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feat(isp_hist): change coeff and weight of HIST to integer/decimal struct

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gaoxu
2024-08-22 11:19:07 +08:00
parent 8c31479fe5
commit c3155c39d1
7 changed files with 182 additions and 95 deletions
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25
components/esp_driver_isp/include/driver/isp_hist.h
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@@ -15,14 +15,25 @@
extern "C" {
#endif
typedef struct {
isp_window_t window; /*!< The sampling window of histogram, see `isp_window_t`*/
isp_hist_sampling_mode_t hist_mode; /*!< ISP histogram sampling mode */
isp_hist_rgb_coefficient rgb_coefficient; /*!< RGB coefficients, adjust the sensitivity to red, geen, and blue colors in the image,
only effect when hist_mode is ISP_HIST_SAMPLING_RGB, the sum of all coefficients should be 100**/
uint32_t windows_weight[ISP_HIST_BLOCK_X_NUM][ISP_HIST_BLOCK_Y_NUM]; /*!< Weights of histogram's each subwindows, the sum of all subwindows's weight should be 100*/
uint32_t segment_threshold[ISP_HIST_INTERVAL_NUMS]; /*!< Threshold to segment the histogram into intervals, range 0~256 */
/*
* ISP Histogram Struct
* |<----------------------------- INTERVAL_NUMS = 16 ------------------------------>|
* | | | | |
* | Segment 0 | Segment 1 | ............ | Segment 15 |
* 0 threshold 0 threshold 1 ... threshold 14 255
* |<------------------------------------------------------------------------------->|
*/
/**
* @brief Hist controller config
*/
typedef struct {
isp_window_t window; /*!< The sampling window of histogram, see `isp_window_t`*/
isp_hist_sampling_mode_t hist_mode; /*!< ISP histogram sampling mode */
isp_hist_rgb_coefficient_t rgb_coefficient; /*!< RGB coefficients, adjust the sensitivity to red, geen, and blue colors in the image,
only effect when hist_mode is ISP_HIST_SAMPLING_RGB, the sum of all coefficients decimal should be 256**/
isp_hist_weight_t window_weight[ISP_HIST_BLOCK_X_NUM * ISP_HIST_BLOCK_Y_NUM]; /*!< Weights of histogram's each subwindows, the sum of all subwindows's weight decimal should be 256*/
uint32_t segment_threshold[ISP_HIST_INTERVAL_NUMS]; /*!< Threshold to segment the histogram into intervals, range 0~255 */
} esp_isp_hist_config_t;
/**