/* SPDX-License-Identifier: GPL-2.0-only */ /* * * Copyright (C) 2005 Mike Isely <isely@pobox.com> */ #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 */