bitreader_helper::bitreader_fromfile

#include <bitreader_helper.h>

Public Member Functions
	bitreader_fromfile (service_ptr_t< file > const &p_file)
void	byte_align ()
t_size	read (t_size p_bits, abort_callback &p_abort)
void	skip (t_size p_bits, abort_callback &p_abort)

Private Attributes
t_uint8	m_buffer
t_size	m_buffer_ptr
service_ptr_t< file >	m_file

Detailed Description

Definition at line 58 of file bitreader_helper.h.

Constructor & Destructor Documentation

bitreader_helper::bitreader_fromfile::bitreader_fromfile ( service_ptr_t< file > const &  p_file )

inline

Definition at line 61 of file bitreader_helper.h.

: m_file(p_file), m_buffer_ptr(0) {}

Member Function Documentation

void bitreader_helper::bitreader_fromfile::byte_align ( )

inline

Definition at line 83 of file bitreader_helper.h.

{m_buffer_ptr = 0;}

t_size bitreader_helper::bitreader_fromfile::read ( t_size  p_bits, abort_callback &  p_abort  )

inline

Definition at line 63 of file bitreader_helper.h.

                                                        {
        t_size ret = 0;
        for(t_size bit=0;bit<p_bits;bit++) {
            if (m_buffer_ptr == 0)
                m_file->read_object(&m_buffer,1,p_abort);

            ret <<= 1;
            ret |= (m_buffer >> (7-m_buffer_ptr))&1;
            m_buffer_ptr = (m_buffer_ptr+1) & 7;
        }
        return ret;
    }

void bitreader_helper::bitreader_fromfile::skip ( t_size  p_bits, abort_callback &  p_abort  )

inline

Definition at line 76 of file bitreader_helper.h.

                                                      {
        for(t_size bit=0;bit<p_bits;bit++) {
            if (m_buffer_ptr == 0) m_file->read_object(&m_buffer,1,p_abort);
            m_buffer_ptr = (m_buffer_ptr+1) & 7;
        }
    }

Field Documentation

t_uint8 bitreader_helper::bitreader_fromfile::m_buffer

private

Definition at line 88 of file bitreader_helper.h.

t_size bitreader_helper::bitreader_fromfile::m_buffer_ptr

private

Definition at line 87 of file bitreader_helper.h.

service_ptr_t<file> bitreader_helper::bitreader_fromfile::m_file

private

Definition at line 86 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