HRESULT CDVBSub::ParsePage(CGolombBuffer& gb, WORD wSegLength, CAutoPtr<DVB_PAGE>& pPage)
{
HRESULT hr = S_OK;
WORD wEnd = (WORD)gb.GetPos() + wSegLength;
int nPos = 0;
pPage.Attach (DNew DVB_PAGE());
pPage->PageTimeOut = gb.ReadByte();
pPage->PageVersionNumber = (BYTE)gb.BitRead(4);
pPage->PageState = (BYTE)gb.BitRead(2);
pPage->RegionCount = 0;
gb.BitRead(2); // Reserved
while (gb.GetPos() < wEnd)
{
if (nPos < MAX_REGIONS)
{
pPage->Regions[nPos].Id = gb.ReadByte();
gb.ReadByte(); // Reserved
pPage->Regions[nPos].HorizAddr = gb.ReadShort();
pPage->Regions[nPos].VertAddr = gb.ReadShort();
pPage->RegionCount++;
}
nPos++;
}
return S_OK;
}
HRESULT CDVBSub::ParsePage(CGolombBuffer& gb, WORD wSegLength, CAutoPtr<DVB_PAGE>& pPage)
{
size_t nExpectedSize = 2;
size_t nEnd = gb.GetPos() + wSegLength;
pPage = CAutoPtr<DVB_PAGE>(DEBUG_NEW DVB_PAGE());
pPage->pageTimeOut = gb.ReadByte();
pPage->pageVersionNumber = (BYTE)gb.BitRead(4);
pPage->pageState = (BYTE)gb.BitRead(2);
gb.BitRead(2); // Reserved
while (gb.GetPos() < nEnd) {
nExpectedSize += 6;
DVB_REGION_POS regionPos;
regionPos.id = gb.ReadByte();
gb.ReadByte(); // Reserved
regionPos.horizAddr = gb.ReadShort();
regionPos.vertAddr = gb.ReadShort();
pPage->regionsPos.AddTail(regionPos);
}
return (wSegLength == nExpectedSize) ? S_OK : E_UNEXPECTED;
}
