eq.h

ESS3890+SL原代码（1*16内存）

/* Copyright 2001, ESS Technology, Inc. */
/* SCCSID @(#)eq.h	4.5 05/28/03 */

#ifndef _H_EQ_DEF
#define _H_EQ_DEF

/* Begin EQ variables */
#define EQ_60HZ         0
#define EQ_150HZ        2
#define EQ_400HZ        4
#define EQ_1KHZ         6
#define EQ_2KHZ         8
#define EQ_6KHZ         10
#define EQ_15KHZ        12

/* Music environment effects */
#define EQFX_STUDIO     0
#define EQFX_STADIUM    1
#define EQFX_CLUB       2
#define EQFX_MOVIE      3
#define EQFX_CHURCH     4
#define EQFX_HALL       5
 
/* Music type effects */
#define EQFX_STANDARD   6
#define EQFX_CLASSIC    7
#define EQFX_JAZZ       8
#define EQFX_ROCK       9
#define EQFX_POPS       10
#define EQFX_BALLAD     11
#define EQFX_DANCE      12
#define EQFX_PERSONAL   13


/* frequency levels */
#define EQ_LEVEL_NEG12	-1
#define EQ_LEVEL_NEG11	0
#define EQ_LEVEL_NEG10	1
#define EQ_LEVEL_NEG9	2
#define EQ_LEVEL_NEG8	3
#define EQ_LEVEL_NEG7	4
#define EQ_LEVEL_NEG6	5
#define EQ_LEVEL_NEG5	6
#define EQ_LEVEL_NEG4	7
#define EQ_LEVEL_NEG3	8
#define EQ_LEVEL_NEG2	9
#define EQ_LEVEL_NEG1	10
#define EQ_LEVEL_ZERO	11
#define EQ_LEVEL_POS1	12
#define EQ_LEVEL_POS2	13
#define EQ_LEVEL_POS3	14
#define EQ_LEVEL_POS4	15
#define EQ_LEVEL_POS5	16
#define EQ_LEVEL_POS6	17
#define EQ_LEVEL_POS7	18
#define EQ_LEVEL_POS8	19
#define EQ_LEVEL_POS9	20
#define EQ_LEVEL_POS10	21
#define EQ_LEVEL_POS11	22
#define EQ_LEVEL_POS12 	23
extern char EQ_levels[];
extern char EQ_spectrum[];

/* BEGIN protected EQ variables(used by echo.c)..always declare */
#ifdef EQUALIZER
GBLDEF0(char DAE_mode);
GBLDEF0(char DAE_mode_save);
GBLDEF0(char EQ_mode);                /* EQ_mode_on:
                                       * -1 - No EQ 
                                       *  0 - EQ mode off
                                       *  1 - EQ panel controls
                                       *  2 - EQ spectrum analyzer
                                       */
#else
GBLDEF (char DAE_mode, -1);
GBLDEF (char DAE_mode_save, -1);
GBLDEF (char EQ_mode, -1);
#endif
GBLDEF(char eq_show_volume, 1);		/* data update request flag */
GBLDEF(char eq_change_gain, 1);		/* eq_level changed flag */
GBLDEF (uchar total_vol_levels, 24);

EXPORT uchar       eq_level[];
EXPORT char	   eq_volume[]; /* freq bar volume, for spectrum display */
EXPORT char	   mic_eq_volume[]; /* mic volume, for spectrum display */
EXPORT uchar       eq_env_level[];
EXPORT uchar       eq_person_level[];
EXPORT char        eq_change_gain;
EXPORT char        alpha[];
EXPORT short       DAE_delay[];
/* END protected EQ variables(used by echo.c)..always declare */

#ifdef EQUALIZER /* unprotected EQ variables,i.e. not used by echo.c */ 

typedef struct {
    char *data;
    char sp[13];
    char sp_max[13];
    char sp_shadow[13];
    char sp_max_shadow[13];
} SPECTRUM;


#ifdef MORE_ENV_TYPES
#define TOTAL_EQFX	18
/* Music environment effects */
#define EQFX_NIGHT      0
#define EQFX_STUDIO     1
#define EQFX_STADIUM    2
#define EQFX_MOVIE      3
#define EQFX_GAME       4
#define EQFX_CHURCH     5
#define EQFX_MORNING    6
#define EQFX_CLUB       7
#define EQFX_HALL       8
#define EQFX_PARTY      9

/* Music type effects */
#define EQFX_STANDARD	10
#define EQFX_CLASSIC	11
#define EQFX_JAZZ	12
#define EQFX_ROCK	13
#define EQFX_POPS	14
#define EQFX_BALLAD	15
#define EQFX_DANCE	16
#define EQFX_PERSONAL	17

#else

#define TOTAL_EQFX	14
/* Music environment effects */
#define EQFX_STUDIO     0
#define EQFX_STADIUM    1
#define EQFX_CLUB       2
#define EQFX_MOVIE      3
#define EQFX_CHURCH     4
#define EQFX_HALL       5

/* Music type effects */
#define EQFX_STANDARD	6
#define EQFX_CLASSIC	7 
#define EQFX_JAZZ	8 
#define EQFX_ROCK	9 
#define EQFX_POPS	10
#define EQFX_BALLAD	11
#define EQFX_DANCE	12
#define EQFX_PERSONAL	13
#endif
#if 0 /* no Chinese OSD */
#define EQFX_REGGAE
#define EQFX_SALSA
#define EQFX_OLDIES
#define EQFX_SOUL
#endif
GBLDEF0(uchar EQ_music_type_effect); /* Index of EQ_settings[] */
GBLDEF0(uchar EQ_music_env_effect); /* Index of EQ_settings[] */


#define OSD_EQ_CLEAR		0 /* Clear EQ OSD and put back previous OSD */
#define OSD_EQ_CONTROL		1 /* EQ controls and current EQ settings */
#define OSD_EQ_SPECTRUM		2 /* Display spectrum analyzer */
#define OSD_KSC_SPECTRUM	3 /* Display combo vocal/mic spectrum */
#ifdef KARASC
#define OSD_EQ_LIMIT		OSD_KSC_SPECTRUM
#else
#define OSD_EQ_LIMIT		OSD_EQ_SPECTRUM
#endif KARASC
GBLDEF0(char OSD_eq_mode); 
GBLDEF0(char OSD_eq_mode_previous);

GBLDEF(char EQ_cur_freq , EQ_60HZ);	/* current selected frequency */
GBLDEF(uchar EQ_music_type_effect, EQFX_PERSONAL); /* index of music type effect */ 
GBLDEF(uchar EQ_music_env_effect, EQFX_STANDARD); /* Index of EQ_settings[] */
extern uchar EQ_settings[];
extern uchar *OSD_eqfx_msg[];


#define	EQ_UPDATE_IDLE		0
#define	EQ_UPDATE_SPECTRUM	1
#define	EQ_UPDATE_BACKGROUND	2
#define	EQ_UPDATE_LEVELS	3
#ifdef KARASC
#define	EQ_UPDATE_KSC_SPECTRUM	4
#endif
GBLDEF0(uint EQ_refresh_state);
GBLDEF0(uchar EQ_refresh_cnt);

#endif EQUALIZER


/************************************************************************
 * OSD specific macros
 ************************************************************************/
#ifdef TWO_FIELDS_OSD
#define EQ_SETTINGS		EQ_settings
#else
#define EQ_SETTINGS		T_EQ_settings
#endif

/************************************************************************
 * Exported functions.                                                  *
 ************************************************************************/
void EQ_adj(int, int);
void EQ_show_db(int);
void EQ_display(char);
void EQ_display_setup(char, int);
int EQ_refresh(void);
#endif /* end of _H_EQ_DEF */