asn1_createInteractible.c

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/*******************************************************************************
 * Copyright © 2014 The DTVKit Open Software Foundation Ltd (www.dtvkit.org)
 * Copyright © 2004 Ocean Blue Software Ltd
 * Copyright © 2000 Koninklijke Philips Electronics N.V
 *
 * This file is part of a DTVKit Software Component
 * You are permitted to copy, modify or distribute this file subject to the terms
 * of the DTVKit 1.0 Licence which can be found in licence.txt or at www.dtvkit.org
 * 
 * THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND,
 * EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
 * 
 * If you or your organisation is not a member of DTVKit then you have access
 * to this source code outside of the terms of the licence agreement
 * and you are expected to delete this and any associated files immediately.
 * Further information on DTVKit, membership and terms can be found at www.dtvkit.org
 *******************************************************************************/
/*---includes for this file--------------------------------------------------*/
#include <stdio.h>
#include "vpa1_sys.h"
#include "vpa1_tgs.h"
#include "fpa1_syn.h"
#include "asn1_sys.h"

#include "mh5base.h"
#include "mh5root.h"
#include "mh5interactible.h"
#include "asn1_createExtras.h"
#include "asn1_createInteractible.h"

/*---constant definitions for this file--------------------------------------*/


/*---local typedef structs for this file-------------------------------------*/

/*---local (static) variable declarations for this file----------------------*/

/*---local function definitions----------------------------------------------*/

/*---global function definitions---------------------------------------------*/

asnErr asn1_decodeInteractible(fpa1_syntaxList *listPtr,
   MHEG5Interactible *interactible)
{
   asnErr errVal = 0;
   fpa1_syntaxList *currItem;

   DPL5((">> asn1_decodeInteractible(%X,%X)\n", listPtr, interactible));

   assert(interactible);
   if (listPtr == NULL)
   {
      DPL5(("<< asn1_decodeInteractible() Returned early\n"));
      return 1;
   }

   currItem = listPtr->children;

   /* defaults */
   interactible->engineResp = MHEG5TRUE;

   /* searches current set of tags for local tags */
   while (currItem != NULL)
   {
      /* most objects will have more than one local tag */
      switch (currItem->tag)
      {
         case ENGRESP:
            interactible->engineResp = (currItem->data.boolData == 0) ? MHEG5FALSE : MHEG5TRUE;
            break;
         case HIGHREFCOL:
            errVal |= asn1_decodeColour(currItem, &interactible->highlightRefColour);
            break;
         default:
            break;
      }
      currItem = currItem->next;
   }

#if (DPLEVEL >= 2)
   if (errVal != 0)
   {
      DPL2(("WARNING:[ASN.1] asn1_decodeInteractible() Returns errVal = %d\n", errVal));
   }
#endif /* DPLEVEL >= 2 */

   DPL5(("<< asn1_decodeInteractible() Returns %d\n", errVal));

   return errVal;
}