public static DVDDiskInfo ParseDVD(string videoTSDir)
{
return(videoTSDir != null && Directory.Exists(videoTSDir)
? new DVDDiskInfo()
{
Titles = IFOUtilities.Titles(videoTSDir).ToArray()
}
: null);
}
public static List <DVDTitle> Titles(string videoTSDir)
{
List <DVDTitle> ret = new List <DVDTitle>();
string videoIFO = Path.Combine(videoTSDir, "VIDEO_TS.IFO");
if (File.Exists(videoIFO))
{
byte[] bytRead = new byte[4];
long VMG_PTT_STPT_Position = ToFilePosition(GetFileBlock(videoIFO, 0xC4, 4));
int titlePlayMaps = ToInt16(GetFileBlock(videoIFO, VMG_PTT_STPT_Position, 2));
string longestIfo = GetLongestIFO(videoTSDir);
for (int currentTitle = 1; currentTitle <= titlePlayMaps; ++currentTitle)
{
DVDTitle title = new DVDTitle()
{
TitleNumber = currentTitle
};
long titleInfoStart = 8 + ((currentTitle - 1) * 12);
int titleSetNumber = GetFileBlock(videoIFO, (VMG_PTT_STPT_Position + titleInfoStart) + 6L, 1)[0];
int titleSetTitleNumber = IFOUtilities.GetFileBlock(videoIFO, (VMG_PTT_STPT_Position + titleInfoStart) + 7L, 1)[0];
string vtsIFO = Path.Combine(videoTSDir, string.Format("VTS_{0:D2}_0.IFO", titleSetNumber));
if (File.Exists(vtsIFO) == false)
{
Trace.WriteLine(string.Format("IFOUtils.Titles: VTS IFO file missing: {0}", Path.GetFileName(vtsIFO)));
continue;
}
byte[] b = IFOUtilities.GetFileBlock(vtsIFO, 0x200, 2);
VideoValues video = VideoValues.ReadVideoSpecs(b[0], b[1]);
title.Main = Path.GetFileName(longestIfo) == Path.GetFileName(vtsIFO);
title.File = "vts " + titleSetNumber;
title.AspectRatio = video.AspectRatio;
title.Resolution = video.Resolution;
title.Chapters = Chapters(vtsIFO, titleSetTitleNumber);
title.AudioTracks = AudioTracks(vtsIFO);
title.Subtitles = SubTitleTracks(vtsIFO);
title.Duration = DVDTitle.GetTotalTimeSpan(title.Chapters);
//if (title.Duration.TotalSeconds > 10)
ret.Add(title);
//else
// Trace.WriteLine(string.Format("IFOUtils.Titles: Duration < 10s, ignoring: {0}", Path.GetFileName(vtsIFO)));
}
}
else
{
Trace.WriteLine(string.Format("IFOUtilities.Titles: Cannot analyze DVD, file {0} not found", videoIFO));
}
return(ret);
}
internal static List <DVDAudioTrack> AudioTracks(string ifoFile)
{
List <DVDAudioTrack> ret = new List <DVDAudioTrack>();
int audioStreams = IFOUtilities.GetFileBlock(ifoFile, 0x203, 1)[0];
for (int currentAudioStream = 1; currentAudioStream <= audioStreams; currentAudioStream++)
{
byte[] bytes = IFOUtilities.GetFileBlock(ifoFile, (long)(0x204 + (8 * (currentAudioStream - 1))), 8);
AudioValues audioValues = AudioValues.ReadAudioSpecs(bytes[0], bytes[1], bytes[5]);
string languageCode = "";
if (audioValues.LanguageTypePresent)
{
languageCode = "" + (char)bytes[2] + (char)bytes[3];
}
// audio channel
// - MPEG: 0-31
// - VOB(AC3): 128-159
// - VOB(LPCM): 160-191
int id = currentAudioStream - 1;
if (audioValues.Encoding == AudioEncoding.AC3)
{
id = 127 + currentAudioStream;
}
else if (audioValues.Encoding == AudioEncoding.DTS)
{
id = 135 + currentAudioStream;
}
else if (audioValues.Encoding == AudioEncoding.LPCM)
{
id = 159 + currentAudioStream;
}
ret.Add(new DVDAudioTrack()
{
Frequency = audioValues.SampleRate * 1000,
LanguageID = languageCode,
TrackNumber = currentAudioStream,
ID = id,
Channels = audioValues.Channels,
Format = audioValues.Encoding,
Extension = audioValues.Extension,
// Bitrate = ,
});
}
return(ret);
}
internal static List <DVDSubtitle> SubTitleTracks(string ifoFile)
{
List <DVDSubtitle> ret = new List <DVDSubtitle>();
int subPictureStreams = IFOUtilities.GetFileBlock(ifoFile, 0x255, 1)[0];
for (int currentSubPictureStream = 1; currentSubPictureStream <= subPictureStreams; currentSubPictureStream++)
{
byte[] bytes = IFOUtilities.GetFileBlock(ifoFile, (long)(0x256 + (6 * (currentSubPictureStream - 1))), 6);
if (bytes[2] == 0 || bytes[3] == 0)
{
continue;
}
string languageCode = "" + (char)bytes[2] + (char)bytes[3];
ret.Add(new DVDSubtitle()
{
LanguageID = languageCode,
TrackNumber = currentSubPictureStream
});
}
return(ret);
}
