| /****************************************************************************** |
| * |
| * Copyright (C) 2015 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 |
| * ih264_deblk_tables.h |
| * |
| * @brief |
| * This file contains declarations of tables used for deblocking |
| * |
| * @author |
| * Ittiam |
| * |
| * @par List of Functions: |
| * |
| * @remarks |
| * None |
| * |
| ******************************************************************************* |
| */ |
| |
| #ifndef IH264_DEBLK_TABLES_H_ |
| #define IH264_DEBLK_TABLES_H_ |
| |
| /*****************************************************************************/ |
| /* Extern global declarations */ |
| /*****************************************************************************/ |
| |
| /** |
| ****************************************************************************** |
| * @brief alpha & beta tables for deblocking |
| * input : indexA [0-51] & indexB [0-51] |
| * output : alpha & beta |
| * |
| * @remarks Table 8-16 in H264 Specification, |
| * Derivation of offset dependent threshold variables |
| * alpha and beta from indexA and indexB |
| ****************************************************************************** |
| */ |
| extern const UWORD8 gu1_ih264_alpha_table[52]; |
| |
| extern const UWORD8 gu1_ih264_beta_table[52]; |
| |
| /** |
| ****************************************************************************** |
| * @brief t'C0 table for deblocking |
| * input : indexA [0-51] and bS [1,3] |
| * output : t'C0 |
| * |
| * @remarks Table 8-17 in H264 Specification, |
| * Value of variable t'C0 as a function of indexA and bS |
| ****************************************************************************** |
| */ |
| extern const UWORD8 gu1_ih264_clip_table[52][4]; |
| |
| #endif /* IH264_DEBLK_TABLES_H_ */ |
