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