public bool Step1_GetMetadata()
{
//Get metadata from the file over http
if (File.Exists(jsonDownloadState))
{
try
{
nfsPersister = new NetworkFileStreamPersister(jsonDownloadState);
//If More thaan ~1 hour has elapsed since getting the download url, it will expire.
//The new url will be to the same file.
nfsPersister.NetworkFileStream.SetUriForSameFile(new Uri(downloadLicense.DownloadUrl));
}
catch
{
FileExt.SafeDelete(jsonDownloadState);
FileExt.SafeDelete(tempFile);
nfsPersister = NewNetworkFilePersister();
}
}
else
{
nfsPersister = NewNetworkFilePersister();
}
nfsPersister.NetworkFileStream.BeginDownloading();
aaxFile = new AaxFile(nfsPersister.NetworkFileStream);
coverArt = aaxFile.AppleTags.Cover;
RetrievedTags?.Invoke(this, aaxFile.AppleTags);
RetrievedCoverArt?.Invoke(this, coverArt);
return(!isCanceled);
}
private bool Step_DownloadAudiobookAsSingleFile()
{
var zeroProgress = Step_DownloadAudiobook_Start();
FileUtility.SaferDelete(OutputFileName);
var outputFile = File.Open(OutputFileName, FileMode.OpenOrCreate, FileAccess.ReadWrite);
AaxFile.ConversionProgressUpdate += AaxFile_ConversionProgressUpdate;
var decryptionResult
= OutputFormat == OutputFormat.M4b
? AaxFile.ConvertToMp4a(outputFile, DownloadLicense.ChapterInfo)
: AaxFile.ConvertToMp3(outputFile);
AaxFile.ConversionProgressUpdate -= AaxFile_ConversionProgressUpdate;
DownloadLicense.ChapterInfo = AaxFile.Chapters;
Step_DownloadAudiobook_End(zeroProgress);
var success = decryptionResult == ConversionResult.NoErrorsDetected && !IsCanceled;
if (success)
{
base.OnFileCreated(OutputFileName);
}
return(success);
}
private void ConvertToMultiMp4a(ChapterInfo splitChapters)
{
var chapterCount = 0;
AaxFile.ConvertToMultiMp4a(splitChapters, newSplitCallback =>
createOutputFileStream(++chapterCount, splitChapters, newSplitCallback)
);
}
private void ConvertToMultiMp3(ChapterInfo splitChapters)
{
var chapterCount = 0;
AaxFile.ConvertToMultiMp3(splitChapters, newSplitCallback =>
{
createOutputFileStream(++chapterCount, splitChapters, newSplitCallback);
newSplitCallback.LameConfig.ID3.Track = chapterCount.ToString();
});
}
protected bool Step_GetMetadata()
{
AaxFile = new AaxFile(InputFileStream);
OnRetrievedTitle(AaxFile.AppleTags.TitleSansUnabridged);
OnRetrievedAuthors(AaxFile.AppleTags.FirstAuthor ?? "[unknown]");
OnRetrievedNarrators(AaxFile.AppleTags.Narrator ?? "[unknown]");
OnRetrievedCoverArt(AaxFile.AppleTags.Cover);
return(!IsCanceled);
}