/****************************************************************************** * * 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 #include #include #include #include #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); } } } }