video_input.h

来自「TI workshop 培训资料。 是关于如何创建DAVINCI平台下codec」· C头文件 代码 · 共 28 行

/*
 * 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);