private static extern bool ifoGetPGCICells(int v_IFO_handle, int v_Ptr, ref t_vs_vobcellid v_cells);
public TimeSpan Duration()
{
TitleTime tt = new TitleTime();
TimeSpan duration = TimeSpan.Zero;
List <SimpleCell> SortedCells = new List <SimpleCell>();
int pgc_num = ifoGetNumPGCI(Handle);
for (int i = 0; i < pgc_num; i++)
{
int num_cells = ifoGetPGCIInfo(Handle, i, ref tt);
IntPtr ptr_cells = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(t_vs_vobcellid)) * num_cells);
if (ptr_cells != IntPtr.Zero)
{
try
{
if (ifoGetPGCICells(Handle, i, ptr_cells))
{
IntPtr ptr_cell = ptr_cells;
for (int k = 0; k < num_cells; k++)
{
t_vs_vobcellid cell = (t_vs_vobcellid)Marshal.PtrToStructure(ptr_cell, typeof(t_vs_vobcellid));
ptr_cell = new IntPtr(ptr_cell.ToInt64() + Marshal.SizeOf(typeof(t_vs_vobcellid))); //ptr += offset
//Сохраняем инфу от cell, если у нас такой еще нет (берутся только start\end_lba и time)
SimpleCell obj = new SimpleCell()
{
start = cell.start_lba, end = cell.end_lba, time = cell.time
};
if (!SortedCells.Contains(obj))
{
SortedCells.Add(obj);
}
}
}
}
finally
{
Marshal.FreeHGlobal(ptr_cells);
}
}
}
foreach (SimpleCell cell in SortedCells)
{
#region frames bits
/*
* 1 0 0 1 0 0 1 0 (73)
* 1 0 0 1 0 0 0 0 (9, & 0x3f) 25fps
* 0 0 0 0 0 0 1 0 (64, & ~0x3f) 25fps
*
* 0 1 0 1 0 0 0 0 (10, & 0x3f) 29fps
* 0 0 0 0 0 0 1 1 (192, & ~0x3f) 29fps
*/
#endregion
duration += TimeSpan.FromHours(cell.time.hours) +
TimeSpan.FromMinutes(cell.time.minutes) +
TimeSpan.FromSeconds(cell.time.seconds) +
TimeSpan.FromMilliseconds((cell.time.frames & 0x3f) * //Перевод кадров в ms
(((cell.time.frames & (1 << 7)) != 0) ? 1000.0 / (30000.0 / 1001.0) : 40.0));
}
return(duration);
}
