OnlineCacheInput Class Reference

#include <online-feat-input.h>

Inheritance diagram for OnlineCacheInput:

Collaboration diagram for OnlineCacheInput:

Public Member Functions
	OnlineCacheInput (OnlineFeatInputItf *input)
virtual bool	Compute (Matrix< BaseFloat > *output)
void	GetCachedData (Matrix< BaseFloat > *output)
int32	Dim () const
void	Deallocate ()
virtual	~OnlineCacheInput ()
Public Member Functions inherited from OnlineFeatInputItf
virtual	~OnlineFeatInputItf ()

Private Attributes
OnlineFeatInputItf *	input_
std::vector< Matrix< BaseFloat > *>	data_

Detailed Description

Definition at line 130 of file online-feat-input.h.

Constructor & Destructor Documentation

OnlineCacheInput()

OnlineCacheInput ( OnlineFeatInputItf *  input )

inline

Definition at line 132 of file online-feat-input.h.

References OnlineFeatInputItf::Compute().

: input_(input) { }

~OnlineCacheInput()

virtual ~OnlineCacheInput ( )

inlinevirtual

Definition at line 145 of file online-feat-input.h.

{ Deallocate(); }

Member Function Documentation

Compute()

bool Compute ( Matrix< BaseFloat > *  output )

virtual

Implements OnlineFeatInputItf.

Definition at line 336 of file online-feat-input.cc.

References OnlineFeatInputItf::Compute(), data_, OnlineLdaInput::input_, and MatrixBase< Real >::NumRows().

Referenced by kaldi::GetOutput().

                                                        {
  bool ans = input_->Compute(output);
  if (output->NumRows() != 0)
    data_.push_back(new Matrix<BaseFloat>(*output));
  return ans;
}

Deallocate()

void Deallocate

(

)

Definition at line 359 of file online-feat-input.cc.

References data_, and rnnlm::i.

                                  {
  for (size_t i = 0; i < data_.size(); i++) delete data_[i];
  data_.clear();
}

Dim()

int32 Dim ( ) const

inlinevirtual

Implements OnlineFeatInputItf.

Definition at line 141 of file online-feat-input.h.

{ return input_->Dim(); }

GetCachedData()

void GetCachedData

(

Matrix< BaseFloat > *

output

)

Definition at line 343 of file online-feat-input.cc.

References data_, rnnlm::i, KALDI_ASSERT, MatrixBase< Real >::Range(), and Matrix< Real >::Resize().

Referenced by kaldi::GetOutput(), and kaldi::TestOnlineCmnInput().

                                                              {
  int32 num_frames = 0, dim = 0;
  for (size_t i = 0; i < data_.size(); i++) {
    num_frames += data_[i]->NumRows();
    dim = data_[i]->NumCols();
  }
  output->Resize(num_frames, dim);
  int32 frame_offset = 0;
  for (size_t i = 0; i < data_.size(); i++) {
    int32 this_frames = data_[i]->NumRows();
    output->Range(frame_offset, this_frames, 0, dim).CopyFromMat(*data_[i]);
    frame_offset += this_frames;
  }
  KALDI_ASSERT(frame_offset == num_frames);
}

Member Data Documentation

data_

std::vector<Matrix<BaseFloat>* > data_

private

Definition at line 151 of file online-feat-input.h.

input_

OnlineFeatInputItf* input_

private

Definition at line 148 of file online-feat-input.h.

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The documentation for this class was generated from the following files:

• online/online-feat-input.h
• online/online-feat-input.cc