140 lines
5.7 KiB
C
140 lines
5.7 KiB
C
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/******************************************************************************
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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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/**
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*******************************************************************************
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* @file
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* isvcd_ii_pred.h
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*
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* @brief
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* Contains structures and function definitions required 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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#ifndef _ISVCD_II_PRED_H_
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#define _ISVCD_II_PRED_H_
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typedef struct
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{
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/* Figure shows the projection of current MB onto reference layer
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mapping to a certain case
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MB_WIDTH
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<--------------------------->
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--------------------------- ^
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| TOP_L | TOP_R | |
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| (x,y) | | | MB_HEIGHT
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|---------------------------| |
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| BOT_L | BOT_R | |
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--------------------------- |
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^
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*/
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UWORD8 u1_top_left_intra_flag; /*!< flag to inidicate the TOP_L
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partition is falling in to a INTRA region
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in base layer
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*/
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UWORD8 u1_top_rt_intra_flag; /*!< flag to inidicate the TOP_R
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partition is falling in to a INTRA region
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in base layer
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*/
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UWORD8 u1_bot_rt_intra_flag; /*!< flag to inidicate the BOT_R
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partition is falling in to a INTRA region
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in base layer
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*/
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UWORD8 u1_bot_left_intra_flag; /*!< flag to inidicate the BOT_L
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partition is falling in to a INTRA region
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in base layer
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*/
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UWORD8 u1_intersection_x; /*!< Horizontal point where the projection
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falls into a different MB in reference
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layer
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*/
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UWORD8 u1_intersection_y; /*!< Vertical point where the projection
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falls into a different MB in reference
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layer
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*/
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} intra_inter_mb_t;
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typedef struct
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{
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WORD16 *pi2_ref_loc_x; /*!< buffer pointer which holds
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the projected location on reference
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layer in horizontal direction
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for each pixel in current layer
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*/
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WORD16 *pi2_ref_loc_y; /*!< buffer pointer which holds
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the projected location on reference
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layer in vertical direction
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for each pixel in current layer
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*/
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intra_inter_mb_t s_intra_inter_mb_prms; /*!< array structure
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to hold the intersection points
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and the intra status for the
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all 4 parts around the
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intersection point
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*/
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WORD32 i4_ref_res_lyr_wd; /*!< Width of reference layer */
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WORD32 i4_ref_res_lyr_ht; /*!< Height of reference layer */
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WORD32 i4_cur_res_lyr_wd; /*!< Width of reference layer */
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WORD32 i4_cur_res_lyr_ht; /*!< Height of reference layer */
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} intra_inter_pred_ctxt_t;
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typedef struct
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{
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UWORD8 *pu1_recon_luma;
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UWORD8 *pu1_mc_pred_luma;
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UWORD8 *pu1_intra_pred_luma;
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WORD16 *pi2_res_luma;
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WORD32 i4_recon_luma_stride;
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WORD32 i4_mc_pred_luma_stride;
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WORD32 i4_intra_pred_luma_stride;
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WORD32 i4_res_luma_stride;
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UWORD8 *pu1_recon_chroma;
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UWORD8 *pu1_mc_pred_chroma;
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UWORD8 *pu1_intra_pred_chroma;
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WORD16 *pi2_res_chroma;
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WORD32 i4_recon_chroma_stride;
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WORD32 i4_mc_pred_chroma_stride;
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WORD32 i4_intra_pred_chroma_stride;
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WORD32 i4_res_chroma_stride;
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} intra_inter_mb_buff_t;
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WORD32 isvcd_ii_pred_compute_flags_mb(void *pv_ii_pred_ctxt, mem_element_t *ps_ref_mb_mode,
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mb_coord_t *ps_coord, void *pv_mb_prms, void *pv_svc_mb_prms,
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UWORD8 *pu1_ii_mb_mode);
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WORD32 isvcd_ii_pred_res_init(void *pv_svc_dec);
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#endif /* _ISVCD_II_PRED_H_ */
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