jellyfin-server/BDInfo/BDROM.cs
2013-02-20 20:33:05 -05:00

483 lines
16 KiB
C#

//============================================================================
// 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;
using System.Runtime.InteropServices;
using System.Text;
namespace BDInfo
{
public class BDROM
{
public DirectoryInfo DirectoryRoot = null;
public DirectoryInfo DirectoryBDMV = null;
public DirectoryInfo DirectoryBDJO = null;
public DirectoryInfo DirectoryCLIPINF = null;
public DirectoryInfo DirectoryPLAYLIST = null;
public DirectoryInfo DirectorySNP = null;
public DirectoryInfo DirectorySSIF = null;
public DirectoryInfo 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;
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>();
private static List<string> ExcludeDirs = new List<string> { "ANY!", "AACS", "BDSVM", "ANYVM", "SLYVM" };
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)
{
//
// Locate BDMV directories.
//
DirectoryBDMV =
GetDirectoryBDMV(path);
if (DirectoryBDMV == null)
{
throw new Exception("Unable to locate BD structure.");
}
DirectoryRoot =
DirectoryBDMV.Parent;
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;
}
if (DirectoryBDJO != null &&
DirectoryBDJO.GetFiles().Length > 0)
{
IsBDJava = true;
}
if (DirectorySNP != null &&
(DirectorySNP.GetFiles("*.mnv").Length > 0 || DirectorySNP.GetFiles("*.MNV").Length > 0))
{
IsPSP = true;
}
if (DirectorySSIF != null &&
DirectorySSIF.GetFiles().Length > 0)
{
Is3D = true;
}
if (File.Exists(Path.Combine(DirectoryRoot.FullName, "FilmIndex.xml")))
{
IsDBOX = true;
}
//
// Initialize file lists.
//
if (DirectoryPLAYLIST != null)
{
FileInfo[] files = DirectoryPLAYLIST.GetFiles("*.mpls");
if (files.Length == 0)
{
files = DirectoryPLAYLIST.GetFiles("*.MPLS");
}
foreach (FileInfo file in files)
{
PlaylistFiles.Add(
file.Name.ToUpper(), new TSPlaylistFile(this, file));
}
}
if (DirectorySTREAM != null)
{
FileInfo[] files = DirectorySTREAM.GetFiles("*.m2ts");
if (files.Length == 0)
{
files = DirectoryPLAYLIST.GetFiles("*.M2TS");
}
foreach (FileInfo file in files)
{
StreamFiles.Add(
file.Name.ToUpper(), new TSStreamFile(file));
}
}
if (DirectoryCLIPINF != null)
{
FileInfo[] files = DirectoryCLIPINF.GetFiles("*.clpi");
if (files.Length == 0)
{
files = DirectoryPLAYLIST.GetFiles("*.CLPI");
}
foreach (FileInfo file in files)
{
StreamClipFiles.Add(
file.Name.ToUpper(), new TSStreamClipFile(file));
}
}
if (DirectorySSIF != null)
{
FileInfo[] files = DirectorySSIF.GetFiles("*.ssif");
if (files.Length == 0)
{
files = DirectorySSIF.GetFiles("*.SSIF");
}
foreach (FileInfo file in files)
{
InterleavedFiles.Add(
file.Name.ToUpper(), new TSInterleavedFile(file));
}
}
}
public void Scan()
{
List<TSStreamClipFile> errorStreamClipFiles = new List<TSStreamClipFile>();
foreach (TSStreamClipFile 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 ex;
}
}
foreach (TSStreamFile 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);
List<TSPlaylistFile> errorPlaylistFiles = new List<TSPlaylistFile>();
foreach (TSPlaylistFile 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 ex;
}
}
List<TSStreamFile> errorStreamFiles = new List<TSStreamFile>();
foreach (TSStreamFile streamFile in streamFiles)
{
try
{
List<TSPlaylistFile> playlists = new List<TSPlaylistFile>();
foreach (TSPlaylistFile playlist in PlaylistFiles.Values)
{
foreach (TSStreamClip 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 ex;
}
}
foreach (TSPlaylistFile playlistFile in PlaylistFiles.Values)
{
playlistFile.Initialize();
if (!Is50Hz)
{
foreach (TSVideoStream videoStream in playlistFile.VideoStreams)
{
if (videoStream.FrameRate == TSFrameRate.FRAMERATE_25 ||
videoStream.FrameRate == TSFrameRate.FRAMERATE_50)
{
Is50Hz = true;
}
}
}
}
}
private DirectoryInfo GetDirectoryBDMV(
string path)
{
DirectoryInfo dir = new DirectoryInfo(path);
while (dir != null)
{
if (dir.Name == "BDMV")
{
return dir;
}
dir = dir.Parent;
}
return GetDirectory("BDMV", new DirectoryInfo(path), 0);
}
private DirectoryInfo GetDirectory(
string name,
DirectoryInfo dir,
int searchDepth)
{
if (dir != null)
{
DirectoryInfo[] children = dir.GetDirectories();
foreach (DirectoryInfo child in children)
{
if (child.Name == name)
{
return child;
}
}
if (searchDepth > 0)
{
foreach (DirectoryInfo child in children)
{
GetDirectory(
name, child, searchDepth - 1);
}
}
}
return null;
}
private long GetDirectorySize(DirectoryInfo directoryInfo)
{
long size = 0;
//if (!ExcludeDirs.Contains(directoryInfo.Name.ToUpper())) // TODO: Keep?
{
FileInfo[] pathFiles = directoryInfo.GetFiles();
foreach (FileInfo pathFile in pathFiles)
{
if (pathFile.Extension.ToUpper() == ".SSIF")
{
continue;
}
size += pathFile.Length;
}
DirectoryInfo[] pathChildren = directoryInfo.GetDirectories();
foreach (DirectoryInfo pathChild in pathChildren)
{
size += GetDirectorySize(pathChild);
}
}
return size;
}
private string GetVolumeLabel(DirectoryInfo dir)
{
uint serialNumber = 0;
uint maxLength = 0;
uint volumeFlags = new uint();
StringBuilder volumeLabel = new StringBuilder(256);
StringBuilder fileSystemName = new StringBuilder(256);
string label = "";
try
{
long result = GetVolumeInformation(
dir.Name,
volumeLabel,
(uint)volumeLabel.Capacity,
ref serialNumber,
ref maxLength,
ref volumeFlags,
fileSystemName,
(uint)fileSystemName.Capacity);
label = volumeLabel.ToString();
}
catch { }
if (label.Length == 0)
{
label = dir.Name;
}
return label;
}
public static 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;
}
}
}
[DllImport("kernel32.dll")]
private static extern long GetVolumeInformation(
string PathName,
StringBuilder VolumeNameBuffer,
uint VolumeNameSize,
ref uint VolumeSerialNumber,
ref uint MaximumComponentLength,
ref uint FileSystemFlags,
StringBuilder FileSystemNameBuffer,
uint FileSystemNameSize);
}
}