video_output.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 39 行

/*
 * video_output.h
 */

/* SUCCESS and FAILURE definitions for video display functions */
#define VOUT_SUCCESS 0
#define VOUT_FAILURE -1

/* Custom Davinci FBDEV defines (should be in device driver header) */
#define VID0_INDEX 0
#define VID1_INDEX 1
#define ZOOM_1X    0
#define ZOOM_2X    1
#define ZOOM_4X    2

#define FBIO_SETZOOM        _IOW('F', 0x24, struct Zoom_Params)
#define FBIO_WAITFORVSYNC   _IOW('F', 0x20, u_int32_t)
#define FBIO_GETSTD         _IOR('F', 0x25, u_int32_t)

struct Zoom_Params
{
    u_int32_t WindowID;
    u_int32_t Zoom_H;
    u_int32_t Zoom_V;
};

/*  Function prototypes */
int  video_attribute_setup(char *device, unsigned char trans);

int  video_output_setup(int *fdByRef, char *device, char **displayBuffersArray, 
		      int numDisplayBuffers, int *displayWidthByRef, 
		      int *displayHeightByRef, uint32_t zoomFactor);

int  flip_display_buffers(int fd, int displayIdx);

void video_output_cleanup(int fd, char **displayBuffersArray, 
			int numDisplayBuffers);