GuessLambdaModifiers.h

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#ifndef __GUESSLAMBDAMODIFIERS__
#define __GUESSLAMBDAMODIFIERS__

#include "RuntimeError.h"
#include <vector>
#include <map>
#include <list>
#include <set>
#include <limits>

class InitialAdjustmentParameterParseException: public RuntimeError
{
  public:
    virtual ~InitialAdjustmentParameterParseException( ) throw( ) { }
  protected:
    void outputWhat( std::ostream& o ) const { o << "Error parsing the initial-adjustment parameter"; }
};

class TargetsParseException: public RuntimeError
{
  public:
    virtual ~TargetsParseException( ) throw( ) { }
  protected:
    void outputWhat( std::ostream& o ) const { o << "Error parsing targets"; }
};

class MetaLogParseException: public RuntimeError
{
  public:
    virtual ~MetaLogParseException( ) throw( ) { }
  protected:
    void outputWhat( std::ostream& o ) const { o << "Error parsing meta log"; }
};

class MismatchedIndexesException: public RuntimeError
{
  public:
    virtual ~MismatchedIndexesException( ) throw( ) { }
  protected:
    void outputWhat( std::ostream& o ) const { o << "Mismatched vector sizes or lambda modifier indexes"; }
};

template< typename TLambdaModifier >
struct MetaLogEntry
{
  TLambdaModifier lambdaModifiers;
  std::vector< double > bitrateVector;
};

struct Point
{
  double lambdaModifier;
  double bitrate;
};

double polateLambdaModifier( double targetBitrate, const Point& point1, const Point& point2 );

double guessLambdaModifier(
    double initialAdjustmentParameter,
    double targetBitrate,
    const std::list< Point >& pointList,
    double interDampeningFactor );

std::vector< double > guessLambdaModifiers(
    double initialAdjustmentParameter,
    const std::vector< double > &targetBitrateVector,
    const std::list< MetaLogEntry< std::vector< double > > >& metaLogEntryList );

void guessLambdaModifiers(
    std::ostream& o,
    std::istream& initialAdjustmentParameterIstream,
    std::istream& targetsIstream,
    std::istream& metaLogIstream );

#endif