/****************************************************************************** * * Copyright (C) 2022 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ***************************************************************************** * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore */ /** ******************************************************************************* * @file * isvcd_process_epslice.c * * @brief * Contains routines that decode a I slice type * * @author * Kishore * * @remarks * None * ******************************************************************************* */ #include #include #include "ih264_typedefs.h" #include "ih264_macros.h" #include "ih264_platform_macros.h" #include "ih264d_bitstrm.h" #include "ih264d_defs.h" #include "ih264d_debug.h" #include "isvcd_structs.h" #include "ih264d_defs.h" #include "ih264d_parse_cavlc.h" #include "ih264d_mb_utils.h" #include "ih264d_deblocking.h" #include "ih264d_dpb_manager.h" #include "ih264d_mvpred.h" #include "ih264d_inter_pred.h" #include "ih264d_process_pslice.h" #include "isvcd_process_epslice.h" #include "ih264d_error_handler.h" #include "ih264d_cabac.h" #include "ih264d_debug.h" #include "ih264d_tables.h" #include "ih264d_parse_slice.h" #include "ih264d_utils.h" #include "ih264d_parse_islice.h" #include "ih264d_process_bslice.h" #include "ih264d_process_intra_mb.h" #include "isvcd_mode_mv_resamp.h" #include "ih264_debug.h" /*! ************************************************************************** * \if Function name : isvcd_retrive_infer_mode_mv \endif * * \brief * * \return * 0 on Success and Error code otherwise ************************************************************************** */ void isvcd_retrive_infer_mode_mv(svc_dec_lyr_struct_t *ps_svc_lyr_dec, mv_pred_t *ps_mvpred, UWORD8 u1_lx, UWORD8 u1_sub_mb_num) { mode_motion_ctxt_t *ps_ctxt; mv_pred_t *ps_motion_pred; UWORD8 u1_tmp_lx = (u1_lx << 1); ps_ctxt = (mode_motion_ctxt_t *) ps_svc_lyr_dec->pv_mode_mv_sample_ctxt; ps_motion_pred = ps_ctxt->ps_motion_pred_struct; ps_motion_pred += u1_sub_mb_num; ps_mvpred->i2_mv[u1_tmp_lx] = ps_motion_pred->i2_mv[u1_tmp_lx]; ps_mvpred->i2_mv[u1_tmp_lx + 1] = ps_motion_pred->i2_mv[u1_tmp_lx + 1]; return; } /*! ************************************************************************** * \if Function name : isvcd_interlyr_motion_mode_pred \endif * * \brief * * * \return * 0 on Success and Error code otherwise ************************************************************************** */ WORD32 isvcd_interlyr_motion_mode_pred(svc_dec_lyr_struct_t *ps_svc_lyr_dec, dec_mb_info_t *ps_cur_mb_info, dec_svc_mb_info_t *ps_svc_cur_mb_info, parse_pmbarams_t *ps_mb_part_info, parse_part_params_t *ps_part) { dec_struct_t *ps_dec = &ps_svc_lyr_dec->s_dec; WORD32 i4_inter_layer_pred_req_flag; WORD32 i4_listx; WORD32 i4_mb_mode = -1; i4_inter_layer_pred_req_flag = SVCD_FALSE; i4_listx = (ps_dec->ps_cur_slice->u1_slice_type == B_SLICE) ? 2 : 1; /* check Base mode flag and motion predcition flags */ if(1 == ps_svc_cur_mb_info->u1_base_mode_flag) { i4_inter_layer_pred_req_flag = SVCD_TRUE; } else { UWORD8 u1_mot_pred_flag; /* get the packed the motion pred flag of list 0 */ u1_mot_pred_flag = ps_svc_cur_mb_info->au1_motion_pred_flag[0]; /* extract the last 4 bits */ u1_mot_pred_flag &= 0x0F; if(0 != u1_mot_pred_flag) { i4_inter_layer_pred_req_flag = SVCD_TRUE; } /* check for list 1 flags if required */ if((2 == i4_listx) && (SVCD_FALSE == i4_inter_layer_pred_req_flag)) { /* get the packed the motion pred flag of list 1 */ u1_mot_pred_flag = ps_svc_cur_mb_info->au1_motion_pred_flag[1]; /* extract the last 4 bits */ u1_mot_pred_flag &= 0x0F; if(0 != u1_mot_pred_flag) { i4_inter_layer_pred_req_flag = SVCD_TRUE; } } } if(SVCD_TRUE == i4_inter_layer_pred_req_flag) { mode_motion_ctxt_t *ps_ctxt; mode_motion_lyr_ctxt *ps_lyr_mem; ps_ctxt = (mode_motion_ctxt_t *) ps_svc_lyr_dec->pv_mode_mv_sample_ctxt; /* get the current layer ctxt */ ps_lyr_mem = &ps_ctxt->as_res_lyr_mem[ps_ctxt->i4_res_id]; { ps_ctxt->i4_listx = i4_listx; i4_mb_mode = ps_lyr_mem->pf_inter_lyr_pred(ps_svc_lyr_dec->pv_mode_mv_sample_ctxt, ps_cur_mb_info, ps_svc_cur_mb_info, ps_dec, ps_mb_part_info, ps_part); } } return i4_mb_mode; } /*! ************************************************************************** * \if Function name : isvcd_mv_pred_ref_tfr_nby2_epmb \endif * * \brief * * \return * 0 on Success and Error code otherwise ************************************************************************** */ WORD32 isvcd_mv_pred_ref_tfr_nby2_epmb(dec_struct_t *ps_dec, UWORD8 u1_mb_idx, UWORD8 u1_num_mbs) { svc_dec_lyr_struct_t *ps_svc_lyr_dec = (svc_dec_lyr_struct_t *) ps_dec; parse_pmbarams_t *ps_mb_part_info; parse_part_params_t *ps_part; mv_pred_t *ps_mv_nmb, *ps_mv_nmb_start, *ps_mv_ntop, *ps_mv_ntop_start; UWORD32 i, j; const UWORD32 u1_mbaff = ps_dec->ps_cur_slice->u1_mbaff_frame_flag; dec_mb_info_t *ps_cur_mb_info; dec_svc_mb_info_t *ps_svc_cur_mb_info; WORD32 i2_mv_x, i2_mv_y; ps_dec->i4_submb_ofst -= (u1_num_mbs - u1_mb_idx) << 4; ps_mb_part_info = ps_dec->ps_parse_mb_data; ps_part = ps_dec->ps_parse_part_params; /* N/2 Mb MvPred and Transfer Setup Loop */ for(i = u1_mb_idx; i < u1_num_mbs; i++, ps_mb_part_info++) { UWORD32 u1_colz; UWORD32 u1_field; mv_pred_t s_mvPred = {0}; mv_pred_t *ps_mv_pred = &s_mvPred; *ps_mv_pred = ps_dec->s_default_mv_pred; ps_dec->i4_submb_ofst += SUB_BLK_SIZE; /* Restore the slice scratch MbX and MbY context */ ps_cur_mb_info = ps_dec->ps_nmb_info + i; ps_svc_cur_mb_info = ps_svc_lyr_dec->ps_svc_nmb_info + i; u1_field = ps_cur_mb_info->u1_mb_field_decodingflag; ps_mv_nmb_start = ps_dec->ps_mv_cur + (i << 4); ps_dec->u2_mbx = ps_cur_mb_info->u2_mbx; ps_dec->u2_mby = ps_cur_mb_info->u2_mby; ps_dec->u2_mv_2mb[i & 0x1] = 0; /* Look for MV Prediction and Reference Transfer in Non-I Mbs */ if(!ps_mb_part_info->u1_isI_mb) { UWORD32 u1_blk_no; WORD32 i1_ref_idx, i1_ref_idx1; UWORD32 u1_sub_mb_x, u1_sub_mb_y, u1_sub_mb_num; UWORD32 u1_num_part, u1_num_ref, u1_wd, u1_ht; UWORD32 *pu4_wt_offst, **ppu4_wt_ofst; UWORD32 u1_scale_ref, u4_bot_mb; WORD8 *pi1_ref_idx = ps_mb_part_info->i1_ref_idx[0]; pic_buffer_t *ps_ref_frame, **pps_ref_frame; deblk_mb_t *ps_cur_deblk_mb = ps_dec->ps_deblk_mbn + i; WORD32 i4_mb_mode_svc; UWORD8 u1_motion_pred_flag_l0 = ps_svc_cur_mb_info->au1_motion_pred_flag[0]; /* MB Level initialisations */ ps_dec->u4_num_pmbair = i >> u1_mbaff; ps_dec->u1_mb_idx_mv = i; ppu4_wt_ofst = ps_mb_part_info->pu4_wt_offst; pps_ref_frame = ps_dec->ps_ref_pic_buf_lx[0]; i4_mb_mode_svc = isvcd_interlyr_motion_mode_pred( ps_svc_lyr_dec, ps_cur_mb_info, ps_svc_cur_mb_info, ps_mb_part_info, ps_part); if((-1 == i4_mb_mode_svc) || (SVC_INTER_MB == i4_mb_mode_svc)) { ps_mv_ntop_start = ps_mv_nmb_start - (ps_dec->u2_frm_wd_in_mbs << (4 + u1_mbaff)) + 12; u1_num_part = ps_mb_part_info->u1_num_part; ps_cur_deblk_mb->u1_mb_type |= (u1_num_part > 1) << 1; ps_cur_mb_info->u4_pred_info_pkd_idx = ps_dec->u4_pred_info_pkd_idx; ps_cur_mb_info->u1_num_pred_parts = 0; /****************************************************/ /* weighted u4_ofst pointer calculations, this loop */ /* runs maximum 4 times, even in direct cases */ /****************************************************/ u1_scale_ref = u1_mbaff & u1_field; u4_bot_mb = 1 - ps_cur_mb_info->u1_topmb; if(ps_dec->ps_cur_pps->u1_wted_pred_flag) { u1_num_ref = MIN(u1_num_part, 4); for(u1_blk_no = 0; u1_blk_no < u1_num_ref; u1_blk_no++) { i1_ref_idx = pi1_ref_idx[u1_blk_no]; if(u1_scale_ref) i1_ref_idx >>= 1; pu4_wt_offst = (UWORD32 *) &ps_dec->pu4_wt_ofsts[2 * X3(i1_ref_idx)]; ppu4_wt_ofst[u1_blk_no] = pu4_wt_offst; } } else { ppu4_wt_ofst[0] = NULL; ppu4_wt_ofst[1] = NULL; ppu4_wt_ofst[2] = NULL; ppu4_wt_ofst[3] = NULL; } /**************************************************/ /* Loop on Partitions */ /**************************************************/ for(j = 0; j < u1_num_part; j++, ps_part++) { u1_sub_mb_num = ps_part->u1_sub_mb_num; ps_dec->u1_sub_mb_num = u1_sub_mb_num; if(PART_NOT_DIRECT != ps_part->u1_is_direct) { /* Mb Skip Mode */ /* Setting the default and other members of MvPred Structure */ s_mvPred.i2_mv[2] = -1; s_mvPred.i2_mv[3] = -1; s_mvPred.i1_ref_frame[0] = 0; i1_ref_idx = (u1_scale_ref && u4_bot_mb) ? MAX_REF_BUFS : 0; ps_ref_frame = pps_ref_frame[i1_ref_idx]; s_mvPred.u1_col_ref_pic_idx = ps_ref_frame->u1_mv_buf_id; s_mvPred.u1_pic_type = ps_ref_frame->u1_pic_type; pu4_wt_offst = (UWORD32 *) &ps_dec->pu4_wt_ofsts[0]; ps_dec->pf_mvpred(ps_dec, ps_cur_mb_info, ps_mv_nmb_start, ps_mv_ntop_start, &s_mvPred, 0, 4, 0, 1, MB_SKIP); { pred_info_pkd_t *ps_pred_pkd; ps_pred_pkd = ps_dec->ps_pred_pkd + ps_dec->u4_pred_info_pkd_idx; ih264d_fill_pred_info(s_mvPred.i2_mv, 4, 4, 0, PRED_L0, ps_pred_pkd, ps_ref_frame->u1_pic_buf_id, (i1_ref_idx >> u1_scale_ref), pu4_wt_offst, ps_ref_frame->u1_pic_type); ps_dec->u4_pred_info_pkd_idx++; ps_cur_mb_info->u1_num_pred_parts++; } /* Storing colocated zero information */ u1_colz = ((ABS(s_mvPred.i2_mv[0]) <= 1) && (ABS(s_mvPred.i2_mv[1]) <= 1)) + (u1_field << 1); if(ps_mv_nmb_start) { ih264d_rep_mv_colz(ps_dec, &s_mvPred, ps_mv_nmb_start, 0, u1_colz, 4, 4); } else { return NOT_OK; } } else { u1_sub_mb_x = u1_sub_mb_num & 0x03; u1_sub_mb_y = u1_sub_mb_num >> 2; u1_blk_no = (u1_num_part < 4) ? j : (((u1_sub_mb_y >> 1) << 1) + (u1_sub_mb_x >> 1)); ps_mv_ntop = ps_mv_ntop_start + u1_sub_mb_x; ps_mv_nmb = ps_mv_nmb_start + u1_sub_mb_num; u1_wd = ps_part->u1_partwidth; u1_ht = ps_part->u1_partheight; /* Populate the colpic info and reference frames */ i1_ref_idx = pi1_ref_idx[u1_blk_no]; /********************************************************************/ /* If reference index is inferred from the base layer and it is */ /* exceeding the number of active reference in the current layer. */ /* Then reference index is clipped to the max in the current layer */ /********************************************************************/ if(ps_svc_cur_mb_info->u1_base_mode_flag == 1) { if(i1_ref_idx > (ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[0] - 1)) { i1_ref_idx = ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[0] - 1; } } s_mvPred.i1_ref_frame[0] = i1_ref_idx; if((1 != ps_svc_cur_mb_info->u1_base_mode_flag) && (0 == (u1_motion_pred_flag_l0 & (1 << u1_blk_no)))) { /********************************************************/ /* Predict Mv */ /* Add Mv Residuals and store back */ /********************************************************/ ps_dec->pf_mvpred(ps_dec, ps_cur_mb_info, ps_mv_nmb, ps_mv_ntop, &s_mvPred, u1_sub_mb_num, u1_wd, 0, 1, ps_cur_mb_info->u1_mb_mc_mode); i2_mv_x = ps_mv_nmb->i2_mv[0]; i2_mv_y = ps_mv_nmb->i2_mv[1]; i2_mv_x += s_mvPred.i2_mv[0]; i2_mv_y += s_mvPred.i2_mv[1]; s_mvPred.i2_mv[0] = i2_mv_x; s_mvPred.i2_mv[1] = i2_mv_y; } else { isvcd_retrive_infer_mode_mv(ps_svc_lyr_dec, &s_mvPred, 0, u1_sub_mb_num); if(0 != (u1_motion_pred_flag_l0 & (1 << u1_blk_no))) { i2_mv_x = ps_mv_nmb->i2_mv[0]; i2_mv_y = ps_mv_nmb->i2_mv[1]; i2_mv_x += s_mvPred.i2_mv[0]; i2_mv_y += s_mvPred.i2_mv[1]; s_mvPred.i2_mv[0] = i2_mv_x; s_mvPred.i2_mv[1] = i2_mv_y; } i2_mv_x = s_mvPred.i2_mv[0]; i2_mv_y = s_mvPred.i2_mv[1]; } /********************************************************/ /* Transfer setup call */ /* convert RefIdx if it is MbAff */ /* Pass Weight Offset and refFrame */ /********************************************************/ i1_ref_idx1 = i1_ref_idx >> u1_scale_ref; if(u1_scale_ref && ((i1_ref_idx & 0x01) != u4_bot_mb)) i1_ref_idx1 += MAX_REF_BUFS; if(-1 == i1_ref_idx1) return NOT_OK; ps_ref_frame = pps_ref_frame[i1_ref_idx1]; pu4_wt_offst = ppu4_wt_ofst[u1_blk_no]; { pred_info_pkd_t *ps_pred_pkd; ps_pred_pkd = ps_dec->ps_pred_pkd + ps_dec->u4_pred_info_pkd_idx; ih264d_fill_pred_info(s_mvPred.i2_mv, u1_wd, u1_ht, u1_sub_mb_num, PRED_L0, ps_pred_pkd, ps_ref_frame->u1_pic_buf_id, (i1_ref_idx >> u1_scale_ref), pu4_wt_offst, ps_ref_frame->u1_pic_type); ps_dec->u4_pred_info_pkd_idx++; ps_cur_mb_info->u1_num_pred_parts++; } /* Fill colocated info in MvPred structure */ s_mvPred.u1_col_ref_pic_idx = ps_ref_frame->u1_mv_buf_id; s_mvPred.u1_pic_type = ps_ref_frame->u1_pic_type; /* Calculating colocated zero information */ u1_colz = (u1_field << 1) | ((i1_ref_idx == 0) && (ABS(i2_mv_x) <= 1) && (ABS(i2_mv_y) <= 1)); u1_colz |= ps_mb_part_info->u1_col_info[u1_blk_no]; /* Replicate the motion vectors and colzero u4_flag */ /* for all sub-partitions */ if(ps_mv_nmb) { ih264d_rep_mv_colz(ps_dec, &s_mvPred, ps_mv_nmb, u1_sub_mb_num, u1_colz, u1_ht, u1_wd); } else { return NOT_OK; } } } /* to take care of 16 parttitions increment for base mode flag case*/ if(1 == ps_svc_cur_mb_info->u1_base_mode_flag) { ps_part += (MAX_NUM_MB_PART - u1_num_part); } } else { ps_cur_deblk_mb->u1_mb_type |= D_INTRA_IBL; if((ps_svc_lyr_dec->u1_layer_identifier != TARGET_LAYER) && (DBLK_ENABLED == ps_dec->ps_cur_slice->u1_disable_dblk_filter_idc)) { ps_cur_deblk_mb->u1_deblocking_mode = MB_ENABLE_FILTERING; } /* to take care of 16 parttitions increment for base mode flag case*/ if(1 != ps_svc_cur_mb_info->u1_base_mode_flag) { return NOT_OK; } { ps_part += (MAX_NUM_MB_PART); } /* Storing colocated zero information */ if(ps_mv_nmb_start) { ih264d_rep_mv_colz(ps_dec, &s_mvPred, ps_mv_nmb_start, 0, (UWORD8) (u1_field << 1), 4, 4); } else { return NOT_OK; } } } else { /* Storing colocated zero information */ if(ps_mv_nmb_start) { ih264d_rep_mv_colz(ps_dec, &s_mvPred, ps_mv_nmb_start, 0, (UWORD8) (u1_field << 1), 4, 4); } else { return NOT_OK; } } } return OK; } /*! ************************************************************************** * \if Function name : isvcd_update_intra_mb_inter_layer_info \endif * * \brief : IT * This function decodes an Inter MB fornfor ot target base layers * Only for Progressive : saves residual for upper enhancement layers * * \return * 0 on Success and Error code otherwise ************************************************************************** */ void isvcd_update_intra_mb_inter_layer_info(svc_dec_lyr_struct_t *ps_svc_lyr_dec, dec_mb_info_t *ps_cur_mb_info) { ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb = ps_svc_lyr_dec->ps_inter_lyr_mb_prms_frm_start + ps_cur_mb_info->u2_mbx + (ps_svc_lyr_dec->u2_inter_lyr_mb_prms_stride * (ps_cur_mb_info->u2_mby)); ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->i1_mb_mode = SVC_INTRA_MB; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->i1_tx_size = ps_cur_mb_info->u1_tran_form8x8; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u2_luma_nnz = 0; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u1_chroma_nnz = 0; } /*! ************************************************************************** * \if Function name : isvcd_update_ipcm_mb_inter_layer_info \endif * * \brief : IT * This function decodes an IPM MB fornfor ot target base layers * Only for Progressive : saves residual for upper enhancement layers * * \return * 0 on Success and Error code otherwise ************************************************************************** */ void isvcd_update_ipcm_mb_inter_layer_info(svc_dec_lyr_struct_t *ps_svc_lyr_dec, dec_mb_info_t *ps_cur_mb_info) { ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->i1_mb_mode = SVC_IPCM_MB; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->i1_tx_size = ps_cur_mb_info->u1_tran_form8x8; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u2_luma_nnz = 0; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u1_chroma_nnz = 0; } /*! ************************************************************************** * \if Function name : isvcd_update_ibl_mb_inter_layer_info \endif * * \brief : IT * This function decodes an IBL MB fornfor ot target base layers * Only for Progressive : saves residual for upper enhancement layers * * \return * 0 on Success and Error code otherwise ************************************************************************** */ void isvcd_update_ibl_mb_inter_layer_info(svc_dec_lyr_struct_t *ps_svc_lyr_dec, dec_mb_info_t *ps_cur_mb_info) { ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->i1_mb_mode = SVC_IBL_MB; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->i1_tx_size = ps_cur_mb_info->u1_tran_form8x8; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u2_luma_nnz = 0; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u1_chroma_nnz = 0; } /*! ************************************************************************** * \if Function name : isvcd_update_inter_mb_inter_layer_info \endif * * \brief : IT * This function decodes an IBL MB fornfor ot target base layers * Only for Progressive : saves residual for upper enhancement layers * * \return * 0 on Success and Error code otherwise ************************************************************************** */ void isvcd_update_inter_mb_inter_layer_info(svc_dec_lyr_struct_t *ps_svc_lyr_dec, dec_mb_info_t *ps_cur_mb_info, UWORD8 u1_inference_mode) { ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb = ps_svc_lyr_dec->ps_inter_lyr_mb_prms_frm_start + ps_cur_mb_info->u2_mbx + (ps_svc_lyr_dec->u2_inter_lyr_mb_prms_stride * (ps_cur_mb_info->u2_mby)); ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->i1_mb_mode = u1_inference_mode ? SVC_IBL_MB : SVC_INTER_MB; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->i1_tx_size = ps_cur_mb_info->u1_tran_form8x8; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u2_luma_nnz = ps_cur_mb_info->u2_luma_csbp; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u1_chroma_nnz = (UWORD8) ps_cur_mb_info->u2_chroma_csbp; if(CHECKBIT(ps_cur_mb_info->u1_yuv_dc_block_flag, 1)) { /* Four bits for Cb in DC only cbp */ ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u1_chroma_nnz |= 0x0F; } if(CHECKBIT(ps_cur_mb_info->u1_yuv_dc_block_flag, 2)) { /* Four bits for Cr in DC only cbp */ ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u1_chroma_nnz |= 0xF0; } } /*! ************************************************************************** * \if Function name : isvcd_process_inter_mb_no_rsd_pred_non_target \endif * * \brief : IT * This function decodes an Inter MB fornfor ot target base layers * Only for Progressive : saves residual for upper enhancement layers * * \return * 0 on Success and Error code otherwise ************************************************************************** */ WORD32 isvcd_process_inter_mb_no_rsd_pred_non_target(svc_dec_lyr_struct_t *ps_svc_lyr_dec, dec_mb_info_t *ps_cur_mb_info, UWORD8 u1_inference_mode) { dec_struct_t *ps_dec = &ps_svc_lyr_dec->s_dec; UWORD16 u2_luma_stride, u2_chroma_stride; WORD16 *pi2_y_coeff, *pi2_luma_res_ptr, *pi2_chroma_res_ptr; UWORD32 u4_luma_dc_only_csbp = 0; UWORD32 u4_luma_dc_only_cbp = 0; if(0 != ps_dec->ps_cur_slice->u1_mbaff_frame_flag) { return NOT_OK; } u2_luma_stride = ps_svc_lyr_dec->u2_residual_resample_luma_stride; pi2_luma_res_ptr = ps_svc_lyr_dec->pi2_il_residual_resample_mb_luma_frm_start + (ps_cur_mb_info->u2_mbx << 4) + ((ps_cur_mb_info->u2_mby << 4) * u2_luma_stride); u2_chroma_stride = ps_svc_lyr_dec->u2_residual_resample_chroma_stride; pi2_chroma_res_ptr = ps_svc_lyr_dec->pi2_il_residual_resample_mb_chroma_frm_start + (ps_cur_mb_info->u2_mbx << 4) + ((ps_cur_mb_info->u2_mby << 3) * u2_chroma_stride); if(!ps_cur_mb_info->u1_tran_form8x8) { u4_luma_dc_only_csbp = ih264d_unpack_luma_coeff4x4_mb(ps_dec, ps_cur_mb_info, 0); } else { if(!ps_dec->ps_cur_pps->u1_entropy_coding_mode) { u4_luma_dc_only_cbp = ih264d_unpack_luma_coeff4x4_mb(ps_dec, ps_cur_mb_info, 0); } else { u4_luma_dc_only_cbp = ih264d_unpack_luma_coeff8x8_mb(ps_dec, ps_cur_mb_info); } } pi2_y_coeff = ps_dec->pi2_coeff_data; /* Inverse Transform and Reconstruction */ if(ps_cur_mb_info->u1_cbp & 0x0f) { if(!ps_cur_mb_info->u1_tran_form8x8) { UWORD32 i; WORD16 ai2_tmp[16] = {0}; for(i = 0; i < 16; i++) { if(CHECKBIT(ps_cur_mb_info->u2_luma_csbp, i)) { WORD16 *pi2_level = pi2_y_coeff + (i << 4); WORD16 *pi2_out = pi2_luma_res_ptr + ((i & 0x3) * BLK_SIZE) + (i >> 2) * (u2_luma_stride << 2); PROFILE_DISABLE_IQ_IT_RECON() { if(CHECKBIT(u4_luma_dc_only_csbp, i)) { ps_svc_lyr_dec->pf_iquant_itrans_luma_4x4_dc( pi2_level, pi2_out, u2_luma_stride, gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qp_rem6], (UWORD16 *) ps_dec->s_high_profile.i2_scalinglist4x4[3], ps_cur_mb_info->u1_qp_div6, ai2_tmp, 0, NULL); } else { ps_svc_lyr_dec->pf_iquant_itrans_luma_4x4( pi2_level, pi2_out, u2_luma_stride, gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qp_rem6], (UWORD16 *) ps_dec->s_high_profile.i2_scalinglist4x4[3], ps_cur_mb_info->u1_qp_div6, ai2_tmp, 0, NULL); } } } } } else { WORD16 *pi2_scale_matrix_ptr; WORD32 i; pi2_scale_matrix_ptr = ps_dec->s_high_profile.i2_scalinglist8x8[1]; for(i = 0; i < 4; i++) { WORD16 ai2_tmp[64] = {0}; WORD16 *pi16_levelBlock = pi2_y_coeff + (i << 6); /* move to the next 8x8 adding 64 */ WORD16 *pi2_out = pi2_luma_res_ptr + ((i & 0x1) * BLK8x8SIZE) + (i >> 1) * (u2_luma_stride << 3); if(CHECKBIT(ps_cur_mb_info->u1_cbp, i)) { PROFILE_DISABLE_IQ_IT_RECON() { if(CHECKBIT(u4_luma_dc_only_cbp, i)) { ps_svc_lyr_dec->pf_iquant_itrans_luma_8x8_dc( pi16_levelBlock, pi2_out, u2_luma_stride, gau1_ih264d_dequant8x8_cavlc[ps_cur_mb_info->u1_qp_rem6], (UWORD16 *) pi2_scale_matrix_ptr, ps_cur_mb_info->u1_qp_div6, ai2_tmp, 0, NULL); } else { ps_svc_lyr_dec->pf_iquant_itrans_luma_8x8( pi16_levelBlock, pi2_out, u2_luma_stride, gau1_ih264d_dequant8x8_cavlc[ps_cur_mb_info->u1_qp_rem6], (UWORD16 *) pi2_scale_matrix_ptr, ps_cur_mb_info->u1_qp_div6, ai2_tmp, 0, NULL); } } } } } } /* Decode Chroma Block */ ih264d_unpack_chroma_coeff4x4_mb(ps_dec, ps_cur_mb_info); /*--------------------------------------------------------------------*/ /* Chroma Blocks decoding */ /*--------------------------------------------------------------------*/ { UWORD8 u1_chroma_cbp = (UWORD8) (ps_cur_mb_info->u1_cbp >> 4); if(u1_chroma_cbp != CBPC_ALLZERO) { UWORD32 u4_scale_u = ps_cur_mb_info->u1_qpc_div6; UWORD32 u4_scale_v = ps_cur_mb_info->u1_qpcr_div6; UWORD16 u2_chroma_csbp = ps_cur_mb_info->u2_chroma_csbp; pi2_y_coeff = ps_dec->pi2_coeff_data; { UWORD32 i; WORD16 ai2_tmp[16] = {0}; for(i = 0; i < 4; i++) { WORD16 *pi2_level = pi2_y_coeff + (i << 4); WORD16 *pi2_out = pi2_chroma_res_ptr + ((i & 0x1) * BLK_SIZE * YUV420SP_FACTOR) + (i >> 1) * (u2_chroma_stride << 2); PROFILE_DISABLE_IQ_IT_RECON() { if(CHECKBIT(u2_chroma_csbp, i)) { ps_svc_lyr_dec->pf_iquant_itrans_chroma_4x4( pi2_level, pi2_out, u2_chroma_stride, gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qpc_rem6], (UWORD16 *) ps_dec->s_high_profile.i2_scalinglist4x4[4], u4_scale_u, ai2_tmp, pi2_level); } else if(pi2_level[0] != 0) { ps_svc_lyr_dec->pf_iquant_itrans_chroma_4x4_dc( pi2_level, pi2_out, u2_chroma_stride, gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qpc_rem6], (UWORD16 *) ps_dec->s_high_profile.i2_scalinglist4x4[4], u4_scale_u, ai2_tmp, pi2_level); } } } } pi2_y_coeff += MB_CHROM_SIZE; u2_chroma_csbp >>= 4; { UWORD32 i; WORD16 ai2_tmp[16] = {0}; for(i = 0; i < 4; i++) { WORD16 *pi2_level = pi2_y_coeff + (i << 4); WORD16 *pi2_out = pi2_chroma_res_ptr + 1 + ((i & 0x1) * BLK_SIZE * YUV420SP_FACTOR) + (i >> 1) * (u2_chroma_stride << 2); PROFILE_DISABLE_IQ_IT_RECON() { if(CHECKBIT(u2_chroma_csbp, i)) { ps_svc_lyr_dec->pf_iquant_itrans_chroma_4x4( pi2_level, pi2_out, u2_chroma_stride, gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qpcr_rem6], (UWORD16 *) ps_dec->s_high_profile.i2_scalinglist4x4[5], u4_scale_v, ai2_tmp, pi2_level); } else if(pi2_level[0] != 0) { ps_svc_lyr_dec->pf_iquant_itrans_chroma_4x4_dc( pi2_level, pi2_out, u2_chroma_stride, gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qpcr_rem6], (UWORD16 *) ps_dec->s_high_profile.i2_scalinglist4x4[5], u4_scale_v, ai2_tmp, pi2_level); } } } } } } ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb = ps_svc_lyr_dec->ps_inter_lyr_mb_prms_frm_start + ps_cur_mb_info->u2_mbx + (ps_svc_lyr_dec->u2_inter_lyr_mb_prms_stride * (ps_cur_mb_info->u2_mby)); ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->i1_mb_mode = u1_inference_mode ? SVC_IBL_MB : SVC_INTER_MB; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->i1_tx_size = ps_cur_mb_info->u1_tran_form8x8; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u2_luma_nnz = ps_cur_mb_info->u2_luma_csbp; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u1_chroma_nnz = (UWORD8) ps_cur_mb_info->u2_chroma_csbp; if(CHECKBIT(ps_cur_mb_info->u1_yuv_dc_block_flag, 1)) { /* Four bits for Cb in DC only cbp */ ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u1_chroma_nnz |= 0x0F; } if(CHECKBIT(ps_cur_mb_info->u1_yuv_dc_block_flag, 2)) { /* Four bits for Cr in DC only cbp */ ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u1_chroma_nnz |= 0xF0; } return OK; } /*! ************************************************************************** * \if Function name : isvcd_process_inter_mb_rsd_pred_non_target \endif * * \brief : IT + Residual : * This function decodes an Inter MB for non target layers * Only for Progressive : saves residual + IT for upper enhancement layers * * \return * 0 on Success and Error code otherwise ************************************************************************** */ WORD32 isvcd_process_inter_mb_rsd_pred_non_target(svc_dec_lyr_struct_t *ps_svc_lyr_dec, dec_mb_info_t *ps_cur_mb_info, UWORD8 u1_inference_mode, UWORD16 *pu2_res_luma_csbp) { dec_struct_t *ps_dec = &ps_svc_lyr_dec->s_dec; UWORD16 u2_luma_stride, u2_chroma_stride; WORD16 *pi2_y_coeff, *pi2_luma_res_ptr, *pi2_chroma_res_ptr; UWORD32 u4_luma_dc_only_csbp = 0; UWORD32 u4_luma_dc_only_cbp = 0; UWORD16 u2_res_luma_csbp = 0; UWORD16 u2_res_chroma_csbp = 0, u2_res_chroma_nnz = 0; WORD32 ret; if(0 != ps_dec->ps_cur_slice->u1_mbaff_frame_flag) { return NOT_OK; } u2_luma_stride = ps_svc_lyr_dec->u2_residual_resample_luma_stride; pi2_luma_res_ptr = ps_svc_lyr_dec->pi2_il_residual_resample_mb_luma_frm_start + (ps_cur_mb_info->u2_mbx << 4) + ((ps_cur_mb_info->u2_mby << 4) * u2_luma_stride); u2_chroma_stride = ps_svc_lyr_dec->u2_residual_resample_chroma_stride; pi2_chroma_res_ptr = ps_svc_lyr_dec->pi2_il_residual_resample_mb_chroma_frm_start + (ps_cur_mb_info->u2_mbx << 4) + ((ps_cur_mb_info->u2_mby << 3) * u2_chroma_stride); // residual prediction SVC ret = isvcd_process_residual_resample_mb(ps_svc_lyr_dec, ps_cur_mb_info); if(ret != OK) { return ret; } if(!ps_cur_mb_info->u1_tran_form8x8) { u4_luma_dc_only_csbp = ih264d_unpack_luma_coeff4x4_mb(ps_dec, ps_cur_mb_info, 0); } else { if(!ps_dec->ps_cur_pps->u1_entropy_coding_mode) { u4_luma_dc_only_cbp = ih264d_unpack_luma_coeff4x4_mb(ps_dec, ps_cur_mb_info, 0); } else { u4_luma_dc_only_cbp = ih264d_unpack_luma_coeff8x8_mb(ps_dec, ps_cur_mb_info); } } *pu2_res_luma_csbp = 0; pi2_y_coeff = ps_dec->pi2_coeff_data; /* Inverse Transform and Reconstruction */ if(ps_cur_mb_info->u1_cbp & 0x0f) { if(!ps_cur_mb_info->u1_tran_form8x8) { UWORD32 i; WORD16 ai2_tmp[16] = {0}; for(i = 0; i < 16; i++) { if(CHECKBIT(ps_cur_mb_info->u2_luma_csbp, i)) { WORD16 *pi2_level = pi2_y_coeff + (i << 4); WORD16 *pi2_out = pi2_luma_res_ptr + ((i & 0x3) * BLK_SIZE) + (i >> 2) * (u2_luma_stride << 2); PROFILE_DISABLE_IQ_IT_RECON() { if(CHECKBIT(u4_luma_dc_only_csbp, i)) { u2_res_luma_csbp = ps_svc_lyr_dec->pf_iquant_itrans_residual_luma_4x4_dc( pi2_level, pi2_out, pi2_out, u2_luma_stride, u2_luma_stride, gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qp_rem6], (UWORD16 *) ps_dec->s_high_profile.i2_scalinglist4x4[3], ps_cur_mb_info->u1_qp_div6, ai2_tmp, 0, NULL); } else { u2_res_luma_csbp = ps_svc_lyr_dec->pf_iquant_itrans_residual_luma_4x4( pi2_level, pi2_out, pi2_out, u2_luma_stride, u2_luma_stride, gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qp_rem6], (UWORD16 *) ps_dec->s_high_profile.i2_scalinglist4x4[3], ps_cur_mb_info->u1_qp_div6, ai2_tmp, 0, NULL); } } } else { WORD16 *pi2_out = pi2_luma_res_ptr + ((i & 0x3) * BLK_SIZE) + (i >> 2) * (u2_luma_stride << 2); u2_res_luma_csbp = ps_svc_lyr_dec->pf_residual_luma_4x4(pi2_out, u2_luma_stride); } *pu2_res_luma_csbp |= (u2_res_luma_csbp << i); } } else { WORD16 *pi2_scale_matrix_ptr; WORD32 i; pi2_scale_matrix_ptr = ps_dec->s_high_profile.i2_scalinglist8x8[1]; for(i = 0; i < 4; i++) { WORD16 ai2_tmp[64] = {0}; WORD16 *pi16_levelBlock = pi2_y_coeff + (i << 6); /* move to the next 8x8 adding 64 */ WORD16 *pi2_out = pi2_luma_res_ptr + ((i & 0x1) * BLK8x8SIZE) + (i >> 1) * (u2_luma_stride << 3); if(CHECKBIT(ps_cur_mb_info->u1_cbp, i)) { PROFILE_DISABLE_IQ_IT_RECON() { if(CHECKBIT(u4_luma_dc_only_cbp, i)) { u2_res_luma_csbp = ps_svc_lyr_dec->pf_iquant_itrans_residual_luma_8x8_dc( pi16_levelBlock, pi2_out, pi2_out, u2_luma_stride, u2_luma_stride, gau1_ih264d_dequant8x8_cavlc[ps_cur_mb_info->u1_qp_rem6], (UWORD16 *) pi2_scale_matrix_ptr, ps_cur_mb_info->u1_qp_div6, ai2_tmp, 0, NULL); } else { u2_res_luma_csbp = ps_svc_lyr_dec->pf_iquant_itrans_residual_luma_8x8( pi16_levelBlock, pi2_out, pi2_out, u2_luma_stride, u2_luma_stride, gau1_ih264d_dequant8x8_cavlc[ps_cur_mb_info->u1_qp_rem6], (UWORD16 *) pi2_scale_matrix_ptr, ps_cur_mb_info->u1_qp_div6, ai2_tmp, 0, NULL); } } } else { WORD16 *pi2_out = pi2_luma_res_ptr + ((i & 0x1) * BLK8x8SIZE) + (i >> 1) * (u2_luma_stride << 3); u2_res_luma_csbp = ps_svc_lyr_dec->pf_residual_luma_8x8(pi2_out, u2_luma_stride); } *pu2_res_luma_csbp |= (u2_res_luma_csbp << (((i >> 1) << 3) + ((i & 0x01) << 1))); } } } else { WORD16 *pi2_out = pi2_luma_res_ptr; *pu2_res_luma_csbp = ps_svc_lyr_dec->pf_residual_luma_16x16(pi2_out, u2_luma_stride); } /* Decode Chroma Block */ ih264d_unpack_chroma_coeff4x4_mb(ps_dec, ps_cur_mb_info); /*--------------------------------------------------------------------*/ /* Chroma Blocks decoding */ /*--------------------------------------------------------------------*/ { UWORD8 u1_chroma_cbp = (UWORD8) (ps_cur_mb_info->u1_cbp >> 4); u2_res_chroma_nnz = ps_svc_lyr_dec->pf_residual_chroma_cb_cr_8x8(pi2_chroma_res_ptr, u2_chroma_stride); if(u1_chroma_cbp != CBPC_ALLZERO) { UWORD32 u4_scale_u = ps_cur_mb_info->u1_qpc_div6; UWORD32 u4_scale_v = ps_cur_mb_info->u1_qpcr_div6; UWORD16 u2_chroma_csbp = ps_cur_mb_info->u2_chroma_csbp; pi2_y_coeff = ps_dec->pi2_coeff_data; { UWORD32 i; WORD16 ai2_tmp[16] = {0}; for(i = 0; i < 4; i++) { WORD16 *pi2_level = pi2_y_coeff + (i << 4); WORD16 *pi2_out = pi2_chroma_res_ptr + ((i & 0x1) * BLK_SIZE * YUV420SP_FACTOR) + (i >> 1) * (u2_chroma_stride << 2); PROFILE_DISABLE_IQ_IT_RECON() { if(CHECKBIT(u2_chroma_csbp, i)) { u2_res_chroma_csbp = ps_svc_lyr_dec->pf_iquant_itrans_residual_chroma_4x4( pi2_level, pi2_out, pi2_out, u2_chroma_stride, u2_chroma_stride, gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qpc_rem6], (UWORD16 *) ps_dec->s_high_profile.i2_scalinglist4x4[4], u4_scale_u, ai2_tmp, pi2_level); u2_res_chroma_nnz &= (0XFF ^ (1 << i)); u2_res_chroma_nnz |= (u2_res_chroma_csbp << i); } else if(pi2_level[0] != 0) { u2_res_chroma_csbp = ps_svc_lyr_dec->pf_iquant_itrans_residual_chroma_4x4_dc( pi2_level, pi2_out, pi2_out, u2_chroma_stride, u2_chroma_stride, gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qpc_rem6], (UWORD16 *) ps_dec->s_high_profile.i2_scalinglist4x4[4], u4_scale_u, ai2_tmp, pi2_level); u2_res_chroma_nnz &= (0XFF ^ (1 << i)); u2_res_chroma_nnz |= (u2_res_chroma_csbp << i); } } } } pi2_y_coeff += MB_CHROM_SIZE; u2_chroma_csbp >>= 4; { UWORD32 i; WORD16 ai2_tmp[16] = {0}; for(i = 0; i < 4; i++) { WORD16 *pi2_level = pi2_y_coeff + (i << 4); WORD16 *pi2_out = pi2_chroma_res_ptr + 1 + ((i & 0x1) * BLK_SIZE * YUV420SP_FACTOR) + (i >> 1) * (u2_chroma_stride << 2); PROFILE_DISABLE_IQ_IT_RECON() { if(CHECKBIT(u2_chroma_csbp, i)) { u2_res_chroma_csbp = ps_svc_lyr_dec->pf_iquant_itrans_residual_chroma_4x4( pi2_level, pi2_out, pi2_out, u2_chroma_stride, u2_chroma_stride, gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qpcr_rem6], (UWORD16 *) ps_dec->s_high_profile.i2_scalinglist4x4[5], u4_scale_v, ai2_tmp, pi2_level); u2_res_chroma_nnz &= (0XFF ^ (1 << (i + 4))); u2_res_chroma_nnz |= (u2_res_chroma_csbp << (i + 4)); } else if(pi2_level[0] != 0) { u2_res_chroma_csbp = ps_svc_lyr_dec->pf_iquant_itrans_residual_chroma_4x4_dc( pi2_level, pi2_out, pi2_out, u2_chroma_stride, u2_chroma_stride, gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qpcr_rem6], (UWORD16 *) ps_dec->s_high_profile.i2_scalinglist4x4[5], u4_scale_v, ai2_tmp, pi2_level); u2_res_chroma_nnz &= (0XFF ^ (1 << (i + 4))); u2_res_chroma_nnz |= (u2_res_chroma_csbp << (i + 4)); } } } } } } ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb = ps_svc_lyr_dec->ps_inter_lyr_mb_prms_frm_start + ps_cur_mb_info->u2_mbx + (ps_svc_lyr_dec->u2_inter_lyr_mb_prms_stride * (ps_cur_mb_info->u2_mby)); ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->i1_mb_mode = u1_inference_mode ? SVC_IBL_MB : SVC_INTER_MB; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->i1_tx_size = ps_cur_mb_info->u1_tran_form8x8; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u2_luma_nnz = *pu2_res_luma_csbp; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u1_chroma_nnz = (UWORD8) u2_res_chroma_nnz; return OK; } /*! ************************************************************************** * \if Function name : isvcd_process_ii_mb \endif * * \brief * This function decodes an intra inter mb * * \return * 0 on Success and Error code otherwise ************************************************************************** */ WORD32 isvcd_process_ii_mb(svc_dec_lyr_struct_t *ps_svc_lyr_dec, dec_mb_info_t *ps_cur_mb_info, dec_svc_mb_info_t *ps_svc_cur_mb_info, UWORD8 u1_mb_num) { res_prms_t *ps_res_prms; WORD32 i4_status; UWORD8 u1_ii_mb_mode = 0; mb_coord_t s_mb_coord = {0}; mem_element_t s_ref_mb_mode = {0}; svc_dec_lyr_struct_t *ps_svc_dec_ref_layer; ps_svc_dec_ref_layer = ps_svc_lyr_dec->ps_dec_svc_ref_layer; ps_res_prms = &ps_svc_lyr_dec->s_res_prms; s_mb_coord.u2_mb_x = ps_cur_mb_info->u2_mbx; s_mb_coord.u2_mb_y = ps_cur_mb_info->u2_mby; /* Restricted resolution change has significance only */ /* at resolution change layer */ if(SVCD_FALSE == ps_res_prms->u1_rstrct_res_change_flag) { s_ref_mb_mode.pv_buffer = ps_svc_dec_ref_layer->ps_inter_lyr_mb_prms_frm_start; s_ref_mb_mode.i4_element_size = sizeof(inter_lyr_mb_prms_t); s_ref_mb_mode.i4_num_element_stride = ps_svc_dec_ref_layer->u2_inter_lyr_mb_prms_stride; i4_status = isvcd_ii_pred_compute_flags_mb(ps_svc_lyr_dec->pv_ii_pred_ctxt, &s_ref_mb_mode, &s_mb_coord, ps_cur_mb_info, ps_svc_cur_mb_info, &u1_ii_mb_mode); if(OK != i4_status) { return i4_status; } } if(SVC_INTRA_INTER_MB == u1_ii_mb_mode) { i4_status = isvcd_process_ibl_mb(ps_svc_lyr_dec, ps_cur_mb_info, u1_mb_num, 1); if(OK != i4_status) { return i4_status; } isvcd_ii_pred_mb(ps_svc_lyr_dec, ps_cur_mb_info); } return OK; } /*! ************************************************************************** * \if Function name : isvcd_decode_recon_tfr_nmb_non_base_lyr \endif * * \brief * * * \return * 0 on Success and Error code otherwise ************************************************************************** */ WORD32 isvcd_decode_recon_tfr_nmb_non_base_lyr(svc_dec_lyr_struct_t *ps_svc_lyr_dec, UWORD8 u1_mb_idx, UWORD8 u1_num_mbs, UWORD8 u1_num_mbs_next, UWORD8 u1_tfr_n_mb, UWORD8 u1_end_of_row) { WORD32 i, j; dec_struct_t *ps_dec = &ps_svc_lyr_dec->s_dec; UWORD32 u1_end_of_row_next; dec_mb_info_t *ps_cur_mb_info; dec_svc_mb_info_t *ps_svc_cur_mb_info; UWORD16 *pu2_res_luma_csbp; const UWORD32 u1_mbaff = ps_dec->ps_cur_slice->u1_mbaff_frame_flag; const UWORD32 u1_slice_type = ps_dec->ps_cur_slice->u1_slice_type; const WORD32 u1_skip_th = ((u1_slice_type != I_SLICE) ? (ps_dec->u1_B ? B_8x8 : PRED_8x8R0) : -1); const UWORD32 u1_ipcm_th = ((u1_slice_type != I_SLICE) ? (ps_dec->u1_B ? 23 : 5) : 0); WORD32 ret = OK; if(!((0 == ps_svc_lyr_dec->u1_base_res_flag) || ((1 == ps_svc_lyr_dec->u1_base_res_flag) && (1 == ps_svc_lyr_dec->ps_nal_svc_ext->u1_no_inter_layer_pred_flag)))) { return NOT_OK; } /* N Mb MC Loop */ for(i = u1_mb_idx; i < u1_num_mbs; i++) { ps_cur_mb_info = ps_dec->ps_nmb_info + i; ps_dec->u4_dma_buf_idx = 0; ps_dec->u4_pred_info_idx = 0; /*Pointer assignment for Residual NNZ */ pu2_res_luma_csbp = ps_svc_lyr_dec->pu2_frm_res_luma_csbp + ps_cur_mb_info->u2_mbx; pu2_res_luma_csbp += ps_cur_mb_info->u2_mby * ps_svc_lyr_dec->i4_frm_res_luma_csbp_stride; if(ps_cur_mb_info->u1_mb_type <= u1_skip_th) { { WORD32 pred_cnt = 0; pred_info_pkd_t *ps_pred_pkd; UWORD32 u4_pred_info_pkd_idx; u4_pred_info_pkd_idx = ps_cur_mb_info->u4_pred_info_pkd_idx; while(pred_cnt < ps_cur_mb_info->u1_num_pred_parts) { ps_pred_pkd = ps_dec->ps_pred_pkd + u4_pred_info_pkd_idx; ps_dec->p_form_mb_part_info(ps_pred_pkd, ps_dec, ps_cur_mb_info->u2_mbx, ps_cur_mb_info->u2_mby, (i >> u1_mbaff), ps_cur_mb_info); u4_pred_info_pkd_idx++; pred_cnt++; } } if(ps_svc_lyr_dec->u1_layer_identifier == TARGET_LAYER) { ps_dec->p_motion_compensate(ps_dec, ps_cur_mb_info); } } else if(ps_cur_mb_info->u1_mb_type == MB_SKIP) { { WORD32 pred_cnt = 0; pred_info_pkd_t *ps_pred_pkd; UWORD32 u4_pred_info_pkd_idx; u4_pred_info_pkd_idx = ps_cur_mb_info->u4_pred_info_pkd_idx; while(pred_cnt < ps_cur_mb_info->u1_num_pred_parts) { ps_pred_pkd = ps_dec->ps_pred_pkd + u4_pred_info_pkd_idx; ps_dec->p_form_mb_part_info(ps_pred_pkd, ps_dec, ps_cur_mb_info->u2_mbx, ps_cur_mb_info->u2_mby, (i >> u1_mbaff), ps_cur_mb_info); u4_pred_info_pkd_idx++; pred_cnt++; } } if(ps_svc_lyr_dec->u1_layer_identifier == TARGET_LAYER) { /* Decode MB skip */ ps_dec->p_motion_compensate(ps_dec, ps_cur_mb_info); } *pu2_res_luma_csbp = 0; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb = ps_svc_lyr_dec->ps_inter_lyr_mb_prms_frm_start + ps_cur_mb_info->u2_mbx + (ps_svc_lyr_dec->u2_inter_lyr_mb_prms_stride * (ps_cur_mb_info->u2_mby)); ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->i1_mb_mode = SVC_INTER_MB; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->i1_tx_size = ps_cur_mb_info->u1_tran_form8x8; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u2_luma_nnz = 0; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u1_chroma_nnz = 0; } } /* N Mb IQ IT RECON Loop */ for(j = u1_mb_idx; j < i; j++) { ps_cur_mb_info = ps_dec->ps_nmb_info + j; ps_svc_cur_mb_info = ps_svc_lyr_dec->ps_svc_nmb_info + j; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb = ps_svc_lyr_dec->ps_inter_lyr_mb_prms_frm_start + ps_cur_mb_info->u2_mbx + (ps_svc_lyr_dec->u2_inter_lyr_mb_prms_stride * (ps_cur_mb_info->u2_mby)); ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->i1_slice_id = (WORD8) ps_dec->u2_cur_slice_num; /*Pointer assignment for Residual NNZ */ pu2_res_luma_csbp = ps_svc_lyr_dec->pu2_frm_res_luma_csbp + ps_cur_mb_info->u2_mbx; pu2_res_luma_csbp += ps_cur_mb_info->u2_mby * ps_svc_lyr_dec->i4_frm_res_luma_csbp_stride; if(ps_cur_mb_info->u1_mb_type <= u1_skip_th) { if(ps_svc_lyr_dec->u1_layer_identifier == TARGET_LAYER) { /* inter intra pred generation */ if(SVCD_FALSE == ps_svc_lyr_dec->u1_dyadic_flag) { ret = isvcd_process_ii_mb(ps_svc_lyr_dec, ps_cur_mb_info, ps_svc_cur_mb_info, j); if(ret != OK) return ret; } if(0 == ps_svc_cur_mb_info->u1_residual_prediction_flag) { // IT + Recon ih264d_process_inter_mb(ps_dec, ps_cur_mb_info, j); isvcd_update_inter_mb_inter_layer_info(ps_svc_lyr_dec, ps_cur_mb_info, 0); *pu2_res_luma_csbp = ps_cur_mb_info->u2_luma_csbp; } else { // IT + Residual + Recon ret = isvcd_process_inter_mb_rsd_pred_target_lyr(ps_svc_lyr_dec, ps_cur_mb_info, j, 0, pu2_res_luma_csbp); if(ret != OK) return ret; } } else if(ps_svc_lyr_dec->u1_layer_identifier == MEDIAL_ENHANCEMENT_LAYER) { if(0 == ps_svc_cur_mb_info->u1_residual_prediction_flag) { // IT : to be consumed by Target ret = isvcd_process_inter_mb_no_rsd_pred_non_target(ps_svc_lyr_dec, ps_cur_mb_info, 0); *pu2_res_luma_csbp = ps_cur_mb_info->u2_luma_csbp; if(ret != OK) return ret; } else { // IT + Residual : to be consumed by target ret = isvcd_process_inter_mb_rsd_pred_non_target(ps_svc_lyr_dec, ps_cur_mb_info, 0, pu2_res_luma_csbp); if(ret != OK) return ret; } } else { return NOT_OK; } } else if((ps_cur_mb_info->u1_mb_type != MB_SKIP) && (ps_cur_mb_info->u1_mb_type != MB_INFER)) { if((u1_ipcm_th + 25) != ps_cur_mb_info->u1_mb_type) { ps_cur_mb_info->u1_mb_type -= (u1_skip_th + 1); ih264d_process_intra_mb(ps_dec, ps_cur_mb_info, j); isvcd_update_intra_mb_inter_layer_info(ps_svc_lyr_dec, ps_cur_mb_info); } else { isvcd_update_ipcm_mb_inter_layer_info(ps_svc_lyr_dec, ps_cur_mb_info); } *pu2_res_luma_csbp = 0; } else if(ps_cur_mb_info->u1_mb_type == MB_INFER) { /* inter layer intra prediction : intra upsample, IQ, IT ,deblock */ /* Intra resample for IBL mode */ ret = isvcd_process_ibl_mb(ps_svc_lyr_dec, ps_cur_mb_info, j, 0); if(ret != OK) return ret; ih264d_process_inter_mb(ps_dec, ps_cur_mb_info, j); isvcd_update_inter_mb_inter_layer_info(ps_svc_lyr_dec, ps_cur_mb_info, 1); *pu2_res_luma_csbp = ps_cur_mb_info->u2_luma_csbp; ps_dec->pi1_left_pred_mode[0] = DC; ps_dec->pi1_left_pred_mode[1] = DC; ps_dec->pi1_left_pred_mode[2] = DC; ps_dec->pi1_left_pred_mode[3] = DC; ps_cur_mb_info->ps_curmb->pi1_intrapredmodes[0] = DC; ps_cur_mb_info->ps_curmb->pi1_intrapredmodes[1] = DC; ps_cur_mb_info->ps_curmb->pi1_intrapredmodes[2] = DC; ps_cur_mb_info->ps_curmb->pi1_intrapredmodes[3] = DC; isvcd_update_ibl_mb_inter_layer_info(ps_svc_lyr_dec, ps_cur_mb_info); } if(ps_svc_lyr_dec->u1_layer_identifier == TARGET_LAYER) { if(ps_dec->u4_num_cores < 3) { if(ps_dec->u4_app_disable_deblk_frm == 0) ps_svc_lyr_dec->pf_svc_compute_bs(ps_svc_lyr_dec, ps_cur_mb_info, (UWORD16) (j >> u1_mbaff)); } } else if(ps_svc_lyr_dec->u1_layer_identifier == MEDIAL_ENHANCEMENT_LAYER) { if(ps_dec->u4_num_cores < 3) { if(ps_dec->u4_app_disable_deblk_frm == 0) ps_svc_lyr_dec->pf_svc_compute_bs(ps_svc_lyr_dec, ps_cur_mb_info, (UWORD16) (j >> u1_mbaff)); } } if(ps_dec->u4_use_intrapred_line_copy) { ih264d_copy_intra_pred_line(ps_dec, ps_cur_mb_info, j); } } /*MB deblocking*/ if(ps_dec->u4_nmb_deblk == 1) { UWORD32 u4_wd_y, u4_wd_uv; tfr_ctxt_t *ps_tfr_cxt = &(ps_dec->s_tran_addrecon); UWORD8 u1_field_pic_flag = ps_dec->ps_cur_slice->u1_field_pic_flag; const WORD32 i4_cb_qp_idx_ofst = ps_dec->ps_cur_pps->i1_chroma_qp_index_offset; const WORD32 i4_cr_qp_idx_ofst = ps_dec->ps_cur_pps->i1_second_chroma_qp_index_offset; u4_wd_y = ps_dec->u2_frm_wd_y << u1_field_pic_flag; u4_wd_uv = ps_dec->u2_frm_wd_uv << u1_field_pic_flag; ps_cur_mb_info = ps_dec->ps_nmb_info + u1_mb_idx; ps_dec->u4_deblk_mb_x = ps_cur_mb_info->u2_mbx; ps_dec->u4_deblk_mb_y = ps_cur_mb_info->u2_mby; for(j = u1_mb_idx; j < i; j++) { if(ps_dec->u4_cur_deblk_mb_num > ps_dec->ps_cur_sps->u2_max_mb_addr) { return NOT_OK; } ih264d_deblock_mb_nonmbaff(ps_dec, ps_tfr_cxt, i4_cb_qp_idx_ofst, i4_cr_qp_idx_ofst, u4_wd_y, u4_wd_uv); } } if(u1_tfr_n_mb) { /****************************************************************/ /* Check for End Of Row in Next iteration */ /****************************************************************/ u1_end_of_row_next = u1_num_mbs_next && (u1_num_mbs_next <= (ps_dec->u1_recon_mb_grp >> u1_mbaff)); /****************************************************************/ /* Transfer the Following things */ /* N-Mb DeblkParams Data ( To Ext DeblkParams Buffer ) */ /* N-Mb Recon Data ( To Ext Frame Buffer ) */ /* N-Mb Intrapredline Data ( Updated Internally) */ /* N-Mb MV Data ( To Ext MV Buffer ) */ /* N-Mb MVTop/TopRight Data ( To Int MV Top Scratch Buffers) */ /****************************************************************/ ih264d_transfer_mb_group_data(ps_dec, u1_num_mbs, u1_end_of_row, u1_end_of_row_next); ps_dec->u4_num_mbs_prev_nmb = u1_num_mbs; ps_dec->u4_pred_info_idx = 0; ps_dec->u4_dma_buf_idx = 0; } return OK; } /*! ************************************************************************** * \if Function name : isvcd_decode_recon_tfr_nmb_base_lyr \endif * * \brief * * * \return * 0 on Success and Error code otherwise ************************************************************************** */ WORD32 isvcd_decode_recon_tfr_nmb_base_lyr(svc_dec_lyr_struct_t *ps_svc_lyr_dec, UWORD8 u1_mb_idx, UWORD8 u1_num_mbs, UWORD8 u1_num_mbs_next, UWORD8 u1_tfr_n_mb, UWORD8 u1_end_of_row) { WORD32 j; dec_struct_t *ps_dec = &ps_svc_lyr_dec->s_dec; UWORD32 u1_end_of_row_next; dec_mb_info_t *ps_cur_mb_info; const UWORD32 u1_mbaff = ps_dec->ps_cur_slice->u1_mbaff_frame_flag; const UWORD32 u1_slice_type = ps_dec->ps_cur_slice->u1_slice_type; const WORD32 u1_skip_th = ((u1_slice_type != I_SLICE) ? (ps_dec->u1_B ? B_8x8 : PRED_8x8R0) : -1); const UWORD32 u1_ipcm_th = ((u1_slice_type != I_SLICE) ? (ps_dec->u1_B ? 23 : 5) : 0); WORD32 ret = OK; if(1 != ps_svc_lyr_dec->u1_base_res_flag) { return NOT_OK; } if(ps_svc_lyr_dec->u1_layer_identifier == TARGET_LAYER) { return NOT_OK; } /* N Mb IQ IT + Residual Store for Inter / + Recon for Intra Loop */ for(j = u1_mb_idx; j < u1_num_mbs; j++) { ps_dec->u4_dma_buf_idx = 0; ps_dec->u4_pred_info_idx = 0; ps_cur_mb_info = ps_dec->ps_nmb_info + j; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb = ps_svc_lyr_dec->ps_inter_lyr_mb_prms_frm_start + ps_cur_mb_info->u2_mbx + (ps_svc_lyr_dec->u2_inter_lyr_mb_prms_stride * (ps_cur_mb_info->u2_mby)); ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->i1_slice_id = (WORD8) ps_dec->u2_cur_slice_num; if(ps_cur_mb_info->u1_mb_type == MB_SKIP) { ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->i1_mb_mode = SVC_INTER_MB; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->i1_tx_size = ps_cur_mb_info->u1_tran_form8x8; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u2_luma_nnz = 0; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u1_chroma_nnz = 0; } else if(ps_cur_mb_info->u1_mb_type <= u1_skip_th) { /* Only IT : Store Residual (WORD16) for Higher Layers : Base layer*/ ret = isvcd_process_inter_mb_no_rsd_pred_non_target(ps_svc_lyr_dec, ps_cur_mb_info, 0); if(ret != OK) return ret; } else if(ps_cur_mb_info->u1_mb_type != MB_SKIP) { if((u1_ipcm_th + 25) != ps_cur_mb_info->u1_mb_type) { ps_cur_mb_info->u1_mb_type -= (u1_skip_th + 1); ih264d_process_intra_mb(ps_dec, ps_cur_mb_info, j); isvcd_update_intra_mb_inter_layer_info(ps_svc_lyr_dec, ps_cur_mb_info); } else { isvcd_update_ipcm_mb_inter_layer_info(ps_svc_lyr_dec, ps_cur_mb_info); } } if(ps_dec->u4_use_intrapred_line_copy) { ih264d_copy_intra_pred_line(ps_dec, ps_cur_mb_info, j); } } /*MB deblocking*/ if(ps_dec->u4_nmb_deblk == 1) { UWORD32 u4_wd_y, u4_wd_uv; tfr_ctxt_t *ps_tfr_cxt = &(ps_dec->s_tran_addrecon); UWORD8 u1_field_pic_flag = ps_dec->ps_cur_slice->u1_field_pic_flag; const WORD32 i4_cb_qp_idx_ofst = ps_dec->ps_cur_pps->i1_chroma_qp_index_offset; const WORD32 i4_cr_qp_idx_ofst = ps_dec->ps_cur_pps->i1_second_chroma_qp_index_offset; u4_wd_y = ps_dec->u2_frm_wd_y << u1_field_pic_flag; u4_wd_uv = ps_dec->u2_frm_wd_uv << u1_field_pic_flag; ps_cur_mb_info = ps_dec->ps_nmb_info + u1_mb_idx; ps_dec->u4_deblk_mb_x = ps_cur_mb_info->u2_mbx; ps_dec->u4_deblk_mb_y = ps_cur_mb_info->u2_mby; for(j = u1_mb_idx; j < u1_num_mbs; j++) { /* IN SVC base layers only intra MB's Need to be deblocked*/ deblk_mb_t *ps_top_mb, *ps_left_mb, *ps_cur_mb; ps_cur_mb = ps_dec->ps_cur_deblk_mb; if(!(ps_cur_mb->u1_deblocking_mode & MB_DISABLE_FILTERING)) { if(ps_dec->u4_deblk_mb_x) { ps_left_mb = ps_cur_mb - 1; } else { ps_left_mb = NULL; } if(ps_dec->u4_deblk_mb_y != 0) { ps_top_mb = ps_cur_mb - (ps_dec->u2_frm_wd_in_mbs); } else { ps_top_mb = NULL; } if(ps_cur_mb->u1_deblocking_mode & MB_DISABLE_LEFT_EDGE) ps_left_mb = NULL; if(ps_cur_mb->u1_deblocking_mode & MB_DISABLE_TOP_EDGE) ps_top_mb = NULL; /* Top Horizontal Edge*/ if(NULL != ps_top_mb) { if(!(ps_top_mb->u1_mb_type & D_INTRA_MB)) { ps_cur_mb->u4_bs_table[0] = 0; } } else { ps_cur_mb->u4_bs_table[0] = 0; } /* Left Vertical Edge*/ if(NULL != ps_left_mb) { if(!(ps_left_mb->u1_mb_type & D_INTRA_MB)) { ps_cur_mb->u4_bs_table[4] = 0; } } else { ps_cur_mb->u4_bs_table[4] = 0; } } if(ps_dec->u4_cur_deblk_mb_num > ps_dec->ps_cur_sps->u2_max_mb_addr) { return NOT_OK; } ih264d_deblock_mb_nonmbaff(ps_dec, ps_tfr_cxt, i4_cb_qp_idx_ofst, i4_cr_qp_idx_ofst, u4_wd_y, u4_wd_uv); } } if(u1_tfr_n_mb) { /****************************************************************/ /* Check for End Of Row in Next iteration */ /****************************************************************/ u1_end_of_row_next = u1_num_mbs_next && (u1_num_mbs_next <= (ps_dec->u1_recon_mb_grp >> u1_mbaff)); /****************************************************************/ /* Transfer the Following things */ /* N-Mb DeblkParams Data ( To Ext DeblkParams Buffer ) */ /* N-Mb Recon Data ( To Ext Frame Buffer ) */ /* N-Mb Intrapredline Data ( Updated Internally) */ /* N-Mb MV Data ( To Ext MV Buffer ) */ /* N-Mb MVTop/TopRight Data ( To Int MV Top Scratch Buffers) */ /****************************************************************/ ih264d_transfer_mb_group_data(ps_dec, u1_num_mbs, u1_end_of_row, u1_end_of_row_next); ps_dec->u4_num_mbs_prev_nmb = u1_num_mbs; ps_dec->u4_pred_info_idx = 0; ps_dec->u4_dma_buf_idx = 0; } return OK; } /*! ************************************************************************** * \if Function name : isvcd_process_ibl_mb \endif * * \brief * This function decodes an ibl mb * * * \return * ************************************************************************** */ WORD32 isvcd_process_ibl_mb(svc_dec_lyr_struct_t *ps_svc_lyr_dec, dec_mb_info_t *ps_cur_mb_info, UWORD8 u1_mb_num, UWORD8 u1_inter_intra_mode) { dec_struct_t *ps_dec = &ps_svc_lyr_dec->s_dec; intra_sampling_ctxt_t *ps_ctxt; svc_dec_lyr_struct_t *ps_svc_dec_ref_layer; pic_buffer_t *ps_frame_buf = ps_dec->ps_cur_pic; pic_buffer_t *ps_frame_buf_ref_layer; intra_samp_lyr_ctxt *ps_lyr_ctxt; mem_element_t s_ref_mb_mode = {0}; mem_element_t s_inp_luma = {0}; mem_element_t s_inp_chroma = {0}; mem_element_t s_out_luma = {0}; mem_element_t s_out_chroma = {0}; WORD32 i4_ref_x_luma, i4_ref_y_luma, i4_luma_incr = 0; WORD32 i4_ref_x_chroma, i4_ref_y_chroma, i4_chroma_incr = 0; UWORD32 u4_cur_y_stride, u4_cur_uv_stride; UWORD32 u4_ref_y_stride, u4_ref_uv_stride; WORD32 i4_ref_luma_instra_sample_correction_offset = 0; WORD32 i4_ref_chroma_instra_sample_correction_offset = 0; ref_mb_map_t *ps_x_off_len_luma; ref_mb_map_t *ps_y_off_len_luma; ref_mb_map_t *ps_x_off_len_chroma; ref_mb_map_t *ps_y_off_len_chroma; mb_coord_t s_mb_coord = {0}; WORD32 ret = OK; UNUSED(u1_mb_num); ps_ctxt = (intra_sampling_ctxt_t *) ps_svc_lyr_dec->pv_intra_sample_ctxt; ps_svc_dec_ref_layer = ps_svc_lyr_dec->ps_dec_svc_ref_layer; ps_lyr_ctxt = &ps_ctxt->as_res_lyrs[ps_ctxt->i4_res_lyr_id]; u4_cur_y_stride = ps_dec->u2_frm_wd_y; u4_cur_uv_stride = ps_dec->u2_frm_wd_uv; u4_ref_y_stride = ps_svc_dec_ref_layer->s_dec.u2_frm_wd_y; u4_ref_uv_stride = ps_svc_dec_ref_layer->s_dec.u2_frm_wd_uv; ps_frame_buf_ref_layer = ps_svc_dec_ref_layer->s_dec.ps_cur_pic; if(0 == u1_inter_intra_mode) { s_out_luma.pv_buffer = ps_frame_buf->pu1_buf1 + (ps_cur_mb_info->u2_mbx << 4) + (u4_cur_y_stride * (ps_cur_mb_info->u2_mby << 4)); s_out_luma.i4_element_size = 1; s_out_luma.i4_num_element_stride = u4_cur_y_stride; s_out_chroma.pv_buffer = ps_frame_buf->pu1_buf2 + (ps_cur_mb_info->u2_mbx << 3) * YUV420SP_FACTOR + (u4_cur_uv_stride * (ps_cur_mb_info->u2_mby << 3)); s_out_chroma.i4_element_size = 1; s_out_chroma.i4_num_element_stride = u4_cur_uv_stride; } else { if(SVCD_TRUE == ps_svc_lyr_dec->s_res_prms.u1_dyadic_flag) { return NOT_OK; } s_out_luma.pv_buffer = ps_svc_lyr_dec->pu1_ii_resamp_buffer_luma; s_out_luma.i4_element_size = 1; s_out_luma.i4_num_element_stride = MB_SIZE; s_out_chroma.pv_buffer = ps_svc_lyr_dec->pu1_ii_resamp_buffer_chroma; s_out_chroma.i4_element_size = 1; s_out_chroma.i4_num_element_stride = MB_SIZE; } /* get the projected locations buffer pointers */ { intra_samp_map_ctxt_t *ps_luma_map, *ps_chroma_map; ps_luma_map = &ps_lyr_ctxt->s_luma_map_ctxt; ps_chroma_map = &ps_lyr_ctxt->s_chroma_map_ctxt; ps_x_off_len_luma = ps_luma_map->ps_x_offset_length; ps_y_off_len_luma = ps_luma_map->ps_y_offset_length; ps_x_off_len_chroma = ps_chroma_map->ps_x_offset_length; ps_y_off_len_chroma = ps_chroma_map->ps_y_offset_length; } i4_ref_x_luma = ps_svc_lyr_dec->ps_intsam_luma_map_horz[ps_cur_mb_info->u2_mbx].i2_offset; i4_ref_y_luma = ps_svc_lyr_dec->ps_intsam_luma_map_vert[ps_cur_mb_info->u2_mby].i2_offset; i4_luma_incr = ps_x_off_len_luma[ps_cur_mb_info->u2_mbx].i2_offset - i4_ref_x_luma; i4_luma_incr += (ps_y_off_len_luma[ps_cur_mb_info->u2_mby].i2_offset - i4_ref_y_luma) * u4_ref_y_stride; i4_ref_x_chroma = ps_svc_lyr_dec->ps_intsam_chroma_map_horz[ps_cur_mb_info->u2_mbx].i2_offset; i4_ref_y_chroma = ps_svc_lyr_dec->ps_intsam_chroma_map_vert[ps_cur_mb_info->u2_mby].i2_offset; i4_chroma_incr = ps_x_off_len_chroma[ps_cur_mb_info->u2_mbx].i2_offset - i4_ref_x_chroma; i4_chroma_incr <<= 1; i4_chroma_incr += (ps_y_off_len_chroma[ps_cur_mb_info->u2_mby].i2_offset - i4_ref_y_chroma) * u4_ref_uv_stride; if(SVCD_FALSE == ps_svc_lyr_dec->s_res_prms.u1_dyadic_flag) { i4_ref_x_luma = CLIP3(0, (ps_svc_dec_ref_layer->s_dec.u2_frm_wd_y - 1), i4_ref_x_luma); i4_ref_y_luma = CLIP3(0, (ps_svc_dec_ref_layer->s_dec.u2_frm_ht_y - 1), i4_ref_y_luma); } i4_ref_luma_instra_sample_correction_offset = i4_ref_x_luma + (i4_ref_y_luma) * (WORD32) u4_ref_y_stride; s_inp_luma.pv_buffer = ps_frame_buf_ref_layer->pu1_buf1 + i4_luma_incr + i4_ref_luma_instra_sample_correction_offset; s_inp_luma.i4_element_size = 1; s_inp_luma.i4_num_element_stride = u4_ref_y_stride; if(SVCD_FALSE == ps_svc_lyr_dec->s_res_prms.u1_dyadic_flag) { i4_ref_x_chroma = CLIP3(0, (ps_svc_dec_ref_layer->s_dec.u2_frm_wd_uv - 1), i4_ref_x_chroma); i4_ref_y_chroma = CLIP3(0, (ps_svc_dec_ref_layer->s_dec.u2_frm_ht_uv - 1), i4_ref_y_chroma); } i4_ref_chroma_instra_sample_correction_offset = (i4_ref_x_chroma << 1) + (i4_ref_y_chroma) * (WORD32) u4_ref_uv_stride; s_inp_chroma.pv_buffer = ps_frame_buf_ref_layer->pu1_buf2 + i4_chroma_incr + i4_ref_chroma_instra_sample_correction_offset; s_inp_chroma.i4_element_size = 1; s_inp_chroma.i4_num_element_stride = u4_ref_uv_stride; s_ref_mb_mode.pv_buffer = ps_svc_dec_ref_layer->ps_inter_lyr_mb_prms_frm_start; s_ref_mb_mode.i4_element_size = sizeof(inter_lyr_mb_prms_t); s_ref_mb_mode.i4_num_element_stride = ps_svc_dec_ref_layer->u2_inter_lyr_mb_prms_stride; s_mb_coord.u2_mb_x = ps_cur_mb_info->u2_mbx; s_mb_coord.u2_mb_y = ps_cur_mb_info->u2_mby; if(SVCD_TRUE == ps_svc_lyr_dec->s_res_prms.u1_dyadic_flag) { ret = isvcd_intra_resamp_mb_dyadic(ps_ctxt, &s_inp_luma, &s_inp_chroma, &s_ref_mb_mode, &s_out_luma, &s_out_chroma, &s_mb_coord, ps_svc_lyr_dec); } else { ret = isvcd_intra_resamp_mb(ps_ctxt, &s_inp_luma, &s_inp_chroma, &s_ref_mb_mode, &s_out_luma, &s_out_chroma, &s_mb_coord); } if(OK != ret) return ret; return OK; } /*! ************************************************************************** * \if Function name : isvcd_process_residual_resample_mb \endif * * \brief * This function decodes a residual resample mb * * * \return * ************************************************************************** */ WORD32 isvcd_process_residual_resample_mb(svc_dec_lyr_struct_t *ps_svc_lyr_dec, dec_mb_info_t *ps_cur_mb_info) { residual_sampling_ctxt_t *ps_ctxt; svc_dec_lyr_struct_t *ps_svc_dec_ref_layer; res_lyr_ctxt *ps_lyr_ctxt; mem_element_t s_ref_mb_mode = {0}; mem_element_t s_inp_luma = {0}; mem_element_t s_inp_chroma = {0}; mem_element_t s_out_luma = {0}; mem_element_t s_out_chroma = {0}; /* projected locations pointer */ ref_mb_map_t *ps_x_off_len_luma; ref_mb_map_t *ps_y_off_len_luma; ref_mb_map_t *ps_x_off_len_chroma; ref_mb_map_t *ps_y_off_len_chroma; WORD32 i4_ref_x_luma, i4_ref_y_luma; WORD32 i4_ref_x_chroma, i4_ref_y_chroma; WORD32 i4_ref_luma_ressam_correction_offset = 0; WORD32 i4_ref_chroma_ressam_correction_offset = 0; WORD32 i4_inp_luma_stride, i4_inp_chroma_stride; WORD32 i4_out_luma_stride, i4_out_chroma_stride; WORD32 i4_inp_luma_offset = 0, i4_inp_chroma_offset = 0; WORD32 ret; ps_svc_dec_ref_layer = ps_svc_lyr_dec->ps_dec_svc_ref_layer; ps_ctxt = (residual_sampling_ctxt_t *) ps_svc_lyr_dec->pv_residual_sample_ctxt; ps_lyr_ctxt = &ps_ctxt->as_res_lyrs[ps_ctxt->i4_res_lyr_id]; i4_inp_luma_stride = ps_svc_dec_ref_layer->u2_residual_resample_luma_stride; i4_inp_chroma_stride = ps_svc_dec_ref_layer->u2_residual_resample_chroma_stride; i4_out_luma_stride = ps_svc_lyr_dec->u2_residual_resample_luma_stride; i4_out_chroma_stride = ps_svc_lyr_dec->u2_residual_resample_chroma_stride; { residual_samp_map_ctxt_t *ps_luma_map, *ps_chroma_map; ps_luma_map = &ps_lyr_ctxt->s_luma_map_ctxt; ps_chroma_map = &ps_lyr_ctxt->s_chroma_map_ctxt; ps_x_off_len_luma = ps_luma_map->ps_x_offset_length; ps_y_off_len_luma = ps_luma_map->ps_y_offset_length; ps_x_off_len_chroma = ps_chroma_map->ps_x_offset_length; ps_y_off_len_chroma = ps_chroma_map->ps_y_offset_length; } i4_ref_x_luma = ps_svc_lyr_dec->ps_ressam_luma_map_horz[ps_cur_mb_info->u2_mbx].i2_offset; i4_ref_y_luma = ps_svc_lyr_dec->ps_ressam_luma_map_vert[ps_cur_mb_info->u2_mby].i2_offset; i4_ref_x_chroma = ps_svc_lyr_dec->ps_ressam_chroma_map_horz[ps_cur_mb_info->u2_mbx].i2_offset; i4_ref_y_chroma = ps_svc_lyr_dec->ps_ressam_chroma_map_vert[ps_cur_mb_info->u2_mby].i2_offset; i4_ref_x_luma = CLIP3(0, (ps_lyr_ctxt->i4_ref_width - 1), i4_ref_x_luma); i4_ref_y_luma = CLIP3(0, (ps_lyr_ctxt->i4_ref_height - 1), i4_ref_y_luma); i4_ref_x_chroma = CLIP3(0, ((ps_lyr_ctxt->i4_ref_width >> 1) - 1), i4_ref_x_chroma); i4_ref_y_chroma = CLIP3(0, ((ps_lyr_ctxt->i4_ref_height >> 1) - 1), i4_ref_y_chroma); { WORD32 i4_offset_x, i4_offset_y; i4_offset_x = ps_x_off_len_luma[ps_cur_mb_info->u2_mbx].i2_offset; i4_offset_y = ps_y_off_len_luma[ps_cur_mb_info->u2_mby].i2_offset; /* check for offsets inside frame dimensions */ if(0 <= i4_offset_x) { /* validity of pointer passed */ if(!(i4_offset_x >= i4_ref_x_luma)) { return NOT_OK; } i4_inp_luma_offset += (i4_offset_x - i4_ref_x_luma); } if(0 <= i4_offset_y) { /* validity of pointer passed */ if(!(i4_offset_y >= i4_ref_y_luma)) { return NOT_OK; } i4_inp_luma_offset += (i4_offset_y - i4_ref_y_luma) * i4_inp_luma_stride; } i4_offset_x = ps_x_off_len_chroma[ps_cur_mb_info->u2_mbx].i2_offset; i4_offset_y = ps_y_off_len_chroma[ps_cur_mb_info->u2_mby].i2_offset; /* check for offsets inside frame dimensions */ if(0 <= i4_offset_x) { /* validity of pointer passed */ if(!(i4_offset_x >= i4_ref_x_chroma)) { return NOT_OK; } i4_inp_chroma_offset += (i4_offset_x - i4_ref_x_chroma) << 1; } if(0 <= i4_offset_y) { /* validity of pointer passed */ if(!(i4_offset_y >= i4_ref_y_chroma)) { return NOT_OK; } i4_inp_chroma_offset += (i4_offset_y - i4_ref_y_chroma) * (i4_inp_chroma_stride << 1); } } i4_ref_luma_ressam_correction_offset = i4_ref_x_luma + (i4_ref_y_luma) *i4_inp_luma_stride; s_inp_luma.pv_buffer = ps_svc_dec_ref_layer->pi2_il_residual_resample_mb_luma_frm_start + i4_inp_luma_offset + i4_ref_luma_ressam_correction_offset; s_inp_luma.i4_element_size = 1; s_inp_luma.i4_num_element_stride = i4_inp_luma_stride; i4_ref_chroma_ressam_correction_offset = (i4_ref_x_chroma << 1) + (i4_ref_y_chroma) *i4_inp_chroma_stride; s_inp_chroma.pv_buffer = ps_svc_dec_ref_layer->pi2_il_residual_resample_mb_chroma_frm_start + i4_inp_chroma_offset + i4_ref_chroma_ressam_correction_offset; s_inp_chroma.i4_element_size = 1; s_inp_chroma.i4_num_element_stride = i4_inp_luma_stride; s_ref_mb_mode.pv_buffer = ps_svc_dec_ref_layer->ps_inter_lyr_mb_prms_frm_start; s_ref_mb_mode.i4_element_size = sizeof(inter_lyr_mb_prms_t); s_ref_mb_mode.i4_num_element_stride = ps_svc_dec_ref_layer->u2_inter_lyr_mb_prms_stride; s_out_luma.i4_element_size = 1; s_out_luma.pv_buffer = ps_svc_lyr_dec->pi2_il_residual_resample_mb_luma_frm_start + ((ps_cur_mb_info->u2_mbx << 4) + (i4_out_luma_stride * (ps_cur_mb_info->u2_mby << 4)) * s_out_luma.i4_element_size); s_out_luma.i4_num_element_stride = i4_out_luma_stride; s_out_chroma.i4_element_size = 1; s_out_chroma.pv_buffer = ps_svc_lyr_dec->pi2_il_residual_resample_mb_chroma_frm_start + ((ps_cur_mb_info->u2_mbx << 4) + (i4_out_chroma_stride * (ps_cur_mb_info->u2_mby << 3)) * s_out_chroma.i4_element_size); s_out_chroma.i4_num_element_stride = i4_out_chroma_stride; ret = ps_lyr_ctxt->pf_residual_samp_mb(ps_ctxt, &s_inp_luma, &s_inp_chroma, &s_ref_mb_mode, &s_out_luma, &s_out_chroma, ps_cur_mb_info->u2_mbx, ps_cur_mb_info->u2_mby); if(ret != OK) { return ret; } return OK; } /*! ************************************************************************** * \if Function name : isvcd_process_inter_mb_rsd_pred_target_lyr \endif * * \brief IT+ Residual + Recon * This function decodes an Inter MB. * * * \return * 0 on Success and Error code otherwise ************************************************************************** */ WORD32 isvcd_process_inter_mb_rsd_pred_target_lyr(svc_dec_lyr_struct_t *ps_svc_lyr_dec, dec_mb_info_t *ps_cur_mb_info, UWORD8 u1_mb_num, UWORD8 u1_inference_mode, UWORD16 *pu2_res_luma_csbp) { UWORD8 *pu1_rec_y, *pu1_rec_u; dec_struct_t *ps_dec = &ps_svc_lyr_dec->s_dec; UWORD32 ui_rec_width, u4_recwidth_cr; UWORD16 u2_luma_stride, u2_chroma_stride; WORD16 *pi2_y_coeff, *pi2_luma_res_ptr, *pi2_chroma_res_ptr; UWORD32 u1_mb_field_decoding_flag; const UWORD8 u1_mbaff = ps_dec->ps_cur_slice->u1_mbaff_frame_flag; UWORD32 uc_botMb; UWORD32 u4_num_pmbair; tfr_ctxt_t *ps_frame_buf = ps_dec->ps_frame_buf_ip_recon; UWORD32 u4_luma_dc_only_csbp = 0; UWORD32 u4_luma_dc_only_cbp = 0; UWORD16 u2_res_luma_csbp = 0; WORD32 ret; if(0 != ps_dec->ps_cur_slice->u1_mbaff_frame_flag) { return NOT_OK; } uc_botMb = 1 - ps_cur_mb_info->u1_topmb; u4_num_pmbair = (u1_mb_num >> u1_mbaff); u1_mb_field_decoding_flag = ps_cur_mb_info->u1_mb_field_decodingflag; pu1_rec_y = ps_frame_buf->pu1_dest_y + (u4_num_pmbair << 4); pu1_rec_u = ps_frame_buf->pu1_dest_u + (u4_num_pmbair << 3) * YUV420SP_FACTOR; ui_rec_width = ps_dec->u2_frm_wd_y << u1_mb_field_decoding_flag; u4_recwidth_cr = ps_dec->u2_frm_wd_uv << u1_mb_field_decoding_flag; u2_luma_stride = ps_svc_lyr_dec->u2_residual_resample_luma_stride; pi2_luma_res_ptr = ps_svc_lyr_dec->pi2_il_residual_resample_mb_luma_frm_start + (ps_cur_mb_info->u2_mbx << 4) + ((ps_cur_mb_info->u2_mby << 4) * u2_luma_stride); u2_chroma_stride = ps_svc_lyr_dec->u2_residual_resample_chroma_stride; pi2_chroma_res_ptr = ps_svc_lyr_dec->pi2_il_residual_resample_mb_chroma_frm_start + (ps_cur_mb_info->u2_mbx << 4) + ((ps_cur_mb_info->u2_mby << 3) * u2_chroma_stride); ret = isvcd_process_residual_resample_mb(ps_svc_lyr_dec, ps_cur_mb_info); if(ret != OK) { return ret; } if(u1_mbaff) { if(uc_botMb) { pu1_rec_y += (u1_mb_field_decoding_flag ? (ui_rec_width >> 1) : (ui_rec_width << 4)); pu1_rec_u += (u1_mb_field_decoding_flag ? (u4_recwidth_cr >> 1) : (u4_recwidth_cr << 3)); } } if(!ps_cur_mb_info->u1_tran_form8x8) { u4_luma_dc_only_csbp = ih264d_unpack_luma_coeff4x4_mb(ps_dec, ps_cur_mb_info, 0); } else { if(!ps_dec->ps_cur_pps->u1_entropy_coding_mode) { u4_luma_dc_only_cbp = ih264d_unpack_luma_coeff4x4_mb(ps_dec, ps_cur_mb_info, 0); } else { u4_luma_dc_only_cbp = ih264d_unpack_luma_coeff8x8_mb(ps_dec, ps_cur_mb_info); } } *pu2_res_luma_csbp = 0; pi2_y_coeff = ps_dec->pi2_coeff_data; /* Inverse Transform and Reconstruction */ if(ps_cur_mb_info->u1_cbp & 0x0f) { if(!ps_cur_mb_info->u1_tran_form8x8) { UWORD32 i; WORD16 ai2_tmp[16] = {0}; for(i = 0; i < 16; i++) { if(CHECKBIT(ps_cur_mb_info->u2_luma_csbp, i)) { WORD16 *pi2_level = pi2_y_coeff + (i << 4); UWORD8 *pu1_pred_sblk = pu1_rec_y + ((i & 0x3) * BLK_SIZE) + (i >> 2) * (ui_rec_width << 2); WORD16 *pi2_out = pi2_luma_res_ptr + ((i & 0x3) * BLK_SIZE) + (i >> 2) * (u2_luma_stride << 2); PROFILE_DISABLE_IQ_IT_RECON() { if(CHECKBIT(u4_luma_dc_only_csbp, i)) { u2_res_luma_csbp = ps_svc_lyr_dec->pf_iquant_itrans_residual_recon_luma_4x4_dc( pi2_level, pu1_pred_sblk, pi2_out, pu1_pred_sblk, ui_rec_width, u2_luma_stride, ui_rec_width, gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qp_rem6], (UWORD16 *) ps_dec->s_high_profile.i2_scalinglist4x4[3], ps_cur_mb_info->u1_qp_div6, ai2_tmp, 0, NULL); } else { u2_res_luma_csbp = ps_svc_lyr_dec->pf_iquant_itrans_residual_recon_luma_4x4( pi2_level, pu1_pred_sblk, pi2_out, pu1_pred_sblk, ui_rec_width, u2_luma_stride, ui_rec_width, gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qp_rem6], (UWORD16 *) ps_dec->s_high_profile.i2_scalinglist4x4[3], ps_cur_mb_info->u1_qp_div6, ai2_tmp, 0, NULL); } } } else { UWORD8 *pu1_pred_sblk = pu1_rec_y + ((i & 0x3) * BLK_SIZE) + (i >> 2) * (ui_rec_width << 2); WORD16 *pi2_out = pi2_luma_res_ptr + ((i & 0x3) * BLK_SIZE) + (i >> 2) * (u2_luma_stride << 2); u2_res_luma_csbp = ps_svc_lyr_dec->pf_pred_residual_recon_luma_4x4( pu1_pred_sblk, pi2_out, pu1_pred_sblk, ui_rec_width, u2_luma_stride, ui_rec_width); } *pu2_res_luma_csbp |= (u2_res_luma_csbp << i); } } else { WORD16 *pi2_scale_matrix_ptr; WORD32 i; pi2_scale_matrix_ptr = ps_dec->s_high_profile.i2_scalinglist8x8[1]; for(i = 0; i < 4; i++) { WORD16 ai2_tmp[64] = {0}; WORD16 *pi16_levelBlock = pi2_y_coeff + (i << 6); /* move to the next 8x8 adding 64 */ UWORD8 *pu1_pred_sblk = pu1_rec_y + ((i & 0x1) * BLK8x8SIZE) + (i >> 1) * (ui_rec_width << 3); WORD16 *pi2_out = pi2_luma_res_ptr + ((i & 0x1) * BLK8x8SIZE) + (i >> 1) * (u2_luma_stride << 3); if(CHECKBIT(ps_cur_mb_info->u1_cbp, i)) { PROFILE_DISABLE_IQ_IT_RECON() { if(CHECKBIT(u4_luma_dc_only_cbp, i)) { u2_res_luma_csbp = ps_svc_lyr_dec->pf_iquant_itrans_residual_recon_luma_8x8_dc( pi16_levelBlock, pu1_pred_sblk, pi2_out, pu1_pred_sblk, ui_rec_width, u2_luma_stride, ui_rec_width, gau1_ih264d_dequant8x8_cavlc[ps_cur_mb_info->u1_qp_rem6], (UWORD16 *) pi2_scale_matrix_ptr, ps_cur_mb_info->u1_qp_div6, ai2_tmp, 0, NULL); } else { u2_res_luma_csbp = ps_svc_lyr_dec->pf_iquant_itrans_residual_recon_luma_8x8( pi16_levelBlock, pu1_pred_sblk, pi2_out, pu1_pred_sblk, ui_rec_width, u2_luma_stride, ui_rec_width, gau1_ih264d_dequant8x8_cavlc[ps_cur_mb_info->u1_qp_rem6], (UWORD16 *) pi2_scale_matrix_ptr, ps_cur_mb_info->u1_qp_div6, ai2_tmp, 0, NULL); } } } else { UWORD8 *pu1_pred_sblk = pu1_rec_y + ((i & 0x1) * BLK8x8SIZE) + (i >> 1) * (ui_rec_width << 3); WORD16 *pi2_out = pi2_luma_res_ptr + ((i & 0x1) * BLK8x8SIZE) + (i >> 1) * (u2_luma_stride << 3); u2_res_luma_csbp = ps_svc_lyr_dec->pf_pred_residual_recon_luma_8x8( pu1_pred_sblk, pi2_out, pu1_pred_sblk, ui_rec_width, u2_luma_stride, ui_rec_width); } *pu2_res_luma_csbp |= (u2_res_luma_csbp << (((i >> 1) << 3) + ((i & 0x01) << 1))); } } } else { UWORD8 *pu1_pred_sblk = pu1_rec_y; WORD16 *pi2_out = pi2_luma_res_ptr; *pu2_res_luma_csbp = ps_svc_lyr_dec->pf_pred_residual_recon_luma_16x16( pu1_pred_sblk, pi2_out, pu1_pred_sblk, ui_rec_width, u2_luma_stride, ui_rec_width); } /* Decode Chroma Block */ ih264d_unpack_chroma_coeff4x4_mb(ps_dec, ps_cur_mb_info); /*--------------------------------------------------------------------*/ /* Chroma Blocks decoding */ /*--------------------------------------------------------------------*/ { UWORD8 u1_chroma_cbp = (UWORD8) (ps_cur_mb_info->u1_cbp >> 4); if(u1_chroma_cbp != CBPC_ALLZERO) { UWORD32 u4_scale_u = ps_cur_mb_info->u1_qpc_div6; UWORD32 u4_scale_v = ps_cur_mb_info->u1_qpcr_div6; UWORD16 u2_chroma_csbp = ps_cur_mb_info->u2_chroma_csbp; pi2_y_coeff = ps_dec->pi2_coeff_data; { UWORD32 i; WORD16 ai2_tmp[16] = {0}; for(i = 0; i < 4; i++) { WORD16 *pi2_level = pi2_y_coeff + (i << 4); UWORD8 *pu1_pred_sblk = pu1_rec_u + ((i & 0x1) * BLK_SIZE * YUV420SP_FACTOR) + (i >> 1) * (u4_recwidth_cr << 2); WORD16 *pi2_out = pi2_chroma_res_ptr + ((i & 0x1) * BLK_SIZE * YUV420SP_FACTOR) + (i >> 1) * (u2_chroma_stride << 2); PROFILE_DISABLE_IQ_IT_RECON() { if(CHECKBIT(u2_chroma_csbp, i)) { ps_svc_lyr_dec->pf_iquant_itrans_residual_recon_chroma_4x4( pi2_level, pu1_pred_sblk, pi2_out, pu1_pred_sblk, u4_recwidth_cr, u2_chroma_stride, u4_recwidth_cr, gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qpc_rem6], (UWORD16 *) ps_dec->s_high_profile.i2_scalinglist4x4[4], u4_scale_u, ai2_tmp, pi2_level); } else if(pi2_level[0] != 0) { ps_svc_lyr_dec->pf_iquant_itrans_residual_recon_chroma_4x4_dc( pi2_level, pu1_pred_sblk, pi2_out, pu1_pred_sblk, u4_recwidth_cr, u2_chroma_stride, u4_recwidth_cr, gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qpc_rem6], (UWORD16 *) ps_dec->s_high_profile.i2_scalinglist4x4[4], u4_scale_u, ai2_tmp, pi2_level); } else { ps_svc_lyr_dec->pf_pred_residual_recon_chroma_4x4( pu1_pred_sblk, pi2_out, pu1_pred_sblk, u4_recwidth_cr, u2_chroma_stride, u4_recwidth_cr); } } } } pi2_y_coeff += MB_CHROM_SIZE; u2_chroma_csbp >>= 4; { UWORD32 i; WORD16 ai2_tmp[16] = {0}; for(i = 0; i < 4; i++) { WORD16 *pi2_level = pi2_y_coeff + (i << 4); UWORD8 *pu1_pred_sblk = pu1_rec_u + 1 + ((i & 0x1) * BLK_SIZE * YUV420SP_FACTOR) + (i >> 1) * (u4_recwidth_cr << 2); WORD16 *pi2_out = pi2_chroma_res_ptr + 1 + ((i & 0x1) * BLK_SIZE * YUV420SP_FACTOR) + (i >> 1) * (u2_chroma_stride << 2); PROFILE_DISABLE_IQ_IT_RECON() { if(CHECKBIT(u2_chroma_csbp, i)) { ps_svc_lyr_dec->pf_iquant_itrans_residual_recon_chroma_4x4( pi2_level, pu1_pred_sblk, pi2_out, pu1_pred_sblk, u4_recwidth_cr, u2_chroma_stride, u4_recwidth_cr, gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qpcr_rem6], (UWORD16 *) ps_dec->s_high_profile.i2_scalinglist4x4[5], u4_scale_v, ai2_tmp, pi2_level); } else if(pi2_level[0] != 0) { ps_svc_lyr_dec->pf_iquant_itrans_residual_recon_chroma_4x4_dc( pi2_level, pu1_pred_sblk, pi2_out, pu1_pred_sblk, u4_recwidth_cr, u2_chroma_stride, u4_recwidth_cr, gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qpcr_rem6], (UWORD16 *) ps_dec->s_high_profile.i2_scalinglist4x4[5], u4_scale_v, ai2_tmp, pi2_level); } else { ps_svc_lyr_dec->pf_pred_residual_recon_chroma_4x4( pu1_pred_sblk, pi2_out, pu1_pred_sblk, u4_recwidth_cr, u2_chroma_stride, u4_recwidth_cr); } } } } } else { /* Cr*/ { UWORD8 *pu1_pred_sblk = pu1_rec_u; WORD16 *pi2_out = pi2_chroma_res_ptr; ps_svc_lyr_dec->pf_pred_residual_recon_chroma_8x8(pu1_pred_sblk, pi2_out, pu1_pred_sblk, u4_recwidth_cr, u2_chroma_stride, u4_recwidth_cr); } /* Cb*/ { UWORD8 *pu1_pred_sblk = pu1_rec_u + 1; WORD16 *pi2_out = pi2_chroma_res_ptr + 1; ps_svc_lyr_dec->pf_pred_residual_recon_chroma_8x8(pu1_pred_sblk, pi2_out, pu1_pred_sblk, u4_recwidth_cr, u2_chroma_stride, u4_recwidth_cr); } } } ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb = ps_svc_lyr_dec->ps_inter_lyr_mb_prms_frm_start + ps_cur_mb_info->u2_mbx + (ps_svc_lyr_dec->u2_inter_lyr_mb_prms_stride * (ps_cur_mb_info->u2_mby)); ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->i1_mb_mode = u1_inference_mode ? SVC_IBL_MB : SVC_INTER_MB; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->i1_tx_size = ps_cur_mb_info->u1_tran_form8x8; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u2_luma_nnz = ps_cur_mb_info->u2_luma_csbp; ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u1_chroma_nnz = (UWORD8) ps_cur_mb_info->u2_chroma_csbp; if(CHECKBIT(ps_cur_mb_info->u1_yuv_dc_block_flag, 1)) { /* Four bits for Cb in DC only cbp */ ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u1_chroma_nnz |= 0x0F; } if(CHECKBIT(ps_cur_mb_info->u1_yuv_dc_block_flag, 2)) { /* Four bits for Cr in DC only cbp */ ps_svc_lyr_dec->ps_inter_lyr_mb_prms_cur_mb->u1_chroma_nnz |= 0xF0; } return (0); }