Impala Documentation

virtual int Impala::Core::Trec::ThreadRank::GetShotAt	(	int	shot,
		int	offset
	)			`[inline, virtual]`

Implements Impala::Core::Trec::Thread.

Definition at line 73 of file ThreadRank.h.

References Impala::Core::Column::Find(), Impala::Core::Table::TableTem< Col1T, Col2T, Col3T, Col4T, Col5T, Col6T, Col7T, Col8T, Col9T >::Get1(), Impala::Core::Table::TableTem< Col1T, Col2T, Col3T, Col4T, Col5T, Col6T, Col7T, Col8T, Col9T >::GetColumn1(), Impala::Core::VideoSet::Keyframes::GetFrameId(), Impala::Core::VideoSet::Keyframes::GetQuidFrame(), Impala::Core::VideoSet::Segmentation::GetQuidShot(), Impala::Core::VideoSet::Segmentation::GetShotId(), Key2Shot(), mKeyframes, mRank, mSegmentation, mUseShotQuids, Impala::QUID_CLASS_SHOT, Impala::QuidClass(), Shot2Key(), and Impala::Core::Table::Table::Size().

00074     {
00075         Quid quidf;
00076         if (mUseShotQuids)
00077         {
00078             quidf = mSegmentation->GetQuidShot(shot);
00079         } else {
00080             quidf = mKeyframes->GetQuidFrame(Shot2Key(shot));
00081         }
00082         int r = Column::Find(mRank->GetColumn1(), quidf, 0, mRank->Size());
00083         int dst = r + offset;
00084         if ((dst < 0) || (dst >= mRank->Size())) {
00085             //ILOG_DEBUG("GetShotAt(" << shot << " key=" << key << " offset=" <<
00086             //           offset << " quidf = " <<
00087             //           QuidObj(quidf) << "): failed, dst=" << dst);
00088             return -1;
00089         }
00090         Quid quid = mRank->Get1(dst);
00091         if (QuidClass(quid) == QUID_CLASS_SHOT)
00092         {
00093             return mSegmentation->GetShotId(quid);
00094         } else {
00095             return Key2Shot(mKeyframes->GetFrameId(quid));
00096         }
00097     }

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