Initial Version of HEVC decoder
Compliant to reference software HM11.0 onwards
Bug: 14571712
Change-Id: I8af25c1221cc6ab70440141c4d9b48c1ac69696a
diff --git a/decoder/ihevcd_inter_pred.c b/decoder/ihevcd_inter_pred.c
new file mode 100644
index 0000000..cef3bee
--- /dev/null
+++ b/decoder/ihevcd_inter_pred.c
@@ -0,0 +1,676 @@
+/******************************************************************************
+*
+* 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"
+
+WORD8 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 */
+WORD8 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);
+
+#ifdef GPU_BUILD
+ if(ps_proc->u4_gpu_inter_flag == 1)
+ {
+ /* Only 16x16 PUs have been implemented on opencl device */
+ if((pu_wd % 16 == 0) && (pu_ht % 16 == 0) && (weighted_pred == 0))
+ {
+ //printf("Skipping Inter\n");
+ continue;
+ }
+ }
+#endif
+ 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 = 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 = 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);
+
+ }
+ }
+ }
+}