AiboLib: SoundExample.cc

#include "SoundExample.h"

#include <OPENR/ODataFormats.h>
#include <OPENR/OPENRAPI.h>
#include <OPENR/OSyslog.h>
#include <OPENR/core_macro.h>


SoundExample::SoundExample() : State(SYSTEM_IDLE), 
                               Sound(STARWARS)
{
  // init class variables
  SoundCounter = 0;
  Tog = 0;
};

OStatus SoundExample::DoInit(const OSystemEvent& event)
{
  OSYSDEBUG(("SoundExample::DoInit() \n"));
  
  NEW_ALL_SUBJECT_AND_OBSERVER;
  REGISTER_ALL_ENTRY;
  SET_ALL_READY_AND_NOTIFY_ENTRY;
  
  // load wave files 
  // TRACKXX must be defined in DESIGNDB.CFG
  Sounds.LoadWAV("TRACK01");
  Sounds.LoadWAV("TRACK02");

  // open speaker primitive
  Sounds.OpenSpeaker();
  
  // create sound vectors
  Sounds.NewSoundVectorData();
 

  // set mute on
  Sounds.SetMute(true);
 
  // turn on motor power
  // done in LedsExample
  // MotorPowerOn();

  // set mute off 
  Sounds.SetMute(false);
  //set volume
  Sounds.SetVolume(ospkvol10dB);
  // determine wave type
  Sounds.SetWaveType();

  return oSUCCESS;
};

OStatus SoundExample::DoStart(const OSystemEvent& event)
{
  OSYSDEBUG(("SoundExample::DoStart()\n"));
  
  // load waves to regions!!!!!!!!!!!!!!!!!!!!!!!!!!!
  // you have to do this vor every region!!!
  for (int i = 0; i < Sounds.GetValidRegions(); i++){
    if(Sounds.CopyWAVToRegion(i,i) == WAV_SUCCESS)
      subject[sbjSOUNDTEST]->SetData(Sounds.GetRegion(i));
  }
  
  // notify sound play back
  subject[sbjSOUNDTEST]->NotifyObservers();

  // start system
  State = SYSTEM_START;
  
  ENABLE_ALL_SUBJECT;
  ASSERT_READY_TO_ALL_OBSERVER;

  return oSUCCESS;
};

OStatus SoundExample::DoStop(const OSystemEvent& event)
{
  OSYSDEBUG(("SoundExample::DoStop()\n"));

  DISABLE_ALL_SUBJECT;
  DEASSERT_READY_TO_ALL_OBSERVER;
  return oSUCCESS;
};

OStatus SoundExample::DoDestroy(const OSystemEvent& event)
{
  OSYSDEBUG(("SoundExample::DoDestroy()\n"));
  //Sounds.DeleteWaves();

  DELETE_ALL_SUBJECT_AND_OBSERVER;
  return oSUCCESS;
};


void SoundExample::NotifySpeaker(const OReadyEvent& event)
{
  OSYSDEBUG(("SoundExample::NotifySpeaker()\n"));

  if(State == SYSTEM_START){
    OSYSDEBUG(("---NotifySpeaker:Play\n"));
    // locate free memory region
    int tmp = Sounds.FindFreeRegionIndex();
    
    // switch to the sound which should be played
    switch(Sound){
    case STARWARS : 
      // copy wav to memory region 
      if(Sounds.CopyWAVToRegion(tmp,0) == WAV_SUCCESS){
        // set region
        subject[sbjSOUNDTEST]->SetData(Sounds.GetRegion(tmp));
        // notify  OVirtualRobotAudioComm.Speaker.OSoundVectorData.O
        subject[sbjSOUNDTEST]->NotifyObservers();
      }
      else {
        OSYSDEBUG(("---NotifySpeaker(): Starwars WaveCopyError\n"));
      }
      
      break;
      
    case HELLO:
      // same as STARWARS
      if(Sounds.CopyWAVToRegion(tmp,1) == WAV_SUCCESS){
        subject[sbjSOUNDTEST]->SetData(Sounds.GetRegion(tmp));
        subject[sbjSOUNDTEST]->NotifyObservers();
      }
      else {
        OSYSDEBUG(("---NotifySpeaker(): hello WaveCopyError\n"));
      }
      
      break;
      
    case SOUNDS_IDLE :
      OSYSDEBUG(("---NotifySpeaker:Nothing to play\n"));
      break;
      
    default:
      OSYSDEBUG(("---NotifySpeaker:Nothing to play\n"));
    }
    
    // increase counter
    SoundCounter++;
    
    // if counter > 1500 switch played sound
    if(SoundCounter > 1500){
      SoundCounter = 0;
      Sound   = (Tog == 0) ? HELLO : STARWARS;
      Tog     = (Tog == 0) ? 1 : 0;
      
      // rewind waves 
      // that they start at the beginning
      Sounds.RewindWAV(0);
      Sounds.RewindWAV(1);
    }
    
  }
  else{
    OSYSDEBUG(("---NotifySpeaker:Nix\n"));
  }
   
};