1 /****************************************************************************** 2 * 3 * Copyright (C) 2018 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ***************************************************************************** 18 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore 19 */ 20 /*! 21 ****************************************************************************** 22 * \file rc_rd_model_struct.h 23 * 24 * \brief 25 * This file contains rate control rd model struct and constant macro 26 * 27 * \date 28 * 29 * \author 30 * ittiam 31 * 32 ****************************************************************************** 33 */ 34 #ifndef RC_RD_MODEL_STRUCT 35 #define RC_RD_MODEL_STRUCT 36 37 /*****************************************************************************/ 38 /* Constant Macros */ 39 /*****************************************************************************/ 40 /* Tool Set Switch */ 41 #define ENABLE_QUAD_MODEL 1 42 43 /* Number of elements for QP */ 44 /* #define MPEG2_QP_ELEM (MAX_MPEG2_QP + 1) */ 45 46 /*#define MAX_NUM_PIC_TYPES_FOR_RC_MODEL 3*/ /* how many types of pictures will the rate-control handle */ 47 48 #define QUAD 1 49 #define MIN_FRAMES_FOR_QUAD_MODEL 5 50 #define MAX_ACTIVE_FRAMES 16 51 #define MIN_FRAMES_FOR_LIN_MODEL 3 52 #define INVALID_FRAME_INDEX 255 53 54 #define UP_THR_SM 1 /* (1 /pow(2,4) = 0.0625 */ 55 #define UP_THR_E 4 56 57 #define LO_THR_SM 368 /* (368.64 / pow(2,14)) = 0.0225 */ 58 #define LO_THR_E 14 59 60 #define QUAD_DEV_THR_SM 1 /* (1 / pow(1,2)) = .25*/ 61 #define QUAD_DEV_THR_E 2 62 63 #define LIN_DEV_THR_SM 1 /* (1 / pow(1,2)) = .25*/ 64 #define LIN_DEV_THR_E 2 65 66 #define QUAD_MODEL 0 67 #define LIN_MODEL 1 68 #define PREV_FRAME_MODEL 2 69 70 /* Q Factors used for fixed point calculation */ 71 #define Q_FORMAT_GAMMA 8 72 #define Q_FORMAT_ETA 8 73 74 /*****************************************************************************/ 75 /* Structure */ 76 /*****************************************************************************/ 77 typedef struct rc_rd_model_t 78 { 79 UWORD8 u1_curr_frm_counter; 80 UWORD8 u1_num_frms_in_model; 81 UWORD8 u1_max_frms_to_model; 82 UWORD8 u1_model_used; 83 84 UWORD32 pi4_res_bits[MAX_FRAMES_MODELLED]; 85 LWORD64 pi8_sad[MAX_FRAMES_MODELLED]; 86 87 UWORD8 pu1_num_skips[MAX_FRAMES_MODELLED]; 88 /* UWORD8 pu1_avg_qp[MAX_FRAMES_MODELLED]; */ 89 WORD32 ai4_avg_qp[MAX_FRAMES_MODELLED]; 90 WORD32 ai4_avg_qp_q6[MAX_FRAMES_MODELLED]; 91 /* UWORD8 au1_num_frames[MPEG2_QP_ELEM]; */ 92 93 model_coeff model_coeff_a_quad; 94 model_coeff model_coeff_b_quad; 95 model_coeff model_coeff_c_quad; 96 97 model_coeff model_coeff_a_lin; 98 model_coeff model_coeff_b_lin; 99 model_coeff model_coeff_c_lin; 100 101 model_coeff model_coeff_a_lin_wo_int; 102 model_coeff model_coeff_b_lin_wo_int; 103 model_coeff model_coeff_c_lin_wo_int; 104 } rc_rd_model_t; 105 106 #endif /* RC_RD_MODEL_STRUCT*/ 107