asn1_createTokenManager.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 "mh5tokenmanager.h"
#include "asn1_createExtras.h"
#include "asn1_createTokenManager.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---------------------------------------------*/

static asnErr asn1_decodeMovementTable(fpa1_syntaxList *listPtr, MHEG5TokenManager *tokenMgr)
{
   asnErr errVal = 0;
   fpa1_syntaxList *currItem;

   DPL5((">> asn1_decodeMovementTable(%X,%X)\n", listPtr, tokenMgr));
   assert(tokenMgr);
   if (listPtr == NULL)
   {
      DPL5(("<< asn1_decodeMovementTable() Returned early\n"));
      return 1;
   }

   currItem = listPtr;

   /* Skip past the expected 'sequence' tag */
   currItem = currItem->children;

   while (currItem != NULL)
   {
      if (currItem->tag == INTEGER)
      {
         MHEG5tokenManagerAddNumber(tokenMgr, currItem->data.intData );
      }
      else
      {
         DPL2(("WARNING:[ASN.1] Unexpected tag in movementTable\n"));
         errVal |= 0x01;
      }
      currItem = currItem->next;
   }

#if (DPLEVEL >= 2)
   if (errVal != 0)
   {
      DPL2(("WARNING:[ASN.1] asn1_decodeMovementTable() returns errVal = %d\n", errVal));
   }
#endif /* DPLEVEL >= 2 */

   DPL5(("<< asn1_decodeMovementTable() Returns %d\n", errVal));
   return errVal;
}

asnErr asn1_decodeTokenManager(fpa1_syntaxList *listPtr, MHEG5TokenManager *tokenMgr)
{
   asnErr errVal = 0;
   fpa1_syntaxList *currItem;
   fpa1_syntaxList *tmpItem;

   DPL5((">> asn1_decodeTokenManager(%X,%X)\n", listPtr, tokenMgr));

   assert(tokenMgr);
   if (listPtr == NULL)
   {
      DPL5(("<< asn1_decodeTokenManager() Returned early\n"));
      return 1;
   }

   currItem = listPtr->children;

   /* searches current set of tags for local tags */
   while (currItem != NULL)
   {
      if (currItem->tag == MOVEMENTTABLE)
      {
         tmpItem = currItem->children;
         while (tmpItem != NULL)
         {
            if (tmpItem->tag == SEQ_SIZE_OF_INTEGER)
            {
               MHEG5tokenManagerAddRow(tokenMgr);
               errVal |= asn1_decodeMovementTable(tmpItem, tokenMgr);
               tmpItem = tmpItem->next;
            }
         }
      }
      currItem = currItem->next;
   }

#if (DPLEVEL >= 2)
   if (errVal != 0)
   {
      DPL2(("WARNING:[ASN.1] asn1_decodeTokenManager() returns errVal = %d\n", errVal));
   }
#endif /* DPLEVEL >= 2 */

   DPL5(("<< asn1_decodeTokenManager() Returns %d\n", errVal));

   return errVal;
}