58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/* SPDX-License-Identifier: Apache-2.0 OR MIT */
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/*
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* Copyright (c) 2016 Rockchip Electronics Co., Ltd.
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*/
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#ifndef RC_BASE_H
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#define RC_BASE_H
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#include "mpp_list.h"
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#include "mpp_enc_cfg.h"
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#include "mpp_rc.h"
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/*
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* mpp rate control contain common caculation methd
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*/
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/*
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* 1. MppData - data statistic struct
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* size - max valid data number
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* pos_pw - current data preset write position
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* pos_w - current data write position
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* pos_r - current data read position
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* val - buffer array pointer
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*
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* When statistic length is less than 8 use direct save mode which will move
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* all the data on each update.
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* When statistic length is larger than 8 use loop save mode which will
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* cyclically reuse the data position.
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*/
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typedef struct MppDataV2_t {
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RK_S32 size;
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RK_S32 pos_r;
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RK_S32 pos_pw;
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RK_S32 pos_w;
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RK_S32 pos_ahead;
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RK_S64 sum;
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RK_S32 val[0];
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} MppDataV2;
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#ifdef __cplusplus
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extern "C" {
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#endif
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MPP_RET mpp_data_init_v2(MppDataV2 **p, RK_S32 len, RK_S32 value);
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void mpp_data_deinit_v2(MppDataV2 *p);
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void mpp_data_reset_v2(MppDataV2 *p, RK_S32 val);
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void mpp_data_preset_v2(MppDataV2 *p, RK_S32 val);
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void mpp_data_update_v2(MppDataV2 *p, RK_S32 val);
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RK_S32 mpp_data_sum_v2(MppDataV2 *p);
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RK_S32 mpp_data_mean_v2(MppDataV2 *p);
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RK_S32 mpp_data_get_pre_val_v2(MppDataV2 *p, RK_S32 idx);
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RK_S32 mpp_data_sum_with_ratio_v2(MppDataV2 *p, RK_S32 len, RK_S32 num, RK_S32 denom);
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#ifdef __cplusplus
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}
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#endif
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#endif /* RC_BASE_H */
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