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1/*
2 *
3 * $Id$
4 *
5 * Copyright (C) 2005 Mike Isely <isely@pobox.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21#ifndef __PVRUSB2_STD_H
22#define __PVRUSB2_STD_H
23
24#include <linux/videodev2.h>
25
26// Convert string describing one or more video standards into a mask of V4L
27// standard bits. Return true if conversion succeeds otherwise return
28// false. String is expected to be of the form: C1-x/y;C2-a/b where C1 and
29// C2 are color system names (e.g. "PAL", "NTSC") and x, y, a, and b are
30// modulation schemes (e.g. "M", "B", "G", etc).
31int pvr2_std_str_to_id(v4l2_std_id *idPtr,const char *bufPtr,
32 unsigned int bufSize);
33
34// Convert any arbitrary set of video standard bits into an unambiguous
35// readable string. Return value is the number of bytes consumed in the
36// buffer. The formatted string is of a form that can be parsed by our
37// sibling std_std_to_id() function.
38unsigned int pvr2_std_id_to_str(char *bufPtr, unsigned int bufSize,
39 v4l2_std_id id);
40
41// Create an array of suitable v4l2_standard structures given a bit mask of
42// video standards to support. The array is allocated from the heap, and
43// the number of elements is returned in the first argument.
44struct v4l2_standard *pvr2_std_create_enum(unsigned int *countptr,
45 v4l2_std_id id);
46
47// Return mask of which video standard bits are valid
48v4l2_std_id pvr2_std_get_usable(void);
49
50#endif /* __PVRUSB2_STD_H */
51
52/*
53 Stuff for Emacs to see, in order to encourage consistent editing style:
54 *** Local Variables: ***
55 *** mode: c ***
56 *** fill-column: 75 ***
57 *** tab-width: 8 ***
58 *** c-basic-offset: 8 ***
59 *** End: ***
60 */