mp3tech.c File Reference

#include "config.h"
#include "cfe/mp3info/mp3info.h"

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Functions
int	get_mp3_info (mp3info *mp3, int scantype, int fullscan_vbr)
int	get_first_header (mp3info *mp3, long startpos)
int	get_next_header (mp3info *mp3)
int	get_header (FILE *file, mp3header *header)
int	frame_length (mp3header *header)
int	header_layer (mp3header *h)
int	header_bitrate (mp3header *h)
int	header_frequency (mp3header *h)
char *	header_emphasis (mp3header *h)
char *	header_mode (mp3header *h)
int	sameConstant (mp3header *h1, mp3header *h2)
int	get_id3 (mp3info *mp3)
char *	pad (char *string, int length)
char *	unpad (char *string)
int	write_tag (mp3info *mp3)

Variables
int	layer_tab [4] = {0, 3, 2, 1}
int	frequencies [3][4]
int	bitrate [2][3][15]
int	frame_size_index [] = {24000, 72000, 72000}
char *	mode_text []
char *	emphasis_text []

Function Documentation

frame_length()

int frame_length

(

mp3header *

header

)

Definition at line 259 of file mp3tech.c.

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get_first_header()

int get_first_header	(	mp3info *	mp3,
		long	startpos
	)

Definition at line 155 of file mp3tech.c.

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get_header()

int get_header	(	FILE *	file,
		mp3header *	header
	)

Definition at line 223 of file mp3tech.c.

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get_id3()

int get_id3

(

mp3info *

mp3

)

Definition at line 300 of file mp3tech.c.

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get_mp3_info()

int get_mp3_info	(	mp3info *	mp3,
		int	scantype,
		int	fullscan_vbr
	)

Definition at line 69 of file mp3tech.c.

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get_next_header()

int get_next_header

(

mp3info *

mp3

)

Definition at line 192 of file mp3tech.c.

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header_bitrate()

int header_bitrate

(

mp3header *

h

)

Definition at line 268 of file mp3tech.c.

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header_emphasis()

char* header_emphasis

(

mp3header *

h

)

Definition at line 276 of file mp3tech.c.

header_frequency()

int header_frequency

(

mp3header *

h

)

Definition at line 272 of file mp3tech.c.

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header_layer()

int header_layer

(

mp3header *

h

)

Definition at line 266 of file mp3tech.c.

header_mode()

char* header_mode

(

mp3header *

h

)

Definition at line 280 of file mp3tech.c.

pad()

char* pad	(	char *	string,
		int	length
	)

Definition at line 340 of file mp3tech.c.

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sameConstant()

int sameConstant	(	mp3header *	h1,
		mp3header *	h2
	)

Definition at line 284 of file mp3tech.c.

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unpad()

char* unpad

(

char *

string

)

Definition at line 355 of file mp3tech.c.

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write_tag()

int write_tag

(

mp3info *

mp3

)

Definition at line 366 of file mp3tech.c.

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Variable Documentation

bitrate

int bitrate[2][3][15]

Initial value:

= { 
  { 
    {0,32,48,56,64,80,96,112,128,144,160,176,192,224,256},  
    {0,8,16,24,32,40,48,56,64,80,96,112,128,144,160},       
    {0,8,16,24,32,40,48,56,64,80,96,112,128,144,160}        

  },

  { 
    {0,32,64,96,128,160,192,224,256,288,320,352,384,416,448}, 
    {0,32,48,56,64,80,96,112,128,160,192,224,256,320,384},    
    {0,32,40,48,56,64,80,96,112,128,160,192,224,256,320}      
  }
}

Definition at line 42 of file mp3tech.c.

emphasis_text

char* emphasis_text[]

Initial value:

= {
  "none", "50/15 microsecs", "reserved", "CCITT J 17"
}

Definition at line 64 of file mp3tech.c.

frame_size_index

int frame_size_index[] = {24000, 72000, 72000}

Definition at line 57 of file mp3tech.c.

frequencies

int frequencies[3][4]

Initial value:

= {
   {22050,24000,16000,50000},  
   {44100,48000,32000,50000},  
   {11025,12000,8000,50000}    
}

Definition at line 36 of file mp3tech.c.

layer_tab

int layer_tab[4] = {0, 3, 2, 1}

Definition at line 34 of file mp3tech.c.

mode_text

char* mode_text[]

Initial value:

= {
   "stereo", "joint stereo", "dual channel", "mono"
}

Definition at line 60 of file mp3tech.c.