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feat(csi): add API to expose internal backup_buffer

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wanlei
2024-04-12 14:30:21 +08:00
parent cf055a625b
commit af86df7f02
6 changed files with 120 additions and 1 deletions
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28
components/esp_driver_cam/interface/esp_cam_ctlr_interface.h
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@@ -105,6 +105,34 @@ struct esp_cam_ctlr_t {
*/
esp_err_t (*register_event_callbacks)(esp_cam_ctlr_t *ctlr, const esp_cam_ctlr_evt_cbs_t *cbs, void *user_ctx);
/**
* @brief Get ESP CAM controller internal malloced backup buffer(s) addr
*
* @param[in] esp_cam_ctlr_t * ESP CAM controller handle
* @param[in] uint32_t Number of frame buffer(s) to get. This value must be the same as the number of the followed fbN parameters
* @param[out] const void ** Address of the frame buffer 0 (first frame buffer)
* @param[out] ... List of other frame buffers if any
*
* @return
* - ESP_OK
* - ESP_ERR_INVALID_ARG: Invalid argument
* - ESP_ERR_INVALID_STATE: Invalid driver state
*/
esp_err_t (*get_internal_buffer)(esp_cam_ctlr_t *, uint32_t, const void **, ...);
/**
* @brief Get ESP CAM controller internal backup buffer length
*
* @param[in] esp_cam_ctlr_t * ESP CAM controller handle
* @param[out] size_t * The size of each frame buffer, in bytes.
*
* @return
* - ESP_OK
* - ESP_ERR_INVALID_ARG: NULL ptr
* - ESP_ERR_INVALID_STATE: Invalid driver state
*/
esp_err_t (*get_buffer_len)(esp_cam_ctlr_t *, size_t *);
void *user_data; ///< User data
};