46 lines
1.8 KiB
C
Executable file
46 lines
1.8 KiB
C
Executable file
/*
|
|
*
|
|
*
|
|
* Copyright (C) 2005 Mike Isely <isely@pobox.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
*/
|
|
#ifndef __PVRUSB2_STD_H
|
|
#define __PVRUSB2_STD_H
|
|
|
|
#include <linux/videodev2.h>
|
|
|
|
// Convert string describing one or more video standards into a mask of V4L
|
|
// standard bits. Return true if conversion succeeds otherwise return
|
|
// false. String is expected to be of the form: C1-x/y;C2-a/b where C1 and
|
|
// C2 are color system names (e.g. "PAL", "NTSC") and x, y, a, and b are
|
|
// modulation schemes (e.g. "M", "B", "G", etc).
|
|
int pvr2_std_str_to_id(v4l2_std_id *idPtr,const char *bufPtr,
|
|
unsigned int bufSize);
|
|
|
|
// Convert any arbitrary set of video standard bits into an unambiguous
|
|
// readable string. Return value is the number of bytes consumed in the
|
|
// buffer. The formatted string is of a form that can be parsed by our
|
|
// sibling std_std_to_id() function.
|
|
unsigned int pvr2_std_id_to_str(char *bufPtr, unsigned int bufSize,
|
|
v4l2_std_id id);
|
|
|
|
// Create an array of suitable v4l2_standard structures given a bit mask of
|
|
// video standards to support. The array is allocated from the heap, and
|
|
// the number of elements is returned in the first argument.
|
|
struct v4l2_standard *pvr2_std_create_enum(unsigned int *countptr,
|
|
v4l2_std_id id);
|
|
|
|
// Return mask of which video standard bits are valid
|
|
v4l2_std_id pvr2_std_get_usable(void);
|
|
|
|
#endif /* __PVRUSB2_STD_H */
|