werunplugged/unplugged-system
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
06ee9615ad
unplugged-system/external/libavc/decoder/svc/isvcd_compute_bs.c

966 lines
38 KiB
C
Raw Normal View History

Initial commit: AOSP 14 with modifications for Unplugged OS
2025-10-06 13:59:42 +00:00
/******************************************************************************
*
* Copyright (C) 2022 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
* isvcd_compute_bs.c
*
* @brief
* This file contains bit flags and info on target layer.
*
* @author
* Kishore
*
* @par List of Functions:
* - isvcd_deblk_extract_bit_flags()
* - isvcd_fill_bs_ibl()
* - isvcd_compute_bs_non_mbaff_target_lyr_no_inter_layer()
* - isvcd_compute_bs_non_mbaff()
* - isvcd_compute_bs_non_mbaff_target_lyr()
* - isvcd_compute_bs_non_mbaff_medial_lyr()
*
* @remarks
* None
*
*******************************************************************************
*/
#include "ih264_typedefs.h"
#include "ih264_macros.h"
#include "ih264_platform_macros.h"
#include "isvcd_structs.h"
#include "ih264d_defs.h"
#include "ih264d_deblocking.h"
#include "string.h"
#include "ih264d_debug.h"
#include "ih264d_tables.h"
UWORD16 ih264d_update_csbp_8x8(UWORD16 u2_luma_csbp);
void ih264d_fill_bs2_horz_vert(UWORD32 *pu4_bs, /* Base pointer of BS table */
WORD32 u4_left_mb_csbp, /* csbp of left mb */
WORD32 u4_top_mb_csbp, /* csbp of top mb */
WORD32 u4_cur_mb_csbp, /* csbp of current mb */
const UWORD32 *pu4_packed_bs2, const UWORD16 *pu2_4x4_v2h_reorder);
const UWORD32 g_au4_extract_set[NUM_SUB_MB_PARTS] = {0x00000000F, 0x0000000F0, 0x000000F00,
0x00000F000};
/** \brief extracts the bits from given offset and packs it to last 4 bits */
UWORD16 isvcd_deblk_extract_bit_flags(UWORD16 u2_bit_field, WORD32 i4_initial_bit_mask)
{
WORD32 i4_i;
WORD32 i4_bit_mask;
UWORD16 u2_result = 0;
i4_bit_mask = i4_initial_bit_mask;
for(i4_i = 0; i4_i < NUM_SUB_MB_PARTS; i4_i++)
{
WORD32 i4_bit;
/* extract the bits of the last column 4x4 blocks */
if(0 == (i4_bit_mask & u2_bit_field))
{
i4_bit = 0;
}
else
{
i4_bit = 1;
}
/* store the result */
u2_result |= i4_bit << i4_i;
i4_bit_mask <<= 4;
} /* end of loop over num sub Mb parts */
return (u2_result);
}
/** \brief Fills the BS for edges falling on a IBL boundary */
void isvcd_fill_bs_ibl(deblk_mb_t *ps_deblk_mb, UWORD8 u1_top_mb_type, UWORD8 u1_left_mb_type,
dec_mb_info_t *ps_cur_mb_info, UWORD16 *pu2_curr_res_luma_csbp,
UWORD16 *pu2_left_res_luma_csbp, UWORD16 *pu2_top_res_luma_csbp)
{
/*! Flow of the module is as follows */
/*! 1. checks if MB edge is falling on IBL boundary */
/*! 2. if only Mb edge then it fills the BS based on INTRA or INTER
stauts */
/*! 3. if the current MB is IBL and neighbours are also neighbours
then it uses the current layer t_coeff flag to decide the
BS of a particular edge */
/*!4. fills the BS for all the edges in curretn MB if IBL */
UWORD16 u2_top_horz_nnz;
UWORD8 u1_top_mb_ibl, u1_left_mb_ibl;
UWORD32 i4_i, i4_edge;
UWORD8 u1_bs;
UWORD8 u1_cnd;
UWORD8 u1_top_intra;
UWORD8 u1_left_intra;
UWORD8 u1_p_nnz, u1_q_nnz;
UWORD8 u1_curr_mb_ibl;
UWORD32 *pu4_bs_table;
UWORD16 u2_curr_nnz;
UWORD8 u1_left_mb_nnz = 0, u1_left_nnz;
WORD32 i4_horz_start = 0;
WORD32 i4_vertical_start = 0;
pu4_bs_table = &(ps_deblk_mb->u4_bs_table[0]);
u1_top_mb_ibl = u1_top_mb_type & D_INTRA_IBL;
u1_left_mb_ibl = u1_left_mb_type & D_INTRA_IBL;
u1_curr_mb_ibl = ps_deblk_mb->u1_mb_type & D_INTRA_IBL;
u1_top_intra = u1_top_mb_type & D_INTRA_MB;
u1_left_intra = u1_left_mb_type & D_INTRA_MB;
/* return if none of the current top and left is IBL */
if((0 == u1_curr_mb_ibl) && (0 == u1_top_mb_ibl) && (0 == u1_left_mb_ibl))
{
return;
}
/* set up the vertical and horz MB edge skip flags */
if(0 != u1_curr_mb_ibl)
{
/* if top is not IBL */
if(0 == u1_top_mb_ibl)
{
i4_horz_start = 1;
}
/* if left in not IBL */
if(0 == u1_left_mb_ibl)
{
i4_vertical_start = 1;
}
}
/*******************************************************/
/* Fill BS for mb egdex assuming non IBL case */
/*******************************************************/
/* only the MB edges fall across IBL boundary */
if((0 != u1_curr_mb_ibl) || (0 != u1_top_mb_ibl) || (0 != u1_left_mb_ibl))
{
UWORD16 u2_temp, u2_i;
u2_temp = *pu2_left_res_luma_csbp;
for(u2_i = 0; u2_i < 4; u2_i++)
{
u1_left_mb_nnz |= ((u2_temp & 0x08) >> (3 - u2_i));
u2_temp >>= 4;
}
u2_curr_nnz = *pu2_curr_res_luma_csbp;
u2_top_horz_nnz = *pu2_top_res_luma_csbp >> 12;
/* top is intra and not ibl */
if(0 != u1_top_intra)
{
pu4_bs_table[0] = 0x04040404;
}
/* left is intra and not ibl */
if(0 != u1_left_intra)
{
pu4_bs_table[4] = 0x04040404;
}
/* assume neighbours are inter and update bs */
/* Edge = 0 means Vert Edges and Edge = 1 means Horz edges */
for(i4_edge = 0; i4_edge < 2; i4_edge++)
{
UWORD8 u1_p_nnz, u1_q_nnz;
UWORD32 u4_bs_edge = 0;
WORD32 i4_bit_mask;
WORD32 i4_curr_intra_flag;
WORD32 i4_neibor_intra_flag;
i4_curr_intra_flag = (0 != u1_curr_mb_ibl);
if(0 != i4_edge)
{
/* Initialize for the TOP edge */
u1_p_nnz = (UWORD8) u2_top_horz_nnz;
u1_q_nnz = (UWORD8) (u2_curr_nnz & g_au4_extract_set[0]);
i4_neibor_intra_flag = (u1_top_mb_ibl || u1_top_intra);
}
else
{
u1_p_nnz = u1_left_mb_nnz;
u1_q_nnz = (UWORD8) isvcd_deblk_extract_bit_flags(u2_curr_nnz, 0x01);
i4_neibor_intra_flag = (u1_left_mb_ibl || u1_left_intra);
}
i4_bit_mask = 1;
/* find bs of 4 edges */
for(i4_i = 0; i4_i < 4; i4_i++)
{
UWORD8 u1_p_nnz_temp, u1_q_nnz_temp;
u1_p_nnz_temp = (u1_p_nnz & i4_bit_mask);
u1_q_nnz_temp = (u1_q_nnz & i4_bit_mask);
u1_cnd = ((u1_p_nnz_temp && (!i4_neibor_intra_flag)) ||
(u1_q_nnz_temp && (!i4_curr_intra_flag)));
u1_bs = u1_cnd ? 2 : 1;
/* update the bs of the edge */
u4_bs_edge = (u4_bs_edge << 8) + u1_bs;
i4_bit_mask <<= 1;
} /* end of loop over blk edges */
/* update the bs of edges */
if(i4_edge && !u1_top_intra)
{
pu4_bs_table[0] = u4_bs_edge;
}
else if(!i4_edge && !u1_left_intra)
{
pu4_bs_table[4] = u4_bs_edge;
}
} /* end of loop over v1 vetical and horizontal edge */
}
/* current MB is IBL */
if(0 != u1_curr_mb_ibl)
{
UWORD16 u2_temp, u2_i;
WORD32 i4_bit_mask_edge = 1;
u1_left_mb_nnz = 0;
u2_temp = ps_cur_mb_info->ps_left_mb->u2_luma_csbp;
for(u2_i = 0; u2_i < 4; u2_i++)
{
u1_left_mb_nnz |= ((u2_temp & 0x08) >> (3 - u2_i));
u2_temp >>= 4;
}
u2_curr_nnz = ps_cur_mb_info->ps_curmb->u2_luma_csbp;
u2_top_horz_nnz = ps_cur_mb_info->ps_top_mb->u2_luma_csbp >> 12;
/* all are IBL edges then use only t_coeff of current layer*/
/* loop over all edges */
for(i4_edge = 0; i4_edge < 4; i4_edge++)
{
UWORD16 u2_curr_horz_nnz = 0;
WORD32 i4_bit_mask = 1;
u2_curr_horz_nnz = u2_curr_nnz & g_au4_extract_set[i4_edge];
u2_curr_horz_nnz = (u2_curr_horz_nnz >> (i4_edge * 4));
u1_left_nnz = (u1_left_mb_nnz & i4_bit_mask_edge);
for(i4_i = 0; i4_i < 4; i4_i++)
{
UWORD8 u1_curr_nnz, u1_top_nnz;
u1_curr_nnz = (u2_curr_horz_nnz & i4_bit_mask);
u1_top_nnz = (u2_top_horz_nnz & i4_bit_mask);
/* update bs horizontal */
if(!((1 == i4_horz_start) && (0 == i4_edge)))
{
u1_p_nnz = u1_top_nnz;
u1_q_nnz = u1_curr_nnz;
u1_cnd = !(u1_p_nnz || u1_q_nnz);
u1_bs = u1_cnd ? 0 : 1;
pu4_bs_table[i4_edge] = (pu4_bs_table[i4_edge] << 8) + u1_bs;
}
/* update bs vertical */
if(!((1 == i4_vertical_start) && (0 == i4_i)))
{
u1_p_nnz = u1_left_nnz;
u1_q_nnz = u1_curr_nnz;
u1_cnd = !(u1_p_nnz || u1_q_nnz);
u1_bs = u1_cnd ? 0 : 1;
pu4_bs_table[i4_i + 4] = (pu4_bs_table[i4_i + 4] << 8) + u1_bs;
}
/* store the current nnz to left nnz */
u1_left_nnz = u1_curr_nnz;
i4_bit_mask <<= 1;
}
/* store the current row nnz to top row nnz */
u2_top_horz_nnz = u2_curr_horz_nnz;
i4_bit_mask_edge <<= 1;
}
}
return;
}
/*****************************************************************************/
/* */
/* Function Name : isvcd_compute_bs_non_mbaff_target_lyr_no_inter_layer */
/* */
/* Description : This function computes the pointers of left,top & current*/
/* : Nnz, MvPred & deblk_mb_t and supplies to FillBs function */
/* : for Boundary Strength Calculation */
/* Inputs : <What inputs does the function take?> */
/* Processing : This functions calls deblock MB in the MB increment order*/
/* */
/* Outputs : Produces the Boundary Strength for Current Mb */
/* Returns : None */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* 06 09 2021 Kishore */
/*****************************************************************************/
void isvcd_compute_bs_non_mbaff_target_lyr_no_inter_layer(svc_dec_lyr_struct_t *ps_svc_lyr_dec,
dec_mb_info_t *ps_cur_mb_info,
const UWORD16 u2_mbxn_mb)
{
dec_struct_t *ps_dec = &ps_svc_lyr_dec->s_dec;
/* Mvpred and Nnz for top and Courrent */
mv_pred_t *ps_cur_mv_pred, *ps_top_mv_pred = NULL, *ps_left_mv_pred;
/* deblk_mb_t Params */
deblk_mb_t *ps_cur_mb_params; /*< Parameters of current MacroBlock */
deblkmb_neighbour_t *ps_deblk_top_mb;
/* Reference Index to POC mapping*/
void **apv_map_ref_idx_to_poc;
UWORD32 u4_leftmbtype;
UWORD16 u2_left_csbp, u2_top_csbp, u2_cur_csbp;
/* Set of flags */
UWORD32 u4_cur_mb_intra, u1_top_mb_typ, u4_cur_mb_fld;
UWORD32 u1_cur_mb_type;
UWORD32 *pu4_bs_table;
/* Neighbour availability */
/* Initialization */
const UWORD32 u2_mbx = ps_cur_mb_info->u2_mbx;
const UWORD32 u2_mby = ps_cur_mb_info->u2_mby;
const UWORD32 u1_pingpong = u2_mbx & 0x01;
PROFILE_DISABLE_BOUNDARY_STRENGTH()
ps_deblk_top_mb = ps_dec->ps_deblk_top_mb + u2_mbx;
/* Pointer assignment for Current DeblkMB, Current Mv Pred */
ps_cur_mb_params = ps_dec->ps_deblk_mbn + u2_mbxn_mb;
ps_cur_mv_pred = ps_dec->ps_mv_cur + (u2_mbxn_mb << 4);
apv_map_ref_idx_to_poc = ps_dec->ppv_map_ref_idx_to_poc + 1;
u1_cur_mb_type = ps_cur_mb_params->u1_mb_type;
u1_top_mb_typ = ps_deblk_top_mb->u1_mb_type;
ps_deblk_top_mb->u1_mb_type = u1_cur_mb_type;
ps_cur_mb_params->u1_topmb_qp = ps_deblk_top_mb->u1_mb_qp;
ps_deblk_top_mb->u1_mb_qp = ps_cur_mb_params->u1_mb_qp;
ps_cur_mb_params->u1_left_mb_qp = ps_dec->deblk_left_mb[1].u1_mb_qp;
ps_dec->deblk_left_mb[1].u1_mb_qp = ps_cur_mb_params->u1_mb_qp;
/* if no deblocking required for current Mb then continue */
/* Check next Mbs in Mb group */
if(ps_cur_mb_params->u1_deblocking_mode & MB_DISABLE_FILTERING)
{
void **pu4_map_ref_idx_to_poc_l1 = apv_map_ref_idx_to_poc + POC_LIST_L0_TO_L1_DIFF;
{
/* Store Parameter for Top MvPred refernce frame Address */
void **ppv_top_mv_pred_addr = ps_cur_mb_info->ps_curmb->u4_pic_addrress;
WORD8 *p1_refTop0 = (ps_cur_mv_pred + 12)->i1_ref_frame;
WORD8 *p1_refTop1 = (ps_cur_mv_pred + 14)->i1_ref_frame;
/* Store Left addresses for Next Mb */
void **ppv_left_mv_pred_addr = ps_dec->ps_left_mvpred_addr[!u1_pingpong][1].u4_add;
WORD8 *p1_refleft0 = (ps_cur_mv_pred + 3)->i1_ref_frame;
ppv_top_mv_pred_addr[0] = apv_map_ref_idx_to_poc[p1_refTop0[0]];
ppv_top_mv_pred_addr[1] = pu4_map_ref_idx_to_poc_l1[p1_refTop0[1]];
ppv_left_mv_pred_addr[2] = apv_map_ref_idx_to_poc[p1_refTop1[0]];
ppv_top_mv_pred_addr[2] = apv_map_ref_idx_to_poc[p1_refTop1[0]];
ppv_left_mv_pred_addr[3] = pu4_map_ref_idx_to_poc_l1[p1_refTop1[1]];
ppv_top_mv_pred_addr[3] = pu4_map_ref_idx_to_poc_l1[p1_refTop1[1]];
ppv_left_mv_pred_addr[0] = apv_map_ref_idx_to_poc[p1_refleft0[0]];
ppv_left_mv_pred_addr[1] = pu4_map_ref_idx_to_poc_l1[p1_refleft0[1]];
/* Storing the leftMbtype for next Mb */
ps_dec->deblk_left_mb[1].u1_mb_type = ps_cur_mb_params->u1_mb_type;
}
return;
}
/* Flag for extra left Edge */
ps_cur_mb_params->u1_single_call = 1;
/* Update the Left deblk_mb_t and Left MvPred Parameters */
if(!u2_mbx)
{
u4_leftmbtype = 0;
/* Initialize the ps_left_mv_pred with Junk but Valid Location */
/* to avoid invalid memory access */
/* this is read only pointer */
ps_left_mv_pred = ps_dec->ps_mv_cur + 3;
}
else
{
u4_leftmbtype = ps_dec->deblk_left_mb[1].u1_mb_type;
/* Come to Left Most Edge of the MB */
ps_left_mv_pred =
(u2_mbxn_mb) ? ps_dec->ps_mv_cur + ((u2_mbxn_mb - 1) << 4) + 3 : ps_dec->ps_mv_left + 3;
}
if(!u2_mby) u1_top_mb_typ = 0;
/* MvPred Pointer Calculation */
ps_top_mv_pred = ps_cur_mv_pred - (ps_dec->u2_frm_wd_in_mbs << 4) + 12;
u4_cur_mb_intra = u1_cur_mb_type & D_INTRA_MB;
u4_cur_mb_fld = !!(u1_cur_mb_type & D_FLD_MB);
/* Compute BS function */
pu4_bs_table = ps_cur_mb_params->u4_bs_table;
u2_cur_csbp = ps_cur_mb_info->ps_curmb->u2_luma_csbp;
u2_left_csbp = ps_cur_mb_info->ps_left_mb->u2_luma_csbp;
u2_top_csbp = ps_cur_mb_info->ps_top_mb->u2_luma_csbp;
/* Compute BS function */
if((ps_dec->ps_cur_sps->u1_profile_idc == HIGH_PROFILE_IDC) ||
(ps_dec->ps_cur_sps->u1_profile_idc == SCALABLE_HIGH_PROFILE_IDC) ||
(ps_dec->ps_cur_sps->u1_profile_idc == SCALABLE_BASELINE_PROFILE_IDC))
{
if(ps_cur_mb_info->u1_tran_form8x8 == 1)
{
u2_cur_csbp = ih264d_update_csbp_8x8(ps_cur_mb_info->ps_curmb->u2_luma_csbp);
}
if(ps_cur_mb_info->ps_left_mb->u1_tran_form8x8 == 1)
{
u2_left_csbp = ih264d_update_csbp_8x8(ps_cur_mb_info->ps_left_mb->u2_luma_csbp);
}
if(ps_cur_mb_info->ps_top_mb->u1_tran_form8x8 == 1)
{
u2_top_csbp = ih264d_update_csbp_8x8(ps_cur_mb_info->ps_top_mb->u2_luma_csbp);
}
}
if(u4_cur_mb_intra)
{
pu4_bs_table[4] = 0x04040404;
pu4_bs_table[0] = u4_cur_mb_fld ? 0x03030303 : 0x04040404;
pu4_bs_table[1] = 0x03030303;
pu4_bs_table[2] = 0x03030303;
pu4_bs_table[3] = 0x03030303;
pu4_bs_table[5] = 0x03030303;
pu4_bs_table[6] = 0x03030303;
pu4_bs_table[7] = 0x03030303;
}
else
{
UWORD32 u4_is_non16x16 = !!(u1_cur_mb_type & D_PRED_NON_16x16);
UWORD32 u4_is_b = ps_dec->u1_B;
ih264d_fill_bs2_horz_vert(pu4_bs_table, u2_left_csbp, u2_top_csbp, u2_cur_csbp,
(const UWORD32 *) (gau4_ih264d_packed_bs2),
(const UWORD16 *) (gau2_ih264d_4x4_v2h_reorder));
if(u4_leftmbtype & D_INTRA_MB) pu4_bs_table[4] = 0x04040404;
if(u1_top_mb_typ & D_INTRA_MB) pu4_bs_table[0] = u4_cur_mb_fld ? 0x03030303 : 0x04040404;
ps_dec->pf_fill_bs1[u4_is_b][u4_is_non16x16](
ps_cur_mv_pred, ps_top_mv_pred, apv_map_ref_idx_to_poc, pu4_bs_table, ps_left_mv_pred,
&(ps_dec->ps_left_mvpred_addr[u1_pingpong][1]),
ps_cur_mb_info->ps_top_mb->u4_pic_addrress, (4 >> u4_cur_mb_fld));
}
{
void **pu4_map_ref_idx_to_poc_l1 = apv_map_ref_idx_to_poc + POC_LIST_L0_TO_L1_DIFF;
{
/* Store Parameter for Top MvPred refernce frame Address */
void **ppv_top_mv_pred_addr = ps_cur_mb_info->ps_curmb->u4_pic_addrress;
WORD8 *p1_refTop0 = (ps_cur_mv_pred + 12)->i1_ref_frame;
WORD8 *p1_refTop1 = (ps_cur_mv_pred + 14)->i1_ref_frame;
/* Store Left addresses for Next Mb */
void **ppv_left_mv_pred_addr = ps_dec->ps_left_mvpred_addr[!u1_pingpong][1].u4_add;
WORD8 *p1_refleft0 = (ps_cur_mv_pred + 3)->i1_ref_frame;
ppv_top_mv_pred_addr[0] = apv_map_ref_idx_to_poc[p1_refTop0[0]];
ppv_top_mv_pred_addr[1] = pu4_map_ref_idx_to_poc_l1[p1_refTop0[1]];
ppv_left_mv_pred_addr[2] = apv_map_ref_idx_to_poc[p1_refTop1[0]];
ppv_top_mv_pred_addr[2] = apv_map_ref_idx_to_poc[p1_refTop1[0]];
ppv_left_mv_pred_addr[3] = pu4_map_ref_idx_to_poc_l1[p1_refTop1[1]];
ppv_top_mv_pred_addr[3] = pu4_map_ref_idx_to_poc_l1[p1_refTop1[1]];
ppv_left_mv_pred_addr[0] = apv_map_ref_idx_to_poc[p1_refleft0[0]];
ppv_left_mv_pred_addr[1] = pu4_map_ref_idx_to_poc_l1[p1_refleft0[1]];
/* Storing the leftMbtype for next Mb */
ps_dec->deblk_left_mb[1].u1_mb_type = ps_cur_mb_params->u1_mb_type;
}
}
/* For transform 8x8 disable deblocking of the intrernal edges of a 8x8 block */
if(ps_cur_mb_info->u1_tran_form8x8)
{
pu4_bs_table[1] = 0;
pu4_bs_table[3] = 0;
pu4_bs_table[5] = 0;
pu4_bs_table[7] = 0;
}
}
/*****************************************************************************/
/* */
/* Function Name : isvcd_compute_bs_non_mbaff */
/* */
/* Description : This function computes the pointers of left,top & current*/
/* : Nnz, MvPred & deblk_mb_t and supplies to FillBs function */
/* : for Boundary Strength Calculation */
/* Inputs : <What inputs does the function take?> */
/* Processing : This functions calls deblock MB in the MB increment order*/
/* */
/* Outputs : Produces the Boundary Strength for Current Mb */
/* Returns : None */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* 06 09 2021 Kishore */
/*****************************************************************************/
void isvcd_compute_bs_non_mbaff(svc_dec_lyr_struct_t *ps_svc_lyr_dec, dec_mb_info_t *ps_cur_mb_info,
const UWORD16 u2_mbxn_mb)
{
dec_struct_t *ps_dec = &ps_svc_lyr_dec->s_dec;
ps_dec->pf_compute_bs(ps_dec, ps_cur_mb_info, u2_mbxn_mb);
}
/*****************************************************************************/
/* */
/* Function Name : isvcd_compute_bs_non_mbaff_target_lyr */
/* */
/* Description : This function computes the pointers of left,top & current*/
/* : Nnz, MvPred & deblk_mb_t and supplies to FillBs function */
/* : for Boundary Strength Calculation */
/* Inputs : <What inputs does the function take?> */
/* Processing : This functions calls deblock MB in the MB increment order*/
/* */
/* Outputs : Produces the Boundary Strength for Current Mb */
/* Returns : None */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* 06 09 2021 Kishore */
/*****************************************************************************/
void isvcd_compute_bs_non_mbaff_target_lyr(svc_dec_lyr_struct_t *ps_svc_lyr_dec,
dec_mb_info_t *ps_cur_mb_info, const UWORD16 u2_mbxn_mb)
{
dec_struct_t *ps_dec = &ps_svc_lyr_dec->s_dec;
/* Mvpred and Nnz for top and Courrent */
mv_pred_t *ps_cur_mv_pred, *ps_top_mv_pred = NULL, *ps_left_mv_pred;
/* deblk_mb_t Params */
deblk_mb_t *ps_cur_mb_params; /*< Parameters of current MacroBlock */
deblkmb_neighbour_t *ps_deblk_top_mb;
/* Reference Index to POC mapping*/
void **apv_map_ref_idx_to_poc;
UWORD32 u4_leftmbtype;
UWORD16 u2_left_csbp, u2_top_csbp, u2_cur_csbp;
/* Set of flags */
UWORD32 u4_cur_mb_intra, u1_top_mb_typ, u4_cur_mb_fld;
UWORD32 u4_cur_mb_ibl;
UWORD32 u1_cur_mb_type;
UWORD32 *pu4_bs_table;
UWORD16 *pu2_curr_res_luma_csbp;
UWORD16 *pu2_left_res_luma_csbp;
UWORD16 *pu2_top_res_luma_csbp;
/* Neighbour availability */
/* Initialization */
const UWORD32 u2_mbx = ps_cur_mb_info->u2_mbx;
const UWORD32 u2_mby = ps_cur_mb_info->u2_mby;
const UWORD32 u1_pingpong = u2_mbx & 0x01;
PROFILE_DISABLE_BOUNDARY_STRENGTH()
ps_deblk_top_mb = ps_dec->ps_deblk_top_mb + u2_mbx;
/* Pointer assignment for Current DeblkMB, Current Mv Pred */
ps_cur_mb_params = ps_dec->ps_deblk_mbn + u2_mbxn_mb;
ps_cur_mv_pred = ps_dec->ps_mv_cur + (u2_mbxn_mb << 4);
/*Pointer assignment for Residual NNZ */
pu2_curr_res_luma_csbp = ps_svc_lyr_dec->pu2_frm_res_luma_csbp + ps_cur_mb_info->u2_mbx;
pu2_curr_res_luma_csbp += ps_cur_mb_info->u2_mby * ps_svc_lyr_dec->i4_frm_res_luma_csbp_stride;
pu2_left_res_luma_csbp = pu2_curr_res_luma_csbp - (ps_cur_mb_info->u2_mbx != 0);
pu2_top_res_luma_csbp = pu2_curr_res_luma_csbp - ((ps_cur_mb_info->u2_mby != 0) *
ps_svc_lyr_dec->i4_frm_res_luma_csbp_stride);
apv_map_ref_idx_to_poc = ps_dec->ppv_map_ref_idx_to_poc + 1;
u1_cur_mb_type = ps_cur_mb_params->u1_mb_type;
u1_top_mb_typ = ps_deblk_top_mb->u1_mb_type;
ps_deblk_top_mb->u1_mb_type = u1_cur_mb_type;
ps_cur_mb_params->u1_topmb_qp = ps_deblk_top_mb->u1_mb_qp;
ps_deblk_top_mb->u1_mb_qp = ps_cur_mb_params->u1_mb_qp;
ps_cur_mb_params->u1_left_mb_qp = ps_dec->deblk_left_mb[1].u1_mb_qp;
ps_dec->deblk_left_mb[1].u1_mb_qp = ps_cur_mb_params->u1_mb_qp;
/* if no deblocking required for current Mb then continue */
/* Check next Mbs in Mb group */
if(ps_cur_mb_params->u1_deblocking_mode & MB_DISABLE_FILTERING)
{
void **pu4_map_ref_idx_to_poc_l1 = apv_map_ref_idx_to_poc + POC_LIST_L0_TO_L1_DIFF;
/* Store Parameter for Top MvPred refernce frame Address */
void **ppv_top_mv_pred_addr = ps_cur_mb_info->ps_curmb->u4_pic_addrress;
WORD8 *p1_refTop0 = (ps_cur_mv_pred + 12)->i1_ref_frame;
WORD8 *p1_refTop1 = (ps_cur_mv_pred + 14)->i1_ref_frame;
/* Store Left addresses for Next Mb */
void **ppv_left_mv_pred_addr = ps_dec->ps_left_mvpred_addr[!u1_pingpong][1].u4_add;
WORD8 *p1_refleft0 = (ps_cur_mv_pred + 3)->i1_ref_frame;
ppv_top_mv_pred_addr[0] = apv_map_ref_idx_to_poc[p1_refTop0[0]];
ppv_top_mv_pred_addr[1] = pu4_map_ref_idx_to_poc_l1[p1_refTop0[1]];
ppv_left_mv_pred_addr[2] = apv_map_ref_idx_to_poc[p1_refTop1[0]];
ppv_top_mv_pred_addr[2] = apv_map_ref_idx_to_poc[p1_refTop1[0]];
ppv_left_mv_pred_addr[3] = pu4_map_ref_idx_to_poc_l1[p1_refTop1[1]];
ppv_top_mv_pred_addr[3] = pu4_map_ref_idx_to_poc_l1[p1_refTop1[1]];
ppv_left_mv_pred_addr[0] = apv_map_ref_idx_to_poc[p1_refleft0[0]];
ppv_left_mv_pred_addr[1] = pu4_map_ref_idx_to_poc_l1[p1_refleft0[1]];
/* Storing the leftMbtype for next Mb */
ps_dec->deblk_left_mb[1].u1_mb_type = ps_cur_mb_params->u1_mb_type;
return;
}
/* Flag for extra left Edge */
ps_cur_mb_params->u1_single_call = 1;
/* Update the Left deblk_mb_t and Left MvPred Parameters */
if(!u2_mbx)
{
u4_leftmbtype = 0;
/* Initialize the ps_left_mv_pred with Junk but Valid Location */
/* to avoid invalid memory access */
/* this is read only pointer */
ps_left_mv_pred = ps_dec->ps_mv_cur + 3;
}
else
{
u4_leftmbtype = ps_dec->deblk_left_mb[1].u1_mb_type;
/* Come to Left Most Edge of the MB */
ps_left_mv_pred =
(u2_mbxn_mb) ? ps_dec->ps_mv_cur + ((u2_mbxn_mb - 1) << 4) + 3 : ps_dec->ps_mv_left + 3;
}
if(!u2_mby) u1_top_mb_typ = 0;
/* MvPred Pointer Calculation */
ps_top_mv_pred = ps_cur_mv_pred - (ps_dec->u2_frm_wd_in_mbs << 4) + 12;
u4_cur_mb_intra = u1_cur_mb_type & D_INTRA_MB;
u4_cur_mb_ibl = u1_cur_mb_type & D_INTRA_IBL;
u4_cur_mb_fld = !!(u1_cur_mb_type & D_FLD_MB);
/* Compute BS function */
pu4_bs_table = ps_cur_mb_params->u4_bs_table;
u2_cur_csbp = ps_cur_mb_info->ps_curmb->u2_luma_csbp;
u2_left_csbp = ps_cur_mb_info->ps_left_mb->u2_luma_csbp;
u2_top_csbp = ps_cur_mb_info->ps_top_mb->u2_luma_csbp;
/* Compute BS function */
if((ps_dec->ps_cur_sps->u1_profile_idc == HIGH_PROFILE_IDC) ||
(ps_dec->ps_cur_sps->u1_profile_idc == SCALABLE_HIGH_PROFILE_IDC) ||
(ps_dec->ps_cur_sps->u1_profile_idc == SCALABLE_BASELINE_PROFILE_IDC))
{
if(ps_cur_mb_info->u1_tran_form8x8 == 1)
{
u2_cur_csbp = ih264d_update_csbp_8x8(ps_cur_mb_info->ps_curmb->u2_luma_csbp);
ps_cur_mb_info->ps_curmb->u2_luma_csbp = u2_cur_csbp;
}
}
u2_cur_csbp |= *pu2_curr_res_luma_csbp;
u2_left_csbp |= *pu2_left_res_luma_csbp;
u2_top_csbp |= *pu2_top_res_luma_csbp;
if(u4_cur_mb_intra)
{
pu4_bs_table[4] = 0x04040404;
pu4_bs_table[0] = u4_cur_mb_fld ? 0x03030303 : 0x04040404;
pu4_bs_table[1] = 0x03030303;
pu4_bs_table[2] = 0x03030303;
pu4_bs_table[3] = 0x03030303;
pu4_bs_table[5] = 0x03030303;
pu4_bs_table[6] = 0x03030303;
pu4_bs_table[7] = 0x03030303;
}
else
{
isvcd_fill_bs_ibl(ps_cur_mb_params, u1_top_mb_typ, u4_leftmbtype, ps_cur_mb_info,
pu2_curr_res_luma_csbp, pu2_left_res_luma_csbp, pu2_top_res_luma_csbp);
if(!u4_cur_mb_ibl)
{
UWORD32 u4_is_non16x16 = !!(u1_cur_mb_type & D_PRED_NON_16x16);
UWORD32 u4_is_b = ps_dec->u1_B;
UWORD32 u4_bs_0, u4_bs_4;
u4_bs_0 = pu4_bs_table[0];
u4_bs_4 = pu4_bs_table[4];
ih264d_fill_bs2_horz_vert(pu4_bs_table, u2_left_csbp, u2_top_csbp, u2_cur_csbp,
(const UWORD32 *) (gau4_ih264d_packed_bs2),
(const UWORD16 *) (gau2_ih264d_4x4_v2h_reorder));
if(u4_leftmbtype & D_INTRA_MB)
{
pu4_bs_table[4] = 0x04040404;
}
else if(u4_leftmbtype & D_INTRA_IBL)
{
pu4_bs_table[4] = u4_bs_4;
}
if(u1_top_mb_typ & D_INTRA_MB)
{
pu4_bs_table[0] = u4_cur_mb_fld ? 0x03030303 : 0x04040404;
}
else if(u1_top_mb_typ & D_INTRA_IBL)
{
pu4_bs_table[0] = u4_bs_0;
}
ps_dec->pf_fill_bs1[u4_is_b][u4_is_non16x16](
ps_cur_mv_pred, ps_top_mv_pred, apv_map_ref_idx_to_poc, pu4_bs_table,
ps_left_mv_pred, &(ps_dec->ps_left_mvpred_addr[u1_pingpong][1]),
ps_cur_mb_info->ps_top_mb->u4_pic_addrress, (4 >> u4_cur_mb_fld));
}
}
{
void **pu4_map_ref_idx_to_poc_l1 = apv_map_ref_idx_to_poc + POC_LIST_L0_TO_L1_DIFF;
/* Store Parameter for Top MvPred refernce frame Address */
void **ppv_top_mv_pred_addr = ps_cur_mb_info->ps_curmb->u4_pic_addrress;
WORD8 *p1_refTop0 = (ps_cur_mv_pred + 12)->i1_ref_frame;
WORD8 *p1_refTop1 = (ps_cur_mv_pred + 14)->i1_ref_frame;
/* Store Left addresses for Next Mb */
void **ppv_left_mv_pred_addr = ps_dec->ps_left_mvpred_addr[!u1_pingpong][1].u4_add;
WORD8 *p1_refleft0 = (ps_cur_mv_pred + 3)->i1_ref_frame;
ppv_top_mv_pred_addr[0] = apv_map_ref_idx_to_poc[p1_refTop0[0]];
ppv_top_mv_pred_addr[1] = pu4_map_ref_idx_to_poc_l1[p1_refTop0[1]];
ppv_left_mv_pred_addr[2] = apv_map_ref_idx_to_poc[p1_refTop1[0]];
ppv_top_mv_pred_addr[2] = apv_map_ref_idx_to_poc[p1_refTop1[0]];
ppv_left_mv_pred_addr[3] = pu4_map_ref_idx_to_poc_l1[p1_refTop1[1]];
ppv_top_mv_pred_addr[3] = pu4_map_ref_idx_to_poc_l1[p1_refTop1[1]];
ppv_left_mv_pred_addr[0] = apv_map_ref_idx_to_poc[p1_refleft0[0]];
ppv_left_mv_pred_addr[1] = pu4_map_ref_idx_to_poc_l1[p1_refleft0[1]];
/* Storing the leftMbtype for next Mb */
ps_dec->deblk_left_mb[1].u1_mb_type = ps_cur_mb_params->u1_mb_type;
}
/* For transform 8x8 disable deblocking of the intrernal edges of a 8x8 block */
if(ps_cur_mb_info->u1_tran_form8x8)
{
pu4_bs_table[1] = 0;
pu4_bs_table[3] = 0;
pu4_bs_table[5] = 0;
pu4_bs_table[7] = 0;
}
}
/*****************************************************************************/
/* */
/* Function Name : isvcd_compute_bs_non_mbaff_medial_lyr */
/* */
/* Description : This function computes the pointers of left,top & current*/
/* : Nnz, MvPred & deblk_mb_t and supplies to FillBs function */
/* : for Boundary Strength Calculation */
/* Inputs : <What inputs does the function take?> */
/* Processing : This functions calls deblock MB in the MB increment order*/
/* */
/* Outputs : Produces the Boundary Strength for Current Mb */
/* Returns : None */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* 06 09 2021 Kishore */
/*****************************************************************************/
void isvcd_compute_bs_non_mbaff_medial_lyr(svc_dec_lyr_struct_t *ps_svc_lyr_dec,
dec_mb_info_t *ps_cur_mb_info, const UWORD16 u2_mbxn_mb)
{
dec_struct_t *ps_dec = &ps_svc_lyr_dec->s_dec;
/* deblk_mb_t Params */
deblk_mb_t *ps_cur_mb_params; /*< Parameters of current MacroBlock */
deblkmb_neighbour_t *ps_deblk_top_mb;
UWORD32 u4_leftmbtype;
UWORD16 u2_cur_csbp;
/* Set of flags */
UWORD32 u4_cur_mb_intra, u1_top_mb_typ, u4_cur_mb_fld;
UWORD32 u1_cur_mb_type;
UWORD32 *pu4_bs_table;
UWORD32 mb_type_intra = 0;
UWORD16 *pu2_curr_res_luma_csbp;
UWORD16 *pu2_left_res_luma_csbp;
UWORD16 *pu2_top_res_luma_csbp;
/* Neighbour availability */
const UWORD32 u2_mbx = ps_cur_mb_info->u2_mbx;
const UWORD32 u2_mby = ps_cur_mb_info->u2_mby;
PROFILE_DISABLE_BOUNDARY_STRENGTH()
ps_deblk_top_mb = ps_dec->ps_deblk_top_mb + u2_mbx;
/* Pointer assignment for Current DeblkMB, Current Mv Pred */
ps_cur_mb_params = ps_dec->ps_deblk_mbn + u2_mbxn_mb;
/*Pointer assignment for Residual NNZ */
pu2_curr_res_luma_csbp = ps_svc_lyr_dec->pu2_frm_res_luma_csbp + ps_cur_mb_info->u2_mbx;
pu2_curr_res_luma_csbp += ps_cur_mb_info->u2_mby * ps_svc_lyr_dec->i4_frm_res_luma_csbp_stride;
pu2_left_res_luma_csbp = pu2_curr_res_luma_csbp - (ps_cur_mb_info->u2_mbx != 0);
pu2_top_res_luma_csbp = pu2_curr_res_luma_csbp - ((ps_cur_mb_info->u2_mby != 0) *
ps_svc_lyr_dec->i4_frm_res_luma_csbp_stride);
u1_cur_mb_type = ps_cur_mb_params->u1_mb_type;
u1_top_mb_typ = ps_deblk_top_mb->u1_mb_type;
ps_deblk_top_mb->u1_mb_type = u1_cur_mb_type;
ps_cur_mb_params->u1_topmb_qp = ps_deblk_top_mb->u1_mb_qp;
ps_deblk_top_mb->u1_mb_qp = ps_cur_mb_params->u1_mb_qp;
ps_cur_mb_params->u1_left_mb_qp = ps_dec->deblk_left_mb[1].u1_mb_qp;
ps_dec->deblk_left_mb[1].u1_mb_qp = ps_cur_mb_params->u1_mb_qp;
/* if no deblocking required for current Mb then continue */
/* Check next Mbs in Mb group */
if(ps_cur_mb_params->u1_deblocking_mode & MB_DISABLE_FILTERING)
{
/* Storing the leftMbtype for next Mb */
ps_dec->deblk_left_mb[1].u1_mb_type = ps_cur_mb_params->u1_mb_type;
return;
}
/* Flag for extra left Edge */
ps_cur_mb_params->u1_single_call = 1;
/* Update the Left deblk_mb_t */
if(!u2_mbx)
{
u4_leftmbtype = 0;
}
else
{
u4_leftmbtype = ps_dec->deblk_left_mb[1].u1_mb_type;
}
if(!u2_mby) u1_top_mb_typ = 0;
u4_cur_mb_intra = u1_cur_mb_type & D_INTRA_MB;
u4_cur_mb_fld = !!(u1_cur_mb_type & D_FLD_MB);
/* Compute BS function */
pu4_bs_table = ps_cur_mb_params->u4_bs_table;
u2_cur_csbp = ps_cur_mb_info->ps_curmb->u2_luma_csbp;
/* Compute BS function */
if((ps_dec->ps_cur_sps->u1_profile_idc == HIGH_PROFILE_IDC) ||
(ps_dec->ps_cur_sps->u1_profile_idc == SCALABLE_HIGH_PROFILE_IDC) ||
(ps_dec->ps_cur_sps->u1_profile_idc == SCALABLE_BASELINE_PROFILE_IDC))
{
if(ps_cur_mb_info->u1_tran_form8x8 == 1)
{
u2_cur_csbp = ih264d_update_csbp_8x8(ps_cur_mb_info->ps_curmb->u2_luma_csbp);
ps_cur_mb_info->ps_curmb->u2_luma_csbp = u2_cur_csbp;
}
}
u2_cur_csbp |= *pu2_curr_res_luma_csbp;
if(u4_cur_mb_intra)
{
pu4_bs_table[4] = 0x04040404;
pu4_bs_table[0] = u4_cur_mb_fld ? 0x03030303 : 0x04040404;
pu4_bs_table[1] = 0x03030303;
pu4_bs_table[2] = 0x03030303;
pu4_bs_table[3] = 0x03030303;
pu4_bs_table[5] = 0x03030303;
pu4_bs_table[6] = 0x03030303;
pu4_bs_table[7] = 0x03030303;
}
else
{
isvcd_fill_bs_ibl(ps_cur_mb_params, u1_top_mb_typ, u4_leftmbtype, ps_cur_mb_info,
pu2_curr_res_luma_csbp, pu2_left_res_luma_csbp, pu2_top_res_luma_csbp);
}
mb_type_intra = (u1_top_mb_typ & D_INTRA_MB) || (u1_top_mb_typ & D_INTRA_IBL);
/* if Top MB or current MB is INTER */
if(!mb_type_intra)
{
pu4_bs_table[0] = 0;
/* disable the processing of top edge */
ps_cur_mb_params->u1_deblocking_mode |= MB_DISABLE_TOP_EDGE;
}
mb_type_intra = (u4_leftmbtype & D_INTRA_MB) || (u4_leftmbtype & D_INTRA_IBL);
/* if Left MB current MB is INTER */
if(!mb_type_intra)
{
pu4_bs_table[4] = 0;
/* disable the processing of left edge */
ps_cur_mb_params->u1_deblocking_mode |= MB_DISABLE_LEFT_EDGE;
}
/* overwrite the BS 0 values for corner cases */
if(0 == u2_mbx)
{
pu4_bs_table[4] = 0;
}
if(0 == u2_mby)
{
pu4_bs_table[0] = 0;
}
/* Storing the leftMbtype for next Mb */
ps_dec->deblk_left_mb[1].u1_mb_type = ps_cur_mb_params->u1_mb_type;
/* For transform 8x8 disable deblocking of the intrernal edges of a 8x8 block */
if(ps_cur_mb_info->u1_tran_form8x8)
{
pu4_bs_table[1] = 0;
pu4_bs_table[3] = 0;
pu4_bs_table[5] = 0;
pu4_bs_table[7] = 0;
}
}
Reference in New Issue Copy Permalink