171 lines
6.9 KiB
C
171 lines
6.9 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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#ifndef _ISVCD_MODE_MV_RESAMPLE_H_
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#define _ISVCD_MODE_MV_RESAMPLE_H_
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/**
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*******************************************************************************
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* @file
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* isvcd_mode_mv_resamp.h
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*
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* @brief
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* Contains routines that resample for SVC resampling
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*
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* @author
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* Kishore
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*
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* @remarks
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* None
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*
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*******************************************************************************
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*/
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#include "ih264_typedefs.h"
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#include "ih264_macros.h"
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#include "ih264_platform_macros.h"
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#include "isvcd_structs.h"
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#define MAX_NEIGHBORS 3 /*!< left top and top right neighbours */
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#define LEFT \
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0 /*!<Index for accessing the left MB in the \
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MV predictor array */
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#define TOP \
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1 /*!< Index for accessing the top MB in the \
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MV predictor array */
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#define TOP_R \
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2 /*!< Index for accessing the top right MB \
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in the MV predictor array */
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#define MB_SKIP 255
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typedef void ftype_comp_mode_mv_mb(void *pv_comp_mode_mv_hdl, void *pv_mb_params,
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void *pv_curr_mb_motion_mem_elements,
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void *pv_top_mb_motion_mem_elements, WORD32 i4_lyr_id);
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typedef void(ftype_pred_direct)(void *pv_comp_mode_mv_ctxt, void *pv_top_mb_motion_l0,
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void *pv_top_mb_motion_l1, void *pv_curr_part_motion_pred_l0,
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void *pv_curr_part_motion_pred_l1,
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void *pv_curr_part_motion_params_l0,
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void *pv_curr_part_motion_params_l1,
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WORD32 i4_curr_mb_motion_stride, WORD32 i4_availability,
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WORD32 i4_part_width, WORD32 i4_num_mb_parts,
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UWORD16 u2_col_zero_flag);
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typedef WORD32 ftype_inter_lyr_motion_pred(void *pv_comp_mode_mv_ctxt, void *pv_mb_params,
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void *pv_svc_mb_params, void *ps_dec,
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void *ps_mb_part_info, void *pv_part);
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WORD32 isvcd_interlyr_motion_mode_pred_dyadic(void *pv_comp_mode_mv_ctxt, void *pv_mb_params,
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void *pv_svc_mb_params, void *ps_dec,
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void *ps_mb_part_info, void *pv_part);
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WORD32 isvcd_compute_interlyr_motion_mode(void *pv_comp_mode_mv_ctxt, void *pv_mb_params,
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void *pv_svc_mb_params, void *ps_dec,
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void *ps_mb_part_info, void *pv_part);
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WORD32 isvcd_comp_mode_mv_res_init(void *pv_svc_dec);
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typedef struct
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{
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res_prms_t *ps_curr_lyr_res_prms; /*!< pointer to current layer
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resolution parameters */
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WORD32 i4_offset_x; /*!< scaled ref layer left offset. will
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be used during mv calculation for crop window change case */
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WORD32 i4_offset_y; /*!< scaled ref layer top offset. will
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be used during mv calculation for crop window change case */
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WORD32 i4_scale_mv_x; /*!< scale factor x for motion upscaling*/
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WORD32 i4_scale_mv_y; /*!< scale factor y for motion upscaling*/
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WORD32 i4_dyadic_flag; /*!< flag inidcates the
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dyadic upscaling or non - dyadic upscaling */
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/* projected location pointers */
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WORD16 *pi2_ref_loc_x; /*!< pointer to the bufer having the
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projected locations on horizontal direction.This used as look up
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during calculation of reference locations */
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WORD16 *pi2_ref_loc_y; /*!< pointer to the bufer having the
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projected locations on vertical direction.This used as look up
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during calculation of reference locations */
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ref_lyr_scaled_offset_t *ps_ref_pic_lyr_offsets; /*!<
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array of structure pointer for MAX_NUM_RES - 1 to hold the scaled ref
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offset of reference picture for each resolution */
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WORD32 i4_ref_width; /*!< reference layer width in
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terms of luma samples */
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WORD32 i4_ref_height; /*!< reference layer height in
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terms of luma samples */
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ftype_inter_lyr_motion_pred *pf_inter_lyr_pred; /*!< function pointer
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for dyadic optimization*/
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void *pv_ref_mv_bank_l0; /*!< pointer to reference layer MV bank List 0*/
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mem_element_t s_ref_mb_mode; /*!< pointer to reference layer mb mode */
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} mode_motion_lyr_ctxt;
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typedef struct
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{
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mv_pred_t *ps_motion_pred_struct; /*!< temporary motion structure
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array for 16 sub partitions used in both inter layer and spatial
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MV prediction */
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UWORD8 u1_direct_8x8_inference_flag;
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/*!< flag to indicate
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the corner mv have to be inherited in B slice */
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WORD32 i4_listx; /*!< number of lists to be procesed. this
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is set on B_SLICE or PSLICE */
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/* array to store the ref layer part idc */
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WORD32 ai4_ref_part_idc[4][4]; /*!< reference layer partition
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identifications stored of all 16 sub partitions */
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/*!< default mv pred used to store
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default motion params for intra cases in motion map */
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mode_motion_lyr_ctxt as_res_lyr_mem[MAX_NUM_RES_LYRS]; /*!< array of
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strcuture each structure for a pair of resolution except the base layer */
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WORD32 i4_res_id; /*!< resolution ID used to access the
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Layer presistant memory */
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WORD32 i4_ref_width; /*!< reference layer width in
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terms luma samples */
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WORD32 i4_ref_height; /*!< reference layer height in
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terms luma samples */
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WORD32 ai4_dqid[MAX_NUM_LYRS_IN_RES]; /*! Array of DQID of all the layers in
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the resolution */
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} mode_motion_ctxt_t;
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#endif /* _ISVCD_MODE_MV_RESAMPLE_H_ */
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