khronosfws/openmax_al/src/ledarray/xaledarrayitf.c
changeset 12 5a06f39ad45b
child 16 43d09473c595
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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 #include "xaledarrayitf.h"
       
    22 #ifdef _GSTREAMER_BACKEND_  
       
    23 #include "XALEDArrayItfAdaptation.h"
       
    24 #endif
       
    25 #include "xathreadsafety.h"
       
    26 
       
    27 /* XALEDArrayItfImpl* GetImpl(XALEDArrayItf self)
       
    28  * Description: Validate interface pointer and cast it to implementation pointer.
       
    29  */
       
    30 static XALEDArrayItfImpl* GetImpl(XALEDArrayItf self)
       
    31 {
       
    32     if( self )
       
    33     {
       
    34         XALEDArrayItfImpl* impl = (XALEDArrayItfImpl*)(*self);
       
    35         if( impl && (impl == impl->self) )
       
    36         {
       
    37             return impl;
       
    38         }
       
    39     }
       
    40     return NULL;
       
    41 }
       
    42 
       
    43 /*****************************************************************************
       
    44  * Base interface XALEDArrayItf implementation
       
    45  *****************************************************************************/
       
    46 /*
       
    47  * XAresult XALEDArrayItfImpl_ActivateLEDArray ( XALEDArrayItf self,
       
    48  *                                               XAuint32 lightMask )
       
    49  * Description: Activates or deactivates individual LEDs in an array of LEDs.
       
    50  */
       
    51 XAresult XALEDArrayItfImpl_ActivateLEDArray ( XALEDArrayItf self,
       
    52                                               XAuint32 lightMask )
       
    53 {
       
    54     XAresult ret = XA_RESULT_SUCCESS;
       
    55     XALEDArrayItfImpl* impl = GetImpl(self);
       
    56 
       
    57     DEBUG_API("->XALEDArrayItfImpl_ActivateLEDArray");
       
    58     XA_IMPL_THREAD_SAFETY_ENTRY(XATSLEDArray);
       
    59 
       
    60     if( !impl || lightMask > LED_COUNT)
       
    61     {
       
    62         /* invalid parameter */
       
    63         XA_IMPL_THREAD_SAFETY_EXIT(XATSLEDArray);
       
    64         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
    65         DEBUG_API("<-XALEDArrayItfImpl_ActivateLEDArray");
       
    66         return XA_RESULT_PARAMETER_INVALID;
       
    67     }
       
    68 
       
    69     /* check is ligtMask mode changed */
       
    70     if( impl->lightMask != lightMask )
       
    71     {
       
    72 #ifdef _GSTREAMER_BACKEND_  
       
    73         ret = XALEDArrayItfAdapt_ActivateLEDArray( impl->adapCtx, lightMask );
       
    74 #endif
       
    75         if ( ret == XA_RESULT_SUCCESS )
       
    76         {
       
    77             impl->lightMask = lightMask;
       
    78         }
       
    79     }
       
    80 
       
    81     XA_IMPL_THREAD_SAFETY_EXIT(XATSLEDArray);
       
    82     DEBUG_API("<-XALEDArrayItfImpl_ActivateLEDArray");
       
    83     return ret;
       
    84 }
       
    85 /*
       
    86  * XAresult XALEDArrayItfImpl_IsLEDArrayActivated ( XALEDArrayItf self,
       
    87  *                                                  XAuint32 * pLightMask )
       
    88  * Description: Returns the state of each LED in an array of LEDs.
       
    89  */
       
    90 XAresult XALEDArrayItfImpl_IsLEDArrayActivated ( XALEDArrayItf self,
       
    91                                                  XAuint32 * pLightMask )
       
    92 {
       
    93     XAresult ret = XA_RESULT_SUCCESS;
       
    94     XALEDArrayItfImpl* impl = GetImpl(self);
       
    95     DEBUG_API("->XALEDArrayItfImpl_IsLEDArrayActivated");
       
    96 
       
    97     if( !impl || !pLightMask)
       
    98     {
       
    99         /* invalid parameter */
       
   100         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
   101         DEBUG_API("<-XALEDArrayItfImpl_IsLEDArrayActivated");
       
   102         return XA_RESULT_PARAMETER_INVALID;
       
   103     }
       
   104 
       
   105     *pLightMask = impl->lightMask;
       
   106 
       
   107     if( *pLightMask )
       
   108     {
       
   109         DEBUG_API("The LED is on.");
       
   110     }
       
   111     else
       
   112     {
       
   113         DEBUG_API("The LED is off.");
       
   114     }
       
   115 
       
   116     DEBUG_API("<-XALEDArrayItfImpl_IsLEDArrayActivated");
       
   117     return ret;
       
   118 }
       
   119 /*
       
   120  * XAresult XALEDArrayItfImpl_SetColor ( XALEDArrayItf self,
       
   121  *                                       XAuint8 index,
       
   122  *                                       const XAHSL * pColor )
       
   123  * Description: Sets the color of an individual LED.
       
   124  */
       
   125 XAresult XALEDArrayItfImpl_SetColor ( XALEDArrayItf self,
       
   126                                       XAuint8 index,
       
   127                                       const XAHSL * pColor )
       
   128 {
       
   129     XAresult ret = XA_RESULT_SUCCESS;
       
   130     XALEDArrayItfImpl* impl = GetImpl(self);
       
   131     XAboolean support = XA_BOOLEAN_FALSE;
       
   132 
       
   133     DEBUG_API("->XALEDArrayItfImpl_SetColor");
       
   134     XA_IMPL_THREAD_SAFETY_ENTRY(XATSLEDArray);
       
   135 
       
   136     if( !impl || index > LED_COUNT - 1 || !pColor )
       
   137     {
       
   138         /* invalid parameter */
       
   139         XA_IMPL_THREAD_SAFETY_EXIT(XATSLEDArray);
       
   140         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
   141         DEBUG_API("<-XALEDArrayItfImpl_SetColor");
       
   142         return XA_RESULT_PARAMETER_INVALID;
       
   143     }
       
   144 
       
   145     support = ( COLOR_MASK >> index ) & 0x1;
       
   146     if( !support ) /* Not supporting color*/
       
   147     {
       
   148         XA_IMPL_THREAD_SAFETY_EXIT(XATSLEDArray);
       
   149         DEBUG_ERR("XA_RESULT_PRECONDITIONS_VIOLATED: not supporting color");
       
   150         DEBUG_API("<-XALEDArrayItfImpl_SetColor");
       
   151         return XA_RESULT_PRECONDITIONS_VIOLATED;
       
   152     }
       
   153     else
       
   154     {
       
   155 #ifdef _GSTREAMER_BACKEND_  
       
   156         ret = XALEDArrayItfAdapt_SetColor( impl->adapCtx, index, pColor);
       
   157 #endif
       
   158         if ( ret == XA_RESULT_SUCCESS )
       
   159         {
       
   160             impl->color = *pColor;
       
   161         }
       
   162     }
       
   163 
       
   164     XA_IMPL_THREAD_SAFETY_EXIT(XATSLEDArray);
       
   165     DEBUG_API("<-XALEDArrayItfImpl_SetColor");
       
   166     return ret;
       
   167 }
       
   168 /*
       
   169  * XAresult XALEDArrayItfImpl_GetColor ( XALEDArrayItf self,
       
   170  *                                       XAuint8 index,
       
   171  *                                       const XAHSL * pColor )
       
   172  * Description: Returns the color of an individual LED.
       
   173  */
       
   174 XAresult XALEDArrayItfImpl_GetColor ( XALEDArrayItf self,
       
   175                                       XAuint8 index,
       
   176                                       XAHSL * pColor )
       
   177 {
       
   178     XAresult ret = XA_RESULT_SUCCESS;
       
   179     XALEDArrayItfImpl* impl = GetImpl(self);
       
   180     XAboolean support = XA_BOOLEAN_FALSE;
       
   181     DEBUG_API("->XALEDArrayItfImpl_GetColor");
       
   182 
       
   183     if( !impl || index > LED_COUNT - 1 || !pColor )
       
   184     {
       
   185         /* invalid parameter */
       
   186         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
       
   187         DEBUG_API("<-XALEDArrayItfImpl_GetColor");
       
   188         return XA_RESULT_PARAMETER_INVALID;
       
   189     }
       
   190 
       
   191 
       
   192     support = ( COLOR_MASK >> index ) & 0x1;
       
   193     if( !support ) /* Not supporting color*/
       
   194     {
       
   195         DEBUG_ERR("XA_RESULT_PRECONDITIONS_VIOLATED: not supporting color");
       
   196         DEBUG_API("<-XALEDArrayItfImpl_GetColor");
       
   197         return XA_RESULT_PRECONDITIONS_VIOLATED;
       
   198     }
       
   199     else
       
   200     {
       
   201         *pColor = impl->color;
       
   202     }
       
   203 
       
   204     DEBUG_API_A3("<-XALEDArrayItfImpl_GetColor: hue = %ld, saturation = %d, lightness = %d", pColor->hue, pColor->saturation, pColor->lightness);
       
   205     return ret;
       
   206 }
       
   207 
       
   208 /*****************************************************************************
       
   209  * XALEDArrayItfImpl -specific methods
       
   210  *****************************************************************************/
       
   211 #ifdef _GSTREAMER_BACKEND_  
       
   212 
       
   213 /* XALEDArrayItfImpl* XALEDArrayItfImpl_Create()
       
   214  * Description: Allocate and initialize LEDArrayItfImpl
       
   215  */
       
   216 XALEDArrayItfImpl* XALEDArrayItfImpl_Create( XAAdaptationBaseCtx *adapCtx )
       
   217 {
       
   218     XALEDArrayItfImpl* self = (XALEDArrayItfImpl*)
       
   219         calloc(1,sizeof(XALEDArrayItfImpl));
       
   220     DEBUG_API("->XALEDArrayItfImpl_Create");
       
   221     if( self )
       
   222     {
       
   223         /* init itf default implementation */
       
   224         self->itf.ActivateLEDArray = XALEDArrayItfImpl_ActivateLEDArray;
       
   225         self->itf.IsLEDArrayActivated = XALEDArrayItfImpl_IsLEDArrayActivated;
       
   226         self->itf.SetColor = XALEDArrayItfImpl_SetColor;
       
   227         self->itf.GetColor = XALEDArrayItfImpl_GetColor;
       
   228 
       
   229         /* init variables */
       
   230         self->lightMask = 0;
       
   231         self->color.hue = 0;
       
   232         self->color.saturation = 0;
       
   233         self->color.lightness = 0;
       
   234         self->adapCtx = adapCtx;
       
   235 
       
   236         self->self = self;
       
   237     }
       
   238 
       
   239     DEBUG_API("<-XALEDArrayItfImpl_Create");
       
   240     return self;
       
   241 }
       
   242 #endif
       
   243 /* void XALEDArrayItfImpl_Free(XALEDArrayItfImpl* self)
       
   244  * Description: Free all resources reserved at XALEDArrayItfImpl_Create
       
   245  */
       
   246 void XALEDArrayItfImpl_Free(XALEDArrayItfImpl* self)
       
   247 {
       
   248     DEBUG_API("->XALEDArrayItfImpl_Free");
       
   249     assert( self==self->self );
       
   250     free( self );
       
   251     DEBUG_API("<-XALEDArrayItfImpl_Free");
       
   252 }