Technical Helpweb

Dialogic® Multimedia Platform for AdvancedTCA

M3G Device Connections

if ( dev_GetTransmitPortInfo(IPMHandle, this) != DEV_SUCCESS ) 
  { 
  LOG_ERROR(IPMHandle,"dev_GetTransmitPortInfo() failure\n"); 
  } 
  if ( dev_GetReceivePortInfo(m_IPMHandle, this) != DEV_SUCCESS ) 
  { 
  LOG_ERROR(IPMHandle,"dev_GetTransmitPortInfo() failure\n"); 
  }

DM_PORT_INFO_LIST* pPortInfoList 
  
  for ( unsigned int i=0; i< pPortInfoList->unCount; i++ ) 
    { 
      switch ( pPortInfoList->port_info[i].port_media_type ) {
        case DM_PORT_MEDIA_TYPE_AUDIO: 
          if ( metaevent.evttype == DMEV_GET_TX_PORT_INFO ) 
          { 
            memcpy(&m_audioPortTxInfo, &pPortInfoList->port_info[i], 
                   sizeof(DM_PORT_INFO)); 
          } 
          else 
          { 
            memcpy(&m_audioPortRxInfo, &pPortInfoList->port_info[i], 
                   sizeof(DM_PORT_INFO)); 
          } 
         break;      
         case DM_PORT_MEDIA_TYPE_VIDEO: 
           if ( metaevent.evttype == DMEV_GET_TX_PORT_INFO ) 
             { 
               memcpy(&m_videoPortTxInfo, &pPortInfoList->port_info[i], 
                      sizeof(DM_PORT_INFO)); 
             } 
           else 
           { 
             memcpy(&m_videoPortRxInfo, &pPortInfoList->port_info[i], 
                    sizeof(DM_PORT_INFO)); 
           } 
           break; 
       } 
    }

// Assume these all contain valid port info 
  DM_PORT_INFO ipmlAudioPortRxInfo; 
  DM_PORT_INFO ipmlVideoPortRxInfo; 
  DM_PORT_INFO m3gAudioPortTxInfo; 
  DM_PORT_INFO m3gVideoPortTxInfo; 
  
  // This is empty 
  DM_PORT_CONNECT_INFO_LIST portConnectInfoList; 
 
  // Initialize the list 
  memset (portConnectInfoList, 0, sizeof(DM_PORT_CONNECT_INFO_LIST)); 
  portConnectInfoList.unCount = 1; 
  portConnectInfoList.unVersion = DM_PORT_CONNECT_INFO_LIST_VERSION_0; 
  portConnectInfoList.port_connect_info[0].unVersion = DM_PORT_CONNECT_INFO_VERSION_0; 
  
  // "Native" mode means that the packet stream will pass unchanged from one 
  // device to the other - no transcoding takes place. 
  portConnectInfoList.port_connect_info[0].unFlags = DMFL_TRANSCODE_NATIVE; 
  
  // First call connects the Tx of 3G device to Rx of IPM device (Audio) 
  memcpy(&(portConnectInfoList.port_connect_info[0].port_info_tx), 
         &m3gAudioPortTxInfo, 
         sizeof(DM_PORT_INFO)); 
  memcpy(&(portConnectInfoList.port_connect_info[0].port_info_rx), 
         &ipmlAudioPortRxInfo, 
         sizeof(DM_PORT_INFO)); 
  memcpy(portConnectInfoList.port_connect_info[0].port_info_rx.device_ID, 
         portConnectInfoList.port_connect_info[0].port_info_tx.device_ID, 
         16*sizeof(char)); 
 

  if ( DEV_SUCCESS != dev_PortConnect(m3gAudioHandle, &portConnectInfoList, this)) 
  { 
    LOG_ERROR(m3gAudioHandle, "dev_PortConnect() failure in M3G endpoint - %s\n", 
              ATDV_ERRMSGP(m3gAudioHandle)); 
   } 
  
  // Reinitalize list 
  memset (portConnectInfoList, 0, sizeof(DM_PORT_CONNECT_INFO_LIST)); 
  portConnectInfoList.unCount = 1; 
  portConnectInfoList.unVersion = DM_PORT_CONNECT_INFO_LIST_VERSION_0; 
  portConnectInfoList.port_connect_info[0].unVersion = DM_PORT_CONNECT_INFO_VERSION_0; 
  portConnectInfoList.port_connect_info[0].unFlags = DMFL_TRANSCODE_NATIVE; 
  
  // Second call connects the Tx of 3G device to Rx of IPM device (Video) 
  memcpy(&(portConnectInfoList.port_connect_info[0].port_info_tx), 
         &m3gVideoPortTxInfo, 
         sizeof(DM_PORT_INFO)); 
  memcpy(&(portConnectInfoList.port_connect_info[0].port_info_rx), 
         &ipmlVideoPortRxInfo, 
         sizeof(DM_PORT_INFO)); 
  memcpy(portConnectInfoList.port_connect_info[0].port_info_rx.device_ID, 
         portConnectInfoList.port_connect_info[0].port_info_tx.device_ID, 
         16*sizeof(char)); 
  if ( DEV_SUCCESS != dev_PortConnect(m3gVideoHandle, &portConnectInfoList, this)) 
  { 
    LOG_ERROR(m3gVideohandle, 
              "dev_PortConnect() failure in M3G endpoint - %s\n", 
              ATDV_ERRMSGP(m3gVideoHandle)); 
  }

p3GObject->DoPortConnect(pIPMLObject->GetAudioRxPortInfo(), pIPMLObject->GetVideoRxPortInfo()); 
  pIPMLObject->DoPortConnect(p3GObject->GetAudioRxPortInfo(), p3GObject->GetVideoRxPortInfo());