pvrusb2-std.h

 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// Return mask of which video standard bits are valid
27v4l2_std_id pvr2_std_get_usable(void);
28
29#endif /* __PVRUSB2_STD_H */