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javauis/mmapi_qt/baseline/src/cmmamiditempocontrol.cpp
changeset 26 dc7c549001d5
parent 23 98ccebc37403
equal deleted inserted replaced
23:98ccebc37403 26:dc7c549001d5 
    41 CMMAMIDITempoControl::CMMAMIDITempoControl(CMMAMIDIPlayer* aPlayer)
 
    41 CMMAMIDITempoControl::CMMAMIDITempoControl(CMMAMIDIPlayer* aPlayer)
 
    42 {
 
    42 {
 
    43     iPlayer = aPlayer;
 
    43     iPlayer = aPlayer;
 
    44     iTempo = KMMAMIDIDefaultTempoInMicroBeats;
 
    44     iTempo = KMMAMIDIDefaultTempoInMicroBeats;
 
    45 
    45 
    46     LOG( EJavaMMAPI, EInfo, "MMA:CMMAMIDITempoControl::CMMAMIDITempoControl");
 
    46     LOG(EJavaMMAPI, EInfo, "MMA:CMMAMIDITempoControl::CMMAMIDITempoControl");
 
    47 }
 
    47 }
 
    48 
    48 
    49 CMMAMIDITempoControl::~CMMAMIDITempoControl()
 
    49 CMMAMIDITempoControl::~CMMAMIDITempoControl()
 
    50 {
 
    50 {
 
    51     LOG( EJavaMMAPI, EInfo, "MMA:CMMAMIDITempoControl::~CMMAMIDITempoControl");
 
    51     LOG(EJavaMMAPI, EInfo, "MMA:CMMAMIDITempoControl::~CMMAMIDITempoControl");
 
    52 }
 
    52 }
 
    53 
    53 
    54 inline void CMMAMIDITempoControl::ConstructL()
 
    54 inline void CMMAMIDITempoControl::ConstructL()
 
    55 {
 
    55 {
 
    56     LOG( EJavaMMAPI, EInfo, "MMA:CMMAMIDITempoControl::ConstructL");
 
    56     LOG(EJavaMMAPI, EInfo, "MMA:CMMAMIDITempoControl::ConstructL");
 
    57 
    57 
    58     iPlayer->addObserverL(this);
 
    58     iPlayer->addObserverL(this);
 
    59     iPlayer->AddStateListenerL(this);
 
    59     iPlayer->AddStateListenerL(this);
 
    60 }
 
    60 }
 
    61 
    61 
    62 const TDesC& CMMAMIDITempoControl::ClassName() const
 
    62 const TDesC& CMMAMIDITempoControl::ClassName() const
 
    63 {
 
    63 {
 
    64     LOG( EJavaMMAPI, EInfo, "MMA:CMMAMIDITempoControl::ClassName");
 
    64     LOG(EJavaMMAPI, EInfo, "MMA:CMMAMIDITempoControl::ClassName");
 
    65     return KMIDITempoControlName;
 
    65     return KMIDITempoControlName;
 
    66 }
 
    66 }
 
    67 
    67 
    68 
    68 
    69 TInt CMMAMIDITempoControl::TempoL()
 
    69 TInt CMMAMIDITempoControl::TempoL()
 
    70 {
 
    70 {
 
    71     LOG( EJavaMMAPI, EInfo, "MMA: CMMAMIDITempoControl: TempoL");
 
    71     LOG(EJavaMMAPI, EInfo, "MMA: CMMAMIDITempoControl: TempoL");
 
    72 
    72 
    73     return iTempo / KMicroBeatsInMiliBeat;
 
    73     return iTempo / KMicroBeatsInMiliBeat;
 
    74 }
 
    74 }
 
    75 
    75 
    76 TInt CMMAMIDITempoControl::SetTempoL(TInt aTempo)
 
    76 TInt CMMAMIDITempoControl::SetTempoL(TInt aTempo)
 
    77 {
 
    77 {
 
    78     LOG( EJavaMMAPI, EInfo, "MMA: CMMAMIDITempoControl: SetTempoL");
 
    78     LOG(EJavaMMAPI, EInfo, "MMA: CMMAMIDITempoControl: SetTempoL");
 
    79     TInt tempo = aTempo;
 
    79     TInt tempo = aTempo;
 
    80     if (tempo < KMMAMIDIMinimumTempo)
 
    80     if (tempo < KMMAMIDIMinimumTempo)
 
    81     {
 
    81     {
 
    82         tempo = KMMAMIDIMinimumTempo;
 
    82         tempo = KMMAMIDIMinimumTempo;
 
    83     }
 
    83     }
 
    84     if (tempo > KMMAMIDIMaximumTempo)
 
    84     if (tempo > KMMAMIDIMaximumTempo)
 
    85     {
 
    85     {
 
    86         tempo = KMMAMIDIMaximumTempo;
 
    86         tempo = KMMAMIDIMaximumTempo;
 
    87     }
 
    87     }
 
    88 
    88 
    89     LOG1( EJavaMMAPI, EInfo, "MMA: CMMAMIDITempoControl: SetTempoL: setting tempo %d",
 
    89     LOG1(EJavaMMAPI, EInfo, "MMA: CMMAMIDITempoControl: SetTempoL: setting tempo %d",
 
    90               tempo);
 
    90          tempo);
 
    91 
    91 
    92     // Convert tempo to micro-beats.
 
    92     // Convert tempo to micro-beats.
 
    93     tempo *= KMicroBeatsInMiliBeat;
 
    93     tempo *= KMicroBeatsInMiliBeat;
 
    94 
    94 
    95     // Set the tempo to the midi client if the player state is not REALIZED.
 
    95     // Set the tempo to the midi client if the player state is not REALIZED.
 
   102         tempo = iPlayer->MidiClient()->TempoMicroBeatsPerMinuteL();
 
   102         tempo = iPlayer->MidiClient()->TempoMicroBeatsPerMinuteL();
 
   103     }
 
   103     }
 
   104 
   104 
   105     iTempo = tempo;
 
   105     iTempo = tempo;
 
   106 
   106 
   107     LOG1( EJavaMMAPI, EInfo, "MMA: CMMAMIDITempoControl: SetTempoL: Tempo set: %d",
 
   107     LOG1(EJavaMMAPI, EInfo, "MMA: CMMAMIDITempoControl: SetTempoL: Tempo set: %d",
 
   108               tempo / KMicroBeatsInMiliBeat);
 
   108          tempo / KMicroBeatsInMiliBeat);
 
   109 
   109 
   110     return tempo / KMicroBeatsInMiliBeat;
 
   110     return tempo / KMicroBeatsInMiliBeat;
 
   111 }
 
   111 }
 
   112 
   112 
   113 TInt CMMAMIDITempoControl::SetRateL(TInt aRate)
 
   113 TInt CMMAMIDITempoControl::SetRateL(TInt aRate)
 
   143     return iPlayer->MidiClient()->MinPlaybackRateL();
 
   143     return iPlayer->MidiClient()->MinPlaybackRateL();
 
   144 }
 
   144 }
 
   145 
   145 
   146 void CMMAMIDITempoControl::StateChanged(TInt aState)
 
   146 void CMMAMIDITempoControl::StateChanged(TInt aState)
 
   147 {
 
   147 {
 
   148     LOG1( EJavaMMAPI, EInfo, "CMMAMIDITempoControl:: StateChanged, state = %d", aState);
 
   148     LOG1(EJavaMMAPI, EInfo, "CMMAMIDITempoControl:: StateChanged, state = %d", aState);
 
   149 
   149 
   150     // If tempo was set when the player was in REALIZED state, set the tempo
 
   150     // If tempo was set when the player was in REALIZED state, set the tempo
 
   151     // now when the player has been prefetched.
 
   151     // now when the player has been prefetched.
 
   152     if ((aState == CMMAPlayer::EPrefetched) &&
 
   152     if ((aState == CMMAPlayer::EPrefetched) &&
 
   153             (iTempo != KMMAMIDIDefaultTempoInMicroBeats))
 
   153             (iTempo != KMMAMIDIDefaultTempoInMicroBeats))
 
   154     {
 
   154     {
 
   155         CMidiClientUtility* midi = iPlayer->MidiClient();
 
   155         CMidiClientUtility* midi = iPlayer->MidiClient();
 
   156         TRAPD(err, midi->SetTempoL(iTempo));
 
   156         TRAPD(err, midi->SetTempoL(iTempo));
 
   157 
   157 
   158         ELOG1( EJavaMMAPI, "CMMAMIDITempoControl:: StateChanged, err = %d", err);
 
   158         ELOG1(EJavaMMAPI, "CMMAMIDITempoControl:: StateChanged, err = %d", err);
 
   159 
   159 
   160         if (err != KErrNone)
 
   160         if (err != KErrNone)
 
   161         {
 
   161         {
 
   162             iPlayer->PostStringEvent(CMMAPlayerEvent::EError,
 
   162             iPlayer->PostStringEvent(CMMAPlayerEvent::EError,
 
   163                                      KMMAMidiTempoStateChangedError);
 
   163                                      KMMAMidiTempoStateChangedError);
 
   176 {
 
   176 {
 
   177 }
 
   177 }
 
   178 
   178 
   179 void CMMAMIDITempoControl::MmcuoTempoChanged(TInt aMicroBeatsPerMinute)
 
   179 void CMMAMIDITempoControl::MmcuoTempoChanged(TInt aMicroBeatsPerMinute)
 
   180 {
 
   180 {
 
   181     LOG( EJavaMMAPI, EInfo, "CMMAMIDITempoControl:: MmcuoTempoChanged");
 
   181     LOG(EJavaMMAPI, EInfo, "CMMAMIDITempoControl:: MmcuoTempoChanged");
 
   182 
   182 
   183     iTempo = aMicroBeatsPerMinute;
 
   183     iTempo = aMicroBeatsPerMinute;
 
   184 }
 
   184 }
 
   185 
   185 
   186 void CMMAMIDITempoControl::MmcuoVolumeChanged(TInt /*aChannel*/,TReal32 /*aVolumeInDecibels*/)
 
   186 void CMMAMIDITempoControl::MmcuoVolumeChanged(TInt /*aChannel*/,TReal32 /*aVolumeInDecibels*/)
FCL/sf/app/jrt