloadOptions.MatchSourceBitrate);
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OnRetrievedTitle(AaxFile.AppleTags.TitleSansUnabridged);
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OnRetrievedAuthors(AaxFile.AppleTags.FirstAuthor ?? "[unknown]");
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OnRetrievedNarrators(AaxFile.AppleTags.Narrator ?? "[unknown]");
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OnRetrievedCoverArt(AaxFile.AppleTags.Cover);
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RetrievedMetadata?.Invoke(this, AaxFile.AppleTags);
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return !IsCanceled;
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}
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}
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}
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