| /****************************************************************************** |
| * |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ***************************************************************************** |
| * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore |
| */ |
| /*! |
| ************************************************************************** |
| * \file ih264d_process_pslice.c |
| * |
| * \brief |
| * Contains routines that decode a I slice type |
| * |
| * Detailed_description |
| * |
| * \date |
| * 21/12/2002 |
| * |
| * \author NS |
| ************************************************************************** |
| */ |
| #include "ih264_typedefs.h" |
| #include "ih264_macros.h" |
| #include "ih264_platform_macros.h" |
| |
| #include <string.h> |
| #include "ih264d_bitstrm.h" |
| #include "ih264d_defs.h" |
| #include "ih264d_debug.h" |
| #include "ih264d_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 "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" |
| |
| void ih264d_init_cabac_contexts(UWORD8 u1_slice_type, dec_struct_t * ps_dec); |
| |
| void ih264d_insert_pic_in_ref_pic_listx(struct pic_buffer_t *ps_ref_pic_buf_lx, |
| struct pic_buffer_t *ps_pic) |
| { |
| *ps_ref_pic_buf_lx = *ps_pic; |
| } |
| |
| WORD32 ih264d_mv_pred_ref_tfr_nby2_pmb(dec_struct_t * ps_dec, |
| UWORD8 u1_mb_idx, |
| UWORD8 u1_num_mbs) |
| { |
| 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; |
| WORD32 i2_mv_x, i2_mv_y; |
| WORD32 ret; |
| |
| ps_dec->i4_submb_ofst -= (u1_num_mbs - u1_mb_idx) << 4; |
| ps_mb_part_info = ps_dec->ps_parse_mb_data; // + u1_mb_idx; |
| ps_part = ps_dec->ps_parse_part_params; // + u1_mb_idx; |
| |
| /* 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; |
| 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; |
| 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; |
| |
| /* 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]; |
| /* CHANGED CODE */ |
| 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); |
| |
| ih264d_rep_mv_colz(ps_dec, &s_mvPred, ps_mv_nmb_start, 0, |
| u1_colz, 4, 4); |
| } |
| 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]; |
| s_mvPred.i1_ref_frame[0] = i1_ref_idx; |
| |
| /********************************************************/ |
| /* 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; |
| |
| /********************************************************/ |
| /* 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; |
| 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 */ |
| |
| ih264d_rep_mv_colz(ps_dec, &s_mvPred, ps_mv_nmb, |
| u1_sub_mb_num, u1_colz, u1_ht, |
| u1_wd); |
| } |
| } |
| |
| } |
| else |
| { |
| /* Storing colocated zero information */ |
| ih264d_rep_mv_colz(ps_dec, &s_mvPred, ps_mv_nmb_start, 0, |
| (UWORD8)(u1_field << 1), 4, 4); |
| |
| } |
| /*if num _cores is set to 3,compute bs will be done in another thread*/ |
| if(ps_dec->u4_num_cores < 3) |
| { |
| |
| if(ps_dec->u4_app_disable_deblk_frm == 0) |
| ps_dec->pf_compute_bs(ps_dec, ps_cur_mb_info, |
| (UWORD16)(i >> u1_mbaff)); |
| } |
| } |
| |
| |
| |
| return OK; |
| } |
| |
| |
| WORD32 ih264d_decode_recon_tfr_nmb(dec_struct_t * ps_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; |
| UWORD32 u1_end_of_row_next; |
| dec_mb_info_t * ps_cur_mb_info; |
| UWORD32 u4_update_mbaff = 0; |
| WORD32 ret; |
| 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); |
| |
| |
| |
| |
| |
| /* 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; |
| |
| 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; |
| WORD8 i1_pred; |
| |
| 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++; |
| } |
| } |
| |
| 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; |
| WORD8 i1_pred; |
| |
| 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++; |
| } |
| } |
| /* Decode MB skip */ |
| ps_dec->p_motion_compensate(ps_dec, ps_cur_mb_info); |
| |
| } |
| |
| } |
| |
| |
| /* N Mb IQ IT RECON Loop */ |
| for(j = u1_mb_idx; j < i; j++) |
| { |
| ps_cur_mb_info = ps_dec->ps_nmb_info + j; |
| |
| if(ps_cur_mb_info->u1_mb_type <= u1_skip_th) |
| { |
| ih264d_process_inter_mb(ps_dec, ps_cur_mb_info, j); |
| |
| } |
| 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); |
| } |
| } |
| |
| |
| if(ps_dec->u4_use_intrapred_line_copy) |
| { |
| ih264d_copy_intra_pred_line(ps_dec, ps_cur_mb_info, j); |
| } |
| |
| } |
| |
| /*N MB deblocking*/ |
| if(ps_dec->u4_nmb_deblk == 1) |
| { |
| |
| UWORD32 u4_cur_mb, u4_right_mb; |
| UWORD32 u4_mb_x, u4_mb_y; |
| 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++) |
| { |
| |
| 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 : ih264d_process_inter_mb \endif |
| * |
| * \brief |
| * This function decodes an Inter MB. |
| * |
| * |
| * \return |
| * 0 on Success and Error code otherwise |
| ************************************************************************** |
| */ |
| WORD32 ih264d_process_inter_mb(dec_struct_t * ps_dec, |
| dec_mb_info_t * ps_cur_mb_info, |
| UWORD8 u1_mb_num) |
| { |
| /* CHANGED CODE */ |
| UWORD8 *pu1_rec_y, *pu1_rec_u, *pu1_rec_v; |
| |
| /*CHANGED CODE */ |
| UWORD32 ui_rec_width, u4_recwidth_cr; |
| WORD16 *pi2_y_coeff; |
| 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; |
| /* CHANGED CODE */ |
| 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; |
| /* CHANGED CODE */ |
| |
| 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; |
| |
| |
| /* CHANGED CODE */ |
| 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; |
| pu1_rec_v = ps_frame_buf->pu1_dest_v + (u4_num_pmbair << 3); |
| 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; |
| |
| /* CHANGED CODE */ |
| |
| 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)); |
| pu1_rec_v += (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); |
| } |
| } |
| |
| pi2_y_coeff = ps_dec->pi2_coeff_data; |
| /* Inverse Transform and Reconstruction */ |
| if(ps_cur_mb_info->u1_cbp & 0x0f) |
| { |
| /* CHANGED CODE */ |
| if(!ps_cur_mb_info->u1_tran_form8x8) |
| { |
| UWORD32 i; |
| WORD16 ai2_tmp[16]; |
| 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); |
| PROFILE_DISABLE_IQ_IT_RECON() |
| { |
| if(CHECKBIT(u4_luma_dc_only_csbp, i)) |
| { |
| ps_dec->pf_iquant_itrans_recon_luma_4x4_dc( |
| pi2_level, |
| pu1_pred_sblk, |
| pu1_pred_sblk, |
| ui_rec_width, |
| 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 |
| { |
| ps_dec->pf_iquant_itrans_recon_luma_4x4( |
| pi2_level, |
| pu1_pred_sblk, |
| pu1_pred_sblk, |
| ui_rec_width, |
| 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 |
| { |
| 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]; |
| 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); |
| if(CHECKBIT(ps_cur_mb_info->u1_cbp, i)) |
| { |
| PROFILE_DISABLE_IQ_IT_RECON() |
| { |
| if(CHECKBIT(u4_luma_dc_only_cbp, i)) |
| { |
| ps_dec->pf_iquant_itrans_recon_luma_8x8_dc( |
| pi16_levelBlock, |
| pu1_pred_sblk, |
| pu1_pred_sblk, |
| ui_rec_width, |
| 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 |
| { |
| ps_dec->pf_iquant_itrans_recon_luma_8x8( |
| pi16_levelBlock, |
| pu1_pred_sblk, |
| pu1_pred_sblk, |
| ui_rec_width, |
| 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); |
| } |
| } |
| } |
| } |
| |
| } |
| } |
| |
| /* 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]; |
| 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); |
| PROFILE_DISABLE_IQ_IT_RECON() |
| { |
| if(CHECKBIT(u2_chroma_csbp, i)) |
| { |
| ps_dec->pf_iquant_itrans_recon_chroma_4x4( |
| pi2_level, |
| pu1_pred_sblk, |
| pu1_pred_sblk, |
| u4_recwidth_cr, |
| 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_dec->pf_iquant_itrans_recon_chroma_4x4_dc( |
| pi2_level, |
| pu1_pred_sblk, |
| pu1_pred_sblk, |
| u4_recwidth_cr, |
| 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); |
| } |
| } |
| } |
| } |
| |
| pi2_y_coeff += MB_CHROM_SIZE; |
| u2_chroma_csbp >>= 4; |
| |
| { |
| UWORD32 i; |
| WORD16 ai2_tmp[16]; |
| 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); |
| PROFILE_DISABLE_IQ_IT_RECON() |
| { |
| if(CHECKBIT(u2_chroma_csbp, i)) |
| { |
| ps_dec->pf_iquant_itrans_recon_chroma_4x4( |
| pi2_level, |
| pu1_pred_sblk, |
| pu1_pred_sblk, |
| u4_recwidth_cr, |
| 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_dec->pf_iquant_itrans_recon_chroma_4x4_dc( |
| pi2_level, |
| pu1_pred_sblk, |
| pu1_pred_sblk, |
| u4_recwidth_cr, |
| 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); |
| } |
| } |
| } |
| } |
| } |
| } |
| return (0); |
| } |
| |
| /*! |
| ************************************************************************** |
| * \if Function name : ih264d_parse_pred_weight_table \endif |
| * |
| * \brief |
| * Implements pred_weight_table() of 7.3.3.2. |
| * |
| * \return |
| * None |
| * |
| ************************************************************************** |
| */ |
| WORD32 ih264d_parse_pred_weight_table(dec_slice_params_t * ps_cur_slice, |
| dec_bit_stream_t * ps_bitstrm) |
| { |
| UWORD32 *pu4_bitstrm_buf = ps_bitstrm->pu4_buffer; |
| UWORD32 *pu4_bitstrm_ofst = &ps_bitstrm->u4_ofst; |
| WORD8 i, cont, lx; |
| UWORD8 uc_weight_flag; |
| UWORD32 *pui32_weight_offset_lx; |
| WORD16 c_weight, c_offset; |
| UWORD32 ui32_y_def_weight_ofst, ui32_cr_def_weight_ofst; |
| UWORD32 ui32_temp; |
| UWORD8 uc_luma_log2_weight_denom; |
| UWORD8 uc_chroma_log2_weight_denom; |
| |
| /* Variables for error resilience checks */ |
| UWORD32 u4_temp; |
| WORD32 i_temp; |
| |
| u4_temp = ih264d_uev(pu4_bitstrm_ofst, pu4_bitstrm_buf); |
| if(u4_temp & MASK_LOG2_WEIGHT_DENOM) |
| { |
| return ERROR_PRED_WEIGHT_TABLE_T; |
| } |
| uc_luma_log2_weight_denom = u4_temp; |
| COPYTHECONTEXT("SH: luma_log2_weight_denom",uc_luma_log2_weight_denom); |
| ui32_y_def_weight_ofst = (1 << uc_luma_log2_weight_denom); |
| |
| u4_temp = ih264d_uev(pu4_bitstrm_ofst, pu4_bitstrm_buf); |
| if(u4_temp & MASK_LOG2_WEIGHT_DENOM) |
| { |
| return ERROR_PRED_WEIGHT_TABLE_T; |
| } |
| uc_chroma_log2_weight_denom = u4_temp; |
| COPYTHECONTEXT("SH: chroma_log2_weight_denom",uc_chroma_log2_weight_denom); |
| ui32_cr_def_weight_ofst = (1 << uc_chroma_log2_weight_denom); |
| |
| ps_cur_slice->u2_log2Y_crwd = uc_luma_log2_weight_denom |
| | (uc_chroma_log2_weight_denom << 8); |
| |
| cont = (ps_cur_slice->u1_slice_type == B_SLICE); |
| lx = 0; |
| do |
| { |
| for(i = 0; i < ps_cur_slice->u1_num_ref_idx_lx_active[lx]; i++) |
| { |
| pui32_weight_offset_lx = ps_cur_slice->u4_wt_ofst_lx[lx][i]; |
| |
| uc_weight_flag = ih264d_get_bit_h264(ps_bitstrm); |
| pu4_bitstrm_buf = ps_bitstrm->pu4_buffer; |
| COPYTHECONTEXT("SH: luma_weight_l0_flag",uc_weight_flag); |
| if(uc_weight_flag) |
| { |
| i_temp = ih264d_sev(pu4_bitstrm_ofst, |
| pu4_bitstrm_buf); |
| if((i_temp + 128) & MASK_PRED_WEIGHT_OFFSET) |
| return ERROR_PRED_WEIGHT_TABLE_T; |
| c_weight = i_temp; |
| COPYTHECONTEXT("SH: luma_weight_l0",c_weight); |
| |
| i_temp = ih264d_sev(pu4_bitstrm_ofst, |
| pu4_bitstrm_buf); |
| if((i_temp + 128) & MASK_PRED_WEIGHT_OFFSET) |
| return ERROR_PRED_WEIGHT_TABLE_T; |
| c_offset = i_temp; |
| COPYTHECONTEXT("SH: luma_offset_l0",c_offset); |
| |
| ui32_temp = (c_offset << 16) | (c_weight & 0xFFFF); |
| pui32_weight_offset_lx[0] = ui32_temp; |
| } |
| else |
| { |
| |
| pui32_weight_offset_lx[0] = ui32_y_def_weight_ofst; |
| } |
| |
| { |
| WORD8 c_weightCb, c_weightCr, c_offsetCb, c_offsetCr; |
| uc_weight_flag = ih264d_get_bit_h264(ps_bitstrm); |
| pu4_bitstrm_buf = ps_bitstrm->pu4_buffer; |
| COPYTHECONTEXT("SH: chroma_weight_l0_flag",uc_weight_flag); |
| if(uc_weight_flag) |
| { |
| i_temp = ih264d_sev(pu4_bitstrm_ofst, |
| pu4_bitstrm_buf); |
| if((i_temp + 128) & MASK_PRED_WEIGHT_OFFSET) |
| return ERROR_PRED_WEIGHT_TABLE_T; |
| c_weightCb = i_temp; |
| COPYTHECONTEXT("SH: chroma_weight_l0",c_weightCb); |
| |
| i_temp = ih264d_sev(pu4_bitstrm_ofst, |
| pu4_bitstrm_buf); |
| if((i_temp + 128) & MASK_PRED_WEIGHT_OFFSET) |
| return ERROR_PRED_WEIGHT_TABLE_T; |
| c_offsetCb = i_temp; |
| COPYTHECONTEXT("SH: chroma_weight_l0",c_offsetCb); |
| |
| ui32_temp = (c_offsetCb << 16) | (c_weightCb & 0xFFFF); |
| pui32_weight_offset_lx[1] = ui32_temp; |
| |
| i_temp = ih264d_sev(pu4_bitstrm_ofst, |
| pu4_bitstrm_buf); |
| if((i_temp + 128) & MASK_PRED_WEIGHT_OFFSET) |
| return ERROR_PRED_WEIGHT_TABLE_T; |
| c_weightCr = i_temp; |
| COPYTHECONTEXT("SH: chroma_weight_l0",c_weightCr); |
| |
| i_temp = ih264d_sev(pu4_bitstrm_ofst, |
| pu4_bitstrm_buf); |
| if((i_temp + 128) & MASK_PRED_WEIGHT_OFFSET) |
| return ERROR_PRED_WEIGHT_TABLE_T; |
| c_offsetCr = i_temp; |
| COPYTHECONTEXT("SH: chroma_weight_l0",c_offsetCr); |
| |
| ui32_temp = (c_offsetCr << 16) | (c_weightCr & 0xFFFF); |
| pui32_weight_offset_lx[2] = ui32_temp; |
| } |
| else |
| { |
| pui32_weight_offset_lx[1] = ui32_cr_def_weight_ofst; |
| pui32_weight_offset_lx[2] = ui32_cr_def_weight_ofst; |
| } |
| } |
| } |
| lx++; |
| } |
| while(cont--); |
| |
| return OK; |
| } |
| |
| |
| /*****************************************************************************/ |
| /* */ |
| /* Function Name : ih264d_init_ref_idx_lx_p */ |
| /* */ |
| /* Description : This function initializes the reference picture L0 list */ |
| /* for P slices as per section 8.2.4.2.1 and 8.2.4.2.2. */ |
| /* */ |
| /* Inputs : pointer to ps_dec struture */ |
| /* Globals : NO */ |
| /* Processing : arranges all the short term pictures according to */ |
| /* pic_num in descending order starting from curr pic_num. */ |
| /* and inserts it in L0 list followed by all Long term */ |
| /* pictures in ascending order. */ |
| /* */ |
| /* Returns : void */ |
| /* */ |
| /* Issues : <List any issues or problems with this function> */ |
| /* */ |
| /* Revision History: */ |
| /* */ |
| /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| /* 13 07 2002 Jay Draft */ |
| /* */ |
| /*****************************************************************************/ |
| void ih264d_init_ref_idx_lx_p(dec_struct_t *ps_dec) |
| { |
| struct pic_buffer_t *ps_ref_pic_buf_lx; |
| dpb_manager_t *ps_dpb_mgr; |
| struct dpb_info_t *ps_next_dpb; |
| WORD8 i; |
| UWORD8 u1_max_lt_index, u1_min_lt_index, u1_lt_index; |
| UWORD8 u1_field_pic_flag; |
| dec_slice_params_t *ps_cur_slice; |
| UWORD8 u1_L0; |
| WORD32 i4_cur_pic_num, i4_min_st_pic_num; |
| WORD32 i4_temp_pic_num, i4_ref_pic_num; |
| UWORD8 u1_num_short_term_bufs; |
| UWORD8 u1_max_ref_idx_l0; |
| |
| ps_cur_slice = ps_dec->ps_cur_slice; |
| u1_field_pic_flag = ps_cur_slice->u1_field_pic_flag; |
| u1_max_ref_idx_l0 = ps_cur_slice->u1_num_ref_idx_lx_active[0] |
| << u1_field_pic_flag; |
| |
| ps_dpb_mgr = ps_dec->ps_dpb_mgr; |
| /* Get the current frame number */ |
| i4_cur_pic_num = ps_dec->ps_cur_pic->i4_pic_num; |
| |
| /* Get Min pic_num,MinLt */ |
| i4_min_st_pic_num = i4_cur_pic_num; |
| u1_max_lt_index = MAX_REF_BUFS + 1; |
| u1_min_lt_index = MAX_REF_BUFS + 1; |
| |
| /* Start from ST head */ |
| ps_next_dpb = ps_dpb_mgr->ps_dpb_st_head; |
| for(i = 0; i < ps_dpb_mgr->u1_num_st_ref_bufs; i++) |
| { |
| i4_ref_pic_num = ps_next_dpb->ps_pic_buf->i4_pic_num; |
| if(i4_ref_pic_num < i4_cur_pic_num) |
| { |
| /* RefPic Buf pic_num is before Current pic_num in decode order */ |
| i4_min_st_pic_num = MIN(i4_min_st_pic_num, i4_ref_pic_num); |
| } |
| |
| /* Chase the next link */ |
| ps_next_dpb = ps_next_dpb->ps_prev_short; |
| } |
| |
| /* Start from LT head */ |
| ps_next_dpb = ps_dpb_mgr->ps_dpb_ht_head; |
| if(ps_next_dpb) |
| { |
| u1_max_lt_index = ps_next_dpb->u1_lt_idx; |
| u1_min_lt_index = ps_next_dpb->u1_lt_idx; |
| |
| for(i = 0; i < ps_dpb_mgr->u1_num_lt_ref_bufs; i++) |
| { |
| u1_lt_index = ps_next_dpb->u1_lt_idx; |
| u1_max_lt_index = (UWORD8)(MAX(u1_max_lt_index, u1_lt_index)); |
| u1_min_lt_index = (UWORD8)(MIN(u1_min_lt_index, u1_lt_index)); |
| |
| /* Chase the next link */ |
| ps_next_dpb = ps_next_dpb->ps_prev_long; |
| } |
| } |
| /* 1. Initialize refIdxL0 */ |
| u1_L0 = 0; |
| if(u1_field_pic_flag) |
| { |
| ps_ref_pic_buf_lx = ps_dpb_mgr->ps_init_dpb[0][0]; |
| ps_ref_pic_buf_lx += MAX_REF_BUFS; |
| i4_temp_pic_num = i4_cur_pic_num; |
| } |
| else |
| { |
| ps_ref_pic_buf_lx = ps_dpb_mgr->ps_init_dpb[0][0]; |
| i4_temp_pic_num = i4_cur_pic_num; |
| } |
| |
| /* Arrange all short term buffers in output order as given by pic_num */ |
| /* Arrange pic_num's less than Curr pic_num in the descending pic_num */ |
| /* order starting from (Curr pic_num - 1) */ |
| for(; i4_temp_pic_num >= i4_min_st_pic_num; i4_temp_pic_num--) |
| { |
| /* Start from ST head */ |
| ps_next_dpb = ps_dpb_mgr->ps_dpb_st_head; |
| for(i = 0; i < ps_dpb_mgr->u1_num_st_ref_bufs; i++) |
| { |
| if((WORD32)ps_next_dpb->ps_pic_buf->i4_pic_num == i4_temp_pic_num) |
| { |
| /* Copy info in pic buffer */ |
| ih264d_insert_pic_in_ref_pic_listx(ps_ref_pic_buf_lx, |
| ps_next_dpb->ps_pic_buf); |
| ps_ref_pic_buf_lx++; |
| u1_L0++; |
| break; |
| } |
| ps_next_dpb = ps_next_dpb->ps_prev_short; |
| } |
| } |
| |
| /* Arrange all Long term buffers in ascending order, in LongtermIndex */ |
| /* Start from LT head */ |
| u1_num_short_term_bufs = u1_L0; |
| for(u1_lt_index = u1_min_lt_index; u1_lt_index <= u1_max_lt_index; |
| u1_lt_index++) |
| { |
| ps_next_dpb = ps_dpb_mgr->ps_dpb_ht_head; |
| for(i = 0; i < ps_dpb_mgr->u1_num_lt_ref_bufs; i++) |
| { |
| if(ps_next_dpb->u1_lt_idx == u1_lt_index) |
| { |
| ih264d_insert_pic_in_ref_pic_listx(ps_ref_pic_buf_lx, |
| ps_next_dpb->ps_pic_buf); |
| |
| ps_ref_pic_buf_lx->u1_long_term_pic_num = |
| ps_ref_pic_buf_lx->u1_long_term_frm_idx; |
| ps_ref_pic_buf_lx++; |
| u1_L0++; |
| break; |
| } |
| ps_next_dpb = ps_next_dpb->ps_prev_long; |
| } |
| } |
| |
| if(u1_field_pic_flag) |
| { |
| /* Initialize the rest of the entries in the */ |
| /* reference list to handle of errors */ |
| { |
| UWORD8 u1_i; |
| pic_buffer_t *ps_ref_pic; |
| |
| ps_ref_pic = ps_dpb_mgr->ps_init_dpb[0][0] + MAX_REF_BUFS; |
| |
| if(NULL == ps_ref_pic->pu1_buf1) |
| { |
| ps_ref_pic = ps_dec->ps_cur_pic; |
| } |
| for(u1_i = u1_L0; u1_i < u1_max_ref_idx_l0; u1_i++) |
| { |
| *ps_ref_pic_buf_lx = *ps_ref_pic; |
| ps_ref_pic_buf_lx++; |
| } |
| } |
| |
| ih264d_convert_frm_to_fld_list( |
| ps_dpb_mgr->ps_init_dpb[0][0] + MAX_REF_BUFS, &u1_L0, |
| ps_dec, u1_num_short_term_bufs); |
| |
| ps_ref_pic_buf_lx = ps_dpb_mgr->ps_init_dpb[0][0] + u1_L0; |
| } |
| |
| /* Initialize the rest of the entries in the */ |
| /* reference list to handle of errors */ |
| { |
| UWORD8 u1_i; |
| pic_buffer_t *ps_ref_pic; |
| |
| ps_ref_pic = ps_dpb_mgr->ps_init_dpb[0][0]; |
| |
| if(NULL == ps_ref_pic->pu1_buf1) |
| { |
| ps_ref_pic = ps_dec->ps_cur_pic; |
| } |
| for(u1_i = u1_L0; u1_i < u1_max_ref_idx_l0; u1_i++) |
| { |
| *ps_ref_pic_buf_lx = *ps_ref_pic; |
| ps_ref_pic_buf_lx++; |
| } |
| } |
| ps_dec->ps_cur_slice->u1_initial_list_size[0] = u1_L0; |
| } |
| |
