151 lines
3.5 KiB
C
151 lines
3.5 KiB
C
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/**
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* @file cm_camera.h
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* @brief 相机接口
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* @copyright Copyright @2023 China Mobile IOT. All rights reserved.
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* @author By chenxy
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* @date 2023/03/13
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*
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* @defgroup camera
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* @ingroup camera
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* @{
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*/
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#ifndef __CM_CAMERA_H__
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#define __CM_CAMERA_H__
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdint.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/**
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* @brief camera数据输出类型
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*/
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typedef enum
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{
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CAM_OUT_FMT_YUV422_YUYV = 0,
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CAM_OUT_FMT_YUV422_YVYU,
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CAM_OUT_FMT_YUV422_UYVY,
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CAM_OUT_FMT_YUV422_VYUY,
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CAM_OUT_FMT_YUV420_NV12 = 6,
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CAM_OUT_FMT_RAW8 = 10,
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}cm_camera_out_fmt_e;
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/**
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* @brief camera预览接口配置参数
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*/
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typedef struct {
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cm_camera_out_fmt_e recordFormat; /*!< 输出数据类型 */
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void (*enqueueCamRecordBuffer)(void *pBuf, uint32_t len); /*!< 输出数据回调函数 */
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void (*flushCamRecordBuffers)(void); /*!< 输出关闭回调 */
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}cm_camera_preview_cfg_t;
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/**
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* @brief camera拍照接口配置参数
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*/
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typedef struct {
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cm_camera_out_fmt_e recordFormat; /*!< 输出数据类型 */
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uint8_t *file_name; /*!< 输出文件名 */
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}cm_camera_capture_cfg_t;
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/**
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* @brief 获取底层驱动输出大小
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*
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* @param [out] width 宽度
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* @param [out] height 高度
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*
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* @return 0 成功；-1 失败
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*
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* @details 获取底层驱动输出大小
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*/
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int32_t cm_camera_get_info(uint32_t *width, uint32_t *height);
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/**
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* @brief 打开相机
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*
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* @return 0 成功；-1 失败
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*
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* @details 打开相机
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*/
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int32_t cm_camera_open(void);
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/**
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* @brief 关闭相机
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*
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* @return 0 成功；-1 失败
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*
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* @details 关闭相机
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*/
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int32_t cm_camera_close(void);
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/**
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* @brief 开始预览
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*
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* @param [in] cfg 配置参数
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*
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* @return 0 成功；-1 失败
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*
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* @details 开始预览，数据通过cfg中设置的回调函数返回，回调函数中可
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* 调用cm_camera_preview_stop关闭预览，但不可调用cm_camera_close
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*/
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int32_t cm_camera_preview_start(cm_camera_preview_cfg_t *cfg);
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/**
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* @brief 关闭预览
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*
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* @return 0 成功；-1 失败
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*
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* @details 关闭预览
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*/
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int32_t cm_camera_preview_stop(void);
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/**
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* @brief 拍照
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*
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* @param [in] cfg 配置参数
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*
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* @return 0 成功；-1 失败
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*
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* @details 拍照，数据自动保存至指定文件
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*/
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int32_t cm_camera_capture_take(cm_camera_capture_cfg_t *cfg);
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __CM_CAMERA_H__ */
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/** @}*/
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