javauis/mmapi_akn/baseline/src/cmmavideourlplayerlivestreamdelegate.cpp
branchRCL_3
changeset 19 04becd199f91
child 46 4376525cdefb
equal deleted inserted replaced
16:f5050f1da672 19:04becd199f91
       
     1 /*
       
     2 * Copyright (c) 2002-2007 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Player delegate to handle RTSP live streaming
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 //  INCLUDE FILES
       
    20 #include <jdebug.h>
       
    21 
       
    22 #include "cmmavideourlplayer.h"
       
    23 
       
    24 CMMAVideoUrlPlayer::CMMAVideoUrlPlayerLiveStreamDelegate*
       
    25 CMMAVideoUrlPlayer::CMMAVideoUrlPlayerLiveStreamDelegate::NewL(CMMAVideoUrlPlayer& aPlayer)
       
    26 {
       
    27     CMMAVideoUrlPlayerLiveStreamDelegate* self =
       
    28         new(ELeave) CMMAVideoUrlPlayerLiveStreamDelegate(aPlayer);
       
    29     CleanupStack::PushL(self);
       
    30     self->ConstructL();
       
    31     CleanupStack::Pop();
       
    32     return self;
       
    33 }
       
    34 
       
    35 CMMAVideoUrlPlayer::CMMAVideoUrlPlayerLiveStreamDelegate::
       
    36 CMMAVideoUrlPlayerLiveStreamDelegate(CMMAVideoUrlPlayer& aPlayer) :
       
    37         CMMAVideoUrlPlayerDelegate(aPlayer), iMediaStartTime(0),
       
    38         iStoppedAtTime(0)
       
    39 {
       
    40 }
       
    41 
       
    42 void CMMAVideoUrlPlayer::CMMAVideoUrlPlayerLiveStreamDelegate::ConstructL()
       
    43 {
       
    44     iActiveSchedulerWait = new(ELeave)CActiveSchedulerWait;
       
    45 }
       
    46 
       
    47 CMMAVideoUrlPlayer::CMMAVideoUrlPlayerLiveStreamDelegate::~CMMAVideoUrlPlayerLiveStreamDelegate()
       
    48 {
       
    49     delete iActiveSchedulerWait;
       
    50 }
       
    51 
       
    52 void CMMAVideoUrlPlayer::CMMAVideoUrlPlayerLiveStreamDelegate::StartL()
       
    53 {
       
    54     // start can't be called to not ready player
       
    55     ASSERT(iPlayer.iState == EPrefetched);
       
    56 
       
    57 
       
    58     iPlayer.PrefetchL();
       
    59 
       
    60     // Refresh all controls again after second prefetch
       
    61     iPlayer.RefreshControls();
       
    62 
       
    63     // Completed in VideoPrepareComplete-event
       
    64     if (!iActiveSchedulerWait->IsStarted())
       
    65     {
       
    66         DEBUG("MMA:CMMAVideoUrlPlayer: Live stream: StartL() ASW Start1");
       
    67         iActiveSchedulerWait->Start();
       
    68     }
       
    69 
       
    70     // Prime() is called sometimes twice since it's needed also when
       
    71     // restarting the playing
       
    72     User::LeaveIfError(iPlayer.iController.Prime());
       
    73     User::LeaveIfError(iPlayer.iController.Play());
       
    74 
       
    75     // Completed in VideoLoadingComplete-event
       
    76     if (!iActiveSchedulerWait->IsStarted())
       
    77     {
       
    78         DEBUG("MMA:CMMAVideoUrlPlayer: Live stream: StartL() ASW Start2");
       
    79         iActiveSchedulerWait->Start();
       
    80     }
       
    81     iPlayer.PostActionCompleted(KErrNone);   // java start return
       
    82 }
       
    83 
       
    84 void CMMAVideoUrlPlayer::CMMAVideoUrlPlayerLiveStreamDelegate::StopL(TBool aPostEvent)
       
    85 {
       
    86     DEBUG("MMA:CMMAVideoUrlPlayer: Live stream: StopL");
       
    87     if (iPlayer.iState == EStarted)
       
    88     {
       
    89         DEBUG("MMA:CMMAVideoUrlPlayer: Live stream: StopL : Started ");
       
    90         GetMediaTime(&iStoppedAtTime);
       
    91         if (aPostEvent)
       
    92         {
       
    93             DEBUG("MMA:CMMAVideoUrlPlayer: Live stream: StopL : Postevent ");
       
    94             iPlayer.PostLongEvent(CMMAPlayerEvent::EStopped, iStoppedAtTime);
       
    95         }
       
    96         // go back to prefetched state
       
    97         iPlayer.ChangeState(EPrefetched);
       
    98 
       
    99         // Call stop instead of Pause as per the suggestions from helix
       
   100         // Pause has no meaning for live streaming
       
   101         iPlayer.iController.Stop();
       
   102     }
       
   103     DEBUG("MMA:CMMAVideoUrlPlayer: Live stream: StopL - ");
       
   104 }
       
   105 
       
   106 void CMMAVideoUrlPlayer::CMMAVideoUrlPlayerLiveStreamDelegate::GetMediaTime(TInt64* aMediaTime)
       
   107 {
       
   108     DEBUG("MMA:CMMAVideoUrlPlayer::CMMAVideoUrlPlayerLiveStreamDelegate::GetMediaTime +");
       
   109     if (iPlayer.iState == EStarted)
       
   110     {
       
   111         DEBUG("MMA:CMMAVideoUrlPlayer::CMMAVideoUrlPlayerLiveStreamDelegate::GetMediaTime Started Playerbase call");
       
   112         iPlayer.CMMAMMFPlayerBase::GetMediaTime(aMediaTime);
       
   113         *aMediaTime -= iMediaStartTime;
       
   114     }
       
   115     else
       
   116     {
       
   117         DEBUG("MMA:CMMAVideoUrlPlayer::CMMAVideoUrlPlayerLiveStreamDelegate::GetMediaTime Stopped");
       
   118         *aMediaTime = iStoppedAtTime;
       
   119     }
       
   120     DEBUG("MMA:CMMAVideoUrlPlayer::CMMAVideoUrlPlayerLiveStreamDelegate::GetMediaTime -");
       
   121 }
       
   122 
       
   123 void CMMAVideoUrlPlayer::CMMAVideoUrlPlayerLiveStreamDelegate::HandleEvent(const TMMFEvent& aEvent)
       
   124 {
       
   125     DEBUG_INT("MMA:CMMAVideoUrlPlayer: Live stream: HandleEvent %d", aEvent.iEventType.iUid);
       
   126     DEBUG_INT("MMA:CMMAVideoUrlPlayer: Live stream: HandleEvent error code: %d", aEvent.iErrorCode);
       
   127 
       
   128     TInt err = aEvent.iErrorCode;
       
   129 
       
   130     if ((aEvent.iEventType == KMMFEventCategoryVideoLoadingComplete) &&
       
   131             (iPlayer.iState == EPrefetched))
       
   132     {
       
   133         DEBUG("MMA:CMMAVideoUrlPlayer: Live stream: KMMFEventCategoryVideoLoadingComplete +");
       
   134         if (err == KErrNone)
       
   135         {
       
   136             TTimeIntervalMicroSeconds position(0);
       
   137             TInt error(iPlayer.iController.GetPosition(position));
       
   138             if (error == KErrNone)
       
   139             {
       
   140                 iMediaStartTime = position.Int64();
       
   141             }
       
   142 
       
   143             // inform java side. Always start playback from zero for
       
   144             // live stream.
       
   145             iPlayer.PostLongEvent(CMMAPlayerEvent::EStarted, 0);
       
   146 
       
   147             // Buffering takes a long time, so player state is not changed
       
   148             // until playback really starts.
       
   149             iPlayer.ChangeState(EStarted);
       
   150         }
       
   151         if (iActiveSchedulerWait->IsStarted())
       
   152         {
       
   153             DEBUG("MMA:CMMAVideoUrlPlayer: Live stream: KMMFEventCategoryVideoLoadingComplete ASW Stop");
       
   154             iActiveSchedulerWait->AsyncStop();
       
   155         }
       
   156         if (err != KErrNone)
       
   157         {
       
   158             DEBUG("MMA:CMMAVideoUrlPlayer: Live stream: KMMFEventCategoryVideoLoadingComplete Error Inform Parent");
       
   159             iPlayer.HandleEventToParent(aEvent);
       
   160         }
       
   161         DEBUG("MMA:CMMAVideoUrlPlayer: Live stream: KMMFEventCategoryVideoLoadingComplete -");
       
   162     }
       
   163     else if (aEvent.iEventType == KMMFEventCategoryVideoPrepareComplete)
       
   164     {
       
   165         DEBUG("MMA:CMMAVideoUrlPlayer: Live stream: KMMFEventCategoryVideoPrepareComplete +");
       
   166         // going to prefetch state, after Play
       
   167         // KMMFEventCategoryVideoLoadingComplete event will be received
       
   168 
       
   169         if (err == KErrNone)
       
   170         {
       
   171             iPlayer.PrepareDisplay();
       
   172         }
       
   173 
       
   174         // For live streams: complete prefetch.
       
   175         // if activeschedulerwait is started, then
       
   176         // do not complete prefetch as we are here
       
   177         // as a result of calling StartL and not for
       
   178         // PrefetchL.
       
   179         if (!(iActiveSchedulerWait->IsStarted()))
       
   180         {
       
   181             iPlayer.CompletePrefetch(err);
       
   182         }
       
   183 
       
   184         if (iActiveSchedulerWait->IsStarted())
       
   185         {
       
   186             DEBUG("MMA:CMMAVideoUrlPlayer: Live stream: KMMFEventCategoryVideoPrepareComplete ASW Stop");
       
   187             iActiveSchedulerWait->AsyncStop();
       
   188         }
       
   189         DEBUG("MMA:CMMAVideoUrlPlayer: Live stream: KMMFEventCategoryVideoPrepareComplete -");
       
   190     }
       
   191     else if (aEvent.iEventType == KMMFEventCategoryVideoPlayerGeneralError)
       
   192     {
       
   193         DEBUG("MMA:CMMAVideoUrlPlayer: Live stream: KMMFEventCategoryVideoPlayerGeneralError +");
       
   194         // For live streams: KMMFEventCategoryVideoPlayerGeneralError means helix is closed
       
   195         // side if player is in prefetched state.
       
   196         if (iActiveSchedulerWait->IsStarted())
       
   197         {
       
   198             DEBUG("MMA:CMMAVideoUrlPlayer: Live stream: KMMFEventCategoryVideoPlayerGeneralError ASW Stop");
       
   199             iActiveSchedulerWait->AsyncStop();
       
   200         }
       
   201 
       
   202         // usually error condition -45 (KErrSessionClosed) or -33 (KErrTimedOut)
       
   203         if (err != KErrNone)
       
   204         {
       
   205             DEBUG("MMA:CMMAVideoUrlPlayer: Live stream: KMMFEventCategoryVideoPlayerGeneralError Inform Parent");
       
   206             iPlayer.HandleEventToParent(aEvent);
       
   207         }
       
   208         DEBUG("MMA:CMMAVideoUrlPlayer: Live stream: KMMFEventCategoryVideoPlayerGeneralError -");
       
   209     }
       
   210     else
       
   211     {
       
   212         DEBUG_INT("MMA:CMMAVideoUrlPlayer: Live stream: + 0x%X", aEvent.iEventType.iUid);
       
   213         // For live streams: KErrSessionClosed is not posted to Java
       
   214         // side if player is in prefetched state.
       
   215         if ((iPlayer.iState != EPrefetched) ||
       
   216                 (aEvent.iErrorCode != KErrSessionClosed))
       
   217         {
       
   218             DEBUG("MMA:CMMAVideoUrlPlayer: Live stream: Error Inform Parent");
       
   219             // All other events.
       
   220             iPlayer.HandleEventToParent(aEvent);
       
   221         }
       
   222         DEBUG_INT("MMA:CMMAVideoUrlPlayer: Live stream: - 0x%X", aEvent.iEventType.iUid);
       
   223     }
       
   224 
       
   225 }
       
   226 
       
   227 //  END OF FILE