| FeatureTable* Impala::Samples::MonetTest::MakeFeatureTableMapi | ( | VideoSet * | vidSet, | |
| int | fileIdx, | |||
| FeatureDefinition | def, | |||
| Connection * | conn | |||
| ) |
Definition at line 325 of file mainMonetTest.cpp.
References Impala::Core::Table::TableTem< Col1T, Col2T, Col3T, Col4T, Col5T, Col6T, Col7T, Col8T, Col9T >::Add(), Impala::Core::Feature::FeatureDefinition::AsString(), Impala::Core::VideoSet::VideoSet::GetQuidFrame(), Impala::Core::VideoSet::VideoSet::GetQuidVideo(), Impala::Util::Hex2Bin(), ILOG_ERROR, ILOG_VAR, and Impala::MakeString().
Referenced by DoCheckFeatures().
00327 { 00328 ILOG_VAR(Impala.Samples.MonetTest.MakeFeatureTableMapi); 00329 00330 Quid vidQuid = vidSet->GetQuidVideo(fileIdx, true); 00331 String query = 00332 "select fr.fragment_start, fv.vector \ 00333 from feature_vector fv, fragment fr, file f, feature fe \ 00334 where f.quid = " + MakeString(vidQuid) + " and \ 00335 fr.media_id = f.media_id and \ 00336 fr.fragment_length = 1 and \ 00337 fr.keyframe = false and \ 00338 fe.feature_name = '" + def.AsString() + "' and \ 00339 fe.feature_id = fv.feature_id and \ 00340 fv.fragment_id = fr.fragment_id and \ 00341 fv.file_id = f.file_id \ 00342 order by fr.fragment_start;"; 00343 00344 MapiHdl hdl = conn->QueryPartStart(query); 00345 if (hdl == 0) 00346 return 0; 00347 00348 int* start = 0; 00349 int startSize = 0; 00350 if (!conn->QueryPartFetchInt(hdl, 0, start, startSize)) 00351 return 0; 00352 00353 std::vector<String> res; 00354 if (!conn->QueryPartFetchString(hdl, 1, res)) 00355 return 0; 00356 00357 conn->QueryPartEnd(hdl); 00358 00359 FeatureTable* feat = 0; 00360 for (int i=0 ; i<startSize ; i++) 00361 { 00362 Quid q = vidSet->GetQuidFrame(fileIdx, start[i], true); 00363 00364 size_t dataSize; 00365 UInt8* data = Util::Hex2Bin(res[i], dataSize); 00366 int n = dataSize / sizeof(Real64); 00367 Real64* realData = (Real64*) data; 00368 FeatureTable::VectorReal64 v(n, realData, true); 00369 00370 if (feat == 0) 00371 feat = new FeatureTable(def, res.size(), n); 00372 feat->Add(q, v); 00373 delete data; 00374 } 00375 00376 if (feat == 0) 00377 ILOG_ERROR("No features found"); 00378 delete start; 00379 return feat; 00380 }
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