void TestTitle()
{
int hr;
DvdParentalLevel pulTParentalLevels;
int pulNumOfChapters;
hr = m_idi2.GetNumberOfChapters(1, out pulNumOfChapters);
DsError.ThrowExceptionForHR(hr);
Debug.Assert(pulNumOfChapters == 2, "TestTitle");
hr = m_idi2.GetTitleParentalLevels(1, out pulTParentalLevels);
DsError.ThrowExceptionForHR(hr);
Debug.Assert(pulTParentalLevels ==
(DvdParentalLevel.Level1 | DvdParentalLevel.Level2 | DvdParentalLevel.Level3 |
DvdParentalLevel.Level4 | DvdParentalLevel.Level5 | DvdParentalLevel.Level6 |
DvdParentalLevel.Level7 | DvdParentalLevel.Level8),
"TestTitle2");
DvdDecoderCaps pCaps = new DvdDecoderCaps();
pCaps.dwSize = Marshal.SizeOf(pCaps);
hr = m_idi2.GetDecoderCaps(ref pCaps);
DsError.ThrowExceptionForHR(hr);
Debug.Assert(pCaps.dwAudioCaps ==
(DvdAudioCaps.AC3 | DvdAudioCaps.MPEG2 | DvdAudioCaps.DTS | DvdAudioCaps.SDDS),
"TestTitle3");
DvdMenuAttributes pMenu = new DvdMenuAttributes();
DvdTitleAttributes pTitle = new DvdTitleAttributes();
hr = m_idi2.GetTitleAttributes(1, out pMenu, pTitle);
DsError.ThrowExceptionForHR(hr);
Debug.Assert(pMenu.VideoAttributes.sourceResolutionX == 720, "TestDiskInfo4");
Debug.Assert(pTitle.ulNumberOfAudioStreams == 1, "TestTitle5");
}
// Called just after invoking the COM method. The IntPtr is the same one that just got returned
// from MarshalManagedToNative. The return value is unused.
override public object MarshalNativeToManaged(IntPtr pNativeData)
{
DvdTitleAttributes dta = m_obj as DvdTitleAttributes;
// Copy in the value, and advance the pointer
dta.AppMode = (DvdTitleAppMode)Marshal.ReadInt32(pNativeData);
pNativeData = (IntPtr)(pNativeData.ToInt64() + Marshal.SizeOf(typeof(int)));
// Copy in the value, and advance the pointer
dta.VideoAttributes = (DvdVideoAttributes)Marshal.PtrToStructure(pNativeData, typeof(DvdVideoAttributes));
pNativeData = (IntPtr)(pNativeData.ToInt64() + Marshal.SizeOf(typeof(DvdVideoAttributes)));
// Copy in the value, and advance the pointer
dta.ulNumberOfAudioStreams = Marshal.ReadInt32(pNativeData);
pNativeData = (IntPtr)(pNativeData.ToInt64() + Marshal.SizeOf(typeof(int)));
// Allocate a large enough array to hold all the returned structs.
dta.AudioAttributes = new DvdAudioAttributes[8];
for (int x = 0; x < 8; x++)
{
// Copy in the value, and advance the pointer
dta.AudioAttributes[x] = (DvdAudioAttributes)Marshal.PtrToStructure(pNativeData, typeof(DvdAudioAttributes));
pNativeData = (IntPtr)(pNativeData.ToInt64() + Marshal.SizeOf(typeof(DvdAudioAttributes)));
}
// Allocate a large enough array to hold all the returned structs.
dta.MultichannelAudioAttributes = new DvdMultichannelAudioAttributes[8];
for (int x = 0; x < 8; x++)
{
// MultichannelAudioAttributes has nested ByValArrays. They need to be individually copied.
dta.MultichannelAudioAttributes[x].Info = new DvdMUAMixingInfo[8];
for (int y = 0; y < 8; y++)
{
// Copy in the value, and advance the pointer
dta.MultichannelAudioAttributes[x].Info[y] = (DvdMUAMixingInfo)Marshal.PtrToStructure(pNativeData, typeof(DvdMUAMixingInfo));
pNativeData = (IntPtr)(pNativeData.ToInt64() + Marshal.SizeOf(typeof(DvdMUAMixingInfo)));
}
dta.MultichannelAudioAttributes[x].Coeff = new DvdMUACoeff[8];
for (int y = 0; y < 8; y++)
{
// Copy in the value, and advance the pointer
dta.MultichannelAudioAttributes[x].Coeff[y] = (DvdMUACoeff)Marshal.PtrToStructure(pNativeData, typeof(DvdMUACoeff));
pNativeData = (IntPtr)(pNativeData.ToInt64() + Marshal.SizeOf(typeof(DvdMUACoeff)));
}
}
// The DvdMultichannelAudioAttributes needs to be 16 byte aligned
pNativeData = (IntPtr)(pNativeData.ToInt64() + 4);
// Copy in the value, and advance the pointer
dta.ulNumberOfSubpictureStreams = Marshal.ReadInt32(pNativeData);
pNativeData = (IntPtr)(pNativeData.ToInt64() + Marshal.SizeOf(typeof(int)));
// Allocate a large enough array to hold all the returned structs.
dta.SubpictureAttributes = new DvdSubpictureAttributes[32];
for (int x = 0; x < 32; x++)
{
// Copy in the value, and advance the pointer
dta.SubpictureAttributes[x] = (DvdSubpictureAttributes)Marshal.PtrToStructure(pNativeData, typeof(DvdSubpictureAttributes));
pNativeData = (IntPtr)(pNativeData.ToInt64() + Marshal.SizeOf(typeof(DvdSubpictureAttributes)));
}
// Note that 4 bytes (more alignment) are unused at the end
return(null);
}
private void FetchDVDInformation_DS(string volumePath)
{
IDvdGraphBuilder dvdGraphBuilder =
Activator.CreateInstance(Type.GetTypeFromCLSID(Filters.DvdGraphBuilder, true))
as IDvdGraphBuilder;
AMDvdRenderStatus status;
dvdGraphBuilder.TryRenderDVD(volumePath, out status);
if (status.bDvdVolInvalid)
{
throw new COMException(ErrDvdVolume, -1);
}
object comobj = null;
dvdGraphBuilder.GetDvdInterface(typeof(IDvdInfo2).GUID, out comobj);
IDvdInfo2 dvdInfo = comobj as IDvdInfo2;
IDvdControl2 dvdControl = comobj as IDvdControl2;
dvdControl.SetOption(DvdOptionFlag.HMSFTimeCodeEvents, true); // use new HMSF timecode format
dvdControl.SetOption(DvdOptionFlag.ResetOnStop, false);
// Try getting the frame rate and the video size
dvdInfo.GetVMGAttributes(out _dma);
this.FrameRate = new FrameRate(_dma.VideoAttributes.frameRate);
this.VideoSize = new VSize(_dma.VideoAttributes.sourceResolutionX, _dma.VideoAttributes.sourceResolutionY);
// Try getting the DVD volume name.
// Stage 1: Get the number of available languages.
int numLangs = 0;
dvdInfo.GetDVDTextNumberOfLanguages(out numLangs);
if (numLangs > 0)
{
// Stage 2: Get string count for the first language.
int numStrings = 0;
int langId = 0;
DvdTextCharSet charSet = DvdTextCharSet.CharSet_Unicode;
dvdInfo.GetDVDTextLanguageInfo(0, out numStrings, out langId, out charSet);
// Stage 3: Iterate through the string collection and identify the volume name
for (int i = 0; i < numStrings; i++)
{
int maxSize = 4096;
StringBuilder sb = new StringBuilder(maxSize);
int txtSize = 0;
DvdTextStringType textType;
dvdInfo.GetDVDTextStringAsUnicode(0, i, sb, maxSize, out txtSize, out textType);
// Is this the volume name ?
if (textType == DvdTextStringType.DVD_General_Name)
{
// Volume name was found, so exit iteration.
_label = sb.ToString();
break;
}
}
}
// Try getting the titles, chapters and overall duration info
int numVolumes = 0, volumeNumber = 0, numTitles = 0;
DvdDiscSide sideInfo;
dvdInfo.GetDVDVolumeInfo(out numVolumes, out volumeNumber, out sideInfo, out numTitles);
for (int i = 1; i <= numTitles; i++)
{
int numChapters = 0;
try
{
DvdMenuAttributes menuAttr;
DvdTitleAttributes titleAttr = new DvdTitleAttributes();
if (i == 1)
{
dvdInfo.GetTitleAttributes(i, out menuAttr, titleAttr);
for (int j = 0; j < titleAttr.ulNumberOfSubpictureStreams; j++)
{
_subtitles.Add(titleAttr.SubpictureAttributes[j]);
}
}
dvdInfo.GetNumberOfChapters(i, out numChapters);
_chaptersPerTitle.Add(numChapters);
}
catch { }
}
}
