public static Stream DecodeLz4(Stream stream)
{
var decoderStream = LZ4Stream.Decode(stream);
var total = decoderStream.Length;
return(TempFileStream.CreateFrom(decoderStream, done => ReportProgress(done, total)));
}
public TarEntryViewModel(TarFileInfo parent, TarArchiveEntry e)
{
this.parent = parent;
Name = e.Key;
getStream = new Lazy <Stream>(delegate
{
using (var srcStream = e.OpenEntryStream())
{
if (Name.EndsWith(".img.lz4"))
{
return(Lz4FileInfo.DecodeLz4(srcStream));
}
return(TempFileStream.CreateFrom(srcStream, done => FileInfoBase.ReportProgress(done, e.Size)));
}
});
}
public ZipEntryViewModel(ZipFileInfo parent, ZipArchiveEntry e)
{
this.parent = parent;
totalSize = e.Size;
Name = e.Key;
getStream = new Lazy <Stream>(delegate
{
var transferList = parent.GetTransferList();
using (var srcStream = e.OpenEntryStream())
{
if (Name.EndsWith(".new.dat"))
{
return(new BlockImgStream(srcStream, transferList));
}
if (Name.EndsWith(".new.dat.br"))
{
return(new BlockImgStream(
new BrotliStream(srcStream, CompressionMode.Decompress), transferList));
}
return(TempFileStream.CreateFrom(srcStream, done => FileInfoBase.ReportProgress(done, totalSize)));
}
});
}
