fbm_sw.h

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  FBM_PICTURE           next_displayed_picture_for_freeze;
  FBM_PICTURE           next_recov_picture_for_freeze;
  FBM_PICTURE           picture_found_for_freeze;


  FBM_GOP               gop;
  FBM_VS                Vs;
  FBM_VS                next_Vs;
   
   unsigned long        frame_store_y_odd_add[FRAME_STORE_NB_MAX];
   unsigned long        frame_store_y_even_add[FRAME_STORE_NB_MAX];
   unsigned long        frame_store_c_odd_add[FRAME_STORE_NB_MAX];
   unsigned long        frame_store_c_even_add[FRAME_STORE_NB_MAX];

   /* Variable for feedback */
   FBM_STATE            fbm_state;
  
   /* Variable for memory ressources */
   

} FBM_PARAM;
#define FBM_STATUS FBM_PARAM

/* New type for Osal messages */
typedef unsigned long FBM_MSG[4];

/*EMP=======================================================================*/

/*==========================================================================*/
/*        G L O B A L   F U N C T I O N   P R O T O T Y P E S               */
/*==========================================================================*/

/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_supervisor	

    DESCRIPTION:
       

    RETURNS:


    CALLING SEQUENCE:
*/
extern int
MV_FBM_supervisor(
ULONG         msg_buf[4],
FBM_STATUS*   in_fbm_status_ptr
);
/*EMP=======================================================================*/

/*EMPF======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_synchro_VS	

    DESCRIPTION:
       

    RETURNS:


    CALLING SEQUENCE:
*/
extern int
MV_FBM_synchro_VS(
ULONG         msg_buf[4],
FBM_STATUS*   p 
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_is_next_picture_new_frame	

    DESCRIPTION: Check whether the next picture is new frame

    RETURNS:
        MV_FBM_OK

    CALLING SEQUENCE:
*/
extern int MV_FBM_is_next_picture_new_frame (
const FBM_STATUS *in_fbm_status_ptr,
      BOOLEAN    *ou_next_picture_is_new_frame_ptr
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_play_dec_algo	

    DESCRIPTION:
         

    RETURNS:
        MV_FBM_OK
	MV_FBM_NOT_OK

    CALLING SEQUENCE:
*/
extern int
MV_FBM_play_dec_algo(
      FBM_PICTURE         *io_next_picture_ptr,
      FBM_PICTURE         *ou_next_past_picture_ptr,
      FBM_PICTURE         *ou_next_future_picture_ptr,
      BOOLEAN             *ou_decode_picture_ptr,
      BOOLEAN             *ou_discard_picture_ptr,
const BOOLEAN              in_next_picture_is_new_frame,
const FBM_PICTURE         *in_cur_picture_ptr,
const FBM_PICTURE         *in_cur_past_picture_ptr,
const FBM_PICTURE         *in_cur_future_picture_ptr,
const BOOLEAN              in_gop_found,
const FBM_GOP             *in_gop_ptr,
const BOOLEAN              in_dec_to_disp_N1,
const MV_FBM_FRAME_STORE   in_forbidden_frame_store,
      BOOLEAN             *io_I_or_GI_P_found_after_trick_mode_broken_link_ptr,
      BOOLEAN             *io_trick_mode_broken_link_ptr,
      BOOLEAN             *io_decode_P_possible_ptr,
      BOOLEAN             *io_decode_B_possible_ptr,
      MV_TAB_LABEL       *io_last_tab_label_used_ptr,
      UCHAR               *io_toggle_24hz_ptr,
      UCHAR               *io_top_field_first_24hz_ptr
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_update_pic_info	

    DESCRIPTION: read information about next picture from the bitstream

    RETURNS:
        MV_FBM_OK

    CALLING SEQUENCE:
*/
extern int
MV_FBM_update_pic_info(
FBM_PICTURE * in_picture_ptr
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_sw_update_gop_info	

    DESCRIPTION: read information about gop from the bitstream

    RETURNS:
        MV_FBM_OK

    CALLING SEQUENCE:
*/
extern int
MV_FBM_update_gop_info(
FBM_GOP * in_gop_ptr
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_pip_store_seq_gop_hdr

    DESCRIPTION: store SEQUENCE + GOP headers in PIP mode

    RETURNS:
        MV_FBM_OK

    CALLING SEQUENCE:
*/
int
MV_FBM_pip_store_seq_gop_hdr(
void
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_pip_store_pict_hdr	

    DESCRIPTION: store last PICTURE header in PIP mode

    RETURNS:
        MV_FBM_OK

    CALLING SEQUENCE:
*/
int
MV_FBM_pip_store_pict_hdr(
void
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_flag_trick_mode_broken_link	

    DESCRIPTION: read information about gop from the bitstream

    RETURNS:
        MV_FBM_OK

    CALLING SEQUENCE:
*/
extern int
MV_FBM_flag_trick_mode_broken_link(
BOOLEAN *ou_trick_mode_broken_link_ptr,
BOOLEAN *ou_I_or_GI_P_found_after_trick_mode_broken_link_ptr
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_24_to_60	

    DESCRIPTION: set the repeat first field and top field first parameters
                 to force 3:2 pulldown

    RETURNS:
        MV_FBM_OK

    CALLING SEQUENCE:
*/
extern int
MV_FBM_24_to_60(
FBM_PICTURE *io_next_picture_ptr,
UCHAR       *io_toggle_24hz_ptr,
UCHAR       *io_top_field_first_24hz_ptr,
FBM_PICTURE *ou_next_past_picture_ptr
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_check	

    DESCRIPTION: Performs the 'check' algorithm

    RETURNS:
        MV_FBM_OK

    CALLING SEQUENCE:
*/
extern int
MV_FBM_check(
const FBM_PICTURE *in_displayed_picture_ptr,
const FBM_PICTURE *in_decoded_picture_ptr,
const BOOLEAN      in_display_started
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_dealloc_after_display	

    DESCRIPTION: programs the deallocation after display permission

    RETURNS:
        MV_FBM_OK

    CALLING SEQUENCE:
*/
extern int
MV_FBM_dealloc_after_display(
const BOOLEAN in_field_top_still_to_display_flag,
const BOOLEAN in_field_bot_still_to_display_flag,
const BOOLEAN in_progressive_filter,
const DISP_IN_FIELD_MODE in_displayed_field,
BOOLEAN * ou_field_top_data_deallocated_after_display_ptr,
BOOLEAN * ou_field_bot_data_deallocated_after_display_ptr
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_forced_dealloc	

    DESCRIPTION: performs forced buffer deallocation after a field has been displayed

    RETURNS:
        MV_FBM_OK

    CALLING SEQUENCE:
*/
extern int
MV_FBM_forced_dealloc(
const FBM_PICTURE *in_previous_displayed_picture_ptr,
const FBM_PICTURE *in_cur_displayed_picture_ptr
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_discard_IP	

    DESCRIPTION: discard IP picture

    RETURNS:
        MV_FBM_OK

    CALLING SEQUENCE:
*/
extern int
MV_FBM_discard_IP(
FBM_STATUS *in_fbm_status_ptr
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_discard_B	

    DESCRIPTION: discard B picture

    RETURNS:
        MV_FBM_OK

    CALLING SEQUENCE:
*/
extern int
MV_FBM_discard_B(
FBM_STATUS *in_fbm_status_ptr
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_discard_D	

    DESCRIPTION: discard D picture (this picture D99 is used after a HW reset
    in order to restart as soon as possible

    RETURNS:
        MV_FBM_OK

    CALLING SEQUENCE:
*/
int
MV_FBM_discard_D(
FBM_STATUS *in_fbm_status_ptr
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_reset_and_restart_hw

    DESCRIPTION: Reset all the video decoder HW, then start on the nest
    sequence

    RETURNS: MV_FBM_OK

    CALLING SEQUENCE:
*/
int
MV_FBM_reset_and_restart_hw(
void
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_sw_reset

    DESCRIPTION: Reset all the video decoder HW when a software reset is
    requested

    RETURNS: MV_FBM_OK

    CALLING SEQUENCE:
*/
int
MV_FBM_sw_reset(
void
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_handle_recov_mode	

    DESCRIPTION:
        Log info about 

    RETURNS:
        MV_FBM_OK
	MV_FBM_NOT_OK

    CALLING SEQUENCE:
*/
extern int
MV_FBM_handle_disp_recov_mode(
const FBM_PICTURE *in_cur_future_picture_ptr, 
const FBM_PICTURE *in_cur_past_picture_ptr, 
const FBM_PICTURE *in_cur_displayed_picture_ptr,
      FBM_PICTURE *ou_next_displayed_picture_ptr,
      FBM_PICTURE *ou_next_recov_picture_ptr
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_toggle_field

    DESCRIPTION: 
       

    RETURNS:


    CALLING SEQUENCE:
*/
extern int
MV_FBM_toggle_fields(
const FBM_PICTURE *in_cur_displayed_picture_ptr,
      FBM_PICTURE *ou_next_displayed_picture_ptr
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_compare_pictures

    DESCRIPTION: compare 2 pictures
       

    RETURNS:


    CALLING SEQUENCE:
*/
extern int
MV_FBM_compare_pictures(
const FBM_PICTURE *in_picture1_ptr,
const FBM_PICTURE *in_picture2_ptr,
      BOOLEAN     *ou_same_picture_ptr
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/
/*
    FUNCTION NAME: MV_FBM_set_next_Vs

    DESCRIPTION: Sets next Vs
       

    RETURNS:


    CALLING SEQUENCE:
*/
extern int
MV_FBM_set_next_Vs(
const BOOLEAN                in_picture_controlled_mode,
const BOOLEAN                in_decode_next_picture_request,
const FBM_VS                 in_cur_Vs,
const BOOLEAN                in_decoding_launched,
const MV_PICTURE_STRUCTURE  in_decoded_picture_structure,
const MV_BIT                in_next_displayed_picture_repeat_first_field,
      FBM_VS                *ou_next_Vs       
);
/*EMP=======================================================================*/
/*MPF=======================================================================*/