📄 mediatransmit.h
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#ifndef MEDIATRANSMIT_INCLUDE
#define MEDIATRANSMIT_INCLUDE
#ifdef MEDIATRANSMIT_EXPORTS
#define MEDIATRANSMIT_API __declspec(dllexport)
#else
#define MEDIATRANSMIT_API __declspec(dllimport)
#endif
/*命令执行返回值 0-31为系统使用，32-63为用户自定义错误*/
#define ERR_CMD_SUCCESS 0
#define ERR_CMD_TIMEOUT 1
#define ERR_CMD_INVALID 2
#define ERR_CMD_OUTOFMEMORY 3
#define ERR_CMD_OUTOFUSER 4
#define ERR_CMD_REQ_EXIST 5
#define ERR_CMD_OUTOFRESOURCE 6
#define ERR_CMD_CRCCHECK 7
#define ERR_CMD_SRVNOTFOUND 8 /*服务器没有注册*/
#define ERR_CON_RESET 12 //connection reset.
#define ERR_CON_REMOTE_CLOSE 13
/*系统错误常量定义 128 - ~*/
#define ERR_SYS_NOTMCARD 128 /*没有VC404卡*/
#define ERR_SYS_UNINITIALIZE 129 /*系统未初始化*/
#define ERR_SYS_OUTOFMEMORY 130 /*内存资源请求错误*/
#define ERR_SYS_NONEWCALL 131 /*没有创建Call资源*/
#define ERR_SYS_NOCONNCALL 132 /*没有连接的Call*/
#define ERR_SYS_NONSTANDPARAM 133 /*使用非标准参数*/
#define ERR_SYS_SETSOCKETBUF 134 /*设置网络收发缓冲时出错*/
#define ERR_SYS_ROLEACT 135 /*角色错误*/
#define ERR_SYS_OUTOFIDRANGE 136 /*非法call id*/
#define ERR_SYS_WANMULTICAST 137 /*广域网多播错误*/
#define ERR_SYS_MULTICASTADDR 138 /*多播地址错误*/
#define ERR_SYS_JOINMULTIGROUP 139 /*加入多播组错误*/
#define ERR_SYS_CREATWINDOW 140 /*创建overlay依附窗体时出错*/
#define ERR_SYS_CREATEOVERLAY 141 /*overlay表面创建错误*/
#define ERR_SYS_INVALIDWINDOW 142 /*创建视频设备时主窗口参数错误*/
#define ERR_SYS_CAPMODE 143 /*捕获模式错误*/
#define ERR_SYS_CREATECAPFILE 144 /*创建捕获文件时出错*/
#define ERR_SYS_CAPAUDIO 145 /*音频捕获存盘错误*/
#define ERR_SYS_CAPVIDEO 146 /*视频捕获存盘错误*/
#define ERR_SYS_MPEG4 147 /*MPEG4初始化错误*/
#define ERR_SYS_INVALDOBJECTID 148 /*无效的对象id,对象未初始化*/
#define ERR_SYS_OPENPLAYFILE 149 /*回放文件不存在或格式错误*/
#define ERR_SYS_PLAYFILETYPE 150 /*未知的播放媒体类型*/
#define ERR_SYS_PLAYFILEFORMAT 151 /*播放文件格式错误*/
#define ERR_SYS_GETBASETIME 152 /*不能获取播放文件基准时间*/
#define ERR_SYS_UNINITPLAY 153 /*未成功初始化的回放操作*/
#define ERR_SYS_PLAYLOCATE 154 /*回放文件定位错误*/
#define ERR_SYS_PLAYMODE 155 /*无效的播放模式*/
#define ERR_SYS_DISPLAYINIT 156 /*显示设备未初始化*/
#define ERR_SYS_PARAMLEN 157 /*注册服务器时参数长度错误*/
#define ERR_SYS_REGUSERNAME 158 /*非法注册用户名*/
#define ERR_SYS_WAITFAILED 159 /*对象等待出错*/
/*角色定义*/
#define WORK_AS_SERVER 0 /*发送端*/
#define WORK_AS_CLIENT 1 /*接收端*/
#define WORK_AS_SUPPLY 2 /*代理端*/
#define SAVE_VIDEO_DATA 0x1 /*存储视频流*/
#define SAVE_AUDIO_DATA 0x2 /*存储音频流*/
#define PLAY_VIDEO_DATA 0x1 /*播放视频流*/
#define PLAY_AUDIO_DATA 0x2 /*播放音频流*/
#ifndef WM_VIDEOWND_NOTIFY
#define WM_VIDEOWND_NOTIFY WM_USER+0x501
#endif
typedef struct tagTrafficStatus
{
DWORD Rxbitrate; /*当前Rx bit rate 统计值*/
DWORD Framerate; /*当前Frame rate 统计值*/
DWORD IFramerate; /*当前IFrame bitrate 统计值*/
DWORD PFramerate; /*当前PFrame bit rate 统计值,暂不用*/
}TRAFFIC_PARAM;
typedef enum tagDecoderType
{
MPEG4_DEC,
XVID_DEC
}DECODER_TYPE;
typedef enum Mpeg4Version
{
MPEG4_V1 = 1,
MPEG4_V2,
MPEG4_V3,
MPEG4_XVID
}MPEG4_VERSION;
/*命令请求参数定义(0-15供系统请求发送使用，16-31供NTF通知请求使用，32-127为自定义区*/
#define REQ_AV_STREAM 1 /*请求视频+音频流*/
#define REQ_VI_STREAM 2 /*请求视频流*/
#define REQ_AU_STREAM 3 /*请求音频流*/
#define REQ_CLEAR_AV 4 /*请求关闭AV流*/
#define REQ_CLEAR_VI 5 /*请求关闭视频流*/
#define REQ_CLEAR_AU 6 /*请求关闭音频流*/
#define NTF_FREE_CALL 16 /*服务器通知,远端终止*/
#define NET_STATUS 32 //connection status.
MEDIATRANSMIT_API WORD MTACalculateCrc(BYTE *pData,int nSize);
MEDIATRANSMIT_API void MTASetRequestTimeOut(WORD usTimeOut);
MEDIATRANSMIT_API BOOL MTASetVideoOut(int nCallID,int nIndex);
MEDIATRANSMIT_API int MTAGetIndexByCallID(int nCallID);
MEDIATRANSMIT_API int MTAGetCallIDByIndex(int nIndex);
MEDIATRANSMIT_API int MTASetSplitMode(int nMode);
MEDIATRANSMIT_API int MTAPageDown();
MEDIATRANSMIT_API int MTAPageUp();
MEDIATRANSMIT_API int MTAGetPageNo();
MEDIATRANSMIT_API BOOL MTACreateAudioDevice(HWND hMainWnd);
MEDIATRANSMIT_API BOOL MTASetAudioPass(int nObjID);
MEDIATRANSMIT_API void MTASendMessage(UINT nMessage,WPARAM wParam,LPARAM lParam);
MEDIATRANSMIT_API int MTACreateVideoDevice(HWND hParentWnd, /*父窗口*/
HWND hNotifyWnd, /*消息通知窗口*/
RECT rect,
int nWidth,
int nHeight,
int nSpace, /*间隔*/
BOOL bUseOverlay);
MEDIATRANSMIT_API void MTASetLastError(int Errno);
MEDIATRANSMIT_API int MTAGetLastError();
MEDIATRANSMIT_API BOOL MTASetWndPos(RECT rc);
MEDIATRANSMIT_API void MTAGetNetTraffic(int nCallID,TRAFFIC_PARAM &TrafficBuf);
typedef void (*EvCaptureAbnormity)(int nCallID,int nError);
MEDIATRANSMIT_API BOOL MTAStartCapture(int nCallID,
const char *pFileName,
DWORD dwMode,
EvCaptureAbnormity evCapAbnormity);
MEDIATRANSMIT_API void MTAStopCapture(int nCallID);
MEDIATRANSMIT_API BOOL MTAGetCapState(int nCallID,BOOL &bCapVid,BOOL &bCapAud);
typedef void (*EvCmdRespond)(int nCallId,unsigned char biCmd,int nResult,BYTE *pRetData);
MEDIATRANSMIT_API BOOL MTALoadLibrary(WORD usLocalPort, /*本地帧听端口*/
WORD usRole); /*角色*/
MEDIATRANSMIT_API void MTAFreeLibrary();
MEDIATRANSMIT_API BOOL MTAConfigNetwork(int nCallID,int &iSndBufSize,int &iRcvBufSize);
MEDIATRANSMIT_API LONGLONG MTARequest(int nCallID, /*Call ID*/
BYTE biReqType, /*请求命令字*/
BYTE biMaxRepeat, /*最大重试次数*/
BYTE *pAnnexData, /*附加数据*/
WORD inDataSize, /*附加数据长度*/
BYTE *pRetBuffer, /*返回数据存放地址*/
WORD retBufSize, /*缓冲区长度*/
HANDLE hEventNotify, /*通知事件*/
EvCmdRespond evCallNotify); /*通知回调函数*/
MEDIATRANSMIT_API LONGLONG MTANotify(char *pClientAddr, /*客户机地址*/
WORD usClientPort, /*客户机端口*/
BYTE biReqType, /*请求命令字*/
BYTE biMaxRepeat, /*最大重试次数*/
BYTE *pAnnexData, /*附加数据*/
WORD inDataSize, /*附加数据长度*/
BYTE *pRetBuffer, /*返回数据存放地址*/
WORD retBufSize, /*缓冲区长度*/
HANDLE hEventNotify, /*通知事件*/
EvCmdRespond evCallNotify); /*通知回调函数*/
MEDIATRANSMIT_API int MTANewCall(char *pRemoteIp,
WORD usRemotePort,
BYTE biCardNo);
MEDIATRANSMIT_API BOOL MTAMakeCall(int nCallID,
BYTE biReqType,
BOOL bWANCall,
BYTE *lpSndData,
BYTE biSndSize,
HANDLE hEventNotify,
EvCmdRespond evCallNotify);
MEDIATRANSMIT_API void MTAClearCall(int nCallId,BOOL bWait);
MEDIATRANSMIT_API void MTADiscardCall(BYTE biCard,
DWORD dwRemoteIp,
WORD usRemotePort,
BOOL bWait);
MEDIATRANSMIT_API BOOL MTARequestStream(int nCallID, /*Call ID*/
BOOL bVStream, /*TRUE:视频流，FALSE:音频流*/
BOOL bOpen, /*TRUE:打开，FALSE:关闭*/
BYTE *lpSndData, /*附加数据指针*/
BYTE biSndSize, /*附加数据长度*/
HANDLE hEventNotify, /*通知事件*/
EvCmdRespond evCallNotify); /*通知回调函数*/
typedef BYTE (*EvInComingRequest)(DWORD dwIp,WORD usPort,BYTE biCardNo,BYTE biCmd,BYTE *lpInData,WORD biInSize,BYTE *lpOutData,WORD &biOutSize);
MEDIATRANSMIT_API BOOL MTARegNotifier(EvInComingRequest evNotifier);
MEDIATRANSMIT_API BOOL MTAWriteVideo(BYTE nCardNo, BYTE *pData,
LONG lSize, BOOL bIFrm);
MEDIATRANSMIT_API BOOL MTAWriteAudio(BYTE nCardNo, BYTE *pData,
LONG lSize);
/*回放函数定义*/
MEDIATRANSMIT_API int MTANewPlayBack(LPCTSTR lpFileName);
MEDIATRANSMIT_API void MTAFreePlayBack(int nPlayBackId);
MEDIATRANSMIT_API BOOL MTAOpenFile(int nPlayBackID,LPCTSTR lpFileName);
MEDIATRANSMIT_API void MTACloseFile(int nPlayBackID);
MEDIATRANSMIT_API BOOL MTASetPlayPosition(int nPlayBackID, DWORD dwPlayTime);
MEDIATRANSMIT_API DWORD MTAGetPlayPosition(int nPlayBackID,BOOL &bPlaying);
MEDIATRANSMIT_API BOOL MTAGetVideoSize(int nPlayBackID,WORD &usWidth,WORD &usHeight);
MEDIATRANSMIT_API BOOL MTAStartPlay(int nPlayBackID,DWORD dwMode);
MEDIATRANSMIT_API void MTAPausePlay(int nPlayBackID);
MEDIATRANSMIT_API int MTAGetPlayTimeLen(int nPlayBackID);
/*内网-内网专用函数*/
MEDIATRANSMIT_API BOOL MTARegServer(const char *lpRegUserName, /*注册用户名*/
const char *lpRegPassword, /*注册密码*/
const char *lpSupplyAddr, /*代理地址*/
WORD usSupplyPort, /*代理端口*/
EvCmdRespond evCallNotify); /*响应回调函数*/
MEDIATRANSMIT_API BOOL MTAGetSrvAddr(int nCallID, /*call id*/
const char *lpServerName, /*服务器注册名*/
const char *lpSupplyAddr, /*代理地址*/
WORD usSupplyPort); /*代理端口*/
/*MPEG4 VERSION SET FUNCTION*/
MEDIATRANSMIT_API BOOL MTASetMpeg4Version(MPEG4_VERSION nVersion);
typedef void (*EvVidMpeg)(int nCallId, BYTE* pBuf, BOOL bIntraFrm, DWORD dwFrmSize, DWORD dwTimeStramp);
MEDIATRANSMIT_API BOOL MTARegVidMpegCallBack(int nCallID, BOOL bEnCallBack, EvVidMpeg evVid);
typedef void (*EvAudMpeg)(int nCallId, BYTE* pBuf, DWORD dwFrmSize, DWORD dwTimeStramp);
MEDIATRANSMIT_API BOOL MTARegAudMpegCallBack(int nCallID, BOOL bEnCallBack, EvAudMpeg evAud);
MEDIATRANSMIT_API BOOL MTADrawFrame( int nIndex );
#endif⌨️ 快捷键说明
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