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aosp12/external/libhevc/encoder/ihevce_deblk.c

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/******************************************************************************
*
* 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_deblk.c
*
* @brief
* Contains definition for the ctb level deblk function
*
* @author
* ittiam
*
* @List of Functions:
* ihevce_deblk_populate_qp_map()
* ihevce_deblk_ctb()
* ihevce_hbd_deblk_ctb()
*
* @remarks
* None
*
*******************************************************************************
*/
/*****************************************************************************/
/* 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_debug.h"
#include "ihevc_structs.h"
#include "ihevc_platform_macros.h"
#include "ihevc_deblk.h"
#include "ihevc_deblk_tables.h"
#include "ihevc_common_tables.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_hle_interface.h"
#include "ihevce_lap_enc_structs.h"
#include "ihevce_multi_thrd_structs.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_entropy_structs.h"
#include "ihevce_cmn_utils_instr_set_router.h"
#include "ihevce_enc_loop_structs.h"
#include "ihevce_common_utils.h"
#include "ihevce_global_tables.h"
#include "ihevce_deblk.h"
#include "ihevce_tile_interface.h"
/*****************************************************************************/
/* Function Definitions */
/*****************************************************************************/
/*!
******************************************************************************
* \if Function name : ihevce_deblk_populate_qp_map \endif
*
* \brief
*
*
*****************************************************************************
*/
void ihevce_deblk_populate_qp_map(
ihevce_enc_loop_ctxt_t *ps_ctxt,
deblk_ctbrow_prms_t *ps_deblk_ctb_row_params,
ctb_enc_loop_out_t *ps_ctb_out_dblk,
WORD32 vert_ctr,
frm_ctb_ctxt_t *ps_frm_ctb_prms,
ihevce_tile_params_t *ps_col_tile_params)
{
ctb_enc_loop_out_t *ps_ctb_out;
WORD32 ctb_ctr, ctb_start, ctb_end;
WORD32 tile_qp_offset, tile_qp_size, i4_offset_for_last_cu_qp;
/* Create the Qp map for the entire current CTB-row for deblocking purpose(only)*/
/* Do this iff cur pic is referred or recon dump is enabled or psnr calc is on*/
/*Qp of the last CU of previous CTB row*/
WORD8 i1_last_cu_qp;
/*A pointer pointing to the top 4x4 block's Qp for all CTb rows*/
WORD8 *pi1_qp_top_4x4_ctb_row =
ps_deblk_ctb_row_params->api1_qp_top_4x4_ctb_row[ps_ctxt->i4_enc_frm_id] +
(ps_deblk_ctb_row_params->u4_qp_top_4x4_buf_size * ps_ctxt->i4_bitrate_instance_num);
UWORD32 u4_qp_top_4x4_buf_strd = ps_deblk_ctb_row_params->u4_qp_top_4x4_buf_strd;
/*The Qp map which has to be populated*/
UWORD32 u4_qp_buffer_stride = ps_deblk_ctb_row_params->u4_qp_buffer_stride;
WORD8 *pi1_ctb_tile_qp = ps_deblk_ctb_row_params->pi1_ctb_row_qp;
/*Temporary pointers to Qp map at CTB level*/
WORD8 *pi1_ctb_qp_map_tile;
i4_offset_for_last_cu_qp = ps_ctxt->pi4_offset_for_last_cu_qp[ps_ctxt->i4_tile_col_idx];
/* total QPs to be copied for current row is : */
tile_qp_size = i4_offset_for_last_cu_qp + 1;
/*Pointing to the first CTB of current CTB row*/
ps_ctb_out = ps_ctb_out_dblk;
/* Offset req. for the row QP to the tile start */
tile_qp_offset = ps_col_tile_params->i4_first_ctb_x * (ps_frm_ctb_prms->i4_ctb_size / 4);
ctb_start = ps_col_tile_params->i4_first_ctb_x;
ctb_end =
(ps_col_tile_params->i4_first_ctb_x + ps_col_tile_params->i4_curr_tile_wd_in_ctb_unit);
if(vert_ctr) /*Not first CTB row of frame*/
{
/*copy from top4x4_array data stored by upper CTB-row to qp-map*/
memcpy(
pi1_ctb_tile_qp,
(pi1_qp_top_4x4_ctb_row + (vert_ctr - 1) * u4_qp_top_4x4_buf_strd + tile_qp_offset),
tile_qp_size);
}
/*pu1_ctb_row_qp points to top4x4 row in Qp-map.
Now pointing pu1_ctb_qp_map to cur 4x4 row*/
pi1_ctb_qp_map_tile = pi1_ctb_tile_qp + u4_qp_buffer_stride;
/* This i1_last_cu_qp will be conditionally overwritten later */
i1_last_cu_qp = ps_ctxt->i4_frame_qp;
/* -- Loop over all the CTBs in a CTB-row for populating the Qp-map ----- */
for(ctb_ctr = ctb_start; ctb_ctr < ctb_end; ctb_ctr++)
{
WORD32 cu_ctr;
cu_enc_loop_out_t *ps_curr_cu;
/* Update i1_last_cu_qp based on CTB's position in tile */
update_last_coded_cu_qp(
(ps_deblk_ctb_row_params->pi1_ctb_row_qp + i4_offset_for_last_cu_qp),
ps_ctxt->i1_entropy_coding_sync_enabled_flag,
ps_frm_ctb_prms,
ps_ctxt->i4_frame_qp,
vert_ctr,
ctb_ctr,
&i1_last_cu_qp);
/* store the pointer of first cu of current ctb */
ps_curr_cu = ps_ctb_out->ps_enc_cu;
/* --------- loop over all the CUs in the CTB --------------- */
for(cu_ctr = 0; cu_ctr < ps_ctb_out->u1_num_cus_in_ctb; cu_ctr++)
{
UWORD8 u1_vert_4x4, u1_horz_4x4; //for_loop counters
WORD8 *pi1_cu_qp_map;
WORD8 i1_qp, i1_qp_left, i1_qp_top;
pi1_cu_qp_map = pi1_ctb_qp_map_tile +
(ps_curr_cu->b3_cu_pos_y * 2) * u4_qp_buffer_stride +
(ps_curr_cu->b3_cu_pos_x * 2);
/*If the current CU is coded in skip_mode/zero_CBF then
for deblocking, Qp of the previously coded CU will be used*/
if(ps_curr_cu->b1_skip_flag || ps_curr_cu->b1_no_residual_syntax_flag)
{
if(0 == ps_curr_cu->b3_cu_pos_x)
i1_qp_left = i1_last_cu_qp;
else
i1_qp_left = *(pi1_cu_qp_map - 1);
if(0 == ps_curr_cu->b3_cu_pos_y)
i1_qp_top = i1_last_cu_qp;
else
i1_qp_top = *(pi1_cu_qp_map - u4_qp_buffer_stride);
i1_qp = (i1_qp_left + i1_qp_top + 1) / 2;
if(0 == ps_curr_cu->b1_first_cu_in_qg)
{
i1_qp = i1_last_cu_qp;
}
}
else
{
i1_qp = ps_curr_cu->i1_cu_qp;
}
i1_last_cu_qp = i1_qp;
/*---- Loop for populating Qp map for the current CU -------*/
for(u1_vert_4x4 = 0; u1_vert_4x4 < (ps_curr_cu->b4_cu_size * 2); u1_vert_4x4++)
{
for(u1_horz_4x4 = 0; u1_horz_4x4 < (ps_curr_cu->b4_cu_size * 2); u1_horz_4x4++)
{
pi1_cu_qp_map[u1_horz_4x4] = i1_qp;
}
pi1_cu_qp_map += u4_qp_buffer_stride;
}
/*Update Qp-map ptr. Qp map is at 4x4 level but b4_cu_size is at 8x8 level*/
ps_curr_cu++;
}
pi1_ctb_qp_map_tile += (ps_frm_ctb_prms->i4_ctb_size / 4); //one qp per 4x4 block.
ps_ctb_out++;
} //for(ctb_ctr = 0; ctb_ctr < num_ctbs_horz; ctb_ctr++)
/*fill into the top4x4_array Qp for the lower CTB-row from bottom part of cur CTB row*/
memcpy(
(pi1_qp_top_4x4_ctb_row + vert_ctr * u4_qp_top_4x4_buf_strd + tile_qp_offset),
(pi1_ctb_tile_qp + (ps_frm_ctb_prms->i4_ctb_size / 4) * u4_qp_buffer_stride),
tile_qp_size);
}
/**
*******************************************************************************
*
* @brief
* Deblock CTB level function.
*
* @par Description:
* For a given CTB, deblocking on both vertical and
* horizontal edges is done. Both the luma and chroma
* blocks are processed
*
* @param[in]
* ps_deblk: Pointer to the deblock context
* last_col: if the CTB is the last CTB of current CTB-row value is 1 else 0
* ps_deblk_ctb_row_params: deblk ctb row params
*
* @returns
*
* @remarks
* None
*
*******************************************************************************
*/
void ihevce_deblk_ctb(
deblk_ctb_params_t *ps_deblk, WORD32 last_col, deblk_ctbrow_prms_t *ps_deblk_ctb_row_params)
{
WORD32 ctb_size;
UWORD32 u4_bs;
WORD32 bs_lz; /*Leading zeros in boundary strength*/
WORD32 qp_p, qp_q;
UWORD8 *pu1_src;
UWORD8 *pu1_src_uv;
UWORD8 *pu1_curr_src;
WORD32 col_size;
WORD32 col, row, i4_edge_count;
WORD32 num_columns_for_vert_filt;
WORD32 num_blks_for_vert_filt;
WORD32 num_rows_for_horz_filt;
ihevc_deblk_chroma_horz_ft *pf_deblk_chroma_horz;
ihevc_deblk_chroma_horz_ft *pf_deblk_chroma_vert;
/* Filter flags are packed along with the qp info.
6 out of the 8 bits correspond to qp and 1 to filter flag. */
/* filter_p and filter_q are initialized to 1.
They are to be extracted along with the qp info. */
WORD32 filter_p, filter_q;
WORD8 *pi1_ctb_row_qp_p, *pi1_ctb_row_qp_temp;
WORD8 *pi1_ctb_row_qp_q;
func_selector_t *ps_func_slector = ps_deblk->ps_func_selector;
WORD32 left_luma_edge_filter_flag = ps_deblk->i4_deblock_left_ctb_edge;
WORD32 top_luma_edge_filter_flag = ps_deblk->i4_deblock_top_ctb_edge;
WORD32 left_chroma_edge_filter_flag = ps_deblk->i4_deblock_left_ctb_edge;
WORD32 top_chroma_edge_filter_flag = ps_deblk->i4_deblock_top_ctb_edge;
UWORD32 *bs_vert = ps_deblk_ctb_row_params->pu4_ctb_row_bs_vert;
UWORD32 *bs_horz = ps_deblk_ctb_row_params->pu4_ctb_row_bs_horz;
UWORD32 *bs_vert_uv = bs_vert;
UWORD32 *bs_horz_uv = bs_horz;
UWORD32 u4_qp_buffer_stride = ps_deblk_ctb_row_params->u4_qp_buffer_stride;
UWORD8 u1_is_422 = (ps_deblk->u1_chroma_array_type == 2);
if(u1_is_422)
{
pf_deblk_chroma_horz = ps_func_slector->ihevc_deblk_422chroma_horz_fptr;
pf_deblk_chroma_vert = ps_func_slector->ihevc_deblk_422chroma_vert_fptr;
}
else
{
pf_deblk_chroma_horz = ps_func_slector->ihevc_deblk_chroma_horz_fptr;
pf_deblk_chroma_vert = ps_func_slector->ihevc_deblk_chroma_vert_fptr;
}
ctb_size = ps_deblk->i4_ctb_size;
/* The PCM filter flag and bypass trans flag are always set to 1 in encoder profile */
/* Can be removed during optimization */
filter_q = 1;
filter_p = 1;
//////////////////////////////////////////////////////////////////////////////
/* Luma Veritcal Edge */
pu1_src = ps_deblk->pu1_ctb_y;
pi1_ctb_row_qp_temp = ps_deblk_ctb_row_params->pi1_ctb_row_qp + u4_qp_buffer_stride;
num_columns_for_vert_filt = ctb_size / 8;
num_blks_for_vert_filt = ctb_size / 4;
for(i4_edge_count = 0; i4_edge_count < num_columns_for_vert_filt; i4_edge_count++)
{
u4_bs = *bs_vert;
/* get the current 4x4 vertical pointer */
pu1_curr_src = pu1_src;
pi1_ctb_row_qp_q = pi1_ctb_row_qp_temp + (i4_edge_count << 1);
/* If the current edge is not the 1st edge of frame or slice */
if(1 == left_luma_edge_filter_flag)
{
for(row = 0; row < num_blks_for_vert_filt;)
{
bs_lz = CLZ(u4_bs) >> 1;
/* If BS = 0, skip the egde filtering */
if(0 != bs_lz)
{
u4_bs = u4_bs << (bs_lz << 1);
pu1_curr_src += ((bs_lz << 2) * ps_deblk->i4_luma_pic_stride);
pi1_ctb_row_qp_q += (bs_lz * u4_qp_buffer_stride);
row += bs_lz;
continue;
}
qp_p = *(pi1_ctb_row_qp_q - 1);
qp_q = *pi1_ctb_row_qp_q;
ps_func_slector->ihevc_deblk_luma_vert_fptr(
pu1_curr_src,
ps_deblk->i4_luma_pic_stride,
(u4_bs >> 30), /* bits 31 and 30 are extracted */
qp_p,
qp_q,
ps_deblk->i4_beta_offset_div2,
ps_deblk->i4_tc_offset_div2,
filter_p,
filter_q);
u4_bs = u4_bs << 2;
pu1_curr_src += (ps_deblk->i4_luma_pic_stride << 2);
pi1_ctb_row_qp_q += u4_qp_buffer_stride;
row++;
}
}
/* Increment the boundary strength and src pointer for the next column */
bs_vert += 1;
pu1_src += 8;
/* Enable for the next edges of ctb*/
left_luma_edge_filter_flag = 1;
}
//////////////////////////////////////////////////////////////////////////////
/* Chroma Veritcal Edge */
pu1_src_uv = ps_deblk->pu1_ctb_uv;
pi1_ctb_row_qp_temp = ps_deblk_ctb_row_params->pi1_ctb_row_qp + u4_qp_buffer_stride;
/* Column spacing is 4 for each chroma component */
/* and hence 8 when they are interleaved. */
/* But, only those columns with a x co-ordinate */
/* that is divisiblee by 8 are filtered */
/* Hence, denominator is 16 */
num_columns_for_vert_filt = ctb_size / 16;
/* blk_size is 4 and chroma_ctb_height is ctb_size/2 */
num_blks_for_vert_filt = (0 == u1_is_422) ? (ctb_size / 2) / 4 : (ctb_size) / 4;
for(i4_edge_count = 0; i4_edge_count < num_columns_for_vert_filt; i4_edge_count++)
{
/* Every alternate boundary strength value is used for 420 chroma */
u4_bs = *(bs_vert_uv) & ((0 == u1_is_422) ? 0x88888888 : 0xaaaaaaaa);
pu1_curr_src = pu1_src_uv;
pi1_ctb_row_qp_q = pi1_ctb_row_qp_temp + (i4_edge_count << 2);
/* If the current edge is not the 1st edge of frame or slice */
if(1 == left_chroma_edge_filter_flag)
{
/* Each 'bs' is 2 bits long */
/* The divby4 in 420 is */
/* necessitated by the fact that */
/* chroma ctb_ht is half that of luma */
WORD32 i4_log2_num_bits_per_bs = ((0 == u1_is_422) + 1);
/* i4_sub_heightC = 2 for 420 */
/* i4_sub_heightC = 1 for 422 */
WORD32 i4_sub_heightC = i4_log2_num_bits_per_bs;
for(row = 0; row < num_blks_for_vert_filt;)
{
bs_lz = CLZ(u4_bs) >> i4_log2_num_bits_per_bs;
/* If BS = 0, skip the egde filtering */
if(0 != bs_lz)
{
row += bs_lz;
u4_bs = u4_bs << (bs_lz << i4_log2_num_bits_per_bs);
/* '<<2' because of blk_size being 4x4 */
pu1_curr_src += ((bs_lz << 2) * ps_deblk->i4_chroma_pic_stride);
/* In 420, every alternate QP row is skipped, because chroma height */
/* In 422, no row is skipped */
pi1_ctb_row_qp_q += ((u4_qp_buffer_stride << (i4_sub_heightC - 1)) * bs_lz);
continue;
}
qp_p = *(pi1_ctb_row_qp_q - i4_sub_heightC);
qp_q = *pi1_ctb_row_qp_q;
pf_deblk_chroma_vert(
pu1_curr_src,
ps_deblk->i4_chroma_pic_stride,
qp_p,
qp_q,
ps_deblk->i4_cb_qp_indx_offset,
ps_deblk->i4_cr_qp_indx_offset,
ps_deblk->i4_tc_offset_div2,
filter_p,
filter_q);
u4_bs = u4_bs << (1 << i4_log2_num_bits_per_bs);
pu1_curr_src += (ps_deblk->i4_chroma_pic_stride << 2);
pi1_ctb_row_qp_q += (u4_qp_buffer_stride << (i4_sub_heightC - 1));
row++;
}
}
/* Increment the boundary strength by 2 and src pointer for the next column */
/* As the edge filtering happens for alternate column */
bs_vert_uv += 2;
pu1_src_uv += 16;
left_chroma_edge_filter_flag = 1;
}
//////////////////////////////////////////////////////////////////////////////
/* Luma Horizontal Edge */
pu1_src = ps_deblk->pu1_ctb_y;
col_size = ctb_size / 4;
/* If the ctb is the 1st ctb of row, */
/* Decrement the loop count to exclude filtering of last 4 pixels */
/* else shift the src pointer by 4 pixels to do filtering for shifted ctb */
if(ps_deblk->i4_deblock_left_ctb_edge == 1)
{
pu1_src -= 4;
/*If the ctb is at the horizonatl end of PIC*/
/* Increase the column size to filter last 4 pixels */
col_size += last_col;
}
else if(!last_col)
{
col_size -= 1;
}
{
UWORD8 *pu1_src_temp = pu1_src;
//pu1_ctb_row_qp_p and pu1_ctb_row_qp_q point to alternate rows
pi1_ctb_row_qp_p = ps_deblk_ctb_row_params->pi1_ctb_row_qp;
num_rows_for_horz_filt = ctb_size / 8;
for(i4_edge_count = 0; i4_edge_count < num_rows_for_horz_filt; i4_edge_count++)
{
WORD32 col_size_temp = col_size;
pi1_ctb_row_qp_q = pi1_ctb_row_qp_p + u4_qp_buffer_stride;
pu1_src = pu1_src_temp + (i4_edge_count * 8 * ps_deblk->i4_luma_pic_stride);
if(1 == top_luma_edge_filter_flag)
{
//Deblock the last vertical_4x4_column of previous CTB
if(ps_deblk->i4_deblock_left_ctb_edge == 1)
{
u4_bs = ps_deblk->au1_prev_bs[i4_edge_count] & 0x3;
if(u4_bs != 0)
{
qp_p = *(pi1_ctb_row_qp_p - 1);
qp_q = *(pi1_ctb_row_qp_q - 1);
ps_func_slector->ihevc_deblk_luma_horz_fptr(
pu1_src,
ps_deblk->i4_luma_pic_stride,
u4_bs,
qp_p,
qp_q,
ps_deblk->i4_beta_offset_div2,
ps_deblk->i4_tc_offset_div2,
1,
1);
}
pu1_src += 4;
col_size_temp--;
}
//Start deblocking current CTB
u4_bs = *(bs_horz);
for(col = 0; col < col_size_temp;)
{
bs_lz = CLZ(u4_bs) >> 1;
if(0 != bs_lz)
{
u4_bs = u4_bs << (bs_lz << 1);
pu1_src += 4 * bs_lz;
col += bs_lz;
continue;
}
qp_p = *(pi1_ctb_row_qp_p + col);
qp_q = *(pi1_ctb_row_qp_q + col);
ps_func_slector->ihevc_deblk_luma_horz_fptr(
pu1_src,
ps_deblk->i4_luma_pic_stride,
u4_bs >> (sizeof(u4_bs) * 8 - 2),
qp_p,
qp_q,
ps_deblk->i4_beta_offset_div2,
ps_deblk->i4_tc_offset_div2,
filter_p,
filter_q);
pu1_src += 4;
u4_bs = u4_bs << 2;
col++;
}
//Store the last vertical_4x4 column of CTB's info for next CTB deblocking
u4_bs = *bs_horz;
ps_deblk->au1_prev_bs[i4_edge_count] =
(UWORD8)(((u4_bs << ((ctb_size >> 1) - 2))) >> 30);
}
bs_horz += 1;
pi1_ctb_row_qp_p += (u4_qp_buffer_stride << 1);
top_luma_edge_filter_flag = 1;
}
}
//////////////////////////////////////////////////////////////////////////////
/* Chroma Horizontal Edge */
pu1_src_uv = ps_deblk->pu1_ctb_uv;
col_size = ctb_size / 8;
/* If the ctb is the 1st ctb of row, */
/* Decrement the loop count to exclude filtering of last 4 pixels */
/* else shift the src pointer by 8 (uv) pixels to do filtering for shifted ctb */
if(ps_deblk->i4_deblock_left_ctb_edge == 1)
{
pu1_src_uv -= 8;
/*If the ctb is at the horizonatl end of PIC*/
/* Increase the column size to filter last 8 (uv) pixels */
col_size += last_col;
}
else if(!last_col)
{
col_size--;
}
{
UWORD8 *pu1_src_temp = pu1_src_uv;
//pu1_ctb_row_qp_p and pu1_ctb_row_qp_q point to alternate rows
pi1_ctb_row_qp_p = ps_deblk_ctb_row_params->pi1_ctb_row_qp;
num_rows_for_horz_filt = ctb_size / ((0 == u1_is_422) ? 16 : 8);
for(i4_edge_count = 0; i4_edge_count < num_rows_for_horz_filt; i4_edge_count++)
{
WORD32 col_size_temp = col_size;
pi1_ctb_row_qp_q = pi1_ctb_row_qp_p + u4_qp_buffer_stride;
pu1_src_uv = pu1_src_temp + (i4_edge_count * 8 * ps_deblk->i4_chroma_pic_stride);
if(1 == top_chroma_edge_filter_flag)
{
//Deblock the last vertical _4x4_column of previous CTB
if(ps_deblk->i4_deblock_left_ctb_edge == 1)
{
u4_bs = ps_deblk->au1_prev_bs_uv[i4_edge_count] & 0x2;
if(u4_bs == 2)
{
qp_p = *(pi1_ctb_row_qp_p - 1);
qp_q = *(pi1_ctb_row_qp_q - 1);
pf_deblk_chroma_horz(
pu1_src_uv,
ps_deblk->i4_chroma_pic_stride,
qp_p,
qp_q,
ps_deblk->i4_cb_qp_indx_offset,
ps_deblk->i4_cr_qp_indx_offset,
ps_deblk->i4_tc_offset_div2,
1,
1);
}
pu1_src_uv += 8;
col_size_temp--;
}
//Start deblocking current CTB
u4_bs = *(bs_horz_uv)&0x88888888;
for(col = 0; col < col_size_temp;)
{
bs_lz = CLZ(u4_bs) >> 2;
if(0 != bs_lz)
{
u4_bs = u4_bs << (bs_lz << 2);
pu1_src_uv += (8 * bs_lz);
col += bs_lz;
continue;
}
qp_p = *(pi1_ctb_row_qp_p + (col << 1));
qp_q = *(pi1_ctb_row_qp_q + (col << 1));
pf_deblk_chroma_horz(
pu1_src_uv,
ps_deblk->i4_chroma_pic_stride,
qp_p,
qp_q,
ps_deblk->i4_cb_qp_indx_offset,
ps_deblk->i4_cr_qp_indx_offset,
ps_deblk->i4_tc_offset_div2,
filter_p,
filter_q);
pu1_src_uv += 8;
u4_bs = u4_bs << 4;
col++;
}
//Store the last vertical_4x4 column of CTB's info for next CTB deblocking
u4_bs = *bs_horz_uv;
ps_deblk->au1_prev_bs_uv[i4_edge_count] =
(UWORD8)(((u4_bs << ((ctb_size >> 1) - 4))) >> 30);
}
bs_horz_uv += ((0 == u1_is_422) + 1);
pi1_ctb_row_qp_p += (u4_qp_buffer_stride << ((0 == u1_is_422) + 1));
top_chroma_edge_filter_flag = 1;
}
}
return;
}
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