1/* 2 * 3 * $Id: pvrusb2-std.h,v 1.1.1.1 2007/08/03 18:52:41 Exp $ 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). 31int 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. 38unsigned 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. 44struct 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 48v4l2_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 */ 61