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