eaxing_back_africa_main/Service/Sound/SoundClient/NAudioClientDll.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;


namespace Service.Sound.SoundClient;

public class NAudioClientDll
{
    /**************************************常量定义**************************************/
    /*返回值定义*/
    public const int RET_SUCCESS = 0;
    public const int RET_INIT_CLIENT_FAIL = 1; //初始化客户端失败
    public const int RET_OPEN_AUDIOFILE_FAIL = 2; //打开音频文件失败
    public const int RET_INIT_PAGING_FAIL = 3; //初始化寻呼失败
    public const int RET_START_RECORD_FAIL = 4; //启动录音失败
    public const int RET_RESPONSE_TIMEOUT = 5; //响应超时
    public const int RET_LOCAL_IS_CALLING = 6; //正在进行本地对讲
    public const int RET_DEV_EXIST_IN_CALLINST = 7; //对讲实例中已存在该设备
    public const int RET_BOTH_DEV_IS_LOCALIP = 8; //对讲实例中双方都是本地IP
    public const int RET_CALLINST_NOT_EXIST = 9; //对讲实例不存在

    /*设备状态定义*/
    public const ushort DEVS_OFFLINE = 0; //离线状态
    public const ushort DEVS_IDLE = 1; //空闲状态
    public const ushort DEVS_PLAYING = 2; //播放状态
    public const ushort DEVS_INTERCOM = 3; //对讲状态
    public const ushort DEVS_SAMPLER = 4; //采集状态

    /*播放状态*/
    public const int PS_STOP = 0; //播放停止状态 
    public const int PS_PLAYING = 1; //播放中
    public const int PS_PAUSE = 2; //播放暂停状态

    /*场景类型定义*/
    public const byte SCENE_PLAY_AUDIOFILE = 0; //播放音频文件
    public const byte SCENE_PLAY_TTS = 1; //文字转语音播放
    public const byte SCENE_PLAY_PAGING = 2; //话筒寻呼播放
    public const byte SCENE_PLAY_STREAM = 3; //音频流播放

    //播放实例		
    public const byte PLAY_INST1 = 0; //播放实例1
    public const byte PLAY_INST2 = 1; //播放实例2
    public const byte PLAY_INST3 = 2; //播放实例3
    public const byte PLAY_INST4 = 3; //播放实例4
    public const byte PLAY_INST5 = 4; //播放实例5

    //呼叫状态	
    public const int CALLS_IDLE = 0; //空闲状态
    public const int CALLS_START = 1; //启动对讲
    public const int CALLS_RING = 2; //响铃状态
    public const int CALLS_CALLING = 3; //呼叫状态
    public const int CALLS_HANGUP = 4; //挂断状态

    //呼叫回调类型
    public const uint CALLCB_NONE = 0;
    public const uint CALLCB_STATUS_CHANGE = 1; //对讲状态改变 
    public const uint CALLCB_SEND_AUDIO_DATA = 2; //发送到设备的语音数据
    public const uint CALLCB_RECV_AUDIO_DATA = 3; //接收到的语音数据
    public const uint CALLCB_CMD_REQ_TIMEOUT = 4; //命令请求超时

    //命令请求超时类型	
    public const int START_CALL_TMO = 1; //启动呼叫超时
    public const int PING_CALL_TMO = 2; //PING超时
    public const int ANSWER_CALL_TMO = 3; //接听呼叫超时
    public const int STOP_CALL_TMO = 4; //停止呼叫超时
    public const int RECV_DATA_TMO = 5; //接收数据超时

    //音频流格式
    public const int ASF_PCM = 0; //PCM格式
    public const int ASF_MP3 = 1; //mp3格式
    public const int ASF_IMA_ADPCM = 2; //IMA-ADPCM格式


    //网络话筒的音源
    public const byte NM_AS_MIC = 0; //前置MIC
    public const byte NM_AS_LINEIN = 1; //后置LINEIN

    //网络话筒广播采样率定义
    public const ushort NM_SMPR_8KHZ = 0;
    public const ushort NM_SMPR_16KHZ = 1;
    public const ushort NM_SMPR_24KHZ = 1;
    public const ushort NM_SMPR_32KHZ = 1;

    //回调类型定义
    public const int CBT_NONE = 0;
    public const int CBT_RECV_AUDIOSTREAM = 1; //收到音频流


    /*播放信息*/
    [StructLayout(LayoutKind.Sequential)]
    public struct sPlayInfo
    {
        public uint playStatus; //播放状态
        public int progress; //播放进度0-100
        public uint totalTime; //总播放时间(单位s)
        public uint samplerate; //采样率
        public uint bitrate; //比特率
    }

    /*对讲实例信息*/
    [StructLayout(LayoutKind.Sequential)]
    public struct sCallInstInfo
    {
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
        public string call_devip; // //主叫IP 

        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
        public string called_devip; // //被叫IP 

        uint call_status; //呼叫状态
    }

    /*设备信息*/
    [StructLayout(LayoutKind.Sequential)]
    public struct sDeviceInfo
    {
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
        public string devip; // //设备IP 

        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
        public string devname; // //设备名称 
    }

    /*分组信息*/
    [StructLayout(LayoutKind.Sequential)]
    public struct sGroupInfo
    {
        public byte groupno; // //组编号 

        [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]
        public byte[] reserve; //设备名称 

        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
        public string devname; // //设备名称 
    }

    /*广播信息*/
    [StructLayout(LayoutKind.Sequential)]
    public struct sCastPara
    {
        public byte audio_src; //音源,只对网络话筒有效(NM_AS_MIC \NM_AS_LINEIN)
        public byte priority; //优先级 (1-255)
        public ushort samplerate; //采样率
        public byte input_gain; //输入增益	

        [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]
        public byte[] reserve; //reserve 			
    }

    /*音频流格式*/
    [StructLayout(LayoutKind.Sequential)]
    public struct sAudioFrame
    {
        public uint audio_head; //音频包头标记
        public byte scene_type; //场景,0:广播,1:对讲,2
        public byte instance; //实例
        public byte priority; //帧优先级
        public byte audiofmt; //音频格式	
        public uint sampleRate; //采样率
        public uint bitrate; //比特率	

        [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]
        public byte[] reserve; //保留

        public byte addr_type; //地址类型,0:编号,1:IP地址
        public uint audio_src; //音源（设备编号/IP）
        public uint audio_dst; //目标（设备编号/IP)，仅对讲时用
        public uint frame_no; //帧序号	
        public ushort frame_len; //数据帧长度
        public ushort reserve1; //保留

        [MarshalAs(UnmanagedType.ByValArray, SizeConst = 1200)]
        public byte[] data; //帧数据
    }


    /*播放状态改变回调函数*/
    public delegate void PlayStatusChange(byte scene, byte inst, uint status);

    /*对讲回调函数*/
    public delegate void CallCallback(IntPtr call_inst, uint cbtype, IntPtr data, uint len);

    public delegate void ClientCallBack(string devip, uint cbtype, IntPtr data, uint len);

    /*********************通用控制函数*********************/
    /*网络音频客户端启动(初始化)
    localIP:本机IP地址
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_client_init(string devip);

    /*网络音频客户端启动(初始化)	
    funcPlayStatusChange:播放状态回调函数
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_client_start(PlayStatusChange funcPlayStatusChange);

    /*设置回调函数，
    client_cb:回调通知函数
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_set_callback(ClientCallBack funcClientCB);

    /*
    停止客户端
    程序退出时调用
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_client_stop();

    /*添加播放设备到指定场景的播放实例
    scene:播放场景,SCENE_PLAY_AUDIOFILE、SCENE_PLAY_TTS、SCENE_PLAY_PAGING
    inst:播放实例，PLAY_INST1、PLAY_INST2...
    devip:添加的设备IP
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_add_play_device(byte scene, byte inst, string devip);

    /*从指定场景的播放实例移除播放设备
    scene:播放场景,SCENE_PLAY_AUDIOFILE、SCENE_PLAY_TTS、SCENE_PLAY_PAGING
    inst:播放实例，PLAY_INST1、PLAY_INST2...
    devip:移除的设备IP
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_remove_play_device(byte scene, byte inst, string devip);

    /*清空指定场景播放实例的播放设备
    scene:播放场景,SCENE_PLAY_AUDIOFILE、SCENE_PLAY_TTS、SCENE_PLAY_PAGING
    inst:播放实例，PLAY_INST1、PLAY_INST2...
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_clear_play_device(byte scene, byte inst);

    /*获取设备名称
    devip:设备IP
    devname:获取到的设备名称,最大32byte
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_get_device_name(string devip, IntPtr devname);

    /*获取设备状态
    devno:设备编号
    status:设备状态,DEVS_OFFLINE、DEVS_IDLE....
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_get_device_status(string devip, ref ushort status);

    /*获取设备音量
    devip:设备IP
    volume:设备音量,0-100....
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_get_device_volume(string devip, ref byte volume);

    /*设置设备音量
    devip:设备IP
    volume:设备音量,0-100....
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_set_device_volume(string devip, byte volume);

    /*获取设备分组(临时组播)
    devip:设备IP
    group:设备分组,0-255....
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_get_device_temp_group(string devip, ref byte group);

    /*设置设备分组(临时组播)
    devno:设备IP
    group:设备音量,0-255....
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_set_device_temp_group(string devip, byte group);

    /*移除设备分组(临时组播)
    devno:设备IP
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_remove_device_temp_group(string devip);

    /*
    获取播放设备
    scene:播放场景,SCENE_PLAY_AUDIOFILE、SCENE_PLAY_TTS、SCENE_PLAY_PAGING
    inst:播放实例，PLAY_INST1、PLAY_INST2...
    pdevlist:获取到的设备编号列表
    devcnt:获取到的设备数目
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_get_play_device(byte scene, byte inst, IntPtr[] devip, ref int devcnt);

    /*设置播放音量(音源)
    scene:播放场景,SCENE_PLAY_AUDIOFILE、SCENE_PLAY_TTS、SCENE_PLAY_PAGING
    inst:播放实例，PLAY_INST1、PLAY_INST2...
    volume:音量(0-100)
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_set_play_volume(byte scene, byte inst, int volume);

    /*获取播放音量(音源)
    scene:播放场景,SCENE_PLAY_AUDIOFILE、SCENE_PLAY_TTS、SCENE_PLAY_PAGING
    inst:播放实例，PLAY_INST1、PLAY_INST2...
    volume:音量(0-100)
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_get_play_volume(byte scene, byte inst, ref int volume);

    /*设置TTS播放语速
    inst:播放实例，PLAY_INST1、PLAY_INST2...
    speed:语速(-10~+10,0为正常语速)
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_set_tts_speed(byte inst, int speed);

    /*设置推流音频参数
    inst:推流播放实例，PLAY_INST1、PLAY_INST2...
    audiofmt:音频流格式,ASF_PCM、ASF_MP3
    channelnbr:通道数(仅对PCM格式有效)
    samplerate:采样率(仅对PCM格式有效)
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_set_audio_stream_para(byte inst, int audiofmt, int channelnbr, int samplerate);

    /*发送音频数据
    inst:推流播放实例，PLAY_INST1、PLAY_INST2...
    data:发送的音频数据
    len:音频数据长度
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_send_play_data(byte inst, byte[] data, int len);

    /*获取TTS播放语速
    inst:播放实例，PLAY_INST1、PLAY_INST2...
    speed:语速(-10~+10,0为正常语速)
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_get_tts_speed(byte inst, ref int speed);

    /*启动音频播放,同时传入要播放的设备
    scene:播放场景,SCENE_PLAY_AUDIOFILE、SCENE_PLAY_TTS、SCENE_PLAY_PAGING
    inst:播放实例，PLAY_INST1、PLAY_INST2...
    audiosrc:
        音频文件播放场景:audiosrc为音频文件路径,支持mp3、wma、wav 格式音频
        文字转语音播放场景:audiosrc为需要播放的文字
        寻呼场景:忽略此参数
    priority:音源的优先级(0-255),值越大优先级越高
    pdevlist:播放的设备编号列表
    devcnt:设备数目
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_start_play(byte scene, byte inst, string audiosrc, int priority, IntPtr[] devip,
        ref int devcnt);

    /*启动同步音频播放,同时传入要播放的设备,播放完成后函数返回,实时寻呼场景除外(立即返回)
    scene:播放场景,SCENE_PLAY_AUDIOFILE、SCENE_PLAY_TTS、SCENE_PLAY_PAGING
    inst:播放实例，PLAY_INST1、PLAY_INST2...
    audiosrc:
        音频文件播放场景:audiosrc为音频文件路径,支持mp3、wma、wav 格式音频
        文字转语音播放场景:audiosrc为需要播放的文字
        寻呼场景:忽略此参数
    priority:音源的优先级(0-255),值越大优先级越高
    pdevlist:播放的设备编号列表
    devcnt:设备数目
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_start_play_sync(byte scene, byte inst, string audiosrc, int priority, IntPtr[] devip,
        ref int devcnt);

    /*启动音频播放,播放设备通过na_add_play_device和na_remove_play_device函数添加和删除
    scene:播放场景,SCENE_PLAY_AUDIOFILE、SCENE_PLAY_TTS、SCENE_PLAY_PAGING
    inst:播放实例，PLAY_INST1、PLAY_INST2...
    audiosrc:
        音频文件播放场景:audiosrc为音频文件路径,支持mp3、wma、wav 格式音频
        文字转语音播放场景:audiosrc为需要播放的文字
        寻呼场景:忽略此参数
    priority:音源的优先级(0-255),值越大优先级越高
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_start_play_1(byte scene, byte inst, string audiosrc, int priority);

    /*启动同步音频播放,播放设备通过na_add_play_device和na_remove_play_device函数添加和删除,播放完成后函数返回,实时寻呼场景除外(立即返回)
    scene:播放场景,SCENE_PLAY_AUDIOFILE、SCENE_PLAY_TTS、SCENE_PLAY_PAGING
    inst:播放实例，PLAY_INST1、PLAY_INST2...
    audiosrc:
        音频文件播放场景:audiosrc为音频文件路径,支持mp3、wma、wav 格式音频
        文字转语音播放场景:audiosrc为需要播放的文字
        寻呼场景:忽略此参数
    priority:音源的优先级(0-255),值越大优先级越高
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_start_play_sync_1(byte scene, byte inst, string audiosrc, int priority);

    /*暂停播放音频
    scene:播放场景,SCENE_PLAY_AUDIOFILE、SCENE_PLAY_TTS、SCENE_PLAY_PAGING
    inst:播放实例，PLAY_INST1、PLAY_INST2...
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_pause_play(byte scene, byte inst);

    /*暂停之后恢复播放音频
    scene:播放场景,SCENE_PLAY_AUDIOFILE、SCENE_PLAY_TTS、SCENE_PLAY_PAGING
    inst:播放实例，PLAY_INST1、PLAY_INST2...
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_restore_play(byte scene, byte inst);

    /*停止播放音频
    scene:播放场景,SCENE_PLAY_AUDIOFILE、SCENE_PLAY_TTS、SCENE_PLAY_PAGING
    inst:播放实例，PLAY_INST1、PLAY_INST2...
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_stop_play(byte scene, byte inst);

    /*获取播放信息
    scene:播放场景,SCENE_PLAY_AUDIOFILE、SCENE_PLAY_TTS、SCENE_PLAY_PAGING
    inst:播放实例，PLAY_INST1、PLAY_INST2...
    playinfo:获取到的播放信息
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_get_playinfo(byte scene, byte inst, ref sPlayInfo playinfo);

    /*获取播放状态
    scene:播放场景,SCENE_PLAY_AUDIOFILE、SCENE_PLAY_TTS、SCENE_PLAY_PAGING
    inst:播放实例，PLAY_INST1、PLAY_INST2...
    status:获取到的播放状态
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_get_play_status(byte scene, byte inst, ref uint status);


    /**************************************对讲接口*******************************************/

    /*设置对讲回调函数，
    talk_cb:对讲回调函数
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_set_call_callback(CallCallback funcCallCallback);

    /*软件作为主叫方启动对讲，
    call_inst:对讲实例
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_start_call(out IntPtr call_inst, string called_devip);

    /*软件停止对讲，
    call_inst:对讲实例
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_stop_call(IntPtr call_inst);

    /*软件作为被叫方接听对讲，
    call_inst:对讲实例
    */

    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_answer_call(IntPtr call_inst);

    /*获取对讲实例信息
    call_inst:对讲的实例
    p_inst_info:实例信息
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_get_call_inst_info(IntPtr call_inst, ref sCallInstInfo instinfo);

    /**************************************网络话筒相关接口*******************************************/

    /*设置网络话筒的广播设备
    devip:话筒的IP地址	
    devinfo:设备信息
    devcnt:设备数目
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_nm_set_castdev(string devip, IntPtr devinfo, int devcnt);

    /*设置网络话筒的广播分组
    devip:话筒的IP地址
    groupinfo:分组信息
    groupcnt:分组数目
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_nm_set_castgroup(string devip, IntPtr groupinfo, int groupcnt);

    /*网络话筒启动广播
    devip:话筒的IP地址
    groupinfo:分组信息
    groupcnt:分组数目
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_nm_start_cast(string devip, sCastPara cast_para);

    /*网络话筒停止广播
    devip:话筒的IP地址
    groupinfo:分组信息
    groupcnt:分组数目
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_nm_stop_cast(string devip);

    /**************************************端口控制接口*******************************************/
    /*获取设备端口状态，
    devip:设备IP
    iomode:端口模式,一个端口占2bit,0:悬空输入；1:上拉输入;2:下拉输入;3:推挽输出
    ioval:端口值
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_get_iostatus(string devip, ref uint iomode, ref uint ioval);

    /*获取设备端口状态，
    devip:设备IP
    ioval:端口值，低16bit表示要设置的端口值，高16bit指定哪个端口需要设置
    */
    [DllImport("NAudioClientDll.dll", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
    public static extern int na_set_ioval(string devip, uint ioval);
}