4 * Copyright (C) 2005 Mike Isely <isely@pobox.com>
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
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.
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
20 #ifndef __PVRUSB2_STD_H
21 #define __PVRUSB2_STD_H
23 #include <linux/videodev2.h>
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).
30 int pvr2_std_str_to_id(v4l2_std_id *idPtr,const char *bufPtr,
31 unsigned int bufSize);
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.
37 unsigned int pvr2_std_id_to_str(char *bufPtr, unsigned int bufSize,
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.
43 struct v4l2_standard *pvr2_std_create_enum(unsigned int *countptr,
46 // Return mask of which video standard bits are valid
47 v4l2_std_id pvr2_std_get_usable(void);
49 #endif /* __PVRUSB2_STD_H */
52 Stuff for Emacs to see, in order to encourage consistent editing style:
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