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86Box/src/sound/sound.h

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/*
* 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.
*
* Version: @(#)sound.h 1.0.4 2018/02/11
*
* 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)
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 int sound_card_available(int card);
extern char *sound_card_getname(int card);
#ifdef EMU_DEVICE_H
extern 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_realloc_buffers(void);
extern void sound_init(void);
extern void sound_reset(void);
extern void sound_cd_thread_end(void);
extern void sound_cd_thread_reset(void);
extern void closeal(void);
extern void initalmain(int argc, char *argv[]);
extern void inital(void);
extern void givealbuffer(void *buf);
extern void givealbuffer_cd(void *buf);
#endif /*EMU_SOUND_H*/