__int64 CBaseSplitterFilter::SeekBD(REFERENCE_TIME rt)
{
if (m_Items.GetCount()) {
POSITION pos = m_Items.GetHeadPosition();
while (pos) {
CHdmvClipInfo::PlaylistItem* Item = m_Items.GetNext(pos);
if (rt >= Item->m_rtStartTime && rt <= (Item->m_rtStartTime + Item->Duration())) {
REFERENCE_TIME _rt = rt - Item->m_rtStartTime + Item->m_rtIn;
for (size_t idx = 0; idx < Item->m_sps.GetCount() - 1; idx++) {
if (_rt < Item->m_sps[idx].rt) {
if (idx > 0) {
idx--;
}
return Item->m_sps[idx].fp + Item->m_SizeIn;
}
}
}
}
}
return -1;
}
HRESULT CHdmvClipInfo::ReadChapters(CString strPlaylistFile, CPlaylist& PlaylistItems, CPlaylistChapter& Chapters)
{
BYTE Buff[4];
CPath Path(strPlaylistFile);
// Get BDMV folder
Path.RemoveFileSpec();
Path.RemoveFileSpec();
m_hFile = CreateFile(strPlaylistFile, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_READONLY|FILE_FLAG_SEQUENTIAL_SCAN, NULL);
if (m_hFile != INVALID_HANDLE_VALUE) {
REFERENCE_TIME* rtOffset = DNew REFERENCE_TIME[PlaylistItems.GetCount()];
REFERENCE_TIME rtSum = 0;
USHORT nIndex = 0;
POSITION pos = PlaylistItems.GetHeadPosition();
while (pos) {
CHdmvClipInfo::PlaylistItem* PI = PlaylistItems.GetNext(pos);
rtOffset[nIndex] = rtSum - PI->m_rtIn;
rtSum = rtSum + PI->Duration();
nIndex++;
}
ReadBuffer(Buff, 4);
if (memcmp(Buff, "MPLS", 4)) {
SAFE_DELETE_ARRAY(rtOffset);
return CloseFile(VFW_E_INVALID_FILE_FORMAT);
}
ReadBuffer(Buff, 4);
if ((memcmp(Buff, "0200", 4)!=0) && (memcmp(Buff, "0100", 4)!=0)) {
SAFE_DELETE_ARRAY(rtOffset);
return CloseFile(VFW_E_INVALID_FILE_FORMAT);
}
LARGE_INTEGER Pos = {0, 0};
USHORT nMarkCount;
ReadDword(); // PlayList_start_address
Pos.QuadPart = ReadDword(); // PlayListMark_start_address
// PlayListMark()
SetFilePointerEx(m_hFile, Pos, NULL, FILE_BEGIN);
ReadDword(); // length
nMarkCount = ReadShort(); // number_of_PlayList_marks
for (size_t i = 0; i < nMarkCount; i++) {
PlaylistChapter Chapter;
ReadByte(); // reserved_for_future_use
Chapter.m_nMarkType = (PlaylistMarkType)ReadByte(); // mark_type
Chapter.m_nPlayItemId = ReadShort(); // ref_to_PlayItem_id
Chapter.m_rtTimestamp = REFERENCE_TIME(20000.0f*ReadDword()/90) + rtOffset[Chapter.m_nPlayItemId]; // mark_time_stamp
Chapter.m_nEntryPID = ReadShort(); // entry_ES_PID
Chapter.m_rtDuration = REFERENCE_TIME(20000.0f*ReadDword()/90); // duration
if (Chapter.m_rtTimestamp < 0 || Chapter.m_rtTimestamp > rtSum) {
continue;
}
Chapters.AddTail (Chapter);
}
CloseFile(S_OK);
SAFE_DELETE_ARRAY(rtOffset);
return S_OK;
}
return AmHresultFromWin32(GetLastError());
}
