khronosfws/openmax_al/src/mediaplayer/xaplayitf.c
changeset 12 5a06f39ad45b
child 16 43d09473c595
equal deleted inserted replaced
0:71ca22bcf22a 12:5a06f39ad45b
       
     1 /*
       
     2 * Copyright (c) 2009 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: 
       
    15 *
       
    16 */
       
    17 
       
    18 #include <stdio.h>
       
    19 #include <stdlib.h>
       
    20 #include <assert.h>
       
    21 
       
    22 #include "xaplayitf.h"
       
    23 #ifdef _GSTREAMER_BACKEND_  
       
    24 #include "XAPlayItfAdaptation.h"
       
    25 #endif
       
    26 #include "xaplayitfadaptationmmf.h"
       
    27 #include "xathreadsafety.h"
       
    28 #include <string.h>
       
    29 
       
    30 void* vfHandle;
       
    31 
       
    32 /* XAPlayItfImpl* GetImpl
       
    33  * Description: Validate interface pointer and cast it to implementation pointer.
       
    34  */
       
    35 static XAPlayItfImpl* GetImpl(XAPlayItf self)
       
    36 {
       
    37     if(self)
       
    38     {
       
    39         XAPlayItfImpl* impl = (XAPlayItfImpl*)(*self);
       
    40         if(impl && impl == impl->self)
       
    41         {
       
    42             return impl;
       
    43         }
       
    44     }
       
    45     return NULL;
       
    46 }
       
    47 
       
    48 /**
       
    49  * Base interface XAPlayItf implementation
       
    50  */
       
    51 
       
    52 /**
       
    53  * XAresult XAPlayItfImpl_SetPlayState(XAPlayItf self, XAuint32 state)
       
    54  * Description: Requests a transition of the player into the given play state.
       
    55  **/
       
    56 XAresult XAPlayItfImpl_SetPlayState(XAPlayItf self, XAuint32 state)
       
    57 {
       
    58     XAresult ret = XA_RESULT_SUCCESS;
       
    59     XAPlayItfImpl* impl = GetImpl(self);
       
    60     DEBUG_API_A1("->XAPlayItfImpl_SetPlayState %s",PLAYSTATENAME(state));
       
    61     XA_IMPL_THREAD_SAFETY_ENTRY( XATSMediaPlayer );
       
    62 
       
    63     if( !impl || state < XA_PLAYSTATE_STOPPED || state > XA_PLAYSTATE_PLAYING )
       
    64     {
       
    65         /* invalid parameter */
       
    66         XA_IMPL_THREAD_SAFETY_EXIT( XATSMediaPlayer );
       
    67         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
    68         DEBUG_API("<-XAPlayItfImpl_SetPlayState");
       
    69         return XA_RESULT_PARAMETER_INVALID;
       
    70     }
       
    71 
       
    72     /* check is play state changed, if not do nothing */
       
    73     if(state != impl->playbackState)
       
    74     {
       
    75         if(state == XA_PLAYSTATE_PLAYING)
       
    76         {
       
    77 #ifdef _GSTREAMER_BACKEND_
       
    78         XAPlayItfAdapt_GetPosition(impl->adapCtx, &(impl->lastPosition));
       
    79 #endif        
       
    80         }
       
    81         if(impl->isMMFPlayback)
       
    82         {
       
    83            ret = XAPlayItfAdaptMMF_SetPlayState(impl->adaptCtxMMF, state);    
       
    84         }
       
    85         else
       
    86         {
       
    87 #ifdef _GSTREAMER_BACKEND_
       
    88         ret = XAPlayItfAdapt_SetPlayState(impl->adapCtx, state);
       
    89 #endif        
       
    90         }
       
    91 
       
    92         if(ret == XA_RESULT_SUCCESS)
       
    93         {
       
    94             impl->playbackState = state;
       
    95             if(state == XA_PLAYSTATE_STOPPED || state == XA_PLAYSTATE_PAUSED)
       
    96             {
       
    97                 impl->isMarkerPosCbSend = XA_BOOLEAN_FALSE;
       
    98                 impl->lastPosition = 0;
       
    99             }
       
   100         }
       
   101     }
       
   102 
       
   103     XA_IMPL_THREAD_SAFETY_EXIT( XATSMediaPlayer );
       
   104     DEBUG_API("<-XAPlayItfImpl_SetPlayState");
       
   105     return ret;
       
   106 }
       
   107 
       
   108 /**
       
   109  * XAresult XAPlayItfImpl_GetPlayState(XAPlayItf self, XAuint32 *pState)
       
   110  * Description: Gets the player's current play state.
       
   111  **/
       
   112 XAresult XAPlayItfImpl_GetPlayState(XAPlayItf self, XAuint32 *pState)
       
   113 {
       
   114     XAresult ret = XA_RESULT_SUCCESS;
       
   115     XAPlayItfImpl* impl = GetImpl(self);
       
   116     DEBUG_API("->XAPlayItfImpl_GetPlayState");
       
   117 
       
   118     if(!impl || !pState)
       
   119     {
       
   120         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
   121         DEBUG_API("<-XAPlayItfImpl_GetPlayState");
       
   122         /* invalid parameter */
       
   123         return XA_RESULT_PARAMETER_INVALID;
       
   124     }
       
   125 
       
   126     *pState = impl->playbackState;
       
   127 
       
   128     DEBUG_API_A1("<-XAPlayItfImpl_GetPlayState: %s",PLAYSTATENAME(impl->playbackState));
       
   129     return ret;
       
   130 }
       
   131 
       
   132 /**
       
   133  * XAresult XAPlayItfImpl_GetDuration(XAPlayItf self, XAmillisecond *pMsec)
       
   134  * Description: Gets the duration of the current content, in milliseconds.
       
   135  **/
       
   136 XAresult XAPlayItfImpl_GetDuration(XAPlayItf self, XAmillisecond *pMsec)
       
   137 {
       
   138     XAresult ret = XA_RESULT_SUCCESS;
       
   139     XAPlayItfImpl* impl = GetImpl(self);
       
   140     DEBUG_API("->XAPlayItfImpl_GetDuration");
       
   141     XA_IMPL_THREAD_SAFETY_ENTRY( XATSMediaPlayer );
       
   142 
       
   143     if(!impl || !pMsec)
       
   144     {
       
   145         /* invalid parameter */
       
   146         XA_IMPL_THREAD_SAFETY_EXIT( XATSMediaPlayer );
       
   147         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
   148         DEBUG_API("<-XAPlayItfImpl_GetDuration");
       
   149         return XA_RESULT_PARAMETER_INVALID;
       
   150     }
       
   151 #ifdef _GSTREAMER_BACKEND_
       
   152     ret = XAPlayItfAdapt_GetDuration(impl->adapCtx, pMsec);
       
   153 #endif
       
   154     XA_IMPL_THREAD_SAFETY_EXIT( XATSMediaPlayer );
       
   155     DEBUG_API("<-XAPlayItfImpl_GetDuration");
       
   156     return ret;
       
   157 }
       
   158 
       
   159 /**
       
   160  * XAresult XAPlayItfImpl_GetPosition(XAPlayItf self, XAmillisecond *pMsec)
       
   161  * Description: Returns the current position of the playback head relative
       
   162  * to the beginning of the content.
       
   163  **/
       
   164 XAresult XAPlayItfImpl_GetPosition(XAPlayItf self, XAmillisecond *pMsec)
       
   165 {
       
   166     XAresult ret = XA_RESULT_SUCCESS;
       
   167     XAPlayItfImpl* impl = GetImpl(self);
       
   168     DEBUG_API("->XAPlayItfImpl_GetPosition");
       
   169     XA_IMPL_THREAD_SAFETY_ENTRY( XATSMediaPlayer );
       
   170     if(!impl || !pMsec)
       
   171     {
       
   172         /* invalid parameter */
       
   173         XA_IMPL_THREAD_SAFETY_EXIT( XATSMediaPlayer );
       
   174         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
   175         DEBUG_API("<-XAPlayItfImpl_GetPosition");
       
   176         return XA_RESULT_PARAMETER_INVALID;
       
   177     }
       
   178 
       
   179     if ( impl->playbackState == XA_PLAYSTATE_STOPPED )
       
   180     {
       
   181     	*pMsec = 0;
       
   182     	DEBUG_API("<-XAPlayItfImpl_GetPosition");
       
   183       XA_IMPL_THREAD_SAFETY_EXIT( XATSMediaPlayer );    	
       
   184     	return XA_RESULT_SUCCESS;
       
   185     }
       
   186 #ifdef _GSTREAMER_BACKEND_
       
   187     ret = XAPlayItfAdapt_GetPosition(impl->adapCtx, pMsec);
       
   188 #endif
       
   189     XA_IMPL_THREAD_SAFETY_EXIT( XATSMediaPlayer );
       
   190     DEBUG_API("<-XAPlayItfImpl_GetPosition");
       
   191     return ret;
       
   192 }
       
   193 
       
   194 /**
       
   195  * XAresult XAPlayItfImpl_RegisterCallback(XAPlayItf self, xaPlayCallback callback,
       
   196  *                                         void *pContext)
       
   197  * Description: Sets the playback callback function.
       
   198  **/
       
   199 XAresult XAPlayItfImpl_RegisterCallback(XAPlayItf self, xaPlayCallback callback,
       
   200                                         void *pContext)
       
   201 {
       
   202     XAresult ret = XA_RESULT_SUCCESS;
       
   203     XAPlayItfImpl* impl = GetImpl(self);
       
   204 
       
   205     DEBUG_API("->XAPlayItfImpl_RegisterCallback");
       
   206     if(!impl)
       
   207     {
       
   208         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
   209         DEBUG_API("<-XAPlayItfImpl_RegisterCallback");
       
   210         /* invalid parameter */
       
   211         return XA_RESULT_PARAMETER_INVALID;
       
   212     }
       
   213 
       
   214     /* callback may be NULL (to remove callback) */
       
   215     impl->callback = callback;
       
   216     impl->cbcontext = pContext;
       
   217     impl->cbPtrToSelf = self;
       
   218 
       
   219     DEBUG_API("<-XAPlayItfImpl_RegisterCallback");
       
   220     return ret;
       
   221 }
       
   222 
       
   223 /**
       
   224  * XAresult XAPlayItfImpl_SetCallbackEventsMask(XAPlayItf self, XAuint32 eventFlags)
       
   225  * Description: Enables/disables notification of playback events.
       
   226  **/
       
   227 XAresult XAPlayItfImpl_SetCallbackEventsMask(XAPlayItf self, XAuint32 eventFlags)
       
   228 {
       
   229     XAresult ret = XA_RESULT_SUCCESS;
       
   230     XAPlayItfImpl* impl = GetImpl(self);
       
   231 
       
   232     DEBUG_API("->XAPlayItfImpl_SetCallbackEventsMask");
       
   233     XA_IMPL_THREAD_SAFETY_ENTRY( XATSMediaPlayer );
       
   234 
       
   235     if(!impl || ( eventFlags > (XA_PLAYEVENT_HEADATEND | XA_PLAYEVENT_HEADATMARKER |
       
   236                   XA_PLAYEVENT_HEADATNEWPOS | XA_PLAYEVENT_HEADMOVING | XA_PLAYEVENT_HEADSTALLED) ) )
       
   237     {
       
   238         /* invalid parameter */
       
   239         XA_IMPL_THREAD_SAFETY_EXIT( XATSMediaPlayer );
       
   240         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
   241         DEBUG_API("<-XAPlayItfImpl_SetCallbackEventsMask");
       
   242         return XA_RESULT_PARAMETER_INVALID;
       
   243     }
       
   244 
       
   245     impl->eventFlags = eventFlags;
       
   246 #ifdef _GSTREAMER_BACKEND_
       
   247     /* enable position tracking if client wants so */
       
   248     if( (eventFlags & (XA_PLAYEVENT_HEADATMARKER | XA_PLAYEVENT_HEADATNEWPOS))
       
   249         &&  impl->adapCtx && !impl->positionupdateOn)
       
   250     {
       
   251         ret = XAPlayItfAdapt_EnablePositionTracking(impl->adapCtx, XA_BOOLEAN_TRUE);
       
   252         if( ret == XA_RESULT_SUCCESS )
       
   253         {
       
   254             impl->positionupdateOn = XA_BOOLEAN_TRUE;
       
   255         }
       
   256     }
       
   257     else if( !(eventFlags & (XA_PLAYEVENT_HEADATMARKER | XA_PLAYEVENT_HEADATNEWPOS))
       
   258             &&  impl->adapCtx && impl->positionupdateOn)
       
   259     {
       
   260         ret = XAPlayItfAdapt_EnablePositionTracking(impl->adapCtx, XA_BOOLEAN_FALSE);
       
   261         if( ret == XA_RESULT_SUCCESS )
       
   262         {
       
   263             impl->positionupdateOn = XA_BOOLEAN_FALSE;
       
   264         }
       
   265     }
       
   266 #endif
       
   267     XA_IMPL_THREAD_SAFETY_EXIT( XATSMediaPlayer );
       
   268     DEBUG_API("<-XAPlayItfImpl_SetCallbackEventsMask");
       
   269     return ret;
       
   270 }
       
   271 
       
   272 /**
       
   273  * XAresult XAPlayItfImpl_GetCallbackEventsMask(XAPlayItf self, XAuint32 *pEventFlags)
       
   274  * Description: Queries for the notification state (enabled/disabled) of playback events.
       
   275  **/
       
   276 XAresult XAPlayItfImpl_GetCallbackEventsMask(XAPlayItf self, XAuint32 *pEventFlags)
       
   277 {
       
   278     XAresult ret = XA_RESULT_SUCCESS;
       
   279     XAPlayItfImpl* impl = GetImpl(self);
       
   280 
       
   281     DEBUG_API("->XAPlayItfImpl_GetCallbackEventsMask");
       
   282     if(!impl || !pEventFlags)
       
   283     {
       
   284         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
   285         DEBUG_API("<-XAPlayItfImpl_GetCallbackEventsMask");
       
   286         /* invalid parameter */
       
   287         return XA_RESULT_PARAMETER_INVALID;
       
   288     }
       
   289 
       
   290     *pEventFlags = impl->eventFlags;
       
   291 
       
   292     DEBUG_API("<-XAPlayItfImpl_GetCallbackEventsMask");
       
   293     return ret;
       
   294 }
       
   295 
       
   296 /**
       
   297  * XAresult XAPlayItfImpl_SetMarkerPosition(XAPlayItf self, XAmillisecond mSec)
       
   298  * Description: Sets the position of the playback marker.
       
   299  **/
       
   300 XAresult XAPlayItfImpl_SetMarkerPosition(XAPlayItf self, XAmillisecond mSec)
       
   301 {
       
   302     XAresult ret = XA_RESULT_SUCCESS;
       
   303     XAmillisecond duration = 0;
       
   304     XAPlayItfImpl* impl = NULL;
       
   305 
       
   306 
       
   307     DEBUG_API_A1("->XAPlayItfImpl_SetMarkerPosition: %lu ms", mSec);
       
   308     /* Get duration of the content */
       
   309     if(XAPlayItfImpl_GetDuration(self, &duration) != XA_RESULT_SUCCESS)
       
   310     {
       
   311         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
   312         DEBUG_API("<-XAPlayItfImpl_SetMarkerPosition");
       
   313         /* invalid parameter */
       
   314         return XA_RESULT_PARAMETER_INVALID;
       
   315     }
       
   316 
       
   317     impl = GetImpl(self);
       
   318 
       
   319     if(!impl || mSec > duration)
       
   320     {
       
   321         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
   322         DEBUG_API("<-XAPlayItfImpl_SetMarkerPosition");
       
   323         /* invalid parameter */
       
   324         return XA_RESULT_PARAMETER_INVALID;
       
   325     }
       
   326     impl->markerPosition = mSec;
       
   327     impl->isMarkerPosCbSend = XA_BOOLEAN_FALSE;
       
   328 
       
   329     DEBUG_API("<-XAPlayItfImpl_SetMarkerPosition");
       
   330     return ret;
       
   331 }
       
   332 
       
   333 /**
       
   334  * XAresult XAPlayItfImpl_ClearMarkerPosition(XAPlayItf self)
       
   335  * Description: Clears marker.
       
   336  **/
       
   337 XAresult XAPlayItfImpl_ClearMarkerPosition(XAPlayItf self)
       
   338 {
       
   339     XAresult ret = XA_RESULT_SUCCESS;
       
   340     XAPlayItfImpl* impl = GetImpl(self);
       
   341 
       
   342     DEBUG_API("->XAPlayItfImpl_ClearMarkerPosition");
       
   343     if(!impl)
       
   344     {
       
   345         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
   346         DEBUG_API("<-XAPlayItfImpl_ClearMarkerPosition");
       
   347         /* invalid parameter */
       
   348         return XA_RESULT_PARAMETER_INVALID;
       
   349     }
       
   350     impl->isMarkerPosCbSend = XA_BOOLEAN_FALSE;
       
   351     impl->markerPosition = NO_POSITION;
       
   352 
       
   353     DEBUG_API("<-XAPlayItfImpl_ClearMarkerPosition");
       
   354     return ret;
       
   355 }
       
   356 
       
   357 /**
       
   358  * XAresult XAPlayItfImpl_GetMarkerPosition(XAPlayItf self, XAmillisecond *pMsec)
       
   359  * Description: Queries the position of playback marker.
       
   360  **/
       
   361 XAresult XAPlayItfImpl_GetMarkerPosition(XAPlayItf self, XAmillisecond *pMsec)
       
   362 {
       
   363     XAresult ret = XA_RESULT_SUCCESS;
       
   364     XAPlayItfImpl* impl = GetImpl(self);
       
   365 
       
   366     DEBUG_API("->XAPlayItfImpl_GetMarkerPosition");
       
   367     if(!impl || !pMsec)
       
   368     {
       
   369         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
   370         DEBUG_API("<-XAPlayItfImpl_GetMarkerPosition");
       
   371         /* invalid parameter */
       
   372         return XA_RESULT_PARAMETER_INVALID;
       
   373     }
       
   374 
       
   375     if(impl->markerPosition == NO_POSITION)
       
   376     {
       
   377         DEBUG_ERR("XA_RESULT_PRECONDITIONS_VIOLATED");
       
   378         DEBUG_API("<-XAPlayItfImpl_GetMarkerPosition");
       
   379         /*marker is not set */
       
   380         return XA_RESULT_PRECONDITIONS_VIOLATED;
       
   381     }
       
   382 
       
   383     *pMsec = impl->markerPosition;
       
   384 
       
   385     DEBUG_API("<-XAPlayItfImpl_GetMarkerPosition");
       
   386     return ret;
       
   387 }
       
   388 
       
   389 /**
       
   390  * XAresult XAPlayItfImpl_SetPositionUpdatePeriod(XAPlayItf self, XAmillisecond mSec)
       
   391  * Description: Sets the interval between periodic position notifications.
       
   392  **/
       
   393 XAresult XAPlayItfImpl_SetPositionUpdatePeriod(XAPlayItf self, XAmillisecond mSec)
       
   394 {
       
   395     XAresult ret = XA_RESULT_SUCCESS;
       
   396     XAPlayItfImpl* impl = GetImpl(self);
       
   397 
       
   398     DEBUG_API_A1("->XAPlayItfImpl_SetPositionUpdatePeriod, %lu mSec", mSec);
       
   399     if(!impl )
       
   400     {
       
   401         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
   402         DEBUG_API("<-XAPlayItfImpl_SetPositionUpdatePeriod");
       
   403         /* invalid parameter */
       
   404         return XA_RESULT_PARAMETER_INVALID;
       
   405     }
       
   406     impl->positionUpdatePeriod = mSec;
       
   407 
       
   408     DEBUG_API("<-XAPlayItfImpl_SetPositionUpdatePeriod");
       
   409     return ret;
       
   410 }
       
   411 
       
   412 /**
       
   413  * XAresult XAPlayItfImpl_GetPositionUpdatePeriod(XAPlayItf self, XAmillisecond *pMsec)
       
   414  * Description: Queries the interval between periodic position notifications.
       
   415  **/
       
   416 XAresult XAPlayItfImpl_GetPositionUpdatePeriod(XAPlayItf self, XAmillisecond *pMsec)
       
   417 {
       
   418     XAresult ret = XA_RESULT_SUCCESS;
       
   419     XAPlayItfImpl* impl = GetImpl(self);
       
   420 
       
   421     DEBUG_API("->XAPlayItfImpl_GetPositionUpdatePeriod");
       
   422     if(!impl || !pMsec)
       
   423     {
       
   424         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
   425         DEBUG_API("<-XAPlayItfImpl_GetPositionUpdatePeriod");
       
   426         /* invalid parameter */
       
   427         return XA_RESULT_PARAMETER_INVALID;
       
   428     }
       
   429 
       
   430     *pMsec = impl->positionUpdatePeriod;
       
   431 
       
   432     DEBUG_API("<-XAPlayItfImpl_GetPositionUpdatePeriod");
       
   433     return ret;
       
   434 }
       
   435 
       
   436 
       
   437 /**
       
   438  * XAPlayItfImpl -specific methods
       
   439  **/
       
   440 
       
   441 /**
       
   442  * XAPlayItfImpl* XAPlayItfImpl_Create()
       
   443  * Description: Allocate and initialize PlayItfImpl
       
   444  **/
       
   445 XAPlayItfImpl* XAPlayItfImpl_Create( 
       
   446 #ifdef _GSTREAMER_BACKEND_
       
   447         XAAdaptationBaseCtx *adapCtx,
       
   448 #endif        
       
   449         XAAdaptationBaseMMFCtx *adaptationCtxMMF )
       
   450 {
       
   451     XAPlayItfImpl *self;
       
   452 
       
   453     DEBUG_API("->XAPlayItfImpl_Create");
       
   454     self = (XAPlayItfImpl*)calloc(1,sizeof(XAPlayItfImpl));
       
   455     if(self)
       
   456     {
       
   457         /* init itf default implementation */
       
   458         self->itf.ClearMarkerPosition = XAPlayItfImpl_ClearMarkerPosition;
       
   459         self->itf.GetCallbackEventsMask = XAPlayItfImpl_GetCallbackEventsMask;
       
   460         self->itf.GetDuration = XAPlayItfImpl_GetDuration;
       
   461         self->itf.GetMarkerPosition = XAPlayItfImpl_GetMarkerPosition;
       
   462         self->itf.GetPlayState = XAPlayItfImpl_GetPlayState;
       
   463         self->itf.GetPosition = XAPlayItfImpl_GetPosition;
       
   464         self->itf.GetPositionUpdatePeriod = XAPlayItfImpl_GetPositionUpdatePeriod;
       
   465         self->itf.RegisterCallback = XAPlayItfImpl_RegisterCallback;
       
   466         self->itf.SetCallbackEventsMask = XAPlayItfImpl_SetCallbackEventsMask;
       
   467         self->itf.SetMarkerPosition = XAPlayItfImpl_SetMarkerPosition;
       
   468         self->itf.SetPlayState = XAPlayItfImpl_SetPlayState;
       
   469         self->itf.SetPositionUpdatePeriod = XAPlayItfImpl_SetPositionUpdatePeriod;
       
   470 
       
   471         /* init variables */
       
   472         self->callback = NULL;
       
   473         self->cbcontext = NULL;
       
   474         self->playbackState = XA_PLAYSTATE_STOPPED;
       
   475         self->eventFlags = 0;
       
   476         self->markerPosition = NO_POSITION;
       
   477         self->positionUpdatePeriod = PLAYITF_DEFAULT_UPDATE_PERIOD;
       
   478         self->lastPosition = START_POSITION;
       
   479 #ifdef _GSTREAMER_BACKEND_
       
   480         self->adapCtx = adapCtx;
       
   481 #endif        
       
   482         self->adaptCtxMMF = adaptationCtxMMF;
       
   483         self->cbPtrToSelf = NULL;
       
   484         self->isMarkerPosCbSend = XA_BOOLEAN_FALSE;
       
   485 
       
   486 #ifdef _GSTREAMER_BACKEND_  
       
   487         XAAdaptationBase_AddEventHandler( adapCtx, &XAPlayItfImpl_AdaptCb, XA_PLAYITFEVENTS, self );
       
   488 #endif
       
   489 
       
   490         self->self = self;
       
   491     }
       
   492 
       
   493     DEBUG_API("<-XAPlayItfImpl_Create");
       
   494     return self;
       
   495 }
       
   496 
       
   497 /* void XAPlayItfImpl_Free(XAPlayItfImpl* self)
       
   498  * Description: Free all resources reserved at XAPlayItfImpl_Create
       
   499  */
       
   500 void XAPlayItfImpl_Free(XAPlayItfImpl* self)
       
   501 {
       
   502     DEBUG_API("->XAPlayItfImpl_Free");
       
   503     assert(self==self->self);
       
   504 #ifdef _GSTREAMER_BACKEND_   
       
   505     XAAdaptationBase_RemoveEventHandler( self->adapCtx, &XAPlayItfImpl_AdaptCb );
       
   506 #endif    
       
   507     free(self);
       
   508     DEBUG_API("<-XAPlayItfImpl_Free");
       
   509 }
       
   510 
       
   511 #ifdef _GSTREAMER_BACKEND_  
       
   512 
       
   513 /* void XAPlayItfImpl_AdaptCb
       
   514  * Description: Listen changes in adaptation
       
   515  */
       
   516 void XAPlayItfImpl_AdaptCb( void *pHandlerCtx, XAAdaptEvent *event )
       
   517 {
       
   518     XAPlayItfImpl* impl = (XAPlayItfImpl*)pHandlerCtx;
       
   519     XAuint32 newpos = 0;
       
   520 
       
   521     DEBUG_API("->XAPlayItfImpl_AdaptCb");
       
   522     XA_IMPL_THREAD_SAFETY_ENTRY_FOR_VOID_FUNCTIONS( XATSMediaPlayer );
       
   523     if(!impl)
       
   524     {
       
   525         DEBUG_ERR("XAPlayItfImpl_AdaptCb, invalid context pointer!");
       
   526         DEBUG_API("<-XAPlayItfImpl_AdaptCb");
       
   527         XA_IMPL_THREAD_SAFETY_EXIT_FOR_VOID_FUNCTIONS( XATSMediaPlayer );
       
   528         return;
       
   529     }
       
   530     assert(event);
       
   531     /* check position update events */
       
   532     if( event->eventid == XA_ADAPT_POSITION_UPDATE_EVT )
       
   533     {
       
   534         assert(event->data);
       
   535         newpos = *((XAuint32*)(event->data));
       
   536         DEBUG_API_A1("Position update from adaptation: new position %lu ms",newpos);
       
   537 
       
   538         /* Check is looping start file playing before marker position */
       
   539         if(newpos < impl->markerPosition || impl->lastPosition > newpos)
       
   540         {
       
   541         	DEBUG_INFO("Restart looping, clear marker position callback flag.");
       
   542             impl->isMarkerPosCbSend = XA_BOOLEAN_FALSE;
       
   543         }
       
   544 
       
   545         /* check if marker passed and callback needed */
       
   546         if( (impl->markerPosition != NO_POSITION) &&
       
   547             (impl->eventFlags & XA_PLAYEVENT_HEADATMARKER) )
       
   548         {
       
   549             if( impl->callback &&
       
   550                 (
       
   551                   ((impl->lastPosition < impl->markerPosition) &&
       
   552                   (newpos > impl->markerPosition))
       
   553                   ||
       
   554                   (newpos == impl->markerPosition)
       
   555                 )
       
   556               )
       
   557             {
       
   558                 /* Check is callback already send */
       
   559                 if( impl->isMarkerPosCbSend != XA_BOOLEAN_TRUE )
       
   560                 {
       
   561                     impl->callback(impl->cbPtrToSelf, impl->cbcontext, XA_PLAYEVENT_HEADATMARKER);
       
   562                     impl->isMarkerPosCbSend = XA_BOOLEAN_TRUE;
       
   563                 }
       
   564             }
       
   565         }
       
   566         /* check if update period passed and callback needed */
       
   567         if( (impl->positionUpdatePeriod > 0) &&
       
   568             (impl->eventFlags & XA_PLAYEVENT_HEADATNEWPOS) &&
       
   569             impl->callback )
       
   570         {
       
   571             if( (XAuint32)((impl->lastPosition)/(impl->positionUpdatePeriod )) <
       
   572                 (XAuint32)(newpos/(impl->positionUpdatePeriod )) )
       
   573             {
       
   574                 impl->callback(impl->cbPtrToSelf, impl->cbcontext, XA_PLAYEVENT_HEADATNEWPOS);
       
   575             }
       
   576         }
       
   577         /* store position */
       
   578         impl->lastPosition = newpos;
       
   579     }
       
   580 
       
   581     /* check other events */
       
   582     else if( event->eventid == XA_PLAYEVENT_HEADATEND )
       
   583     {
       
   584         impl->playbackState = XA_PLAYSTATE_STOPPED;
       
   585         impl->lastPosition=0;
       
   586         /* send callback if needed */
       
   587         if( (XA_PLAYEVENT_HEADATEND & impl->eventFlags) && impl->callback )
       
   588         {
       
   589             impl->callback(impl->cbPtrToSelf, impl->cbcontext, XA_PLAYEVENT_HEADATEND);
       
   590         }
       
   591     }
       
   592     else if( event->eventid == XA_PLAYEVENT_HEADSTALLED )
       
   593     {
       
   594         impl->playbackState = XA_PLAYSTATE_PAUSED;
       
   595         XAPlayItfAdapt_GetPosition(impl->adapCtx, &(impl->lastPosition));
       
   596         /* send callback if needed */
       
   597         if( (XA_PLAYEVENT_HEADSTALLED & impl->eventFlags) && impl->callback )
       
   598         {
       
   599             impl->callback(impl->cbPtrToSelf, impl->cbcontext, XA_PLAYEVENT_HEADSTALLED);
       
   600         }
       
   601     }
       
   602     else if( event->eventid == XA_PLAYEVENT_HEADMOVING )
       
   603     {
       
   604         impl->playbackState = XA_PLAYSTATE_PLAYING;
       
   605         /* send callback if needed */
       
   606         if( (XA_PLAYEVENT_HEADMOVING & impl->eventFlags) && impl->callback )
       
   607         {
       
   608             impl->callback(impl->cbPtrToSelf, impl->cbcontext, XA_PLAYEVENT_HEADMOVING);
       
   609         }
       
   610     }
       
   611     else
       
   612     {
       
   613         /* do nothing */
       
   614     }
       
   615 
       
   616     DEBUG_API("<-XAPlayItfImpl_AdaptCb");
       
   617     XA_IMPL_THREAD_SAFETY_EXIT_FOR_VOID_FUNCTIONS( XATSMediaPlayer );
       
   618 }
       
   619 #endif
       
   620 
       
   621 XAresult XAPlayItfImpl_DeterminePlaybackEngine(XAPlayItf self, XADataLocator_URI *uri)
       
   622 {
       
   623 
       
   624   XAresult ret = XA_RESULT_SUCCESS;
       
   625   
       
   626   char* tempPtr = NULL;
       
   627   char extension[5];
       
   628   
       
   629   XAPlayItfImpl* impl = (XAPlayItfImpl*)(self);
       
   630   DEBUG_API("->XAPlayItfImpl_DeterminePlaybackEngine");
       
   631     
       
   632   //need to move to configuration file and add more in final class
       
   633   
       
   634   impl->isMMFPlayback = XA_BOOLEAN_TRUE;
       
   635 	
       
   636   tempPtr = strchr((char*)(uri->URI), '.');
       
   637   strcpy(extension, tempPtr);
       
   638 	
       
   639   if(!strcmp(extension, ".wav"))
       
   640   {
       
   641      impl->isMMFPlayback = XA_BOOLEAN_FALSE;
       
   642   }
       
   643 
       
   644   return ret;  
       
   645   
       
   646   DEBUG_API("<-XAPlayItfImpl_DeterminePlaybackEngine");
       
   647 }