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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 *4 * Copyright (C) 2005 Mike Isely <isely@pobox.com>5 */6#ifndef __PVRUSB2_STD_H7#define __PVRUSB2_STD_H8 9#include <linux/videodev2.h>10 11// Convert string describing one or more video standards into a mask of V4L12// standard bits. Return true if conversion succeeds otherwise return13// false. String is expected to be of the form: C1-x/y;C2-a/b where C1 and14// C2 are color system names (e.g. "PAL", "NTSC") and x, y, a, and b are15// 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 unambiguous20// readable string. Return value is the number of bytes consumed in the21// buffer. The formatted string is of a form that can be parsed by our22// 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// Create an array of suitable v4l2_standard structures given a bit mask of27// video standards to support. The array is allocated from the heap, and28// the number of elements is returned in the first argument.29struct v4l2_standard *pvr2_std_create_enum(unsigned int *countptr,30 v4l2_std_id id);31 32// Return mask of which video standard bits are valid33v4l2_std_id pvr2_std_get_usable(void);34 35#endif /* __PVRUSB2_STD_H */36