/******************************************************************************
|
*
|
* Copyright (C) 2018 The Android Open Source Project
|
*
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
* you may not use this file except in compliance with the License.
|
* You may obtain a copy of the License at:
|
*
|
* http://www.apache.org/licenses/LICENSE-2.0
|
*
|
* Unless required by applicable law or agreed to in writing, software
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
* See the License for the specific language governing permissions and
|
* limitations under the License.
|
*
|
*****************************************************************************
|
* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
|
*/
|
|
/**
|
******************************************************************************
|
* @file ihevce_nbr_avail.c
|
*
|
* @brief
|
* This file contains function definitions and look up tables for various
|
* neigbour avail flags in HEVC encoder
|
*
|
* @author
|
* Ittiam
|
*
|
* List of Functions
|
* <TODO: TO BE ADDED>
|
*
|
******************************************************************************
|
*/
|
|
/*****************************************************************************/
|
/* File Includes */
|
/*****************************************************************************/
|
/* System include files */
|
#include <stdio.h>
|
#include <string.h>
|
#include <stdlib.h>
|
#include <assert.h>
|
#include <stdarg.h>
|
#include <math.h>
|
|
/* User include files */
|
#include "ihevc_typedefs.h"
|
#include "itt_video_api.h"
|
#include "ihevce_api.h"
|
|
#include "rc_cntrl_param.h"
|
#include "rc_frame_info_collector.h"
|
#include "rc_look_ahead_params.h"
|
|
#include "ihevc_defs.h"
|
#include "ihevc_structs.h"
|
#include "ihevc_platform_macros.h"
|
#include "ihevc_deblk.h"
|
#include "ihevc_itrans_recon.h"
|
#include "ihevc_chroma_itrans_recon.h"
|
#include "ihevc_chroma_intra_pred.h"
|
#include "ihevc_intra_pred.h"
|
#include "ihevc_inter_pred.h"
|
#include "ihevc_mem_fns.h"
|
#include "ihevc_padding.h"
|
#include "ihevc_weighted_pred.h"
|
#include "ihevc_sao.h"
|
#include "ihevc_resi_trans.h"
|
#include "ihevc_quant_iquant_ssd.h"
|
#include "ihevc_cabac_tables.h"
|
|
#include "ihevce_defs.h"
|
#include "ihevce_lap_enc_structs.h"
|
#include "ihevce_multi_thrd_structs.h"
|
#include "ihevce_multi_thrd_funcs.h"
|
#include "ihevce_me_common_defs.h"
|
#include "ihevce_had_satd.h"
|
#include "ihevce_error_codes.h"
|
#include "ihevce_bitstream.h"
|
#include "ihevce_cabac.h"
|
#include "ihevce_rdoq_macros.h"
|
#include "ihevce_function_selector.h"
|
#include "ihevce_enc_structs.h"
|
#include "ihevce_nbr_avail.h"
|
|
/*****************************************************************************/
|
/* Function Definitions */
|
/*****************************************************************************/
|
|
/*!
|
******************************************************************************
|
* \if Function name : ihevce_set_ctb_nbr \endif
|
*
|
* \brief
|
* This function sets the neighbour availability flags of ctb based on the
|
* CTB position
|
*
|
* \date
|
* 18/09/2012
|
*
|
* \author
|
* Ittiam
|
*
|
* \return
|
* none
|
*
|
******************************************************************************
|
*/
|
void ihevce_set_ctb_nbr(
|
nbr_avail_flags_t *ps_nbr,
|
UWORD8 *pu1_nbr_map,
|
WORD32 nbr_map_strd,
|
WORD32 ctb_pos_x,
|
WORD32 ctb_pos_y,
|
frm_ctb_ctxt_t *ps_frm_ctb_prms)
|
{
|
WORD32 ctr;
|
WORD32 *pi4_cur_ctb_tile_id;
|
WORD32 i4_curr_ctb_tile_id, i4_top_ctb_tile_id;
|
WORD32 i4_left_ctb_tile_id, i4_right_ctb_tile_id;
|
|
WORD32 ctb_size = ps_frm_ctb_prms->i4_ctb_size;
|
WORD32 num_ctb_horz = ps_frm_ctb_prms->i4_num_ctbs_horz;
|
WORD32 num_ctb_vert = ps_frm_ctb_prms->i4_num_ctbs_vert;
|
WORD32 cu_aligned_pic_wd = ps_frm_ctb_prms->i4_cu_aligned_pic_wd;
|
WORD32 cu_aligned_pic_ht = ps_frm_ctb_prms->i4_cu_aligned_pic_ht;
|
UWORD8 *pu1_top_nbr_map = pu1_nbr_map - nbr_map_strd;
|
UWORD8 *pu1_left_nbr_map = pu1_nbr_map - 1;
|
UWORD8 *pu1_top_lt_nbr_map = pu1_top_nbr_map - 1;
|
UWORD8 *pu1_top_rt_nbr_map = pu1_top_nbr_map + (ctb_size >> 2);
|
WORD32 num_4x4_ctb_x = (ctb_size >> 2);
|
WORD32 num_4x4_ctb_y = (ctb_size >> 2);
|
|
/* Conditionally update num_4x4_ctb_x and num_4x4_ctb_y */
|
if(ctb_pos_y == (num_ctb_vert - 1))
|
{
|
num_4x4_ctb_y = (cu_aligned_pic_ht - ((num_ctb_vert - 1) * ctb_size)) / 4;
|
}
|
|
if(ctb_pos_x == (num_ctb_horz - 1))
|
{
|
num_4x4_ctb_x = (cu_aligned_pic_wd - ((num_ctb_horz - 1) * ctb_size)) / 4;
|
}
|
|
/* Get Tile-ids of top, left and current CTBs */
|
pi4_cur_ctb_tile_id = ps_frm_ctb_prms->pi4_tile_id_map +
|
ctb_pos_y * ps_frm_ctb_prms->i4_tile_id_ctb_map_stride + ctb_pos_x;
|
|
i4_curr_ctb_tile_id = *pi4_cur_ctb_tile_id;
|
i4_left_ctb_tile_id = *(pi4_cur_ctb_tile_id - 1);
|
i4_right_ctb_tile_id = *(pi4_cur_ctb_tile_id + 1);
|
i4_top_ctb_tile_id = *(pi4_cur_ctb_tile_id - ps_frm_ctb_prms->i4_tile_id_ctb_map_stride);
|
|
/*********** Update Nbr availability in ps_nbr **********/
|
|
ps_nbr->u1_left_avail = (i4_left_ctb_tile_id == i4_curr_ctb_tile_id);
|
ps_nbr->u1_top_avail = (i4_top_ctb_tile_id == i4_curr_ctb_tile_id);
|
ps_nbr->u1_top_lt_avail = (ps_nbr->u1_left_avail && ps_nbr->u1_top_avail);
|
ps_nbr->u1_top_rt_avail = ps_nbr->u1_top_avail && (i4_right_ctb_tile_id == i4_curr_ctb_tile_id);
|
ps_nbr->u1_bot_lt_avail = 0; /* at ctb level bottom left is always not available */
|
|
/*********** Update Nbr availability in pu1_nbr_map **********/
|
|
/* NOTE: entire Nbr availability map is by default set to 0 */
|
*pu1_top_lt_nbr_map = ps_nbr->u1_top_lt_avail; /* Top-Left*/
|
|
memset(pu1_top_nbr_map, ps_nbr->u1_top_avail, num_4x4_ctb_x); /* Top */
|
|
for(ctr = 0; ctr < num_4x4_ctb_y; ctr++) /* Left */
|
{
|
*pu1_left_nbr_map = ps_nbr->u1_left_avail;
|
pu1_left_nbr_map += nbr_map_strd;
|
}
|
|
if((num_ctb_horz - 2) == ctb_pos_x) /* Top-Right */
|
{
|
/* For the last but 1 ctb, if the last ctb is non-multiple of 64,
|
then set the map accordingly */
|
WORD32 last_ctb_x = cu_aligned_pic_wd - ((num_ctb_horz - 1) * ctb_size);
|
|
num_4x4_ctb_x = MIN(last_ctb_x, MAX_TU_SIZE) / 4;
|
memset(pu1_top_rt_nbr_map, ps_nbr->u1_top_rt_avail, num_4x4_ctb_x);
|
}
|
else
|
{
|
memset(pu1_top_rt_nbr_map, ps_nbr->u1_top_rt_avail, (MAX_TU_SIZE / 4));
|
}
|
|
return;
|
}
|
|
/*!
|
******************************************************************************
|
* \if Function name : ihevce_get_nbr_intra \endif
|
*
|
* \brief
|
* This function sets the neighbour availability flags of given unit
|
* based on the position and size
|
*
|
* \date
|
* 18/09/2012
|
*
|
* \author
|
* Ittiam
|
*
|
* \return
|
* none
|
*
|
******************************************************************************
|
*/
|
WORD32 ihevce_get_nbr_intra(
|
nbr_avail_flags_t *ps_cu_nbr,
|
UWORD8 *pu1_nbr_map,
|
WORD32 nbr_map_strd,
|
WORD32 unit_4x4_pos_x,
|
WORD32 unit_4x4_pos_y,
|
WORD32 unit_4x4_size)
|
{
|
WORD32 nbr_tem_flags = 0;
|
WORD32 i;
|
|
UWORD8 *pu1_bot_lt_map;
|
UWORD8 *pu1_top_rt_map;
|
UWORD8 *pu1_top_lt_map;
|
UWORD8 *pu1_left_map;
|
UWORD8 *pu1_top_map;
|
|
/* map is stored at 4x4 level increment to point to current cu 4x4 */
|
pu1_nbr_map += (unit_4x4_pos_x);
|
pu1_nbr_map += (unit_4x4_pos_y)*nbr_map_strd;
|
|
pu1_top_map = pu1_nbr_map - nbr_map_strd;
|
pu1_top_lt_map = pu1_top_map - 1;
|
pu1_left_map = (pu1_nbr_map - 1);
|
/* use map to get top right availablility */
|
pu1_top_rt_map = pu1_nbr_map - nbr_map_strd;
|
pu1_top_rt_map += unit_4x4_size;
|
|
/* use map to get bot left availablility */
|
pu1_bot_lt_map = pu1_nbr_map - 1;
|
pu1_bot_lt_map += unit_4x4_size * nbr_map_strd;
|
|
/* Top flag */
|
ps_cu_nbr->u1_top_avail = *pu1_top_map;
|
|
/* left flag */
|
ps_cu_nbr->u1_left_avail = *pu1_left_map;
|
|
/* top left flag */
|
ps_cu_nbr->u1_top_lt_avail = *pu1_top_lt_map;
|
|
/* top right flag */
|
ps_cu_nbr->u1_top_rt_avail = *pu1_top_rt_map;
|
|
/* bottom left flag */
|
ps_cu_nbr->u1_bot_lt_avail = (*pu1_bot_lt_map);
|
|
/* Update the neighbor availiblity flag according to the nbr_map */
|
nbr_tem_flags = 0;
|
|
for(i = 0; i < 4; i++)
|
{
|
nbr_tem_flags |= ((*pu1_bot_lt_map) << (3 - i));
|
pu1_bot_lt_map += (nbr_map_strd * 2);
|
}
|
|
for(i = 0; i < 4; i++)
|
{
|
nbr_tem_flags |= ((*pu1_left_map) << (7 - i));
|
pu1_left_map += (nbr_map_strd * 2);
|
}
|
for(i = 0; i < 4; i++)
|
{
|
nbr_tem_flags |= ((*pu1_top_map) << (i + 8));
|
pu1_top_map += 2;
|
}
|
for(i = 0; i < 4; i++)
|
{
|
nbr_tem_flags |= ((*pu1_top_rt_map) << (i + 12));
|
pu1_top_rt_map += 2;
|
}
|
nbr_tem_flags |= (*pu1_top_lt_map << 16);
|
|
return nbr_tem_flags;
|
}
|
|
/*!
|
******************************************************************************
|
* \if Function name : ihevce_get_nbr_intra_mxn_tu \endif
|
*
|
* \brief
|
* This function sets the neighbour availability flags of given unit
|
* based on the position and size
|
*
|
* \date
|
* 24/06/2014
|
*
|
* \author
|
* Ittiam
|
*
|
* \return
|
* none
|
*
|
******************************************************************************
|
*/
|
WORD32 ihevce_get_nbr_intra_mxn_tu(
|
UWORD8 *pu1_nbr_map,
|
WORD32 nbr_map_strd,
|
WORD32 unit_4x4_pos_x,
|
WORD32 unit_4x4_pos_y,
|
WORD32 unit_4x4_size_horz,
|
WORD32 unit_4x4_size_vert)
|
{
|
WORD32 nbr_tem_flags = 0;
|
WORD32 i;
|
|
UWORD8 *pu1_bot_lt_map;
|
UWORD8 *pu1_top_rt_map;
|
UWORD8 *pu1_top_lt_map;
|
UWORD8 *pu1_left_map;
|
UWORD8 *pu1_top_map;
|
|
/* map is stored at 4x4 level increment to point to current cu 4x4 */
|
pu1_nbr_map += (unit_4x4_pos_x);
|
pu1_nbr_map += (unit_4x4_pos_y)*nbr_map_strd;
|
|
pu1_top_map = pu1_nbr_map - nbr_map_strd;
|
pu1_top_lt_map = pu1_top_map - 1;
|
pu1_left_map = (pu1_nbr_map - 1);
|
/* use map to get top right availablility */
|
pu1_top_rt_map = pu1_nbr_map - nbr_map_strd;
|
pu1_top_rt_map += unit_4x4_size_horz;
|
|
/* use map to get bot left availablility */
|
pu1_bot_lt_map = pu1_nbr_map - 1;
|
pu1_bot_lt_map += unit_4x4_size_vert * nbr_map_strd;
|
|
/* Update the neighbor availiblity flag according to the nbr_map */
|
nbr_tem_flags = 0;
|
|
for(i = 0; i < 4; i++)
|
{
|
nbr_tem_flags |= ((*pu1_bot_lt_map) << (3 - i));
|
pu1_bot_lt_map += (nbr_map_strd * 2);
|
}
|
|
for(i = 0; i < 4; i++)
|
{
|
nbr_tem_flags |= ((*pu1_left_map) << (7 - i));
|
pu1_left_map += (nbr_map_strd * 2);
|
}
|
for(i = 0; i < 4; i++)
|
{
|
nbr_tem_flags |= ((*pu1_top_map) << (i + 8));
|
pu1_top_map += 2;
|
}
|
for(i = 0; i < 4; i++)
|
{
|
nbr_tem_flags |= ((*pu1_top_rt_map) << (i + 12));
|
pu1_top_rt_map += 2;
|
}
|
nbr_tem_flags |= (*pu1_top_lt_map << 16);
|
|
return nbr_tem_flags;
|
}
|
|
/*!
|
******************************************************************************
|
* \if Function name : ihevce_get_intra_chroma_tu_nbr \endif
|
*
|
* \brief
|
* This function sets the neighbour availability flags of a chroma
|
* subTU based on luma availability and chroma format
|
*
|
* \date
|
* 04/07/2014
|
*
|
* \author
|
* Ittiam
|
*
|
* \return
|
* none
|
*
|
******************************************************************************
|
*/
|
WORD32 ihevce_get_intra_chroma_tu_nbr(
|
WORD32 i4_luma_nbr_flags, WORD32 i4_subtu_idx, WORD32 i4_trans_size, UWORD8 u1_is_422)
|
{
|
/* TOP LEFT | TOP-RIGHT | TOP | LEFT | BOTTOM LEFT*/
|
/* (1 bit) (4 bits) (4 bits) (4 bits) (4 bits) */
|
/* With reference to the above bit arrangement - */
|
/* BL0 - Bit 3 */
|
/* BL1 - Bit 2 */
|
/* BL2 - Bit 1 */
|
/* BL3 - Bit 0 */
|
/* L0 - Bit 7 */
|
/* L1 - Bit 6 */
|
/* L2 - Bit 5 */
|
/* L3 - Bit 4 */
|
/* T0 - Bit 8 */
|
/* T1 - Bit 9 */
|
/* T2 - Bit 10 */
|
/* T3 - Bit 11 */
|
/* TR0 - Bit 12 */
|
/* TR1 - Bit 13 */
|
/* TR2 - Bit 14 */
|
/* TR3 - Bit 15 */
|
if(u1_is_422)
|
{
|
if(0 == i4_subtu_idx)
|
{
|
/* If left is available for luma, then */
|
if(i4_luma_nbr_flags & 0xf0)
|
{
|
switch(i4_trans_size)
|
{
|
case 4:
|
{
|
/* BL0 - 1 */
|
/* BL1-3 - Luma_BL0-2 */
|
/*i4_luma_nbr_flags |= (i4_luma_nbr_flags & 0xe) >> 1;*/
|
i4_luma_nbr_flags |= 0x8;
|
|
/* L0-1 - 11 */
|
/* L2-3 - Luma_L2-3 */
|
i4_luma_nbr_flags |= 0xc0;
|
|
break;
|
}
|
case 8:
|
{
|
/* BL0-1 - 11 */
|
/* BL1-3 - Luma_BL0-1 */
|
/*i4_luma_nbr_flags |= (i4_luma_nbr_flags & 0xc) >> 2;*/
|
i4_luma_nbr_flags |= 0xc;
|
|
/* L0-3 - 1111 */
|
i4_luma_nbr_flags |= 0xf0;
|
|
break;
|
}
|
case 16:
|
{
|
/* BL0-3 - 1111 */
|
i4_luma_nbr_flags |= 0xf;
|
|
/* L0-3 - 1111 */
|
i4_luma_nbr_flags |= 0xf0;
|
|
break;
|
}
|
}
|
}
|
}
|
else
|
{
|
/* Top right is always unavailable */
|
/* Top is always available */
|
|
i4_luma_nbr_flags &= (0xffff0fff);
|
|
/* Top left is marked as available if */
|
/* luma left is available */
|
if(i4_luma_nbr_flags & 0xf0)
|
{
|
i4_luma_nbr_flags |= (1 << 16);
|
}
|
|
switch(i4_trans_size)
|
{
|
case 4:
|
{
|
/* T0 - 1 */
|
/* T1-3 - 000 */
|
i4_luma_nbr_flags |= 0x100;
|
i4_luma_nbr_flags &= 0xfffff1ff;
|
|
if(i4_luma_nbr_flags & 0xf0)
|
{
|
i4_luma_nbr_flags |= 0x80;
|
}
|
|
if(i4_luma_nbr_flags & 0x8)
|
{
|
i4_luma_nbr_flags |= 0x8;
|
}
|
|
break;
|
}
|
case 8:
|
{
|
/* T0-1 - 11 */
|
/* T2-3 - 00 */
|
i4_luma_nbr_flags |= 0x300;
|
i4_luma_nbr_flags &= 0xfffff3ff;
|
|
if(i4_luma_nbr_flags & 0xf0)
|
{
|
i4_luma_nbr_flags |= 0xc0;
|
}
|
|
if((i4_luma_nbr_flags & 0xc) == 0x8)
|
{
|
i4_luma_nbr_flags |= 0xc;
|
}
|
else if((i4_luma_nbr_flags & 0xc) == 0xc)
|
{
|
i4_luma_nbr_flags |= 0xf;
|
}
|
else if((i4_luma_nbr_flags & 0xf) == 0xe)
|
{
|
i4_luma_nbr_flags |= 0xf;
|
}
|
|
break;
|
}
|
case 16:
|
{
|
/* T0-3 - 1111 */
|
i4_luma_nbr_flags |= 0xf00;
|
|
if(i4_luma_nbr_flags & 0xf0)
|
{
|
i4_luma_nbr_flags |= 0xf0;
|
}
|
|
if((i4_luma_nbr_flags & 0xf) == 0x8)
|
{
|
i4_luma_nbr_flags |= 0xc;
|
}
|
else if((i4_luma_nbr_flags & 0xf) == 0xc)
|
{
|
i4_luma_nbr_flags |= 0xf;
|
}
|
else if((i4_luma_nbr_flags & 0xf) == 0xe)
|
{
|
i4_luma_nbr_flags |= 0xf;
|
}
|
|
break;
|
}
|
}
|
}
|
}
|
|
return i4_luma_nbr_flags;
|
}
|
|
/*!
|
******************************************************************************
|
* \if Function name : ihevce_get_only_nbr_flag \endif
|
*
|
* \brief
|
* This function sets the neighbour availability flags of given unit
|
* based on the position, unit width and unit height
|
*
|
* \date
|
* 18/09/2012
|
*
|
* \author
|
* Ittiam
|
*
|
* \return
|
* none
|
*
|
******************************************************************************
|
*/
|
void ihevce_get_only_nbr_flag(
|
nbr_avail_flags_t *ps_cu_nbr,
|
UWORD8 *pu1_nbr_map,
|
WORD32 nbr_map_strd,
|
WORD32 unit_4x4_pos_x,
|
WORD32 unit_4x4_pos_y,
|
WORD32 unit_4x4_size_hz,
|
WORD32 unit_4x4_size_vt)
|
{
|
/* map is stored at 4x4 level increment to point to current cu 4x4 */
|
pu1_nbr_map += (unit_4x4_pos_x);
|
pu1_nbr_map += (unit_4x4_pos_y)*nbr_map_strd;
|
|
/* Top flag */
|
ps_cu_nbr->u1_top_avail = *(pu1_nbr_map - nbr_map_strd);
|
|
/* left flag */
|
ps_cu_nbr->u1_left_avail = *(pu1_nbr_map - 1);
|
|
/* top left flag */
|
ps_cu_nbr->u1_top_lt_avail = *(pu1_nbr_map - nbr_map_strd - 1);
|
|
/* top right flag */
|
{
|
UWORD8 *pu1_top_rt_map;
|
/* use map to get top right availablility */
|
pu1_top_rt_map = pu1_nbr_map - nbr_map_strd;
|
pu1_top_rt_map += unit_4x4_size_hz;
|
|
/* store the availbility */
|
ps_cu_nbr->u1_top_rt_avail = *pu1_top_rt_map;
|
}
|
|
/* bottom left flag */
|
{
|
UWORD8 *pu1_bot_lt_map;
|
|
/* use map to get bot left availablility */
|
pu1_bot_lt_map = pu1_nbr_map - 1;
|
pu1_bot_lt_map += unit_4x4_size_vt * nbr_map_strd;
|
|
/* store the availbility */
|
ps_cu_nbr->u1_bot_lt_avail = *pu1_bot_lt_map;
|
}
|
|
return;
|
}
|
|
/*!
|
******************************************************************************
|
* \if Function name : ihevce_set_nbr_map \endif
|
*
|
* \brief
|
* This function sets the neighbour availability flags of given value
|
* based on the position and size
|
*
|
* \date
|
* 18/09/2012
|
*
|
* \author
|
* Ittiam
|
*
|
* \return
|
* none
|
*
|
******************************************************************************
|
*/
|
void ihevce_set_nbr_map(
|
UWORD8 *pu1_nbr_map,
|
WORD32 nbr_map_strd,
|
WORD32 unit_4x4_pos_x,
|
WORD32 unit_4x4_pos_y,
|
WORD32 unit_4x4_size,
|
WORD32 val)
|
{
|
WORD32 i;
|
/* map is stored at 4x4 level increment to point to current cu 4x4 */
|
pu1_nbr_map += (unit_4x4_pos_x);
|
pu1_nbr_map += (unit_4x4_pos_y)*nbr_map_strd;
|
|
/* loops to set the flags for given size */
|
for(i = 0; i < unit_4x4_size; i++)
|
{
|
memset(pu1_nbr_map, val, sizeof(UWORD8) * unit_4x4_size);
|
/* row level updates */
|
pu1_nbr_map += nbr_map_strd;
|
}
|
|
return;
|
}
|
/*!
|
******************************************************************************
|
* \if Function name : ihevce_set_inter_nbr_map \endif
|
*
|
* \brief
|
* This function sets the neighbour availability flags of given value
|
* based on the position and horizontal width and vertical height
|
*
|
* \date
|
* 18/09/2012
|
*
|
* \author
|
* Ittiam
|
*
|
* \return
|
* none
|
* List of Functions
|
*
|
*
|
******************************************************************************
|
*/
|
void ihevce_set_inter_nbr_map(
|
UWORD8 *pu1_nbr_map,
|
WORD32 nbr_map_strd,
|
WORD32 unit_4x4_pos_x,
|
WORD32 unit_4x4_pos_y,
|
WORD32 unit_4x4_size_hz,
|
WORD32 unit_4x4_size_vt,
|
WORD32 val)
|
{
|
WORD32 i;
|
/* map is stored at 4x4 level increment to point to current cu 4x4 */
|
pu1_nbr_map += (unit_4x4_pos_x);
|
pu1_nbr_map += (unit_4x4_pos_y)*nbr_map_strd;
|
{
|
/* loops to set the flags for given size */
|
for(i = 0; i < unit_4x4_size_vt; i++)
|
{
|
memset(pu1_nbr_map, val, sizeof(UWORD8) * unit_4x4_size_hz);
|
/* row level updates */
|
pu1_nbr_map += nbr_map_strd;
|
}
|
}
|
|
return;
|
}
|
