[mirror_ubuntu-artful-kernel.git] / drivers / media / usb / pvrusb2 / pvrusb2-std.h

/*
 *
 *
 *  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 */
Commit	Line	Data
d855497e MI	1	/*
d855497e MI	2	*
d855497e MI	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	*
d855497e MI	15	*/
	16	#ifndef __PVRUSB2_STD_H
	17	#define __PVRUSB2_STD_H
	18
	19	#include <linux/videodev2.h>
	20
	21	// Convert string describing one or more video standards into a mask of V4L
	22	// standard bits. Return true if conversion succeeds otherwise return
	23	// false. String is expected to be of the form: C1-x/y;C2-a/b where C1 and
	24	// C2 are color system names (e.g. "PAL", "NTSC") and x, y, a, and b are
	25	// modulation schemes (e.g. "M", "B", "G", etc).
	26	int pvr2_std_str_to_id(v4l2_std_id idPtr,const char bufPtr,
	27	unsigned int bufSize);
	28
	29	// Convert any arbitrary set of video standard bits into an unambiguous
	30	// readable string. Return value is the number of bytes consumed in the
	31	// buffer. The formatted string is of a form that can be parsed by our
	32	// sibling std_std_to_id() function.
	33	unsigned int pvr2_std_id_to_str(char *bufPtr, unsigned int bufSize,
	34	v4l2_std_id id);
	35
	36	// Create an array of suitable v4l2_standard structures given a bit mask of
	37	// video standards to support. The array is allocated from the heap, and
	38	// the number of elements is returned in the first argument.
	39	struct v4l2_standard pvr2_std_create_enum(unsigned int countptr,
	40	v4l2_std_id id);
	41
	42	// Return mask of which video standard bits are valid
	43	v4l2_std_id pvr2_std_get_usable(void);
	44
	45	#endif /* __PVRUSB2_STD_H */