video_osd.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 32 行

/*
 * video_output.h
 */

/* SUCCESS and FAILURE definitions for video display functions */
#define VOSD_SUCCESS 0
#define VOSD_FAILURE -1

/*  Function prototypes */

int video_osd_setup(int *osdFdByRef, int *attrFdByRef, char *osdDevice, 
			char *attrDevice, unsigned char trans, 
			unsigned short **osdDisplayByRef, 
			unsigned short **attrDisplayByRef);

int video_osd_place(unsigned short *osdDisplay, unsigned short *attrDisplay, 
		unsigned short *picture, unsigned char trans,
		int x_offset, int y_offset, int x_picsize, int y_picsize);

int video_osd_cleanup(int osdFd, int attrFd, unsigned short *osdDisplay, 
			unsigned short *attrDisplay);

int video_osd_scroll(unsigned short *osdDisplay, unsigned short *attrDisplay, 
		unsigned short *picture,
		int x_offset, int y_offset, int x_picsize, int y_picsize,
		int x_scroll, int y_scroll);

int video_osd_circframe(unsigned short *osdDisplay, 
		unsigned short *attrDisplay, unsigned short fillval, 
		unsigned char trans);