| /****************************************************************************** |
| * |
| * 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; |
| } |
