const bool CPsiSection::operator == (const CPsiSection &Operand) const
{
// セクションの内容を比較する
if (GetPayloadSize() != Operand.GetPayloadSize()) {
// サイズが異なる
return false;
}
const BYTE *pSrcData = GetPayloadData();
const BYTE *pDstData = Operand.GetPayloadData();
if (!pSrcData && !pDstData) {
// いずれもNULL
return true;
}
if (!pSrcData || !pDstData) {
// 一方だけNULL
return false;
}
#if 0
// バイナリ比較
for (DWORD dwPos = 0 ; dwPos < GetPayloadSize() ; dwPos++) {
if (pSrcData[dwPos] != pDstData[dwPos])
return false;
}
// 一致する
return true;
#else
return memcmp(pSrcData, pDstData, GetPayloadSize()) == 0;
#endif
}
nsresult
DaemonSocketPDU::UpdateHeader()
{
size_t len = GetPayloadSize();
if (len >= MAX_PAYLOAD_LENGTH) {
return NS_ERROR_ILLEGAL_VALUE;
}
uint16_t len16 = static_cast<uint16_t>(len);
memcpy(GetData(OFF_LENGTH), &len16, sizeof(len16));
return NS_OK;
}
PvResult Source::StartAcquisition()
{
PvGenStateStack lState( mDevice->GetGenParameters() );
if ( mMultiSource )
{
// Push change on stack, will be reset when lState goes out of scope
lState.SetEnumValue( "SourceSelector", mSourceIndex );
}
// Get payload size
PvUInt32 lPayloadSize = GetPayloadSize();
if ( lPayloadSize > 0 )
{
// Propagate to pipeline to make sure buffers are big enough
mPipeline->SetBufferSize( lPayloadSize );
}
// Reset pipeline
mPipeline->Reset();
mBuffersReallocated = false;
// Reset stream statistics
PvGenCommand *lResetStats = mStream->GetParameters()->GetCommand( "Reset" );
lResetStats->Execute();
// Reset dislay thread stats (mostly frames displayed per seconds)
mDisplayThread->ResetStatistics();
// Use acquisition manager to send the acquisition start command to the device
PvResult lResult = mAcquisitionManager->Start();
if ( !lResult.IsOK() )
{
return lResult;
}
return PvResult::Code::OK;
}
