sm_03.cc

这是一个从音频信号里提取特征参量的程序

// file: $isip/class/stat/StatisticalModel/sm_03.cc
// version: $Id: sm_03.cc,v 1.8 2002/08/15 03:03:25 alphonso Exp $
//

// isip include files
//
#include "StatisticalModel.h"

// method: readAccumulator
//
// arguments:
//  Sof& sof: (input) sof file object
//  long tag: (input) sof object instance tag
//  const String& name: (input) sof object instance name
//
// return: a boolean value indicating status
//
// this method has the object accumulators form an Sof file
//
boolean StatisticalModel::readAccumulator(Sof& sof_a, long tag_a, const String& name_a) {

  // read the instance of the object from the Sof file
  //
  if (!sof_a.find(name_a, tag_a)) {
    return false;
  }
  
  // read the actual data from the sof file
  //
  if (!readAccumulatorData(sof_a)) {
    return false;
  }
  
  // exit gracefully
  //
  return true;
}

// method: readAccumulatorData
//
// arguments:
//  Sof& sof: (input) sof file object
//  const String& pname: (input) parameter name
//  long size: (input) size in bytes of object (or full_size)
//  boolean param: (input) is the parameter name in the file?
//  boolean nested: (input) are we nested?
//
// return: a boolean value indicating status
//
// this method has the object read itself from an Sof file. it assumes
// that the Sof file is already positioned correctly.
//
boolean StatisticalModel::readAccumulatorData(Sof& sof_a, const String& pname_a,
					long size_a, boolean param_a,
					boolean nested_a) {

  Integral::DEBUG debug_level = Integral::NONE;

  SofParser parser;

  parser.setDebug(debug_level);
  
  // ignore implicit parameter setting
  //
  
  // are we nested?
  //
  if (nested_a) {
    parser.setNest();
  }

  long pos = sof_a.tell();
  
  // load the parse
  //
  if (!parser.load(sof_a, size_a)) {
    return Error::handle(name(), L"readData", Error::READ,
			 __FILE__, __LINE__, Error::WARNING);
  }
   
  if (sof_a.isText()) {
    sof_a.seek(pos, File::POS);
  }

  // read the data
  //
  if (!virtual_model_d->readAccumulatorData(sof_a, pname_a, size_a,
				      param_a, nested_a)) {
    return Error::handle(name(), L"readAccumulatorData", Error::ARG, __FILE__, __LINE__);
  }

  // exit gracefully
  //
  return true;  
}

// method: read
//
// arguments:
//  Sof& sof: (input) sof file object
//  long tag: (input) sof object instance tag
//  const String& name: (input) sof object instance name
//
// return: a boolean value indicating status
//
// this method has the object read itself from an Sof file
//
boolean StatisticalModel::read(Sof& sof_a, long tag_a, const String& name_a) {

  // read the instance of the object from the Sof file
  //
  if (!sof_a.find(name_a, tag_a)) {
    return false;
  }
  
  // read the actual data from the sof file
  //
  if (!readData(sof_a)) {
    return false;
  }
  
  // exit gracefully
  //
  return true;  
}

// method: readData
//
// arguments:
//  Sof& sof: (input) sof file object
//  const String& pname: (input) parameter name
//  long size: (input) size in bytes of object (or full_size)
//  boolean param: (input) is the parameter name in the file?
//  boolean nested: (input) are we nested?
//
// return: a boolean value indicating status
//
// this method has the object read itself from an Sof file. it assumes
// that the Sof file is already positioned correctly.
//
boolean StatisticalModel::readData(Sof& sof_a, const String& pname_a,
				   long size_a, boolean param_a,
				   boolean nested_a) {

  Integral::DEBUG debug_level = Integral::NONE;

  SofParser parser;

  parser.setDebug(debug_level);
  
  // ignore implicit parameter setting
  //
  
  // are we nested?
  //
  if (nested_a) {
    parser.setNest();
  }

  long pos = sof_a.tell();
  
  // load the parse
  //
  if (!parser.load(sof_a, size_a)) {
    return Error::handle(name(), L"readData", Error::READ,
			 __FILE__, __LINE__, Error::WARNING);
  }
   
  // read the type
  //
  TYPE type;
  TYPE_MAP.readElementData((long&)type, sof_a, PARAM_TYPE,
			     parser.getEntry(sof_a, PARAM_TYPE));
  
  if (sof_a.isText()) {
    sof_a.seek(pos, File::POS);
  }

  // set the type
  //
  clear();
  setType(type);
  
  // read the data
  //
  if (!virtual_model_d->readData(sof_a, pname_a, size_a, param_a, nested_a)) {
    return Error::handle(name(), L"readData", Error::READ,
			 __FILE__, __LINE__, Error::WARNING);
  }

  // exit gracefully
  //
  return true;
}

// method: readOccupancies
//
// arguments:
//  Sof& sof: (input) sof file object
//  long tag: (input) sof object instance tag
//  const String& name: (input) sof object instance name
//
// return: a boolean value indicating status
//
// this method has the object occupancies from accumlators in an Sof file
//
boolean StatisticalModel::readOccupancies(Sof& sof_a, long tag_a, const String& name_a) {
  
  // read the instance of the object from the Sof file
  //
  if (!sof_a.find(name_a, tag_a)) {
    return false;
  }
  
  // read the actual data from the sof file
  //
  if (!readOccupanciesData(sof_a)) {
    return false;
  }
  
  // exit gracefully
  //
  return true;
}

// method: readOccupanciesData
//
// arguments:
//  Sof& sof: (input) sof file object
//  const String& pname: (input) parameter name
//  long size: (input) size in bytes of object (or full_size)
//  boolean param: (input) is the parameter name in the file?
//  boolean nested: (input) are we nested?
//
// return: a boolean value indicating status
//
// this method has the object read itself from an Sof file. it assumes
// that the Sof file is already positioned correctly.
//
boolean StatisticalModel::readOccupanciesData(Sof& sof_a,
					      const String& pname_a,
					      long size_a, boolean param_a,
					      boolean nested_a) {

  Integral::DEBUG debug_level = Integral::NONE;

  SofParser parser;

  parser.setDebug(debug_level);
  
  // ignore implicit parameter setting
  //
  
  // are we nested?
  //
  if (nested_a) {
    parser.setNest();
  }

  long pos = sof_a.tell();
  
  // load the parse
  //
  if (!parser.load(sof_a, size_a)) {
    return Error::handle(name(), L"readData", Error::READ,
			 __FILE__, __LINE__, Error::WARNING);
  }
   
  if (sof_a.isText()) {
    sof_a.seek(pos, File::POS);
  }

  // read the data
  //
  if (!virtual_model_d->readOccupanciesData(sof_a, pname_a, size_a,
					    param_a, nested_a)) {
    return Error::handle(name(), L"readOccupanciesData", Error::ARG, __FILE__, __LINE__);
  }

  // exit gracefully
  //
  return true;  
}