diff options
Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-std.h')
-rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-std.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-std.h b/drivers/media/video/pvrusb2/pvrusb2-std.h new file mode 100644 index 000000000000..07c399375341 --- /dev/null +++ b/drivers/media/video/pvrusb2/pvrusb2-std.h | |||
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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). | ||
31 | int 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. | ||
38 | unsigned 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. | ||
44 | struct 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 | ||
48 | v4l2_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 | */ | ||