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devsound/a3fdevsound/src/devsoundadaptor/cdevcommoncontrol.cpp
branchRCL_3
changeset 8 bc06d8566074
parent 7 94dbab0a2133
child 11 d5f04de580b7
equal deleted inserted replaced
7:94dbab0a2133 8:bc06d8566074 
   175 
   175 
   176 
   176 
   177 void CDevCommonControl::ContextEvent(TUid aEvent, TInt aError) 
   177 void CDevCommonControl::ContextEvent(TUid aEvent, TInt aError) 
   178     {
 
   178     {
 
   179     DP_CONTEXT(CDevCommonControl::ContextEvent, CtxDevSound, DPLOCAL);
 
   179     DP_CONTEXT(CDevCommonControl::ContextEvent, CtxDevSound, DPLOCAL);
 
   180     DP_IN();
 
   180     DP3_IN("ContextEvent aEvent=%x iActiveState=%d aError=%d",aEvent, iDevAudio->iActiveState, aError);
 
   181 
   181 
   182     // Can't "switch {...}" on UIDs unfortunately:
 
   182     // Can't "switch {...}" on UIDs unfortunately:
 
   183 
       
   184     if (aEvent == KUidA3FContextUpdateComplete)
 
   183     if (aEvent == KUidA3FContextUpdateComplete)
 
   185         {
 
   184         {
 
   186         //use a sub state pattern to make premtion cycles like other cycles.
 
   185         if(iBeingPreempted && iStateEventReceived)
 
   187         if(iBeingPreempted)
 
   186             {
 
   188             {
 
   187             //use a sub state pattern to make premtion cycles like other cycles.
 
   189             DP1(DLERR,"Preemption error=%d", aError);
 
   188             DP1(DLERR,"Preemption error=%d", aError);
 
   190             CDevAudioControl::ContextEvent(aEvent, aError);
 
       
   191             iDevAudio->iActiveState = EDevSoundAdaptorBeingPreempted;
 
   189             iDevAudio->iActiveState = EDevSoundAdaptorBeingPreempted;
 
   192             iBeingPreempted=EFalse;
 
   190             iBeingPreempted=EFalse;
 
   193             }
 
   191             }
 
   194         ContextEventUpdateComplete(aError);
 
   192 		ContextEventUpdateComplete(aError);
 
       
   193         }
 
       
   194 
       
   195     else if ((aEvent == KUidA3FContextCommitUpdate))
 
       
   196         {
 
       
   197         iBeingPreempted=EFalse; // clear being preempted
 
       
   198         TBool adaptorControlsContext = iAdaptationObserver->AdaptorControlsContext();
 
       
   199         iIgnoreAsyncOpComplete = !adaptorControlsContext;
 
       
   200             // if we don't control context, always send a PreemptionFinishedCallbackReceived()
 
       
   201 		iStateEventReceived=EFalse;
 
   195         }
 
   202         }
 
   196 
   203 
   197     else if ((aEvent == KUidA3FContextPreEmption) or (aEvent == KUidA3FContextPreEmptedCommit))
 
   204     else if ((aEvent == KUidA3FContextPreEmption) or (aEvent == KUidA3FContextPreEmptedCommit))
 
   198         {
 
   205         {
 
   199         //we are not being preemptied
 
   206         // clear iBeingPreepted - will be set in ContextEventPreEmption if req
 
   200         iBeingPreempted=EFalse;
 
   207         iBeingPreempted=EFalse;
 
       
   208         TBool adaptorControlsContext = iAdaptationObserver->AdaptorControlsContext();
 
       
   209 		iStateEventReceived=EFalse;
 
       
   210         iIgnoreAsyncOpComplete=EFalse; // clear being iIgnoreAsyncOpComplete
 
   201         ContextEventPreEmption(aEvent, aError);
 
   211         ContextEventPreEmption(aEvent, aError);
 
       
   212         if (!adaptorControlsContext)
 
       
   213             {
 
       
   214             iIgnoreAsyncOpComplete = ETrue; // if we don't control context never do AsyncOpComplete
 
       
   215             }
 
   202         }
 
   216         }
 
   203 
   217 
   204     else if (aEvent == KUidA3FContextAbort)
 
   218     else if (aEvent == KUidA3FContextAbort)
 
   205         {
 
   219         {
 
   206         ContextEventAbort(aError);
 
   220         ContextEventAbort(aError);
 
   210     }
 
   224     }
 
   211 
   225 
   212 
   226 
   213 void CDevCommonControl::ContextEventAsynchronousPlayCompletion(TInt aError) // from CDevCommonControl
 
   227 void CDevCommonControl::ContextEventAsynchronousPlayCompletion(TInt aError) // from CDevCommonControl
 
   214     {
 
   228     {
 
   215     DP_CONTEXT(CDevCommonControl::ContextEvent, CtxDevSound, DPLOCAL);
 
   229     DP_CONTEXT(CDevCommonControl::ContextEventAsynchronousPlayCompletion, CtxDevSound, DPLOCAL);
 
   216     DP_IN();
 
   230     DP_IN();
 
   217     
   231     
   218 	iAdaptationObserver->AsynchronousOperationComplete(aError, ETrue);
 
   232 	iAdaptationObserver->AsynchronousOperationComplete(aError, ETrue);
 
   219 		
   233 		
   220     if (aError)
 
   234     if (aError)
 
   226     }
 
   240     }
 
   227 
   241 
   228 
   242 
   229 void CDevCommonControl::ContextEventAsynchronousInitializeComplete(TInt aError) // from CDevCommonControl
 
   243 void CDevCommonControl::ContextEventAsynchronousInitializeComplete(TInt aError) // from CDevCommonControl
 
   230     {
 
   244     {
 
   231     DP_CONTEXT(CDevCommonControl::ContextEvent, CtxDevSound, DPLOCAL);
 
   245     DP_CONTEXT(CDevCommonControl::ContextEventAsynchronousInitializeComplete, CtxDevSound, DPLOCAL);
 
   232     DP_IN();
 
   246     DP_IN();
 
   233     
   247     
   234     iAdaptationObserver->AsynchronousOperationComplete(aError, ETrue);
 
   248     iAdaptationObserver->AsynchronousOperationComplete(aError, ETrue);
 
   235     iAdaptationObserver->InitializeComplete(aError);
 
   249     iAdaptationObserver->InitializeComplete(aError);
 
   236     
   250     
   238     }
 
   252     }
 
   239 
   253 
   240 
   254 
   241 void CDevCommonControl::ContextEventUpdateComplete(TInt aError) // from CDevCommonControl
 
   255 void CDevCommonControl::ContextEventUpdateComplete(TInt aError) // from CDevCommonControl
 
   242     {
 
   256     {
 
   243     DP_CONTEXT(CDevCommonControl::ContextEvent, CtxDevSound, DPLOCAL);
 
   257     DP_CONTEXT(CDevCommonControl::ContextEventUpdateComplete, CtxDevSound, DPLOCAL);
 
   244     DP_IN();
 
   258     DP_IN();
 
   245     
   259     
   246     if (iStateEventReceived)
 
   260     if (iStateEventReceived)
 
   247         {
 
   261         {
 
   248         iStateEventReceived = EFalse;
 
   262         iStateEventReceived = EFalse;
 
   275     }
 
   289     }
 
   276 
   290 
   277 
   291 
   278 void CDevCommonControl::ContextEventPreEmption(TUid aEvent, TInt aError) // from CDevCommonControl
 
   292 void CDevCommonControl::ContextEventPreEmption(TUid aEvent, TInt aError) // from CDevCommonControl
 
   279     {
 
   293     {
 
   280     DP_CONTEXT(CDevCommonControl::ContextEvent, CtxDevSound, DPLOCAL);
 
   294     DP_CONTEXT(CDevCommonControl::ContextEventPreEmption, CtxDevSound, DPLOCAL);
 
   281     DP_IN();
 
   295     DP_IN();
 
   282     
   296     
   283     DP1(DLERR,"Preemption error=%d", aError);
 
   297     DP1(DLERR,"Preemption error=%d", aError);
 
   284     CDevAudioControl::ContextEvent(aEvent, aError);
 
   298     CDevAudioControl::ContextEvent(aEvent, aError);
 
   285     iBeingPreempted=ETrue;
 
   299     iBeingPreempted=ETrue;
 
   288     }
 
   302     }
 
   289 
   303 
   290 
   304 
   291 void CDevCommonControl::ContextEventAbort(TInt aError) // from CDevCommonControl
 
   305 void CDevCommonControl::ContextEventAbort(TInt aError) // from CDevCommonControl
 
   292     {
 
   306     {
 
   293     DP_CONTEXT(CDevCommonControl::ContextEvent, CtxDevSound, DPLOCAL);
 
   307     DP_CONTEXT(CDevCommonControl::ContextEventAbort, CtxDevSound, DPLOCAL);
 
   294     DP_IN();
 
   308     DP_IN();
 
   295     
   309     
   296     DP1(DLERR,"Abort error=%d", aError);
 
   310     DP1(DLERR,"Abort error=%d", aError);
 
   297     FinishWithError(aError==KErrAbort ? KErrDied:aError);
 
   311     FinishWithError(aError==KErrAbort ? KErrDied:aError);
 
   298     
   312     
   300     }
 
   314     }
 
   301 
   315 
   302 
   316 
   303 void CDevCommonControl::ContextEventStopDevSoundNotifications() // from CDevCommonControl
 
   317 void CDevCommonControl::ContextEventStopDevSoundNotifications() // from CDevCommonControl
 
   304     {
 
   318     {
 
   305     DP_CONTEXT(CDevCommonControl::ContextEvent, CtxDevSound, DPLOCAL);
 
   319     DP_CONTEXT(CDevCommonControl::ContextEventStopDevSoundNotifications, CtxDevSound, DPLOCAL);
 
   306     DP_IN();
 
   320     DP_IN();
 
   307     
   321     
   308     iDevAudio->iAudioStream->UnregisterAudioStreamObserver(*this);
 
   322     iDevAudio->iAudioStream->UnregisterAudioStreamObserver(*this);
 
   309     iGainControl->UnregisterAudioGainControlObserver(*this);
 
   323     iGainControl->UnregisterAudioGainControlObserver(*this);
 
   310     iAudioCodecIf->UnregisterAudioCodecObserver(*this);
 
   324     iAudioCodecIf->UnregisterAudioCodecObserver(*this);
 
   314     }
 
   328     }
 
   315 
   329 
   316 
   330 
   317 void CDevCommonControl::ContextEventPauseResumeSequenceDueToEmptyBuffers(TBool aFlush) // from CDevCommonControl
 
   331 void CDevCommonControl::ContextEventPauseResumeSequenceDueToEmptyBuffers(TBool aFlush) // from CDevCommonControl
 
   318     {
 
   332     {
 
   319     DP_CONTEXT(CDevCommonControl::ContextEvent, CtxDevSound, DPLOCAL);
 
   333     DP_CONTEXT(CDevCommonControl::ContextEventPauseResumeSequenceDueToEmptyBuffers, CtxDevSound, DPLOCAL);
 
   320     DP_IN();
 
   334     DP_IN();
 
   321     
   335     
   322     TInt err(KErrNone);
 
   336     TInt err(KErrNone);
 
   323 
   337 
   324     if (iPauseResumeSequenceDueToEmptyBuffers)
 
   338     if (iPauseResumeSequenceDueToEmptyBuffers)
 
   343     }
 
   357     }
 
   344 
   358 
   345 
   359 
   346 void CDevCommonControl::ContextEventStateDevSoundAdaptorUnloading() // from CDevCommonControl
 
   360 void CDevCommonControl::ContextEventStateDevSoundAdaptorUnloading() // from CDevCommonControl
 
   347     {
 
   361     {
 
   348     DP_CONTEXT(CDevCommonControl::ContextEvent, CtxDevSound, DPLOCAL);
 
   362     DP_CONTEXT(CDevCommonControl::ContextEventStateDevSoundAdaptorUnloading, CtxDevSound, DPLOCAL);
 
   349     DP_IN();
 
   363     DP_IN();
 
   350     
   364     
   351     // Due destruction sequence or reinitialization
 
   365     // Due destruction sequence or reinitialization
 
   352     if (iDevAudio->iClosing or iDevAudio->iReinitializing)
 
   366     if (iDevAudio->iClosing or iDevAudio->iReinitializing)
 
   353         {
 
   367         {
 
   398     }
 
   412     }
 
   399 
   413 
   400 
   414 
   401 void CDevCommonControl::ContextEventStateDevSoundAdaptorLoading() // from CDevCommonControl
 
   415 void CDevCommonControl::ContextEventStateDevSoundAdaptorLoading() // from CDevCommonControl
 
   402     {
 
   416     {
 
   403     DP_CONTEXT(CDevCommonControl::ContextEvent, CtxDevSound, DPLOCAL);
 
   417     DP_CONTEXT(CDevCommonControl::ContextEventStateDevSoundAdaptorLoading, CtxDevSound, DPLOCAL);
 
   404     DP_IN();
 
   418     DP_IN();
 
   405     
   419     
   406     iDevAudio->RequestGainAndBalance(this); // TODO handle error
 
   420     iDevAudio->RequestGainAndBalance(this); // TODO handle error
 
   407 
   421 
   408     TInt err = iDevAudio->iAudioStream->Activate();
 
   422     TInt err = iDevAudio->iAudioStream->Activate();
 
   427     }
 
   441     }
 
   428 
   442 
   429 
   443 
   430 void CDevCommonControl::ContextEventStateDevSoundAdaptorStopping() // from CDevCommonControl
 
   444 void CDevCommonControl::ContextEventStateDevSoundAdaptorStopping() // from CDevCommonControl
 
   431     {   
   445     {   
   432     DP_CONTEXT(CDevCommonControl::ContextEvent, CtxDevSound, DPLOCAL);
 
   446     DP_CONTEXT(CDevCommonControl::ContextEventStateDevSoundAdaptorStopping, CtxDevSound, DPLOCAL);
 
   433     DP_IN();
 
   447     DP_IN();
 
   434     
   448     
   435     TInt err = Unload();
 
   449     TInt err = Unload();
 
   436     if (err)
 
   450     if (err)
 
   437         {
 
   451         {
 
   445     }
 
   459     }
 
   446 
   460 
   447 
   461 
   448 void CDevCommonControl::ContextEventStateDevSoundAdaptorBeingPreempted() // from CDevCommonControl
 
   462 void CDevCommonControl::ContextEventStateDevSoundAdaptorBeingPreempted() // from CDevCommonControl
 
   449     {
 
   463     {
 
   450     DP_CONTEXT(CDevCommonControl::ContextEvent, CtxDevSound, DPLOCAL);
 
   464     DP_CONTEXT(CDevCommonControl::ContextEventStateDevSoundAdaptorBeingPreempted, CtxDevSound, DPLOCAL);
 
   451     DP_IN();
 
   465     DP_IN();
 
   452     
   466     
   453     __ASSERT_DEBUG(iDevAudio->iActiveStreamState == EInitialized, Panic(EStreamBeingDemotedToEIdle));
 
   467     __ASSERT_DEBUG(iDevAudio->iActiveStreamState == EInitialized, Panic(EStreamBeingDemotedToEIdle));
 
   454     FinishWithError(KErrInUse);
 
   468     FinishWithError(KErrInUse);
 
   455     if (iIgnoreAsyncOpComplete)
 
   469     if (iIgnoreAsyncOpComplete)
 
   466     }
 
   480     }
 
   467 
   481 
   468 
   482 
   469 void CDevCommonControl::ContextEventStateDevSoundAdaptorUninitializing() // from CDevCommonControl
 
   483 void CDevCommonControl::ContextEventStateDevSoundAdaptorUninitializing() // from CDevCommonControl
 
   470     {
 
   484     {
 
   471     DP_CONTEXT(CDevCommonControl::ContextEvent, CtxDevSound, DPLOCAL);
 
   485     DP_CONTEXT(CDevCommonControl::ContextEventStateDevSoundAdaptorUninitializing, CtxDevSound, DPLOCAL);
 
   472     DP_IN();
 
   486     DP_IN();
 
   473     TInt err = RemoveProcessingUnits();
 
   487     TInt err = RemoveProcessingUnits();
 
   474 
   488 
   475     if (err == KErrNone)
 
   489     if (err == KErrNone)
 
   476         {
 
   490         {
 
   485     }
 
   499     }
 
   486 
   500 
   487 
   501 
   488 void CDevCommonControl::ContextEventErrorStateDevSoundAdaptorActivating(TInt aError) // from CDevCommonControl
 
   502 void CDevCommonControl::ContextEventErrorStateDevSoundAdaptorActivating(TInt aError) // from CDevCommonControl
 
   489     {
 
   503     {
 
   490     DP_CONTEXT(CDevCommonControl::ContextEvent, CtxDevSound, DPLOCAL);
 
   504     DP_CONTEXT(CDevCommonControl::ContextEventErrorStateDevSoundAdaptorActivating, CtxDevSound, DPLOCAL);
 
   491     DP_IN();
 
   505     DP_IN();
 
   492 
   506 
   493     // If the resume operation fails as result of EmptyBuffers
 
   507     // If the resume operation fails as result of EmptyBuffers
 
   494     // Notify about operation complete through CallbackFromAdaptorReceived
 
   508     // Notify about operation complete through CallbackFromAdaptorReceived
 
   495     // and continue to allow client to receive PlayError()
 
   509     // and continue to allow client to receive PlayError()
 
   513     }
 
   527     }
 
   514 
   528 
   515 
   529 
   516 void CDevCommonControl::ContextEventErrorStateDevSoundAdaptorBeingPreempted() // from CDevCommonControl
 
   530 void CDevCommonControl::ContextEventErrorStateDevSoundAdaptorBeingPreempted() // from CDevCommonControl
 
   517     {
 
   531     {
 
   518     DP_CONTEXT(CDevCommonControl::ContextEvent, CtxDevSound, DPLOCAL);
 
   532     DP_CONTEXT(CDevCommonControl::ContextEventErrorStateDevSoundAdaptorBeingPreempted, CtxDevSound, DPLOCAL);
 
   519     DP_IN();
 
   533     DP_IN();
 
   520     
   534     
   521 __ASSERT_DEBUG(iDevAudio->iActiveStreamState == EInitialized, Panic(EStreamBeingDemotedToEIdle));
 
   535 __ASSERT_DEBUG(iDevAudio->iActiveStreamState == EInitialized, Panic(EStreamBeingDemotedToEIdle));
 
   522     FinishWithError(KErrInUse);
 
   536     FinishWithError(KErrInUse);
 
   523 
   537 
   530     }
 
   544     }
 
   531 
   545 
   532 
   546 
   533 void CDevCommonControl::ContextEventUpdateWithoutStateEventNoError() // from CDevCommonControl
 
   547 void CDevCommonControl::ContextEventUpdateWithoutStateEventNoError() // from CDevCommonControl
 
   534     {
 
   548     {
 
   535     DP_CONTEXT(CDevCommonControl::ContextEvent, CtxDevSound, DPLOCAL);
 
   549     DP_CONTEXT(CDevCommonControl::ContextEventUpdateWithoutStateEventNoError, CtxDevSound, DPLOCAL);
 
   536     DP_IN();
 
   550     DP2_IN("iActiveState=%d iIgnoreAsyncOpComplete=%d",iDevAudio->iActiveState, iIgnoreAsyncOpComplete);
 
   537     
   551     
   538     if (iDevAudio->iActiveState != EDevSoundAdaptorRemovingProcessingUnits)
 
   552     if (iDevAudio->iActiveState != EDevSoundAdaptorRemovingProcessingUnits)
 
   539         {
 
   553         {
 
   540         iAdaptationObserver->AsynchronousOperationComplete(KErrNone, ETrue);
 
   554 	    if (iIgnoreAsyncOpComplete)
 
       
   555 	      {
 
       
   556 	      iAdaptationObserver->PreemptionFinishedCallbackReceived(ETrue);
 
       
   557 	      iIgnoreAsyncOpComplete = EFalse;
 
       
   558 	      }
 
       
   559 	    else
 
       
   560 	      {
 
       
   561 	      iAdaptationObserver->AsynchronousOperationComplete(KErrNone, ETrue);
 
       
   562 	      }
 
   541         DP_OUT();
 
   563         DP_OUT();
 
   542         return;
 
   564         return;
 
   543         }
 
   565         }
 
   544 
   566 
   545     iDevAudio->iActiveState = EDevSoundAdaptorCreated_Uninitialised;
 
   567     iDevAudio->iActiveState = EDevSoundAdaptorCreated_Uninitialised;
 
   566     }
 
   588     }
 
   567 
   589 
   568 
   590 
   569 void CDevCommonControl::ContextEventUpdateWithoutStateEventButWithError(TInt aError) // from CDevCommonControl
 
   591 void CDevCommonControl::ContextEventUpdateWithoutStateEventButWithError(TInt aError) // from CDevCommonControl
 
   570     {
 
   592     {
 
   571     DP_CONTEXT(CDevCommonControl::ContextEvent, CtxDevSound, DPLOCAL);
 
   593     DP_CONTEXT(CDevCommonControl::ContextEventUpdateWithoutStateEventButWithError, CtxDevSound, DPLOCAL);
 
   572     DP_IN();
 
   594     DP_IN();
 
   573     
   595     
   574 	// NOTE: If no state change then do NOT complete the event.
 
       
   575 	
       
   576     // NOTE: We shouldn't actually be in any of the states below when calling this function.
 
   596     // NOTE: We shouldn't actually be in any of the states below when calling this function.
 
   577     //       But just in case we are we will rewind the state before dealing with the error. 
   597     //       But just in case we are we will rewind the state before dealing with the error. 
   578     switch (iDevAudio->iActiveState)
 
   598     switch (iDevAudio->iActiveState)
 
   579         {
 
   599         {
 
   580     case EDevSoundAdaptorInitialising:
 
   600     case EDevSoundAdaptorInitialising:
 
   600     }
 
   620     }
 
   601 
   621 
   602 
   622 
   603 void CDevCommonControl::ContextEventUpdateWithStateEventNoError() // from CDevCommonControl 
   623 void CDevCommonControl::ContextEventUpdateWithStateEventNoError() // from CDevCommonControl 
   604     {
 
   624     {
 
   605     DP_CONTEXT(CDevCommonControl::ContextEvent, CtxDevSound, DPLOCAL);
 
   625     DP_CONTEXT(CDevCommonControl::ContextEventUpdateWithStateEventNoError, CtxDevSound, DPLOCAL);
 
   606     DP_IN();
 
   626     DP_IN();
 
   607 
   627 
   608     switch (iDevAudio->iActiveState)
 
   628     switch (iDevAudio->iActiveState)
 
   609         {
 
   629         {
 
   610     case EDevSoundAdaptorUninitialising:
 
   630     case EDevSoundAdaptorUninitialising:
 
   655     }
 
   675     }
 
   656 
   676 
   657 
   677 
   658 void CDevCommonControl::ContextEventUpdateWithStateEventAndError(TInt aError) // from CDevCommonControl
 
   678 void CDevCommonControl::ContextEventUpdateWithStateEventAndError(TInt aError) // from CDevCommonControl
 
   659     {
 
   679     {
 
   660     DP_CONTEXT(CDevCommonControl::ContextEvent, CtxDevSound, DPLOCAL);
 
   680     DP_CONTEXT(CDevCommonControl::ContextEventUpdateWithStateEventAndError, CtxDevSound, DPLOCAL);
 
   661     DP_IN();
 
   681     DP_IN();
 
   662 
   682 
   663     DP1(DLERR,"ContextEvent error=%d", aError);
 
   683     DP1(DLERR,"ContextEventUpdateWithStateEventAndError error=%d", aError);
 
   664     
   684     
   665     switch(iDevAudio->iActiveState)
 
   685     switch(iDevAudio->iActiveState)
 
   666         {
 
   686         {
 
   667     case EDevSoundAdaptorInitialising:
 
   687     case EDevSoundAdaptorInitialising:
 
   668         iDevAudio->iActiveState = EDevSoundAdaptorCreated_Uninitialised;
 
   688         iDevAudio->iActiveState = EDevSoundAdaptorCreated_Uninitialised;
FCL/sf/os/mm