mh5rtgraphics.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 <string.h>

#include "mh5base.h"
#include "mh5profile.h"
#include "mh5debug.h"
#include "mh5object.h"
#include "mh5rtgraphics.h"
#include "mh5application.h"
#include "mh5memory.h"          /* for constructor/destructor */
#include "mh5display.h"
#include "mh5dispBttnRT.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---------------------------------------------*/

#ifndef MHEG5PROFILE_UK1_06

/*
   Debug
 */
#ifdef MH5PRINTOUT

void MHEG5rtgraphicsPrint(MHEG5RTGraphics *rtgraphics, char *out)
{
   MHEG5visiblePrint(&rtgraphics->visible, out);

   /* Exchanged Attributes */
   MHEG5indent(out);
   MHEG_PRINT(out, ":TerminationFreeze ");
   MHEG5boolPrint(rtgraphics->terminationFreeze, out);
   MHEG5newLine(out);

   MHEG5indent(out);
   MHEG_PRINT(out, ":ComponentTag ");
   MHEG5intPrint(rtgraphics->componentTag, out);
   MHEG5newLine(out);
}

#endif  /* #ifdef MH5PRINTOUT */

void MHEG5rtgraphicsInit(MHEG5RTGraphics *rtgraphics)
{
   assert(rtgraphics);

   MHEG5visibleInit(&rtgraphics->visible);
}

void MHEG5rtgraphicsFree(MHEG5RTGraphics *rtgraphics)
{
   assert(rtgraphics);

   MHEG5visibleFree(&rtgraphics->visible);
}

/*
     40.3 Internal behaviours
     This class defines no additional internal behaviours.
 */

void MHEG5rtgraphicsPrepare(MHEG5RTGraphics *rtgraphics)
{
   assert(rtgraphics);
   MHEG5visiblePrepare(&rtgraphics->visible);
}

void MHEG5rtgraphicsActivate(MHEG5RTGraphics *rtgraphics)
{
   assert(rtgraphics);

   if (!rtgraphics->visible.ingredient.root.runningStatus)
   {
      if (!rtgraphics->visible.ingredient.root.availabilityStatus)
      {
         MHEG5rtgraphicsPrepare( rtgraphics );
      }

      /* If the parent stream is running, start presenting the subtitles */
      if (rtgraphics->parent->ingredient.root.runningStatus)
      {
         MHEG5displayRtgraphicsPlay(rtgraphics);
      }
      /* Invoke base class behaviour */
      MHEG5visibleActivate(&rtgraphics->visible);
   }
}

void MHEG5rtgraphicsDeactivate(MHEG5RTGraphics *rtgraphics)
{
   assert(rtgraphics);

   if (rtgraphics->visible.ingredient.root.runningStatus)
   {
      /* Invoke base class behaviour */
      MHEG5visibleDeactivate(&rtgraphics->visible);

      if ((MHEG5getCurrentApplication() == 0) ||
          (MHEG5getCurrentApplication()->streamContinuanceFlag == MHEG5FALSE))
      {
         /* Stop the RTGraphics decoder */
         MHEG5displayRtgraphicsStop();
      }
   }
}

void MHEG5rtgraphicsDestruct(MHEG5RTGraphics *rtgraphics)
{
   assert(rtgraphics);
   MHEG5visibleDestruct(&rtgraphics->visible);
}

#endif