?? video_input.h
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/* * video_input.h *//* FAILURE and SUCCESS definitions for the video capture functions */#define VIN_FAILURE -1#define VIN_SUCCESS 0/* Describes a capture frame buffer */typedef struct VideoBuffer { void *start; size_t length;} VideoBuffer;/* Function prototypes */int video_input_setup(int *fdByRef, char *device, VideoBuffer **vidBufsPtrByRef, int *numVidBufsByRef, int *captureWidthByRef, int *captureHeightByRef);int video_input_cleanup(int fd, VideoBuffer *vidBufsPtr, int numVidBufs);inline int wait_for_frame(int fd);
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