1/*
2 *  Copyright 2020, Haiku, Inc. All Rights Reserved.
3 *  Distributed under the terms of the MIT License.
4 */
5#ifndef _GAME_SOUND_DEFS_H
6#define _GAME_SOUND_DEFS_H
7
8
9#include <SupportDefs.h>
10
11
12typedef int32 gs_id;
13
14#define B_GS_CUR_API_VERSION B_BEOS_VERSION
15#define B_GS_MIN_API_VERSION 0x100
16#define B_GS_INVALID_SOUND ((gs_id)-1)
17#define B_GS_MAIN_SOUND ((gs_id)-2)
18
19
20enum {
21	B_GS_BAD_HANDLE = -99999,
22	B_GS_NO_SOUNDS,
23	B_GS_NO_HARDWARE,
24	B_GS_ALREADY_COMMITTED,
25	B_GS_READ_ONLY_VALUE
26};
27
28
29struct gs_audio_format {
30	enum format {
31		B_GS_U8 = 0x11,
32		B_GS_S16 = 0x2,
33		B_GS_F = 0x24,
34		B_GS_S32 = 0x4
35	};
36	float	frame_rate;
37	uint32	channel_count;
38	uint32	format;
39	uint32	byte_order;
40	size_t	buffer_size;
41};
42
43
44enum gs_attributes {
45	B_GS_NO_ATTRIBUTE = 0,
46	B_GS_MAIN_GAIN = 1,
47	B_GS_CD_THROUGH_GAIN,
48	B_GS_GAIN = 128,
49	B_GS_PAN,
50	B_GS_SAMPLING_RATE,
51	B_GS_LOOPING,
52	B_GS_FIRST_PRIVATE_ATTRIBUTE = 90000,
53	B_GS_FIRST_USER_ATTRIBUTE = 100000
54};
55
56
57struct gs_attribute {
58	int32		attribute;
59	bigtime_t	duration;
60	float		value;
61	uint32		flags;
62};
63
64
65struct gs_attribute_info {
66	int32	attribute;
67	float	granularity;
68	float	minimum;
69	float	maximum;
70};
71
72
73#endif
74