/******************************************************************************
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*
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* Copyright (C) 2018 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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*
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* @file ihevce_bs_compute_ctb.h
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*
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* @brief
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* This file contains encoder boundary strength related macros and
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* interface prototypes
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*
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* @author
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* ittiam
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*
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******************************************************************************
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*/
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#ifndef _IHEVCE_BS_COMPUTE_CTB_H_
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#define _IHEVCE_BS_COMPUTE_CTB_H_
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/*****************************************************************************/
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/* Constant Macros */
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/*****************************************************************************/
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/**
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******************************************************************************
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* @brief defines the BS for a 32x32 TU in INTRA mode
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******************************************************************************
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*/
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#define BS_INTRA_32 0xAAAA
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/**
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******************************************************************************
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* @brief defines the BS for a 16x16 TU in INTRA mode
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******************************************************************************
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*/
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#define BS_INTRA_16 0xAA
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/**
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******************************************************************************
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* @brief defines the BS for a 8x8 TU in INTRA mode
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******************************************************************************
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*/
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#define BS_INTRA_8 0xA
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/**
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******************************************************************************
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* @brief defines the BS for a 4x4 TU in INTRA mode
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******************************************************************************
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*/
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#define BS_INTRA_4 0x2
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/**
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******************************************************************************
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* @brief defines the invalid BS in global array
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******************************************************************************
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*/
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#define BS_INVALID 0xDEAF
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/**
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******************************************************************************
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* @brief defines the BS for a coded inter 32x32 TU
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******************************************************************************
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*/
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#define BS_CBF_32 0x5555
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/**
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******************************************************************************
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* @brief defines the BS for a coded inter 16x16 TU
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******************************************************************************
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*/
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#define BS_CBF_16 0x55
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/**
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******************************************************************************
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* @brief defines the BS for a coded inter 8x8 TU
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******************************************************************************
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*/
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#define BS_CBF_8 0x5
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/**
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******************************************************************************
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* @brief defines the BS for a coded inter 4x4 TU
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******************************************************************************
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*/
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#define BS_CBF_4 0x01
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/*****************************************************************************/
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/* Function Macros */
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/*****************************************************************************/
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/**
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******************************************************************************
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* @brief Macro to set the value in input pointer with given value starting
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* from ( 32 - (ip_pos<<1) - (edge_size>>1) ). This is for storing in BigEndian
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* with 2 bits per 4x4. edge_size in pixels & ip_pos in terms of 4x4
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* (ip_pos<<1) : since 2bits per ip_pos (which is in 4x4)
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* (edge_size>>1) : since no. of bits of value is (edge_size>>1), edge_size in pix
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******************************************************************************
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*/
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#define SET_VALUE_BIG(pu4_bs, value, ip_pos, edge_size) \
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{ \
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*(pu4_bs) = *(pu4_bs) | (value << (32 - (ip_pos << 1) - (edge_size >> 1))); \
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}
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/**
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******************************************************************************
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* @brief extracts 2 bits starting from (30-2*ip_pos) from the value pointed
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* by pu4_bs. This is for extracting from a BigEndian stored ip.
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******************************************************************************
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*/
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#define EXTRACT_VALUE_BIG(pu4_bs, ip_pos) (((*(pu4_bs)) >> (30 - 2 * ip_pos)) & 0x3)
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/*****************************************************************************/
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/* Extern Function Declarations */
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/*****************************************************************************/
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void ihevce_bs_init_ctb(
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deblk_bs_ctb_ctxt_t *ps_deblk_prms,
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frm_ctb_ctxt_t *ps_frm_ctb_prms,
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WORD32 ctb_ctr,
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WORD32 vert_ctr);
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void ihevce_bs_compute_cu(
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cu_enc_loop_out_t *ps_cu_final,
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nbr_4x4_t *ps_top_nbr_4x4,
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nbr_4x4_t *ps_left_nbr_4x4,
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nbr_4x4_t *ps_curr_nbr_4x4,
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WORD32 nbr_4x4_left_strd,
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WORD32 num_4x4_in_ctb,
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deblk_bs_ctb_ctxt_t *ps_deblk_prms);
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void ihevce_bs_clear_invalid(
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deblk_bs_ctb_ctxt_t *ps_deblk_prms,
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WORD32 last_ctb_row_flag,
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WORD32 last_ctb_in_row_flag,
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WORD32 last_hz_ctb_wd,
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WORD32 last_vt_ctb_ht);
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#endif /* _IHEVCE_BS_COMPUTE_CTB_H_ */
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