fbm_api.c

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         default:
            DV_DBG_STORE_EVENT(IPVD_DBG_EV_TMOSAL_ERROR,
                               IPVD_DBG_MAJOR_BEHAVIOR_LEVEL,
                               IPVD_QUEUE_SEND, returnVal, lv_msg[0], 0); // Log the error
            break;

      } /* End switch */
   }
#  else 
   MV_FBM_task_release_resources();
#  endif /* FBM_IN_ISR_ONLY */
  
   return(MV_FBM_OK);

} /* End MV_FBM_release_resources() */

/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_task_release_resources	

    DESCRIPTION:
    FBM task deletes its message queues then commit suicide
        
    RETURNS:
        MV_FBM_OK
	MV_FBM_NOT_OK

    CALLING SEQUENCE:
*/
extern int
MV_FBM_task_release_resources(
void
)
/*EMP=======================================================================*/
{   
   tmErrorCode_t lv_return_value;

   /****************-----------------------------------------------!*********
    ****************!      Variable declarations                    !*********
   ****************!-----------------------------------------------*********/


   /****************-----------------------------------------------!*********
   ****************!      Execution				  !*********
   ****************!------------------------------------------------********/
   
   /* Delete FBM message queue */
   lv_return_value = tmosalQueueDestroy(GV_fbm_qid);

   if (lv_return_value != TM_OK)
   {
      DV_DBG_STORE_EVENT(IPVD_DBG_EV_TMOSAL_ERROR,
                         IPVD_DBG_MAJOR_BEHAVIOR_LEVEL,
                         IPVD_QUEUE_DESTROY, lv_return_value, 0, 0); // Log the error
   }

   /* If FBM uses task, commit suicide */

#  ifndef FBM_IN_ISR_ONLY

   /* Return pREPC resources */
   fclose(0);

   /* Commit suicide */
   tmosalTaskExit();
   
#  endif
  
   return(MV_FBM_OK);

} /* End MV_FBM_task_release_resources() */

/*MPF=======================================================================*/
/*  
    FUNCTION NAME:     MV_FBM_set_defaults

    PACKAGE:           MV_FBM

    SCOPE:             PLATFORM

    DESCRIPTION:
    Sets the video decoder package to default settings.
    The status variable as reset to init value.

    CALLING SEQUENCE:
*/
extern void
MV_FBM_set_defaults(    
void
)
/*EMP=======================================================================*/
{
                                     
   /* Enable fbm_event interrupts */

   /*----------------------------------*/
   /* Abort decoding related events    */
   /*----------------------------------*/

   /* Enable 'Branch' event to create an interrupt */
   /* Enable 'Abort_decoding_failed' event to create an interrupt */
   /* Enable 'Abort_decoding_coef' event to create an interrupt */
   /* Enable 'Abort_decoding_slice' event to create an interrupt */  
   /* Enable 'Buffer full' event to create an interrupt */
   MV_drv_set_fbm_event_enable(MV_FBM_EVENT_ALL_EVENTS);

   
   /* Enable fbm_error interrupts */
   MV_drv_set_error_event_enable(MV_ERROR_EVENT_ALL_EVENTS);


   LV_fbm_status_ptr->waiting_for_sync                         = FALSE;
   LV_fbm_status_ptr->video_in_sync                            = FALSE;
   LV_fbm_status_ptr->waiting_for_eopd                         = FALSE;
   LV_fbm_status_ptr->picture_under_decoding                   = FALSE;
   LV_fbm_status_ptr->picture_under_display                    = FALSE;
   LV_fbm_status_ptr->display_started                          = FALSE;

   LV_fbm_status_ptr->last_tab_label_used                      = MV_TAB_LABEL_ONE;

   LV_fbm_status_ptr->next_picture.info_valid                  = FALSE;
   LV_fbm_status_ptr->cur_picture.info_valid                   = FALSE;

   LV_fbm_status_ptr->next_future_picture.info_valid           = FALSE;
   LV_fbm_status_ptr->cur_future_picture.info_valid            = FALSE;

   LV_fbm_status_ptr->next_past_picture.info_valid             = FALSE;
   LV_fbm_status_ptr->cur_past_picture.info_valid              = FALSE;

   LV_fbm_status_ptr->next_displayed_picture.info_valid        = FALSE;
   LV_fbm_status_ptr->cur_displayed_picture.info_valid         = FALSE;
   LV_fbm_status_ptr->previous_displayed_picture.info_valid    = FALSE;

   LV_fbm_status_ptr->next_recov_picture.info_valid            = FALSE;
   LV_fbm_status_ptr->cur_recov_picture.info_valid             = FALSE;

   LV_fbm_status_ptr->next_picture.new_frame                   = FALSE;
   LV_fbm_status_ptr->cur_past_picture.frame_store             = FS1;
   LV_fbm_status_ptr->cur_future_picture.frame_store           = FS1;

   LV_fbm_status_ptr->decode_P_possible                        = FALSE;
   LV_fbm_status_ptr->decode_B_possible                        = FALSE;

   LV_fbm_status_ptr->Vs                                       = VS_DECODE;
   LV_fbm_status_ptr->next_Vs                                  = VS_DECODE;

   LV_fbm_status_ptr->picture_number                           = 1;
   LV_fbm_status_ptr->change_channel_requested                 = FALSE;
   LV_fbm_status_ptr->soft_reset_requested                     = FALSE;
	  
   LV_fbm_status_ptr->trick_mode_broken_link                   = TRUE;
   LV_fbm_status_ptr->I_or_GI_P_found_after_trick_mode_broken_link     = FALSE;

   LV_fbm_status_ptr->decode_as_soon_as_in_sync                = FALSE;

   LV_fbm_status_ptr->toggle_24hz                              = 0;
   LV_fbm_status_ptr->top_field_first_24hz                     = 0;

   LV_fbm_status_ptr->low_delay_display_programmed             = FALSE;

   /* PR903 : 50 -> 60Hz conversion */
   LV_fbm_status_ptr->prepare_2vs_frozen                       = FALSE;
   LV_fbm_status_ptr->next_B_picture_frozen_2vs                = FALSE;
   LV_fbm_status_ptr->run_normal_vs_algoritm                   = TRUE;
   LV_fbm_status_ptr->vs_counter                               = 0;

   LV_fbm_status_ptr->step_status                              = MV_DEC_STEP_MODE_NONE;
   LV_fbm_status_ptr->step_picture_structure_mode              = MV_PICTURE_STRUCTURE_FRAME_PICTURE;
   LV_fbm_status_ptr->step_required                            = FALSE;
   LV_fbm_status_ptr->scan_status                              = MV_DEC_SCAN_MODE_NONE;
   LV_fbm_status_ptr->freeze_mode_requested                    = MV_DEC_FREEZE_MODE_NONE;
   LV_fbm_status_ptr->freeze_status                            = MV_DEC_FREEZE_MODE_NONE;
   LV_fbm_status_ptr->picture_found_for_freeze_flag            = FALSE;

   LV_fbm_status_ptr->pip_decoding_requested                   = FALSE;

   LV_fbm_status_ptr->pip_decoding_launched                    = FALSE;

   LV_fbm_status_ptr->pip_decoding_programmed                  = FALSE;

   LV_fbm_status_ptr->pip_waiting_for_eopd                     = FALSE;

   LV_fbm_status_ptr->pip_waiting_for_in_sync                  = FALSE;

   LV_fbm_status_ptr->pip_eoph_for_video_fifo_switch_back_occured = FALSE;

   LV_fbm_status_ptr->pip_decoding_terminated                  = FALSE;

   LV_fbm_status_ptr->pip_ready_to_be_displayed                = FALSE;

   LV_fbm_status_ptr->pip_discard_B_main_fifo                  = FALSE;

   LV_fbm_status_ptr->dec_picture_controlled                   = FALSE;

   LV_fbm_status_ptr->start_decoding_before_in_sync_processed  = FALSE;

   LV_fbm_status_ptr->fbm_state                                = FBM_STATE_DEC_STOPPED;
   
} /* End of MV_FBM_set_defaults */

/*MPF=======================================================================*/
/*  
    FUNCTION NAME:     MV_FBM_decode_pip

    PACKAGE:           MV_FBM

    SCOPE:             PLATFORM

    DESCRIPTION:
    Program decode PIP to FBM


    CALLING SEQUENCE:
*/
extern int                              /* Returns: <description> */
MV_FBM_decode_pip(    
unsigned long in_still_pict_y_odd_addr,
unsigned long in_still_pict_y_even_addr,
unsigned long in_still_pict_c_odd_addr,
unsigned long in_still_pict_c_even_addr
)
/*EMP=======================================================================*/
{
   Int32            lv_timeout = MV_CFG_QUEUE_TIMEOUT;
   tmErrorCode_t returnVal;

   /****************-----------------------------------------------!*********
   ****************!      Variable declarations                    !*********
   ****************!-----------------------------------------------*********/

   /* Declaration for sending messages */

   FBM_QUEUE_MSG    msg;

   /****************-----------------------------------------------!*********
   ****************!      Execution				  !*********
   ****************!------------------------------------------------********/

   LV_fbm_status_ptr->frame_store_y_odd_add[FRAME_STORE_FOR_DECODE_PICTURE_IN_PICTURE_FCT] =
      (unsigned long)(in_still_pict_y_odd_addr - GV_MV_INP_status.SDRAM_base_addr);
   LV_fbm_status_ptr->frame_store_y_even_add[FRAME_STORE_FOR_DECODE_PICTURE_IN_PICTURE_FCT] =
      (unsigned long)(in_still_pict_y_even_addr - GV_MV_INP_status.SDRAM_base_addr);
   LV_fbm_status_ptr->frame_store_c_odd_add[FRAME_STORE_FOR_DECODE_PICTURE_IN_PICTURE_FCT] =
      (unsigned long)(in_still_pict_c_odd_addr - GV_MV_INP_status.SDRAM_base_addr);
   LV_fbm_status_ptr->frame_store_c_even_add[FRAME_STORE_FOR_DECODE_PICTURE_IN_PICTURE_FCT] =
      (unsigned long)(in_still_pict_c_even_addr - GV_MV_INP_status.SDRAM_base_addr);

   msg[0] = FBM_MSG_DECODE_PIP;
  
   returnVal = tmosalQueueSend(GV_fbm_qid, msg, sizeof(FBM_QUEUE_MSG), &lv_timeout, tmosalQueueSendFlagNone);

   if (returnVal != TM_OK)
   {
      switch (returnVal)
      {
         case TMOSAL_ERR_QUE_TIMEOUT:
            DV_DBG_STORE_EVENT(IPVD_DBG_EV_TIMEOUT, IPVD_DBG_QUEUE_TIMEOUT_LEVEL,1, 0,0,0);
            break;

         default:
            DV_DBG_STORE_EVENT(IPVD_DBG_EV_TMOSAL_ERROR,
                               IPVD_DBG_MAJOR_BEHAVIOR_LEVEL,
                               IPVD_QUEUE_SEND, returnVal, msg[0], 0); // Log the error
            break;

      } /* End switch */
   }
   
   return(MV_FBM_OK);   
                                   
} /* End of MV_FBM_decode_pip */

/*MPF=======================================================================*/
/*  
    FUNCTION NAME:     MV_FBM_step

    PACKAGE:           MV_FBM

    SCOPE:             

    DESCRIPTION:
    Program step command to FBM 


    CALLING SEQUENCE:
*/
int                              /* Returns: <description> */
MV_FBM_step(    
MV_DEC_STEP_MODE in_step_mode
)
/*EMP=======================================================================*/
{
   Int32            lv_timeout = MV_CFG_QUEUE_TIMEOUT;
   tmErrorCode_t returnVal;

   /****************-----------------------------------------------!*********
   ****************!      Variable declarations                    !*********
   ****************!-----------------------------------------------*********/

   /* Declaration for sending messages */

   FBM_QUEUE_MSG    msg;
   
   /****************-----------------------------------------------!*********
   ****************!      Execution				  !*********
   ****************!------------------------------------------------********/

   msg[0] = FBM_MSG_STEP;

   switch(in_step_mode)
   {
      case MV_DEC_STEP_MODE_I:
         msg[1] = MV_DEC_STEP_MODE_I;
         break;
      case MV_DEC_STEP_MODE_IP:
         msg[1] = MV_DEC_STEP_MODE_IP;
         break;
      case MV_DEC_STEP_MODE_NONE:
         msg[1] = MV_DEC_STEP_MODE_NONE;
         break;
      default:
         msg[1] = MV_DEC_STEP_MODE_NONE;
         break;
   }
  
   returnVal = tmosalQueueSend(GV_fbm_qid, msg, sizeof(FBM_QUEUE_MSG), &lv_timeout, tmosalQueueSendFlagNone);

   if (returnVal != TM_OK)
   {
      switch (returnVal)
      {
         case TMOSAL_ERR_QUE_TIMEOUT:
            DV_DBG_STORE_EVENT(IPVD_DBG_EV_TIMEOUT, IPVD_DBG_QUEUE_TIMEOUT_LEVEL,1, 0,0,0);
            break;

         default:
            DV_DBG_STORE_EVENT(IPVD_DBG_EV_TMOSAL_ERROR,
                               IPVD_DBG_MAJOR_BEHAVIOR_LEVEL,
                               IPVD_QUEUE_SEND, returnVal, msg[0], 0); // Log the error
            break;

      } /* End switch */
   }
   
   return(MV_FBM_OK);
   
} /* End of MV_FBM_step */

/*==========================================================================*/
/*       L O C A L  F U N C T I O N S                                       */ 
/*==========================================================================*/
#ifndef FBM_IN_ISR_ONLY
/*LPF=======================================================================*/
/*
    FUNCTION NAME: LF_FBM_task	

    DESCRIPTION: FBM task 
        
    RETURNS:
        MV_FBM_OK
	MV_FBM_NOT_OK

    CALLING SEQUENCE:
*/
static void
LF_FBM_task(void)
/*EMP=======================================================================*/
{

   /****************-----------------------------------------------!*********
   ****************!      Variable declarations                    !*********
   ****************!-----------------------------------------------*********/

   FBM_QUEUE_MSG                    msg;
   UInt32       size;
   Int32        timeout = 0;
   
   while(1)
   {
      tmErrorCode_t lv_return_value;

      lv_return_value = tmosalQueueReceive(GV_fbm_qid, msg, &size, &timeout, tmosalQueueReceiveFlagNone);

      if(lv_return_value == TM_OK )
         /* there is a message in the queue */
      {
      MV_FBM_supervisor(msg,LV_fbm_status_ptr);	
      }
      else
      {
         DV_DBG_STORE_EVENT(IPVD_DBG_EV_TMOSAL_ERROR,
                            IPVD_DBG_MAJOR_BEHAVIOR_LEVEL,
                            IPVD_QUEUE_RECEIVE, lv_return_value, msg, 0); // Log the error