--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/nokiasound/src/cmidclip.cpp Thu Aug 19 09:48:13 2010 +0300
@@ -0,0 +1,196 @@
+/*
+* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: This class implements wav playing.
+*
+*/
+
+
+#include <e32std.h>
+#include <AudioPreference.h>
+
+#include "com_nokia_mid_sound_Sound.h"
+#include "CMIDClip.h"
+#include "MMIDEventSender.h"
+
+namespace
+{
+const TInt KMIDMaxJavaVolume = 255;
+const TInt KMIDMinNativeVolume = 1;
+const TInt KMIDHeaderLength = 4;
+_LIT8(KMIDHeaderWAV, "RIFF");
+_LIT8(KMIDHeaderAMR, "#!AM");
+const TInt KMIDClipForever = 999999;
+const TInt KMIDMinDataSize = 4;
+}
+
+CMIDClip* CMIDClip::NewL(const TDesC8* aData, MMIDEventSender* aEventSender)
+{
+ CMIDClip* self = new(ELeave) CMIDClip(aEventSender);
+ CleanupStack::PushL(self);
+ self->ConstructL(aData);
+ CleanupStack::Pop(self);
+ return self;
+}
+
+CMIDClip::~CMIDClip()
+{
+ if (iMdaAudioPlayerUtility)
+ {
+ if (iState == EPlaying)
+ {
+ iMdaAudioPlayerUtility->Stop();
+ }
+ }
+ delete iMdaAudioPlayerUtility;
+ delete iClip;
+ delete iSchedulerWait;
+}
+
+CMIDClip::CMIDClip(MMIDEventSender* aEventSender)
+ : CMIDSoundImpl(aEventSender)
+{
+}
+
+void CMIDClip::ConstructL(const TDesC8* aData)
+{
+ CMIDSoundImpl::ConstructL();
+ iSchedulerWait = new(ELeave) CActiveSchedulerWait;
+
+ if (aData->Length() < KMIDMinDataSize)
+ {
+ iState = ENotSupported;
+ User::Leave(KErrArgument);
+ }
+
+ TPtrC8 header = aData->Left(KMIDHeaderLength);
+
+ if ((header != KMIDHeaderWAV()) && (header != KMIDHeaderAMR))
+ {
+ iState = ENotSupported;
+ User::Leave(KErrArgument);
+ }
+
+ iState = EInitialising;
+ iClip = aData->AllocL();
+ iMdaAudioPlayerUtility =
+ CMdaAudioPlayerUtility::
+ NewDesPlayerReadOnlyL(*iClip, *this,
+ KAudioPriorityRecording);
+ iMdaAudioPlayerUtility->UseSharedHeap();
+ iSchedulerWait->Start();
+}
+
+TInt CMIDClip::Play(TInt aLoop)
+{
+ __ASSERT_DEBUG(iState == EReadyToPlay, User::Invariant());
+
+ if (aLoop == 0)
+ {
+ // There is no known working method to play clip forever, so we play
+ // it for a long time instead.
+ aLoop = KMIDClipForever;
+ }
+
+ --aLoop;
+
+ // Setting repeats to 1 causes sound played twice
+ if (aLoop > 0)
+ {
+ iMdaAudioPlayerUtility->SetRepeats(aLoop, TTimeIntervalMicroSeconds(0));
+ }
+
+ iEventSender->SendEvent(com_nokia_mid_sound_Sound_SOUND_PLAYING);
+
+ iMdaAudioPlayerUtility->Play();
+ iState = EPlaying;
+ iPlayed = ETrue;
+ return KErrNone;
+}
+
+void CMIDClip::Stop()
+{
+ if (iState == EPlaying)
+ {
+ iEventSender->SendEvent(com_nokia_mid_sound_Sound_SOUND_STOPPED);
+ iMdaAudioPlayerUtility->Stop();
+ iState = EReadyToPlay;
+ }
+}
+
+void CMIDClip::SetVolume(TInt aVolume)
+{
+ iVolume = aVolume;
+ TInt volume = 0;
+ if (aVolume)
+ {
+ volume = (((iMdaAudioPlayerUtility->MaxVolume()
+ - KMIDMinNativeVolume + 1)
+ * aVolume)
+ / (KMIDMaxJavaVolume + 1)) + KMIDMinNativeVolume;
+ }
+ iMdaAudioPlayerUtility->SetVolume(volume);
+}
+
+TInt CMIDClip::Volume()
+{
+ return iVolume;
+}
+
+void CMIDClip::MapcInitComplete(TInt aError, const TTimeIntervalMicroSeconds& /*aDuration*/)
+{
+ if (aError == KErrNone)
+ {
+ //Setting iVolume to max because
+ //CMdaAudioPlayerUtility doesn't have Volume()
+ iVolume = KMIDMaxJavaVolume;
+ iState = EReadyToPlay;
+ }
+ else
+ {
+ if (aError == KErrNotSupported)
+ {
+ iState = ENotSupported;
+ }
+ else
+ {
+ iState = ENotReady;
+ }
+ }
+ iSchedulerWait->AsyncStop();
+}
+
+void CMIDClip::MapcPlayComplete(TInt /*aError*/)
+{
+ iEventSender->SendEvent(com_nokia_mid_sound_Sound_SOUND_STOPPED);
+ iState = EReadyToPlay;
+}
+
+void CMIDClip::Release()
+{
+ if (iMdaAudioPlayerUtility)
+ {
+ if (iState == EPlaying)
+ {
+ iMdaAudioPlayerUtility->Stop();
+ }
+ }
+ delete iMdaAudioPlayerUtility;
+ iMdaAudioPlayerUtility = NULL;
+ delete iClip;
+ iClip = NULL;
+ iState = ENotReady;
+}
+
+//End of File
+