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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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