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   源码介绍

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用于录制电脑声音的软件，可自动转为MP3格式。

Attribute VB_Name = "modBass"
'2.4“低音Visual Basic模块
'版权（C）1999-2013 un4seen发展有限公司
'DownLoad By http://www.veryhuo.com
'“看到bass.chm文件更详细的文档
'注意：VB不支持64位的整数，所以VB用户只能访问64位返回值的低32位。64位参数可以指定虽然，使用功能的“64版”。
'注意：使用“strptr（文件名）”通过文件名的bass_musicload，bass_sampleload和bass_streamcreatefile功能。
'注意：使用vbstrfromansiptr函数将“char *“VB”字符串".

Global Const BASSVERSION = &H204    'API版本
Global Const BASSVERSIONTEXT = "2.4"

Global Const BASSTRUE As Long = 1   '用它代替VB布尔值
Global Const BASSFALSE As Long = 0  '用它代替VB布尔值

' 通过bass_errorgetcode返回错误码
Global Const BASS_OK = 0               '都是OK
Global Const BASS_ERROR_MEM = 1        '内存错误
Global Const BASS_ERROR_FILEOPEN = 2   '无法打开文件
Global Const BASS_ERROR_DRIVER = 3     '不能找到一个免费的声音驱动程序
Global Const BASS_ERROR_BUFLOST = 4    'the sample buffer was lost(样品缓冲了)
Global Const BASS_ERROR_HANDLE = 5     '无效的句柄
Global Const BASS_ERROR_FORMAT = 6     '不支持的采样格式
Global Const BASS_ERROR_POSITION = 7   '无效的位置
Global Const BASS_ERROR_INIT = 8       'bass_init初始化尚未成功
Global Const BASS_ERROR_START = 9      'bass_start尚未成功启动
Global Const BASS_ERROR_ALREADY = 14   '已经初始化/暂停/什么
Global Const BASS_ERROR_NOCHAN = 18    '不能得到一个免费频道
Global Const BASS_ERROR_ILLTYPE = 19   '指定了一个非法的类型
Global Const BASS_ERROR_ILLPARAM = 20  '指定了一个非法的参数
Global Const BASS_ERROR_NO3D = 21      '不支持3D
Global Const BASS_ERROR_NOEAX = 22     '没有eax支持
Global Const BASS_ERROR_DEVICE = 23    '非法的设备号
Global Const BASS_ERROR_NOPLAY = 24    '没有播放
Global Const BASS_ERROR_FREQ = 25      '非法的采样率
Global Const BASS_ERROR_NOTFILE = 27   '流不是一个文件流
Global Const BASS_ERROR_NOHW = 29      '没有可用的硬件的声音
Global Const BASS_ERROR_EMPTY = 31     'the MOD音乐有没有序列数据
Global Const BASS_ERROR_NONET = 32     '没有互联网连接，可以打开
Global Const BASS_ERROR_CREATE = 33    '无法创建文件
Global Const BASS_ERROR_NOFX = 34      '效果是不可用
Global Const BASS_ERROR_NOTAVAIL = 37  '请求的数据不可用
Global Const BASS_ERROR_DECODE = 38    '通道是/不是“解码频道”
Global Const BASS_ERROR_DX = 39        '没有安装足够的DirectX版本
Global Const BASS_ERROR_TIMEOUT = 40   '连接超时
Global Const BASS_ERROR_FILEFORM = 41  '不支持的文件格式
Global Const BASS_ERROR_SPEAKER = 42   '不可用扬声器
Global Const BASS_ERROR_VERSION = 43   '无效的低音版本(使用附件)
Global Const BASS_ERROR_CODEC = 44     '编解码器/支持不在
Global Const BASS_ERROR_ENDED = 45     '频道/文件已经结束
Global Const BASS_ERROR_BUSY = 46      '该设备是繁忙的
Global Const BASS_ERROR_UNKNOWN = -1   '其他一些神秘的问题

' BASS_SetConfig选项
Global Const BASS_CONFIG_BUFFER = 0
Global Const BASS_CONFIG_UPDATEPERIOD = 1
Global Const BASS_CONFIG_GVOL_SAMPLE = 4
Global Const BASS_CONFIG_GVOL_STREAM = 5
Global Const BASS_CONFIG_GVOL_MUSIC = 6
Global Const BASS_CONFIG_CURVE_VOL = 7
Global Const BASS_CONFIG_CURVE_PAN = 8
Global Const BASS_CONFIG_FLOATDSP = 9
Global Const BASS_CONFIG_3DALGORITHM = 10
Global Const BASS_CONFIG_NET_TIMEOUT = 11
Global Const BASS_CONFIG_NET_BUFFER = 12
Global Const BASS_CONFIG_PAUSE_NOPLAY = 13
Global Const BASS_CONFIG_NET_PREBUF = 15
Global Const BASS_CONFIG_NET_PASSIVE = 18
Global Const BASS_CONFIG_REC_BUFFER = 19
Global Const BASS_CONFIG_NET_PLAYLIST = 21
Global Const BASS_CONFIG_MUSIC_VIRTUAL = 22
Global Const BASS_CONFIG_VERIFY = 23
Global Const BASS_CONFIG_UPDATETHREADS = 24
Global Const BASS_CONFIG_DEV_BUFFER = 27
Global Const BASS_CONFIG_VISTA_TRUEPOS = 30
Global Const BASS_CONFIG_DEV_DEFAULT = 36
Global Const BASS_CONFIG_NET_READTIMEOUT = 37
Global Const BASS_CONFIG_VISTA_SPEAKERS = 38
Global Const BASS_CONFIG_HANDLES = 41
Global Const BASS_CONFIG_UNICODE = 42
Global Const BASS_CONFIG_SRC = 43
Global Const BASS_CONFIG_SRC_SAMPLE = 44
Global Const BASS_CONFIG_ASYNCFILE_BUFFER = 45
Global Const BASS_CONFIG_OGG_PRESCAN = 47

' BASS_SetConfigPtr备选办法
Global Const BASS_CONFIG_NET_AGENT = 16
Global Const BASS_CONFIG_NET_PROXY = 17

' bass_asio_初始化标识
Global Const BASS_DEVICE_8BITS = 1     '8位分辨率，其他16位
Global Const BASS_DEVICE_MONO = 2      '单，否则立体
Global Const BASS_DEVICE_3D = 4        '启用3D功能
Global Const BASS_DEVICE_LATENCY = &H100 '计算设备延迟（bass_info结构）
Global Const BASS_DEVICE_CPSPEAKERS = &H400 '检测扬声器通过Windows控制面板
Global Const BASS_DEVICE_SPEAKERS = &H800 '力使扬声器分配
Global Const BASS_DEVICE_NOSPEAKER = &O1000 '忽略的扬声器布置

'DirectSound接口（使用bass_getdsoundobject）
Global Const BASS_OBJECT_DS = 1                     ' DirectSound
Global Const BASS_OBJECT_DS3DL = 2                  'IDirectSound3DListener

' 设备信息结构
Type BASS_DEVICEINFO
    name As Long          ' 描述
    driver As Long        ' 驱动程序
    flags As Long
End Type

' bass_deviceinfo标识
Global Const BASS_DEVICE_ENABLED = 1
Global Const BASS_DEVICE_DEFAULT = 2
Global Const BASS_DEVICE_INIT = 4

Type BASS_INFO
    flags As Long         '设备的能力（dscaps_xxx标志）
    hwsize As Long        '总设备硬件的内存大小
    hwfree As Long        '免费设备硬件的内存大小
    freesam As Long       '在硬件上的免费样品槽数
    free3d As Long        '免费的3D样本槽在硬件数字
    minrate As Long       '最小采样率由硬件支持
    maxrate As Long       '硬件支持的最高采样率
    eax As Long           '如果设备支持？（总是bassfalse如果bass_device_3d不使用）
    minbuf As Long        '推荐的最小缓冲区长度在MS（需要bass_device_latency）
    dsver As Long         'DirectSound版
    latency As Long       '延迟（毫秒）开始前播放（需要bass_device_latency）
    initflags As Long     'bass_init“标记”参数
    speakers As Long      '扬声器的数量
    freq As Long          '电流输出率
End Type

' BASS_INFO 标记 (从 DSOUND.H)
Global Const DSCAPS_CONTINUOUSRATE = 16    ' 支持最小/ maxrate之间的所有采样率
Global Const DSCAPS_EMULDRIVER = 32        ' 设备不支持的硬件实现
Global Const DSCAPS_CERTIFIED = 64         ' 设备驱动程序已被证明微软
Global Const DSCAPS_SECONDARYMONO = 256    ' 单
Global Const DSCAPS_SECONDARYSTEREO = 512  ' 立体声
Global Const DSCAPS_SECONDARY8BIT = 1024   ' 8 位
Global Const DSCAPS_SECONDARY16BIT = 2048  ' 16位

'记录装置的信息结构
Type BASS_RECORDINFO
    flags As Long         '设备的能力（dsccaps_xxx标志）
    formats As Long       '支持的标准格式（wave_format_xxx标志）
    inputs As Long        '输入的数量
    singlein As Long      'basstrue = 1输入可在设定的时间
    freq As Long          '电流输入率
End Type

' BASS_RECORDINFO 标识 (从 DSOUND.H)
Global Const DSCCAPS_EMULDRIVER = DSCAPS_EMULDRIVER '设备不支持硬件DirectSound的记录
Global Const DSCCAPS_CERTIFIED = DSCAPS_CERTIFIED   '设备驱动程序已被证明微软

' 定义格式bass_recordinfo领域（从mmsystem.H）
Global Const WAVE_FORMAT_1M08 = &H1          ' 11.025 kHz, 单声道, 8-bit
Global Const WAVE_FORMAT_1S08 = &H2          ' 11.025 kHz, 立体声, 8-bit
Global Const WAVE_FORMAT_1M16 = &H4          ' 11.025 kHz, 单声道, 16-bit
Global Const WAVE_FORMAT_1S16 = &H8          ' 11.025 kHz, 立体声, 16-bit
Global Const WAVE_FORMAT_2M08 = &H10         ' 22.05  kHz, 单声道, 8-bit
Global Const WAVE_FORMAT_2S08 = &H20         ' 22.05  kHz, 立体声, 8-bit
Global Const WAVE_FORMAT_2M16 = &H40         ' 22.05  kHz, 单声道, 16-bit
Global Const WAVE_FORMAT_2S16 = &H80         ' 22.05  kHz, 立体声, 16-bit
Global Const WAVE_FORMAT_4M08 = &H100        ' 44.1   kHz, 单声道, 8-bit
Global Const WAVE_FORMAT_4S08 = &H200        ' 44.1   kHz, 立体声, 8-bit
Global Const WAVE_FORMAT_4M16 = &H400        ' 44.1   kHz, 单声道, 16-bit
Global Const WAVE_FORMAT_4S16 = &H800        ' 44.1   kHz, 立体声, 16-bit

'样品信息结构
Type BASS_SAMPLE
    freq As Long          '默认的播放速度
    volume As Single      '缺省音量(0-100)
    pan As Single         '缺省pan (-100=左, 0=中, 100=右)
    flags As Long         '低音_样品_ XXX标识
    length As Long        '长度（样品中，不是字节）
    max As Long           '最大同时播放
    origres As Long       '原始分辨率
    chans As Long         '通道数
    mingap As Long        '最小间隙（MS）之间建立通道
    mode3d As Long        'bass_3dmode_xxx模式
    mindist As Single     '最小距离
    MAXDIST As Single     '最大距离
    iangle As Long        '投影内锥角
    oangle As Long        '外投影锥角
    outvol As Single      ' delta-volume outside the projection cone
    vam As Long           '声音分配/管理标识(BASS_VAM_xxx)
    priority As Long      '优先级(0 =最低,&Hffffffff =最高)
End Type

Global Const BASS_SAMPLE_8BITS = 1          ' 8 位
Global Const BASS_SAMPLE_FLOAT = 256        ' 32位浮点数
Global Const BASS_SAMPLE_MONO = 2           '单声道
Global Const BASS_SAMPLE_LOOP = 4           ' 循环的
Global Const BASS_SAMPLE_3D = 8             ' 3D功能
Global Const BASS_SAMPLE_SOFTWARE = 16      ' 不使用硬件混合
Global Const BASS_SAMPLE_MUTEMAX = 32       ' 静音在最大距离（仅仅3D）
Global Const BASS_SAMPLE_VAM = 64           ' DX7声音分配与管理
Global Const BASS_SAMPLE_FX = 128           '老implementation of DX8效应
Global Const BASS_SAMPLE_OVER_VOL = &H10000 ' 最小体积参数
Global Const BASS_SAMPLE_OVER_POS = &H20000 ' override longest playing
Global Const BASS_SAMPLE_OVER_DIST = &H30000 '覆盖最远的听众（3D）
Global Const BASS_STREAM_PRESCAN = &H20000   ' enable pin-point seeking/length (MP3/MP2/MP1)
Global Const BASS_MP3_SETPOS = BASS_STREAM_PRESCAN
Global Const BASS_STREAM_AUTOFREE = &H40000 ' 自由流时自动停止/结束
Global Const BASS_STREAM_RESTRATE = &H80000 ' 限制互联网文件流下载率
Global Const BASS_STREAM_BLOCK = &H100000   ' 下载/小块发挥互联网文件流
Global Const BASS_STREAM_DECODE = &H200000  '不播放流，只解码（bass_channelgetdata）
Global Const BASS_STREAM_STATUS = &H800000  ' 给服务器状态信息（HTTP /ICY标签）下载程序

Global Const BASS_MUSIC_FLOAT = BASS_SAMPLE_FLOAT
Global Const BASS_MUSIC_MONO = BASS_SAMPLE_MONO
Global Const BASS_MUSIC_LOOP = BASS_SAMPLE_LOOP
Global Const BASS_MUSIC_3D = BASS_SAMPLE_3D
Global Const BASS_MUSIC_FX = BASS_SAMPLE_FX
Global Const BASS_MUSIC_AUTOFREE = BASS_STREAM_AUTOFREE
Global Const BASS_MUSIC_DECODE = BASS_STREAM_DECODE
Global Const BASS_MUSIC_PRESCAN = BASS_STREAM_PRESCAN '播放长度计算
Global Const BASS_MUSIC_CALCLEN = BASS_MUSIC_PRESCAN
Global Const BASS_MUSIC_RAMP = &H200        '正常的斜坡
Global Const BASS_MUSIC_RAMPS = &H400       '敏感的斜坡
Global Const BASS_MUSIC_SURROUND = &H800    '环绕声
Global Const BASS_MUSIC_SURROUND2 = &H1000  '环绕声（模式2）
Global Const BASS_MUSIC_FT2MOD = &H2000     '播放MOD为FastTracker 2。
Global Const BASS_MUSIC_PT1MOD = &H4000     ' play .MOD as ProTracker 1 does
Global Const BASS_MUSIC_NONINTER = &H10000  ' 非插值样混合
Global Const BASS_MUSIC_SINCINTER = &H800000 'sinc插值样混合
Global Const BASS_MUSIC_POSRESET = 32768  ' 停止所有的笔记时，移动位置
Global Const BASS_MUSIC_POSRESETEX = &H400000 '停止所有的笔记和复位BMP /等移动时的位置
Global Const BASS_MUSIC_STOPBACK = &H80000  ' 停在一个向后跳效果的音乐
Global Const BASS_MUSIC_NOSAMPLE = &H100000 ' 不加载的样品

'扬声器分配的标识
Global Const BASS_SPEAKER_FRONT = &H1000000 '前置扬声器
Global Const BASS_SPEAKER_REAR = &H2000000  '后面/侧面扬声器
Global Const BASS_SPEAKER_CENLFE = &H3000000 '中心与speakers低频效果（5.1）
Global Const BASS_SPEAKER_REAR2 = &H4000000 '后中心扬声器（7.1）
Global Const BASS_SPEAKER_LEFT = &H10000000 '改性剂：左
Global Const BASS_SPEAKER_RIGHT = &H20000000 '改性剂：右
Global Const BASS_SPEAKER_FRONTLEFT = BASS_SPEAKER_FRONT Or BASS_SPEAKER_LEFT
Global Const BASS_SPEAKER_FRONTRIGHT = BASS_SPEAKER_FRONT Or BASS_SPEAKER_RIGHT
Global Const BASS_SPEAKER_REARLEFT = BASS_SPEAKER_REAR Or BASS_SPEAKER_LEFT
Global Const BASS_SPEAKER_REARRIGHT = BASS_SPEAKER_REAR Or BASS_SPEAKER_RIGHT
Global Const BASS_SPEAKER_CENTER = BASS_SPEAKER_CENLFE Or BASS_SPEAKER_LEFT
Global Const BASS_SPEAKER_LFE = BASS_SPEAKER_CENLFE Or BASS_SPEAKER_RIGHT
Global Const BASS_SPEAKER_REAR2LEFT = BASS_SPEAKER_REAR2 Or BASS_SPEAKER_LEFT
Global Const BASS_SPEAKER_REAR2RIGHT = BASS_SPEAKER_REAR2 Or BASS_SPEAKER_RIGHT

Global Const BASS_ASYNCFILE = &H40000000
Global Const BASS_UNICODE = &H80000000

Global Const BASS_RECORD_PAUSE = 32768 '开始录制暂停

'分配标识DX7的声音
Global Const BASS_VAM_HARDWARE = 1
Global Const BASS_VAM_SOFTWARE = 2
Global Const BASS_VAM_TERM_TIME = 4
Global Const BASS_VAM_TERM_DIST = 8
Global Const BASS_VAM_TERM_PRIO = 16

'通道信息结构
Type BASS_CHANNELINFO
    freq As Long          ' 默认的播放速度
    chans As Long         ' 通道
    flags As Long         ' bass_sample /流/音乐/扬声器的标识
    ctype As Long         ' 通道类型
    origres As Long       ' 原始分辨率
    plugin As Long        ' 插件
    sample As Long        ' 取样
    filename As Long      ' 文件名
End Type

'低音_ channelinfo类型
Global Const BASS_CTYPE_SAMPLE = 1
Global Const BASS_CTYPE_RECORD = 2
Global Const BASS_CTYPE_STREAM = &H10000
Global Const BASS_CTYPE_STREAM_OGG = &H10002
Global Const BASS_CTYPE_STREAM_MP1 = &H10003
Global Const BASS_CTYPE_STREAM_MP2 = &H10004
Global Const BASS_CTYPE_STREAM_MP3 = &H10005
Global Const BASS_CTYPE_STREAM_AIFF = &H10006
Global Const BASS_CTYPE_STREAM_WAV = &H40000   '波标识，低=编解码器
Global Const BASS_CTYPE_STREAM_WAV_PCM = &H50001
Global Const BASS_CTYPE_STREAM_WAV_FLOAT = &H50003
Global Const BASS_CTYPE_MUSIC_MOD = &H20000
Global Const BASS_CTYPE_MUSIC_MTM = &H20001
Global Const BASS_CTYPE_MUSIC_S3M = &H20002
Global Const BASS_CTYPE_MUSIC_XM = &H20003
Global Const BASS_CTYPE_MUSIC_IT = &H20004
Global Const BASS_CTYPE_MUSIC_MO3 = &H100    ' MO3 标识

Type BASS_PLUGINFORM
    ctype As Long         ' 通道类型
    name As Long          ' 格式描述
    exts As Long          ' 文件扩展名的过滤器（*.EXT1；*.Ext2；等）
End Type

Type BASS_PLUGININFO
    Version As Long       '版本（相同的形态有低音_ getversion）
    formatc As Long       '数字格式
    formats As Long       '格式的数组
End Type

'三维向量（三维位置/速度/方向）
Type BASS_3DVECTOR
    X As Single           '  =right, -=left
    Y As Single           '  =up, -=down
    z As Single           '  =前面，-=后面
End Type

' 三维通道模式
Global Const BASS_3DMODE_NORMAL = 0     '正常的3D处理
Global Const BASS_3DMODE_RELATIVE = 1   '位置是相对于听众
Global Const BASS_3DMODE_OFF = 2        '没有3D处理

'软件的三维混合算法（用于bass_config_3dalgorithm）
Global Const BASS_3DALG_DEFAULT = 0
Global Const BASS_3DALG_OFF = 1
Global Const BASS_3DALG_FULL = 2
Global Const BASS_3DALG_LIGHT = 3

'如果环境，使用bass_seteaxparameters
Global Const EAX_ENVIRONMENT_GENERIC = 0
Global Const EAX_ENVIRONMENT_PADDEDCELL = 1
Global Const EAX_ENVIRONMENT_ROOM = 2
Global Const EAX_ENVIRONMENT_BATHROOM = 3
Global Const EAX_ENVIRONMENT_LIVINGROOM = 4
Global Const EAX_ENVIRONMENT_STONEROOM = 5
Global Const EAX_ENVIRONMENT_AUDITORIUM = 6
Global Const EAX_ENVIRONMENT_CONCERTHALL = 7
Global Const EAX_ENVIRONMENT_CAVE = 8
Global Const EAX_ENVIRONMENT_ARENA = 9
Global Const EAX_ENVIRONMENT_HANGAR = 10
Global Const EAX_ENVIRONMENT_CARPETEDHALLWAY = 11
Global Const EAX_ENVIRONMENT_HALLWAY = 12
Global Const EAX_ENVIRONMENT_STONECORRIDOR = 13
Global Const EAX_ENVIRONMENT_ALLEY = 14
Global Const EAX_ENVIRONMENT_FOREST = 15
Global Const EAX_ENVIRONMENT_CITY = 16
Global Const EAX_ENVIRONMENT_MOUNTAINS = 17
Global Const EAX_ENVIRONMENT_QUARRY = 18
Global Const EAX_ENVIRONMENT_PLAIN = 19
Global Const EAX_ENVIRONMENT_PARKINGLOT = 20
Global Const EAX_ENVIRONMENT_SEWERPIPE = 21
Global Const EAX_ENVIRONMENT_UNDERWATER = 22
Global Const EAX_ENVIRONMENT_DRUGGED = 23
Global Const EAX_ENVIRONMENT_DIZZY = 24
Global Const EAX_ENVIRONMENT_PSYCHOTIC = 25
Global Const EAX_ENVIRONMENT_COUNT = 26 '环境总人数

Global Const BASS_STREAMPROC_END = &H80000000 ' 最终用户流的标识

'特别streamprocs
Global Const STREAMPROC_DUMMY = 0 ' “虚拟”流
Global Const STREAMPROC_PUSH = -1 ' push 流

'bass_streamcreatefileuser文件系统
Global Const STREAMFILE_NOBUFFER = 0
Global Const STREAMFILE_BUFFER = 1
Global Const STREAMFILE_BUFFERPUSH = 2

Type BASS_FILEPROCS
    close As Long
    length As Long
    read As Long
    seek As Long
End Type

' BASS_StreamPutFileData options
Global Const BASS_FILEDATA_END = 0 ' end & close the file

' BASS_StreamGetFilePosition模式
Global Const BASS_FILEPOS_CURRENT = 0
Global Const BASS_FILEPOS_DECODE = BASS_FILEPOS_CURRENT
Global Const BASS_FILEPOS_DOWNLOAD = 1
Global Const BASS_FILEPOS_END = 2
Global Const BASS_FILEPOS_START = 3
Global Const BASS_FILEPOS_CONNECTED = 4
Global Const BASS_FILEPOS_BUFFER = 5

' BASS_ChannelSetSync 类型
Global Const BASS_SYNC_POS = 0
Global Const BASS_SYNC_END = 2
Global Const BASS_SYNC_META = 4
Global Const BASS_SYNC_SLIDE = 5
Global Const BASS_SYNC_STALL = 6
Global Const BASS_SYNC_DOWNLOAD = 7
Global Const BASS_SYNC_FREE = 8
Global Const BASS_SYNC_SETPOS = 11
Global Const BASS_SYNC_MUSICPOS = 10
Global Const BASS_SYNC_MUSICINST = 1
Global Const BASS_SYNC_MUSICFX = 3
Global Const BASS_SYNC_OGG_CHANGE = 12
Global Const BASS_SYNC_MIXTIME = &H40000000 ' 标识：同步在mixtime，别人在玩的时候
Global Const BASS_SYNC_ONETIME = &H80000000 ' 标识:同步只有一次，else不断

' BASS_ChannelIsActive返回值
Global Const BASS_ACTIVE_STOPPED = 0
Global Const BASS_ACTIVE_PLAYING = 1
Global Const BASS_ACTIVE_STALLED = 2
Global Const BASS_ACTIVE_PAUSED = 3

'信道属性
Global Const BASS_ATTRIB_FREQ = 1
Global Const BASS_ATTRIB_VOL = 2
Global Const BASS_ATTRIB_PAN = 3
Global Const BASS_ATTRIB_EAXMIX = 4
Global Const BASS_ATTRIB_NOBUFFER = 5
Global Const BASS_ATTRIB_CPU = 7
Global Const BASS_ATTRIB_SRC = 8
Global Const BASS_ATTRIB_MUSIC_AMPLIFY = &H100
Global Const BASS_ATTRIB_MUSIC_PANSEP = &H101
Global Const BASS_ATTRIB_MUSIC_PSCALER = &H102
Global Const BASS_ATTRIB_MUSIC_BPM = &H103
Global Const BASS_ATTRIB_MUSIC_SPEED = &H104
Global Const BASS_ATTRIB_MUSIC_VOL_GLOBAL = &H105
Global Const BASS_ATTRIB_MUSIC_VOL_CHAN = &H200 '   通道 #
Global Const BASS_ATTRIB_MUSIC_VOL_INST = &H300 '   仪器 #

' BASS_ChannelGetData标识
Global Const BASS_DATA_AVAILABLE = 0         ' 查询多少数据缓冲
Global Const BASS_DATA_FLOAT = &H40000000    ' 标识：返回浮点样本数据
Global Const BASS_DATA_FFT256 = &H80000000   ' 256 采样FFT
Global Const BASS_DATA_FFT512 = &H80000001   ' 512 FFT
Global Const BASS_DATA_FFT1024 = &H80000002  ' 1024 FFT
Global Const BASS_DATA_FFT2048 = &H80000003  ' 2048 FFT
Global Const BASS_DATA_FFT4096 = &H80000004  ' 4096 FFT
Global Const BASS_DATA_FFT8192 = &H80000005  ' 8192 FFT
Global Const BASS_DATA_FFT16384 = &H80000006 ' 16384 FFT
Global Const BASS_DATA_FFT_INDIVIDUAL = &H10 ' FFT标识:FFT每个通道，其他的所有组合
Global Const BASS_DATA_FFT_NOWINDOW = &H20   ' FFT标识: no Hanning window
Global Const BASS_DATA_FFT_REMOVEDC = &H40   ' FFT标识: 预消除直流BIA
Global Const BASS_DATA_FFT_COMPLEX = &H80    ' FFT标识: 返回复杂的数据

' “bass_channelgettags类型：什么是返回
Global Const BASS_TAG_ID3 = 0                ' ID3v1标识 : TAG_ID3 结构
Global Const BASS_TAG_ID3V2 = 1              ' ID3v2标识 : 可变长度块
Global Const BASS_TAG_OGG = 2                ' ogg注释：空终止UTF-8字符串系列
Global Const BASS_TAG_HTTP = 3               ' http 头域：ANSI字符串空端系列）
Global Const BASS_TAG_ICY = 4                ' ICY 头域 :ANSI字符串空端系列）
Global Const BASS_TAG_META = 5               ' ICY 元数据：ANSI字符串
Global Const BASS_TAG_APE = 6                ' APEv2 标签：空终止UTF-8字符串系列
Global Const BASS_TAG_MP4 = 7                ' MP4/iTunes元数据：空终止UTF-8字符串系列
Global Const BASS_TAG_VENDOR = 9             ' OGG 编码器：UTF-8字符串
Global Const BASS_TAG_LYRICS3 = 10           ' Lyric3v2 标签：ASCII字符串
Global Const BASS_TAG_CA_CODEC = 11          ' coreaudio编解码器的信息：tag_ca_codec结构
Global Const BASS_TAG_MF = 13                ' Media Foundation Series of标签：零终止UTF-8字符串
Global Const BASS_TAG_WAVEFORMAT = 14        '波的形式：waveformateex结构
Global Const BASS_TAG_RIFF_INFO = &H100      ' RIFF "INFO"标签：空终止的ANSI字符串系列
Global Const BASS_TAG_RIFF_BEXT = &H101      ' RIFF/BWF "bext" 标签 : TAG_BEXT 状态
Global Const BASS_TAG_RIFF_CART = &H102      ' RIFF/BWF "cart" 标签 : TAG_CART 状态
Global Const BASS_TAG_RIFF_DISP = &H103      ' RIFF "DISP" text 标签 : ANSI 字符
Global Const BASS_TAG_APE_BINARY = &H1000    '   index #, binary APEv2 tag : TAG_APE_二进制结构
Global Const BASS_TAG_MUSIC_NAME = &H10000   ' MOD 音乐文件 : ANSI 字符
Global Const BASS_TAG_MUSIC_ORDERS = &H10002 ' mod列表：字节阵列模式的阶数
Global Const BASS_TAG_MUSIC_MESSAGE = &H10001 ' 国防部消息：ANSI字符串
Global Const BASS_TAG_MUSIC_INST = &H10100   '   instrument #, MOD instrument name : ANSI string
Global Const BASS_TAG_MUSIC_SAMPLE = &H10300 '   sample #, MOD sample name : ANSI string

' ID3v1 标签结构
Type TAG_ID3
    id As String * 3
    title As String * 30
    artist As String * 30
    album As String * 30
    year As String * 4
    comment As String * 30
    genre As Byte
End Type

'二进制APEv2标签结构
Type TAG_APE_BINARY
    key As Long
    data As Long
    length As Long
End Type

' BWF "bext" 结构
Type TAG_BEXT
    Description As String * 256         '描述
    Originator As String * 32           '的人的姓名
    OriginatorReference As String * 32  '发起人的参考
    OriginationDate As String * 10      '创建日期（yyyy-mm-dd）
    OriginationTime As String * 8       '创建时间(hh-mm-ss)
    TimeReferenceLo As Long             '第一个样本数的低32位自从（小端）
    TimeReferenceHi As Long             '高32位的第一样本数自从（小端）
    Version As Integer                  ' BWF version (little-endian)
    UMID(0 To 63) As Byte               ' SMPTE UMID
    Reserved(0 To 189) As Byte
    CodingHistory() As String           '历史
End Type

'bass_channelgetlength / getposition /位置模式
Global Const BASS_POS_BYTE = 0          ' 字节的位置
Global Const BASS_POS_MUSIC_ORDER = 1   ' order.row位置，进行（订单，行）
Global Const BASS_POS_OGG = 3           ' Ogg码流数
Global Const BASS_POS_DECODE = &H10000000 ' 标记：得到的解码（不是在播放）的位置
Global Const BASS_POS_DECODETO = &H20000000 '标识:解码的位置,而不是寻求

' BASS_RecordSetInput 标识
Global Const BASS_INPUT_OFF = &H10000
Global Const BASS_INPUT_ON = &H20000

Global Const BASS_INPUT_TYPE_MASK = &HFF000000
Global Const BASS_INPUT_TYPE_UNDEF = &H0
Global Const BASS_INPUT_TYPE_DIGITAL = &H1000000
Global Const BASS_INPUT_TYPE_LINE = &H2000000
Global Const BASS_INPUT_TYPE_MIC = &H3000000
Global Const BASS_INPUT_TYPE_SYNTH = &H4000000
Global Const BASS_INPUT_TYPE_CD = &H5000000
Global Const BASS_INPUT_TYPE_PHONE = &H6000000
Global Const BASS_INPUT_TYPE_SPEAKER = &H7000000
Global Const BASS_INPUT_TYPE_WAVE = &H8000000
Global Const BASS_INPUT_TYPE_AUX = &H9000000
Global Const BASS_INPUT_TYPE_ANALOG = &HA000000

'DX8效应类型,使用BASS_ChannelSetFX
Global Const BASS_FX_DX8_CHORUS = 0
Global Const BASS_FX_DX8_COMPRESSOR = 1
Global Const BASS_FX_DX8_DISTORTION = 2
Global Const BASS_FX_DX8_ECHO = 3
Global Const BASS_FX_DX8_FLANGER = 4
Global Const BASS_FX_DX8_GARGLE = 5
Global Const BASS_FX_DX8_I3DL2REVERB = 6
Global Const BASS_FX_DX8_PARAMEQ = 7
Global Const BASS_FX_DX8_REVERB = 8

Type BASS_DX8_CHORUS
    fWetDryMix As Single
    fDepth As Single
    fFeedback As Single
    fFrequency As Single
    lWaveform As Long   '0 =三角形，1 =正弦
    fDelay As Single
    lPhase As Long              ' BASS_DX8_PHASE_xxx
End Type

Type BASS_DX8_COMPRESSOR
    fGain As Single
    fAttack As Single
    fRelease As Single
    fThreshold As Single
    fRatio As Single
    fPredelay As Single
End Type

Type BASS_DX8_DISTORTION
    fGain As Single
    fEdge As Single
    fPostEQCenterFrequency As Single
    fPostEQBandwidth As Single
    fPreLowpassCutoff As Single
End Type

Type BASS_DX8_ECHO
    fWetDryMix As Single
    fFeedback As Single
    fLeftDelay As Single
    fRightDelay As Single
    lPanDelay As Long
End Type

Type BASS_DX8_FLANGER
    fWetDryMix As Single
    fDepth As Single
    fFeedback As Single
    fFrequency As Single
    lWaveform As Long     '0 =三角形，1 =正弦
    fDelay As Single
    lPhase As Long              ' BASS_DX8_PHASE_xxx
End Type

Type BASS_DX8_GARGLE
    dwRateHz As Long               ' 在频率调制方式
    dwWaveShape As Long            ' 0 =三角形，1 =平方
End Type

Type BASS_DX8_I3DL2REVERB
    lRoom As Long                    ' [-10000, 0]      default: -1000 mB
    lRoomHF As Long                  ' [-10000, 0]      default: 0 mB
    flRoomRolloffFactor As Single    ' [0.0, 10.0]      default: 0.0
    flDecayTime As Single            ' [0.1, 20.0]      default: 1.49s
    flDecayHFRatio As Single         ' [0.1, 2.0]       default: 0.83
    lReflections As Long             ' [-10000, 1000]   default: -2602 mB
    flReflectionsDelay As Single     ' [0.0, 0.3]       default: 0.007 s
    lReverb As Long                  ' [-10000, 2000]   default: 200 mB
    flReverbDelay As Single          ' [0.0, 0.1]       default: 0.011 s
    flDiffusion As Single            ' [0.0, 100.0]     default: 100.0 %
    flDensity As Single              ' [0.0, 100.0]     default: 100.0 %
    flHFReference As Single          ' [20.0, 20000.0]  default: 5000.0 Hz
End Type

Type BASS_DX8_PARAMEQ
    fCenter As Single
    fBandwidth As Single
    fGain As Single
End Type

Type BASS_DX8_REVERB
    fInGain As Single                ' [-96.0,0.0]            default: 0.0 dB
    fReverbMix As Single             ' [-96.0,0.0]            default: 0.0 db
    fReverbTime As Single            ' [0.001,3000.0]         default: 1000.0 ms
    fHighFreqRTRatio As Single       ' [0.001,0.999]          default: 0.001
End Type

Global Const BASS_DX8_PHASE_NEG_180 = 0
Global Const BASS_DX8_PHASE_NEG_90 = 1
Global Const BASS_DX8_PHASE_ZERO = 2
Global Const BASS_DX8_PHASE_90 = 3
Global Const BASS_DX8_PHASE_180 = 4

Type GUID       '用bass_init使用varptr（GUID）在CLSID参数
    Data1 As Long
    Data2 As Integer
    Data3 As Integer
    Data4(0 To 7) As Byte
End Type


Declare Function BASS_SetConfig Lib "bass.dll" (ByVal opt As Long, ByVal value As Long) As Long
Declare Function BASS_GetConfig Lib "bass.dll" (ByVal opt As Long) As Long
Declare Function BASS_SetConfigPtr Lib "bass.dll" (ByVal opt As Long, ByVal value As Any) As Long
Declare Function BASS_GetConfigPtr Lib "bass.dll" (ByVal opt As Long) As Long
Declare Function BASS_GetVersion Lib "bass.dll" () As Long
Declare Function BASS_ErrorGetCode Lib "bass.dll" () As Long
Declare Function BASS_GetDeviceInfo Lib "bass.dll" (ByVal device As Long, ByRef info As BASS_DEVICEINFO) As Long
Declare Function BASS_Init Lib "bass.dll" (ByVal device As Long, ByVal freq As Long, ByVal flags As Long, ByVal win As Long, ByVal clsid As Long) As Long
Declare Function BASS_SetDevice Lib "bass.dll" (ByVal device As Long) As Long
Declare Function BASS_GetDevice Lib "bass.dll" () As Long
Declare Function BASS_Free Lib "bass.dll" () As Long
Declare Function BASS_GetDSoundObject Lib "bass.dll" (ByVal object As Long) As Long
Declare Function BASS_GetInfo Lib "bass.dll" (ByRef info As BASS_INFO) As Long
Declare Function BASS_Update Lib "bass.dll" (ByVal legnth As Long) As Long
Declare Function BASS_GetCPU Lib "bass.dll" () As Single
Declare Function BASS_Start Lib "bass.dll" () As Long
Declare Function BASS_Stop Lib "bass.dll" () As Long
Declare Function BASS_Pause Lib "bass.dll" () As Long
Declare Function BASS_SetVolume Lib "bass.dll" (ByVal volume As Single) As Long
Declare Function BASS_GetVolume Lib "bass.dll" () As Single

Declare Function BASS_PluginLoad Lib "bass.dll" (ByVal filename As String, ByVal flags As Long) As Long
Declare Function BASS_PluginFree Lib "bass.dll" (ByVal handle As Long) As Long
Declare Function BASS_PluginGetInfo_ Lib "bass.dll" Alias "BASS_PluginGetInfo" (ByVal handle As Long) As Long

Declare Function BASS_Set3DFactors Lib "bass.dll" (ByVal distf As Single, ByVal rollf As Single, ByVal doppf As Single) As Long
Declare Function BASS_Get3DFactors Lib "bass.dll" (ByRef distf As Single, ByRef rollf As Single, ByRef doppf As Single) As Long
Declare Function BASS_Set3DPosition Lib "bass.dll" (ByRef pos As Any, ByRef vel As Any, ByRef front As Any, ByRef top As Any) As Long
Declare Function BASS_Get3DPosition Lib "bass.dll" (ByRef pos As Any, ByRef vel As Any, ByRef front As Any, ByRef top As Any) As Long
Declare Function BASS_Apply3D Lib "bass.dll" () As Long
Declare Function BASS_SetEAXParameters Lib "bass.dll" (ByVal env As Long, ByVal vol As Single, ByVal decay As Single, ByVal damp As Single) As Long
Declare Function BASS_GetEAXParameters Lib "bass.dll" (ByRef env As Long, ByRef vol As Single, ByRef decay As Single, ByRef damp As Single) As Long

Declare Function BASS_MusicLoad64 Lib "bass.dll" Alias "BASS_MusicLoad" (ByVal mem As Long, ByVal file As Any, ByVal offset As Long, ByVal offsethigh As Long, ByVal length As Long, ByVal flags As Long, ByVal freq As Long) As Long
Declare Function BASS_MusicFree Lib "bass.dll" (ByVal handle As Long) As Long

Declare Function BASS_SampleLoad64 Lib "bass.dll" Alias "BASS_SampleLoad" (ByVal mem As Long, ByVal file As Any, ByVal offset As Long, ByVal offsethigh As Long, ByVal length As Long, ByVal max As Long, ByVal flags As Long) As Long
Declare Function BASS_SampleCreate Lib "bass.dll" (ByVal length As Long, ByVal freq As Long, ByVal chans As Long, ByVal max As Long, ByVal flags As Long) As Long
Declare Function BASS_SampleFree Lib "bass.dll" (ByVal handle As Long) As Long
Declare Function BASS_SampleSetData Lib "bass.dll" (ByVal handle As Long, ByRef buffer As Any) As Long
Declare Function BASS_SampleGetData Lib "bass.dll" (ByVal handle As Long, ByRef buffer As Any) As Long
Declare Function BASS_SampleGetInfo Lib "bass.dll" (ByVal handle As Long, ByRef info As BASS_SAMPLE) As Long
Declare Function BASS_SampleSetInfo Lib "bass.dll" (ByVal handle As Long, ByRef info As BASS_SAMPLE) As Long
Declare Function BASS_SampleGetChannel Lib "bass.dll" (ByVal handle As Long, ByVal onlynew As Long) As Long
Declare Function BASS_SampleGetChannels Lib "bass.dll" (ByVal handle As Long, ByRef channels As Long) As Long
Declare Function BASS_SampleStop Lib "bass.dll" (ByVal handle As Long) As Long

Declare Function BASS_StreamCreate Lib "bass.dll" (ByVal freq As Long, ByVal chans As Long, ByVal flags As Long, ByVal proc As Long, ByVal user As Long) As Long
Declare Function BASS_StreamCreateFile64 Lib "bass.dll" Alias "BASS_StreamCreateFile" (ByVal mem As Long, ByVal file As Any, ByVal offset As Long, ByVal offsethigh As Long, ByVal length As Long, ByVal lengthhigh As Long, ByVal flags As Long) As Long
Declare Function BASS_StreamCreateURL Lib "bass.dll" (ByVal url As String, ByVal offset As Long, ByVal flags As Long, ByVal proc As Long, ByVal user As Long) As Long
Declare Function BASS_StreamCreateFileUser Lib "bass.dll" (ByVal system As Long, ByVal flags As Long, ByVal procs As Long, ByVal user As Long) As Long
Declare Function BASS_StreamFree Lib "bass.dll" (ByVal handle As Long) As Long
Declare Function BASS_StreamGetFilePosition Lib "bass.dll" (ByVal handle As Long, ByVal mode As Long) As Long
Declare Function BASS_StreamPutData Lib "bass.dll" (ByVal handle As Long, ByRef buffer As Any, ByVal length As Long) As Long
Declare Function BASS_StreamPutFileData Lib "bass.dll" (ByVal handle As Long, ByRef buffer As Any, ByVal length As Long) As Long

Declare Function BASS_RecordGetDeviceInfo Lib "bass.dll" (ByVal device As Long, ByRef info As BASS_DEVICEINFO) As Long
Declare Function BASS_RecordInit Lib "bass.dll" (ByVal device As Long) As Long
Declare Function BASS_RecordSetDevice Lib "bass.dll" (ByVal device As Long) As Long
Declare Function BASS_RecordGetDevice Lib "bass.dll" () As Long
Declare Function BASS_RecordFree Lib "bass.dll" () As Long
Declare Function BASS_RecordGetInfo Lib "bass.dll" (ByRef info As BASS_RECORDINFO) As Long
Declare Function BASS_RecordGetInputName Lib "bass.dll" (ByVal inputn As Long) As Long
Declare Function BASS_RecordSetInput Lib "bass.dll" (ByVal inputn As Long, ByVal flags As Long, ByVal volume As Single) As Long
Declare Function BASS_RecordGetInput Lib "bass.dll" (ByVal inputn As Long, ByRef volume As Single) As Long
Declare Function BASS_RecordStart Lib "bass.dll" (ByVal freq As Long, ByVal chans As Long, ByVal flags As Long, ByVal proc As Long, ByVal user As Long) As Long

Declare Function BASS_ChannelBytes2Seconds64 Lib "bass.dll" Alias "BASS_ChannelBytes2Seconds" (ByVal handle As Long, ByVal pos As Long, ByVal poshigh As Long) As Double
Declare Function BASS_ChannelSeconds2Bytes Lib "bass.dll" (ByVal handle As Long, ByVal pos As Double) As Long
Declare Function BASS_ChannelGetDevice Lib "bass.dll" (ByVal handle As Long) As Long
Declare Function BASS_ChannelSetDevice Lib "bass.dll" (ByVal handle As Long, ByVal device As Long) As Long
Declare Function BASS_ChannelIsActive Lib "bass.dll" (ByVal handle As Long) As Long
Declare Function BASS_ChannelGetInfo Lib "bass.dll" (ByVal handle As Long, ByRef info As BASS_CHANNELINFO) As Long
Declare Function BASS_ChannelGetTags Lib "bass.dll" (ByVal handle As Long, ByVal tags As Long) As Long
Declare Function BASS_ChannelFlags Lib "bass.dll" (ByVal handle As Long, ByVal flags As Long, ByVal mask As Long) As Long
Declare Function BASS_ChannelUpdate Lib "bass.dll" (ByVal handle As Long, ByVal length As Long) As Long
Declare Function BASS_ChannelLock Lib "bass.dll" (ByVal handle As Long, ByVal lock_ As Long) As Long
Declare Function BASS_ChannelPlay Lib "bass.dll" (ByVal handle As Long, ByVal restart As Long) As Long
Declare Function BASS_ChannelStop Lib "bass.dll" (ByVal handle As Long) As Long
Declare Function BASS_ChannelPause Lib "bass.dll" (ByVal handle As Long) As Long
Declare Function BASS_ChannelSetAttribute Lib "bass.dll" (ByVal handle As Long, ByVal attrib As Long, ByVal value As Single) As Long
Declare Function BASS_ChannelGetAttribute Lib "bass.dll" (ByVal handle As Long, ByVal attrib As Long, ByRef value As Single) As Long
Declare Function BASS_ChannelSlideAttribute Lib "bass.dll" (ByVal handle As Long, ByVal attrib As Long, ByVal value As Single, ByVal time As Long) As Long
Declare Function BASS_ChannelIsSliding Lib "bass.dll" (ByVal handle As Long, ByVal attrib As Long) As Long
Declare Function BASS_ChannelSet3DAttributes Lib "bass.dll" (ByVal handle As Long, ByVal mode As Long, ByVal min As Single, ByVal max As Single, ByVal iangle As Long, ByVal oangle As Long, ByVal outvol As Single) As Long
Declare Function BASS_ChannelGet3DAttributes Lib "bass.dll" (ByVal handle As Long, ByRef mode As Long, ByRef min As Single, ByRef max As Single, ByRef iangle As Long, ByRef oangle As Long, ByRef outvol As Single) As Long
Declare Function BASS_ChannelSet3DPosition Lib "bass.dll" (ByVal handle As Long, ByRef pos As Any, ByRef orient As Any, ByRef vel As Any) As Long
Declare Function BASS_ChannelGet3DPosition Lib "bass.dll" (ByVal handle As Long, ByRef pos As Any, ByRef orient As Any, ByRef vel As Any) As Long
Declare Function BASS_ChannelGetLength Lib "bass.dll" (ByVal handle As Long, ByVal mode As Long) As Long
Declare Function BASS_ChannelSetPosition64 Lib "bass.dll" Alias "BASS_ChannelSetPosition" (ByVal handle As Long, ByVal pos As Long, ByVal poshigh As Long, ByVal mode As Long) As Long
Declare Function BASS_ChannelGetPosition Lib "bass.dll" (ByVal handle As Long, ByVal mode As Long) As Long
Declare Function BASS_ChannelGetLevel Lib "bass.dll" (ByVal handle As Long) As Long
Declare Function BASS_ChannelGetData Lib "bass.dll" (ByVal handle As Long, ByRef buffer As Any, ByVal length As Long) As Long
Declare Function BASS_ChannelSetSync64 Lib "bass.dll" Alias "BASS_ChannelSetSync" (ByVal handle As Long, ByVal type_ As Long, ByVal param As Long, ByVal paramhigh As Long, ByVal proc As Long, ByVal user As Long) As Long
Declare Function BASS_ChannelRemoveSync Lib "bass.dll" (ByVal handle As Long, ByVal sync As Long) As Long
Declare Function BASS_ChannelSetDSP Lib "bass.dll" (ByVal handle As Long, ByVal proc As Long, ByVal user As Long, ByVal priority As Long) As Long
Declare Function BASS_ChannelRemoveDSP Lib "bass.dll" (ByVal handle As Long, ByVal dsp As Long) As Long
Declare Function BASS_ChannelSetLink Lib "bass.dll" (ByVal handle As Long, ByVal chan As Long) As Long
Declare Function BASS_ChannelRemoveLink Lib "bass.dll" (ByVal handle As Long, ByVal chan As Long) As Long
Declare Function BASS_ChannelSetFX Lib "bass.dll" (ByVal handle As Long, ByVal type_ As Long, ByVal priority As Long) As Long
Declare Function BASS_ChannelRemoveFX Lib "bass.dll" (ByVal handle As Long, ByVal fx As Long) As Long
Declare Function BASS_FXSetParameters Lib "bass.dll" (ByVal handle As Long, ByRef par As Any) As Long
Declare Function BASS_FXGetParameters Lib "bass.dll" (ByVal handle As Long, ByRef par As Any) As Long
Declare Function BASS_FXReset Lib "bass.dll" (ByVal handle As Long) As Long

Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (ByRef Destination As Any, ByRef Source As Any, ByVal length As Long)
Private Declare Function lstrlen Lib "kernel32" Alias "lstrlenA" (ByVal lpString As Long) As Long

Public Function BASS_SPEAKER_N(ByVal n As Long) As Long
BASS_SPEAKER_N = n * (2 ^ 24)
End Function

'32位包装64位低音功能
Function BASS_MusicLoad(ByVal mem As Long, ByVal file As Long, ByVal offset As Long, ByVal length As Long, ByVal flags As Long, ByVal freq As Long) As Long
BASS_MusicLoad = BASS_MusicLoad64(mem, file, offset, 0, length, flags Or BASS_UNICODE, freq)
End Function

Function BASS_SampleLoad(ByVal mem As Long, ByVal file As Long, ByVal offset As Long, ByVal length As Long, ByVal max As Long, ByVal flags As Long) As Long
BASS_SampleLoad = BASS_SampleLoad64(mem, file, offset, 0, length, max, flags Or BASS_UNICODE)
End Function

Function BASS_StreamCreateFile(ByVal mem As Long, ByVal file As Long, ByVal offset As Long, ByVal length As Long, ByVal flags As Long) As Long
BASS_StreamCreateFile = BASS_StreamCreateFile64(mem, file, offset, 0, length, 0, flags Or BASS_UNICODE)
End Function

Function BASS_ChannelBytes2Seconds(ByVal handle As Long, ByVal pos As Long) As Double
BASS_ChannelBytes2Seconds = BASS_ChannelBytes2Seconds64(handle, pos, 0)
End Function

Function BASS_ChannelSetPosition(ByVal handle As Long, ByVal pos As Long, ByVal mode As Long) As Long
BASS_ChannelSetPosition = BASS_ChannelSetPosition64(handle, pos, 0, mode)
End Function

Function BASS_ChannelSetSync(ByVal handle As Long, ByVal type_ As Long, ByVal param As Long, ByVal proc As Long, ByVal user As Long) As Long
BASS_ChannelSetSync = BASS_ChannelSetSync64(handle, type_, param, 0, proc, user)
End Function

'bass_plugingetinfo包装
Function BASS_PluginGetInfo(ByVal handle As Long) As BASS_PLUGININFO
Dim pinfo As BASS_PLUGININFO, plug As Long
plug = BASS_PluginGetInfo_(handle)
If plug Then
    Call CopyMemory(pinfo, ByVal plug, LenB(pinfo))
End If
BASS_PluginGetInfo = pinfo
End Function

Function BASS_PluginGetInfoFormat(ByVal handle As Long, ByVal index As Long) As BASS_PLUGINFORM
Dim pform As BASS_PLUGINFORM, plug As Long
plug = BASS_PluginGetInfo(handle).formats
If plug Then
    plug = plug   (index * LenB(pform))
    Call CopyMemory(pform, ByVal plug, LenB(pform))
End If
BASS_PluginGetInfoFormat = pform
End Function

'回调函数
Function STREAMPROC(ByVal handle As Long, ByVal buffer As Long, ByVal length As Long, ByVal user As Long) As Long
    
    'CALLBACK FUNCTION !!!
    
    ' User stream callback function
    ' NOTE: A stream function should obviously be as quick
    ' as possible, other streams (and MOD musics) can't be mixed until it's finished.
    ' handle : The stream that needs writing
    ' buffer : Buffer to write the samples in
    ' length : Number of bytes to write
    ' user   : The 'user' parameter value given when calling BASS_StreamCreate
    ' RETURN : Number of bytes written. Set the BASS_STREAMPROC_END flag to end
    '          the stream.
    
End Function

Sub DOWNLOADPROC(ByVal buffer As Long, ByVal length As Long, ByVal user As Long)
    
    'CALLBACK FUNCTION !!!

    ' Internet stream download callback function.
    ' buffer : Buffer containing the downloaded data... NULL=end of download
    ' length : Number of bytes in the buffer
    ' user   : The 'user' parameter given when calling BASS_StreamCreateURL
    
End Sub

Sub SYNCPROC(ByVal handle As Long, ByVal channel As Long, ByVal data As Long, ByVal user As Long)
    
    'CALLBACK FUNCTION !!!
    
    'Similarly in here, write what to do when sync function
    'is called, i.e screen flash etc.
    
    ' NOTE: a sync callback function should be very quick as other
    ' syncs cannot be processed until it has finished.
    ' handle : The sync that has occured
    ' channel: Channel that the sync occured in
    ' data   : Additional data associated with the sync's occurance
    ' user   : The 'user' parameter given when calling BASS_ChannelSetSync */
    
End Sub

Sub DSPPROC(ByVal handle As Long, ByVal channel As Long, ByVal buffer As Long, ByVal length As Long, ByVal user As Long)

    'CALLBACK FUNCTION !!!

    ' VB doesn't support pointers, so you should copy the buffer into an array,
    ' process it, and then copy it back into the buffer.

    ' DSP callback function. NOTE: A DSP function should obviously be as quick as
    ' possible... other DSP functions, streams and MOD musics can not be processed
    ' until it's finished.
    ' handle : The DSP handle
    ' channel: Channel that the DSP is being applied to
    ' buffer : Buffer to apply the DSP to
    ' length : Number of bytes in the buffer
    ' user   : The 'user' parameter given when calling BASS_ChannelSetDSP
    
End Sub

Function RECORDPROC(ByVal handle As Long, ByVal buffer As Long, ByVal length As Long, ByVal user As Long) As Long

    'CALLBACK FUNCTION !!!

    ' Recording callback function.
    ' handle : The recording handle
    ' buffer : Buffer containing the recorded samples
    ' length : Number of bytes
    ' user   : The 'user' parameter value given when calling BASS_RecordStart
    ' RETURN : BASSTRUE = continue recording, BASSFALSE = stop

End Function

' 用户文件流的回调函数（bass_fileprocs）
Sub FILECLOSEPROC(ByVal user As Long)

End Sub

Function FILELENPROC(ByVal user As Long) As Currency ' ???

End Function

Function FILEREADPROC(ByVal buffer As Long, ByVal length As Long, ByVal user As Long) As Long

End Function

Function FILESEEKPROC(ByVal offset As Long, ByVal offsethigh As Long, ByVal user As Long) As Long

End Function


Function BASS_SetEAXPreset(preset) As Long
'这个函数是一个解决方案，因为VB不支持多个逗号分离“每个全局常量参数，简单地把eax_environment_xxx值函数
'而bass_seteaxparameters你会在C / C    Select Case preset
Select Case True
    Case EAX_ENVIRONMENT_GENERIC
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_GENERIC, 0.5, 1.493, 0.5)
    Case EAX_ENVIRONMENT_PADDEDCELL
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_PADDEDCELL, 0.25, 0.1, 0)
    Case EAX_ENVIRONMENT_ROOM
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_ROOM, 0.417, 0.4, 0.666)
    Case EAX_ENVIRONMENT_BATHROOM
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_BATHROOM, 0.653, 1.499, 0.166)
    Case EAX_ENVIRONMENT_LIVINGROOM
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_LIVINGROOM, 0.208, 0.478, 0)
    Case EAX_ENVIRONMENT_STONEROOM
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_STONEROOM, 0.5, 2.309, 0.888)
    Case EAX_ENVIRONMENT_AUDITORIUM
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_AUDITORIUM, 0.403, 4.279, 0.5)
    Case EAX_ENVIRONMENT_CONCERTHALL
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_CONCERTHALL, 0.5, 3.961, 0.5)
    Case EAX_ENVIRONMENT_CAVE
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_CAVE, 0.5, 2.886, 1.304)
    Case EAX_ENVIRONMENT_ARENA
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_ARENA, 0.361, 7.284, 0.332)
    Case EAX_ENVIRONMENT_HANGAR
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_HANGAR, 0.5, 10, 0.3)
    Case EAX_ENVIRONMENT_CARPETEDHALLWAY
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_CARPETEDHALLWAY, 0.153, 0.259, 2)
    Case EAX_ENVIRONMENT_HALLWAY
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_HALLWAY, 0.361, 1.493, 0)
    Case EAX_ENVIRONMENT_STONECORRIDOR
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_STONECORRIDOR, 0.444, 2.697, 0.638)
    Case EAX_ENVIRONMENT_ALLEY
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_ALLEY, 0.25, 1.752, 0.776)
    Case EAX_ENVIRONMENT_FOREST
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_FOREST, 0.111, 3.145, 0.472)
    Case EAX_ENVIRONMENT_CITY
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_CITY, 0.111, 2.767, 0.224)
    Case EAX_ENVIRONMENT_MOUNTAINS
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_MOUNTAINS, 0.194, 7.841, 0.472)
    Case EAX_ENVIRONMENT_QUARRY
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_QUARRY, 1, 1.499, 0.5)
    Case EAX_ENVIRONMENT_PLAIN
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_PLAIN, 0.097, 2.767, 0.224)
    Case EAX_ENVIRONMENT_PARKINGLOT
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_PARKINGLOT, 0.208, 1.652, 1.5)
    Case EAX_ENVIRONMENT_SEWERPIPE
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_SEWERPIPE, 0.652, 2.886, 0.25)
    Case EAX_ENVIRONMENT_UNDERWATER
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_UNDERWATER, 1, 1.499, 0)
    Case EAX_ENVIRONMENT_DRUGGED
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_DRUGGED, 0.875, 8.392, 1.388)
    Case EAX_ENVIRONMENT_DIZZY
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_DIZZY, 0.139, 17.234, 0.666)
    Case EAX_ENVIRONMENT_PSYCHOTIC
        BASS_SetEAXPreset = BASS_SetEAXParameters(EAX_ENVIRONMENT_PSYCHOTIC, 0.486, 7.563, 0.806)
End Select
End Function

Public Function LoByte(ByVal lparam As Long) As Long
LoByte = lparam And &HFF&
End Function
Public Function HiByte(ByVal lparam As Long) As Long
HiByte = (lparam And &HFF00&) / &H100&
End Function
Public Function LoWord(ByVal lparam As Long) As Long
LoWord = lparam And &HFFFF&
End Function
Public Function HiWord(ByVal lparam As Long) As Long
If lparam < 0 Then
    HiWord = (lparam \ &H10000 - 1) And &HFFFF&
Else
    HiWord = lparam \ &H10000
End If
End Function
Function MakeWord(ByVal LoByte As Long, ByVal HiByte As Long) As Long
MakeWord = (LoByte And &HFF&) Or ((HiByte And &HFF&) * &H100&)
End Function
Function MakeLong(ByVal LoWord As Long, ByVal HiWord As Long) As Long
MakeLong = LoWord And &HFFFF&
HiWord = HiWord And &HFFFF&
If HiWord And &H8000& Then
    MakeLong = MakeLong Or (((HiWord And &H7FFF&) * &H10000) Or &H80000000)
Else
    MakeLong = MakeLong Or (HiWord * &H10000)
End If
End Function

Public Function VBStrFromAnsiPtr(ByVal lpStr As Long) As String
Dim bStr() As Byte
Dim cChars As Long
On Error Resume Next
'获得缓冲区中的字符数
cChars = lstrlen(lpStr)
If cChars Then
    '调整大小的字节数组。
    ReDim bStr(0 To cChars - 1) As Byte
    '抓住ANSI缓冲
    Call CopyMemory(bStr(0), ByVal lpStr, cChars)
End If
'现在一个Unicode字符串转换为VB
VBStrFromAnsiPtr = StrConv(bStr, vbUnicode)
End Function