/******************************************************************************
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*
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* Copyright (C) 2018 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 rc_rd_model_struct.h
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*
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* \brief
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* This file contains rate control rd model struct and constant macro
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*
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* \date
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*
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* \author
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* ittiam
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*
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******************************************************************************
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*/
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#ifndef RC_RD_MODEL_STRUCT
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#define RC_RD_MODEL_STRUCT
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/*****************************************************************************/
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/* Constant Macros */
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/*****************************************************************************/
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/* Tool Set Switch */
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#define ENABLE_QUAD_MODEL 1
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/* Number of elements for QP */
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/* #define MPEG2_QP_ELEM (MAX_MPEG2_QP + 1) */
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/*#define MAX_NUM_PIC_TYPES_FOR_RC_MODEL 3*/ /* how many types of pictures will the rate-control handle */
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#define QUAD 1
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#define MIN_FRAMES_FOR_QUAD_MODEL 5
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#define MAX_ACTIVE_FRAMES 16
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#define MIN_FRAMES_FOR_LIN_MODEL 3
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#define INVALID_FRAME_INDEX 255
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#define UP_THR_SM 1 /* (1 /pow(2,4) = 0.0625 */
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#define UP_THR_E 4
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#define LO_THR_SM 368 /* (368.64 / pow(2,14)) = 0.0225 */
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#define LO_THR_E 14
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#define QUAD_DEV_THR_SM 1 /* (1 / pow(1,2)) = .25*/
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#define QUAD_DEV_THR_E 2
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#define LIN_DEV_THR_SM 1 /* (1 / pow(1,2)) = .25*/
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#define LIN_DEV_THR_E 2
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#define QUAD_MODEL 0
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#define LIN_MODEL 1
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#define PREV_FRAME_MODEL 2
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/* Q Factors used for fixed point calculation */
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#define Q_FORMAT_GAMMA 8
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#define Q_FORMAT_ETA 8
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/*****************************************************************************/
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/* Structure */
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/*****************************************************************************/
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typedef struct rc_rd_model_t
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{
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UWORD8 u1_curr_frm_counter;
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UWORD8 u1_num_frms_in_model;
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UWORD8 u1_max_frms_to_model;
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UWORD8 u1_model_used;
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UWORD32 pi4_res_bits[MAX_FRAMES_MODELLED];
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LWORD64 pi8_sad[MAX_FRAMES_MODELLED];
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UWORD8 pu1_num_skips[MAX_FRAMES_MODELLED];
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/* UWORD8 pu1_avg_qp[MAX_FRAMES_MODELLED]; */
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WORD32 ai4_avg_qp[MAX_FRAMES_MODELLED];
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WORD32 ai4_avg_qp_q6[MAX_FRAMES_MODELLED];
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/* UWORD8 au1_num_frames[MPEG2_QP_ELEM]; */
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model_coeff model_coeff_a_quad;
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model_coeff model_coeff_b_quad;
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model_coeff model_coeff_c_quad;
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model_coeff model_coeff_a_lin;
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model_coeff model_coeff_b_lin;
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model_coeff model_coeff_c_lin;
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model_coeff model_coeff_a_lin_wo_int;
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model_coeff model_coeff_b_lin_wo_int;
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model_coeff model_coeff_c_lin_wo_int;
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} rc_rd_model_t;
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#endif /* RC_RD_MODEL_STRUCT*/
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