khronosfws/openmax_al/src/mediaplayer/xaseekitf.c
branchRCL_3
changeset 19 095bea5f582e
equal deleted inserted replaced
18:a36789189b53 19:095bea5f582e
       
     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: Seek Itf Implementation
       
    15  *
       
    16  */
       
    17 
       
    18 #include <stdio.h>
       
    19 #include <stdlib.h>
       
    20 #include <assert.h>
       
    21 
       
    22 #include "xaseekitf.h"
       
    23 #include "xathreadsafety.h"
       
    24 #include "xaplayitfadaptationmmf.h"
       
    25 #include "xaseekitfadaptationmmf.h"
       
    26 /**
       
    27  * XASeekItfImpl* GetImpl(XASeekItf self)
       
    28  * Description: Validate interface pointer and cast it to implementation pointer.
       
    29  */
       
    30 static XASeekItfImpl* GetImpl(XASeekItf self)
       
    31     {
       
    32     if (self)
       
    33         {
       
    34         XASeekItfImpl* impl = (XASeekItfImpl*) (*self);
       
    35         if (impl && impl == impl->self)
       
    36             {
       
    37             return impl;
       
    38             }
       
    39         }
       
    40     return NULL;
       
    41     }
       
    42 
       
    43 /**
       
    44  * Base interface XASeekItf implementation
       
    45  */
       
    46 
       
    47 /**
       
    48  * XAresult XASeekItfImpl_SetPosition(XASeekItf self, XAmillisecond pos,
       
    49  *                                    XAuint32 seekMode)
       
    50  * Description: Sets the position of the playback head.
       
    51  **/
       
    52 XAresult XASeekItfImpl_SetPosition(XASeekItf self, XAmillisecond pos,
       
    53         XAuint32 seekMode)
       
    54     {
       
    55     XAresult ret = XA_RESULT_SUCCESS;
       
    56     XAmillisecond duration = 0;
       
    57     XASeekItfImpl* impl = GetImpl(self);
       
    58     DEBUG_API("->XASeekItfImpl_SetPosition");
       
    59     XA_IMPL_THREAD_SAFETY_ENTRY( XATSMediaPlayer );
       
    60 
       
    61     if (!impl)
       
    62         {
       
    63         /* invalid parameter */
       
    64         XA_IMPL_THREAD_SAFETY_EXIT( XATSMediaPlayer );
       
    65         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
    66         DEBUG_API("<-XASeekItfImpl_SetPosition");
       
    67         return XA_RESULT_PARAMETER_INVALID;
       
    68         }
       
    69 
       
    70     if (impl->adapCtx->fwtype == FWMgrFWMMF)
       
    71         {
       
    72         /* Get duration of the content */
       
    73         if (XAPlayItfAdaptMMF_GetDuration(
       
    74                 (XAAdaptationBaseCtx*) impl->adapCtx, &duration)
       
    75                 != XA_RESULT_SUCCESS)
       
    76             {
       
    77             /* invalid parameter */
       
    78             XA_IMPL_THREAD_SAFETY_EXIT( XATSMediaPlayer );
       
    79             DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
    80             DEBUG_API("<-XASeekItfImpl_SetPosition");
       
    81             return XA_RESULT_PARAMETER_INVALID;
       
    82             }
       
    83         if (pos > duration)
       
    84             {
       
    85             /* invalid parameter */
       
    86             XA_IMPL_THREAD_SAFETY_EXIT( XATSMediaPlayer );
       
    87             DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
    88             DEBUG_API("<-XASeekItfImpl_SetPosition");
       
    89             return XA_RESULT_PARAMETER_INVALID;
       
    90             }
       
    91 
       
    92         if (seekMode != XA_SEEKMODE_FAST && seekMode != XA_SEEKMODE_ACCURATE)
       
    93             {
       
    94             /* seek mode unsupported */
       
    95             XA_IMPL_THREAD_SAFETY_EXIT( XATSMediaPlayer );
       
    96             DEBUG_ERR("XA_RESULT_FEATURE_UNSUPPORTED");
       
    97             DEBUG_API("<-XASeekItfImpl_SetPosition");
       
    98             return XA_RESULT_FEATURE_UNSUPPORTED;
       
    99             }
       
   100 
       
   101         ret = XASeekItfAdaptMMF_SetPosition(impl->adapCtx, pos, seekMode);
       
   102         if (ret == XA_RESULT_SUCCESS)
       
   103             {
       
   104             impl->playbackPosition = pos;
       
   105             impl->seekMode = seekMode;
       
   106             }
       
   107         }
       
   108 
       
   109     XA_IMPL_THREAD_SAFETY_EXIT( XATSMediaPlayer );
       
   110     DEBUG_API("<-XASeekItfImpl_SetPosition");
       
   111     return ret;
       
   112     }
       
   113 
       
   114 /**
       
   115  * XAresult XASeekItfImpl_SetLoop(XASeekItf self, XAboolean loopEnable,
       
   116  *                                XAmillisecond startPos, XAmillisecond endPos)
       
   117  * Description: Enables or disables looping and sets the start and end points of looping.
       
   118  **/
       
   119 XAresult XASeekItfImpl_SetLoop(XASeekItf self, XAboolean loopEnable,
       
   120         XAmillisecond startPos, XAmillisecond endPos)
       
   121     {
       
   122     XAresult ret = XA_RESULT_SUCCESS;
       
   123     XAmillisecond duration = 0;
       
   124     XASeekItfImpl* impl = GetImpl(self);
       
   125     DEBUG_API_A2("->XASeekItfImpl_SetLoop, startPos:%lu, endPos:%lu", startPos, endPos);
       
   126     XA_IMPL_THREAD_SAFETY_ENTRY( XATSMediaPlayer );
       
   127 
       
   128     if (!impl || (startPos > endPos))
       
   129         {
       
   130         /* invalid parameter */
       
   131         XA_IMPL_THREAD_SAFETY_EXIT( XATSMediaPlayer );
       
   132         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
   133         DEBUG_API("<-XASeekItfImpl_SetLoop");
       
   134         return XA_RESULT_PARAMETER_INVALID;
       
   135         }
       
   136 
       
   137     if (impl->adapCtx->fwtype == FWMgrFWMMF)
       
   138         {
       
   139         /* Get duration of the content */
       
   140         if (XAPlayItfAdaptMMF_GetDuration(
       
   141                 (XAAdaptationBaseCtx*) impl->adapCtx, &duration)
       
   142                 != XA_RESULT_SUCCESS)
       
   143             {
       
   144             /* invalid parameter */
       
   145             XA_IMPL_THREAD_SAFETY_EXIT( XATSMediaPlayer );
       
   146             DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
   147             DEBUG_API("<-XASeekItfImpl_SetLoop");
       
   148             return XA_RESULT_PARAMETER_INVALID;
       
   149             }
       
   150         if (endPos > duration && endPos != XA_TIME_UNKNOWN)
       
   151             {
       
   152             /* invalid parameter */
       
   153             XA_IMPL_THREAD_SAFETY_EXIT( XATSMediaPlayer );
       
   154             DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
   155             DEBUG_API("<-XASeekItfImpl_SetLoop");
       
   156             return XA_RESULT_PARAMETER_INVALID;
       
   157             }
       
   158 
       
   159         ret = XASeekItfAdaptMMF_SetLoop(impl->adapCtx, loopEnable, startPos,
       
   160                 endPos);
       
   161         if (ret == XA_RESULT_SUCCESS)
       
   162             {
       
   163             impl->loopEnable = loopEnable;
       
   164             impl->startPos = startPos;
       
   165             impl->endPos = endPos;
       
   166             }
       
   167         }
       
   168 
       
   169     XA_IMPL_THREAD_SAFETY_EXIT( XATSMediaPlayer );
       
   170     DEBUG_API("<-XASeekItfImpl_SetLoop");
       
   171     return ret;
       
   172     }
       
   173 
       
   174 /**
       
   175  * XAresult XASeekItfImpl_GetLoop(XASeekItf self, XAboolean *pLoopEnabled,
       
   176  *                                XAmillisecond *pStartPos,
       
   177  *                                XAmillisecond *pEndPos)
       
   178  * Description: Queries whether looping is enabled or disabled, and retrieves loop points.
       
   179  **/
       
   180 XAresult XASeekItfImpl_GetLoop(XASeekItf self, XAboolean *pLoopEnabled,
       
   181         XAmillisecond *pStartPos, XAmillisecond *pEndPos)
       
   182     {
       
   183     XAresult ret = XA_RESULT_SUCCESS;
       
   184 
       
   185     XASeekItfImpl* impl = GetImpl(self);
       
   186     DEBUG_API("->XASeekItfImpl_GetLoop");
       
   187 
       
   188     if (!impl || !pLoopEnabled || !pStartPos || !pEndPos)
       
   189         {
       
   190         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
   191         DEBUG_API("<-XASeekItfImpl_GetLoop");
       
   192         /* invalid parameter */
       
   193         return XA_RESULT_PARAMETER_INVALID;
       
   194         }
       
   195 
       
   196     *pLoopEnabled = impl->loopEnable;
       
   197     *pStartPos = impl->startPos;
       
   198     *pEndPos = impl->endPos;
       
   199 
       
   200     DEBUG_API("<-XASeekItfImpl_GetLoop");
       
   201     return ret;
       
   202     }
       
   203 
       
   204 /**
       
   205  * XASeekItfImpl -specific methods
       
   206  **/
       
   207 
       
   208 /**
       
   209  * XASeekItfImpl* XASeekItfImpl_Create()
       
   210  * Description: Allocate and initialize SeekItfImpl.
       
   211  **/
       
   212 XASeekItfImpl* XASeekItfImpl_Create(XAMediaPlayerImpl* impl)
       
   213     {
       
   214     XASeekItfImpl *self = (XASeekItfImpl*) calloc(1, sizeof(XASeekItfImpl));
       
   215     DEBUG_API("->XASeekItfImpl_Create");
       
   216     if (self)
       
   217         {
       
   218         /* init itf default implementation */
       
   219         self->itf.GetLoop = XASeekItfImpl_GetLoop;
       
   220         self->itf.SetLoop = XASeekItfImpl_SetLoop;
       
   221         self->itf.SetPosition = XASeekItfImpl_SetPosition;
       
   222 
       
   223         /* init variables */
       
   224         self->playbackPosition = 0;
       
   225         self->seekMode = 0;
       
   226         self->loopEnable = XA_BOOLEAN_FALSE;
       
   227         self->startPos = 0;
       
   228         self->endPos = 0;
       
   229 
       
   230         self->adapCtx = impl->curAdaptCtx;
       
   231 
       
   232         self->self = self;
       
   233         }
       
   234     DEBUG_API("<-XASeekItfImpl_Create");
       
   235     return self;
       
   236     }
       
   237 
       
   238 /**
       
   239  * void XASeekItfImpl_Free(XASeekItfImpl* self)
       
   240  * Description: Free all resources reserved at XASeekItfImpl_Create.
       
   241  **/
       
   242 void XASeekItfImpl_Free(XASeekItfImpl* self)
       
   243     {
       
   244     DEBUG_API("->XASeekItfImpl_Free");
       
   245     if(self)
       
   246         {
       
   247         assert(self==self->self);
       
   248         free(self);
       
   249         }
       
   250     DEBUG_API("<-XASeekItfImpl_Free");
       
   251     }