connect() [1/3]

bool AudioDirector::connect	(	AudioStream *	source,
		int	sourceOutput,
		AudioStream *	destination,
		int	destinationInput
	)

Definition at line 385 of file AudioDirector.cpp.

                                                                                                               {
  uint16_t i;
  if (NULL==source||NULL==destination) return false;
 
  //check if already existing
  for(i=0; i < MAX_CONNECTIONS;i++){
    if(source==p_cord[i]->pSrc && destination==p_cord[i]->pDst && sourceOutput==p_cord[i]->src_index && destinationInput==p_cord[i]->dest_index){
      //Serial.printf(F("M AudioDirector::connect() reconnect index %hu\n"),i);
      if(p_cord[i]->reconnect()) active_connections++;
      return true;
    }
  }
 
  //make sure the destination input is not already connected to something else
  this->disconnect(destination,destinationInput);
  
  //find a free connection from the pool
  for(i=0; i < MAX_CONNECTIONS;i++){
    //find any already existing but unused connections
    if (NULL!=p_cord[i]){
      if (p_cord[i]->isConnected == false){
        //Serial.printf(F("M AudioDirector::connect() connection index %hu\n"),i);
        if(p_cord[i]->rewire(source, (unsigned char)sourceOutput,destination, (unsigned char)destinationInput)) active_connections++;
        return true;
      }
    }
    if (NULL==p_cord[i]){
      //Serial.printf(F("M AudioDirector::connect() new connection index %hu\n"),i);
     
      //need to rewire after creation as the reference based approach was bypassed 
      //in favor of pointers in order to facilitate the extention of the audio connection base class
      p_cord[i] = new AudioConnection(source, (unsigned char)sourceOutput,destination, (unsigned char)destinationInput);
      p_cord[i]->rewire(source, (unsigned char)sourceOutput,destination, (unsigned char)destinationInput);
      return true; 
    }
  }
  Serial.print(F("M AudioDirector::connect() Error: No free audio connection available"));
  return false; //no empty connection slots  
}

References active_connections, disconnect(), p_cord, and AudioConnection::rewire().

Referenced by audioDirectorConnectCallback(), connect(), AppAudioToPolyphonic::makeAudioConnections(), and SvcSerialCommandInterface::update().

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