一、監(jiān)控方案分析。監(jiān)控原有文檔中相關(guān)上墻方案以下。電視墻控制步驟以下圖所表示:電視墻控制步驟登錄后從AAS服務(wù)器獲取電視墻配置假如沒有電視墻配置,則進(jìn)行電視墻分屏方法編輯,電視墻分屏與解碼器關(guān)聯(lián)設(shè)置,設(shè)置分屏對(duì)應(yīng)通道或是通道序列,都會(huì)經(jīng)過AAS保留配置對(duì)于電視墻每一個(gè)分屏,將其對(duì)應(yīng)通道打開,或是將其對(duì)應(yīng)通道序列依次打開該方案與實(shí)際代碼不符合。代碼中唯一可能方案以下。為何說可能,因?yàn)榇a有原有方案相關(guān)代碼,即使這些代碼大部分被屏蔽掉了,但還有一部分在用,經(jīng)過分析也沒發(fā)覺在用這一部分到底有什么用。2、個(gè)人分析原有監(jiān)控代碼得出可能方案:1）前提條件:每個(gè)裝有VCT（視頻、指揮、監(jiān)控三合一用戶端）PC上配一張視頻解碼卡。2）具體上墻原理:每個(gè)視頻播放窗口與解碼卡一個(gè)通道綁定,這么播放窗口視頻在播放同時(shí)輸送到與目前播放窗口綁定解碼卡通道中。解碼卡與電視墻直接相連,這么畫面也就顯示到電視墻上了。視頻上墻原理圖二、視頻上墻關(guān)鍵代碼.1、輸出流到視頻解碼卡某個(gè)通道中。BOOLCCDMMediaPlayer::InPutYUVStream(longnChannel,char*streamPtr,intwidth,intheight,intcolorspace){ if(nChannel<HB15_GetChannels()) { CStringstrLog; time_tt; time(&t); structtm*pTM=localtime(&t); intret=0; ret=HB15_InputData(nChannel,streamPtr,width,height,colorspace); if(ret>0) { returnTRUE; } else { strLog.Format(_T("%02d:%02d:%02dInPutYUVStreamerrorchnl[%d],ret:[%d],w[%d],h[%d]."), pTM->tm_hour,pTM->tm_min,pTM->tm_sec,nChannel,ret,width,height); theLog.WriteLog(strLog); returnFALSE; } } returnFALSE;}底層OCX控件將視頻流傳給上層步驟。BEGIN_EVENTSINK_MAP(CCDMClientOcxCtrlDlg,CDialog) ON_EVENT(CCDMClientOcxCtrlDlg,IDC_IPCDMCLIENT,3,CCDMClientOcxCtrlDlg::FileInfoNotifyIpcdmclient,VTS_BSTRVTS_BSTRVTS_BSTRVTS_I4) ON_EVENT(CCDMClientOcxCtrlDlg,IDC_IPCDMCLIENT,1,CCDMClientOcxCtrlDlg::NotifyIpcdmclient,VTS_BSTRVTS_I4) ON_EVENT(CCDMClientOcxCtrlDlg,IDC_IPCDMCLIENT,2,CCDMClientOcxCtrlDlg::AlarmNotifyIpcdmclient,VTS_BSTRVTS_BSTRVTS_BSTRVTS_BSTRVTS_BSTRVTS_BSTRVTS_I4VTS_BSTRVTS_I4VTS_I4) ON_EVENT(CCDMClientOcxCtrlDlg,IDC_IPCDMCLIENT,4,CCDMClientOcxCtrlDlg::SubEventNotifyIpcdmclient,VTS_BSTRVTS_BSTRVTS_BSTRVTS_BSTR) ON_EVENT(CCDMClientOcxCtrlDlg,IDC_IPCDMCLIENT,6,CCDMClientOcxCtrlDlg::SubExchangeNotifyIpcdmclient,VTS_BSTRVTS_I4VTS_BSTR) ON_EVENT(CCDMClientOcxCtrlDlg,IDC_IPCDMCLIENT,7,CCDMClientOcxCtrlDlg::StreamNotifyIpcdmclient,VTS_I4VTS_I4) ON_EVENT(CCDMClientOcxCtrlDlg,IDC_IPCDMCLIENT,8,CCDMClientOcxCtrlDlg::KickoffNotifyIpcdmclient,VTS_I4) ON_EVENT(CCDMClientOcxCtrlDlg,IDC_IPCDMCLIENT,9,CCDMClientOcxCtrlDlg::TVStreamNotifyIpcdmclient,VTS_I4VTS_I4VTS_I4VTS_I4VTS_I4)END_EVENTSINK_MAP()voidCCDMClientOcxCtrlDlg::TVStreamNotifyIpcdmclient(longnChannel,longstreamPtr,longwidth,longheight,longcolorspace){ if(m_pNotifyReceiver){ m_pNotifyReceiver->OnTVStreamNotify(nChannel,streamPtr,width,height,colorspace); }}打開某窗口流上墻開關(guān)BOOLCMultiDisplayDlg::OpenLive(intnWndIndex,CChannel*pChannel){ if(!IS_VALID_PLAYWND_INDEX(nWndIndex)) { returnFALSE; } m_lpPlyInfo[nWndIndex].lpPlayer->Stop(); BOOLbOpen=m_lpPlyInfo[nWndIndex].lpPlayer->OpenLive(pChannel); m_lpPlyInfo[nWndIndex].lpPlayer->GetMediaPlayer()->AdaptWnd(m_bAllAdapt); m_lpPlyInfo[nWndIndex].lpPlayer->GetMediaPlayer()->OpenTVChannel(nWndIndex); CDisplayMessageMessage(DISPLAY_STREAM_SOURCE_CHANGED,this); Message.m_nWndIndex=nWndIndex; Message.Send(); returnbOpen;}BOOLCCDMMediaPlayer::OpenTVChannel(intnChannel){ if(theAppData.IsOutToTVWall()) { if(!m_bOpenChannel[nChannel]) { unsignedintn=HB15_GetChannels(); if(nChannel<n) { m_CDMClientPlayer.m_CDMClientOcxCtrl.IsTvOpenChannel(nChannel,TRUE); CStringstrLog; strLog.Format(_T("IsTvOpenChannelChnl[%d]."),nChannel); theLog.WriteLog(strLog); if(HB15_OpenChannel(nChannel)) { // HB15_ClearVideoOutput(nChannel); CStringstrLog; strLog.Format(_T("HB15_OpenChannelChnl[%d]"),nChannel); theLog.WriteLog(strLog); m_bOpenChannel[nChannel]=TRUE; returnTRUE; } else//ifopenerror,thenuinit/initcardagain. { CStringstrLog; strLog.Format(_T("HB15_OpenChannelChnl[%d]error."),nChannel); theLog.WriteLog(strLog); UninitTVCard(); InitTVCard(); CCDMPlatformCli