📄 rhduvc.h
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#include <stdio.h>#include <stdlib.h>#include <string.h>#include <assert.h>#include <fcntl.h> /* low-level i/o */#include <unistd.h>#include <errno.h>#include <malloc.h>#include <sys/stat.h>#include <sys/types.h>#include <sys/time.h>#include <sys/mman.h>#include <sys/ioctl.h>#include <asm/types.h> /* for videodev2.h */#include <linux/videodev2.h>#define CLEAR(x) memset (&(x), 0, sizeof (x))struct buffer { void * start; size_t length;};void errno_exit (char *s);int xioctl (int videofd, int request,void *arg);void process_image (void *videoptr, void *p,size_t l);int read_frame (void *videoptr,size_t videosize);void stop_capturing (void);void start_capturing (void);void get_a_frame (void *videoptr,size_t videosize);void uninit_device (void);void init_mmap (void);void init_device (void);void close_device (void);void open_device (void);
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