sdk-ameba-v4.0c_180328/component/common/video/v4l2/inc/v4l2_intf.h

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2019-04-02 08:34:25 +00:00
#ifndef _V4L2_INTF_H_
#define _V4L2_INTF_H_
#define VIDEO_NUM_DEVICES 4//should be aligned with value in v4l2-dev.c
typedef enum _streaming_state streaming_state;
enum _streaming_state {
STREAMING_OFF = 0,
STREAMING_ON = 1,
STREAMING_PAUSED = 2,
STREAMING_READY = 3,
};
long v4l_usr_ioctl(int fd, unsigned int cmd, void *arg);
int v4l_dev_open();
void v4l_dev_release();
void stop_capturing();
int start_capturing();
void uninit_v4l2_device ();
int init_v4l2_device ();
int v4l_set_param(u32 format_type, int *width, int *height, int *frame_rate, int *compression_ratio);
int v4l_getset_usb_ctrl(u8 bRequestType, u8 bRequest, u16 wValue, u16 wIndex, u16 wLength, void *data, int timeout, int set);
extern void spec_v4l2_probe();
#endif