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/******************************************************************************
*
* Copyright (C) 2018 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 ihevce_decomp_pre_intra_structs.h
*
* \brief
* This file contains strcutures of pre_enc_loop pass
*
* \date
* 18/09/2012
*
* \author
* Ittiam
*
******************************************************************************
*/
#ifndef _IHEVCE_DECOMP_PRE_INTRA_STRUCTS_H_
#define _IHEVCE_DECOMP_PRE_INTRA_STRUCTS_H_
/*****************************************************************************/
/* Constant Macros */
/*****************************************************************************/
/*For decomposition of every row we need some extra rows above n below that row*/
#define NUM_EXTRA_ROWS_REQ 3
/*Macros for pre intra early decisions*/
#define NUM_MODES 35
#define SAD_NOT_VALID 0xFFFFF
#define SET_T_AVAILABLE(x) (x = x | (1 << 8))
#define SET_L_AVAILABLE(x) (x = x | (1 << 7))
#define SET_TL_AVAILABLE(x) (x = x | (1 << 16))
#define SET_TR_AVAILABLE(x) (x = x | (1 << 12))
#define SET_BL_AVAILABLE(x) (x = x | (1 << 3))
#define SET_ALL_AVAILABLE(x) (x = (1 << 8) + (1 << 7) + (1 << 16) + (1 << 12) + (1 << 3))
#define SET_T_UNAVAILABLE(x) (x = x & ~((WORD32)1 << 8))
#define SET_L_UNAVAILABLE(x) (x = x & ~((WORD32)1 << 7))
#define SET_TL_UNAVAILABLE(x) (x = x & ~((WORD32)1 << 16))
#define SET_TR_UNAVAILABLE(x) (x = x & ~((WORD32)1 << 12))
#define SET_BL_UNAVAILABLE(x) (x = x & ~((WORD32)1 << 3))
#define SET_ALL_UNAVAILABLE(x) (x = 0)
#define CHECK_T_AVAILABLE(x) ((x & (1 << 8)) >> 8)
#define CHECK_L_AVAILABLE(x) ((x & (1 << 7)) >> 7)
#define CHECK_TL_AVAILABLE(x) ((x & (1 << 16)) >> 16)
#define CHECK_TR_AVAILABLE(x) ((x & (1 << 12)) >> 12)
#define CHECK_BL_AVAILABLE(x) ((x & (1 << 3)) >> 3)
/* q format for lamba used in the encoder */
#define LAMBDA_Q_SHIFT 8
/*****************************************************************************/
/* Enums */
/*****************************************************************************/
typedef enum
{
DECOMP_PRE_INTRA_CTXT = 0,
DECOMP_PRE_INTRA_THRDS_CTXT,
DECOMP_PRE_INTRA_ED_CTXT,
/* should always be the last entry */
NUM_DECOMP_PRE_INTRA_MEM_RECS
} DECOMP_PRE_INTRA_MEM_TABS_T;
/*****************************************************************************/
/* Structure */
/*****************************************************************************/
/**
******************************************************************************
* @brief Context for early intra or inter decision
******************************************************************************
*/
typedef struct
{
/** lambda for cost calculation */
WORD32 lambda;
/*Pointer to 4x4 blocks of entire frame */
ihevce_ed_blk_t *ps_ed_pic;
/*Pointer to present 4x4 block */
ihevce_ed_blk_t *ps_ed;
/*Pointer to ctb level data of entire frame */
ihevce_ed_ctb_l1_t *ps_ed_ctb_l1_pic;
/*Pointer to ctb level data of current ctb */
ihevce_ed_ctb_l1_t *ps_ed_ctb_l1;
/*Sum of best SATDs at L1*/
LWORD64 i8_sum_best_satd;
/*Sum of best SATDs at L1*/
LWORD64 i8_sum_sq_best_satd;
/** Encoder quality preset : See IHEVCE_QUALITY_CONFIG_T for presets */
WORD32 i4_quality_preset;
/*following are the changes for reducing the stack memory used by this module. Local variables are copied to context memory */
/** Neighbour flags. Used as local variable in pre_intra_process_row function. Shouldnt be used by other functions */
WORD32 ai4_nbr_flags[64];
/** reference data for four 4x4 blocks. This is used as local variable in ed_calc_8x8_blk */
UWORD8 au1_ref_full_ctb[4][18];
/** reference data for 8x8 block. This is used as local variable in ed_calc_8x8_blk */
UWORD8 au1_ref_8x8[1][33];
/** mode bits costs array. This is used as local variable in ed_calc_8x8_blk */
UWORD16 au2_mode_bits_cost_full_ctb[4][NUM_MODES];
/** Pointer to structure containing function pointers of common*/
func_selector_t *ps_func_selector;
} ihevce_ed_ctxt_t; //early decision
typedef struct
{
/** Actual Width of this layer */
WORD32 i4_actual_wd;
/** Actual height of this layer */
WORD32 i4_actual_ht;
/** Padded width of this layer */
WORD32 i4_padded_wd;
/** Padded height of this layer */
WORD32 i4_padded_ht;
/** input pointer. */
UWORD8 *pu1_inp;
/** stride of input buffer */
WORD32 i4_inp_stride;
/** Decomposition block height size */
WORD32 i4_decomp_blk_ht;
/** Decomposition block width size */
WORD32 i4_decomp_blk_wd;
/** Number of blocks in a row */
WORD32 i4_num_col_blks;
/** Number of rows in a layer */
WORD32 i4_num_row_blks;
WORD32 ai4_curr_row_no[MAX_NUM_CTB_ROWS_FRM];
WORD32 i4_num_rows_processed;
} decomp_layer_ctxt_t;
typedef struct
{
/* Number of layers */
WORD32 i4_num_layers;
/** Handles for all layers. Entry 0 refers to L0 , 3 refers to L3 */
decomp_layer_ctxt_t as_layers[MAX_NUM_HME_LAYERS];
/** Array for working memory of the thread */
UWORD8 au1_wkg_mem[((MAX_CTB_SIZE >> 1) * (MAX_CTB_SIZE + 2 * NUM_EXTRA_ROWS_REQ))];
/** Encoder quality preset : See IHEVCE_QUALITY_CONFIG_T for presets */
WORD32 i4_quality_preset;
/** ed_ctxt pointer. This memory is re-used across layers now */
ihevce_ed_ctxt_t *ps_ed_ctxt;
ihevce_ed_blk_t *ps_layer1_buf;
ihevce_ed_blk_t *ps_layer2_buf;
ihevce_ed_ctb_l1_t *ps_ed_ctb_l1;
WORD32 ai4_lambda[MAX_NUM_HME_LAYERS];
/* pointer to the structure ps_ctb_analyse in pre_enc_me_ctxt_t */
ctb_analyse_t *ps_ctb_analyse;
WORD32 i4_enable_noise_detection;
ihevce_ipe_optimised_function_list_t s_ipe_optimised_function_list;
ihevce_cmn_opt_func_t s_cmn_opt_func;
} ihevce_decomp_pre_intra_ctxt_t;
/**
******************************************************************************
* @brief Encode loop master context structure
******************************************************************************
*/
typedef struct
{
/** Array of encode loop structure */
ihevce_decomp_pre_intra_ctxt_t *aps_decomp_pre_intra_thrd_ctxt[MAX_NUM_FRM_PROC_THRDS_PRE_ENC];
/** Number of processing threads created run time */
WORD32 i4_num_proc_thrds;
} ihevce_decomp_pre_intra_master_ctxt_t;
/*****************************************************************************/
/* Extern Variable Declarations */
/*****************************************************************************/
/*****************************************************************************/
/* Extern Function Declarations */
/*****************************************************************************/
#endif /* _IHEVCE_DECOMP_PRE_INTRA_STRUCTS_H_ */
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