void InitNewGDT(uint32 newAddr){
SetupGDT(newAddr);
AddDescriptor(0,0xf0000, GDT_CODE_PL0);
AddDescriptor(0,0xf0000, GDT_DATA_PL0);
UserSegmentsBase = GDTR.size;
// Занмаем место для дескрипторов, которые могут понадобиться в будущем
for(int i=0;i<USER_SEGMENTS_COUNT;++i)
AddDescriptor(0,0,0);
ApplyGDT();
}
void Multipart_CacheStorage::ConstructL(Cache_Storage * initial_storage, OpStringS8 &content_encoding)
{
StreamCache_Storage::ConstructL(initial_storage, content_encoding);
desc = StreamCache_Storage::GetDescriptor(NULL, TRUE, FALSE, NULL);
if(GetContentEncoding().HasContent())
{
OpStackAutoPtr<URL_DataDescriptor> desc1(OP_NEW_L(URL_DataDescriptor, (url, NULL)));
LEAVE_IF_ERROR(desc1->Init(TRUE));
#ifdef _HTTP_COMPRESS
desc1->SetupContentDecodingL(GetContentEncoding().CStr());
#endif
if(desc1->GetFirstDecoder() != NULL)
{
desc1->SetSubDescriptor(desc);
desc = desc1.release();
AddDescriptor(desc);
}
// Auto cleanup
}
if(desc == NULL)
LEAVE(OpStatus::ERR_NULL_POINTER);
}
void MP4DescriptorProperty::Generate()
{
// generate a default descriptor
// if it is mandatory, and single
if (m_mandatory && m_onlyOne) {
MP4Descriptor* pDescriptor =
AddDescriptor(m_tagsStart);
pDescriptor->Generate();
}
}
void MP4DescriptorProperty::Read(MP4File* pFile, u_int32_t index)
{
ASSERT(index == 0);
if (m_implicit) {
return;
}
u_int64_t start = pFile->GetPosition();
while (true) {
// enforce size limitation
if (m_sizeLimit && pFile->GetPosition() >= start + m_sizeLimit) {
break;
}
u_int8_t tag;
try {
pFile->PeekBytes(&tag, 1);
}
catch (MP4Error* e) {
if (pFile->GetPosition() >= pFile->GetSize()) {
// EOF
delete e;
break;
}
throw e;
}
// check if tag is in desired range
if (tag < m_tagsStart || tag > m_tagsEnd) {
break;
}
MP4Descriptor* pDescriptor =
AddDescriptor(tag);
pDescriptor->Read(pFile);
}
// warnings
if (m_mandatory && m_pDescriptors.Size() == 0) {
VERBOSE_READ(pFile->GetVerbosity(),
printf("Warning: Mandatory descriptor 0x%02x missing\n",
m_tagsStart));
} else if (m_onlyOne && m_pDescriptors.Size() > 1) {
VERBOSE_READ(pFile->GetVerbosity(),
printf("Warning: Descriptor 0x%02x has more than one instance\n",
m_tagsStart));
}
}
static void SetupGDT(uint32 newAddr){
GDTR.gdt_pointer = (void*)newAddr;
GDTR.size = 0;
AddDescriptor(0,0,0);
}
// Add descriptors to the index.
void FlannDescriptorKDTree::AddDescriptors(
std::vector<Descriptor>& descriptors) {
for (auto& descriptor : descriptors) {
AddDescriptor(descriptor);
}
}
