1*437bfbebSnyanmisaka /* SPDX-License-Identifier: Apache-2.0 OR MIT */ 2*437bfbebSnyanmisaka /* 3*437bfbebSnyanmisaka * Copyright (c) 2016 Rockchip Electronics Co., Ltd. 4*437bfbebSnyanmisaka */ 5*437bfbebSnyanmisaka 6*437bfbebSnyanmisaka #ifndef __RC_BASE_H__ 7*437bfbebSnyanmisaka #define __RC_BASE_H__ 8*437bfbebSnyanmisaka 9*437bfbebSnyanmisaka #include "mpp_list.h" 10*437bfbebSnyanmisaka #include "mpp_enc_cfg.h" 11*437bfbebSnyanmisaka #include "mpp_rc.h" 12*437bfbebSnyanmisaka 13*437bfbebSnyanmisaka /* 14*437bfbebSnyanmisaka * mpp rate control contain common caculation methd 15*437bfbebSnyanmisaka */ 16*437bfbebSnyanmisaka 17*437bfbebSnyanmisaka /* 18*437bfbebSnyanmisaka * 1. MppData - data statistic struct 19*437bfbebSnyanmisaka * size - max valid data number 20*437bfbebSnyanmisaka * pos_pw - current data preset write position 21*437bfbebSnyanmisaka * pos_w - current data write position 22*437bfbebSnyanmisaka * pos_r - current data read position 23*437bfbebSnyanmisaka * val - buffer array pointer 24*437bfbebSnyanmisaka * 25*437bfbebSnyanmisaka * When statistic length is less than 8 use direct save mode which will move 26*437bfbebSnyanmisaka * all the data on each update. 27*437bfbebSnyanmisaka * When statistic length is larger than 8 use loop save mode which will 28*437bfbebSnyanmisaka * cyclically reuse the data position. 29*437bfbebSnyanmisaka */ 30*437bfbebSnyanmisaka typedef struct MppDataV2_t { 31*437bfbebSnyanmisaka RK_S32 size; 32*437bfbebSnyanmisaka RK_S32 pos_r; 33*437bfbebSnyanmisaka RK_S32 pos_pw; 34*437bfbebSnyanmisaka RK_S32 pos_w; 35*437bfbebSnyanmisaka RK_S32 pos_ahead; 36*437bfbebSnyanmisaka RK_S64 sum; 37*437bfbebSnyanmisaka RK_S32 val[]; 38*437bfbebSnyanmisaka } MppDataV2; 39*437bfbebSnyanmisaka 40*437bfbebSnyanmisaka #ifdef __cplusplus 41*437bfbebSnyanmisaka extern "C" { 42*437bfbebSnyanmisaka #endif 43*437bfbebSnyanmisaka 44*437bfbebSnyanmisaka MPP_RET mpp_data_init_v2(MppDataV2 **p, RK_S32 len, RK_S32 value); 45*437bfbebSnyanmisaka void mpp_data_deinit_v2(MppDataV2 *p); 46*437bfbebSnyanmisaka void mpp_data_reset_v2(MppDataV2 *p, RK_S32 val); 47*437bfbebSnyanmisaka void mpp_data_preset_v2(MppDataV2 *p, RK_S32 val); 48*437bfbebSnyanmisaka void mpp_data_update_v2(MppDataV2 *p, RK_S32 val); 49*437bfbebSnyanmisaka RK_S32 mpp_data_sum_v2(MppDataV2 *p); 50*437bfbebSnyanmisaka RK_S32 mpp_data_mean_v2(MppDataV2 *p); 51*437bfbebSnyanmisaka RK_S32 mpp_data_get_pre_val_v2(MppDataV2 *p, RK_S32 idx); 52*437bfbebSnyanmisaka RK_S32 mpp_data_sum_with_ratio_v2(MppDataV2 *p, RK_S32 len, RK_S32 num, RK_S32 denom); 53*437bfbebSnyanmisaka 54*437bfbebSnyanmisaka #ifdef __cplusplus 55*437bfbebSnyanmisaka } 56*437bfbebSnyanmisaka #endif 57*437bfbebSnyanmisaka 58*437bfbebSnyanmisaka #endif /* __RC_BASE_H__ */ 59