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Move source code into "Source" folder

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Robert McRackan 2022-05-09 10:31:45 -04:00
parent 1ee73fa1a7
commit 389fbb2371
287 changed files with 26 additions and 8 deletions
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Source/AaxDecrypter/AaxcDownloadConvertBase.cs Normal file
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using System;
using AAXClean;
using Dinah.Core.Net.Http;
namespace AaxDecrypter
{
public abstract class AaxcDownloadConvertBase : AudiobookDownloadBase
{
public event EventHandler<AppleTags> RetrievedMetadata;
protected AaxFile AaxFile;
protected AaxcDownloadConvertBase(string outFileName, string cacheDirectory, DownloadOptions dlLic)
: base(outFileName, cacheDirectory, dlLic) { }
/// <summary>Setting cover art by this method will insert the art into the audiobook metadata</summary>
public override void SetCoverArt(byte[] coverArt)
{
base.SetCoverArt(coverArt);
if (coverArt is not null && AaxFile?.AppleTags is not null)
AaxFile.AppleTags.Cover = coverArt;
}
protected bool Step_GetMetadata()
{
AaxFile = new AaxFile(InputFileStream);
if (DownloadOptions.StripUnabridged)
{
AaxFile.AppleTags.Title = AaxFile.AppleTags.TitleSansUnabridged;
AaxFile.AppleTags.Album = AaxFile.AppleTags.Album?.Replace(" (Unabridged)", "");
}
//Finishing configuring lame encoder.
if (DownloadOptions.OutputFormat == OutputFormat.Mp3)
{
double bitrateMultiple = 1;
if (AaxFile.AudioChannels == 2)
{
if (DownloadOptions.Downsample)
bitrateMultiple = 0.5;
else
DownloadOptions.LameConfig.Mode = NAudio.Lame.MPEGMode.Stereo;
}
if (DownloadOptions.MatchSourceBitrate)
{
int kbps = (int)(AaxFile.AverageBitrate * bitrateMultiple / 1024);
if (DownloadOptions.LameConfig.VBR is null)
DownloadOptions.LameConfig.BitRate = kbps;
else if (DownloadOptions.LameConfig.VBR == NAudio.Lame.VBRMode.ABR)
DownloadOptions.LameConfig.ABRRateKbps = kbps;
}
}
OnRetrievedTitle(AaxFile.AppleTags.TitleSansUnabridged);
OnRetrievedAuthors(AaxFile.AppleTags.FirstAuthor ?? "[unknown]");
OnRetrievedNarrators(AaxFile.AppleTags.Narrator ?? "[unknown]");
OnRetrievedCoverArt(AaxFile.AppleTags.Cover);
RetrievedMetadata?.Invoke(this, AaxFile.AppleTags);
return !IsCanceled;
}
protected DownloadProgress Step_DownloadAudiobook_Start()
{
var zeroProgress = new DownloadProgress
{
BytesReceived = 0,
ProgressPercentage = 0,
TotalBytesToReceive = InputFileStream.Length
};
OnDecryptProgressUpdate(zeroProgress);
AaxFile.SetDecryptionKey(DownloadOptions.AudibleKey, DownloadOptions.AudibleIV);
return zeroProgress;
}
protected void Step_DownloadAudiobook_End(DownloadProgress zeroProgress)
{
AaxFile.Close();
CloseInputFileStream();
OnDecryptProgressUpdate(zeroProgress);
}
protected void AaxFile_ConversionProgressUpdate(object sender, ConversionProgressEventArgs e)
{
var duration = AaxFile.Duration;
var remainingSecsToProcess = (duration - e.ProcessPosition).TotalSeconds;
var estTimeRemaining = remainingSecsToProcess / e.ProcessSpeed;
if (double.IsNormal(estTimeRemaining))
OnDecryptTimeRemaining(TimeSpan.FromSeconds(estTimeRemaining));
var progressPercent = (e.ProcessPosition / e.TotalDuration);
OnDecryptProgressUpdate(
new DownloadProgress
{
ProgressPercentage = 100 * progressPercent,
BytesReceived = (long)(InputFileStream.Length * progressPercent),
TotalBytesToReceive = InputFileStream.Length
});
}
public override void Cancel()
{
IsCanceled = true;
AaxFile?.Cancel();
AaxFile?.Dispose();
CloseInputFileStream();
}
}
}