---
title: INPUT
description: "- images:"
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/API/aolapi/operatorlist_00128.html
sourcePath: /source/zh/canncommercial/900/API/aolapi/operatorlist_00128.html
indexId: c632bc5fb61d4bbb8b92bf0f6a983d0565a5f2e54f3c103050d3fb5b422d2c1e64
---
# INPUT

#### 输入

- images:

  - 是否必填: 必填
  - 数据类型: uint8
  - 参数解释: 输入的Tensor
  - 规格限制: 无


- params:

  - 是否必填: 非必填
  - 数据类型: uint8
  - 参数解释: 动态aipp结构体数据流，kAippDynamicPara + (batchNum - 1) * kAippDynamicBatchPara

```
/**
* @ingroup dnn
* @brief struct define of dynamic aipp batch parameter.
*/
typedef struct tagAippDynamicBatchPara
{
int8_t cropSwitch;              //crop switch
int8_t scfSwitch;               //resize switch
int8_t paddingSwitch;           //0: unable padding, 1: padding config value,sfr_filling_hblank_ch0
~
sfr_filling_hblank_ch2
//2: padding source picture data, single row/column copy
//3: padding source picture data, block copy
//4: padding source picture data, mirror copy
int8_t rotateSwitch;            //rotate switch, 0: non-rotate, 1: rotate 90° clockwise, 2: rotate 180° clockwise, 3: rotate 270° clockwise
int8_t reserve[4];
int32_t cropStartPosW;          //the start horizontal position of cropping
int32_t cropStartPosH;          //the start vertical position of cropping
int32_t cropSizeW;              //crop width
int32_t cropSizeH;              //crop height
int32_t scfInputSizeW;          //input width of scf
int32_t scfInputSizeH;          //input height of scf
int32_t scfOutputSizeW;         //output width of scf
int32_t scfOutputSizeH;         //output height of scf
int32_t paddingSizeTop;         //top padding size
int32_t paddingSizeBottom;      //bottom padding size
int32_t paddingSizeLeft;        //left padding size
int32_t paddingSizeRight;       //right padding size
int16_t dtcPixelMeanChn0;       //mean value of channel 0
int16_t dtcPixelMeanChn1;       //mean value of channel 1
int16_t dtcPixelMeanChn2;       //mean value of channel 2
int16_t dtcPixelMeanChn3;       //mean value of channel 3
uint16_t dtcPixelMinChn0;       //min value of channel 0
uint16_t dtcPixelMinChn1;       //min value of channel 1
uint16_t dtcPixelMinChn2;       //min value of channel 2
uint16_t dtcPixelMinChn3;       //min value of channel 3
uint16_t dtcPixelVarReciChn0;   //sfr_dtc_pixel_variance_reci_ch0
uint16_t dtcPixelVarReciChn1;   //sfr_dtc_pixel_variance_reci_ch1
uint16_t dtcPixelVarReciChn2;   //sfr_dtc_pixel_variance_reci_ch2
uint16_t dtcPixelVarReciChn3;   //sfr_dtc_pixel_variance_reci_ch3
int8_t reserve1[16];            //32B assign, for ub copy
}kAippDynamicBatchPara;
/**
* @ingroup dnn
* @brief struct define of dynamic aipp parameter. lite:64+96*batchNum byte ; tiny:64+64*batchNum byte
*/
typedef struct tagAippDynamicPara
{
uint8_t inputFormat;            //input format: YUV420SP_U8/XRGB8888_U8/RGB888_U8
int8_t cscSwitch;               //csc switch
int8_t rbuvSwapSwitch;          //rb/ub swap switch
int8_t axSwapSwitch;            //RGBA->ARGB, YUVA->AYUV swap switch
int8_t batchNum;                //batch parameter number
int8_t reserve1[3];
int32_t srcImageSizeW;          //source image width
int32_t srcImageSizeH;          //source image height
int16_t cscMatrixR0C0;          //csc_matrix_r0_c0
int16_t cscMatrixR0C1;          //csc_matrix_r0_c1
int16_t cscMatrixR0C2;          //csc_matrix_r0_c2
int16_t cscMatrixR1C0;          //csc_matrix_r1_c0
int16_t cscMatrixR1C1;          //csc_matrix_r1_c1
int16_t cscMatrixR1C2;          //csc_matrix_r1_c2
int16_t cscMatrixR2C0;          //csc_matrix_r2_c0
int16_t cscMatrixR2C1;          //csc_matrix_r2_c1
int16_t cscMatrixR2C2;          //csc_matrix_r2_c2
int16_t reserve2[3];
uint8_t cscOutputBiasR0;        //output Bias for RGB to YUV, element of row 0, unsigned number
uint8_t cscOutputBiasR1;        //output Bias for RGB to YUV, element of row 1, unsigned number
uint8_t cscOutputBiasR2;        //output Bias for RGB to YUV, element of row 2, unsigned number
uint8_t cscInputBiasR0;         //input Bias for YUV to RGB, element of row 0, unsigned number
uint8_t cscInputBiasR1;         //input Bias for YUV to RGB, element of row 1, unsigned number
uint8_t cscInputBiasR2;         //input Bias for YUV to RGB, element of row 2, unsigned number
uint8_t reserve3[2];
int8_t reserve4[16];            //32B assign, for ub copy
kAippDynamicBatchPara aippBatchPara;  //allow transfer several batch para.
} kAippDynamicPara;
```


  - 规格限制: 无

#### 属性

- aipp_config_path:

  - 是否必填: 必填
  - 数据类型: -
  - 参数解释: AIPP配置文件路径，默认为 './aipp.cfg'
  - 规格限制: 无


#### 输出

- features:

  - 是否必填: 必填
  - 数据类型: uint8、float16
  - 参数解释: 输出的Tensor
  - 规格限制: 无