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/*
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* Copyright (c) 2002-2007 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: This class is used for MIDI.
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*
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*/
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// INCLUDE FILES
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#include <mmf/server/mmffile.h>
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#include <jdebug.h>
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#include <e32base.h>
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#include <AudioPreference.h>
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#include "cmmamidiplayer.h"
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#include "mmmadisplay.h"
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const TInt KErrorMessageSize = 32;
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_LIT(KErrDefaultError, "Symbian OS Error: %d");
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const TInt KMidiDefaultBank = 0x3c80;
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const TInt KMidiDrumBank = 0x3c7c;
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const TInt KMidiDrumChannel = 9;
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const TInt KMidiChannels = 16;
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const TInt KMidiDefaultInstrument = 1;
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CMMAMIDIPlayer* CMMAMIDIPlayer::NewLC(const TDesC& aContentType,
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TFileName aFileName)
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{
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CMMAMIDIPlayer* self = new(ELeave) CMMAMIDIPlayer(aFileName);
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CleanupStack::PushL(self);
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self->ConstructL(aContentType);
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return self;
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}
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CMMAMIDIPlayer::~CMMAMIDIPlayer()
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{
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CloseClientUtility();
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// new function added to CMMAPlayer delete the controls before the destruction of iMidi.
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DeleteControls();
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delete iMidi;
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delete iActiveSchedulerWait;
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iObservers.Close();
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DEBUG("MMA::CMMAMIDIPlayer::~CMMAMIDIPlayer");
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}
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void CMMAMIDIPlayer::ConstructL(const TDesC& aContentType)
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{
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DEBUG("CMMAMIDIPlayer::ConstructL");
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iContentType = aContentType.AllocL();
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iActiveSchedulerWait = new(ELeave)CActiveSchedulerWait;
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iMidi = CMidiClientUtility::NewL(*this, KAudioPriorityRecording,
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KMMAMIDIPriorityPreference, ETrue);
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CMMAPlayer::ConstructL();
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}
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CMMAMIDIPlayer::CMMAMIDIPlayer(TFileName aFileName):
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iFileName(aFileName),
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iMediaTime(KTimeUnknown), iStartedEventTime(0)
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{
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}
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EXPORT_C CMidiClientUtility* CMMAMIDIPlayer::MidiClient() const
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{
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return iMidi;
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}
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void CMMAMIDIPlayer::RealizeL()
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{
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DEBUG("CMMAMIDIPlayer::RealizeL");
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CMMAPlayer::RealizeL();
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}
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void CMMAMIDIPlayer::PrefetchL()
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{
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DEBUG_INT("CMMAMIDIPlayer::PrefetchL stream count %d", iSourceStreams.Count());
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if (iFileName != KNullDesC)
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{
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iMidi->OpenFile(iFileName);
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}
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else if (iSourceStreams.Count() == 0)
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{
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// We have no data, but need to initialize the player
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// Preparing all channels
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for (TInt i = 0; i < KMidiChannels; i++)
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{
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iMidi->SetInstrumentL(i, KMidiDefaultBank,
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KMidiDefaultInstrument);
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}
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// Setting drums to channel 10
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iMidi->SetInstrumentL(KMidiDrumChannel, KMidiDrumBank,
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KMidiDefaultInstrument);
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// Start it immediately in order to get MIDIControl work without
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// calling the start. This is how reference implementation works.
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iMidi->Play();
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}
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else
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{
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// Created with content, audio player will initialize controller
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// and data source.
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iSourceStreams[ 0 ]->ReadAllL();
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}
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}
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//
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// This method is called when CMMASourceStreamReader finished reading
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// initiated in PrefetchL
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//
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void CMMAMIDIPlayer::ReadCompletedL(TInt aStatus, const TDesC8& aData)
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{
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if (aStatus < KErrNone)
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{
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PostActionCompleted(aStatus);
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}
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else
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{
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// we're not finished yet
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iMidi->OpenDes(aData); //wait for MMidiClientUtilityObserver::MmcuoStateChanged
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}
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}
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void CMMAMIDIPlayer::DeallocateL()
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{
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DEBUG("MMA: CMMAMidiPlayer: DeallocateL +");
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if (iState == EPrefetched)
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{
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CloseClientUtility();
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ResetSourceStreams();
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ChangeState(ERealized);
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}
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DEBUG("MMA: CMMAMidiPlayer: DeallocateL -");
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}
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void CMMAMIDIPlayer::StartL(TBool aPostEvent)
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{
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iMediaTime = KTimeUnknown;
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// Player is already started if this player is constructed with
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// device://midi locator.
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TBool isDeviceMidi = (iSourceStreams.Count() == 0 &&
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iFileName == KNullDesC);
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if (!isDeviceMidi)
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{
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iMidi->Play();
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}
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if (aPostEvent)
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{
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// inform java side
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PostLongEvent(CMMAPlayerEvent::EStarted, iStartedEventTime);
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}
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ChangeState(EStarted);
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// To achieve similar functionality as reference implementation,
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// END_OF_MEDIA must be sent right after Start on device://midi.
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if (isDeviceMidi)
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{
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PostLongEvent(CMMAPlayerEvent::EEndOfMedia, iStartedEventTime);
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ChangeState(EPrefetched);
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}
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PostActionCompleted(KErrNone); // java start return
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}
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void CMMAMIDIPlayer::StopL(TBool aPostEvent)
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{
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DEBUG("MMA: CMMAMidiPlayer::StopL");
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if (iState == EStarted)
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{
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TInt64 time;
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GetMediaTime(&time);
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iStartedEventTime = time;
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// do the stop only if we are playing some content
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if ((iSourceStreams.Count() > 0) ||
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(iFileName != KNullDesC))
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{
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// should actually pause!!!
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iMidi->Stop(TTimeIntervalMicroSeconds(0));
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}
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if (aPostEvent)
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{
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PostLongEvent(CMMAPlayerEvent::EStopped, time);
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}
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// go back to prefetched state
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ChangeState(EPrefetched);
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}
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}
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void CMMAMIDIPlayer::GetDuration(TInt64* aDuration)
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{
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// Special case for device://midi
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if ((iSourceStreams.Count() == 0) &&
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(iFileName == KNullDesC))
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{
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iDuration = KErrNone;
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}
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else if (iDuration == KTimeUnknown)
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{
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TRAPD(err, iDuration = iMidi->DurationMicroSecondsL().Int64());
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if (err != KErrNone)
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{
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// Duration was not available.
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iDuration = KTimeUnknown;
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}
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}
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*aDuration = iDuration;
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}
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void CMMAMIDIPlayer::SetMediaTimeL(TInt64* aTime)
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{
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TTimeIntervalMicroSeconds position(*aTime);
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iMidi->SetPositionMicroSecondsL(position);
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// Reset cached media time, because actual set position may be
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// something else than aTime.
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iMediaTime = KTimeUnknown;
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// Inform about the position change to the StateListeners
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ChangeState(iState);
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// Get the actual media time
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GetMediaTime(aTime);
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iStartedEventTime = iMediaTime;
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}
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void CMMAMIDIPlayer::GetMediaTime(TInt64* aMediaTime)
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{
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// Special case for device://midi
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if ((iSourceStreams.Count() == 0) &&
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(iFileName == KNullDesC))
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{
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iMediaTime = KErrNone;
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}
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else if (iMediaTime == KTimeUnknown || iState == EStarted)
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{
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TTimeIntervalMicroSeconds position(0);
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TRAPD(error, position = iMidi->PositionMicroSecondsL());
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if (error == KErrNone)
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{
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TInt64 newTime = position.Int64();
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// Sanity check for media time going backwards or beyond the
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// duration.
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// Some native controls may return zero media time for
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// a few moments just before playback will complete.
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if (newTime < iMediaTime ||
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(iDuration > 0 && newTime > iDuration))
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{
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GetDuration(&iMediaTime);
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}
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else
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{
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// set return value
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iMediaTime = newTime;
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}
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}
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else
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{
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// media time cannot be get
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iMediaTime = KTimeUnknown;
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}
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}
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*aMediaTime = iMediaTime;
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}
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void CMMAMIDIPlayer::ReInitializeMidiEngineL(const TDesC8* aMidiSequence)
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{
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DEBUG("MMA: CMMAMIDIPlayer: ReInitializeMidiEngineL: + ");
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CloseClientUtility();
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DEBUG("MMA: CMMAMidiPlayer: ReInitializeMidiEngineL: Opening descriptor");
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iMidi->OpenDes(*aMidiSequence);
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// Wait until asynchronous OpenDes call has completed
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if (!iActiveSchedulerWait->IsStarted())
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{
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iActiveSchedulerWait->Start();
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}
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ChangeState(EPrefetched);
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DEBUG("MMA: CMMAMIDIPlayer: ReInitializeMidiEngineL: - ");
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}
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void CMMAMIDIPlayer::addObserverL(MMidiClientUtilityObserver* aObserver)
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{
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iObservers.AppendL(aObserver);
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}
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void CMMAMIDIPlayer::CloseL()
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{
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CMMAPlayer::CloseL();
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CloseClientUtility();
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}
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const TDesC& CMMAMIDIPlayer::Type()
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{
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return KMMAMIDIPlayer;
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}
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void CMMAMIDIPlayer::PlayCompleteL(TInt aError)
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{
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DEBUG("MMA: CMMAMidiPlayer: PlayCompleteL +");
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DEBUG_INT("MMA: CMMAMidiPlayer: PlayCompleteL: Error=%d", aError);
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TInt64 duration;
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GetDuration(&duration);
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iMediaTime = duration;
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iStartedEventTime = 0;
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iMidi->Stop(TTimeIntervalMicroSeconds(0));
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// go back to prefetched state
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ChangeState(EPrefetched); // ready to play again
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// Send 'Stopped' only when stop() is called.
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PostLongEvent(CMMAPlayerEvent::EEndOfMedia, duration);
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if (aError == KErrNone)
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{
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iRepeatCount++;
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if (iRepeatForever || iRepeatCount < iRepeatNumberOfTimes)
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{
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StartL(ETrue);
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}
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else
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{
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iRepeatCount = 0;
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}
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}
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else
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{
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// error has occured, setting correct number of
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// repeats for next start
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SetLoopCount(iRepeatNumberOfTimes);
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}
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DEBUG("MMA: CMMAMidiPlayer: PlayCompleteL -");
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}
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void CMMAMIDIPlayer::MmcuoStateChanged(TMidiState aOldState,
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TMidiState aNewState,
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const TTimeIntervalMicroSeconds& aTime,
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TInt aError)
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{
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TInt err = aError;
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DEBUG_INT3("MMA: CMMAMIDIPlayer: MmcuoStateChanged: Old=%d, New=%d, Error=%d",
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aOldState,
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aNewState,
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err);
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// Closing the utility or reinitialising
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#ifdef RD_JAVA_TMIDISTATECHANGE
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if (iActiveSchedulerWait->IsStarted() &&
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((aNewState == EMidiStateClosedDisengaged) ||
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(aNewState == EMidiStateOpenDisengaged) ||
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(aNewState == EMidiStateClosedEngaged)))
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#else
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if (iActiveSchedulerWait->IsStarted() &&
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((aNewState == EClosedDisengaged) ||
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(aNewState == EOpenDisengaged) ||
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(aNewState == EClosedEngaged)))
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#endif
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{
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iActiveSchedulerWait->AsyncStop();
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}
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// changing from realized to prefetched state
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#ifdef RD_JAVA_TMIDISTATECHANGE
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else if ((iState == ERealized) &&
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(aOldState == EMidiStateClosedDisengaged) &&
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((aNewState == EMidiStateOpenDisengaged) ||
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(aNewState == EMidiStateClosedEngaged) ||
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(aNewState == EMidiStateClosedDisengaged)))
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#else
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else if ((iState == ERealized) &&
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(aOldState == EClosed) &&
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((aNewState == EOpen) || (aNewState == EClosedEngaged) ||
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(aNewState == EClosed))) // EClosed is EClosedDisengaged
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#endif
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{
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if (aError == KErrNone)
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{
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// prefetch succeed
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ChangeState(EPrefetched);
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}
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// else state remains realized
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// inform java
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PostActionCompleted(aError);
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err = KErrNone; // don't report the error again
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}
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#ifdef RD_JAVA_TMIDISTATECHANGE
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else if ((aOldState == EMidiStateOpenPlaying) &&
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(aNewState == EMidiStateOpenEngaged) &&
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(iState == EStarted))
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#else
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else if ((aOldState == EPlaying) &&
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(aNewState == EOpenEngaged) &&
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(iState == EStarted))
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#endif
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{
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// If iState is not EStarted PlayCompleteL may not be called because
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// player may be already stopped.
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// playing completed
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TRAPD(playErr, PlayCompleteL(aError));
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if (playErr != KErrNone)
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{
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err = playErr;
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}
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}
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if (err != KErrNone)
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{
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TBuf<KErrorMessageSize> errorMessage;
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errorMessage.Format(KErrDefaultError, err);
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PostStringEvent(CMMAPlayerEvent::EError, errorMessage);
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if (iActiveSchedulerWait->IsStarted())
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{
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iActiveSchedulerWait->AsyncStop();
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}
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}
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// notify observers
|
|
441 |
TInt count = iObservers.Count();
|
|
442 |
for (TInt i = 0; i < count; i++)
|
|
443 |
{
|
|
444 |
iObservers[ i ]->MmcuoStateChanged(aOldState, aNewState, aTime, aError);
|
|
445 |
}
|
|
446 |
|
|
447 |
DEBUG_INT("MMA: CMMAMIDIPlayer: MmcuoStateChanged: midi state %d",
|
|
448 |
iMidi->State());
|
|
449 |
}
|
|
450 |
|
|
451 |
void CMMAMIDIPlayer::MmcuoTempoChanged(TInt aMicroBeatsPerMinute)
|
|
452 |
{
|
|
453 |
// notify observers
|
|
454 |
TInt count = iObservers.Count();
|
|
455 |
for (TInt i = 0; i < count; i++)
|
|
456 |
{
|
|
457 |
iObservers[ i ]->MmcuoTempoChanged(aMicroBeatsPerMinute);
|
|
458 |
}
|
|
459 |
}
|
|
460 |
|
|
461 |
void CMMAMIDIPlayer::MmcuoVolumeChanged(TInt aChannel,TReal32 aVolumeInDecibels)
|
|
462 |
{
|
|
463 |
// notify observers
|
|
464 |
TInt count = iObservers.Count();
|
|
465 |
for (TInt i = 0; i < count; i++)
|
|
466 |
{
|
|
467 |
iObservers[ i ]->MmcuoVolumeChanged(aChannel, aVolumeInDecibels);
|
|
468 |
}
|
|
469 |
}
|
|
470 |
|
|
471 |
void CMMAMIDIPlayer::MmcuoMuteChanged(TInt aChannel,TBool aMuted)
|
|
472 |
{
|
|
473 |
// notify observers
|
|
474 |
TInt count = iObservers.Count();
|
|
475 |
for (TInt i = 0; i < count; i++)
|
|
476 |
{
|
|
477 |
iObservers[ i ]->MmcuoMuteChanged(aChannel, aMuted);
|
|
478 |
}
|
|
479 |
}
|
|
480 |
|
|
481 |
void CMMAMIDIPlayer::MmcuoSyncUpdate(const TTimeIntervalMicroSeconds& aMicroSeconds,TInt64 aMicroBeats)
|
|
482 |
{
|
|
483 |
// notify observers
|
|
484 |
TInt count = iObservers.Count();
|
|
485 |
for (TInt i = 0; i < count; i++)
|
|
486 |
{
|
|
487 |
iObservers[ i ]->MmcuoSyncUpdate(aMicroSeconds, aMicroBeats);
|
|
488 |
}
|
|
489 |
}
|
|
490 |
|
|
491 |
void CMMAMIDIPlayer::MmcuoMetaDataEntryFound(const TInt aMetaDataEntryId,const TTimeIntervalMicroSeconds& aPosition)
|
|
492 |
{
|
|
493 |
// notify observers
|
|
494 |
TInt count = iObservers.Count();
|
|
495 |
for (TInt i = 0; i < count; i++)
|
|
496 |
{
|
|
497 |
iObservers[ i ]->MmcuoMetaDataEntryFound(aMetaDataEntryId, aPosition);
|
|
498 |
}
|
|
499 |
}
|
|
500 |
|
|
501 |
void CMMAMIDIPlayer::MmcuoMipMessageReceived(const RArray<TMipMessageEntry>& aMessage)
|
|
502 |
{
|
|
503 |
// notify observers
|
|
504 |
TInt count = iObservers.Count();
|
|
505 |
for (TInt i = 0; i < count; i++)
|
|
506 |
{
|
|
507 |
iObservers[ i ]->MmcuoMipMessageReceived(aMessage);
|
|
508 |
}
|
|
509 |
}
|
|
510 |
|
|
511 |
void CMMAMIDIPlayer::MmcuoPolyphonyChanged(TInt aNewPolyphony)
|
|
512 |
{
|
|
513 |
// notify observers
|
|
514 |
TInt count = iObservers.Count();
|
|
515 |
for (TInt i = 0; i < count; i++)
|
|
516 |
{
|
|
517 |
iObservers[ i ]->MmcuoPolyphonyChanged(aNewPolyphony);
|
|
518 |
}
|
|
519 |
}
|
|
520 |
|
|
521 |
void CMMAMIDIPlayer::MmcuoInstrumentChanged(TInt aChannel,TInt aBankId,TInt aInstrumentId)
|
|
522 |
{
|
|
523 |
// notify observers
|
|
524 |
TInt count = iObservers.Count();
|
|
525 |
for (TInt i = 0; i < count; i++)
|
|
526 |
{
|
|
527 |
iObservers[ i ]->MmcuoInstrumentChanged(aChannel, aBankId, aInstrumentId);
|
|
528 |
}
|
|
529 |
}
|
|
530 |
|
|
531 |
void CMMAMIDIPlayer::CloseClientUtility()
|
|
532 |
{
|
|
533 |
DEBUG("MMA: CMMAMidiPlayer: CloseClientUtility +");
|
|
534 |
if (iMidi &&
|
|
535 |
iActiveSchedulerWait &&
|
|
536 |
#ifdef RD_JAVA_TMIDISTATECHANGE
|
|
537 |
(iMidi->State() != EMidiStateClosedDisengaged))
|
|
538 |
#else
|
|
539 |
(iMidi->State() != EClosed))
|
|
540 |
#endif
|
|
541 |
{
|
|
542 |
// Have to stop midi before closing,
|
|
543 |
// this case is for device://midi
|
|
544 |
#ifdef RD_JAVA_TMIDISTATECHANGE
|
|
545 |
if (iMidi->State() == EMidiStateClosedEngaged)
|
|
546 |
#else
|
|
547 |
if (iMidi->State() == EClosedEngaged)
|
|
548 |
#endif
|
|
549 |
{
|
|
550 |
iMidi->Stop(TTimeIntervalMicroSeconds(0));
|
|
551 |
if (!iActiveSchedulerWait->IsStarted())
|
|
552 |
{
|
|
553 |
iActiveSchedulerWait->Start();
|
|
554 |
}
|
|
555 |
}
|
|
556 |
else
|
|
557 |
{
|
|
558 |
// Calling Close and Stop or Stop and Close should
|
|
559 |
// always lead to EClosed state.
|
|
560 |
|
|
561 |
// From EOpenEngaged or EOpenPlaying to EClosedEngaged
|
|
562 |
// or from EOpenDisengaged to EClosedDisengaged
|
|
563 |
iMidi->Close();
|
|
564 |
if (!iActiveSchedulerWait->IsStarted())
|
|
565 |
{
|
|
566 |
iActiveSchedulerWait->Start();
|
|
567 |
}
|
|
568 |
|
|
569 |
DEBUG_INT("State after Close: %d", iMidi->State());
|
|
570 |
|
|
571 |
// If not in EClosedDisengaged yet
|
|
572 |
#ifdef RD_JAVA_TMIDISTATECHANGE
|
|
573 |
if (iMidi->State() != EMidiStateClosedDisengaged)
|
|
574 |
#else
|
|
575 |
if (iMidi->State() != EClosed)
|
|
576 |
#endif
|
|
577 |
{
|
|
578 |
// From EClosedEngaged to EClosedDisengaged
|
|
579 |
iMidi->Stop(TTimeIntervalMicroSeconds(0));
|
|
580 |
if (!iActiveSchedulerWait->IsStarted())
|
|
581 |
{
|
|
582 |
iActiveSchedulerWait->Start();
|
|
583 |
}
|
|
584 |
DEBUG_INT("State after Stop: %d", iMidi->State());
|
|
585 |
}
|
|
586 |
}
|
|
587 |
DEBUG_INT("MMA: CMMAMidiPlayer: CloseClientUtility: State after close: %d", iMidi->State());
|
|
588 |
}
|
|
589 |
DEBUG("MMA: CMMAMidiPlayer: CloseClientUtility -");
|
|
590 |
}
|
|
591 |
|
|
592 |
// END OF FILE
|