root/headers/os/game/GameSoundDefs.h
/*
 *  Copyright 2020, Haiku, Inc. All Rights Reserved.
 *  Distributed under the terms of the MIT License.
 */
#ifndef _GAME_SOUND_DEFS_H
#define _GAME_SOUND_DEFS_H


#include <SupportDefs.h>


typedef int32 gs_id;

#define B_GS_CUR_API_VERSION B_BEOS_VERSION
#define B_GS_MIN_API_VERSION 0x100
#define B_GS_INVALID_SOUND ((gs_id)-1)
#define B_GS_MAIN_SOUND ((gs_id)-2)


enum {
        B_GS_BAD_HANDLE = -99999,
        B_GS_NO_SOUNDS,
        B_GS_NO_HARDWARE,
        B_GS_ALREADY_COMMITTED,
        B_GS_READ_ONLY_VALUE
};


struct gs_audio_format {
        enum format {
                B_GS_U8 = 0x11,
                B_GS_S16 = 0x2,
                B_GS_F = 0x24,
                B_GS_S32 = 0x4
        };
        float   frame_rate;
        uint32  channel_count;
        uint32  format;
        uint32  byte_order;
        size_t  buffer_size;
};


enum gs_attributes {
        B_GS_NO_ATTRIBUTE = 0,
        B_GS_MAIN_GAIN = 1,
        B_GS_CD_THROUGH_GAIN,
        B_GS_GAIN = 128,
        B_GS_PAN,
        B_GS_SAMPLING_RATE,
        B_GS_LOOPING,
        B_GS_FIRST_PRIVATE_ATTRIBUTE = 90000,
        B_GS_FIRST_USER_ATTRIBUTE = 100000
};


struct gs_attribute {
        int32           attribute;
        bigtime_t       duration;
        float           value;
        uint32          flags;
};


struct gs_attribute_info {
        int32   attribute;
        float   granularity;
        float   minimum;
        float   maximum;
};


#endif