/****************************************************************************** * * Copyright (C) 2018 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 rc_common.h * * \brief * This file contains common macro used by rate control module * * \date * * \author * ittiam * ****************************************************************************** */ #ifndef _RC_COMMON_H_ #define _RC_COMMON_H_ /*****************************************************************************/ /* Constant Macros */ /*****************************************************************************/ /**************************************************************************** NOTE : Put only those things into this file which are common across many files, say I_TO_P_BIT_RATIO macro is used across bit_allocation.c and rate_control_api.c.If anything is exclusive only to one file, define it in the same file This file is an RC private file. It should not be exported to Codec ****************************************************************************/ /* Defines the maximum and the minimum quantizer allowed in the stream.*/ #define MAX_MPEG2_QP (4095) /*255*/ /* 127*/ #define ERR_2PASS_DISTR_GOP 5 #define ENABLE_SSD_CALC_RC 0 #ifdef ARM9 /* Mem tab alignment to 4 bytes */ #define MEM_TAB_ALIGNMENT 32 /*ALIGN_WORD32*/ #else /* ARM968 */ /* Mem tab alignment to 128 bytes */ #define MEM_TAB_ALIGNMENT ALIGN_128_BYTE #endif /* ARM968 */ #define COMP_TO_BITS_MAP(X, factor) \ ((-1.7561f * (X * X * X * X) + (2.5547f * X * X * X) - 0.3408f * (X * X) + (0.5343f * X) - \ 0.003f) * \ factor) #define COMP_TO_BITS_MAP_2_PASS(X, factor) \ ((-1.7561f * (X * X * X * X) + (2.5547f * X * X * X) - 0.3408f * (X * X) + (0.5343f * X) - \ 0.003f) * \ factor) /* Calculates P = (X*Y/Z) (Assuming all the four are in integers)*/ #define X_PROD_Y_DIV_Z(X1, Y1, Z1, P1) \ { \ number_t vq_a, vq_b, vq_c; \ SET_VAR_Q(vq_a, (X1), 0); \ SET_VAR_Q(vq_b, (Y1), 0); \ SET_VAR_Q(vq_c, (Z1), 0); \ mult32_var_q(vq_a, vq_b, &vq_a); \ div32_var_q(vq_a, vq_c, &vq_a); \ number_t_to_word32(vq_a, &(P1)); \ } /* Maximum number of drain-rates supported. Currently a maximum of only 2 drain-rates supported. One for I pictures and the other for P & B pictures */ #define MAX_NUM_DRAIN_RATES 2 /* The ratios between I to P and P to B Qp is specified here */ #define K_Q 4 #define I_TO_P_RATIO (18) /*(16)*/ /* In K_Q Q factor */ #define P_TO_B_RATIO (18) /* In K_Q Q factor */ #define B_TO_B1_RATIO (18) #define B1_TO_B2_RATIO (18) #define P_TO_I_RATIO (14) #define I_TO_B_RATIO ((P_TO_B_RATIO * I_TO_P_RATIO) >> K_Q) #define I_TO_B1_RATIO ((B_TO_B1_RATIO * P_TO_B_RATIO * I_TO_P_RATIO) >> (K_Q + K_Q)) #define I_TO_B2_RATIO \ ((B1_TO_B2_RATIO * B_TO_B1_RATIO * P_TO_B_RATIO * I_TO_P_RATIO) >> (K_Q + K_Q + K_Q)) #define P_TO_B_RATIO_HBR (16) #define I_TO_P_RATIO_LOW_MOTION (20) #define I_TO_P_RATIO_VLOW_MOTION (23) #define I_TO_P_RATIO_VVLOW_MOTION (26) /* #define I_TO_P_RATIO (16) In K_Q Q factor */ /* #define P_TO_B_RATIO (16) In K_Q Q factor */ /*Ratio of I frame bit consumptin vs average bit consumption for rest of the GOP * This is based on experimaental runs over different seqience(same resolution scaled)*/ #define I_TO_AVG_REST_GOP_BIT (8) #define MINIMUM_VISIBILITY_B4_STATIC_I \ (18) //assumes this minimum lap window for bit allocation of static frame #define MINIMUM_FRM_I_TO_REST_LAP_ENABLED (8) #define I_TO_AVG_REST_GOP_BIT_MIN (1) #define I_TO_AVG_REST_GOP_BIT_MAX (20) #define I_TO_AVG_REST_GOP_BIT_MAX_INFINITE (80) #define I_TO_AVG_REST_GOP_BIT_MAX_2_PASS (40) #define I_TO_AVG_REST_GOP_BIT_MIN_2_PASS (0.5f) #define UPPER_THRESHOLD_EBF_Q4 (15) #define STATIC_I_TO_REST_MULTIPLIER (6) /*also present in encoder herader file with same name*/ #define MAX_LAP_COMPLEXITY_Q7 (90) #define DEFAULT_TEX_PERCENTAGE_Q5 24 #ifdef DISABLE_NON_STEADY_STATE_CODE #define NON_STEADSTATE_CODE (0) #else #define NON_STEADSTATE_CODE (1) #endif /*HEVC_hierarchy*/ #define I_TO_P_BIT_RATIO (6) #define P_TO_B_BIT_RATIO (2) #define B_TO_B1_BIT_RATO0 (2) #define B1_TO_B2_BIT_RATIO (2) /*define static I_TO_P ratio for all pic types*/ /* Trying to detect a static content and fixing the quality for that content. The trigger for such a content is if the ratio between the estimated I frame to that of P is more than 18 times. If such a simple content is detected then the bit ditribution is fixed to a ration of 36:2:1 (I:P:B) */ #define STATIC_I_TO_B2_RATIO (100) //(24) #define STATIC_P_TO_B2_RATIO (2) #define STATIC_B_TO_B2_RATIO (1) #define STATIC_B1_TO_B2_RATIO (1) /*Fsim limits*/ #define RC_FSIM_LOW_THR_SCD 64 #define RC_FSIM_HIGH_THR_STATIC 115 #endif /* _RC_COMMON_H_ */