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gerrit-public.fairphone.software / platform / external / libavc / 1f0ab0b089e357da4ecfec4f105726bfc23af5a0 / . / decoder / ih264d_compute_bs.c
blob: 4a6750a41c90670d20b4ee8c5aa5f5f54c7ebbe3 [file] [log] [blame]
/******************************************************************************
*
* Copyright (C) 2015 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
*/
#include "ih264_typedefs.h"
#include "ih264_macros.h"
#include "ih264_platform_macros.h"
#include "ih264d_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)
{
UWORD16 u2_mod_csbp;
u2_mod_csbp = u2_luma_csbp;
if(u2_mod_csbp & 0x0033)
{
u2_mod_csbp |= 0x0033;
}
if(u2_mod_csbp & 0x00CC)
{
u2_mod_csbp |= 0x00CC;
}
if(u2_mod_csbp & 0x3300)
{
u2_mod_csbp |= 0x3300;
}
if(u2_mod_csbp & 0xCC00)
{
u2_mod_csbp |= 0xCC00;
}
return u2_mod_csbp;
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_fill_bs2_horz_vert */
/* */
/* Description : This function fills boundray strength (=2) for all horz */
/* and vert edges of current mb based on coded sub block */
/* pattern of current, top and left mb */
/* Inputs : */
/* pu4_bs : Base pointer of BS table which gets updated */
/* u4_left_mb_csbp : left mb's coded sub block pattern */
/* u4_top_mb_csbp : top mb's coded sub block pattern */
/* u4_cur_mb_csbp : current mb's coded sub block pattern */
/* */
/* Globals : <Does it use any global variables?> */
/* Processing : */
/* */
/* csbp for each 4x4 block in a mb is bit packet in reverse */
/* raster scan order for each mb as shown below: */
/* 15|14|13|12|11|10|9|8|7|6|5|4|3|2|1|0. */
/* */
/* BS=2 for a 4x4 edge if any of adjacent blocks forming edge */
/* are coded. Keeping this in mind, bs=2 for all horz and vert */
/* edges can be derived using a lookup table for each edge */
/* after "ORing" the csbp values as follows: */
/* (C means current Mb, T means top mb and L means left mb) */
/* */
/* All Horz edges: */
/* 15C|14C|13C|12C|11C|10C|9C|8C|7C|6C|5C|4C|3C |2C |1C |0C */
/* (or with) 11C|10C| 9C| 8C| 7C|6C |5C|4C|3C|2C|1C|0C|15T|14T|13T|12T */
/* -----BS[3]-----|----BS[2]----|---BS[1]---|----BS[0]-----| */
/* */
/* All Vert edges: */
/* 15C|14C|13C|12C|11C|10C|9C| 8C|7C|6C|5C|4C|3C |2C |1C |0C */
/* (or with) 14C|13C|12C|15L|10C| 9C|8C|11L|6C|5C|4C|7L|2C |1C |0C |3L */
/* Do 4x4 transpose of resulting pattern to get vertBS[4]-BS[7] */
/* */
/* Outputs : <What does the function produce?> */
/* Returns : <What does the function return?> */
/* */
/* Issues : <List any issues or problems with this function> */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* 16 10 2008 Jay Draft */
/* */
/*****************************************************************************/
#define CSBP_LEFT_BLOCK_MASK 0x1111
#define CSBP_RIGHT_BLOCK_MASK 0x8888
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)
{
/*************************************************************************/
/*u4_nbr_horz_csbp=11C|10C|9C|8C|7C|6C|5C|4C|3C|2C|1C|0C|15T|14T|13T|12T */
/*************************************************************************/
UWORD32 u4_nbr_horz_csbp = (u4_cur_mb_csbp << 4) | (u4_top_mb_csbp >> 12);
UWORD32 u4_horz_bs2_dec = u4_cur_mb_csbp | u4_nbr_horz_csbp;
/*************************************************************************/
/*u4_left_mb_masked_csbp = 15L|0|0|0|11L|0|0|0|7L|0|0|0|3L|0|0|0 */
/*************************************************************************/
UWORD32 u4_left_mb_masked_csbp = u4_left_mb_csbp & CSBP_RIGHT_BLOCK_MASK;
/*************************************************************************/
/*u4_cur_mb_masked_csbp =14C|13C|12C|x|10C|9C|8C|x|6C|5C|4C|x|2C|1C|0C|x */
/*************************************************************************/
UWORD32 u4_cur_mb_masked_csbp = (u4_cur_mb_csbp << 1)
& (~CSBP_LEFT_BLOCK_MASK);
/*************************************************************************/
/*u4_nbr_vert_csbp=14C|13C|12C|15L|10C|9C|8C|11L|6C|5C|4C|7L|2C|1C|0C|3L */
/*************************************************************************/
UWORD32 u4_nbr_vert_csbp = (u4_cur_mb_masked_csbp)
| (u4_left_mb_masked_csbp >> 3);
UWORD32 u4_vert_bs2_dec = u4_cur_mb_csbp | u4_nbr_vert_csbp;
UWORD32 u4_reordered_vert_bs2_dec, u4_temp;
PROFILE_DISABLE_BOUNDARY_STRENGTH()
/*************************************************************************/
/* Fill horz edges (0,1,2,3) boundary strengths 2 using look up table */
/*************************************************************************/
pu4_bs[0] = pu4_packed_bs2[u4_horz_bs2_dec & 0xF];
pu4_bs[1] = pu4_packed_bs2[(u4_horz_bs2_dec >> 4) & 0xF];
pu4_bs[2] = pu4_packed_bs2[(u4_horz_bs2_dec >> 8) & 0xF];
pu4_bs[3] = pu4_packed_bs2[(u4_horz_bs2_dec >> 12) & 0xF];
/*************************************************************************/
/* Do 4x4 tranpose of u4_vert_bs2_dec by using look up table for reorder */
/*************************************************************************/
u4_reordered_vert_bs2_dec = pu2_4x4_v2h_reorder[u4_vert_bs2_dec & 0xF];
u4_temp = pu2_4x4_v2h_reorder[(u4_vert_bs2_dec >> 4) & 0xF];
u4_reordered_vert_bs2_dec |= (u4_temp << 1);
u4_temp = pu2_4x4_v2h_reorder[(u4_vert_bs2_dec >> 8) & 0xF];
u4_reordered_vert_bs2_dec |= (u4_temp << 2);
u4_temp = pu2_4x4_v2h_reorder[(u4_vert_bs2_dec >> 12) & 0xF];
u4_reordered_vert_bs2_dec |= (u4_temp << 3);
/*************************************************************************/
/* Fill vert edges (4,5,6,7) boundary strengths 2 using look up table */
/*************************************************************************/
pu4_bs[4] = pu4_packed_bs2[u4_reordered_vert_bs2_dec & 0xF];
pu4_bs[5] = pu4_packed_bs2[(u4_reordered_vert_bs2_dec >> 4) & 0xF];
pu4_bs[6] = pu4_packed_bs2[(u4_reordered_vert_bs2_dec >> 8) & 0xF];
pu4_bs[7] = pu4_packed_bs2[(u4_reordered_vert_bs2_dec >> 12) & 0xF];
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_fill_bs1_16x16mb_pslice */
/* */
/* Description : This function fills boundray strength (=1) for those */
/* horz and vert mb edges of 16x16mb which are set to 0 by */
/* ih264d_fill_bs2_horz_vert. This function is used for p slices */
/* */
/* Inputs : <What inputs does the function take?> */
/* Globals : <Does it use any global variables?> */
/* Processing : If any motion vector component of adjacent 4x4 blocks */
/* differs by more than 1 integer pel or if reference */
/* pictures are different, Bs is set to 1. */
/* */
/* Outputs : <What does the function produce?> */
/* Returns : <What does the function return?> */
/* */
/* Issues : <List any issues or problems with this function> */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* 16 10 2008 Jay Draft */
/* */
/*****************************************************************************/
void ih264d_fill_bs1_16x16mb_pslice(mv_pred_t *ps_cur_mv_pred,
mv_pred_t *ps_top_mv_pred,
void **ppv_map_ref_idx_to_poc,
UWORD32 *pu4_bs_table, /* pointer to the BsTable array */
mv_pred_t *ps_leftmost_mv_pred,
neighbouradd_t *ps_left_addr,
void **u4_pic_addrress, /* picture address for BS calc */
WORD32 i4_ver_mvlimit)
{
WORD16 i2_q_mv0, i2_q_mv1;
WORD16 i2_p_mv0, i2_p_mv1;
void *pv_cur_pic_addr0, *pv_cur_pic_addr1;
void *pv_nbr_pic_addr0, *pv_nbr_pic_addr1;
void **ppv_map_ref_idx_to_poc_l0; //,*ppv_map_ref_idx_to_poc_l1;
UWORD32 i;
UWORD32 u4_bs_horz = pu4_bs_table[0];
UWORD32 u4_bs_vert = pu4_bs_table[4];
PROFILE_DISABLE_BOUNDARY_STRENGTH()
ppv_map_ref_idx_to_poc_l0 = ppv_map_ref_idx_to_poc;
i2_q_mv0 = ps_cur_mv_pred->i2_mv[0];
i2_q_mv1 = ps_cur_mv_pred->i2_mv[1];
pv_cur_pic_addr0 = ppv_map_ref_idx_to_poc_l0[ps_cur_mv_pred->i1_ref_frame[0]];
pv_cur_pic_addr1 = 0;
/*********************************/
/* Computing Bs for the top edge */
/*********************************/
for(i = 0; i < 4; i++, ps_top_mv_pred++)
{
UWORD32 u4_idx = 24 - (i << 3);
/*********************************/
/* check if Bs is already set */
/*********************************/
if(!((u4_bs_horz >> u4_idx) & 0xf))
{
/************************************************************/
/* If Bs is not set, use left edge and current edge mvs and */
/* reference pictures addresses to evaluate Bs==1 */
/************************************************************/
UWORD32 u4_bs_temp1;
UWORD32 u4_bs;
/*********************************************************/
/* If any motion vector component differs by more than 1 */
/* integer pel or if reference pictures are different Bs */
/* is set to 1. Note that this condition shall be met for*/
/* both (fwd-fwd,bwd-bwd) and (fwd-bwd,bwd-fwd) direction*/
/*********************************************************/
i2_p_mv0 = ps_top_mv_pred->i2_mv[0];
i2_p_mv1 = ps_top_mv_pred->i2_mv[1];
pv_nbr_pic_addr0 = u4_pic_addrress[i & 2];
pv_nbr_pic_addr1 = u4_pic_addrress[1 + (i & 2)];
u4_bs_temp1 = ((ABS((i2_p_mv0 - i2_q_mv0)) >= 4) ||
(ABS((i2_p_mv1 - i2_q_mv1)) >= i4_ver_mvlimit));
u4_bs = ((pv_cur_pic_addr0 != pv_nbr_pic_addr0)
|| (pv_cur_pic_addr1 != pv_nbr_pic_addr1)
|| u4_bs_temp1);
u4_bs_horz |= (u4_bs << u4_idx);
}
}
pu4_bs_table[0] = u4_bs_horz;
/***********************************/
/* Computing Bs for the left edge */
/***********************************/
for(i = 0; i < 4; i++, ps_leftmost_mv_pred += 4)
{
UWORD32 u4_idx = 24 - (i << 3);
/*********************************/
/* check if Bs is already set */
/*********************************/
if(!((u4_bs_vert >> u4_idx) & 0xf))
{
/****************************************************/
/* If Bs is not set, evalaute conditions for Bs=1 */
/****************************************************/
UWORD32 u4_bs_temp1;
UWORD32 u4_bs;
/*********************************************************/
/* If any motion vector component differs by more than 1 */
/* integer pel or if reference pictures are different Bs */
/* is set to 1. Note that this condition shall be met for*/
/* both (fwd-fwd,bwd-bwd) and (fwd-bwd,bwd-fwd) direction*/
/*********************************************************/
i2_p_mv0 = ps_leftmost_mv_pred->i2_mv[0];
i2_p_mv1 = ps_leftmost_mv_pred->i2_mv[1];
pv_nbr_pic_addr0 = ps_left_addr->u4_add[i & 2];
pv_nbr_pic_addr1 = ps_left_addr->u4_add[1 + (i & 2)];
u4_bs_temp1 =
((ABS((i2_p_mv0 - i2_q_mv0))
>= 4)
| (ABS((i2_p_mv1 - i2_q_mv1))
>= i4_ver_mvlimit));
u4_bs = ((pv_cur_pic_addr0 != pv_nbr_pic_addr0)
|| (pv_cur_pic_addr1 != pv_nbr_pic_addr1)
|| u4_bs_temp1);
u4_bs_vert |= (u4_bs << u4_idx);
}
}
pu4_bs_table[4] = u4_bs_vert;
return;
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_fill_bs1_non16x16mb_pslice */
/* */
/* Description : This function fills boundray strength (=1) for those */
/* horz and vert edges of non16x16mb which are set to 0 by */
/* ih264d_fill_bs2_horz_vert. This function is used for p slices */
/* */
/* Inputs : <What inputs does the function take?> */
/* Globals : <Does it use any global variables?> */
/* Processing : If any motion vector component of adjacent 4x4 blocks */
/* differs by more than 1 integer pel or if reference */
/* pictures are different, Bs is set to 1. */
/* */
/* Outputs : <What does the function produce?> */
/* Returns : <What does the function return?> */
/* */
/* Issues : <List any issues or problems with this function> */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* 16 10 2008 Jay Draft */
/* */
/*****************************************************************************/
void ih264d_fill_bs1_non16x16mb_pslice(mv_pred_t *ps_cur_mv_pred,
mv_pred_t *ps_top_mv_pred,
void **ppv_map_ref_idx_to_poc,
UWORD32 *pu4_bs_table, /* pointer to the BsTable array */
mv_pred_t *ps_leftmost_mv_pred,
neighbouradd_t *ps_left_addr,
void **u4_pic_addrress,
WORD32 i4_ver_mvlimit)
{
UWORD32 edge;
void **ppv_map_ref_idx_to_poc_l0; //,*ppv_map_ref_idx_to_poc_l1;
PROFILE_DISABLE_BOUNDARY_STRENGTH()
ppv_map_ref_idx_to_poc_l0 = ppv_map_ref_idx_to_poc;
for(edge = 0; edge < 4; edge++, ps_top_mv_pred = ps_cur_mv_pred - 4)
{
/*********************************************************************/
/* Each iteration of this loop fills the four BS values of one HORIZ */
/* edge and one BS value for each of the four VERT edges. */
/*********************************************************************/
WORD32 i;
UWORD32 u4_vert_idx = 24 - (edge << 3);
UWORD32 u4_bs_horz = pu4_bs_table[edge];
mv_pred_t *ps_left_mv_pred = ps_leftmost_mv_pred + (edge << 2);
for(i = 0; i < 4; i++, ps_top_mv_pred++, ps_cur_mv_pred++)
{
WORD16 i2_cur_mv0, i2_cur_mv1;
WORD8 i1_cur_ref0;
void *pv_cur_pic_addr0, *pv_cur_pic_addr1 = 0;
void *pv_nbr_pic_addr0, *pv_nbr_pic_addr1;
/******************************************************/
/* Each iteration of this inner loop computes a HORIZ */
/* and a VERT BS value for a 4x4 block */
/******************************************************/
UWORD32 u4_bs_vert = (pu4_bs_table[i + 4] >> u4_vert_idx) & 0xf;
UWORD32 u4_horz_idx = 24 - (i << 3);
/*****************************************************/
/* check if vert Bs for this block is already set */
/*****************************************************/
if(!u4_bs_vert)
{
WORD16 i2_left_mv0, i2_left_mv1;
/************************************************************/
/* If Bs is not set, use left edge and current edge mvs and */
/* reference pictures addresses to evaluate Bs==1 */
/************************************************************/
i2_left_mv0 = ps_left_mv_pred->i2_mv[0];
i2_left_mv1 = ps_left_mv_pred->i2_mv[1];
i2_cur_mv0 = ps_cur_mv_pred->i2_mv[0];
i2_cur_mv1 = ps_cur_mv_pred->i2_mv[1];
i1_cur_ref0 = ps_cur_mv_pred->i1_ref_frame[0];
pv_cur_pic_addr0 = ppv_map_ref_idx_to_poc_l0[i1_cur_ref0];
if(i)
{
WORD8 i1_left_ref0 = ps_left_mv_pred->i1_ref_frame[0];
pv_nbr_pic_addr0 = ppv_map_ref_idx_to_poc_l0[i1_left_ref0];
pv_nbr_pic_addr1 = 0;
}
else
{
pv_nbr_pic_addr0 = ps_left_addr->u4_add[edge & 2];
pv_nbr_pic_addr1 = ps_left_addr->u4_add[1 + (edge & 2)];
}
{
UWORD32 u4_bs_temp1;
/*********************************************************/
/* If any motion vector component differs by more than 1 */
/* integer pel or if reference pictures are different Bs */
/* is set to 1. Note that this condition shall be met for*/
/* both (fwd-fwd,bwd-bwd) and (fwd-bwd,bwd-fwd) direction*/
/*********************************************************/
u4_bs_temp1 =
((ABS((i2_left_mv0 - i2_cur_mv0))
>= 4)
| (ABS((i2_left_mv1
- i2_cur_mv1))
>= i4_ver_mvlimit));
u4_bs_vert = ((pv_nbr_pic_addr0 != pv_cur_pic_addr0)
|| (pv_nbr_pic_addr1 != pv_cur_pic_addr1)
|| u4_bs_temp1);
pu4_bs_table[i + 4] |= (u4_bs_vert << u4_vert_idx);
}
}
/*****************************************************/
/* check if horz Bs for this block is already set */
/*****************************************************/
if(!((u4_bs_horz >> u4_horz_idx) & 0xf))
{
WORD16 i2_top_mv0, i2_top_mv1;
/************************************************************/
/* If Bs is not set, use top edge and current edge mvs and */
/* reference pictures addresses to evaluate Bs==1 */
/************************************************************/
i2_cur_mv0 = ps_cur_mv_pred->i2_mv[0];
i2_cur_mv1 = ps_cur_mv_pred->i2_mv[1];
i1_cur_ref0 = ps_cur_mv_pred->i1_ref_frame[0];
i2_top_mv0 = ps_top_mv_pred->i2_mv[0];
i2_top_mv1 = ps_top_mv_pred->i2_mv[1];
pv_cur_pic_addr0 = ppv_map_ref_idx_to_poc_l0[i1_cur_ref0];
if(edge)
{
WORD8 i1_top_ref0 = ps_top_mv_pred->i1_ref_frame[0];
pv_nbr_pic_addr0 = ppv_map_ref_idx_to_poc_l0[i1_top_ref0];
pv_nbr_pic_addr1 = 0;
}
else
{
pv_nbr_pic_addr0 = u4_pic_addrress[i & 2];
pv_nbr_pic_addr1 = u4_pic_addrress[1 + (i & 2)];
}
{
UWORD32 u4_bs_temp1;
UWORD32 u4_bs;
/*********************************************************/
/* If any motion vector component differs by more than 1 */
/* integer pel or if reference pictures are different Bs */
/* is set to 1. Note that this condition shall be met for*/
/* both (fwd-fwd,bwd-bwd) and (fwd-bwd,bwd-fwd) direction*/
/*********************************************************/
u4_bs_temp1 =
((ABS((i2_top_mv0 - i2_cur_mv0))
>= 4)
| (ABS((i2_top_mv1
- i2_cur_mv1))
>= i4_ver_mvlimit));
u4_bs = ((pv_nbr_pic_addr0 != pv_cur_pic_addr0)
|| (pv_nbr_pic_addr1 != pv_cur_pic_addr1)
|| u4_bs_temp1);
u4_bs_horz |= (u4_bs << u4_horz_idx);
}
}
ps_left_mv_pred = ps_cur_mv_pred;
}
pu4_bs_table[edge] = u4_bs_horz;
}
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_fill_bs1_16x16mb_bslice */
/* */
/* Description : This function fills boundray strength (=1) for those */
/* horz and vert mb edges of 16x16mb which are set to 0 by */
/* ih264d_fill_bs2_horz_vert. This function is used for b slices */
/* */
/* Inputs : <What inputs does the function take?> */
/* Globals : <Does it use any global variables?> */
/* Processing : If any motion vector component of adjacent 4x4 blocks */
/* differs by more than 1 integer pel or if reference */
/* pictures are different, Bs is set to 1. */
/* */
/* Outputs : <What does the function produce?> */
/* Returns : <What does the function return?> */
/* */
/* Issues : <List any issues or problems with this function> */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* 16 10 2008 Jay Draft */
/* */
/*****************************************************************************/
void ih264d_fill_bs1_16x16mb_bslice(mv_pred_t *ps_cur_mv_pred,
mv_pred_t *ps_top_mv_pred,
void **ppv_map_ref_idx_to_poc,
UWORD32 *pu4_bs_table, /* pointer to the BsTable array */
mv_pred_t *ps_leftmost_mv_pred,
neighbouradd_t *ps_left_addr,
void **u4_pic_addrress,
WORD32 i4_ver_mvlimit)
{
WORD16 i2_q_mv0, i2_q_mv1, i2_q_mv2, i2_q_mv3;
WORD16 i2_p_mv0, i2_p_mv1, i2_p_mv2, i2_p_mv3;
void *pv_cur_pic_addr0, *pv_cur_pic_addr1;
void *pv_nbr_pic_addr0, *pv_nbr_pic_addr1;
void **ppv_map_ref_idx_to_poc_l0, **ppv_map_ref_idx_to_poc_l1;
UWORD32 i;
UWORD32 u4_bs_horz = pu4_bs_table[0];
UWORD32 u4_bs_vert = pu4_bs_table[4];
PROFILE_DISABLE_BOUNDARY_STRENGTH()
ppv_map_ref_idx_to_poc_l0 = ppv_map_ref_idx_to_poc;
ppv_map_ref_idx_to_poc_l1 = ppv_map_ref_idx_to_poc + POC_LIST_L0_TO_L1_DIFF;
i2_q_mv0 = ps_cur_mv_pred->i2_mv[0];
i2_q_mv1 = ps_cur_mv_pred->i2_mv[1];
i2_q_mv2 = ps_cur_mv_pred->i2_mv[2];
i2_q_mv3 = ps_cur_mv_pred->i2_mv[3];
pv_cur_pic_addr0 = ppv_map_ref_idx_to_poc_l0[ps_cur_mv_pred->i1_ref_frame[0]];
pv_cur_pic_addr1 = ppv_map_ref_idx_to_poc_l1[ps_cur_mv_pred->i1_ref_frame[1]];
/*********************************/
/* Computing Bs for the top edge */
/*********************************/
for(i = 0; i < 4; i++, ps_top_mv_pred++)
{
UWORD32 u4_idx = 24 - (i << 3);
/*********************************/
/* check if Bs is already set */
/*********************************/
if(!((u4_bs_horz >> u4_idx) & 0xf))
{
/************************************************************/
/* If Bs is not set, use left edge and current edge mvs and */
/* reference pictures addresses to evaluate Bs==1 */
/************************************************************/
UWORD32 u4_bs_temp1, u4_bs_temp2;
UWORD32 u4_bs;
/*********************************************************/
/* If any motion vector component differs by more than 1 */
/* integer pel or if reference pictures are different Bs */
/* is set to 1. Note that this condition shall be met for*/
/* both (fwd-fwd,bwd-bwd) and (fwd-bwd,bwd-fwd) direction*/
/*********************************************************/
i2_p_mv0 = ps_top_mv_pred->i2_mv[0];
i2_p_mv1 = ps_top_mv_pred->i2_mv[1];
i2_p_mv2 = ps_top_mv_pred->i2_mv[2];
i2_p_mv3 = ps_top_mv_pred->i2_mv[3];
pv_nbr_pic_addr0 = u4_pic_addrress[i & 2];
pv_nbr_pic_addr1 = u4_pic_addrress[1 + (i & 2)];
u4_bs_temp1 =
((ABS((i2_p_mv0 - i2_q_mv0))
>= 4)
| (ABS((i2_p_mv1 - i2_q_mv1))
>= i4_ver_mvlimit)
| (ABS((i2_p_mv2 - i2_q_mv2))
>= 4)
| (ABS((i2_p_mv3 - i2_q_mv3))
>= i4_ver_mvlimit));
u4_bs_temp2 =
((ABS((i2_p_mv0 - i2_q_mv2))
>= 4)
| (ABS((i2_p_mv1 - i2_q_mv3))
>= i4_ver_mvlimit)
| (ABS((i2_p_mv2 - i2_q_mv0))
>= 4)
| (ABS((i2_p_mv3 - i2_q_mv1))
>= i4_ver_mvlimit));
u4_bs = ((pv_cur_pic_addr0 != pv_nbr_pic_addr0)
|| (pv_cur_pic_addr1 != pv_nbr_pic_addr1)
|| u4_bs_temp1)
&& ((pv_cur_pic_addr0 != pv_nbr_pic_addr1)
|| (pv_cur_pic_addr1
!= pv_nbr_pic_addr0)
|| u4_bs_temp2);
u4_bs_horz |= (u4_bs << u4_idx);
}
}
pu4_bs_table[0] = u4_bs_horz;
/***********************************/
/* Computing Bs for the left edge */
/***********************************/
for(i = 0; i < 4; i++, ps_leftmost_mv_pred += 4)
{
UWORD32 u4_idx = 24 - (i << 3);
/*********************************/
/* check if Bs is already set */
/*********************************/
if(!((u4_bs_vert >> u4_idx) & 0xf))
{
/****************************************************/
/* If Bs is not set, evalaute conditions for Bs=1 */
/****************************************************/
UWORD32 u4_bs_temp1, u4_bs_temp2;
UWORD32 u4_bs;
/*********************************************************/
/* If any motion vector component differs by more than 1 */
/* integer pel or if reference pictures are different Bs */
/* is set to 1. Note that this condition shall be met for*/
/* both (fwd-fwd,bwd-bwd) and (fwd-bwd,bwd-fwd) direction*/
/*********************************************************/
i2_p_mv0 = ps_leftmost_mv_pred->i2_mv[0];
i2_p_mv1 = ps_leftmost_mv_pred->i2_mv[1];
i2_p_mv2 = ps_leftmost_mv_pred->i2_mv[2];
i2_p_mv3 = ps_leftmost_mv_pred->i2_mv[3];
pv_nbr_pic_addr0 = ps_left_addr->u4_add[i & 2];
pv_nbr_pic_addr1 = ps_left_addr->u4_add[1 + (i & 2)];
u4_bs_temp1 =
((ABS((i2_p_mv0 - i2_q_mv0))
>= 4)
| (ABS((i2_p_mv1 - i2_q_mv1))
>= i4_ver_mvlimit)
| (ABS((i2_p_mv2 - i2_q_mv2))
>= 4)
| (ABS((i2_p_mv3 - i2_q_mv3))
>= i4_ver_mvlimit));
u4_bs_temp2 =
((ABS((i2_p_mv0 - i2_q_mv2))
>= 4)
| (ABS((i2_p_mv1 - i2_q_mv3))
>= i4_ver_mvlimit)
| (ABS((i2_p_mv2 - i2_q_mv0))
>= 4)
| (ABS((i2_p_mv3 - i2_q_mv1))
>= i4_ver_mvlimit));
u4_bs = ((pv_cur_pic_addr0 != pv_nbr_pic_addr0)
|| (pv_cur_pic_addr1 != pv_nbr_pic_addr1)
|| u4_bs_temp1)
&& ((pv_cur_pic_addr0 != pv_nbr_pic_addr1)
|| (pv_cur_pic_addr1
!= pv_nbr_pic_addr0)
|| u4_bs_temp2);
u4_bs_vert |= (u4_bs << u4_idx);
}
}
pu4_bs_table[4] = u4_bs_vert;
return;
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_fill_bs1_non16x16mb_bslice */
/* */
/* Description : This function fills boundray strength (=1) for those */
/* horz and vert edges of non16x16mb which are set to 0 by */
/* ih264d_fill_bs2_horz_vert. This function is used for b slices */
/* */
/* Inputs : <What inputs does the function take?> */
/* Globals : <Does it use any global variables?> */
/* Processing : If any motion vector component of adjacent 4x4 blocks */
/* differs by more than 1 integer pel or if reference */
/* pictures are different, Bs is set to 1. */
/* */
/* Outputs : <What does the function produce?> */
/* Returns : <What does the function return?> */
/* */
/* Issues : <List any issues or problems with this function> */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* 16 10 2008 Jay Draft */
/* */
/*****************************************************************************/
void ih264d_fill_bs1_non16x16mb_bslice(mv_pred_t *ps_cur_mv_pred,
mv_pred_t *ps_top_mv_pred,
void **ppv_map_ref_idx_to_poc,
UWORD32 *pu4_bs_table, /* pointer to the BsTable array */
mv_pred_t *ps_leftmost_mv_pred,
neighbouradd_t *ps_left_addr,
void **u4_pic_addrress,
WORD32 i4_ver_mvlimit)
{
UWORD32 edge;
void **ppv_map_ref_idx_to_poc_l0, **ppv_map_ref_idx_to_poc_l1;
ppv_map_ref_idx_to_poc_l0 = ppv_map_ref_idx_to_poc;
ppv_map_ref_idx_to_poc_l1 = ppv_map_ref_idx_to_poc + POC_LIST_L0_TO_L1_DIFF;
PROFILE_DISABLE_BOUNDARY_STRENGTH()
for(edge = 0; edge < 4; edge++, ps_top_mv_pred = ps_cur_mv_pred - 4)
{
/*********************************************************************/
/* Each iteration of this loop fills the four BS values of one HORIZ */
/* edge and one BS value for each of the four VERT edges. */
/*********************************************************************/
WORD32 i;
UWORD32 u4_vert_idx = 24 - (edge << 3);
UWORD32 u4_bs_horz = pu4_bs_table[edge];
mv_pred_t *ps_left_mv_pred = ps_leftmost_mv_pred + (edge << 2);
for(i = 0; i < 4; i++, ps_top_mv_pred++, ps_cur_mv_pred++)
{
WORD16 i2_cur_mv0, i2_cur_mv1, i16_curMv2, i16_curMv3;
WORD8 i1_cur_ref0, i1_cur_ref1;
void *pv_cur_pic_addr0, *pv_cur_pic_addr1;
void *pv_nbr_pic_addr0, *pv_nbr_pic_addr1;
/******************************************************/
/* Each iteration of this inner loop computes a HORIZ */
/* and a VERT BS value for a 4x4 block */
/******************************************************/
UWORD32 u4_bs_vert = (pu4_bs_table[i + 4] >> u4_vert_idx) & 0xf;
UWORD32 u4_horz_idx = 24 - (i << 3);
/*****************************************************/
/* check if vert Bs for this block is already set */
/*****************************************************/
if(!u4_bs_vert)
{
WORD16 i2_left_mv0, i2_left_mv1, i2_left_mv2, i2_left_mv3;
/************************************************************/
/* If Bs is not set, use left edge and current edge mvs and */
/* reference pictures addresses to evaluate Bs==1 */
/************************************************************/
i2_left_mv0 = ps_left_mv_pred->i2_mv[0];
i2_left_mv1 = ps_left_mv_pred->i2_mv[1];
i2_left_mv2 = ps_left_mv_pred->i2_mv[2];
i2_left_mv3 = ps_left_mv_pred->i2_mv[3];
i2_cur_mv0 = ps_cur_mv_pred->i2_mv[0];
i2_cur_mv1 = ps_cur_mv_pred->i2_mv[1];
i16_curMv2 = ps_cur_mv_pred->i2_mv[2];
i16_curMv3 = ps_cur_mv_pred->i2_mv[3];
i1_cur_ref0 = ps_cur_mv_pred->i1_ref_frame[0];
i1_cur_ref1 = ps_cur_mv_pred->i1_ref_frame[1];
pv_cur_pic_addr0 = ppv_map_ref_idx_to_poc_l0[i1_cur_ref0];
pv_cur_pic_addr1 = ppv_map_ref_idx_to_poc_l1[i1_cur_ref1];
if(i)
{
WORD8 i1_left_ref0, i1_left_ref1;
i1_left_ref0 = ps_left_mv_pred->i1_ref_frame[0];
i1_left_ref1 = ps_left_mv_pred->i1_ref_frame[1];
pv_nbr_pic_addr0 = ppv_map_ref_idx_to_poc_l0[i1_left_ref0];
pv_nbr_pic_addr1 = ppv_map_ref_idx_to_poc_l1[i1_left_ref1];
}
else
{
pv_nbr_pic_addr0 = ps_left_addr->u4_add[edge & 2];
pv_nbr_pic_addr1 = ps_left_addr->u4_add[1 + (edge & 2)];
}
{
UWORD32 u4_bs_temp1, u4_bs_temp2;
/*********************************************************/
/* If any motion vector component differs by more than 1 */
/* integer pel or if reference pictures are different Bs */
/* is set to 1. Note that this condition shall be met for*/
/* both (fwd-fwd,bwd-bwd) and (fwd-bwd,bwd-fwd) direction*/
/*********************************************************/
u4_bs_temp1 =
((ABS((i2_left_mv0 - i2_cur_mv0))
>= 4)
| (ABS((i2_left_mv1
- i2_cur_mv1))
>= i4_ver_mvlimit)
| (ABS((i2_left_mv2
- i16_curMv2))
>= 4)
| (ABS((i2_left_mv3
- i16_curMv3))
>= i4_ver_mvlimit));
u4_bs_temp2 =
((ABS((i2_left_mv0 - i16_curMv2))
>= 4)
| (ABS((i2_left_mv1
- i16_curMv3))
>= i4_ver_mvlimit)
| (ABS((i2_left_mv2
- i2_cur_mv0))
>= 4)
| (ABS((i2_left_mv3
- i2_cur_mv1))
>= i4_ver_mvlimit));
u4_bs_vert =
((pv_nbr_pic_addr0 != pv_cur_pic_addr0)
|| (pv_nbr_pic_addr1
!= pv_cur_pic_addr1)
|| u4_bs_temp1)
&& ((pv_nbr_pic_addr0
!= pv_cur_pic_addr1)
|| (pv_nbr_pic_addr1
!= pv_cur_pic_addr0)
|| u4_bs_temp2);
pu4_bs_table[i + 4] |= (u4_bs_vert << u4_vert_idx);
}
}
/*****************************************************/
/* check if horz Bs for this block is already set */
/*****************************************************/
if(!((u4_bs_horz >> u4_horz_idx) & 0xf))
{
WORD16 i2_top_mv0, i2_top_mv1, i16_topMv2, i16_topMv3;
/************************************************************/
/* If Bs is not set, use top edge and current edge mvs and */
/* reference pictures addresses to evaluate Bs==1 */
/************************************************************/
i2_cur_mv0 = ps_cur_mv_pred->i2_mv[0];
i2_cur_mv1 = ps_cur_mv_pred->i2_mv[1];
i16_curMv2 = ps_cur_mv_pred->i2_mv[2];
i16_curMv3 = ps_cur_mv_pred->i2_mv[3];
i1_cur_ref0 = ps_cur_mv_pred->i1_ref_frame[0];
i1_cur_ref1 = ps_cur_mv_pred->i1_ref_frame[1];
i2_top_mv0 = ps_top_mv_pred->i2_mv[0];
i2_top_mv1 = ps_top_mv_pred->i2_mv[1];
i16_topMv2 = ps_top_mv_pred->i2_mv[2];
i16_topMv3 = ps_top_mv_pred->i2_mv[3];
pv_cur_pic_addr0 = ppv_map_ref_idx_to_poc_l0[i1_cur_ref0];
pv_cur_pic_addr1 = ppv_map_ref_idx_to_poc_l1[i1_cur_ref1];
if(edge)
{
WORD8 i1_top_ref0, i1_top_ref1;
i1_top_ref0 = ps_top_mv_pred->i1_ref_frame[0];
i1_top_ref1 = ps_top_mv_pred->i1_ref_frame[1];
pv_nbr_pic_addr0 = ppv_map_ref_idx_to_poc_l0[i1_top_ref0];
pv_nbr_pic_addr1 = ppv_map_ref_idx_to_poc_l1[i1_top_ref1];
}
else
{
pv_nbr_pic_addr0 = u4_pic_addrress[i & 2];
pv_nbr_pic_addr1 = u4_pic_addrress[1 + (i & 2)];
}
{
UWORD32 u4_bs_temp1, u4_bs_temp2;
UWORD32 u4_bs;
/*********************************************************/
/* If any motion vector component differs by more than 1 */
/* integer pel or if reference pictures are different Bs */
/* is set to 1. Note that this condition shall be met for*/
/* both (fwd-fwd,bwd-bwd) and (fwd-bwd,bwd-fwd) direction*/
/*********************************************************/
u4_bs_temp1 =
((ABS((i2_top_mv0 - i2_cur_mv0))
>= 4)
| (ABS((i2_top_mv1
- i2_cur_mv1))
>= i4_ver_mvlimit)
| (ABS((i16_topMv2
- i16_curMv2))
>= 4)
| (ABS((i16_topMv3
- i16_curMv3))
>= i4_ver_mvlimit));
u4_bs_temp2 =
((ABS((i2_top_mv0 - i16_curMv2))
>= 4)
| (ABS((i2_top_mv1
- i16_curMv3))
>= i4_ver_mvlimit)
| (ABS((i16_topMv2
- i2_cur_mv0))
>= 4)
| (ABS((i16_topMv3
- i2_cur_mv1))
>= i4_ver_mvlimit));
u4_bs =
((pv_nbr_pic_addr0 != pv_cur_pic_addr0)
|| (pv_nbr_pic_addr1
!= pv_cur_pic_addr1)
|| u4_bs_temp1)
&& ((pv_nbr_pic_addr0
!= pv_cur_pic_addr1)
|| (pv_nbr_pic_addr1
!= pv_cur_pic_addr0)
|| u4_bs_temp2);
u4_bs_horz |= (u4_bs << u4_horz_idx);
}
}
ps_left_mv_pred = ps_cur_mv_pred;
}
pu4_bs_table[edge] = u4_bs_horz;
}
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_fill_bs_xtra_left_edge_cur_fld */
/* */
/* Description : This function fills boundray strength (= 2 or 1) for */
/* xtra left mb edge when cur mb is field and left mb is */
/* frame. */
/* Inputs : */
/* */
/* Globals : <Does it use any global variables?> */
/* Processing : */
/* */
/* */
/* Outputs : <What does the function produce?> */
/* Returns : <What does the function return?> */
/* */
/* Issues : <List any issues or problems with this function> */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* 16 10 2008 Jay Draft */
/* */
/*****************************************************************************/
void ih264d_fill_bs_xtra_left_edge_cur_fld(UWORD32 *pu4_bs, /* Base pointer of BS table */
WORD32 u4_left_mb_t_csbp, /* left mbpair's top csbp */
WORD32 u4_left_mb_b_csbp, /* left mbpair's bottom csbp*/
WORD32 u4_cur_mb_csbp, /* csbp of current mb */
UWORD32 u4_cur_mb_top /* is top or bottom mb */
)
{
const UWORD32 *pu4_packed_bs = (const UWORD32 *)gau4_ih264d_packed_bs2;
UWORD32 u4_cur, u4_left, u4_or;
UNUSED(u4_cur_mb_top);
PROFILE_DISABLE_BOUNDARY_STRENGTH()
u4_left_mb_t_csbp = ((u4_left_mb_t_csbp & 0x0008) >> 3)
+ ((u4_left_mb_t_csbp & 0x0080) >> 6)
+ ((u4_left_mb_t_csbp & 0x0800) >> 9)
+ ((u4_left_mb_t_csbp & 0x8000) >> 12);
u4_left_mb_b_csbp = ((u4_left_mb_b_csbp & 0x0008) << 1)
+ ((u4_left_mb_b_csbp & 0x0080) >> 2)
+ ((u4_left_mb_b_csbp & 0x0800) >> 5)
+ ((u4_left_mb_b_csbp & 0x8000) >> 8);
/*********************************************************************/
/* u4_cur = 0|0|0|0|0|0|0|0|12C|12C|8C|8C|4C|4C|0C|0C */
/*********************************************************************/
u4_cur = (u4_cur_mb_csbp & 0x0001) + ((u4_cur_mb_csbp & 0x0001) << 1)
+ ((u4_cur_mb_csbp & 0x0010) >> 2)
+ ((u4_cur_mb_csbp & 0x0010) >> 1)
+ ((u4_cur_mb_csbp & 0x0100) >> 4)
+ ((u4_cur_mb_csbp & 0x0100) >> 3)
+ ((u4_cur_mb_csbp & 0x1000) >> 6)
+ ((u4_cur_mb_csbp & 0x1000) >> 5);
/*********************************************************************/
/* u4_left =0|0|0|0|0|0|0|0|15Lb|11Lb|7Lb|3Lb|15Lt|11Lt|7Lt|3Lt */
/*********************************************************************/
u4_left = u4_left_mb_t_csbp + u4_left_mb_b_csbp;
u4_or = (u4_cur | u4_left);
/*********************************************************************/
/* Fill vert edges (4,9) boundary strengths using look up table */
/*********************************************************************/
pu4_packed_bs += 16;
pu4_bs[4] = pu4_packed_bs[u4_or & 0xF];
pu4_bs[9] = pu4_packed_bs[(u4_or >> 4)];
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_fill_bs_xtra_left_edge_cur_frm */
/* */
/* Description : This function fills boundray strength (= 2 or 1) for */
/* xtra left mb edge when cur mb is frame and left mb is */
/* field. */
/* Inputs : */
/* */
/* Globals : <Does it use any global variables?> */
/* Processing : */
/* */
/* */
/* Outputs : <What does the function produce?> */
/* Returns : <What does the function return?> */
/* */
/* Issues : <List any issues or problems with this function> */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* 16 10 2008 Jay Draft */
/* */
/*****************************************************************************/
void ih264d_fill_bs_xtra_left_edge_cur_frm(UWORD32 *pu4_bs, /* Base pointer of BS table */
WORD32 u4_left_mb_t_csbp, /* left mbpair's top csbp */
WORD32 u4_left_mb_b_csbp, /* left mbpair's bottom csbp*/
WORD32 u4_cur_mb_csbp, /* csbp of current mb */
UWORD32 u4_cur_mb_bot /* is top or bottom mb */
)
{
const UWORD32 *pu4_packed_bs = (const UWORD32 *)gau4_ih264d_packed_bs2;
UWORD32 u4_cur, u4_left, u4_or;
UWORD32 u4_right_shift = (u4_cur_mb_bot << 3);
PROFILE_DISABLE_BOUNDARY_STRENGTH()
u4_left_mb_t_csbp >>= u4_right_shift;
u4_left_mb_b_csbp >>= u4_right_shift;
u4_left_mb_t_csbp = ((u4_left_mb_t_csbp & 0x08) >> 3)
+ ((u4_left_mb_t_csbp & 0x08) >> 2)
+ ((u4_left_mb_t_csbp & 0x80) >> 5)
+ ((u4_left_mb_t_csbp & 0x80) >> 4);
u4_left_mb_b_csbp = ((u4_left_mb_b_csbp & 0x08) << 1)
+ ((u4_left_mb_b_csbp & 0x08) << 2)
+ ((u4_left_mb_b_csbp & 0x80) >> 1)
+ ((u4_left_mb_b_csbp & 0x80));
u4_cur = ((u4_cur_mb_csbp & 0x0001)) + ((u4_cur_mb_csbp & 0x0010) >> 3)
+ ((u4_cur_mb_csbp & 0x0100) >> 6)
+ ((u4_cur_mb_csbp & 0x1000) >> 9);
u4_cur += (u4_cur << 4);
u4_left = u4_left_mb_t_csbp + u4_left_mb_b_csbp;
u4_or = (u4_cur | u4_left);
/*********************************************************************/
/* Fill vert edges (4,9) boundary strengths using look up table */
/*********************************************************************/
pu4_packed_bs += 16;
pu4_bs[4] = pu4_packed_bs[u4_or & 0xF];
pu4_bs[9] = pu4_packed_bs[(u4_or >> 4)];
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_fill_bs_xtra_top_edge */
/* */
/* Description : This function fills boundray strength (= 2 or 1) for */
/* xtra top mb edge when cur mb is top mb of frame mb pair */
/* and top mbpair is field coded. */
/* Inputs : */
/* */
/* Globals : <Does it use any global variables?> */
/* Processing : */
/* */
/* */
/* Outputs : <What does the function produce?> */
/* Returns : <What does the function return?> */
/* */
/* Issues : <List any issues or problems with this function> */
/* */
/* Revision History: */
/* */
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
/* 16 10 2008 Jay Draft */
/* */
/*****************************************************************************/
void ih264d_fill_bs_xtra_top_edge(UWORD32 *pu4_bs, /* Base pointer of BS table */
WORD32 u4_topmb_t_csbp, /* top mbpair's top csbp */
WORD32 u4_topmb_b_csbp, /* top mbpair's bottom csbp*/
WORD32 u4_cur_mb_csbp /* csbp of current mb */
)
{
const UWORD32 *pu4_packed_bs = (const UWORD32 *)gau4_ih264d_packed_bs2;
UWORD32 u4_or;
u4_cur_mb_csbp &= 0xf;
u4_topmb_t_csbp >>= 12;
u4_topmb_b_csbp >>= 12;
u4_or = (u4_cur_mb_csbp | u4_topmb_t_csbp);
/*********************************************************************/
/* Fill vert edges (0,8) boundary strengths using look up table */
/*********************************************************************/
pu4_packed_bs += 16;
pu4_bs[8] = pu4_packed_bs[u4_or];
u4_or = (u4_cur_mb_csbp | u4_topmb_b_csbp);
pu4_bs[0] = pu4_packed_bs[u4_or];
}
/*****************************************************************************/
/* */
/* Function Name : ih264d_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) */
/* ITTIAM */
/*****************************************************************************/
void ih264d_compute_bs_non_mbaff(dec_struct_t * ps_dec,
dec_mb_info_t * ps_cur_mb_info,
const UWORD16 u2_mbxn_mb)
{
/* 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;
{
UWORD8 mb_qp_temp;
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 */
/* CHANGED CODE */
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)
{
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 : ih264d_compute_bs_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) */
/* ITTIAM */
/*****************************************************************************/
void ih264d_compute_bs_mbaff(dec_struct_t * ps_dec,
dec_mb_info_t * ps_cur_mb_info,
const UWORD16 u2_mbxn_mb)
{
/* 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 */
neighbouradd_t * ps_left_ngbr;
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, u4_cur_mb_fld, u4_top_mb_fld, u1_top_mb_typ, u4_left_mb_fld;
UWORD32 u1_cur_mb_type;
UWORD32 * pu4_bs_table;
const UWORD32 u4_bot_mb = (1 - ps_cur_mb_info->u1_topmb);
/* Initialization */
const UWORD32 u2_mbx = ps_cur_mb_info->u2_mbx;
const UWORD32 u2_mby = ps_cur_mb_info->u2_mby;
/* Load From u1_pingpong and Store in !u1_pingpong */
const UWORD32 u1_pingpong = u2_mbx & 0x01;
PROFILE_DISABLE_BOUNDARY_STRENGTH()
ps_deblk_top_mb = ps_dec->ps_deblk_top_mb + (u2_mbx << 1);
/************************************************/
/* Initialize the left Mb type */
/* Left MvPred */
/************************************************/
if(!u2_mbx)
{
/************************************************************/
/* 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 + 16;
}
else
{
/* Come to Left Most Edge of the MB */
ps_left_mv_pred = (u2_mbxn_mb) ?
ps_dec->ps_mv_cur + ((u2_mbxn_mb - 1) << 5) + 3 :
ps_dec->ps_mv_left + 3;
ps_left_mv_pred += (u4_bot_mb << 4);
}
u4_leftmbtype = ps_dec->deblk_left_mb[u4_bot_mb].u1_mb_type;
ps_left_ngbr = &(ps_dec->ps_left_mvpred_addr[u1_pingpong][u4_bot_mb]);
/************************************************/
/* Pointer Assignment for Current Mb Parameters */
/* Pointer Assignment for Current MvPred */
/************************************************/
ps_cur_mb_params = ps_dec->ps_deblk_mbn + (u2_mbxn_mb << 1) + u4_bot_mb;
u1_cur_mb_type = ps_cur_mb_params->u1_mb_type;
ps_cur_mv_pred = ps_dec->ps_mv_cur + (u2_mbxn_mb << 5);
ps_cur_mv_pred += (u4_bot_mb << 4);
/********************************************/
/* Pointer Assignment for Top Mb Parameters */
/* Pointer Assignment for Top MvPred and */
/* Pointer Assignment for Top Nnz */
/********************************************/
/* CHANGED CODE */
ps_top_mv_pred = ps_cur_mv_pred - (ps_dec->u2_frm_wd_in_mbs << 5) + 12;
u4_cur_mb_fld = !!(u1_cur_mb_type & D_FLD_MB);
u4_left_mb_fld = !!(ps_dec->deblk_left_mb[0].u1_mb_type & D_FLD_MB);
if(u4_left_mb_fld != u4_cur_mb_fld)
{
/* Flag for extra left Edge */
ps_cur_mb_params->u1_single_call = 0;
if(u4_bot_mb)
{
ps_left_ngbr--;
ps_left_mv_pred -= 16;
}
}
else
ps_cur_mb_params->u1_single_call = 1;
apv_map_ref_idx_to_poc = ps_dec->ppv_map_ref_idx_to_poc + 1;
if(u4_cur_mb_fld)
{
if(u4_bot_mb)
{
apv_map_ref_idx_to_poc += BOT_LIST_FLD_L0;
}
else
{
apv_map_ref_idx_to_poc += TOP_LIST_FLD_L0;
}
}
/**********************************************************/
/* if no deblocking required for current Mb then continue */
/**********************************************************/
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;
void ** ppv_left_mv_pred_addr =
ps_dec->ps_left_mvpred_addr[!u1_pingpong][u4_bot_mb].u4_add;
WORD8 * p1_refTop0 = (ps_cur_mv_pred + 12)->i1_ref_frame;
WORD8 * p1_refTop1 = (ps_cur_mv_pred + 14)->i1_ref_frame;
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]];
}
if(u4_bot_mb)
{
/* store The Left Mb Type*/
ps_dec->deblk_left_mb[0].u1_mb_type =
(ps_cur_mb_params - 1)->u1_mb_type;
ps_dec->deblk_left_mb[1].u1_mb_type = ps_cur_mb_params->u1_mb_type;
}
ps_deblk_top_mb[u4_bot_mb].u1_mb_type = u1_cur_mb_type;
return;
}
if(u2_mby)
{
u1_top_mb_typ = ps_deblk_top_mb[1].u1_mb_type;
u4_top_mb_fld = !!(u1_top_mb_typ & D_FLD_MB);
if(!u4_bot_mb)
{
if(u4_top_mb_fld & u4_cur_mb_fld)
u1_top_mb_typ = ps_deblk_top_mb[0].u1_mb_type;
else
{
ps_top_mv_pred += 16;
}
}
}
else
{
u4_top_mb_fld = u4_cur_mb_fld;
u1_top_mb_typ = 0;
}
if(u4_bot_mb & !u4_cur_mb_fld)
{
u1_top_mb_typ = ps_deblk_top_mb[0].u1_mb_type;
u4_top_mb_fld = u4_cur_mb_fld;
ps_top_mv_pred = ps_cur_mv_pred - 4;
}
pu4_bs_table = ps_cur_mb_params->u4_bs_table;
u4_cur_mb_intra = u1_cur_mb_type & D_INTRA_MB;
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)
{
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;
if((0 == u4_cur_mb_fld) && (0 == u4_top_mb_fld))
{
pu4_bs_table[0] = 0x04040404;
}
else
{
pu4_bs_table[0] = 0x03030303;
}
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;
/*********************************************************************/
/* Fill Bs of xtra top and left edge unconditionally to avoid checks */
/*********************************************************************/
pu4_bs_table[8] = 0x03030303;
pu4_bs_table[9] = 0x04040404;
}
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;
else if(u4_cur_mb_fld != u4_top_mb_fld)
{
/****************************************************/
/* Setting BS for mixed mode edge=1 when (Bs!=2) */
/****************************************************/
pu4_bs_table[0] = (pu4_bs_table[0] >> 1) + 0x01010101;
}
{
/* Call to Compute Boundary Strength for Extra Left Edge */
if(u2_mbx
&& !(ps_cur_mb_params->u1_deblocking_mode
& MB_DISABLE_LEFT_EDGE))
{
if(u4_cur_mb_fld != u4_left_mb_fld)
{
UWORD32 u4_left_mb_t_csbp =
ps_cur_mb_info->ps_left_mb[0].u2_luma_csbp;
UWORD32 u4_left_mb_b_csbp =
ps_cur_mb_info->ps_left_mb[1].u2_luma_csbp;
if(1 == ps_cur_mb_info->ps_left_mb[0].u1_tran_form8x8)
{
u4_left_mb_t_csbp = (UWORD32)ih264d_update_csbp_8x8(
(UWORD16)u4_left_mb_t_csbp);
}
if(1 == ps_cur_mb_info->ps_left_mb[1].u1_tran_form8x8)
{
u4_left_mb_b_csbp = (UWORD32)ih264d_update_csbp_8x8(
(UWORD16)u4_left_mb_b_csbp);
}
ps_dec->pf_fill_bs_xtra_left_edge[u4_cur_mb_fld](
pu4_bs_table, u4_left_mb_t_csbp,
u4_left_mb_b_csbp, u2_cur_csbp, u4_bot_mb);
if(ps_dec->deblk_left_mb[0].u1_mb_type & D_INTRA_MB)
pu4_bs_table[4] = 0x04040404;
if(ps_dec->deblk_left_mb[1].u1_mb_type & D_INTRA_MB)
pu4_bs_table[9] = 0x04040404;
}
}
/* Call to Compute Boundary Strength for Extra Top Edge */
if(u2_mby
&& !(ps_cur_mb_params->u1_deblocking_mode
& MB_DISABLE_TOP_EDGE))
{
if((((!u4_bot_mb) & (!u4_cur_mb_fld)) && u4_top_mb_fld))
{
UWORD32 u4_topmb_t_csbp =
ps_cur_mb_info->ps_top_mb[-1].u2_luma_csbp;
UWORD32 u4_topmb_b_csbp =
ps_cur_mb_info->ps_top_mb[0].u2_luma_csbp;
if(1 == ps_cur_mb_info->ps_top_mb[-1].u1_tran_form8x8)
{
u4_topmb_t_csbp = (UWORD32)ih264d_update_csbp_8x8(
(UWORD16)u4_topmb_t_csbp);
}
if(1 == ps_cur_mb_info->ps_top_mb[0].u1_tran_form8x8)
{
u4_topmb_b_csbp = (UWORD32)ih264d_update_csbp_8x8(
(UWORD16)u4_topmb_b_csbp);
}
ih264d_fill_bs_xtra_top_edge(pu4_bs_table, u4_topmb_t_csbp,
u4_topmb_b_csbp, u2_cur_csbp);
if(ps_deblk_top_mb[0].u1_mb_type & D_INTRA_MB)
pu4_bs_table[8] = 0x03030303;
if(ps_deblk_top_mb[1].u1_mb_type & D_INTRA_MB)
pu4_bs_table[0] = 0x03030303;
}
}
}
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_left_ngbr,
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;
void ** ppv_left_mv_pred_addr =
ps_dec->ps_left_mvpred_addr[!u1_pingpong][u4_bot_mb].u4_add;
WORD8 * p1_refTop0 = (ps_cur_mv_pred + 12)->i1_ref_frame;
WORD8 * p1_refTop1 = (ps_cur_mv_pred + 14)->i1_ref_frame;
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]];
}
if(u4_bot_mb)
{
/* store The Left Mb Type*/
ps_dec->deblk_left_mb[0].u1_mb_type =
(ps_cur_mb_params - 1)->u1_mb_type;
ps_dec->deblk_left_mb[1].u1_mb_type = ps_cur_mb_params->u1_mb_type;
}
ps_deblk_top_mb[u4_bot_mb].u1_mb_type = u1_cur_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;
}
}
/*!
**************************************************************************
* \if Function name : ih264d_fill_bs_for_mb \endif
*
* \brief
* Determines the boundary strength (Bs), for the complete MB. Bs is
* determined for each block boundary between two neighbouring 4x4
* luma blocks, then packed in a UWORD32, first Bs placed in MSB and
* so on. Such packed Bs values for all 8 edges are kept in an array.
*
* \return
* Returns the packed boundary strength(Bs) MSB -> LSB Bs0|Bs1|Bs2|Bs3
*
**************************************************************************
*/
void ih264d_fill_bs_for_mb(deblk_mb_t * ps_cur_mb_params,
deblk_mb_t * ps_top_mb_params,
deblk_mb_t * ps_left_mb_params,
mv_pred_t *ps_cur_mv_pred,
mv_pred_t *ps_top_mv_pred,
UWORD8 *puc_cur_nnz,
UWORD8 *puc_top_nnz,
void **ppv_map_ref_idx_to_poc,
UWORD32 ui_mbAff,
UWORD32 ui_bs_table[], /* pointer to the BsTable array */
mv_pred_t *ps_leftmost_mv_pred,
neighbouradd_t *ps_left_addr,
neighbouradd_t *ps_top_add)
{
UWORD32 u4_bs_horz = 0;
UWORD8 edge, u1_top_intra = 0, u1_left_intra = 0;
mv_pred_t *ps_left_mv_pred;
WORD16 i2_cur_mv0, i2_cur_mv1, i16_curMv2, i16_curMv3;
WORD16 i2_left_mv0, i2_left_mv1, i2_left_mv2, i2_left_mv3;
WORD16 i2_top_mv0, i2_top_mv1, i16_topMv2, i16_topMv3;
WORD8 i1_cur_ref0, i1_cur_ref1, i1_left_ref0, i1_left_ref1, i1_top_ref0, i1_top_ref1;
UWORD8 uc_cur_nnz, uc_left_nnz, uc_top_nnz, u1_mb_type, uc_Bslice;
void **ppv_map_ref_idx_to_poc_l0, **ppv_map_ref_idx_to_poc_l1;
UWORD8 uc_temp;
UWORD8 uc_cur_mb_fld, uc_top_mb_fld;
UWORD32 c_mv_limit;
u1_mb_type = ps_cur_mb_params->u1_mb_type;
uc_Bslice = u1_mb_type & D_B_SLICE;
ppv_map_ref_idx_to_poc_l0 = ppv_map_ref_idx_to_poc;
ppv_map_ref_idx_to_poc_l1 = ppv_map_ref_idx_to_poc + POC_LIST_L0_TO_L1_DIFF;
ps_top_mb_params = ps_top_mb_params ? ps_top_mb_params : ps_cur_mb_params;
u1_top_intra = ps_top_mb_params->u1_mb_type & D_INTRA_MB;
u1_left_intra = ps_left_mb_params->u1_mb_type & D_INTRA_MB;
ui_bs_table[4] = 0x04040404; //Default for INTRA MB Boundary edges.
uc_cur_mb_fld = (ps_cur_mb_params->u1_mb_type & D_FLD_MB) >> 7;
uc_top_mb_fld = (ps_top_mb_params->u1_mb_type & D_FLD_MB) >> 7;
c_mv_limit = 4 >> uc_cur_mb_fld;
if((0 == uc_cur_mb_fld) && (0 == uc_top_mb_fld))
{
ui_bs_table[0] = 0x04040404;
}
else
{
ui_bs_table[0] = 0x03030303;
}
for(edge = 0; edge < 4;
edge++, ps_top_mv_pred = ps_cur_mv_pred - 4, puc_top_nnz =
puc_cur_nnz - 4)
{
//Each iteration of this loop fills the four BS values of one HORIZ edge and
//one BS value for each of the four VERT edges.
WORD8 i = 0;
UWORD8 uc_bs_horiz, uc_bs_vert;
UWORD32 ui_cnd;
void *ui_ref_pic_addr[4];
UWORD8 uc_mixed_mode_edge;
uc_mixed_mode_edge = 0;
uc_temp = (ui_mbAff << 4) + 13;
uc_cur_nnz = *(puc_cur_nnz - uc_temp);
ps_left_mv_pred = ps_leftmost_mv_pred + (edge << 2);
for(i = 0; i < 4; i++, ps_top_mv_pred++, ps_cur_mv_pred++)
{
//Each iteration of this inner loop computes a HORIZ
//and a VERT BS value for a 4x4 block
uc_left_nnz = uc_cur_nnz;
uc_cur_nnz = *puc_cur_nnz++;
uc_top_nnz = *puc_top_nnz++;
//VERT edge is assigned BS values first
ui_cnd = !(uc_left_nnz || uc_cur_nnz);
uc_bs_vert = 2;
if(ui_cnd)
{
i2_left_mv0 = ps_left_mv_pred->i2_mv[0];
i2_left_mv1 = ps_left_mv_pred->i2_mv[1];
i2_left_mv2 = ps_left_mv_pred->i2_mv[2];
i2_left_mv3 = ps_left_mv_pred->i2_mv[3];
i2_cur_mv0 = ps_cur_mv_pred->i2_mv[0];
i2_cur_mv1 = ps_cur_mv_pred->i2_mv[1];
i16_curMv2 = ps_cur_mv_pred->i2_mv[2];
i16_curMv3 = ps_cur_mv_pred->i2_mv[3];
i1_cur_ref0 = ps_cur_mv_pred->i1_ref_frame[0];
i1_cur_ref1 = ps_cur_mv_pred->i1_ref_frame[1];
ui_ref_pic_addr[2] = ppv_map_ref_idx_to_poc_l0[i1_cur_ref0];
ui_ref_pic_addr[3] = ppv_map_ref_idx_to_poc_l1[i1_cur_ref1];
if(i)
{
i1_left_ref0 = ps_left_mv_pred->i1_ref_frame[0];
i1_left_ref1 = ps_left_mv_pred->i1_ref_frame[1];
ui_ref_pic_addr[0] = ppv_map_ref_idx_to_poc_l0[i1_left_ref0];
ui_ref_pic_addr[1] = ppv_map_ref_idx_to_poc_l1[i1_left_ref1];
}
else
{
ui_ref_pic_addr[0] = ps_left_addr->u4_add[edge & 2];
ui_ref_pic_addr[1] = ps_left_addr->u4_add[1 + (edge & 2)];
}
if(!uc_Bslice)
{
uc_bs_vert =
(ui_ref_pic_addr[0] != ui_ref_pic_addr[2])
| (ABS((i2_left_mv0
- i2_cur_mv0))
>= 4)
| (ABS((i2_left_mv1
- i2_cur_mv1))
>= (UWORD8)c_mv_limit);
}
else
{
UWORD8 uc_bs_temp1, uc_bs_temp2;
uc_bs_vert = 1;
uc_bs_temp1 =
((ABS((i2_left_mv0 - i2_cur_mv0))
>= 4)
| (ABS((i2_left_mv1
- i2_cur_mv1))
>= (UWORD8)c_mv_limit)
| (ABS((i2_left_mv2
- i16_curMv2))
>= 4)
| (ABS((i2_left_mv3
- i16_curMv3))
>= (UWORD8)c_mv_limit));
uc_bs_temp2 =
((ABS((i2_left_mv0 - i16_curMv2))
>= 4)
| (ABS((i2_left_mv1
- i16_curMv3))
>= (UWORD8)c_mv_limit)
| (ABS((i2_left_mv2
- i2_cur_mv0))
>= 4)
| (ABS((i2_left_mv3
- i2_cur_mv1))
>= (UWORD8)c_mv_limit));
uc_bs_vert =
(((ui_ref_pic_addr[0] != ui_ref_pic_addr[2])
|| (ui_ref_pic_addr[1]
!= ui_ref_pic_addr[3]))
|| (uc_bs_temp1))
&& (((ui_ref_pic_addr[0]
!= ui_ref_pic_addr[3])
|| (ui_ref_pic_addr[1]
!= ui_ref_pic_addr[2]))
|| (uc_bs_temp2));
}
}
//Fill the VERT BS, only if valid i.e.,
//if it is a non-edge OR it is an edge, which is not yet filled
uc_bs_vert = (!i && u1_left_intra) ? 4 : uc_bs_vert;
ui_bs_table[i + 4] = (ui_bs_table[i + 4] << 8) | uc_bs_vert;
//HORIZ edge is assigned BS values next
ui_cnd = !(uc_top_nnz || uc_cur_nnz);
uc_bs_horiz = 2;
if(ui_cnd)
{
uc_mixed_mode_edge =
(0 == edge) ? (uc_top_mb_fld != uc_cur_mb_fld) : 0;
ui_cnd = 1 - uc_mixed_mode_edge;
uc_bs_horiz = uc_mixed_mode_edge;
}
if(ui_cnd)
{
i2_cur_mv0 = ps_cur_mv_pred->i2_mv[0];
i2_cur_mv1 = ps_cur_mv_pred->i2_mv[1];
i16_curMv2 = ps_cur_mv_pred->i2_mv[2];
i16_curMv3 = ps_cur_mv_pred->i2_mv[3];
i1_cur_ref0 = ps_cur_mv_pred->i1_ref_frame[0];
i1_cur_ref1 = ps_cur_mv_pred->i1_ref_frame[1];
i2_top_mv0 = ps_top_mv_pred->i2_mv[0];
i2_top_mv1 = ps_top_mv_pred->i2_mv[1];
i16_topMv2 = ps_top_mv_pred->i2_mv[2];
i16_topMv3 = ps_top_mv_pred->i2_mv[3];
ui_ref_pic_addr[2] = ppv_map_ref_idx_to_poc_l0[i1_cur_ref0];
ui_ref_pic_addr[3] = ppv_map_ref_idx_to_poc_l1[i1_cur_ref1];
if(edge)
{
i1_top_ref0 = ps_top_mv_pred->i1_ref_frame[0];
i1_top_ref1 = ps_top_mv_pred->i1_ref_frame[1];
ui_ref_pic_addr[0] = ppv_map_ref_idx_to_poc_l0[i1_top_ref0];
ui_ref_pic_addr[1] = ppv_map_ref_idx_to_poc_l1[i1_top_ref1];
}
else
{
ui_ref_pic_addr[0] = ps_top_add->u4_add[i & 2];
ui_ref_pic_addr[1] = ps_top_add->u4_add[1 + (i & 2)];
}
if(!uc_Bslice)
{
uc_bs_horiz =
(ui_ref_pic_addr[0] != ui_ref_pic_addr[2])
| (ABS((i2_top_mv0
- i2_cur_mv0))
>= 4)
| (ABS((i2_top_mv1
- i2_cur_mv1))
>= (UWORD8)c_mv_limit);
}
else
{
UWORD8 uc_bs_temp1, uc_bs_temp2;
uc_bs_horiz = 1;
uc_bs_temp1 =
((ABS((i2_top_mv0 - i2_cur_mv0))
>= 4)
| (ABS((i2_top_mv1
- i2_cur_mv1))
>= (UWORD8)c_mv_limit)
| (ABS((i16_topMv2
- i16_curMv2))
>= 4)
| (ABS((i16_topMv3
- i16_curMv3))
>= (UWORD8)c_mv_limit));
uc_bs_temp2 =
((ABS((i2_top_mv0 - i16_curMv2))
>= 4)
| (ABS((i2_top_mv1
- i16_curMv3))
>= (UWORD8)c_mv_limit)
| (ABS((i16_topMv2
- i2_cur_mv0))
>= 4)
| (ABS((i16_topMv3
- i2_cur_mv1))
>= (UWORD8)c_mv_limit));
uc_bs_horiz =
(((ui_ref_pic_addr[0] != ui_ref_pic_addr[2])
|| (ui_ref_pic_addr[1]
!= ui_ref_pic_addr[3]))
|| (uc_bs_temp1))
&& (((ui_ref_pic_addr[0]
!= ui_ref_pic_addr[3])
|| (ui_ref_pic_addr[1]
!= ui_ref_pic_addr[2]))
|| (uc_bs_temp2));
}
}
ps_left_mv_pred = ps_cur_mv_pred;
u4_bs_horz = (u4_bs_horz << 8) + uc_bs_horiz;
}
//Fill the HORIZ BS, only if valid i.e.,
//if it is a non-edge OR it is an edge, which is not yet filled
if(edge || (!edge && !u1_top_intra))
ui_bs_table[edge] = u4_bs_horz;
}
}
/*!
**************************************************************************
* \if Function name : ih264d_fill_bs_for_extra_left_edge \endif
*
* \brief
* Fills the boundary strength (Bs), for the top extra edge. ock
*
* \return
* Returns the packed boundary strength(Bs) MSB -> LSB Bs0|Bs1|Bs2|Bs3
*
**************************************************************************
*/
void ih264d_fill_bs_for_extra_left_edge(deblk_mb_t *ps_cur_deblk_mb,
deblk_mb_t *ps_leftDeblkMb,
UWORD8* puc_cur_nnz,
UWORD8 uc_botMb)
{
/* Set the Flag in uc_deblocking_mode variable of current MB*/
/* for mixed mode edge*/
ps_cur_deblk_mb->u1_single_call = 0;
if(ps_cur_deblk_mb->u1_mb_type & D_INTRA_MB)
{
ps_cur_deblk_mb->u4_bs_table[4] = 0x04040404;
ps_cur_deblk_mb->u4_bs_table[9] = 0x04040404;
}
else if((ps_leftDeblkMb->u1_mb_type & D_INTRA_MB)
&& ((ps_leftDeblkMb + 1)->u1_mb_type & D_INTRA_MB))
{
ps_cur_deblk_mb->u4_bs_table[4] = 0x04040404;
ps_cur_deblk_mb->u4_bs_table[9] = 0x04040404;
}
else
{
/* Get strengths of left MB edge */
UWORD32 u4_bs;
UWORD8 uc_Bs;
WORD32 i;
UWORD32 ui_curMbFld;
UWORD8 *puc_left_nnz;
UWORD32 ui_bs_left_edge[2];
ui_curMbFld = (ps_cur_deblk_mb->u1_mb_type & D_FLD_MB) >> 7;
puc_left_nnz = puc_cur_nnz - 29;
if((ui_curMbFld == 0) && uc_botMb)
{
puc_left_nnz -= 8;
}
else if(ui_curMbFld && uc_botMb)
{
puc_left_nnz -= 16;
}
if(ui_curMbFld)
{
if(ps_leftDeblkMb->u1_mb_type & D_INTRA_MB)
{
ui_bs_left_edge[0] = 0x04040404;
puc_left_nnz += 16;
puc_cur_nnz += 8;
}
else
{
u4_bs = 0;
for(i = 4; i > 0; i--)
{
uc_Bs = ((*puc_cur_nnz || *puc_left_nnz)) ? 2 : 1;
u4_bs = (u4_bs << 8) | uc_Bs;
puc_left_nnz += 4;
if(i & 0x01)
puc_cur_nnz += 4;
}
ui_bs_left_edge[0] = u4_bs;
}
if((ps_leftDeblkMb + 1)->u1_mb_type & D_INTRA_MB)
{
ui_bs_left_edge[1] = 0x04040404;
}
else
{
u4_bs = 0;
for(i = 4; i > 0; i--)
{
uc_Bs = ((*puc_cur_nnz || *puc_left_nnz)) ? 2 : 1;
u4_bs = (u4_bs << 8) | uc_Bs;
puc_left_nnz += 4;
if(i & 0x01)
puc_cur_nnz += 4;
}
ui_bs_left_edge[1] = u4_bs;
}
}
else
{
UWORD8 *puc_curNnzB, *puc_leftNnzB;
puc_curNnzB = puc_cur_nnz;
puc_leftNnzB = puc_left_nnz + 16;
if(ps_leftDeblkMb->u1_mb_type & D_INTRA_MB)
{
ui_bs_left_edge[0] = 0x04040404;
}
else
{
u4_bs = 0;
for(i = 4; i > 0; i--, puc_cur_nnz += 4)
{
uc_Bs = ((*puc_cur_nnz || *puc_left_nnz)) ? 2 : 1;
u4_bs = (u4_bs << 8) | uc_Bs;
if(i & 0x01)
puc_left_nnz += 4;
}
ui_bs_left_edge[0] = u4_bs;
}
if((ps_leftDeblkMb + 1)->u1_mb_type & D_INTRA_MB)
{
ui_bs_left_edge[1] = 0x04040404;
}
else
{
u4_bs = 0;
for(i = 4; i > 0; i--, puc_curNnzB += 4)
{
uc_Bs = ((*puc_curNnzB || *puc_leftNnzB)) ? 2 : 1;
u4_bs = (u4_bs << 8) | uc_Bs;
if(i & 0x01)
puc_leftNnzB += 4;
}
ui_bs_left_edge[1] = u4_bs;
}
}
/* Copy The Values in Cur Deblk Mb Parameters */
ps_cur_deblk_mb->u4_bs_table[4] = ui_bs_left_edge[0];
ps_cur_deblk_mb->u4_bs_table[9] = ui_bs_left_edge[1];
}
}
/*!
**************************************************************************
* \if Function name : ih264d_fill_bs_for_extra_top_edge \endif
*
* \brief
* Fills the boundary strength (Bs), for the top extra edge. ock
*
* \return
* Returns the packed boundary strength(Bs) MSB -> LSB Bs0|Bs1|Bs2|Bs3
*
**************************************************************************
*/
void ih264d_fill_bs_for_extra_top_edge(deblk_mb_t *ps_cur_mb_params,
UWORD8 u1_Edge0_mb_typ,
UWORD8 u1_Edge1_mb_typ,
UWORD8 *pu1_curNnz,
UWORD8 *pu1_topNnz)
{
UWORD32 u4_bs;
UWORD8 uc_Bs;
WORD32 i;
UWORD8 *pu1_cur_nnz_tmp;
UWORD8 *pu1_top_nnz_tmp;
UWORD8 u1_top_edge;
UWORD8 u1_top_mb_type;
for(u1_top_edge = 0; u1_top_edge < 2; u1_top_edge++)
{
u1_top_mb_type = u1_top_edge ? u1_Edge1_mb_typ : u1_Edge0_mb_typ;
pu1_cur_nnz_tmp = pu1_curNnz;
pu1_top_nnz_tmp = pu1_topNnz + (u1_top_edge << 2);
if((ps_cur_mb_params->u1_mb_type & D_INTRA_MB)
+ (u1_top_mb_type & D_INTRA_MB))
{
u4_bs = 0x03030303;
}
else
{
u4_bs = 0;
for(i = 4; i > 0; i--, pu1_cur_nnz_tmp += 1, pu1_top_nnz_tmp += 1)
{
uc_Bs = ((*pu1_cur_nnz_tmp || *pu1_top_nnz_tmp)) ? 2 : 1;
u4_bs = (u4_bs << 8) | uc_Bs;
}
}
if(u1_top_edge)
ps_cur_mb_params->u4_bs_table[0] = u4_bs;
else
ps_cur_mb_params->u4_bs_table[8] = u4_bs;
}
}
void ih264d_fill_bs_mbedge_4(dec_struct_t * ps_dec,
dec_mb_info_t * ps_cur_mb_info,
const UWORD16 u2_mbxn_mb)
{
/* deblk_mb_t Params */
deblk_mb_t *ps_cur_mb_params; /*< Parameters of current MacroBlock */
deblkmb_neighbour_t *ps_deblk_top_mb;
UWORD32 * pu4_bs_table;
UWORD8 u1_cur_mb_type;
/* 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;
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;
u1_cur_mb_type = ps_cur_mb_params->u1_mb_type;
ps_deblk_top_mb->u1_mb_type = u1_cur_mb_type;
{
UWORD8 mb_qp_temp;
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;
}
ps_cur_mb_params->u1_single_call = 1;
ps_dec->deblk_left_mb[1].u1_mb_type = ps_cur_mb_params->u1_mb_type;
/* 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 */
return;
}
/* Compute BS function */
pu4_bs_table = ps_cur_mb_params->u4_bs_table;
pu4_bs_table[4] = 0x04040404;
pu4_bs_table[0] = 0x04040404;
pu4_bs_table[1] = 0;
pu4_bs_table[2] = 0;
pu4_bs_table[3] = 0;
pu4_bs_table[5] = 0;
pu4_bs_table[6] = 0;
pu4_bs_table[7] = 0;
}
void ih264d_fill_bs_mbedge_2(dec_struct_t * ps_dec,
dec_mb_info_t * ps_cur_mb_info,
const UWORD16 u2_mbxn_mb)
{
/* deblk_mb_t Params */
deblk_mb_t *ps_cur_mb_params; /*< Parameters of current MacroBlock */
deblkmb_neighbour_t *ps_deblk_top_mb;
UWORD32 * pu4_bs_table;
UWORD8 u1_cur_mb_type;
/* 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;
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;
u1_cur_mb_type = ps_cur_mb_params->u1_mb_type;
ps_deblk_top_mb->u1_mb_type = u1_cur_mb_type;
{
UWORD8 mb_qp_temp;
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;
}
ps_cur_mb_params->u1_single_call = 1;
ps_dec->deblk_left_mb[1].u1_mb_type = ps_cur_mb_params->u1_mb_type;
/* 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 */
return;
}
/* Compute BS function */
pu4_bs_table = ps_cur_mb_params->u4_bs_table;
{
UWORD32 top_mb_csbp, left_mb_csbp, cur_mb_csbp;
UWORD32 top_edge, left_edge;
top_mb_csbp = ps_cur_mb_info->ps_top_mb->u2_luma_csbp;
left_mb_csbp = ps_cur_mb_info->ps_left_mb->u2_luma_csbp;
cur_mb_csbp = ps_cur_mb_info->ps_curmb->u2_luma_csbp;
top_mb_csbp = top_mb_csbp >> 12;
top_edge = top_mb_csbp | (cur_mb_csbp & 0xf);
if(top_edge)
pu4_bs_table[0] = 0x02020202;
else
pu4_bs_table[0] = 0;
cur_mb_csbp = cur_mb_csbp & CSBP_LEFT_BLOCK_MASK;
left_mb_csbp = left_mb_csbp & CSBP_RIGHT_BLOCK_MASK;
left_edge = cur_mb_csbp | left_mb_csbp;
if(left_edge)
pu4_bs_table[4] = 0x02020202;
else
pu4_bs_table[4] = 0;
pu4_bs_table[1] = 0;
pu4_bs_table[2] = 0;
pu4_bs_table[3] = 0;
pu4_bs_table[5] = 0;
pu4_bs_table[6] = 0;
pu4_bs_table[7] = 0;
}
}