| /****************************************************************************** |
| * |
| * 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_ */ |