bitreader_helper::bitreader

#include <bitreader_helper.h>

Public Member Functions
	bitreader (const t_uint8 *p_ptr, t_size p_base)
t_size	get_bitptr () const
t_size	read (t_size p_bits)
bool	read_bit ()
template<typename t_ret >
t_ret	read_t (t_size p_bits)
void	skip (t_size p_bits)

Private Attributes
t_size	m_bitptr
const t_uint8 *	m_ptr

Detailed Description

Definition at line 17 of file bitreader_helper.h.

Constructor & Destructor Documentation

bitreader_helper::bitreader::bitreader ( const t_uint8 *  p_ptr, t_size  p_base  )

inline

Definition at line 20 of file bitreader_helper.h.

        : m_ptr(p_ptr), m_bitptr(p_base)
    {
    }

Member Function Documentation

t_size bitreader_helper::bitreader::get_bitptr ( ) const

inline

Definition at line 44 of file bitreader_helper.h.

{return m_bitptr;}

t_size bitreader_helper::bitreader::read ( t_size  p_bits )

inline

Definition at line 42 of file bitreader_helper.h.

{return read_t<t_size>(p_bits);}

bool bitreader_helper::bitreader::read_bit ( )

inline

Definition at line 46 of file bitreader_helper.h.

                           {
        bool state = ( (m_ptr[m_bitptr>>3] >> (7-(m_bitptr&7)))&1 ) != 0;
        m_bitptr++;
        return state;
    }

template<typename t_ret >

t_ret bitreader_helper::bitreader::read_t ( t_size  p_bits )

inline

Definition at line 31 of file bitreader_helper.h.

                                {
        t_ret ret = 0;
        for(t_size bit=0;bit<p_bits;bit++)
        {
            ret <<= 1;
            ret |= (m_ptr[m_bitptr>>3] >> (7-(m_bitptr&7)))&1;
            m_bitptr++;
        }
        return ret;
    }

void bitreader_helper::bitreader::skip ( t_size  p_bits )

inline

Definition at line 25 of file bitreader_helper.h.

    {
        m_bitptr += p_bits;
    }

Field Documentation

t_size bitreader_helper::bitreader::m_bitptr

private

Definition at line 55 of file bitreader_helper.h.

const t_uint8* bitreader_helper::bitreader::m_ptr

private

Definition at line 54 of file bitreader_helper.h.

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

• foobar2000/helpers/bitreader_helper.h