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#ifndef _LABELS_H_
#define _LABELS_H_
#include "Matrix.h"
#include "MlfStream.h"
#include "Features.h"
#include <map>
#include <iostream>
namespace TNet {
class FeaCatPool;
/**
* Desired matrix generation object,
* supports background-reading and caching, however can be
* used in foreground as well by GenDesiredMatrix()
*/
class LabelRepository
{
typedef std::map<std::string,size_t> TagToIdMap;
public:
enum MFormat {
MAP,
RAW
};
LabelRepository()
: _mpLabelStream(NULL), mpLabelStream(NULL), mpLabelDir(NULL), mpLabelExt(NULL), mGenDesiredMatrixTime(0), mIndexTime(0), mTrace(0)
{ }
~LabelRepository()
{
if(mTrace&4) {
std::cout << "[LabelRepository -- indexing:" << mIndexTime << "s"
" genDesiredMatrix:" << mGenDesiredMatrixTime << "s]" << std::endl;
}
delete mpLabelStream;
delete _mpLabelStream;
}
/// Initialize the LabelRepository
void Init(const char* pLabelMlfFile, const char* pOutputLabelMapFile, const char* pLabelDir, const char* pLabelExt);
void InitExt(const char* pLabelMlfFile, const char* fmt, const char* arg, const char* pLabelDir, const char* pLabelExt);
void InitMap(const char* pLabelMlfFile, const char* pOutputLabelMapFile, const char* pLabelDir, const char* pLabelExt);
void InitRaw(const char* pLabelMlfFile,const char* arg, const char* pLabelDir, const char* pLabelExt);
/// Set trace level
void Trace(int trace)
{ mTrace = trace; }
/// Get desired matrix from labels
void GenDesiredMatrix(BfMatrix& rDesired, size_t nFrames, size_t sourceRate, const char* pFeatureLogical, bool has_vad = false);
void GenDesiredMatrixExt(std::vector<BfMatrix>& rDesired, size_t nFrames, size_t sourceRate, const char* pFeatureLogical);
void GenDesiredMatrixExtMap(std::vector<BfMatrix>& rDesired, size_t nFrames, size_t sourceRate, const char* pFeatureLogical);
void GenDesiredMatrixExtRaw(std::vector<BfMatrix>& rDesired, size_t nFrames, size_t sourceRate, const char* pFeatureLogical);
size_t getWidth() { return mLabelMap.size(); }
MFormat getFormat() { return mlf_fmt; }
private:
/// Prepare the state-label to state-id map
void ReadOutputLabelMap(const char* file);
private:
// Streams and state-map
std::ifstream* _mpLabelStream; ///< Helper stream for Label stream
IMlfStream* mpLabelStream; ///< Label stream
std::istringstream mGenDesiredMatrixStream; ///< Label file parsing stream
const char* mpLabelDir; ///< Label dir in MLF
const char* mpLabelExt; ///< Label ext in MLF
char mpLabelFile[4096]; ///< Buffer for filenames in MLF
TagToIdMap mLabelMap; ///< Map of state tags to net output indices
double mGenDesiredMatrixTime;
float mIndexTime;
int mTrace;
MFormat mlf_fmt;
size_t raw_dim;
};
}//namespace
#endif
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