javauis/mmapi_qt/baseline/src/cmmavideourlplayer.cpp
changeset 23 98ccebc37403
child 26 dc7c549001d5
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_qt/baseline/src/cmmavideourlplayer.cpp	Fri May 14 15:47:24 2010 +0300
@@ -0,0 +1,317 @@
+/*
+* Copyright (c) 2002-2007 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 is used for playing video.
+*
+*/
+
+
+//  INCLUDE FILES
+#include <mmf/server/mmfurl.h>
+#include <es_enum.h>
+#include <logger.h>
+
+#include "cmmavideourlplayer.h"
+#include "mmmadisplay.h"
+#include "cmmasourcestream.h"
+
+const TUid KUrlSourceUid = { KMmfUidUrlSource };
+_LIT(KMMALiveStreamMetaDataKeyword, "LiveStream");
+_LIT(KMMALiveStreamMetaDataValue, "1");
+
+CMMAVideoUrlPlayer* CMMAVideoUrlPlayer::NewLC(
+    CMMAMMFResolver* aResolver,
+    const TDesC& aUrl)
+{
+    CMMAVideoUrlPlayer* self = new(ELeave) CMMAVideoUrlPlayer(
+        aResolver);
+    CleanupStack::PushL(self);
+    self->ConstructL(aUrl);
+    return self;
+}
+
+EXPORT_C CMMAVideoUrlPlayer::~CMMAVideoUrlPlayer()
+{
+    iConnection.Close();
+    iSocketServ.Close();
+    delete iUrl;
+    delete iPlayerDelegate;
+}
+
+EXPORT_C void CMMAVideoUrlPlayer::ConstructL(const TDesC& aUrl)
+{
+    CMMAVideoPlayer::ConstructL();
+    iUrl = aUrl.AllocL();
+
+    User::LeaveIfError(iSocketServ.Connect());
+    User::LeaveIfError(iConnection.Open(iSocketServ));
+}
+
+EXPORT_C CMMAVideoUrlPlayer::CMMAVideoUrlPlayer(
+    CMMAMMFResolver* aResolver):
+        CMMAVideoPlayer(aResolver)
+{
+}
+
+EXPORT_C void CMMAVideoUrlPlayer::DeallocateL()
+{
+    __ASSERT_DEBUG(iPlayerDelegate != NULL, User::Invariant());
+    delete iPlayerDelegate;
+    iPlayerDelegate = NULL;
+    CMMAMMFPlayerBase::DeallocateL();
+}
+
+EXPORT_C void CMMAVideoUrlPlayer::CloseL()
+{
+    // Do not call the CMMAVideoPlayer CloseL because it deletes
+    // file source stream.
+    CMMAAudioPlayer::CloseL();
+}
+
+EXPORT_C void CMMAVideoUrlPlayer::StartL()
+{
+    __ASSERT_DEBUG(iPlayerDelegate != NULL, User::Invariant());
+    LOG( EJavaMMAPI, EInfo, "CMMAVideoUrlPlayer::StartL() +");
+    iPlayerDelegate->StartL();
+    LOG( EJavaMMAPI, EInfo, "CMMAVideoUrlPlayer::StartL() -");
+}
+
+EXPORT_C void CMMAVideoUrlPlayer::StopL(TBool aPostEvent)
+{
+    LOG( EJavaMMAPI, EInfo, "MMA::CMMAVideoUrlPlayer::StopL ");
+    __ASSERT_DEBUG(iPlayerDelegate != NULL, User::Invariant());
+    iPlayerDelegate->StopL(aPostEvent);
+}
+
+EXPORT_C void CMMAVideoUrlPlayer::GetMediaTime(TInt64* aMediaTime)
+{
+    LOG( EJavaMMAPI, EInfo, "MMA::CMMAVideoUrlPlayer::GetMediaTime +");
+    if (iPlayerDelegate)
+    {
+        LOG( EJavaMMAPI, EInfo, "MMA::CMMAVideoUrlPlayer::GetMediaTime .iPlayerDelegate->GetMediaTime ");
+        iPlayerDelegate->GetMediaTime(aMediaTime);
+    }
+    else
+    {
+        LOG( EJavaMMAPI, EInfo, "MMA::CMMAVideoUrlPlayer::GetMediaTime Not found ");
+        *aMediaTime = KErrNotFound;
+    }
+    LOG( EJavaMMAPI, EInfo, "MMA::CMMAVideoUrlPlayer::GetMediaTime -");
+}
+
+EXPORT_C void CMMAVideoUrlPlayer::RealizeL()
+{
+    CMMAPlayer::RealizeL(); // Changes state to ERealized
+}
+
+
+EXPORT_C void CMMAVideoUrlPlayer::PrefetchL()
+{
+    const TUint KConnectionTreshold(1);
+    TUint connectIap((TUint)KUseDefaultIap);
+    TUint connectionCount(0);
+    User::LeaveIfError(iConnection.EnumerateConnections(connectionCount));
+    LOG1( EJavaMMAPI, EInfo, "MMA::CMMAVideoUrlPlayer::PrefetchL: connectionCount = %d", connectionCount);
+    if (connectionCount == KConnectionTreshold)
+    {
+        // One active connection - find it and try using it
+        FindActiveIap(connectionCount, connectIap);
+    }
+    // else No active connections try using the default one
+    LOG1( EJavaMMAPI, EInfo, "MMA::CMMAVideoUrlPlayer::PrefetchL: connectIap = %d", connectIap);
+
+    CMMFUrlParams* urlCfg = CMMFUrlParams::NewLC(*iUrl, (TInt)connectIap);
+    CBufFlat* urlCfgBuffer = urlCfg->ExternalizeToCBufFlatLC();
+
+    // Store current thread priority to give
+    // more CPU time to Java threads i.e. this
+    // is work around for not locking the Java
+    // thread while RTSP connection is being
+    // opened
+    iOrigPriority = RThread().Priority();
+
+    // player priority settings
+    TMMFPrioritySettings prioritySettings;
+    prioritySettings.iPriority = EMdaPriorityMax;
+    prioritySettings.iPref = EMdaPriorityPreferenceTimeAndQuality;
+    prioritySettings.iState = EMMFStatePlaying;
+
+    User::LeaveIfError(DoOpen(KUrlSourceUid,
+                              urlCfgBuffer->Ptr(0),
+                              KUidMmfAudioOutput,
+                              KNullDesC8,
+                              prioritySettings));
+
+    User::LeaveIfError(iController.Prime());
+
+    CleanupStack::PopAndDestroy(urlCfgBuffer);
+    CleanupStack::PopAndDestroy(urlCfg);
+
+    // Prefetch will be completed in HandleEvent method.
+    // Next event KMMFEventCategoryVideoOpenComplete will be handled in
+    // CMMAVideoPlayer.
+}
+
+void CMMAVideoUrlPlayer::FindActiveIap(const TUint aConnectionCount, TUint& aActiveIap)
+{
+    LOG1( EJavaMMAPI, EInfo, "MMA:CMMAVideoUrlPlayer::FindActiveIap: aConnectionCount = %d +", aConnectionCount);
+
+    TPckgBuf<TConnectionInfo> connectionInfo;
+    for (TUint i = 1; i <= aConnectionCount; ++i)
+    {
+        if (iConnection.GetConnectionInfo(i, connectionInfo) == KErrNone)
+        {
+            aActiveIap = connectionInfo().iIapId;
+            break;
+        }
+    }
+
+    LOG1( EJavaMMAPI, EInfo, "MMA:CMMAVideoUrlPlayer::FindActiveIap: aActiveIap = %d -", aActiveIap);
+}
+
+TBool CMMAVideoUrlPlayer::IsLiveStreamL()
+{
+    LOG( EJavaMMAPI, EInfo, "CMMAVideoUrlPlayer::IsLiveStream: Checking if this is a live stream..");
+
+    CMMFMetaDataEntry* currEntry = NULL;
+
+    TInt nEntries = 0;
+    User::LeaveIfError(iController.GetNumberOfMetaDataEntries(nEntries));
+
+    for (TInt i = 0; i < nEntries; ++i)
+    {
+        currEntry = iController.GetMetaDataEntryL(i);
+
+        if ((0 == currEntry->Name().Compare(KMMALiveStreamMetaDataKeyword)) &&
+                (0 == currEntry->Value().Compare(KMMALiveStreamMetaDataValue)))
+        {
+            LOG( EJavaMMAPI, EInfo, "CMMAVideoUrlPlayer::IsLiveStream: Stream is a live stream");
+            delete currEntry;
+            return ETrue;
+        }
+
+        delete currEntry;
+    }
+
+    LOG( EJavaMMAPI, EInfo, "CMMAVideoUrlPlayer::IsLiveStream: Not a live stream");
+    return EFalse;
+}
+
+EXPORT_C void CMMAVideoUrlPlayer::HandleEvent(const TMMFEvent& aEvent)
+{
+    LOG1( EJavaMMAPI, EInfo, "MMA:CMMAVideoUrlPlayer::HandleEvent 0x%X", aEvent.iEventType.iUid);
+    ELOG1( EJavaMMAPI, "MMA:CMMAVideoUrlPlayer::HandleEvent error code: %d", aEvent.iErrorCode);
+    RThread currentThread;
+
+    if (iPlayerDelegate != NULL)
+    {
+        LOG( EJavaMMAPI, EInfo, "MMA::CMMAVideoUrlPlayer::HandleEvent: iPlayerDelegate != NULL");
+        iPlayerDelegate->HandleEvent(aEvent);
+    }
+    else
+    {
+        LOG( EJavaMMAPI, EInfo, "MMA::CMMAVideoUrlPlayer::HandleEvent: else");
+
+        __ASSERT_DEBUG(iPlayerDelegate == NULL, User::Invariant());
+        TInt err = aEvent.iErrorCode;
+
+        LOG1( EJavaMMAPI, EInfo, "MMA:CMMAVideoUrlPlayer::HandleEvent: currentThread.Priority() I = %d", currentThread.Priority());
+
+        // Lower thread priority to give more CPU time to Java-threads
+        // i.e. current thread has one increment higher priority than
+        // EPriorityNormal
+        if (aEvent.iEventType == KMMFEventCategoryVideoOpenComplete &&
+                err == KErrNone)
+        {
+            currentThread.SetPriority(EPriorityNormal);
+        }
+
+        LOG1( EJavaMMAPI, EInfo, "MMA:CMMAVideoUrlPlayer::HandleEvent: currentThread.Priority() II = %d", currentThread.Priority());
+
+        if (aEvent.iEventType == KMMFEventCategoryVideoPrepareComplete)
+        {
+            // Restore original thread priority
+            currentThread.SetPriority(iOrigPriority);
+            LOG1( EJavaMMAPI, EInfo, "MMA:CMMAVideoUrlPlayer::HandleEvent: currentThread.Priority() III = %d", currentThread.Priority());
+
+            // NotCompleteVideoError is not considered as an error condition, instead it indicates
+            // that some elements of the media cannot be played (e.g. video OR audio)
+            if (err != KErrNone && err != KNotCompleteVideoError)
+            {
+                CompletePrefetch(err);
+                return;
+            }
+
+            // Find out of this is a live stream
+            TBool liveStream = EFalse;
+            TRAP(err, liveStream = IsLiveStreamL());
+
+            if (err != KErrNone)
+            {
+                CompletePrefetch(err);
+                return;
+            }
+
+            if (liveStream)
+            {
+                TRAP(err, iPlayerDelegate =
+                         CMMAVideoUrlPlayerLiveStreamDelegate::NewL(*this));
+            }
+            else
+            {
+                iPlayerDelegate = new CMMAVideoUrlPlayerClipStreamDelegate(*this);
+                err = iPlayerDelegate ? KErrNone : KErrNoMemory;
+            }
+
+            if (err != KErrNone)
+            {
+                // could not create delegate
+                CompletePrefetch(err);
+                return;
+            }
+
+            iPlayerDelegate->HandleEvent(aEvent);
+        }
+        else
+        {
+            // All other events.
+            LOG( EJavaMMAPI, EInfo, "MMA::CMMAVideoUrlPlayer::HandleEvent: Calling CMMAVideoPlayer::HandleEvent()");
+            CMMAVideoPlayer::HandleEvent(aEvent);
+        }
+    }
+}
+
+void CMMAVideoUrlPlayer::HandleEventToParent(const TMMFEvent& aEvent)
+{
+    CMMAVideoPlayer::HandleEvent(aEvent);
+}
+
+// ----------------------------------------------------------------------------
+//
+// CMMAVideoUrlPlayerClipStreamDelegate
+//
+// ----------------------------------------------------------------------------
+
+CMMAVideoUrlPlayer::CMMAVideoUrlPlayerDelegate::
+CMMAVideoUrlPlayerDelegate(CMMAVideoUrlPlayer& aPlayer) :
+        iPlayer(aPlayer)
+{
+    // Nothing to be done.
+}
+
+CMMAVideoUrlPlayer::CMMAVideoUrlPlayerDelegate::~CMMAVideoUrlPlayerDelegate()
+{
+    // Nothing to be done.
+}
+
+//  END OF FILE