#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <unistd.h>
#include <va/va_drm.h>

int main(int argc, char *argv[])
{
	const char *dev = argc > 1?argv[1]:"/dev/dri/card0";
	int sts = EXIT_FAILURE; /* be pessimistic */
	
	int fd = open(dev, O_RDWR);
	if (fd < 0) {
		fprintf(stderr,"Failed to open %s:%s\n", dev, strerror(errno));
	}
	else {
		VADisplay dpy = vaGetDisplayDRM(fd);
		if (!dpy)
		{
			fprintf(stderr,"Failed to get va display\n");
		}
		else {
			int major_version = 0, minor_version = 0;
			VAStatus va_sts = vaInitialize(dpy, &major_version, &minor_version);
			if(va_sts != VA_STATUS_SUCCESS) {
				fprintf(stderr,"Failed to get initialize va (%d)\n",va_sts);
			}
			else {
				fprintf(stderr,"Initialized va (%d.%d)\n",major_version,minor_version);
				sts = EXIT_SUCCESS;
				sleep(10);
			}
			vaTerminate(dpy);
		}
		close(fd);
	}
	return sts;
}