本文整理汇总了C++中StreamType类的典型用法代码示例。如果您正苦于以下问题：C++ StreamType类的具体用法？C++ StreamType怎么用？C++ StreamType使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了StreamType类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: CGsPacketMetadata
void CVPU1::Cmd_DIRECT(StreamType& stream, CODE nCommand)
{
uint32 nSize = stream.GetAvailableReadBytes();
nSize = std::min<uint32>(m_CODE.nIMM * 0x10, nSize);
assert((nSize & 0x0F) == 0);
if(nSize != 0)
{
uint8* packet = reinterpret_cast<uint8*>(alloca(nSize));
stream.Read(packet, nSize);
int32 remainingLength = nSize;
while(remainingLength > 0)
{
uint32 processed = m_vif.GetGif().ProcessPacket(packet, 0, remainingLength, CGsPacketMetadata(2));
packet += processed;
remainingLength -= processed;
assert(remainingLength >= 0);
}
}
m_CODE.nIMM -= (nSize / 0x10);
if((m_CODE.nIMM == 0) && (nSize != 0))
{
m_STAT.nVPS = 0;
}
else
{
m_STAT.nVPS = 1;
}
}示例2: print_stream_state
void print_stream_state( const StreamType &stream )
{
cout << "good: " << stream.good() << endl;
cout << "eof: " << stream.eof() << endl;
cout << "fail: " << stream.fail() << endl;
cout << "bad: " << stream.bad() << endl;
cout << bitset<4>(stream.rdstate()).to_string() << endl;
}示例3:
bool CVPU::Unpack_V32(StreamType& stream, uint128& result, unsigned int fields)
{
if(stream.GetAvailableReadBytes() < (fields * 4)) return false;
stream.Read(&result, (fields * 4));
return true;
}示例4: ProcessPacket
void CVPU::ProcessPacket(StreamType& stream)
{
while(stream.GetAvailableReadBytes())
{
if(m_STAT.nVPS == 1)
{
//Command is waiting for more data...
ExecuteCommand(stream, m_CODE);
if((m_STAT.nVPS == 1) && (stream.GetAvailableReadBytes() != 0))
{
//We have data in our FIFO but we still need more than what's available
break;
}
else
{
continue;
}
}
if(m_STAT.nVEW == 1)
{
if(IsRunning()) break;
m_STAT.nVEW = 0;
//Command is waiting for micro-program to end.
ExecuteCommand(stream, m_CODE);
continue;
}
#ifdef DELAYED_MSCAL
m_previousCODE = m_CODE;
#endif
stream.Read(&m_CODE, sizeof(CODE));
assert(m_CODE.nI == 0);
m_NUM = m_CODE.nNUM;
ExecuteCommand(stream, m_CODE);
}
#ifdef DELAYED_MSCAL
if(stream.GetAvailableReadBytes() == 0)
{
ResumeDelayedMicroProgram();
}
#endif
}示例5: Cmd_MPG
void CVPU::Cmd_MPG(StreamType& stream, CODE nCommand)
{
uint32 nSize = stream.GetAvailableReadBytes();
uint32 nNum = (m_NUM == 0) ? (256) : (m_NUM);
uint32 nCodeNum = (m_CODE.nNUM == 0) ? (256) : (m_CODE.nNUM);
uint32 nTransfered = (nCodeNum - nNum) * 8;
nCodeNum *= 8;
nNum *= 8;
nSize = std::min<uint32>(nNum, nSize);
uint32 nDstAddr = (m_CODE.nIMM * 8) + nTransfered;
//Check if microprogram is running
if(IsRunning())
{
m_STAT.nVEW = 1;
return;
}
if(nSize != 0)
{
uint8* microProgram = reinterpret_cast<uint8*>(alloca(nSize));
stream.Read(microProgram, nSize);
//Check if there's a change
if(memcmp(m_microMem + nDstAddr, microProgram, nSize) != 0)
{
m_executor.ClearActiveBlocks();
memcpy(m_microMem + nDstAddr, microProgram, nSize);
}
}
m_NUM -= static_cast<uint8>(nSize / 8);
if((m_NUM == 0) && (nSize != 0))
{
m_STAT.nVPS = 0;
}
else
{
m_STAT.nVPS = 1;
}
}示例6: insert
const BSONObj* DBController::insert(const char* db, const char* ns, BSONObj* obj, const BSONObj* options) {
if (_logger->isDebug()) _logger->debug(2, "DBController::insert ns: %s, bson: %s", ns, obj->toChar());
StreamType* streamData = StreamManager::getStreamManager()->open(db, ns, DATA_FTYPE);
DBController::fillRequiredFields(obj);
// long crcStructure = checkStructure(obj);
// char* text = obj->toChar();
// streamData->writeChars(text, strlen(text));
// free(text);
insertIndex(db, ns, obj, streamData->currentPos());
writeBSON(streamData, obj);
//CacheManager::objectCache()->add(id, new BSONObj(*obj));
//
return obj;
}示例7: update
void DBController::update(const char* db, const char* ns, BSONObj* obj, const BSONObj* options) {
if (_logger->isDebug()) _logger->debug(2, "DBController::update ns: %s, bson: %s", ns, obj->toChar());
StreamType* streamData = StreamManager::getStreamManager()->open(db, ns, DATA_FTYPE);
Index* index = findIndex(db, ns, obj);
long currentPos = streamData->currentPos();
// Moves to the record to update
streamData->seek(index->posData);
BSONObj* previous = readBSON(streamData);
previous->add("_status", 3); // Updated
streamData->seek(index->posData);
writeBSON(streamData, previous);
// Back to the end of the stream
streamData->seek(currentPos);
updateIndex(db, ns, obj, streamData->currentPos());
obj->add("_status", 1); // Active
writeBSON(streamData, obj);
//std::string id = obj->getDJString("_id");
//CacheManager::objectCache()->add(id, new BSONObj(*obj));
}示例8: remove
void DBController::remove(const char* db, const char* ns, const char* documentId, const char* revision, const BSONObj* options) {
if (_logger->isDebug()) _logger->debug(2, "DBController::update db: %s, ns: %s, documentId: %s, revision: %s", db, ns, documentId, revision);
StreamType* streamData = StreamManager::getStreamManager()->open(db, ns, DATA_FTYPE);
IndexAlgorithm* impl = IndexFactory::indexFactory.index(db, ns, "_id");
BSONObj indexBSON;
indexBSON.add("_id", documentId);
Index* index = impl->find(&indexBSON);
if (index != NULL) {
// TODO check the revision id
StreamType* out = StreamManager::getStreamManager()->open(db, ns, DATA_FTYPE);
out->flush();
long currentPos = out->currentPos();
out->seek(index->posData);
BSONObj* obj = readBSON(out);
obj->add("_status", 2); // DELETED
// Get back to the record start
out->seek(index->posData);
writeBSON(out, obj);
// restores the last position
out->seek(currentPos);
//std::string id = obj->getDJString("_id");
//CacheManager::objectCache()->remove(id);
delete obj;
}
}示例9: Cmd_STMASK
void CVPU::Cmd_STMASK(StreamType& stream, CODE command)
{
if(m_NUM == 0)
{
m_NUM = 1;
}
while(m_NUM != 0 && stream.GetAvailableReadBytes())
{
stream.Read(&m_MASK, 4);
m_NUM--;
}
if(m_NUM == 0)
{
m_STAT.nVPS = 0;
}
else
{
m_STAT.nVPS = 1;
}
}示例10: Cmd_STCOL
void CVPU::Cmd_STCOL(StreamType& stream, CODE nCommand)
{
if(m_NUM == 0)
{
m_NUM = 4;
}
while(m_NUM != 0 && stream.GetAvailableReadBytes())
{
assert(m_NUM <= 4);
stream.Read(&m_C[4 - m_NUM], 4);
m_NUM--;
}
if(m_NUM == 0)
{
m_STAT.nVPS = 0;
}
else
{
m_STAT.nVPS = 1;
}
}示例11: assert
void CVif1::Cmd_DIRECT(StreamType& stream, CODE nCommand)
{
uint32 nSize = stream.GetAvailableReadBytes();
nSize = std::min<uint32>(m_CODE.nIMM * 0x10, nSize);
assert((nSize & 0x0F) == 0);
if(nSize != 0)
{
if(m_directBuffer.size() < nSize)
{
m_directBuffer.resize(nSize);
}
auto packet = m_directBuffer.data();
stream.Read(packet, nSize);
int32 remainingLength = nSize;
while(remainingLength > 0)
{
uint32 processed = m_gif.ProcessPacket(packet, 0, remainingLength, CGsPacketMetadata(2));
packet += processed;
remainingLength -= processed;
assert(remainingLength >= 0);
}
}
m_CODE.nIMM -= (nSize / 0x10);
if((m_CODE.nIMM == 0) && (nSize != 0))
{
m_STAT.nVPS = 0;
}
else
{
m_STAT.nVPS = 1;
}
}示例12: handle_error
std::ios_base::iostate handle_error(StreamType& strm) const
{
std::ios_base::iostate err(error_m);
try { throw; }
catch (std::bad_alloc&)
{
set_bad();
std::ios_base::iostate exception_mask(strm.exceptions());
if (exception_mask & std::ios_base::failbit && !(exception_mask & std::ios_base::badbit))
strm.setstate(err);
else if (exception_mask & std::ios_base::badbit)
{
try { strm.setstate(err); }
catch (std::ios_base::failure&) { }
throw;
}
}
catch (...)
{
set_fail();
std::ios_base::iostate exception_mask(strm.exceptions());
if ((exception_mask & std::ios_base::badbit) && (err & std::ios_base::badbit))
strm.setstate(err);
else if (exception_mask & std::ios_base::failbit)
{
try { strm.setstate(err); }
catch (std::ios_base::failure&) { }
throw;
}
}
return err;
}示例13: StreamType
void details::showinfo()
{
pp = p.getTSPacket(packet);
int l = 0, c=0;
for(int i = 0; i<packet.length; i++)
{
if(i%16 == 0)
{
l+=30;
c = 0;
}
if(i%8 == 0)
c+=30;
io = new QGraphicsTextItem;
io->setPos(c+(i%16)*30,l);
st = QString::number(pp.rawData[i],16).toUpper();
io->setPlainText(st);
io->setToolTip(QString::number(pp.rawData[i],2));
io->font().setPointSize(30);
sc->addItem(io);
}
pst = p.getPIDList();
StreamType *streamTypes = new StreamType();
QString typ = streamTypes->getStreamType(pst[packet.pid].streamType);
st = QString::number(packet.pid,16).toUpper();
tw->setGeometry(20,20,550,150);
tw->setHeaderLabel("Packet");
//ts header
twi = new QTreeWidgetItem();
twi->setText(0,"MPEG-TS Header");
QTreeWidgetItem *ch = new QTreeWidgetItem();
ch->setText(0,"Sync Byte: 0x47");
twi->addChild(ch);
ch = new QTreeWidgetItem();
ch->setText(0,QString("Transport Error Indicator: %1 ").arg(pp.tsheader.transportErrorIndicator));
twi->addChild(ch);
ch = new QTreeWidgetItem();
ch->setText(0,QString("Payload Unit Start Indicator: %1 ").arg(pp.tsheader.payloadUnitStartIndicator));
twi->addChild(ch);
ch = new QTreeWidgetItem();
ch->setText(0,QString("Transport Priority: %1 ").arg(pp.tsheader.transportPriority));
twi->addChild(ch);
ch = new QTreeWidgetItem();
ch->setText(0,QString("PID: 0x%1 ").arg(QString::number(pp.tsheader.pid,16)));
twi->addChild(ch);
ch = new QTreeWidgetItem();
ch->setText(0,QString("Scrambling Control: %1 ").arg(pp.tsheader.scramblingControl));
twi->addChild(ch);
ch = new QTreeWidgetItem();
ch->setText(0,QString("Adaptation Field Control: %1 ").arg(pp.tsheader.adaptationFieldControl));
twi->addChild(ch);
ch = new QTreeWidgetItem();
ch->setText(0,QString("Continuity Counter: %1 ").arg(pp.tsheader.continuityCounter));
twi->addChild(ch);
tw->addTopLevelItem(twi);
//adaptation field
if(pp.tsheader.adaptationFieldControl > 1)
{
twi = new QTreeWidgetItem();
twi->setText(0,"Adaptation Field");
ch = new QTreeWidgetItem();
ch->setText(0,QString("Adaptation Field Lenght: %1 ").arg(pp.afheader.length));
twi->addChild(ch);
ch = new QTreeWidgetItem();
ch->setText(0,QString("Discontinuity Indicator: %1 ").arg(pp.afheader.discontinuityIndicator));
twi->addChild(ch);
ch = new QTreeWidgetItem();
ch->setText(0,QString("Random Access Indicator: %1 ").arg(pp.afheader.randomAccessIndicator));
twi->addChild(ch);
ch = new QTreeWidgetItem();
ch->setText(0,QString("Elementary stream priority indicator: %1 ").arg(pp.afheader.elementaryStreamPriorityIndicator));
twi->addChild(ch);
ch = new QTreeWidgetItem();
ch->setText(0,QString("PCR Flag: %1 ").arg(pp.afheader.pcrFlag));
twi->addChild(ch);
ch = new QTreeWidgetItem();
ch->setText(0,QString("OPCR Flag: %1 ").arg(pp.afheader.opcrFlag));
twi->addChild(ch);
ch = new QTreeWidgetItem();
ch->setText(0,QString("Splicing Point Flag: %1 ").arg(pp.afheader.splicingPointFlag));
twi->addChild(ch);
ch = new QTreeWidgetItem();
ch->setText(0,QString("Transport Private Data Flag: %1 ").arg(pp.afheader.transportPrivateDataFlag));
twi->addChild(ch);
ch = new QTreeWidgetItem();
ch->setText(0,QString("Adaptation Field Extension Flag: %1 ").arg(pp.afheader.extensionFlag));
twi->addChild(ch);
ch = new QTreeWidgetItem();
ch->setText(0,"Adaptation Field Extension");
twi->addChild(ch);
// QTreeWidgetItem *afex = new QTreeWidgetItem();
tw->addTopLevelItem(twi);
//.........这里部分代码省略.........
示例14: Cmd_UNPACK
void CVPU::Cmd_UNPACK(StreamType& stream, CODE nCommand, uint32 nDstAddr)
{
assert((nCommand.nCMD & 0x60) == 0x60);
bool usn = (m_CODE.nIMM & 0x4000) != 0;
bool useMask = (nCommand.nCMD & 0x10) != 0;
uint32 cl = m_CYCLE.nCL;
uint32 wl = m_CYCLE.nWL;
if(m_NUM == nCommand.nNUM)
{
m_readTick = 0;
m_writeTick = 0;
}
uint32 currentNum = (m_NUM == 0) ? 256 : m_NUM;
uint32 codeNum = (m_CODE.nNUM == 0) ? 256 : m_CODE.nNUM;
uint32 transfered = codeNum - currentNum;
assert(transfered == 0 || cl == wl); //The value above is only valid for specific combinations of cl and wl
nDstAddr += transfered;
nDstAddr *= 0x10;
uint128* dst = reinterpret_cast<uint128*>(&m_vuMem[nDstAddr]);
while((currentNum != 0) && stream.GetAvailableReadBytes())
{
bool mustWrite = false;
uint128 writeValue;
memset(&writeValue, 0, sizeof(writeValue));
if(cl >= wl)
{
if(m_readTick < wl || wl == 0)
{
bool success = Unpack_ReadValue(nCommand, stream, writeValue, usn);
if(!success) break;
mustWrite = true;
}
}
else
{
if(m_writeTick < cl)
{
bool success = Unpack_ReadValue(nCommand, stream, writeValue, usn);
if(!success) break;
}
mustWrite = true;
}
if(mustWrite)
{
for(unsigned int i = 0; i < 4; i++)
{
uint32 maskOp = useMask ? GetMaskOp(i, m_writeTick) : MASK_DATA;
if(maskOp == MASK_DATA)
{
if(m_MODE == MODE_OFFSET)
{
writeValue.nV[i] += m_R[i];
}
else if(m_MODE == MODE_DIFFERENCE)
{
assert(0);
}
dst->nV[i] = writeValue.nV[i];
}
else if(maskOp == MASK_ROW)
{
dst->nV[i] = m_R[i];
}
else if(maskOp == MASK_COL)
{
int index = (m_writeTick > 3) ? 3 : m_writeTick;
dst->nV[i] = m_C[index];
}
else if(maskOp == MASK_MASK)
{
//Don't write anything
}
else
{
assert(0);
}
}
currentNum--;
}
if(cl >= wl)
{
m_writeTick = std::min<uint32>(m_writeTick + 1, wl);
m_readTick = std::min<uint32>(m_readTick + 1, cl);
if(m_readTick == cl)
{
m_writeTick = 0;
//.........这里部分代码省略.........
示例15: makeDir
void DBController::initialize(std::string dataDir) {
if (_logger->isInfo()) _logger->info("DBController initializing. Data dir: %s", dataDir.c_str());
_dataDir = dataDir;
if (_logger->isDebug()) _logger->debug(0, "data dir = %s", _dataDir.c_str());
if (!existDir(_dataDir.c_str())) {
makeDir(_dataDir.c_str());
}
if (!checkFileCreation(_dataDir.c_str())) {
_logger->error("An error ocurred using the data folder: %s. Please check that the user has permissions for writing over that directory. Error: %s", _dataDir.c_str(), lastErrorDescription());
exit(1);
}
StreamManager::getStreamManager()->setDataDir(_dataDir);
StreamManager::getStreamManager()->setInitializing(true);
std::auto_ptr<FileInputStream> fis(new FileInputStream((_dataDir + "djondb.dat").c_str(), "rb"));
while (!fis->eof()) {
std::string* db = fis->readString();
std::string* ns = fis->readString();
int streams = fis->readInt();
for (int x = 0; x < streams; x++) {
FILE_TYPE type = static_cast<FILE_TYPE>(fis->readInt());
StreamType* stream = StreamManager::getStreamManager()->open(db->c_str(), ns->c_str(), type);
if (type == INDEX_FTYPE) {
StreamType* dbstream = StreamManager::getStreamManager()->open(db->c_str(), ns->c_str(), DATA_FTYPE);
std::set<std::string> skeys;
skeys.insert("_id");
IndexAlgorithm* impl = IndexFactory::indexFactory.index(db->c_str(), ns->c_str(), skeys);
// If the database is version lesser than 0.3 then the indexes should
// be migrated to the new format
Version vindex("0.300000000");
if (*dbstream->version() < vindex) {
migrateIndex0_3(db->c_str(), ns->c_str(), stream, impl);
removeFile(stream->fileName().c_str());
((DBFileStream*)dbstream)->updateVersion(&vindex);
}
/*
long currentPos = stream->currentPos();
stream->seek(0);
int records = 0;
while (!stream->eof()) {
BSONObj* obj = readBSON(stream);
if (!impl) {
std::set<std::string> skeys;
for (BSONObj::const_iterator i = obj->begin(); i != obj->end(); i++) {
std::string key = i->first;
skeys.insert(key);
}
}
long indexPos = stream->readLong();
long posData = stream->readLong();
if (obj->has("_id")) {
impl->add(*obj, obj->getDJString("_id"), posData, indexPos);
records++;
}
delete obj;
}
stream->seek(currentPos);
if (_logger->isInfo()) _logger->info("db: %s, ns: %s, Index initialized. Records: %d", db->c_str(), ns->c_str(), records);
*/
}
}
}
fis->close();
StreamManager::getStreamManager()->setInitializing(false);
}