/******************************************************************************
*
* Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore
*
* 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.
*
******************************************************************************/
/**
*******************************************************************************
* @file
* ihevc_inter_pred.c
*
* @brief
* Calculates the prediction samples for a given cbt
*
* @author
* Srinivas T
*
* @par List of Functions:
* - ihevc_inter_pred()
*
* @remarks
* None
*
*******************************************************************************
*/
#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "ihevc_typedefs.h"
#include "iv.h"
#include "ivd.h"
#include "ihevcd_cxa.h"
#include "ithread.h"
#include "ihevc_defs.h"
#include "ihevc_debug.h"
#include "ihevc_structs.h"
#include "ihevc_macros.h"
#include "ihevc_platform_macros.h"
#include "ihevc_cabac_tables.h"
#include "ihevc_weighted_pred.h"
#include "ihevc_error.h"
#include "ihevc_common_tables.h"
#include "ihevcd_trace.h"
#include "ihevcd_defs.h"
#include "ihevcd_function_selector.h"
#include "ihevcd_structs.h"
#include "ihevcd_error.h"
#include "ihevcd_nal.h"
#include "ihevcd_bitstream.h"
#include "ihevcd_job_queue.h"
#include "ihevcd_utils.h"
#include "ihevc_inter_pred.h"
#include "ihevcd_profile.h"
static WORD8 gai1_luma_filter[4][NTAPS_LUMA] =
{
{ 0, 0, 0, 64, 0, 0, 0, 0 },
{ -1, 4, -10, 58, 17, -5, 1, 0 },
{ -1, 4, -11, 40, 40, -11, 4, -1 },
{ 0, 1, -5, 17, 58, -10, 4, -1 } };
/* The filter uses only the first four elements in each array */
static WORD8 gai1_chroma_filter[8][NTAPS_LUMA] =
{
{ 0, 64, 0, 0, 0, 0, 0, 0 },
{ -2, 58, 10, -2, 0, 0, 0, 0 },
{ -4, 54, 16, -2, 0, 0, 0, 0 },
{ -6, 46, 28, -4, 0, 0, 0, 0 },
{ -4, 36, 36, -4, 0, 0, 0, 0 },
{ -4, 28, 46, -6, 0, 0, 0, 0 },
{ -2, 16, 54, -4, 0, 0, 0, 0 },
{ -2, 10, 58, -2, 0, 0, 0, 0 } };
/**
*******************************************************************************
*
* @brief
* Inter prediction CTB level function
*
* @par Description:
* For a given CTB, Inter prediction followed by weighted prediction is
* done for all the PUs present in the CTB
*
* @param[in] ps_ctb
* Pointer to the CTB context
*
* @returns
*
* @remarks
*
*
*******************************************************************************
*/
void ihevcd_inter_pred_ctb(process_ctxt_t *ps_proc)
{
UWORD8 *ref_pic_luma_l0, *ref_pic_chroma_l0;
UWORD8 *ref_pic_luma_l1, *ref_pic_chroma_l1;
UWORD8 *ref_pic_l0 = NULL, *ref_pic_l1 = NULL;
slice_header_t *ps_slice_hdr;
sps_t *ps_sps;
pps_t *ps_pps;
pu_t *ps_pu;
codec_t *ps_codec;
WORD32 pu_indx;
WORD32 pu_x, pu_y;
WORD32 pu_wd, pu_ht;
WORD32 i4_pu_cnt;
WORD32 cur_ctb_idx;
WORD32 clr_indx;
WORD32 ntaps;
WORD32 ai2_xint[2] = { 0, 0 }, ai2_yint[2] = { 0, 0 };
WORD32 ai2_xfrac[2] = { 0, 0 }, ai2_yfrac[2] = { 0, 0 };
WORD32 weighted_pred, bi_pred;
WORD32 ref_strd;
UWORD8 *pu1_dst_luma, *pu1_dst_chroma;
UWORD8 *pu1_dst;
WORD16 *pi2_tmp1, *pi2_tmp2;
WORD32 luma_weight_l0, luma_weight_l1;
WORD32 chroma_weight_l0_cb, chroma_weight_l1_cb, chroma_weight_l0_cr, chroma_weight_l1_cr;
WORD32 luma_offset_l0, luma_offset_l1;
WORD32 chroma_offset_l0_cb, chroma_offset_l1_cb, chroma_offset_l0_cr, chroma_offset_l1_cr;
WORD32 shift, lvl_shift1, lvl_shift2;
pf_inter_pred func_ptr1, func_ptr2, func_ptr3, func_ptr4;
WORD32 func_indx1, func_indx2, func_indx3, func_indx4;
void *func_src;
void *func_dst;
WORD32 func_src_strd;
WORD32 func_dst_strd;
WORD8 *func_coeff;
WORD32 func_wd;
WORD32 func_ht;
WORD32 next_ctb_idx;
WORD8(*coeff)[8];
WORD32 chroma_yuv420sp_vu;
PROFILE_DISABLE_INTER_PRED();
ps_codec = ps_proc->ps_codec;
ps_slice_hdr = ps_proc->ps_slice_hdr;
ps_pps = ps_proc->ps_pps;
ps_sps = ps_proc->ps_sps;
cur_ctb_idx = ps_proc->i4_ctb_x
+ ps_proc->i4_ctb_y * (ps_sps->i2_pic_wd_in_ctb);
/*
* In case of tiles, the next ctb belonging to the same tile must be used to get the PU index
*/
next_ctb_idx = ps_proc->i4_next_pu_ctb_cnt;
i4_pu_cnt = ps_proc->pu4_pic_pu_idx[next_ctb_idx] - ps_proc->pu4_pic_pu_idx[cur_ctb_idx];
ps_pu = ps_proc->ps_pu;
ref_strd = ps_codec->i4_strd;
pi2_tmp1 = ps_proc->pi2_inter_pred_tmp_buf1;
pi2_tmp2 = ps_proc->pi2_inter_pred_tmp_buf2;
pu1_dst_luma = ps_proc->pu1_cur_pic_luma;
pu1_dst_chroma = ps_proc->pu1_cur_pic_chroma;
chroma_yuv420sp_vu = (ps_codec->e_ref_chroma_fmt == IV_YUV_420SP_VU);
ASSERT(PSLICE == ps_slice_hdr->i1_slice_type || BSLICE == ps_slice_hdr->i1_slice_type);
ref_pic_luma_l0 = NULL;
ref_pic_chroma_l0 = NULL;
luma_weight_l0 = 0;
chroma_weight_l0_cb = 0;
chroma_weight_l0_cr = 0;
luma_offset_l0 = 0;
chroma_offset_l0_cb = 0;
chroma_offset_l0_cr = 0;
ref_pic_luma_l1 = NULL;
ref_pic_chroma_l1 = NULL;
luma_weight_l1 = 0;
chroma_weight_l1_cb = 0;
chroma_weight_l1_cr = 0;
luma_offset_l1 = 0;
chroma_offset_l1_cb = 0;
chroma_offset_l1_cr = 0;
for(pu_indx = 0; pu_indx < i4_pu_cnt; pu_indx++, ps_pu++)
{
/* If the PU is intra then proceed to the next */
if(1 == ps_pu->b1_intra_flag)
continue;
pu_x = (ps_proc->i4_ctb_x << ps_sps->i1_log2_ctb_size) + (ps_pu->b4_pos_x << 2);
pu_y = (ps_proc->i4_ctb_y << ps_sps->i1_log2_ctb_size) + (ps_pu->b4_pos_y << 2);
pu_wd = (ps_pu->b4_wd + 1) << 2;
pu_ht = (ps_pu->b4_ht + 1) << 2;
weighted_pred = (ps_slice_hdr->i1_slice_type == PSLICE) ? ps_pps->i1_weighted_pred_flag :
ps_pps->i1_weighted_bipred_flag;
bi_pred = (ps_pu->b2_pred_mode == PRED_BI);
if(ps_pu->b2_pred_mode != PRED_L1)
{
pic_buf_t *ps_pic_buf_l0;
ps_pic_buf_l0 = (pic_buf_t *)((ps_slice_hdr->as_ref_pic_list0[ps_pu->mv.i1_l0_ref_idx].pv_pic_buf));
ref_pic_luma_l0 = ps_pic_buf_l0->pu1_luma;
ref_pic_chroma_l0 = ps_pic_buf_l0->pu1_chroma;
luma_weight_l0 = ps_slice_hdr->s_wt_ofst.i2_luma_weight_l0[ps_pu->mv.i1_l0_ref_idx];
chroma_weight_l0_cb = ps_slice_hdr->s_wt_ofst.i2_chroma_weight_l0_cb[ps_pu->mv.i1_l0_ref_idx];
chroma_weight_l0_cr = ps_slice_hdr->s_wt_ofst.i2_chroma_weight_l0_cr[ps_pu->mv.i1_l0_ref_idx];
luma_offset_l0 = ps_slice_hdr->s_wt_ofst.i2_luma_offset_l0[ps_pu->mv.i1_l0_ref_idx];
chroma_offset_l0_cb = ps_slice_hdr->s_wt_ofst.i2_chroma_offset_l0_cb[ps_pu->mv.i1_l0_ref_idx];
chroma_offset_l0_cr = ps_slice_hdr->s_wt_ofst.i2_chroma_offset_l0_cr[ps_pu->mv.i1_l0_ref_idx];
}
if(ps_pu->b2_pred_mode != PRED_L0)
{
pic_buf_t *ps_pic_buf_l1;
ps_pic_buf_l1 = (pic_buf_t *)((ps_slice_hdr->as_ref_pic_list1[ps_pu->mv.i1_l1_ref_idx].pv_pic_buf));
ref_pic_luma_l1 = ps_pic_buf_l1->pu1_luma;
ref_pic_chroma_l1 = ps_pic_buf_l1->pu1_chroma;
luma_weight_l1 = ps_slice_hdr->s_wt_ofst.i2_luma_weight_l1[ps_pu->mv.i1_l1_ref_idx];
chroma_weight_l1_cb = ps_slice_hdr->s_wt_ofst.i2_chroma_weight_l1_cb[ps_pu->mv.i1_l1_ref_idx];
chroma_weight_l1_cr = ps_slice_hdr->s_wt_ofst.i2_chroma_weight_l1_cr[ps_pu->mv.i1_l1_ref_idx];
luma_offset_l1 = ps_slice_hdr->s_wt_ofst.i2_luma_offset_l1[ps_pu->mv.i1_l1_ref_idx];
chroma_offset_l1_cb = ps_slice_hdr->s_wt_ofst.i2_chroma_offset_l1_cb[ps_pu->mv.i1_l1_ref_idx];
chroma_offset_l1_cr = ps_slice_hdr->s_wt_ofst.i2_chroma_offset_l1_cr[ps_pu->mv.i1_l1_ref_idx];
}
/*luma and chroma components*/
for(clr_indx = 0; clr_indx < 2; clr_indx++)
{
PROFILE_DISABLE_INTER_PRED_LUMA(clr_indx);
PROFILE_DISABLE_INTER_PRED_CHROMA(clr_indx);
if(clr_indx == 0)
{
WORD32 mv;
if(ps_pu->b2_pred_mode != PRED_L1)
{
mv = CLIP3(ps_pu->mv.s_l0_mv.i2_mvx, (-((MAX_CTB_SIZE + pu_x + 7) << 2)), ((ps_sps->i2_pic_width_in_luma_samples - pu_x + 7) << 2));
ai2_xint[0] = pu_x + (mv >> 2);
ai2_xfrac[0] = mv & 3;
mv = CLIP3(ps_pu->mv.s_l0_mv.i2_mvy, (-((MAX_CTB_SIZE + pu_y + 7) << 2)), ((ps_sps->i2_pic_height_in_luma_samples - pu_y + 7) << 2));
ai2_yint[0] = pu_y + (mv >> 2);
ai2_yfrac[0] = mv & 3;
ai2_xfrac[0] &= ps_codec->i4_mv_frac_mask;
ai2_yfrac[0] &= ps_codec->i4_mv_frac_mask;
ref_pic_l0 = ref_pic_luma_l0 + ai2_yint[0] * ref_strd
+ ai2_xint[0];
}
if(ps_pu->b2_pred_mode != PRED_L0)
{
mv = CLIP3(ps_pu->mv.s_l1_mv.i2_mvx, (-((MAX_CTB_SIZE + pu_x + 7) << 2)), ((ps_sps->i2_pic_width_in_luma_samples - pu_x + 7) << 2));
ai2_xint[1] = pu_x + (mv >> 2);
ai2_xfrac[1] = mv & 3;
mv = CLIP3(ps_pu->mv.s_l1_mv.i2_mvy, (-((MAX_CTB_SIZE + pu_y + 7) << 2)), ((ps_sps->i2_pic_height_in_luma_samples - pu_y + 7) << 2));
ai2_yint[1] = pu_y + (mv >> 2);
ai2_yfrac[1] = mv & 3;
ref_pic_l1 = ref_pic_luma_l1 + ai2_yint[1] * ref_strd
+ ai2_xint[1];
ai2_xfrac[1] &= ps_codec->i4_mv_frac_mask;
ai2_yfrac[1] &= ps_codec->i4_mv_frac_mask;
}
pu1_dst = pu1_dst_luma + pu_y * ref_strd + pu_x;
ntaps = NTAPS_LUMA;
coeff = gai1_luma_filter;
}
else
{
WORD32 mv;
/* xint is upshifted by 1 because the chroma components are */
/* interleaved which is not the assumption made by standard */
if(ps_pu->b2_pred_mode != PRED_L1)
{
mv = CLIP3(ps_pu->mv.s_l0_mv.i2_mvx, (-((MAX_CTB_SIZE + pu_x + 7) << 2)), ((ps_sps->i2_pic_width_in_luma_samples - pu_x + 7) << 2));
ai2_xint[0] = (pu_x / 2 + (mv >> 3)) << 1;
ai2_xfrac[0] = mv & 7;
mv = CLIP3(ps_pu->mv.s_l0_mv.i2_mvy, (-((MAX_CTB_SIZE + pu_y + 7) << 2)), ((ps_sps->i2_pic_height_in_luma_samples - pu_y + 7) << 2));
ai2_yint[0] = pu_y / 2 + (mv >> 3);
ai2_yfrac[0] = mv & 7;
ref_pic_l0 = ref_pic_chroma_l0 + ai2_yint[0] * ref_strd
+ ai2_xint[0];
ai2_xfrac[0] &= ps_codec->i4_mv_frac_mask;
ai2_yfrac[0] &= ps_codec->i4_mv_frac_mask;
}
if(ps_pu->b2_pred_mode != PRED_L0)
{
mv = CLIP3(ps_pu->mv.s_l1_mv.i2_mvx, (-((MAX_CTB_SIZE + pu_x + 7) << 2)), ((ps_sps->i2_pic_width_in_luma_samples - pu_x + 7) << 2));
ai2_xint[1] = (pu_x / 2 + (mv >> 3)) << 1;
ai2_xfrac[1] = mv & 7;
mv = CLIP3(ps_pu->mv.s_l1_mv.i2_mvy, (-((MAX_CTB_SIZE + pu_y + 7) << 2)), ((ps_sps->i2_pic_height_in_luma_samples - pu_y + 7) << 2));
ai2_yint[1] = pu_y / 2 + (mv >> 3);
ai2_yfrac[1] = mv & 7;
ref_pic_l1 = ref_pic_chroma_l1 + ai2_yint[1] * ref_strd
+ ai2_xint[1];
ai2_xfrac[1] &= ps_codec->i4_mv_frac_mask;
ai2_yfrac[1] &= ps_codec->i4_mv_frac_mask;
}
pu1_dst = pu1_dst_chroma + pu_y * ref_strd / 2 + pu_x;
ntaps = NTAPS_CHROMA;
coeff = gai1_chroma_filter;
}
if(ps_pu->b2_pred_mode != PRED_L1)
{
func_indx1 = 4 * (weighted_pred || bi_pred) + 1 + 11 * clr_indx;
func_indx1 += ai2_xfrac[0] ? 2 : 0;
func_indx1 += ai2_yfrac[0] ? 1 : 0;
func_indx2 = (ai2_xfrac[0] && ai2_yfrac[0])
* (9 + (weighted_pred || bi_pred)) + 11 * clr_indx;
func_ptr1 = ps_codec->apf_inter_pred[func_indx1];
func_ptr2 = ps_codec->apf_inter_pred[func_indx2];
}
else
{
func_ptr1 = NULL;
func_ptr2 = NULL;
}
if(ps_pu->b2_pred_mode != PRED_L0)
{
func_indx3 = 4 * (weighted_pred || bi_pred) + 1 + 11 * clr_indx;
func_indx3 += ai2_xfrac[1] ? 2 : 0;
func_indx3 += ai2_yfrac[1] ? 1 : 0;
func_indx4 = (ai2_xfrac[1] && ai2_yfrac[1])
* (9 + (weighted_pred || bi_pred)) + 11 * clr_indx;
func_ptr3 = ps_codec->apf_inter_pred[func_indx3];
func_ptr4 = ps_codec->apf_inter_pred[func_indx4];
}
else
{
func_ptr3 = NULL;
func_ptr4 = NULL;
}
/*Function 1*/
if(func_ptr1 != NULL)
{
func_src_strd = ref_strd;
func_src = (ai2_xfrac[0] && ai2_yfrac[0]) ?
ref_pic_l0 - (ntaps / 2 - 1) * func_src_strd :
ref_pic_l0;
func_dst = (weighted_pred || bi_pred) ?
(void *)pi2_tmp1 : (void *)pu1_dst;
if(ai2_xfrac[0] && ai2_yfrac[0])
{
func_dst = pi2_tmp1;
}
func_dst_strd = (weighted_pred || bi_pred
|| (ai2_xfrac[0] && ai2_yfrac[0])) ?
pu_wd : ref_strd;
func_coeff = ai2_xfrac[0] ?
coeff[ai2_xfrac[0]] : coeff[ai2_yfrac[0]];
func_wd = pu_wd >> clr_indx;
func_ht = pu_ht >> clr_indx;
func_ht += (ai2_xfrac[0] && ai2_yfrac[0]) ? ntaps - 1 : 0;
func_ptr1(func_src, func_dst, func_src_strd, func_dst_strd,
func_coeff, func_ht, func_wd);
}
/*Function 2*/
if(func_ptr2 != NULL)
{
func_src_strd = pu_wd;
func_src = pi2_tmp1 + (ntaps / 2 - 1) * func_src_strd;
func_dst = (weighted_pred || bi_pred) ?
(void *)pi2_tmp1 : (void *)pu1_dst;
func_dst_strd = (weighted_pred || bi_pred) ?
pu_wd : ref_strd;
func_coeff = coeff[ai2_yfrac[0]];
func_wd = pu_wd >> clr_indx;
func_ht = pu_ht >> clr_indx;
func_ptr2(func_src, func_dst, func_src_strd, func_dst_strd,
func_coeff, func_ht, func_wd);
}
if(func_ptr3 != NULL)
{
func_src_strd = ref_strd;
func_src = (ai2_xfrac[1] && ai2_yfrac[1]) ?
ref_pic_l1 - (ntaps / 2 - 1) * func_src_strd :
ref_pic_l1;
func_dst = (weighted_pred || bi_pred) ?
(void *)pi2_tmp2 : (void *)pu1_dst;
if(ai2_xfrac[1] && ai2_yfrac[1])
{
func_dst = pi2_tmp2;
}
func_dst_strd = (weighted_pred || bi_pred
|| (ai2_xfrac[1] && ai2_yfrac[1])) ?
pu_wd : ref_strd;
func_coeff = ai2_xfrac[1] ?
coeff[ai2_xfrac[1]] : coeff[ai2_yfrac[1]];
func_wd = pu_wd >> clr_indx;
func_ht = pu_ht >> clr_indx;
func_ht += (ai2_xfrac[1] && ai2_yfrac[1]) ? ntaps - 1 : 0;
func_ptr3(func_src, func_dst, func_src_strd, func_dst_strd,
func_coeff, func_ht, func_wd);
}
if(func_ptr4 != NULL)
{
func_src_strd = pu_wd;
func_src = pi2_tmp2 + (ntaps / 2 - 1) * func_src_strd;
func_dst = (weighted_pred || bi_pred) ?
(void *)pi2_tmp2 : (void *)pu1_dst;
func_dst_strd = (weighted_pred || bi_pred) ?
pu_wd : ref_strd;
func_coeff = coeff[ai2_yfrac[1]];
func_wd = pu_wd >> clr_indx;
func_ht = pu_ht >> clr_indx;
func_ptr4(func_src, func_dst, func_src_strd, func_dst_strd,
func_coeff, func_ht, func_wd);
}
PROFILE_DISABLE_INTER_PRED_LUMA_AVERAGING(clr_indx);
PROFILE_DISABLE_INTER_PRED_CHROMA_AVERAGING(clr_indx);
if((weighted_pred != 0) && (bi_pred != 0))
{
lvl_shift1 = 0;
lvl_shift2 = 0;
if((0 == clr_indx) && (ai2_xfrac[0] && ai2_yfrac[0]))
lvl_shift1 = (1 << 13);
if((0 == clr_indx) && (ai2_xfrac[1] && ai2_yfrac[1]))
lvl_shift2 = (1 << 13);
if(0 == clr_indx)
{
shift = ps_slice_hdr->s_wt_ofst.i1_luma_log2_weight_denom
+ SHIFT_14_MINUS_BIT_DEPTH + 1;
ps_codec->s_func_selector.ihevc_weighted_pred_bi_fptr(pi2_tmp1,
pi2_tmp2,
pu1_dst,
pu_wd,
pu_wd,
ref_strd,
luma_weight_l0,
luma_offset_l0,
luma_weight_l1,
luma_offset_l1,
shift,
lvl_shift1,
lvl_shift2,
pu_ht,
pu_wd);
}
else
{
shift = ps_slice_hdr->s_wt_ofst.i1_chroma_log2_weight_denom
+ SHIFT_14_MINUS_BIT_DEPTH + 1;
if(chroma_yuv420sp_vu)
{
ps_codec->s_func_selector.ihevc_weighted_pred_chroma_bi_fptr(pi2_tmp1,
pi2_tmp2,
pu1_dst,
pu_wd,
pu_wd,
ref_strd,
chroma_weight_l0_cr,
chroma_weight_l0_cb,
chroma_offset_l0_cr,
chroma_offset_l0_cb,
chroma_weight_l1_cr,
chroma_weight_l1_cb,
chroma_offset_l1_cr,
chroma_offset_l1_cb,
shift,
lvl_shift1,
lvl_shift2,
pu_ht >> 1,
pu_wd >> 1);
}
else
{
ps_codec->s_func_selector.ihevc_weighted_pred_chroma_bi_fptr(pi2_tmp1,
pi2_tmp2,
pu1_dst,
pu_wd,
pu_wd,
ref_strd,
chroma_weight_l0_cb,
chroma_weight_l0_cr,
chroma_offset_l0_cb,
chroma_offset_l0_cr,
chroma_weight_l1_cb,
chroma_weight_l1_cr,
chroma_offset_l1_cb,
chroma_offset_l1_cr,
shift,
lvl_shift1,
lvl_shift2,
pu_ht >> 1,
pu_wd >> 1);
}
}
}
else if((weighted_pred != 0) && (bi_pred == 0))
{
lvl_shift1 = 0;
if(ps_pu->b2_pred_mode == PRED_L0)
{
if((0 == clr_indx) && (ai2_xfrac[0] && ai2_yfrac[0]))
lvl_shift1 = (1 << 13);
}
else
{
if((0 == clr_indx) && (ai2_xfrac[1] && ai2_yfrac[1]))
lvl_shift1 = (1 << 13);
}
if(0 == clr_indx)
{
shift = ps_slice_hdr->s_wt_ofst.i1_luma_log2_weight_denom
+ SHIFT_14_MINUS_BIT_DEPTH;
ps_codec->s_func_selector.ihevc_weighted_pred_uni_fptr(ps_pu->b2_pred_mode == PRED_L0 ? pi2_tmp1 : pi2_tmp2,
pu1_dst,
pu_wd,
ref_strd,
ps_pu->b2_pred_mode == PRED_L0 ? luma_weight_l0 : luma_weight_l1,
ps_pu->b2_pred_mode == PRED_L0 ? luma_offset_l0 : luma_offset_l1,
shift,
lvl_shift1,
pu_ht,
pu_wd);
}
else
{
shift = ps_slice_hdr->s_wt_ofst.i1_chroma_log2_weight_denom
+ SHIFT_14_MINUS_BIT_DEPTH;
if(chroma_yuv420sp_vu)
{
ps_codec->s_func_selector.ihevc_weighted_pred_chroma_uni_fptr(ps_pu->b2_pred_mode == PRED_L0 ? pi2_tmp1 : pi2_tmp2,
pu1_dst,
pu_wd,
ref_strd,
ps_pu->b2_pred_mode == PRED_L0 ? chroma_weight_l0_cr : chroma_weight_l1_cr,
ps_pu->b2_pred_mode == PRED_L0 ? chroma_weight_l0_cb : chroma_weight_l1_cb,
ps_pu->b2_pred_mode == PRED_L0 ? chroma_offset_l0_cr : chroma_offset_l1_cr,
ps_pu->b2_pred_mode == PRED_L0 ? chroma_offset_l0_cb : chroma_offset_l1_cb,
shift,
lvl_shift1,
pu_ht >> 1,
pu_wd >> 1);
}
else
{
ps_codec->s_func_selector.ihevc_weighted_pred_chroma_uni_fptr(ps_pu->b2_pred_mode == PRED_L0 ? pi2_tmp1 : pi2_tmp2,
pu1_dst,
pu_wd,
ref_strd,
ps_pu->b2_pred_mode == PRED_L0 ? chroma_weight_l0_cb : chroma_weight_l1_cb,
ps_pu->b2_pred_mode == PRED_L0 ? chroma_weight_l0_cr : chroma_weight_l1_cr,
ps_pu->b2_pred_mode == PRED_L0 ? chroma_offset_l0_cb : chroma_offset_l1_cb,
ps_pu->b2_pred_mode == PRED_L0 ? chroma_offset_l0_cr : chroma_offset_l1_cr,
shift,
lvl_shift1,
pu_ht >> 1,
pu_wd >> 1);
}
}
}
else if((weighted_pred == 0) && (bi_pred != 0))
{
lvl_shift1 = 0;
lvl_shift2 = 0;
if((0 == clr_indx) && (ai2_xfrac[0] && ai2_yfrac[0]))
lvl_shift1 = (1 << 13);
if((0 == clr_indx) && (ai2_xfrac[1] && ai2_yfrac[1]))
lvl_shift2 = (1 << 13);
if(clr_indx != 0)
{
pu_ht = (pu_ht >> 1);
}
ps_codec->s_func_selector.ihevc_weighted_pred_bi_default_fptr(pi2_tmp1,
pi2_tmp2,
pu1_dst,
pu_wd,
pu_wd,
ref_strd,
lvl_shift1,
lvl_shift2,
pu_ht,
pu_wd);
}
}
}
}