jcs.org
fork of PCE focusing on macplus, supporting DaynaPort SCSI network emulation
1/*****************************************************************************
2 * pce *
3 *****************************************************************************/
4
5/*****************************************************************************
6 * File name: src/arch/macplus/sound.h *
7 * Created: 2008-04-18 by Hampa Hug <hampa@hampa.ch> *
8 * Copyright: (C) 2008-2010 Hampa Hug <hampa@hampa.ch> *
9 *****************************************************************************/
10
11/*****************************************************************************
12 * This program is free software. You can redistribute it and / or modify it *
13 * under the terms of the GNU General Public License version 2 as published *
14 * by the Free Software Foundation. *
15 * *
16 * This program is distributed in the hope that it will be useful, but *
17 * WITHOUT ANY WARRANTY, without even the implied warranty of *
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General *
19 * Public License for more details. *
20 *****************************************************************************/
21
22
23#ifndef PCE_MACPLUS_SOUND_H
24#define PCE_MACPLUS_SOUND_H 1
25
26
27#include <drivers/sound/sound.h>
28
29
30typedef struct {
31 sound_drv_t *drv;
32
33 const unsigned char *sbuf;
34
35 unsigned idx;
36 unsigned cnt;
37 uint16_t buf[370];
38 unsigned long clk;
39
40 int enable;
41 unsigned volume;
42
43 unsigned long lowpass_freq;
44 sound_iir2_t iir;
45
46 uint16_t last_val;
47 int changed;
48 unsigned silence_cnt;
49} mac_sound_t;
50
51
52void mac_sound_init (mac_sound_t *ms);
53mac_sound_t *mac_sound_new (void);
54
55void mac_sound_free (mac_sound_t *ms);
56void mac_sound_del (mac_sound_t *ms);
57
58void mac_sound_set_sbuf (mac_sound_t *ms, const unsigned char *sbuf);
59
60void mac_sound_set_lowpass (mac_sound_t *ms, unsigned freq);
61
62void mac_sound_set_volume (mac_sound_t *ms, unsigned vol);
63
64void mac_sound_set_enable (mac_sound_t *ms, int on);
65
66int mac_sound_set_driver (mac_sound_t *ms, const char *driver);
67
68void mac_sound_vbl (mac_sound_t *ms);
69
70void mac_sound_clock (mac_sound_t *ms, unsigned long cnt);
71
72
73#endif