common.h File Reference

#include "mpg123.h"
#include "mpglib.h"

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Functions
int	head_check (unsigned long head, int check_layer)
int	decode_header (struct frame *fr, unsigned long newhead)
void	print_header (struct frame *fr)
void	print_header_compact (struct frame *fr)
unsigned int	getbits (PMPSTR mp, int number_of_bits)
unsigned int	getbits_fast (PMPSTR mp, int number_of_bits)
int	set_pointer (PMPSTR mp, long backstep)
Variables
const int	tabsel_123 [2][3][16]
const long	freqs [9]
real	muls [27][64]

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Function Documentation

int decode_header	(	struct frame *	fr,
		unsigned long	newhead
	)

Definition at line 118 of file common.c.

References frame::bitrate_index, frame::copyright, do_layer3(), frame::down_sample, frame::down_sample_sblimit, frame::emphasis, frame::error_protection, frame::extension, frame::framesize, freqs, frame::lay, frame::lsf, frame::mode, frame::mode_ext, frame::mpeg25, MPG_MD_MONO, frame::original, frame::padding, frame::sampling_frequency, SBLIMIT, frame::stereo, and tabsel_123.

Referenced by decodeMP3_clipchoice().

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unsigned int getbits	(	PMPSTR	mp,
		int	number_of_bits
	)

Definition at line 240 of file common.c.

References mpstr_tag::bitindex, and mpstr_tag::wordpointer.

Referenced by decodeMP3_clipchoice(), I_step_one(), I_step_two(), II_step_one(), II_step_two(), III_get_side_info_1(), and III_get_side_info_2().

unsigned int getbits_fast	(	PMPSTR	mp,
		int	number_of_bits
	)

Definition at line 266 of file common.c.

References mpstr_tag::bitindex, and mpstr_tag::wordpointer.

Referenced by II_step_one(), III_get_scale_factors_1(), III_get_scale_factors_2(), III_get_side_info_1(), and III_get_side_info_2().

int head_check	(	unsigned long	head,
		int	check_layer
	)

Definition at line 77 of file common.c.

References FALSE, and TRUE.

void print_header

(

struct frame *

fr

)

Definition at line 209 of file common.c.

References frame::bitrate_index, frame::copyright, frame::emphasis, frame::error_protection, frame::extension, frame::framesize, freqs, frame::lay, frame::lsf, frame::mode, frame::mode_ext, frame::mpeg25, frame::original, frame::sampling_frequency, frame::stereo, and tabsel_123.

void print_header_compact

(

struct frame *

fr

)

Definition at line 226 of file common.c.

References frame::bitrate_index, freqs, frame::lay, frame::lsf, frame::mode, frame::mpeg25, frame::sampling_frequency, and tabsel_123.

int set_pointer	(	PMPSTR	mp,
		long	backstep
	)

Definition at line 287 of file common.c.

References mpstr_tag::bitindex, mpstr_tag::bsnum, mpstr_tag::bsspace, mpstr_tag::fsizeold, memcpy, MP3_ERR, MP3_OK, and mpstr_tag::wordpointer.

Referenced by do_layer3().

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Variable Documentation

const long freqs[9]

Definition at line 39 of file common.c.

Referenced by decode_header(), do_layer3(), print_header(), and print_header_compact().

real muls[27][64]

Definition at line 45 of file common.c.

Referenced by I_step_two(), II_step_two(), and init_layer2().

const int tabsel_123[2][3][16]

Definition at line 29 of file common.c.

Referenced by decode_header(), do_layer3(), print_header(), and print_header_compact().

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