djicam.h

/* 
 *Copyright (C) 2015, DJI Innovations, Inc. All rights reserved.
 *
 */
 

#ifndef __DJICAM_H
#define __DJICAM_H

#define DISPLAY_MODE            (1 << 0)
#define GETBUFFER_MODE          (1 << 1)
#define TRANSFER_MODE           (1 << 2)

#define CAM_BLOCK                1
#define CAM_NON_BLOCK            0

/**
 * @brief used for initialization 
 * @param mode  set mode as DISPLAY_MODE, GETBUFFER_MODE, TRANSFER_MODE
 * @return 0 on sucess, -1 on error
 */
int manifold_cam_init(int mode);

/**
 * @brief get the datas of a frame decoded
 * @param buffer  store datas of a frame, format NV12
 * @param nframe  count the number of frames get
 * @param block   CAM_BLOCK will wait until data available, CAM_NON_BLOCK will always return immediately
 * @return CAM_BLOCK mode: >0 on frame size, <0 on break or error
 *         CAM_NON_BLOCK mode: >0 on frame size, 0 on no new frame, <0 on break or error
 */
int manifold_cam_read(unsigned char *buffer, unsigned int *nframe, unsigned int block);

/**
 * @brief  to check if exit ok
 * @return 1 on sucess, 0 if not ok
 */
int manifold_cam_exit();

#endif