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即时通讯话音视频开发包(C#版本源代码

发布时间: 2012-12-24 10:43:14 作者: rapoo

即时通讯语音视频开发包(C#版本源代码部分)

using System;using System.Text;using System.Runtime.InteropServices;namespace Platform{    /********************************************************************************    * ** AnyChat Platform Core SDK    * *********************************************************************************/    public class AnyChatCoreSDK    {        #region AnyChat Platform Core SDK 常量定义        // 内核参数定义,API:BRAC_SetSDKOption、BRAC_GetSDKOption 传入参数        public const int BRAC_SO_AUDIO_VADCTRL=1;// 音频静音检测控制(参数为:int型:1打开,0关闭)        public const int BRAC_SO_AUDIO_NSCTRL=2;// 音频噪音抑制控制(参数为:int型:1打开,0关闭)        public const int BRAC_SO_AUDIO_ECHOCTRL=3;// 音频回音消除控制(参数为:int型:1打开,0关闭)        public const int BRAC_SO_AUDIO_AGCCTRL=4;// 音频自动增益控制(参数为:int型:1打开,0关闭)        public const int BRAC_SO_AUDIO_CPATUREMODE=5;// 音频采集模式设置(参数为:int型:0 发言模式,1 放歌模式,2 卡拉OK模式,3 线路输入模式)        public const int BRAC_SO_AUDIO_MICBOOST=6;// 音频采集Mic增强控制(参数为:int型:0 取消,1 选中,2 设备不存在[查询时返回值])        public const int BRAC_SO_RECORD_VIDEOBR=10;// 录像视频码率设置(参数为:int型,单位:bps)        public const int BRAC_SO_RECORD_AUDIOBR=11;// 录像音频码率设置(参数为:int型,单位:bps)        public const int BRAC_SO_RECORD_TMPDIR=12;// 录像文件临时目录设置(参数为字符串PCHAR类型,必须是完整的绝对路径)        public const int BRAC_SO_SNAPSHOT_TMPDIR=13;// 快照文件临时目录设置(参数为字符串PCHAR类型,必须是完整的绝对路径)        public const int BRAC_SO_CORESDK_TMPDIR=14;// 设置AnyChat Core SDK临时目录(参数为字符串PCHAR类型,必须是完整的绝对路径)        public const int BRAC_SO_CORESDK_PATH=20;// 设置AnyChat Core SDK相关组件路径(参数为字符串PCHAR类型,必须是完整的绝对路径)        public const int BRAC_SO_LOCALVIDEO_BITRATECTRL=30;// 本地视频编码码率设置(参数为int型,单位bps,同服务器配置:VideoBitrate)        public const int BRAC_SO_LOCALVIDEO_QUALITYCTRL=31;// 本地视频编码质量因子控制(参数为int型,同服务器配置:VideoQuality)        public const int BRAC_SO_LOCALVIDEO_GOPCTRL=32;// 本地视频编码关键帧间隔控制(参数为int型,同服务器配置:VideoGOPSize)        public const int BRAC_SO_LOCALVIDEO_FPSCTRL=33;// 本地视频编码帧率控制(参数为int型,同服务器配置:VideoFps)        public const int BRAC_SO_LOCALVIDEO_PRESETCTRL=34;// 本地视频编码预设参数控制(参数为int型,1-5)        public const int BRAC_SO_LOCALVIDEO_APPLYPARAM=35;// 应用本地视频编码参数,使得前述修改即时生效(参数为int型:1 使用新参数,0 使用默认参数)        public const int BRAC_SO_LOCALVIDEO_VIDEOSIZEPOLITIC=36;// 本地视频采集分辩率控制策略(参数为int型,0 自动向下逐级匹配[默认];1 使用采集设备默认分辩率),当配置的分辩率不被采集设备支持时有效        public const int BRAC_SO_LOCALVIDEO_DEINTERLACE=37;// 本地视频反交织参数控制(参数为int型: 0 不进行反交织处理[默认];1 反交织处理),当输入视频源是隔行扫描源(如电视信号)时通过反交织处理可以提高画面质量        public const int BRAC_SO_NETWORK_P2PPOLITIC=40;// 本地网络P2P策略控制(参数为:int型:0 禁止本地P2P,1 服务器控制P2P[默认],2 上层应用控制P2P连接,3 按需建立P2P连接)        public const int BRAC_SO_NETWORK_P2PCONNECT=41;// 尝试与指定用户建立P2P连接(参数为int型,表示目标用户ID),连接建立成功后,会通过消息反馈给上层应用,P2P控制策略=2时有效        public const int BRAC_SO_NETWORK_P2PBREAK       =   42;// 断开与指定用户的P2P连接(参数为int型,表示目标用户ID)[暂不支持,保留]        // 用户状态标志定义,API:BRAC_QueryUserState 传入参数        public const int BRAC_USERSTATE_CAMERA    =1;// 用户摄像头状态(参数为DWORD型)        public const int BRAC_USERSTATE_HOLDMIC    =2;// 用户持有Mic状态(参数为DWORD型)        public const int BRAC_USERSTATE_SPEAKVOLUME    =3;// 用户当前说话音量(参数为DOUBLE类型(0.0 ~ 100.0))        public const int BRAC_USERSTATE_RECORDING    =4;// 用户录像(音)状态(参数为DWORD型)        public const int BRAC_USERSTATE_LEVEL    =5;// 用户级别(参数为DWORD型)        public const int BRAC_USERSTATE_NICKNAME    =6;// 用户昵称(参数为字符串PCHAR类型)        public const int BRAC_USERSTATE_LOCALIP    =7;// 用户本地IP地址(内网,参数为字符串PCHAR类型)        public const int BRAC_USERSTATE_INTERNETIP    =8;// 用户互联网IP地址(参数为字符串PCHAR类型)        public const int BRAC_USERSTATE_VIDEOBITRATE    =9;// 用户当前的视频码率(参数为DWORD类型,Bps)        public const int BRAC_USERSTATE_AUDIOBITRATE    =10;// 用户当前的音频码率(参数为DWORD类型,Bps)        public const int BRAC_USERSTATE_P2PCONNECT    =11;// 查询本地用户与指定用户的当前P2P连接状态(参数为DWORD类型,返回值:0 P2P不通, 1 P2P连接成功[TCP],2 P2P连接成功[UDP],3 P2P连接成功[TCP、UDP])        public const int BRAC_USERSTATE_NETWORKSTATUS   =   12;// 查询指定用户的网络状态(参数为DWORD类型,返回值:0 优良,1 较好,2 一般,3 较差,4 非常差),注:查询间隔需要>1s        // SDK消息定义        public const int WM_GV = 0x0400 + 200;        public const int WM_GV_CONNECT=WM_GV + 1;// 客户端连接服务器,wParam(BOOL)表示是否连接成功        public const int WM_GV_LOGINSYSTEM=WM_GV + 2;// 客户端登录系统,wParam(INT)表示自己的用户ID号,lParam(INT)表示登录结果:0 成功,否则为出错代码,参考出错代码定义        public const int WM_GV_ENTERROOM=WM_GV + 3;// 客户端进入房间,wParam(INT)表示所进入房间的ID号,lParam(INT)表示是否进入房间:0成功进入,否则为出错代码        public const int WM_GV_MICSTATECHANGE=WM_GV + 4;// 用户的Mic状态变化消息,wParam(INT)表示用户ID号,lParam(BOOL)表示该用户是否持有Mic        public const int WM_GV_USERATROOM=WM_GV + 5;// 用户进入(离开)房间,wParam(INT)表示用户ID号,lParam(BOOL)表示该用户是进入(TRUE)或离开(FALSE)房间        public const int WM_GV_LINKCLOSE=WM_GV + 6;// 网络连接已关闭,该消息只有在客户端连接服务器成功之后,网络异常中断之时触发,wParam(INT)表示连接断开的原因        public const int WM_GV_ONLINEUSER=WM_GV + 7;// 收到当前房间的在线用户信息,进入房间后触发一次,wParam(INT)表示在线用户数(包含自己),lParam(INT)表示房间ID        public const int WM_GV_FORTUNEMENU=WM_GV + 8;// 用户选择了一项财富菜单项,wParam(INT)表示用户ID号,lParam(INT)表示财富菜单标记,指示是选择了哪一项菜单        public const int WM_GV_ROOMWAITQUEUE=WM_GV + 9;// 用户收到当前房间等待队列消息,wParam(INT)表示用户前面的队列长度,lParam(INT)表示当前房间总的等待队列长度        public const int WM_GV_ENTERREQUEST=WM_GV + 10;// 用户申请进入房间消息,wParam(INT)表示用户ID号,lParam(BOOL)表示该用户是申请进入(TRUE)房间或离开(FALSE)房间等待队列        public const int WM_GV_CAMERASTATE=WM_GV + 11;// 用户摄像头状态发生变化,wParam(INT)表示用户ID号,lParam(INT)表示摄像头的当前状态,定义为:GV_CAMERA_STATE_XXXX        public const int WM_GV_CHATMODECHG=WM_GV + 12;// 用户聊天模式发生变化,wParam(INT)表示用户ID号,lParam(INT)表示用户的当前聊天模式        public const int WM_GV_ACTIVESTATE=WM_GV + 13;// 用户活动状态发生变化,wParam(INT)表示用户ID号,lParam(INT)表示用户的当前活动状态        public const int WM_GV_P2PCONNECTSTATE=WM_GV + 14;// 本地用户与其它用户的P2P网络连接状态发生变化,wParam(INT)表示其它用户ID号,lParam(INT)表示本地用户与其它用户的当前P2P网络连接状态        public const int WM_GV_PRIVATEREQUEST=WM_GV + 21;// 用户发起私聊请求,wParam(INT)表示发起者的用户ID号,lParam(INT)表示私聊请求编号,标识该请求        public const int WM_GV_PRIVATEECHO=WM_GV + 22;// 用户回复私聊请求,wParam(INT)表示回复者的用户ID号,lParam(INT)为出错代码        public const int WM_GV_PRIVATEEXIT=WM_GV + 23;// 用户退出私聊,wParam(INT)表示退出者的用户ID号,lParam(INT)为出错代码        public const int WM_GV_EXTENDBTNPRESS=WM_GV + 31;// 用户按下扩展按钮,wParam(INT)表示按钮所对应的用户ID号,lParam—WORD)指示按钮(左下角)所在屏幕位置(x,y),用户可以利用该参数显示菜单等        public const int WM_GV_SDKWARNING       =   WM_GV + 41;// SDK警告信息,当SDK在运行过程中自检发现异常状态时,将向上层发送该消息,wParam(INT)表示警告代码,定义为:GV_ERR_WARNING_XXXX        // SDK出错代码定义,其它代码请参考:C++ SDK目录中的GVErrorCodeDefine.h文件        public const int GV_ERR_SUCCESS=   0;        // 成功        public const ulong BRAC_FUNC_VIDEO_CBDATA=0x00000001L;///< 通过回调函数输出视频数据        public const ulong BRAC_FUNC_VIDEO_AUTODISP=0x00000002L;///< 由SDK包处理视频,将视频显示在指定的窗口上        public const ulong BRAC_FUNC_AUDIO_CBDATA=0x00000004L;///< 通过回调函数输出音频数据        public const ulong BRAC_FUNC_AUDIO_AUTOPLAY=0x00000008L;///< 由SDK包处理音频,直接播放        public const ulong BRAC_FUNC_CONFIG_LOCALINI=0x00000010L;///< 生成本地配置文件(AnyChatSDK.ini)        public const ulong BRAC_FUNC_FIREWALL_OPEN=0x00000020L;///< 允许SDK操作Windows防火墙,将当前应用程序加入防火墙访问列表(避免Windows提示用户是否阻止当前应用程序)        public const ulong BRAC_FUNC_CHKDEPENDMODULE=0x00000040L;///< 自动检查SDK所依赖的组件,并自动注册        public const ulong BRAC_FUNC_AUDIO_VOLUMECALC=0x00000080L;///< 由SDK自动计算语音的音量        public const ulong BRAC_FUNC_AUDIO_AUTOVOLUME=0x00000100L;///< 允许SDK自动控制Mic录音音量        public const ulong BRAC_FUNC_NET_SUPPORTUPNP=0x00000200L;///< 允许SDK打开用户网络中的UPNP设备,如果用户的路由器或是防火墙支持UPNP协议,则可提高P2P打洞的成功率        public const ulong BRAC_FUNC_DISABLEDECODE = 0x00000400L;///< 禁止对收到的数据进行解码和播放,为了提高代理客户端的数据转发性能,可设置该标志,否则不能设置该标志            // 音频设备枚举定义        public enum AudioDevice        {            BRAC_AD_WAVEIN  = 0,                        // 输入设备:Mic            BRAC_AD_WAVEOUT= 1                    // 输出设备:Wave        }        public enum PixelFormat{        BRAC_PIX_FMT_RGB24 = 0,///< Packed RGB 8:8:8, 24bpp, RGBRGB...(MEDIASUBTYPE_RGB24)        BRAC_PIX_FMT_RGB32,///< 对应于:MEDIASUBTYPE_RGB32,Packed RGB 8:8:8, 32bpp, (msb)8A 8R 8G 8B(lsb), in cpu endianness        BRAC_PIX_FMT_YV12,///< 对应于:MEDIASUBTYPE_YV12,Planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)        BRAC_PIX_FMT_YUY2,///< 对应于:MEDIASUBTYPE_YUY2,Packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr        }        [StructLayout(LayoutKind.Sequential)]                  //BitmapInfoHeader   定义了位图的头部信息                  public struct BITMAPINFOHEADER                  {                          [MarshalAs(UnmanagedType.I4)]                          public Int32 biSize;                          [MarshalAs(UnmanagedType.I4)]                          public Int32 biWidth;                          [MarshalAs(UnmanagedType.I4)]                          public Int32 biHeight;                          [MarshalAs(UnmanagedType.I2)]                          public short biPlanes;                          [MarshalAs(UnmanagedType.I2)]                          public short biBitCount;                          [MarshalAs(UnmanagedType.I4)]                          public Int32 biCompression;                          [MarshalAs(UnmanagedType.I4)]                          public Int32 biSizeImage;                          [MarshalAs(UnmanagedType.I4)]                          public Int32 biXPelsPerMeter;                          [MarshalAs(UnmanagedType.I4)]                          public Int32 biYPelsPerMeter;                          [MarshalAs(UnmanagedType.I4)]                          public Int32 biClrUsed;                          [MarshalAs(UnmanagedType.I4)]                          public Int32 biClrImportant;                  }        // 功能模式枚举定义,API:BRAC_InitSDK 传入参数        public enum FUNCMode : ulong        {            BRAC_FUNC_VIDEO_CBDATA    =   0x00000001L,// 通过回调函数输出视频数据            BRAC_FUNC_VIDEO_AUTODISP    =   0x00000002L,// 由SDK包处理视频,将视频显示在指定的窗口上            BRAC_FUNC_AUDIO_CBDATA    =   0x00000004L,// 通过回调函数输出音频数据            BRAC_FUNC_AUDIO_AUTOPLAY    =   0x00000008L,// 由SDK包处理音频,直接播放            BRAC_FUNC_CONFIG_LOCALINI    =   0x00000010L,// 生成本地配置文件(AnyChatSDK.ini)            BRAC_FUNC_FIREWALL_OPEN    =   0x00000020L,    // 允许SDK操作Windows防火墙,将当前应用程序加入防火墙访问列表(避免Windows提示用户是否阻止当前应用程序)            BRAC_FUNC_CHKDEPENDMODULE    =   0x00000040L,// 自动检查SDK所依赖的组件,并自动注册            BRAC_FUNC_AUDIO_VOLUMECALC  =   0x00000080L,// 由SDK自动计算语音的音量            BRAC_FUNC_AUDIO_AUTOVOLUME  =   0x00000100L,// 允许SDK自动控制Mic录音音量            BRAC_FUNC_NET_SUPPORTUPNP     =   0x00000200L,// 允许SDK打开用户网络中的UPNP设备,如果用户的路由器或是防火墙支持UPNP协议,则可提高P2P打洞的成功率            BRAC_FUNC_DISABLEDECODE    =   0x00000400L // 禁止对收到的数据进行解码和播放,为了提高代理客户端的数据转发性能,可设置该标志,否则不能设置该标志        }        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]        public struct WaveFormat        {            public short wFormatTag;            public short nChannels;            public uint nSamplesPerSec;            public uint nAvgBytesPerSec;            public short nBlockAlign;            public short wBitsPerSample;            public short cbSize;        }         #endregion        #region AnyChat Platform Core SDK 功能函数API接口封装        /// <summary>        /// 透明通道数据回调函数定义        /// </summary>        /// <param name="userId">用户ID</param>        /// <param name="buf">缓冲区</param>        /// <param name="len">缓冲区长度</param>        /// <param name="userValue">附带信息</param>        public delegate void TransBufferCallBack(int userId, IntPtr buf, int len, int userValue);        /// <summary>        /// 透明通道扩展回调函数定义        /// </summary>        /// <param name="userId">用户ID</param>        /// <param name="buf">缓冲区</param>        /// <param name="len">缓冲区长度</param>        /// <param name="wParam">缓冲区附带信息1</param>        /// <param name="lParam">缓冲区附带信息2</param>        /// <param name="taskId">传输任务编号</param>        /// <param name="userValue">自定义参数</param>        public delegate void TransBufferCallBackEx(int userId, IntPtr buf, int len,int wParam,int lParam,int taskId, int userValue);        /// <summary>        /// 传输文件回调函数定义        /// </summary>        /// <param name="userId">用户ID</param>        /// <param name="fileName">文件名</param>        /// <param name="filePath">文件接收后保存在本地的路径</param>        /// <param name="fileLength">文件长度</param>        /// <param name="wParam">附带信息1</param>        /// <param name="lParam">附带信息2</param>        /// <param name="taskId">传输任务编号</param>        /// <param name="userValue">自定义参数</param>        public delegate void TransFileCallBack(int userId, string fileName, string filePath, int fileLength, int wParam, int lParam, int taskId, int userValue);        /// <summary>        /// 音量变化回调函数定义        /// </summary>        /// <param name="device">音频设备</param>        /// <param name="currentVolume">当前音量</param>        /// <param name="lpUserValue">附带信息</param>        public delegate void VolumeChangeCallBack(AudioDevice device, int currentVolume, int userValue);        public delegate void SDKFilterDataCallBack(IntPtr buf,int len,int userValue);        /// <summary>        /// 录像回调函数        /// </summary>        /// <param name="userId">用户id</param>        /// <param name="filePath">录像保存路径</param>        /// <param name="param">参数</param>        /// <param name="recordType">录像类型,1录像,0拍照</param>        /// <param name="userValue">用户参数</param>        public delegate void RecordCallBack(int userId, string filePath, int param, bool recordType,int userValue);        /// <summary>        /// 视频回调函数        /// </summary>        /// <param name="userId"></param>        /// <param name="buf"></param>        /// <param name="len"></param>        /// <param name="bitMap"></param>        /// <param name="userValue"></param>        public delegate void VideoData_CallBack(int userId, IntPtr buf, int len, BITMAPINFOHEADER bitMap, int userValue);        /// <summary>        /// 声音回调        /// </summary>        /// <param name="userId"></param>        /// <param name="buf"></param>        /// <param name="len"></param>        /// <param name="format"></param>        /// <param name="userValue"></param>        public delegate void AudioData_CallBack(int userId,IntPtr buf,int len,WaveFormat format,int userValue);        /// <summary>        /// 消息接收回调        /// </summary>        /// <param name="fromuserId"></param>        /// <param name="touserId"></param>        /// <param name="isserect"></param>        /// <param name="message"></param>        /// <param name="len"></param>        /// <param name="userValue"></param>        public delegate void TextMessage_CallBack(int fromuserId, int touserId, bool isserect,             string message, int len, int userValue);        /// <summary>        /// 视频事件注册        /// </summary>        /// <param name="format"></param>        /// <param name="function"></param>        /// <param name="userValue"></param>        /// <returns></returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_SetVideoDataCallBack")]        public static extern int SetVideoDataCallBack(PixelFormat format, VideoData_CallBack function,int userValue);                /// <summary>        /// SDK Filter 注册回调        /// </summary>        /// <param name="format"></param>        /// <param name="function"></param>        /// <param name="userValue"></param>        /// <returns></returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_SetSDKFilterDataCallBack")]        public static extern int SetSDKFilterDataCallBack(SDKFilterDataCallBack function, int userValue);        /// <summary>        /// SDK Filter 发送数据到服务器端        /// </summary>        /// <param name="format"></param>        /// <param name="function"></param>        /// <param name="userValue"></param>        /// <returns></returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_SendSDKFilterData")]        public static extern int SendSDKFilterData(IntPtr buf, int len);                /// <summary>        /// 声音事件注册        /// </summary>        /// <param name="format"></param>        /// <param name="function"></param>        /// <param name="userValue"></param>        /// <returns></returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_SetAudioDataCallBack")]        public static extern int SetAudioDataCallBack(AudioData_CallBack function, int userValue);        /// <summary>        /// 注册文字消息回调        /// </summary>        /// <param name="format"></param>        /// <param name="function"></param>        /// <param name="userValue"></param>        /// <returns></returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_SetTextMessageCallBack")]        public static extern int SetTextMessageCallBack(TextMessage_CallBack function, int userValue);        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_SetServerAuthPass")]        public static extern int SetServerAuthPass(StringBuilder key);        /// <summary>        /// 发送消息        /// </summary>        /// <param name="userID">-1为所有人</param>        /// <param name="isSerect">仅用户id 不为-1时有效</param>        /// <param name="msg">消息内容</param>        /// <param name="len"></param>        /// <returns></returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_SendTextMessage")]        public static extern int SendTextMessage(int userID,bool isSerect,string msg,int len);                /// <summary>        /// 与服务器端交换        /// </summary>        /// <returns></returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_SendTextMessage")]        public static extern int SendSDKFilterData();        /// <summary>        /// 获取用户名        /// </summary>        /// <param name="userId">用户ID</param>        /// <param name="userName">用户名</param>        /// <param name="bufLen">缓冲区长度</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_GetUserName")]        public static extern int GetUserName(int userId, StringBuilder userName, int bufLen);        /// <summary>        /// 初始化系统        /// </summary>        /// <param name="hWnd">接收消息窗口句柄,可为空</param>        /// <param name="funcMode">功能模式</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_InitSDK")]        public static extern int InitSDK(IntPtr hWnd, ulong funcMode);        /// <summary>        /// 设置透明通道数据回调函数        /// </summary>        /// <param name="function">回调函数</param>        /// <param name="userValue">附带信息</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_SetTransBufferCallBack")]        public static extern int SetTransBufferCallBack(TransBufferCallBack function, int userValue);        /// <summary>        /// 设置透明通道扩展回调函数        /// </summary>        /// <param name="function">回调函数</param>        /// <param name="userValue">附带信息</param>        /// <returns>0为成功,否则失败</param>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_SetTransBufferExCallBack")]        public static extern int SetTransBufferExCallBack(TransBufferCallBackEx function, int userValue);        /// <summary>        /// 设置文件传输回调函数        /// </summary>        /// <param name="function">回调函数</param>        /// <param name="userValue">附带信息</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_SetTransFileCallBack")]        public static extern int SetTransFileCallBack(TransFileCallBack function, int userValue);        /// <summary>        /// 设置音量变化回调函数        /// </summary>        /// <param name="function">回调函数</param>        /// <param name="userValue">附带信息</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_SetVolumeChangeCallBack")]        public static extern int SetVolumeChangeCallBack(VolumeChangeCallBack function, int userValue);        /// <summary>        /// 设置录像回调函数        /// </summary>        /// <param name="function"></param>        /// <param name="userValue"></param>        /// <returns></returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_SetRecordSnapShotCallBack")]        public static extern int SetRecordCallBack(RecordCallBack function, int userValue);        /// <summary>        /// 连接服务器        /// </summary>        /// <param name="serverAddr">服务器地址</param>        /// <param name="port">端口号</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_Connect")]        public static extern int Connect(string serverAddr, int port);        /// <summary>        /// 登录系统        /// </summary>        /// <param name="userName">用户名</param>        /// <param name="password">密码</param>        /// <param name="passEncType">是否加密</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_Login")]        public static extern int Login(string userName, string password, int passEncType);        /// <summary>        /// 进入房间        /// </summary>        /// <param name="roomid">房间号</param>        /// <param name="roomPass">房间密码</param>        /// <param name="passEncType">是否加密</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_EnterRoom")]        public static extern int EnterRoom(int roomid, string roomPass, int passEncType);        /// <summary>        /// 离开房间        /// </summary>        /// <param name="roomid">房间号</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_LeaveRoom")]        public static extern int LeaveRoom(int roomid);        /// <summary>        /// 注销系统        /// </summary>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_Logout")]        public static extern int Logout();        /// <summary>        /// 释放所有资源        /// </summary>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_Release")]        public static extern int Release();        /// <summary>        /// 获取当前房间在线用户列表        /// </summary>        /// <param name="userIDArray">用户列表</param>        /// <param name="userNum">用户数量</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_GetOnlineUser")]        public static extern int GetOnlineUser(int[] userIDArray, ref int userNum);        /// <summary>        /// 查询用户摄像头的状态        /// </summary>        /// <param name="userid">用户ID</param>        /// <param name="state">当前状态,0为没有摄像头,1为有但没打开,2为已打开</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_GetCameraState")]        public static extern int GetCameraState(int userid, ref int state);        /// <summary>        /// 查询用户发言状态        /// </summary>        /// <param name="userid">用户ID</param>        /// <param name="state">0为没说话,1为正在说话</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_GetSpeakState")]        public static extern int GetSpeakState(int userid, ref int state);        /// <summary>        /// 查询指定用户相关状态(非字符串类型)        /// </summary>        /// <param name="userid">用户编号</param>        /// <param name="infoname">参数名,参考常量定义:BRAC_USERSTATE_XXXX</param>        /// <param name="infoval">参数地址</param>        /// <param name="infolen">参数长度</param>        /// <returns></returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_QueryUserState")]        public static extern int QueryUserState(int userid, int infoname, ref int infoval, int infolen);        // BRAC_API DWORD BRAC_QueryUserState(DWORD dwUserId, int infoname, char FAR* infoval, int infolen);        /// <summary>        /// 查询指定用户相关状态(字符串类型)        /// </summary>        /// <param name="userid">用户编号</param>        /// <param name="infoname">参数名,参考常量定义:BRAC_USERSTATE_XXXX</param>        /// <param name="infoval">参数地址</param>        /// <param name="infolen">参数长度</param>        /// <returns></returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_QueryUserState")]        public static extern int QueryUserState(int userid, int infoname, StringBuilder infoval, int infolen);        // BRAC_API DWORD BRAC_QueryUserState(DWORD dwUserId, int infoname, char FAR* infoval, int infolen);        /// <summary>        /// 显示本地视频画面调节对话框        /// </summary>        /// <param name="parent">父窗体句柄</param>        /// <param name="caption">窗体标题</param>        /// <param name="dwX">X位置</param>        /// <param name="dwY">Y位置</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_ShowLVProperty")]        public static extern int ShowLVProperty(IntPtr parent, string caption, int dwX, int dwY);        /// <summary>        /// 操作用户视频        /// </summary>        /// <param name="userid">用户ID</param>        /// <param name="open">是否打开</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_UserCameraControl")]        public static extern int UserCameraControl(int userid, bool open);        /// <summary>        /// 操作用户语音        /// </summary>        /// <param name="userid">用户ID</param>        /// <param name="open">是否打开</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_UserSpeakControl")]        public static extern int UserSpeakControl(int userid, bool open);        /// <summary>        /// 设置视频显示位置        /// </summary>        /// <param name="userid">用户ID</param>        /// <param name="hWnd">窗口句柄</param>        /// <param name="left">左位置</param>        /// <param name="top">上位置</param>        /// <param name="right">右位置</param>        /// <param name="bottom">底位置</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_SetVideoPos")]        public static extern int SetVideoPos(int userid, IntPtr hWnd, int left, int top, int right, int bottom);        /// <summary>        /// 获取指定音频设备的当前音量        /// </summary>        /// <param name="device">音频设备</param>        /// <param name="volume">音量</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_AudioGetVolume")]        public static extern int AudioGetVolume(AudioDevice device, ref int volume);        /// <summary>        /// 设置指定音频设备的音量        /// </summary>        /// <param name="device">音频设备</param>        /// <param name="volume">音量</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_AudioSetVolume")]        public static extern int AudioSetVolume(AudioDevice device, int volume);        /// <summary>        /// 利用透明通道传送数据        /// </summary>        /// <param name="userid">用户ID</param>        /// <param name="buf">缓冲区</param>        /// <param name="len">缓冲区长度</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_TransBuffer")]        public static extern int TransBuffer(int  userid, IntPtr buf, int len);        /// <summary>        /// 利用扩展透明通道传送数据        /// </summary>        /// <param name="userid">用户ID</param>        /// <param name="buf">缓冲区</param>        /// <param name="len">缓冲区长度</param>        /// <param name="wParam">附带信息1</param>        /// <param name="lParam">附带信息2</param>        /// <param name="flag">特殊标志,默认为0</param>        /// <param name="taskId">任务ID,添加任务后系统自动生成</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_TransBufferEx")]        public static extern int TransBufferEx(int userid, IntPtr buf, int len, int wParam, int lParam, int flag, ref int taskId);        /// <summary>        /// 传送文件        /// </summary>        /// <param name="userid">用户ID</param>        /// <param name="localFilePath">本地文件路径</param>        /// <param name="wParam">附带信息1</param>        /// <param name="lParam">附带信息2</param>        /// <param name="flag">特殊标志</param>        /// <param name="taskId">任务ID</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_TransFile")]        public static extern int TransFile(int userid, string localFilePath, int wParam, int lParam, int flag, ref int taskId);        /// <summary>        /// 开启或关闭录像        /// </summary>        /// <param name="userId">用户id</param>        /// <param name="startRecord">是否开启录像</param>        /// <param name="flags">标志,0为录制视频音频</param>        /// <param name="param">参数</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_StreamRecordCtrl")]        public static extern int StreamRecordCtrl(int userId, bool startRecord, ulong flags, int param);        /// <summary>        /// 抓取视频,对指定用户进行拍照        /// </summary>        /// <param name="userId"></param>        /// <param name="flags"></param>        /// <param name="param"></param>        /// <returns></returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_SnapShot")]        public static extern int SnapShot(int userId, ulong flags, int param);        /// <summary>        /// 是否打开SDK日记        /// </summary>        /// <param name="isOpen">是否打开</param>        /// <returns>0为成功,否则失败</returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_ActiveCallLog")]        public static extern int ActiveCallLog(bool isOpen);        /// <summary>        /// 设置SDK内核参数(字符串类型)        /// </summary>        /// <param name="optName">参数名</param>        /// <param name="optval">参数值</param>        /// <param name="optlen">参数长度</param>        /// <returns></returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_SetSDKOption")]        public static extern int SetSDKOption(int optName, string optval, int optlen);        /// <summary>        /// 设置SDK内核参数(非字符串类型,INT、BOOL类型)        /// </summary>        /// <param name="optName">参数名,参考常量定义:BRAC_SO_XXXX</param>        /// <param name="optval">参数地址</param>        /// <param name="optlen">参数长度</param>        /// <returns></returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_SetSDKOption")]        public static extern int SetSDKOption(int optName, ref int optval, int optlen);        /// <summary>        /// 获取SDK内核参数        /// </summary>        /// <param name="optName">参数名,参考常量定义:BRAC_SO_XXXX</param>        /// <param name="optval">保存参数值的缓冲区地址</param>        /// <param name="optlen">参数缓冲区大小</param>        /// <returns></returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_GetSDKOption")]        public static extern int GetSDKOption(int optName, ref int optval, int optlen);        /// <summary>        /// 枚举视频设备        /// </summary>        /// <param name="deviceName"></param>        /// <param name="deviceNum"></param>        /// <returns></returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_EnumVideoCapture")]        public static extern int EnumVideoCapture(IntPtr[] deviceName, ref int deviceNum);        /// <summary>        /// 指定特定视频设备        /// </summary>        /// <param name="deviceName"></param>        /// <returns></returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_SelectVideoCapture")]        public static extern int SelectVideoCapture(string deviceName);        /// <summary>        /// 获取当前视频设备        /// </summary>        /// <param name="deviceName"></param>        /// <param name="length"></param>        /// <returns></returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_GetCurVideoCapture")]        public static extern int GetCurVideoCapture(StringBuilder deviceName, int length);        /// <summary>        /// 枚举音频设备        /// </summary>        /// <param name="deviceName"></param>        /// <param name="deviceNum"></param>        /// <returns></returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_EnumAudioCapture")]        public static extern int EnumAudioCapture(IntPtr[] deviceName, ref int deviceNum);        /// <summary>        /// 指定特定音频设备        /// </summary>        /// <param name="deviceName"></param>        /// <returns></returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_SelectAudioCapture")]        public static extern int SelectAudioCapture(string deviceName);        /// <summary>        /// 获取当前音频设备        /// </summary>        /// <param name="deviceName"></param>        /// <param name="length"></param>        /// <returns></returns>        [DllImport("BRAnyChatCore.dll", EntryPoint = "BRAC_GetCurAudioCapture")]        public static extern int GetCurAudioCapture(StringBuilder deviceName, int length);        #endregion    }}

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