?? v4l.h
字號:
#ifndef _V4L_H_#define _V4L_H_#include <sys/types.h>#include <linux/videodev.h>#define PAL_WIDTH 768#define PAL_HEIGHT 576#define CIF_WIDTH 352#define CIF_HEIGHT 288#define NTSC_WIDTH 640#define NTSC_HEIGHT 480struct _v4l_struct{ int fd; int frame_current; int frame_using[2]; struct video_capability capability; struct video_buffer buffer; struct video_window window; struct video_channel channel[8]; struct video_picture picture; struct video_tuner tuner; struct video_audio audio[8]; struct video_mmap mmap; struct video_mbuf mbuf; unsigned char *map; int overlay;};typedef struct _v4l_struct v4l_device;extern int v4l_open(char *, v4l_device *);extern int v4l_close(v4l_device *);extern int v4l_get_capability(v4l_device *);extern int v4l_set_norm(v4l_device *, int);extern int v4l_get_channels(v4l_device *);extern int v4l_get_audios(v4l_device *);extern int v4l_get_picture(v4l_device *);extern int v4l_grab_init(v4l_device *, int,int);extern int v4l_grab_frame(v4l_device *, int);extern int v4l_grab_sync(v4l_device *);extern int v4l_mmap_init(v4l_device *);extern int v4l_get_mbuf(v4l_device *);extern int v4l_get_picture(v4l_device *);extern int v4l_grab_picture(v4l_device *, unsigned int);extern int v4l_set_buffer(v4l_device *);extern int v4l_get_buffer(v4l_device *);extern int v4l_switch_channel(v4l_device *, int);extern int v4l_set_palette(v4l_device *, int);extern unsigned char* device_get_address(v4l_device*);extern int device_next_frame(v4l_device *);extern int device_grab_frame(v4l_device *);//extern int device_grab_sync(v4l_device *);#endif
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