/*
   driver-test.c - This program tests V4L2 kernel drivers

   Copyright (C) 2006 Mauro Carvalho Chehab <mchehab@infradead.org>

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 */

#include "../lib/v4l2_driver.h"
#include <stdio.h>

int main(void)
{
	struct v4l2_driver drv;
	struct drv_list *cur;

	if (v4l2_open ("/dev/video0", 1,&drv)<0) {
		perror("open");
		return -1;
	}
	if (v4l2_enum_stds (&drv)<0) {
		perror("enum_stds");
	}

	/* Tries all video standards */
	for (cur=drv.stds;cur!=NULL;cur=cur->next) {
		v4l2_std_id id=((struct v4l2_standard *)cur->curr)->id;
		if (cur->curr)
			if (v4l2_setget_std (&drv, V4L2_SET_GET, &id))
				perror("set_std");
	}

	if (v4l2_enum_input (&drv)<0) {
		perror("enum_input");
	}

	/* Tries all video inputs */
	for (cur=drv.inputs;cur!=NULL;cur=cur->next) {
		struct v4l2_input input;
		input.index=((struct v4l2_input* )cur->curr)->index;
		if (cur->curr)
			if (v4l2_setget_input (&drv, V4L2_SET_GET, &input))
				perror("set_input");
	}

	if (v4l2_enum_fmt (&drv,V4L2_BUF_TYPE_VIDEO_CAPTURE)<0) {
		perror("enum_fmt_cap");
	}

	/* Tries all formats */
	for (cur=drv.fmt_caps;cur!=NULL;cur=cur->next) {
		struct v4l2_format fmt;
		uint32_t	   pixelformat=((struct v4l2_fmtdesc *)cur->curr)->pixelformat;
		if (cur->curr) {
			if (v4l2_gettryset_fmt_cap (&drv,V4L2_SET,&fmt, 640, 480,
						pixelformat,V4L2_FIELD_ANY))
				perror("set_input");
		}
	}

	if (v4l2_get_parm (&drv)<0) {
		perror("get_parm");
	}
	if (v4l2_close (&drv)<0) {
		perror("close");
		return -1;
	}
	return 0;
}