public override List <ChapterInfo> GetStreams(string location, int numtitle)
{
string path = Path.Combine(location, "VIDEO_TS");
if (!Directory.Exists(path))
{
throw new FileNotFoundException("The VIDEO_TS folder was not found on the DVD.");
}
List <ChapterInfo> streams = new List <ChapterInfo>();
Ifo2Extractor ex = new Ifo2Extractor();
ex.StreamDetected += (sender, args) => OnStreamDetected(args.ProgramChain);
ex.ChaptersLoaded += (sender, args) => OnChaptersLoaded(args.ProgramChain);
string videoIFO = Path.Combine(path, "VIDEO_TS.IFO");
if (File.Exists(videoIFO))
{
byte[] bytRead = new byte[4];
long VMG_PTT_STPT_Position = IfoUtil.ToFilePosition(IfoUtil.GetFileBlock(videoIFO, 0xC4, 4));
int titlePlayMaps = IfoUtil.ToInt16(IfoUtil.GetFileBlock(videoIFO, VMG_PTT_STPT_Position, 2));
//string longestIfo = GetLongestIFO(videoTSDir);
for (int currentTitle = 1; currentTitle <= titlePlayMaps; ++currentTitle)
{
long titleInfoStart = 8 + ((currentTitle - 1) * 12);
int titleSetNumber = IfoUtil.GetFileBlock(videoIFO, (VMG_PTT_STPT_Position + titleInfoStart) + 6L, 1)[0];
int titleSetTitleNumber = IfoUtil.GetFileBlock(videoIFO, (VMG_PTT_STPT_Position + titleInfoStart) + 7L, 1)[0];
string vtsIFO = Path.Combine(path, string.Format("VTS_{0:D2}_0.IFO", titleSetNumber));
if (!File.Exists(vtsIFO))
{
Trace.WriteLine(string.Format("VTS IFO file missing: {0}", Path.GetFileName(vtsIFO)));
continue;
}
ChapterInfo c1 = ex.GetStreams(vtsIFO, titleSetTitleNumber)[0];
c1.TitleID = currentTitle;
streams.Add(c1);
}
}
else
{
Trace.WriteLine("VIDEO_TS.IFO file is missing missing on the DVD.");
//read all the ifo files
foreach (string file in Directory.GetFiles(path, "VTS_*_0.IFO"))
{
ChapterInfo pgc = ex.GetStreams(file, 1)[0];
pgc.SourceName = Path.GetFileNameWithoutExtension(file);
streams.Add(pgc);
}
}
// streams = streams.OrderByDescending(p => p.Duration).ToList();
OnExtractionComplete();
return(streams);
}
List <ChapterEntry> GetChapters(string ifoFile, int programChain, out TimeSpan duration, out double fps)
{
List <ChapterEntry> chapters = new List <ChapterEntry>();
duration = TimeSpan.Zero;
fps = 0;
TimeSpan oldTime = TimeSpan.Zero;
long pcgITPosition = IfoUtil.GetPCGIP_Position(ifoFile);
int programChainPrograms = -1;
TimeSpan programTime = TimeSpan.Zero;
if (programChain >= 0)
{
double FPS;
uint chainOffset = IfoUtil.GetChainOffset(ifoFile, pcgITPosition, programChain);
programTime = IfoUtil.ReadTimeSpan(ifoFile, pcgITPosition, chainOffset, out FPS) ?? TimeSpan.Zero;
programChainPrograms = IfoUtil.GetNumberOfPrograms(ifoFile, pcgITPosition, chainOffset);
}
else
{
int programChains = IfoUtil.GetProgramChains(ifoFile, pcgITPosition);
for (int curChain = 1; curChain <= programChains; curChain++)
{
double FPS;
uint chainOffset = IfoUtil.GetChainOffset(ifoFile, pcgITPosition, curChain);
TimeSpan?time = IfoUtil.ReadTimeSpan(ifoFile, pcgITPosition, chainOffset, out FPS);
if (time == null)
{
break;
}
if (time.Value > programTime)
{
programChain = curChain;
programChainPrograms = IfoUtil.GetNumberOfPrograms(ifoFile, pcgITPosition, chainOffset);
programTime = time.Value;
}
}
}
if (programChain < 0)
{
return(null);
}
// chapters.Add(new ChapterEntry() { Name = "Chapter 1" });
uint longestChainOffset = IfoUtil.GetChainOffset(ifoFile, pcgITPosition, programChain);
int programMapOffset = IfoUtil.ToInt16(IfoUtil.GetFileBlock(ifoFile, (pcgITPosition + longestChainOffset) + 230, 2));
int cellTableOffset = IfoUtil.ToInt16(IfoUtil.GetFileBlock(ifoFile, (pcgITPosition + longestChainOffset) + 0xE8, 2));
for (int currentProgram = 0; currentProgram < programChainPrograms; ++currentProgram)
{
int entryCell = IfoUtil.GetFileBlock(ifoFile, ((pcgITPosition + longestChainOffset) + programMapOffset) + currentProgram, 1)[0];
int exitCell = entryCell;
if (currentProgram < (programChainPrograms - 1))
{
exitCell = IfoUtil.GetFileBlock(ifoFile, ((pcgITPosition + longestChainOffset) + programMapOffset) + (currentProgram + 1), 1)[0] - 1;
}
TimeSpan totalTime = TimeSpan.Zero;
for (int currentCell = entryCell; currentCell <= exitCell; currentCell++)
{
int cellStart = cellTableOffset + ((currentCell - 1) * 0x18);
byte[] bytes = IfoUtil.GetFileBlock(ifoFile, (pcgITPosition + longestChainOffset) + cellStart, 4);
int cellType = bytes[0] >> 6;
if (cellType == 0x00 || cellType == 0x01)
{
bytes = IfoUtil.GetFileBlock(ifoFile, ((pcgITPosition + longestChainOffset) + cellStart) + 4, 4);
TimeSpan time = IfoUtil.ReadTimeSpan(bytes, out fps) ?? TimeSpan.Zero;
totalTime += time;
}
}
//add a constant amount of time for each chapter?
//totalTime += TimeSpan.FromMilliseconds(fps != 0 ? (double)1000 / fps / 8D : 0);
duration += totalTime;
if (currentProgram < programChainPrograms)
{
chapters.Add(new ChapterEntry()
{
Name = string.Format("Chapter {0}", currentProgram + 1), OffsetTime = oldTime, Time = totalTime, chId = currentProgram + 1
});
}
oldTime = duration;
}
return(chapters);
}
