| /****************************************************************************** |
| * |
| * 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_structs.h |
| * |
| * @brief |
| * Contains structures required for decoder |
| * |
| * @author |
| * Kishore |
| * |
| * @remarks |
| * None |
| * |
| ******************************************************************************* |
| */ |
| |
| #ifndef _ISVCD_STRUCTS_H_ |
| #define _ISVCD_STRUCTS_H_ |
| |
| #include "isvcd_defs.h" |
| #include "isvcd_cabac.h" |
| #include "ih264d_structs.h" |
| #include "isvcd_iquant_itrans_residual_recon.h" |
| #include "isvcd_iquant_itrans_residual.h" |
| #include "isvcd_iquant_itrans.h" |
| #include "isvcd_pred_residual_recon.h" |
| |
| #include "isvcd_nal.h" |
| #include "isvcd_nal_structs.h" |
| #include "isvcd_nal_parse.h" |
| #include "isvcd_nal_parse_structs.h" |
| |
| #include "isvcd_intra_resamp.h" |
| #include "isvcd_ii_pred.h" |
| #include "isvcd_residual_resamp.h" |
| |
| #include "isvcd_vui.h" |
| |
| #define NUM_MB_PARTS 4 |
| #define NUM_SUB_MB_PARTS 4 |
| #define NUM_INTRA_SUB_BLOCKS 16 |
| #define MAX_NUM_MB_PART NUM_MB_PARTS *NUM_SUB_MB_PARTS |
| |
| #define ANNEX_B 0 /*!< Annex B stream*/ |
| #define NON_ANNEX_B 1 /*!< Non Annex B RFC stream */ |
| |
| #define BUFFER_ALIGN_4 4 |
| |
| #define MAX_VCL_NAL_BUFF_SIZE (1024 * 1024 * 2) |
| #define MAX_NON_VCL_NAL_BUFF_SIZE (1024 * 1024) |
| #define MAX_SCLD_REF_LAYER_OFFSET 32768 |
| #define MIN_SCLD_REF_LAYER_OFFSET -32768 |
| #define MAX_SVC_NAL_UNIT_TYPE 31 |
| /*! Nal unit svc extennsion parameters */ |
| |
| struct _SvcDecLyrStruct; |
| |
| typedef struct |
| { |
| UWORD8 u1_nal_ref_idc; /** NAL ref idc of the Slice NAL unit */ |
| UWORD8 u1_svc_ext_flag; /** svc nal extension */ |
| UWORD8 u1_idr_flag; /** IDR picture when dependency_id = maximum value of |
| dependency_id */ |
| UWORD8 u1_priority_id; /** priority identifier for the NAL unit */ |
| UWORD8 u1_no_inter_layer_pred_flag; /** Usage of the inter-layer prediction */ |
| UWORD8 u1_dependency_id; /** dependency identifier for the NAL unit */ |
| UWORD8 u1_quality_id; /** quality identifier for the NAL unit */ |
| UWORD8 u1_temporal_id; /** temporal identifier for the NAL unit */ |
| UWORD8 u1_use_ref_base_pic_flag; /** specifies reference pictures for inter |
| prediction */ |
| UWORD8 u1_discardable_flag; /** current NAL unit is not used in dependant |
| decoding */ |
| UWORD8 u1_output_flag; /** decoded picture output and removal process */ |
| |
| } dec_nal_unit_svc_ext_params_t; |
| |
| /* Structure to contain information about reference base pic marking */ |
| typedef struct |
| { |
| UWORD8 u1_adaptive_ref_base_pic_marking_mode_flag; |
| UWORD32 u4_memory_management_base_control_operation; |
| UWORD32 u4_difference_of_base_pic_nums_minus1; |
| UWORD32 u4_long_term_base_pic_num; |
| |
| } dec_ref_base_pic_marking_params_t; |
| |
| /*! Sequence level parameters svc extension */ |
| |
| typedef struct |
| { |
| /** Presence of deblocking filter for inter-layer prediction in the slice |
| * header */ |
| UWORD8 u1_inter_layer_deblocking_filter_control_present_flag; |
| UWORD8 u1_extended_spatial_scalability_idc; /** Geometrical parameters for the |
| resampling processes */ |
| /** horizontal phase shift of the chroma components in units of half luma |
| * samples*/ |
| UWORD8 u1_chroma_phase_x_plus1_flag; |
| /** vertical phase shift of the chroma components in units of half luma |
| * samples */ |
| UWORD8 u1_chroma_phase_y_plus1; |
| /* horizontal phase shift of chroma in units of half luma samples used for |
| * inter-layer prediction */ |
| UWORD8 u1_seq_ref_layer_chroma_phase_x_plus1_flag; |
| /* vertical phase shift of chroma in units of half luma samples used for |
| * inter-layer prediction */ |
| UWORD8 u1_seq_ref_layer_chroma_phase_y_plus1; |
| WORD32 i4_seq_scaled_ref_layer_left_offset; /** horizontal left offset */ |
| WORD32 i4_seq_scaled_ref_layer_top_offset; /** vertical top offset */ |
| WORD32 i4_seq_scaled_ref_layer_right_offset; /**horizontal right offset */ |
| WORD32 i4_seq_scaled_ref_layer_bottom_offset; /** vertical bottom offset */ |
| UWORD8 u1_seq_tcoeff_level_prediction_flag; /** presence of the syntax element |
| adaptive_tcoeff_level_prediction_flag |
| */ |
| UWORD8 u1_adaptive_tcoeff_level_prediction_flag; /** presence of |
| tcoeff_level_prediction_flag |
| */ |
| /** specifies presence of syntax elements in slice headers that refer to the |
| * subset sequence parameter set */ |
| UWORD8 u1_slice_header_restriction_flag; |
| UWORD8 u1_svc_vui_parameters_present_flag; |
| svc_vui_ext_t *ps_svc_vui_ext; |
| } dec_subset_seq_params_t; |
| |
| typedef struct |
| { |
| WORD32 i4_left_offset; /*!< Scaled horizontal offset of the top left |
| corner luma sample of reference layer from |
| the top left corner luma sample of the current |
| layer. (In the units of num MBs) */ |
| WORD32 i4_rt_offset; /*!< Scaled horizontal offset of the bottom right |
| corner luma sample of reference layer from |
| the top left corner luma sample of the |
| current layer. (In the units of num MBs) */ |
| WORD32 i4_top_offset; /*!< Scaled vertical offset of the top left |
| corner luma sample of reference layer from |
| the top left corner luma sample of the current |
| layer. (In the units of num MBs) */ |
| WORD32 i4_bot_offset; /*!< Scaled vertical offset of the bottom right |
| corner luma sample of reference layer from |
| the top left corner luma sample of the current |
| layer. (In the units of num MBs) */ |
| } dec_svc_crop_wnd_offset_t; |
| |
| typedef struct |
| { |
| UWORD32 u4_ref_layer_dq_id; |
| UWORD32 u4_disable_inter_layer_deblk_filter_idc; |
| WORD32 i4_inter_layer_slice_alpha_c0_offset_div2; |
| WORD32 i4_inter_layer_slice_beta_offset_div2; |
| UWORD8 u1_constrained_intra_resampling_flag; |
| UWORD8 u1_ref_layer_chroma_phase_x_plus1_flag; |
| UWORD8 u1_ref_layer_chroma_phase_y_plus1; |
| |
| WORD32 i4_scaled_ref_layer_left_offset; |
| WORD32 i4_scaled_ref_layer_right_offset; |
| WORD32 i4_scaled_ref_layer_top_offset; |
| WORD32 i4_scaled_ref_layer_bottom_offset; |
| UWORD8 u1_slice_skip_flag; |
| UWORD32 u4_num_mbs_in_slice_minus1; |
| UWORD8 u1_adaptive_base_mode_flag; |
| UWORD8 u1_default_base_mode_flag; |
| UWORD8 u1_adaptive_motion_prediction_flag; |
| UWORD8 u1_default_motion_prediction_flag; |
| UWORD8 u1_adaptive_residual_prediction_flag; |
| UWORD8 u1_default_residual_prediction_flag; |
| UWORD8 u1_tcoeff_level_prediction_flag; |
| UWORD8 u1_scan_idx_start; |
| UWORD8 u1_scan_idx_end; |
| UWORD8 u1_base_pred_weight_table_flag; |
| dec_ref_base_pic_marking_params_t s_ref_base_pic_marking_svc_ext; |
| UWORD8 u1_store_ref_base_pic_flag; /* specifies when dependency_id is equal to |
| the max value of the VCL NAL units of |
| the coded picture */ |
| |
| } dec_slice_svc_ext_params_t; |
| |
| /* Prefix NAL unit svc extension parameters*/ |
| |
| typedef struct |
| { |
| dec_nal_unit_svc_ext_params_t s_nal_svc_ext; |
| dec_ref_base_pic_marking_params_t s_ref_base_pic_marking_svc_ext; |
| UWORD8 u1_store_ref_base_pic_flag; /* specifies when dependency_id is equal to |
| the max value of the VCL NAL units of |
| the coded picture */ |
| UWORD8 u1_additional_prefix_nal_unit_ext_flag; /* To indicate whether additional nal unit |
| extension data flag syntax elements */ |
| UWORD8 u1_additional_prefix_nal_unit_ext_data_flag; /*Used for FUTURE USE */ |
| |
| } dec_prefix_nal_unit_svc_ext_params_t; |
| |
| typedef enum |
| { |
| LIST_0 = 0, |
| LIST_1 = 1, |
| NUM_REF_LISTS |
| } REF_LIST_T; |
| |
| typedef enum |
| { |
| INTRA_16x16 = 0, |
| INTRA_NXN |
| } INTRA_MB_PRED_MODE_T; |
| |
| /* Transform type */ |
| typedef enum |
| { |
| T_4X4 = 0, |
| T_8X8, |
| T_PCM |
| } TRANSFORM_TYPE_T; |
| |
| typedef struct |
| { |
| vcl_node_t *ps_top_node; /*!< VCL node corresponding to top most |
| layer in the access unit. |
| */ |
| vcl_node_t *ps_bot_node; /*!< VCL node corresponding to |
| bottom most layer to be decoded in the |
| access unit. This parameter keeps updated |
| during course of decoding from base layer |
| till top most layer. |
| */ |
| |
| WORD32 i4_num_res_lyrs; /*!< Number of layers with |
| different resolutions. Layers with spatial |
| resoluton change flag equal to 0 are |
| considered to be of same resolution as |
| reference layer's resolution. |
| */ |
| /* following 2 parameter will be updated only if */ |
| /* the picture boundary is detected due to difference */ |
| /* in slice header syntax */ |
| |
| UWORD16 u2_frm_num_next; /*!< frame number of the next |
| slice after picture boundary detection |
| */ |
| WORD8 i1_nal_ref_id_next; /*!< nal ref id of the next slice after picture boundary detection |
| range [-1,3]; -1 says the picture boundary is detected |
| by DQID of the layers |
| */ |
| } vcl_nal_t; |
| |
| typedef struct |
| { |
| WORD32 i4_num_non_vcl_nals; /*!< Total number of non vcl nals that are |
| extracted from the bitstream. |
| */ |
| |
| non_vcl_buf_hdr_t *ps_first_non_vcl_nal; /*!< This shall point to first NON VCL NAL |
| that is extracted from the input bitstream. This |
| shall be set to NULL if there are no VCL NALs |
| present in the bitstream in a access unit */ |
| |
| } non_vcl_nal_t; |
| |
| typedef struct |
| { |
| WORD16 i2_mv_x; /*!< motion vectors in horizontal direction |
| QPEL units |
| */ |
| WORD16 i2_mv_y; /*!< motion vectors in vertical direction QPEL |
| units |
| */ |
| } mot_vec_t; |
| |
| typedef struct |
| { |
| mot_vec_t as_mv[NUM_SUB_MB_PARTS]; |
| WORD32 i4_ref_idx; |
| } mb_part_mv_t; |
| |
| typedef struct |
| { |
| /* |
| PRED_16X16, |
| PRED_16X8, |
| PRED_8X16, |
| PRED_8X8, |
| */ |
| UWORD8 u1_part_type; |
| |
| UWORD8 u1_mv_cnt; |
| /* |
| 0-1 bits : 1st partition |
| 2-3 bits : 2nd partition |
| 4-5 bits : 3rd partition |
| 6-7 bits : 4th partition |
| |
| Value |
| 00 : B_DIRECT |
| 01 : L0 |
| 10 : L1 |
| 11 : BiPred |
| */ |
| UWORD8 u1_pred_mode; /* Pred mode shall have valid value till |
| mode motion prediction only. Hence this value shall |
| not be used for the motion compensation |
| */ |
| UWORD8 au1_mot_pred_flags[2]; |
| UWORD8 au1_sub_mb_part_ht_wd[NUM_MB_PARTS * NUM_SUB_MB_PARTS]; |
| UWORD8 au1_sub_mb_num[NUM_MB_PARTS * NUM_SUB_MB_PARTS >> 1]; |
| WORD8 ai1_sub_mb_part_type[NUM_MB_PARTS]; |
| mb_part_mv_t as_mb_part_dmv[2][NUM_MB_PARTS]; |
| } inter_mb_prms_t; /* We need to improve on commenting */ |
| |
| typedef struct |
| { |
| /* |
| 0 : I_16x16 |
| 1 : I_NXN |
| */ |
| WORD32 i4_pred_mode; |
| WORD32 i4_chroma_intra_pred_mode; |
| WORD8 ai1_rem_intra_pred_mode[NUM_INTRA_SUB_BLOCKS]; |
| } intra_mb_prms_t; /* We need to improve on commenting */ |
| |
| typedef union |
| { |
| inter_mb_prms_t s_inter; |
| intra_mb_prms_t s_intra; |
| } mb_prms_ext_t; |
| |
| typedef struct |
| { |
| UWORD8 u1_chroma_nnz; /*! NNZs of Chroma. Here each bit corresonds |
| to a NNZs of 4x4 sub block. Lower 4 bits are |
| used for Cb and upper are used for Cr */ |
| UWORD16 u2_luma_nnz; /*! NNZs of Luma. Here each bit corresonds |
| to a NNZs of 4x4 sub block in raster scan |
| order. */ |
| WORD8 i1_mb_mode; /*! MB mode of an MB */ |
| |
| WORD8 i1_tx_size; /*! transform size of an MB */ |
| |
| WORD8 i1_slice_id; |
| } inter_lyr_mb_prms_t; |
| |
| /* the following 2 structures are used store certain parameters */ |
| /* across units for each layer or each dependency layer */ |
| typedef struct |
| { |
| WORD32 i4_updated_sts; /*!< flag to indicate whether the |
| params have been updated |
| */ |
| WORD32 i4_ref_dq_id; /*!< place to hold the ref_dqid of previous |
| access unit |
| */ |
| WORD32 i4_nal_ref_id; /*!< place to hold the nal_ref_id of previous |
| access unit |
| */ |
| UWORD16 u2_frm_num; /*!< place to hold the frame number of |
| previous access unit will be used to |
| handle Errors in "frame_num" |
| syntax elements |
| */ |
| } prev_au_prms_t; |
| |
| typedef struct |
| { |
| WORD32 i4_updated_sts; /*!< flag to indicate whether the |
| params have been updated |
| */ |
| |
| UWORD8 u1_pps_id; /*!< PPS ID of an access unit for a particular |
| layer. will be used in concealment of |
| Errors in next access unit |
| */ |
| |
| UWORD8 u1_sps_id; /*!< SPS ID of an access unit for a particular |
| layer. will be used in concealment of |
| Errors in next access unit |
| */ |
| |
| } prev_au_sps_pps_t; |
| |
| typedef enum |
| { |
| /*CABAC SVC related flags*/ |
| CABAC_BASE_MODE_FLAG = 460, |
| CABAC_MOT_PRED_FLAG0 = 463, |
| CABAC_MOT_PRED_FLAG1 = 464, |
| CABAC_RES_PRED_FLAG = 465 |
| |
| } svc_cabac_table_num_t; |
| |
| typedef struct |
| { |
| dec_seq_params_t *ps_seq; |
| dec_subset_seq_params_t s_sps_svc_ext; |
| |
| /* sequence associated frame paramateres*/ |
| WORD32 i4_reorder_depth; |
| UWORD16 u2_disp_height; |
| UWORD16 u2_disp_width; |
| UWORD16 u2_pic_wd; |
| UWORD16 u2_pic_ht; |
| UWORD16 u2_frm_wd_y; |
| UWORD16 u2_frm_ht_y; |
| UWORD16 u2_frm_wd_uv; |
| UWORD16 u2_frm_ht_uv; |
| UWORD8 u1_pad_len_y_v; |
| UWORD8 u1_pad_len_cr_v; |
| UWORD16 u2_crop_offset_y; |
| UWORD16 u2_crop_offset_uv; |
| } dec_svc_seq_params_t; |
| |
| typedef struct |
| { |
| /*svc related flags*/ |
| UWORD8 u1_base_mode_flag; |
| UWORD8 u1_residual_prediction_flag; |
| UWORD8 u1_crop_window_flag; |
| UWORD8 au1_motion_pred_flag[2]; |
| } dec_svc_mb_info_t; |
| |
| typedef struct _SvcDecLyrStruct |
| { |
| dec_struct_t s_dec; |
| |
| /*Pred + Res = Target when csbp is zero*/ |
| ih264_pred_residual_recon_ft *pf_pred_residual_recon_luma_4x4; |
| |
| ih264_pred_residual_recon_ft *pf_pred_residual_recon_luma_8x8; |
| |
| ih264_pred_residual_recon_ft *pf_pred_residual_recon_luma_16x16; |
| |
| ih264_pred_residual_recon_chroma_ft *pf_pred_residual_recon_chroma_4x4; |
| |
| ih264_pred_residual_recon_chroma_ft *pf_pred_residual_recon_chroma_8x8; |
| |
| /* IT + Res + Recon*/ |
| ih264_iquant_itrans_residual_recon_ft *pf_iquant_itrans_residual_recon_luma_4x4; |
| |
| ih264_iquant_itrans_residual_recon_ft *pf_iquant_itrans_residual_recon_luma_4x4_dc; |
| |
| ih264_iquant_itrans_residual_recon_ft *pf_iquant_itrans_residual_recon_luma_8x8; |
| |
| ih264_iquant_itrans_residual_recon_ft *pf_iquant_itrans_residual_recon_luma_8x8_dc; |
| |
| ih264_iquant_itrans_residual_recon_chroma_ft *pf_iquant_itrans_residual_recon_chroma_4x4; |
| |
| ih264_iquant_itrans_residual_recon_chroma_ft *pf_iquant_itrans_residual_recon_chroma_4x4_dc; |
| |
| /* Res nnz*/ |
| ih264_residual_ft *pf_residual_luma_4x4; |
| ih264_residual_ft *pf_residual_luma_8x8; |
| ih264_residual_ft *pf_residual_luma_16x16; |
| |
| ih264_residual_chroma_ft *pf_residual_chroma_cb_cr_8x8; |
| |
| /*IT + residual */ |
| ih264_iquant_itrans_residual_ft *pf_iquant_itrans_residual_luma_4x4; |
| |
| ih264_iquant_itrans_residual_ft *pf_iquant_itrans_residual_luma_4x4_dc; |
| |
| ih264_iquant_itrans_residual_ft *pf_iquant_itrans_residual_luma_8x8; |
| |
| ih264_iquant_itrans_residual_ft *pf_iquant_itrans_residual_luma_8x8_dc; |
| |
| ih264_iquant_itrans_residual_chroma_ft *pf_iquant_itrans_residual_chroma_4x4; |
| |
| ih264_iquant_itrans_residual_chroma_ft *pf_iquant_itrans_residual_chroma_4x4_dc; |
| |
| /* IT */ |
| ih264_iquant_itrans_ft *pf_iquant_itrans_luma_4x4; |
| |
| ih264_iquant_itrans_ft *pf_iquant_itrans_luma_4x4_dc; |
| |
| ih264_iquant_itrans_ft *pf_iquant_itrans_luma_8x8; |
| |
| ih264_iquant_itrans_ft *pf_iquant_itrans_luma_8x8_dc; |
| |
| ih264_iquant_itrans_chroma_ft *pf_iquant_itrans_chroma_4x4; |
| |
| ih264_iquant_itrans_chroma_ft *pf_iquant_itrans_chroma_4x4_dc; |
| |
| /** |
| *SVC extension parsing strcture place holders |
| */ |
| dec_nal_unit_svc_ext_params_t *ps_nal_svc_ext; |
| dec_prefix_nal_unit_svc_ext_params_t s_pre_nal_unit_svc_ext; |
| dec_svc_crop_wnd_offset_t *ps_crop_wnd_offset; |
| UWORD8 *apu1_crop_wnd_flag[MAX_DEP_LYRS_IN_RES]; |
| |
| /** |
| *contexts for the CABAC related parsing |
| */ |
| bin_ctxt_model_t *ps_base_mode_flag; |
| bin_ctxt_model_t *ps_motion_prediction_flag_l0; |
| bin_ctxt_model_t *ps_motion_prediction_flag_l1; |
| bin_ctxt_model_t *ps_residual_prediction_flag; |
| |
| /** |
| * Function pointers to read Params common to CAVLC and CABAC |
| */ |
| WORD32(*pf_parse_inter_mb_svc_ext) |
| (struct _SvcDecLyrStruct *ps_dec, dec_mb_info_t *ps_cur_mb_info, |
| dec_svc_mb_info_t *ps_svc_cur_mb_info, UWORD8 u1_mb_num, UWORD8 u1_num_mbsNby2); |
| |
| WORD32(*pf_parse_inter_slice_svc_ext) |
| (struct _SvcDecLyrStruct *ps_dec, dec_slice_params_t *ps_slice, UWORD16 u2_first_mb_in_slice); |
| |
| /** |
| * Function pointers to parse inter slice data |
| */ |
| |
| WORD32(*pf_parse_svc_inter_slice) |
| (struct _SvcDecLyrStruct *ps_dec, dec_slice_params_t *ps_slice, UWORD16 u2_first_mb_in_slice); |
| |
| /* inter layer precition buffers */ |
| |
| /* 4x4 level */ |
| mv_pred_t *ps_il_pred_mv_bank_buf_base; |
| |
| /* 16x16 level */ |
| inter_lyr_mb_prms_t *ps_inter_lyr_mb_prms_base; |
| inter_lyr_mb_prms_t *ps_inter_lyr_mb_prms_frm_start; |
| inter_lyr_mb_prms_t *ps_inter_lyr_mb_prms_cur_mb; |
| UWORD16 u2_inter_lyr_mb_prms_stride; |
| UWORD32 u4_inter_lyr_mb_prms_size; /* in Bytes */ |
| |
| /* full frame size : -255 -255 */ |
| WORD16 *pi2_il_residual_resample_luma_base; |
| WORD16 *pi2_il_residual_resample_chroma_base; |
| WORD16 *pi2_il_residual_resample_mb_luma_frm_start; |
| WORD16 *pi2_il_residual_resample_mb_chroma_frm_start; |
| |
| UWORD16 u2_residual_resample_luma_stride; |
| UWORD16 u2_residual_resample_chroma_stride; |
| UWORD32 u4_residual_resample_luma_size; /* in Bytes */ |
| UWORD32 u4_residual_resample_chroma_size; /* in Bytes */ |
| |
| mv_pred_t *ps_il_pred_mv_bank_buf_cur_mb; |
| |
| UWORD8 *pu1_crop_wnd_flag; |
| /* |
| * Layer info flag - Base layer; Intermediate Enhancement Layers; Target |
| * Enhacement Layer. |
| */ |
| UWORD8 u1_layer_identifier; |
| /* layer id of the current layer */ |
| UWORD8 u1_layer_id; |
| /* flag to indicate if spatial layers are dyadic */ |
| UWORD8 u1_dyadic_flag; |
| /* flag to indicate if current layer is base layer */ |
| UWORD8 u1_base_res_flag; |
| /* reference layer for inter layer prediction, no quality layers */ |
| UWORD8 u1_ref_layer_id; |
| |
| UWORD8 u1_restricted_res_change_flag; |
| |
| res_prms_t s_res_prms; |
| |
| void *pv_ref_lyr_offset; |
| void *pv_mode_mv_sample_ctxt; |
| void *pv_ii_pred_ctxt; |
| void *pv_residual_sample_ctxt; |
| |
| void *pv_intra_sample_ctxt; |
| /*!< projected locations buffer pointer exported by Intra Upsampling module |
| for luma this buffer contains the projected offsets and window width in |
| reference layer for each MB (in horizontal direction) of current resolution |
| layer.*/ |
| ref_mb_map_t *ps_intsam_luma_map_horz; |
| |
| /*!< projected locations buffer pointer exported by Intra Upsampling module |
| for chroma this buffer contains the projected offsets and window width in |
| reference layer |
| for each MB (in horizontal direction) of current resolution layer.*/ |
| ref_mb_map_t *ps_intsam_chroma_map_horz; |
| |
| /*!< projected locations buffer pointer exported by Intra Upsampling module |
| for luma this buffer contains the projected offsets and window width in |
| reference layer for each MB (in vertical direction) of current resolution |
| layer. */ |
| ref_mb_map_t *ps_intsam_luma_map_vert; |
| |
| /*!< projected locations buffer pointer exported by Intra Upsampling module |
| for chroma this buffer contains the projected offsets and window width in |
| reference layer for each MB (in vertical direction) of current resolution |
| layer. */ |
| ref_mb_map_t *ps_intsam_chroma_map_vert; |
| |
| /*!< projected locations buffer pointer exported by Residual Upsampling module |
| for luma. this buffer contains the projected offsets and window width in |
| reference layer for each MB (in horizontal direction) of current resolution |
| layer. */ |
| ref_mb_map_t *ps_ressam_luma_map_horz; |
| |
| /*!< projected locations buffer pointer exported by Residual Upsampling module |
| for chroma. this buffer contains the projected offsets and window width in |
| reference layer |
| for each MB (in horizontal direction) of current resolution layer. */ |
| ref_mb_map_t *ps_ressam_chroma_map_horz; |
| |
| /*!< projected locationscbuffer pointercexported by Residual Upsampling |
| modulec for chroma. this buffer contains the projected offsets and window |
| width in reference layer for each MB (in vertical direction) ofv current |
| resolution layer. */ |
| ref_mb_map_t *ps_ressam_luma_map_vert; |
| |
| /*!< projected locationscbuffer pointerccexported by Residual Upsampling |
| module for chroma.cthis buffer contains the projected offsets and window width |
| in reference layer for each MB (in vertical direction) of current resolution |
| layer.*/ |
| ref_mb_map_t *ps_ressam_chroma_map_vert; |
| |
| /* pointer to decoder layer referered by current layer */ |
| void *ps_dec_svc_ref_layer; |
| /* pointer to master context */ |
| void *ps_svcd_ctxt; |
| |
| UWORD8 u1_inter_lyr_disable_dblk_filter_idc; |
| WORD8 i1_inter_lyr_slice_alpha_c0_offset; |
| WORD8 i1_inter_lyr_slice_beta_offset; |
| |
| UWORD8 *pu1_ii_resamp_buffer_luma; |
| UWORD8 *pu1_ii_resamp_buffer_chroma; |
| |
| dec_slice_svc_ext_params_t s_svc_slice_params; |
| dec_svc_seq_params_t *ps_subset_sps; |
| dec_svc_seq_params_t *ps_cur_subset_sps; |
| void *pv_scratch_subset_sps; |
| |
| /* Variables Required for N MB design */ |
| dec_svc_mb_info_t *ps_svc_nmb_info; |
| |
| dec_svc_mb_info_t *ps_svc_frm_mb_info; |
| |
| void (*pf_svc_compute_bs)(struct _SvcDecLyrStruct *ps_svc_lyr_dec, |
| struct _DecMbInfo *ps_cur_mb_info, const UWORD16 u2_mbxn_mb); |
| |
| UWORD16 *pu2_frm_res_luma_csbp; |
| WORD32 i4_frm_res_luma_csbp_stride; |
| |
| UWORD8 *pu1_svc_base_mode_flag; |
| WORD32 i4_frm_svc_base_mode_cabac_stride; |
| WORD32 i4_frm_svc_base_mode_cabac_size; |
| UWORD32 u4_pps_id_for_layer; |
| UWORD8 u1_error_in_cur_frame; |
| UWORD8 u1_res_init_done; |
| WORD32 pic_width; |
| WORD32 pic_height; |
| } svc_dec_lyr_struct_t; |
| |
| typedef struct |
| { |
| /* common parameters for all layers in SVC */ |
| UWORD32 u4_num_cores; |
| IVD_ARCH_T e_processor_arch; |
| IVD_SOC_T e_processor_soc; |
| UWORD8 u1_target_layer_id; |
| UWORD8 u1_cur_layer_id; |
| |
| /* dcode context for all layers in SVC */ |
| svc_dec_lyr_struct_t *ps_svc_dec_lyr; |
| |
| dec_pic_params_t *ps_pps; |
| dec_seq_params_t *ps_sps; |
| dec_svc_seq_params_t *ps_subset_sps; |
| struct _sei *ps_sei; |
| struct _sei *ps_sei_parse; |
| |
| /* attributes related to set tgt layer api func */ |
| WORD32 u1_tgt_dep_id; |
| WORD32 u1_tgt_quality_id; |
| WORD32 u1_tgt_temp_id; |
| WORD32 u1_tgt_priority_id; |
| |
| ref_lyr_scaled_offset_t as_ref_lyr_offsets[MAX_NUM_RES_LYRS]; |
| |
| void *pv_ref_lyr_offset; |
| void *pv_mode_mv_sample_ctxt; |
| void *pv_ii_pred_ctxt; |
| void *pv_residual_sample_ctxt; |
| void *pv_intra_sample_ctxt; |
| |
| void *pv_nal_parse_ctxt; |
| non_vcl_nal_t s_non_vcl_nal; /*!< NON VCL nal structure */ |
| vcl_nal_t s_vcl_nal; /*!< VCL nal structure */ |
| |
| /*!< array to store the Did of bottom most layer in each resolution */ |
| WORD32 ai4_dq_id_map[MAX_NUM_RES_LYRS]; |
| WORD32 i4_error_code; |
| void *pv_vcl_nal_buff; |
| void *pv_non_vcl_nal_buff; |
| |
| /*!< array of structure to store the reference layer DQID, |
| poc syntax and frame num, for each depedency id |
| present in an access unit this will be used as reference |
| for the next access unit */ |
| prev_au_prms_t as_au_prms_dep[MAX_DEPENDENCY_LYRS]; |
| /*!< array to store the pps id for each layer in a resolution */ |
| prev_au_sps_pps_t as_pps_sps_prev_au[MAX_TOTAL_LYRS]; |
| |
| WORD32 i4_eos_flag; |
| UWORD8 u1_prev_num_res_layers; |
| UWORD32 u4_num_sps_ctr; |
| UWORD32 u4_num_pps_ctr; |
| UWORD8 u1_parse_nal_unit_error; |
| UWORD8 u1_exit_till_next_IDR; |
| UWORD8 u1_pre_parse_in_flush; |
| WORD32 pic_width; |
| WORD32 pic_height; |
| } svc_dec_ctxt_t; |
| |
| #endif /*_ISVCD_STRUCTS_H_*/ |
