/*
 * 86Box    A hypervisor and IBM PC system emulator that specializes in
 *          running old operating systems and software designed for IBM
 *          PC systems and compatibles from 1981 through fairly recent
 *          system designs based on the PCI bus.
 *
 *          This file is part of the 86Box distribution.
 *
 *          Sound emulation core.
 *
 *
 *
 * Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
 *          Miran Grca, <mgrca8@gmail.com>
 *
 *          Copyright 2008-2018 Sarah Walker.
 *          Copyright 2016-2018 Miran Grca.
 */

#ifndef EMU_SOUND_H
#define EMU_SOUND_H

extern int sound_gain;

#define SOUNDBUFLEN (48000 / 50)

#define CD_FREQ     44100
#define CD_BUFLEN   (CD_FREQ / 10)

enum {
    SOUND_NONE = 0,
    SOUND_INTERNAL
};

extern int ppispeakon;
extern int gated,
    speakval,
    speakon;

extern int sound_pos_global;
extern int sound_card_current;

extern void sound_add_handler(void (*get_buffer)(int32_t *buffer,
                                                 int len, void *p),
                              void *p);
extern void sound_set_cd_audio_filter(void (*filter)(int     channel,
                                                     double *buffer, void *p),
                                      void *p);

extern int sound_card_available(int card);
#ifdef EMU_DEVICE_H
extern const device_t *sound_card_getdevice(int card);
#endif
extern int   sound_card_has_config(int card);
extern char *sound_card_get_internal_name(int card);
extern int   sound_card_get_from_internal_name(char *s);
extern void  sound_card_init(void);
extern void  sound_set_cd_volume(unsigned int vol_l, unsigned int vol_r);

extern void sound_speed_changed(void);

extern void sound_init(void);
extern void sound_reset(void);

extern void sound_card_reset(void);

extern void sound_cd_thread_end(void);
extern void sound_cd_thread_reset(void);

extern void closeal(void);
extern void inital(void);
extern void givealbuffer(void *buf);
extern void givealbuffer_cd(void *buf);

#ifdef EMU_DEVICE_H
/* AdLib and AdLib Gold */
extern const device_t adlib_device;
extern const device_t adlib_mca_device;
extern const device_t adgold_device;

/* Aztech Sound Galaxy 16 */
extern const device_t azt2316a_device;
extern const device_t azt1605_device;

/* Ensoniq AudioPCI */
extern const device_t es1371_device;
extern const device_t es1371_onboard_device;

/* Creative Labs Game Blaster */
extern const device_t cms_device;

/* Gravis UltraSound and UltraSound Max */
extern const device_t gus_device;

#    if defined(DEV_BRANCH) && defined(USE_PAS16)
/* Pro Audio Spectrum 16 */
extern const device_t pas16_device;
#    endif

/* IBM PS/1 Audio Card */
extern const device_t ps1snd_device;

/* Tandy PSSJ */
extern const device_t pssj_device;
#    if defined(DEV_BRANCH) && defined(USE_TANDY_ISA)
extern const device_t pssj_isa_device;
extern const device_t tndy_device;
#    endif

/* Creative Labs Sound Blaster */
extern const device_t sb_1_device;
extern const device_t sb_15_device;
extern const device_t sb_mcv_device;
extern const device_t sb_2_device;
extern const device_t sb_pro_v1_device;
extern const device_t sb_pro_v2_device;
extern const device_t sb_pro_mcv_device;
extern const device_t sb_pro_compat_device;
extern const device_t sb_16_device;
extern const device_t sb_16_pnp_device;
extern const device_t sb_16_compat_device;
extern const device_t sb_16_compat_nompu_device;
extern const device_t sb_32_pnp_device;
extern const device_t sb_awe32_device;
extern const device_t sb_awe32_pnp_device;
extern const device_t sb_awe64_value_device;
extern const device_t sb_awe64_device;
extern const device_t sb_awe64_gold_device;

/* Innovation SSI-2001 */
extern const device_t ssi2001_device;

/* Windows Sound System */
extern const device_t wss_device;
extern const device_t ncr_business_audio_device;

/* Crystal CS423x */
extern const device_t cs4235_device;
extern const device_t cs4235_onboard_device;
extern const device_t cs4236b_device;
extern const device_t cs4237b_device;
extern const device_t cs4238b_device;

/* C-Media CMI8x38 */
extern const device_t cmi8338_device;
extern const device_t cmi8338_onboard_device;
extern const device_t cmi8738_device;
extern const device_t cmi8738_onboard_device;
extern const device_t cmi8738_6ch_onboard_device;
#endif

#endif /*EMU_SOUND_H*/