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/******************************************************************************
*
* 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
* ih264e_statistics.h
*
* @brief
* Contains macros for generating stats about h264 encoder
*
* @author
* ittiam
*
* @remarks
* None
*
*******************************************************************************
*/
#ifndef IH264E_STATISTICS_H_
#define IH264E_STATISTICS_H_
#if CAVLC_LEVEL_STATS
/*****************************************************************************/
/* Extern global declarations */
/*****************************************************************************/
/**
******************************************************************************
* @brief In cavlc encoding, a lut is used for encoding levels. It is not possible
* to use look up for all possible levels. The extent to which look up is generated
* is based on the statistics that were collected in the following global variables.
*
* gu4_cavlc_level_bin_lt_4 represents the number coefficients with abs(level) < 4
* gu4_cavlc_level_bin_lt_16 represents the number coefficients with 4 < abs(level) < 16
* gu4_cavlc_level_bin_lt_32 represents the number coefficients with 16 < abs(level) < 32
* and so on ...
* ******************************************************************************
*/
extern UWORD32 gu4_cavlc_level_bin_lt_4;
extern UWORD32 gu4_cavlc_level_bin_lt_16;
extern UWORD32 gu4_cavlc_level_bin_lt_32;
extern UWORD32 gu4_cavlc_level_bin_lt_64;
extern UWORD32 gu4_cavlc_level_bin_lt_128;
extern UWORD32 gu4_cavlc_level_bin_else_where;
extern UWORD32 gu4_cavlc_level_lut_hit_rate;
/*****************************************************************************/
/* Extern function declarations */
/*****************************************************************************/
/**
******************************************************************************
* @brief print cavlc stats
******************************************************************************
*/
void print_cavlc_level_stats(void);
#define GATHER_CAVLC_STATS1() \
if (u4_abs_level < 4)\
gu4_cavlc_level_bin_lt_4 ++; \
else if (u4_abs_level < 16) \
gu4_cavlc_level_bin_lt_16 ++; \
else if (u4_abs_level < 32) \
gu4_cavlc_level_bin_lt_32 ++; \
else if (u4_abs_level < 64) \
gu4_cavlc_level_bin_lt_64 ++; \
else if (u4_abs_level < 128) \
gu4_cavlc_level_bin_lt_128 ++; \
else \
gu4_cavlc_level_bin_else_where ++;
#define GATHER_CAVLC_STATS2() \
gu4_cavlc_level_lut_hit_rate ++;
#else
#define GATHER_CAVLC_STATS1()
#define GATHER_CAVLC_STATS2()
#endif
#if GATING_STATS
/*****************************************************************************/
/* Extern global declarations */
/*****************************************************************************/
/**
******************************************************************************
* @brief During encoding at fastest preset, some times if the inter threshold
* is lesser than the predefined threshold, intra analysis is not done. The
* below variable keeps track of the number of mb for which intra analysis is not
* done
* ******************************************************************************
*/
extern UWORD32 gu4_mb_gated_cnt;
/*****************************************************************************/
/* Extern function declarations */
/*****************************************************************************/
/**
******************************************************************************
* @brief print gating stats
******************************************************************************
*/
void print_gating_stats(void);
#define GATHER_GATING_STATS() \
gu4_mb_gated_cnt ++;
#else
#define GATHER_GATING_STATS()
#endif
#endif /* IH264E_STATISTICS_H_ */
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