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#ifndef ENCODER_DOT_H
#define ENCODER_DOT_H
#include "options.h"
/***********************************************************************
*
* Encoder Include Files
*
***********************************************************************/
/***********************************************************************
*
* Encoder Definitions
*
***********************************************************************/
/* General Definitions */
/* Default Input Arguments (for command line control) */
#define DFLT_LAY 2 /* default encoding layer is II */
#define DFLT_MOD 'j' /* default mode is joint stereo */
#define DFLT_PSY 1 /* default psych model is 1 */
#define DFLT_SFQ 44.1 /* default input sampling rate is 44.1 kHz */
#define DFLT_EMP 'n' /* default de-emphasis is none */
#define DFLT_EXT ".mp2" /* default output file extension */
#define DFLT_BRI 10 /* default bitrate_index = 10 (192kbps) */
#define FILETYPE_ENCODE 'TEXT'
#define CREATOR_ENCODE 'MpgD'
/* This is the smallest MNR a subband can have before it is counted
as 'noisy' by the logic which chooses the number of JS subbands */
#define NOISY_MIN_MNR 0.0
/* Psychacoustic Model 1 Definitions */
#define CB_FRACTION 0.33
#define MAX_SNR 1000
#define NOISE 10
#define TONE 20
#define DBMIN -200.0
#define LAST -1
#define STOP -100
#define POWERNORM 90.3090 /* = 20 * log10(32768) to normalize */
/* max output power to 96 dB per spec */
/* Psychoacoustic Model 2 Definitions */
#define LOGBLKSIZE 10
#define BLKSIZE 1024
#define HBLKSIZE 513
#define CBANDS 63
#define LXMIN 32.0
/***********************************************************************
*
* Encoder Type Definitions
*
***********************************************************************/
/* Psychoacoustic Model 1 Type Definitions */
typedef int IFFT2[FFT_SIZE/2];
typedef int IFFT[FFT_SIZE];
typedef double D9[9];
typedef double D10[10];
typedef double D640[640];
typedef double D1408[1408];
typedef double DFFT2[FFT_SIZE/2];
typedef double DFFT[FFT_SIZE];
typedef double DSBL[SBLIMIT];
typedef double D2SBL[2][SBLIMIT];
typedef struct {
int line;
double bark, hear, x;
} g_thres, *g_ptr;
typedef struct {
double x;
int type, next, map;
} mask, *mask_ptr;
/* Psychoacoustic Model 2 Type Definitions */
typedef int ICB[CBANDS];
typedef int IHBLK[HBLKSIZE];
typedef FLOAT F32[32];
typedef FLOAT F2_32[2][32];
typedef FLOAT FCB[CBANDS];
typedef FLOAT FCBCB[CBANDS][CBANDS];
typedef FLOAT FBLK[BLKSIZE];
typedef FLOAT FHBLK[HBLKSIZE];
typedef FLOAT F2HBLK[2][HBLKSIZE];
typedef FLOAT F22HBLK[2][2][HBLKSIZE];
typedef double DCB[CBANDS];
/***********************************************************************
*
* Encoder Function Prototype Declarations
*
***********************************************************************/
/* musicin.c */
extern void obtain_parameters(frame_params*, int*, unsigned long*,
char[MAX_NAME_SIZE], char[MAX_NAME_SIZE]);
extern void parse_args(int, char**, frame_params*, int*, unsigned long*,
char[MAX_NAME_SIZE], char[MAX_NAME_SIZE]);
extern void print_config(frame_params*, int*,
char[MAX_NAME_SIZE], char[MAX_NAME_SIZE]);
void usage(void);
extern void aiff_check(char*, IFF_AIFF*, int*);
/* encode.c */
extern unsigned long read_samples(FILE*, short[2304], unsigned long,
unsigned long);
extern unsigned long get_audio(FILE*, short[2][1152], unsigned long,
int, layer* info);
extern void window_subband(short**, double[HAN_SIZE], int);
extern void create_ana_filter(double[SBLIMIT][64]);
extern void filter_subband(double[HAN_SIZE], double[SBLIMIT]);
extern void encode_info(frame_params*, Bit_stream_struc*);
extern double mod(double);
extern void combine_LR(double[2][3][SCALE_BLOCK][SBLIMIT],
double[3][SCALE_BLOCK][SBLIMIT], int);
extern void scale_factor_calc(double[][3][SCALE_BLOCK][SBLIMIT],
unsigned int[][3][SBLIMIT], int, int);
extern void pick_scale(unsigned int[2][3][SBLIMIT], frame_params*,
double[2][SBLIMIT]);
extern void put_scale(unsigned int[2][3][SBLIMIT], frame_params*,
double[2][SBLIMIT]);
extern void transmission_pattern(unsigned int[2][3][SBLIMIT],
unsigned int[2][SBLIMIT], frame_params*);
extern void encode_scale(unsigned int[2][SBLIMIT],
unsigned int[2][SBLIMIT],
unsigned int[2][3][SBLIMIT], frame_params*,
Bit_stream_struc*);
extern int bits_for_nonoise(double[2][SBLIMIT], unsigned int[2][SBLIMIT],
frame_params*);
#ifdef VBR
extern void main_bit_allocation(double[2][SBLIMIT],
unsigned int[2][SBLIMIT], unsigned int[2][SBLIMIT],
int*, frame_params*, options*);
#else
extern void main_bit_allocation(double[2][SBLIMIT],
unsigned int[2][SBLIMIT], unsigned int[2][SBLIMIT],
int*, frame_params*);
#endif
extern int a_bit_allocation(double[2][SBLIMIT], unsigned int[2][SBLIMIT],
unsigned int[2][SBLIMIT], int*, frame_params*);
extern void subband_quantization(unsigned int[2][3][SBLIMIT],
double[2][3][SCALE_BLOCK][SBLIMIT], unsigned int[3][SBLIMIT],
double[3][SCALE_BLOCK][SBLIMIT], unsigned int[2][SBLIMIT],
unsigned int[2][3][SCALE_BLOCK][SBLIMIT], frame_params*);
extern void encode_bit_alloc(unsigned int[2][SBLIMIT], frame_params*,
Bit_stream_struc*);
extern void sample_encoding(unsigned int[2][3][SCALE_BLOCK][SBLIMIT],
unsigned int[2][SBLIMIT], frame_params*,
Bit_stream_struc*);
extern void encode_CRC(unsigned int, Bit_stream_struc*);
/* tonal.c */
extern void read_cbound(int,int);
extern void read_freq_band(g_ptr*, int, int);
extern void make_map(mask[HAN_SIZE], g_thres*);
extern double add_db(double, double);
extern void f_f_t(double[FFT_SIZE], mask[HAN_SIZE]);
extern void hann_win(double[FFT_SIZE]);
extern void pick_max(mask[HAN_SIZE], double[SBLIMIT]);
extern void tonal_label(mask[HAN_SIZE], int*);
extern void noise_label(mask*, int*, g_thres*, float[FFT_SIZE]);
extern void subsampling(mask[HAN_SIZE], g_thres*, int*, int*);
extern void threshold(mask[HAN_SIZE], g_thres*, int*, int*, int);
extern void minimum_mask(g_thres*, double[SBLIMIT], int);
extern void smr(double[SBLIMIT], double[SBLIMIT], double[SBLIMIT],
int);
extern void psycho_i(short[2][1152], double[2][SBLIMIT],
double[2][SBLIMIT], frame_params*);
/* psycho_II.c */
extern void psycho_ii(short int*, short int[1056], int,
FLOAT[32], double);
/* subs.c */
extern void fft(FLOAT[BLKSIZE], FLOAT[BLKSIZE], FLOAT[BLKSIZE],
FLOAT[BLKSIZE], int );
#endif
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