/*
|
* Copyright 2016 Rockchip Electronics Co. LTD
|
*
|
* 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.
|
*/
|
|
#ifndef __RC_BASE_H__
|
#define __RC_BASE_H__
|
|
#include "mpp_list.h"
|
#include "mpp_enc_cfg.h"
|
#include "mpp_rc.h"
|
|
/*
|
* mpp rate control contain common caculation methd
|
*/
|
|
/*
|
* 1. MppData - data statistic struct
|
* size - max valid data number
|
* pos_pw - current data preset write position
|
* pos_w - current data write position
|
* pos_r - current data read position
|
* val - buffer array pointer
|
*
|
* When statistic length is less than 8 use direct save mode which will move
|
* all the data on each update.
|
* When statistic length is larger than 8 use loop save mode which will
|
* cyclically reuse the data position.
|
*/
|
typedef struct MppDataV2_t {
|
RK_S32 size;
|
RK_S32 pos_r;
|
RK_S32 pos_pw;
|
RK_S32 pos_w;
|
RK_S32 pos_ahead;
|
RK_S64 sum;
|
RK_S32 val[];
|
} MppDataV2;
|
|
#ifdef __cplusplus
|
extern "C" {
|
#endif
|
|
MPP_RET mpp_data_init_v2(MppDataV2 **p, RK_S32 len, RK_S32 value);
|
void mpp_data_deinit_v2(MppDataV2 *p);
|
void mpp_data_reset_v2(MppDataV2 *p, RK_S32 val);
|
void mpp_data_preset_v2(MppDataV2 *p, RK_S32 val);
|
void mpp_data_update_v2(MppDataV2 *p, RK_S32 val);
|
RK_S32 mpp_data_sum_v2(MppDataV2 *p);
|
RK_S32 mpp_data_mean_v2(MppDataV2 *p);
|
RK_S32 mpp_data_get_pre_val_v2(MppDataV2 *p, RK_S32 idx);
|
RK_S32 mpp_data_sum_with_ratio_v2(MppDataV2 *p, RK_S32 len, RK_S32 num, RK_S32 denorm);
|
|
#ifdef __cplusplus
|
}
|
#endif
|
|
#endif /* __RC_BASE_H__ */
|
