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142 lines
4.8 KiB
142 lines
4.8 KiB
4 months ago
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/******************************************************************************
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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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* ih264e_statistics.h
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*
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* @brief
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* Contains macros for generating stats about h264 encoder
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*
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* @author
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* ittiam
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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 IH264E_STATISTICS_H_
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#define IH264E_STATISTICS_H_
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#if CAVLC_LEVEL_STATS
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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 In cavlc encoding, a lut is used for encoding levels. It is not possible
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* to use look up for all possible levels. The extent to which look up is generated
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* is based on the statistics that were collected in the following global variables.
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*
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* gu4_cavlc_level_bin_lt_4 represents the number coefficients with abs(level) < 4
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* gu4_cavlc_level_bin_lt_16 represents the number coefficients with 4 < abs(level) < 16
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* gu4_cavlc_level_bin_lt_32 represents the number coefficients with 16 < abs(level) < 32
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* and so on ...
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* ******************************************************************************
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*/
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extern UWORD32 gu4_cavlc_level_bin_lt_4;
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extern UWORD32 gu4_cavlc_level_bin_lt_16;
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extern UWORD32 gu4_cavlc_level_bin_lt_32;
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extern UWORD32 gu4_cavlc_level_bin_lt_64;
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extern UWORD32 gu4_cavlc_level_bin_lt_128;
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extern UWORD32 gu4_cavlc_level_bin_else_where;
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extern UWORD32 gu4_cavlc_level_lut_hit_rate;
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/*****************************************************************************/
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/* Extern function declarations */
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/*****************************************************************************/
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/**
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******************************************************************************
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* @brief print cavlc stats
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******************************************************************************
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*/
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void print_cavlc_level_stats(void);
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#define GATHER_CAVLC_STATS1() \
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if (u4_abs_level < 4)\
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gu4_cavlc_level_bin_lt_4 ++; \
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else if (u4_abs_level < 16) \
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gu4_cavlc_level_bin_lt_16 ++; \
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else if (u4_abs_level < 32) \
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gu4_cavlc_level_bin_lt_32 ++; \
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else if (u4_abs_level < 64) \
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gu4_cavlc_level_bin_lt_64 ++; \
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else if (u4_abs_level < 128) \
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gu4_cavlc_level_bin_lt_128 ++; \
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else \
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gu4_cavlc_level_bin_else_where ++;
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#define GATHER_CAVLC_STATS2() \
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gu4_cavlc_level_lut_hit_rate ++;
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#else
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#define GATHER_CAVLC_STATS1()
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#define GATHER_CAVLC_STATS2()
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#endif
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#if GATING_STATS
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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 During encoding at fastest preset, some times if the inter threshold
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* is lesser than the predefined threshold, intra analysis is not done. The
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* below variable keeps track of the number of mb for which intra analysis is not
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* done
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* ******************************************************************************
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*/
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extern UWORD32 gu4_mb_gated_cnt;
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/*****************************************************************************/
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/* Extern function declarations */
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/*****************************************************************************/
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/**
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******************************************************************************
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* @brief print gating stats
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******************************************************************************
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*/
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void print_gating_stats(void);
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#define GATHER_GATING_STATS() \
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gu4_mb_gated_cnt ++;
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#else
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#define GATHER_GATING_STATS()
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#endif
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#endif /* IH264E_STATISTICS_H_ */
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