public QueuedChunk(IList <ISubfile> subfiles, uint id, ArchiveChunkCompression compression, int compressionLevel)
{
Subfiles = subfiles;
ID = id;
Compression = compression;
CompressionLevel = compressionLevel;
}
public void TestCompression()
{
if (trvFiles.SelectedNode != null)
{
IProgress <Tuple <string, int> > progress = new Progress <Tuple <string, int> >((x) =>
{
prgFileProgress.Value = x.Item2;
txtFileProg.AppendText(x.Item1);
});
ArchiveChunkCompression method = (ArchiveChunkCompression)cmbCompression.SelectedIndex;
if (trvFiles.SelectedNode.Tag == null)
{
//Is a PP file node
List <SubfileHolder> items = trvFiles.SelectedNode.Nodes
.Cast <TreeNode>()
.Select(x => x.Tag as SubfileHolder)
.ToList();
prgFileProgress.Value = 0;
int i = 0;
Task.Run(() =>
{
long ucb = 0;
long cb = 0;
foreach (var item in items)
{
ucb += (long)item.Size;
using (Stream data = item.Source.GetStream())
cb += PPeX.Utility.TestCompression(data, method);
progress.Report(new Tuple <string, int>(
"",
100 * i / items.Count));
}
string uncompressedSize = PPeX.Utility.GetBytesReadable(ucb);
string size = PPeX.Utility.GetBytesReadable(cb);
string ratio = ((double)cb / ucb).ToString("P2");
switch (method)
{
case ArchiveChunkCompression.Uncompressed:
progress.Report(new Tuple <string, int>("No compression: " + uncompressedSize + " => " + size + " (" + ratio + ")\n", 100));
break;
case ArchiveChunkCompression.LZ4:
progress.Report(new Tuple <string, int>("LZ4 compression: " + uncompressedSize + " => " + size + " (" + ratio + ")\n", 100));
break;
case ArchiveChunkCompression.Zstandard:
progress.Report(new Tuple <string, int>("Zstandard compression: " + uncompressedSize + " => " + size + " (" + ratio + ")\n", 100));
break;
}
});
}
else
{
//Is a PP subfile node
SubfileHolder sh = trvFiles.SelectedNode.Tag as SubfileHolder;
using (Stream stream = sh.Source.GetStream())
{
string uncompressedSize = PPeX.Utility.GetBytesReadable(stream.Length);
long bytes = PPeX.Utility.TestCompression(stream, method);
string size = PPeX.Utility.GetBytesReadable(bytes);
string ratio = ((double)bytes / stream.Length).ToString("P2");
switch (method)
{
case ArchiveChunkCompression.Uncompressed:
progress.Report(new Tuple <string, int>("No compression: " + uncompressedSize + " => " + size + " (" + ratio + ")\n", 100));
break;
case ArchiveChunkCompression.LZ4:
progress.Report(new Tuple <string, int>("LZ4 compression: " + uncompressedSize + " => " + size + " (" + ratio + ")\n", 100));
break;
case ArchiveChunkCompression.Zstandard:
progress.Report(new Tuple <string, int>("Zstandard compression: " + uncompressedSize + " => " + size + " (" + ratio + ")\n", 100));
break;
}
}
}
}
}
