1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 *
 
 4 *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 5 */
 6#ifndef __PVRUSB2_STD_H
 7#define __PVRUSB2_STD_H
 8
 9#include <linux/videodev2.h>
10
11// Convert string describing one or more video standards into a mask of V4L
12// standard bits.  Return true if conversion succeeds otherwise return
13// false.  String is expected to be of the form: C1-x/y;C2-a/b where C1 and
14// C2 are color system names (e.g. "PAL", "NTSC") and x, y, a, and b are
15// modulation schemes (e.g. "M", "B", "G", etc).
16int pvr2_std_str_to_id(v4l2_std_id *idPtr,const char *bufPtr,
17		       unsigned int bufSize);
18
19// Convert any arbitrary set of video standard bits into an unambiguous
20// readable string.  Return value is the number of bytes consumed in the
21// buffer.  The formatted string is of a form that can be parsed by our
22// sibling std_std_to_id() function.
23unsigned int pvr2_std_id_to_str(char *bufPtr, unsigned int bufSize,
24				v4l2_std_id id);
25
26// Create an array of suitable v4l2_standard structures given a bit mask of
27// video standards to support.  The array is allocated from the heap, and
28// the number of elements is returned in the first argument.
29struct v4l2_standard *pvr2_std_create_enum(unsigned int *countptr,
30					   v4l2_std_id id);
31
32// Return mask of which video standard bits are valid
33v4l2_std_id pvr2_std_get_usable(void);
34
35#endif /* __PVRUSB2_STD_H */

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