459 lines
15 KiB
C#
459 lines
15 KiB
C#
//============================================================================
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// BDInfo - Blu-ray Video and Audio Analysis Tool
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// Copyright © 2010 Cinema Squid
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//=============================================================================
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.Text;
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namespace BDInfo
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{
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public class BDROM
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{
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public FileSystemMetadata DirectoryRoot = null;
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public FileSystemMetadata DirectoryBDMV = null;
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public FileSystemMetadata DirectoryBDJO = null;
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public FileSystemMetadata DirectoryCLIPINF = null;
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public FileSystemMetadata DirectoryPLAYLIST = null;
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public FileSystemMetadata DirectorySNP = null;
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public FileSystemMetadata DirectorySSIF = null;
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public FileSystemMetadata DirectorySTREAM = null;
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public string VolumeLabel = null;
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public ulong Size = 0;
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public bool IsBDPlus = false;
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public bool IsBDJava = false;
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public bool IsDBOX = false;
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public bool IsPSP = false;
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public bool Is3D = false;
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public bool Is50Hz = false;
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private readonly IFileSystem _fileSystem;
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public Dictionary<string, TSPlaylistFile> PlaylistFiles =
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new Dictionary<string, TSPlaylistFile>();
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public Dictionary<string, TSStreamClipFile> StreamClipFiles =
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new Dictionary<string, TSStreamClipFile>();
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public Dictionary<string, TSStreamFile> StreamFiles =
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new Dictionary<string, TSStreamFile>();
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public Dictionary<string, TSInterleavedFile> InterleavedFiles =
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new Dictionary<string, TSInterleavedFile>();
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public delegate bool OnStreamClipFileScanError(
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TSStreamClipFile streamClipFile, Exception ex);
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public event OnStreamClipFileScanError StreamClipFileScanError;
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public delegate bool OnStreamFileScanError(
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TSStreamFile streamClipFile, Exception ex);
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public event OnStreamFileScanError StreamFileScanError;
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public delegate bool OnPlaylistFileScanError(
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TSPlaylistFile playlistFile, Exception ex);
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public event OnPlaylistFileScanError PlaylistFileScanError;
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public BDROM(
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string path, IFileSystem fileSystem, ITextEncoding textEncoding)
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{
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if (string.IsNullOrEmpty(path))
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{
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throw new ArgumentNullException(nameof(path));
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}
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_fileSystem = fileSystem;
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//
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// Locate BDMV directories.
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//
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DirectoryBDMV =
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GetDirectoryBDMV(path);
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if (DirectoryBDMV == null)
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{
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throw new Exception("Unable to locate BD structure.");
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}
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DirectoryRoot =
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_fileSystem.GetDirectoryInfo(_fileSystem.GetDirectoryName(DirectoryBDMV.FullName));
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DirectoryBDJO =
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GetDirectory("BDJO", DirectoryBDMV, 0);
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DirectoryCLIPINF =
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GetDirectory("CLIPINF", DirectoryBDMV, 0);
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DirectoryPLAYLIST =
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GetDirectory("PLAYLIST", DirectoryBDMV, 0);
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DirectorySNP =
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GetDirectory("SNP", DirectoryRoot, 0);
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DirectorySTREAM =
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GetDirectory("STREAM", DirectoryBDMV, 0);
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DirectorySSIF =
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GetDirectory("SSIF", DirectorySTREAM, 0);
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if (DirectoryCLIPINF == null
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|| DirectoryPLAYLIST == null)
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{
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throw new Exception("Unable to locate BD structure.");
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}
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//
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// Initialize basic disc properties.
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//
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VolumeLabel = GetVolumeLabel(DirectoryRoot);
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Size = (ulong)GetDirectorySize(DirectoryRoot);
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if (null != GetDirectory("BDSVM", DirectoryRoot, 0))
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{
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IsBDPlus = true;
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}
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if (null != GetDirectory("SLYVM", DirectoryRoot, 0))
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{
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IsBDPlus = true;
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}
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if (null != GetDirectory("ANYVM", DirectoryRoot, 0))
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{
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IsBDPlus = true;
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}
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if (DirectoryBDJO != null &&
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_fileSystem.GetFilePaths(DirectoryBDJO.FullName).Any())
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{
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IsBDJava = true;
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}
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if (DirectorySNP != null &&
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GetFilePaths(DirectorySNP.FullName, ".mnv").Any())
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{
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IsPSP = true;
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}
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if (DirectorySSIF != null &&
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_fileSystem.GetFilePaths(DirectorySSIF.FullName).Any())
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{
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Is3D = true;
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}
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if (_fileSystem.FileExists(Path.Combine(DirectoryRoot.FullName, "FilmIndex.xml")))
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{
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IsDBOX = true;
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}
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//
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// Initialize file lists.
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//
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if (DirectoryPLAYLIST != null)
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{
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FileSystemMetadata[] files = GetFiles(DirectoryPLAYLIST.FullName, ".mpls").ToArray();
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foreach (var file in files)
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{
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PlaylistFiles.Add(
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file.Name.ToUpper(), new TSPlaylistFile(this, file, _fileSystem, textEncoding));
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}
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}
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if (DirectorySTREAM != null)
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{
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FileSystemMetadata[] files = GetFiles(DirectorySTREAM.FullName, ".m2ts").ToArray();
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foreach (var file in files)
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{
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StreamFiles.Add(
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file.Name.ToUpper(), new TSStreamFile(file, _fileSystem));
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}
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}
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if (DirectoryCLIPINF != null)
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{
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FileSystemMetadata[] files = GetFiles(DirectoryCLIPINF.FullName, ".clpi").ToArray();
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foreach (var file in files)
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{
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StreamClipFiles.Add(
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file.Name.ToUpper(), new TSStreamClipFile(file, _fileSystem, textEncoding));
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}
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}
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if (DirectorySSIF != null)
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{
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FileSystemMetadata[] files = GetFiles(DirectorySSIF.FullName, ".ssif").ToArray();
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foreach (var file in files)
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{
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InterleavedFiles.Add(
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file.Name.ToUpper(), new TSInterleavedFile(file));
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}
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}
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}
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private IEnumerable<FileSystemMetadata> GetFiles(string path, string extension)
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{
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return _fileSystem.GetFiles(path, new[] { extension }, false, false);
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}
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private IEnumerable<string> GetFilePaths(string path, string extension)
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{
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return _fileSystem.GetFilePaths(path, new[] { extension }, false, false);
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}
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public void Scan()
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{
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var errorStreamClipFiles = new List<TSStreamClipFile>();
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foreach (var streamClipFile in StreamClipFiles.Values)
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{
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try
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{
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streamClipFile.Scan();
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}
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catch (Exception ex)
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{
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errorStreamClipFiles.Add(streamClipFile);
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if (StreamClipFileScanError != null)
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{
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if (StreamClipFileScanError(streamClipFile, ex))
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{
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continue;
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}
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else
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{
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break;
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}
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}
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else throw;
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}
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}
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foreach (var streamFile in StreamFiles.Values)
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{
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string ssifName = Path.GetFileNameWithoutExtension(streamFile.Name) + ".SSIF";
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if (InterleavedFiles.ContainsKey(ssifName))
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{
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streamFile.InterleavedFile = InterleavedFiles[ssifName];
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}
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}
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TSStreamFile[] streamFiles = new TSStreamFile[StreamFiles.Count];
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StreamFiles.Values.CopyTo(streamFiles, 0);
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Array.Sort(streamFiles, CompareStreamFiles);
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var errorPlaylistFiles = new List<TSPlaylistFile>();
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foreach (var playlistFile in PlaylistFiles.Values)
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{
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try
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{
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playlistFile.Scan(StreamFiles, StreamClipFiles);
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}
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catch (Exception ex)
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{
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errorPlaylistFiles.Add(playlistFile);
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if (PlaylistFileScanError != null)
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{
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if (PlaylistFileScanError(playlistFile, ex))
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{
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continue;
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}
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else
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{
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break;
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}
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}
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else throw;
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}
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}
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var errorStreamFiles = new List<TSStreamFile>();
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foreach (var streamFile in streamFiles)
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{
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try
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{
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var playlists = new List<TSPlaylistFile>();
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foreach (var playlist in PlaylistFiles.Values)
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{
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foreach (var streamClip in playlist.StreamClips)
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{
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if (streamClip.Name == streamFile.Name)
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{
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playlists.Add(playlist);
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break;
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}
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}
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}
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streamFile.Scan(playlists, false);
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}
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catch (Exception ex)
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{
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errorStreamFiles.Add(streamFile);
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if (StreamFileScanError != null)
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{
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if (StreamFileScanError(streamFile, ex))
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{
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continue;
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}
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else
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{
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break;
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}
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}
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else throw;
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}
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}
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foreach (var playlistFile in PlaylistFiles.Values)
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{
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playlistFile.Initialize();
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if (!Is50Hz)
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{
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foreach (var videoStream in playlistFile.VideoStreams)
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{
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if (videoStream.FrameRate == TSFrameRate.FRAMERATE_25 ||
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videoStream.FrameRate == TSFrameRate.FRAMERATE_50)
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{
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Is50Hz = true;
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}
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}
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}
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}
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}
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private FileSystemMetadata GetDirectoryBDMV(
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string path)
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{
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if (string.IsNullOrEmpty(path))
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{
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throw new ArgumentNullException(nameof(path));
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}
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FileSystemMetadata dir = _fileSystem.GetDirectoryInfo(path);
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while (dir != null)
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{
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if (string.Equals(dir.Name, "BDMV", StringComparison.OrdinalIgnoreCase))
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{
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return dir;
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}
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var parentFolder = _fileSystem.GetDirectoryName(dir.FullName);
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if (string.IsNullOrEmpty(parentFolder))
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{
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dir = null;
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}
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else
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{
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dir = _fileSystem.GetDirectoryInfo(parentFolder);
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}
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}
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return GetDirectory("BDMV", _fileSystem.GetDirectoryInfo(path), 0);
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}
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private FileSystemMetadata GetDirectory(
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string name,
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FileSystemMetadata dir,
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int searchDepth)
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{
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if (dir != null)
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{
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FileSystemMetadata[] children = _fileSystem.GetDirectories(dir.FullName).ToArray();
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foreach (var child in children)
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{
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if (string.Equals(child.Name, name, StringComparison.OrdinalIgnoreCase))
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{
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return child;
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}
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}
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if (searchDepth > 0)
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{
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foreach (var child in children)
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{
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GetDirectory(
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name, child, searchDepth - 1);
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}
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}
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}
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return null;
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}
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private long GetDirectorySize(FileSystemMetadata directoryInfo)
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{
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long size = 0;
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//if (!ExcludeDirs.Contains(directoryInfo.Name.ToUpper())) // TODO: Keep?
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{
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FileSystemMetadata[] pathFiles = _fileSystem.GetFiles(directoryInfo.FullName).ToArray();
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foreach (var pathFile in pathFiles)
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{
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if (pathFile.Extension.ToUpper() == ".SSIF")
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{
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continue;
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}
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size += pathFile.Length;
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}
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FileSystemMetadata[] pathChildren = _fileSystem.GetDirectories(directoryInfo.FullName).ToArray();
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foreach (var pathChild in pathChildren)
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{
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size += GetDirectorySize(pathChild);
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}
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}
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return size;
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}
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private string GetVolumeLabel(FileSystemMetadata dir)
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{
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return dir.Name;
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}
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public int CompareStreamFiles(
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TSStreamFile x,
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TSStreamFile y)
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{
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// TODO: Use interleaved file sizes
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if ((x == null || x.FileInfo == null) && (y == null || y.FileInfo == null))
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{
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return 0;
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}
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else if ((x == null || x.FileInfo == null) && (y != null && y.FileInfo != null))
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{
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return 1;
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}
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else if ((x != null || x.FileInfo != null) && (y == null || y.FileInfo == null))
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{
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return -1;
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}
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else
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{
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if (x.FileInfo.Length > y.FileInfo.Length)
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{
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return 1;
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}
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else if (y.FileInfo.Length > x.FileInfo.Length)
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{
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return -1;
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}
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else
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{
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return 0;
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}
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}
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}
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}
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}
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