jellyfin/BDInfo/BDROM.cs

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