10c0d06caSMauro Carvalho Chehab /* 20c0d06caSMauro Carvalho Chehab * 30c0d06caSMauro Carvalho Chehab * 40c0d06caSMauro Carvalho Chehab * Copyright (C) 2005 Mike Isely <isely@pobox.com> 50c0d06caSMauro Carvalho Chehab * 60c0d06caSMauro Carvalho Chehab * This program is free software; you can redistribute it and/or modify 70c0d06caSMauro Carvalho Chehab * it under the terms of the GNU General Public License as published by 80c0d06caSMauro Carvalho Chehab * the Free Software Foundation; either version 2 of the License 90c0d06caSMauro Carvalho Chehab * 100c0d06caSMauro Carvalho Chehab * This program is distributed in the hope that it will be useful, 110c0d06caSMauro Carvalho Chehab * but WITHOUT ANY WARRANTY; without even the implied warranty of 120c0d06caSMauro Carvalho Chehab * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 130c0d06caSMauro Carvalho Chehab * GNU General Public License for more details. 140c0d06caSMauro Carvalho Chehab * 150c0d06caSMauro Carvalho Chehab * You should have received a copy of the GNU General Public License 160c0d06caSMauro Carvalho Chehab * along with this program; if not, write to the Free Software 170c0d06caSMauro Carvalho Chehab * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 180c0d06caSMauro Carvalho Chehab * 190c0d06caSMauro Carvalho Chehab */ 200c0d06caSMauro Carvalho Chehab #ifndef __PVRUSB2_STD_H 210c0d06caSMauro Carvalho Chehab #define __PVRUSB2_STD_H 220c0d06caSMauro Carvalho Chehab 230c0d06caSMauro Carvalho Chehab #include <linux/videodev2.h> 240c0d06caSMauro Carvalho Chehab 250c0d06caSMauro Carvalho Chehab // Convert string describing one or more video standards into a mask of V4L 260c0d06caSMauro Carvalho Chehab // standard bits. Return true if conversion succeeds otherwise return 270c0d06caSMauro Carvalho Chehab // false. String is expected to be of the form: C1-x/y;C2-a/b where C1 and 280c0d06caSMauro Carvalho Chehab // C2 are color system names (e.g. "PAL", "NTSC") and x, y, a, and b are 290c0d06caSMauro Carvalho Chehab // modulation schemes (e.g. "M", "B", "G", etc). 300c0d06caSMauro Carvalho Chehab int pvr2_std_str_to_id(v4l2_std_id *idPtr,const char *bufPtr, 310c0d06caSMauro Carvalho Chehab unsigned int bufSize); 320c0d06caSMauro Carvalho Chehab 330c0d06caSMauro Carvalho Chehab // Convert any arbitrary set of video standard bits into an unambiguous 340c0d06caSMauro Carvalho Chehab // readable string. Return value is the number of bytes consumed in the 350c0d06caSMauro Carvalho Chehab // buffer. The formatted string is of a form that can be parsed by our 360c0d06caSMauro Carvalho Chehab // sibling std_std_to_id() function. 370c0d06caSMauro Carvalho Chehab unsigned int pvr2_std_id_to_str(char *bufPtr, unsigned int bufSize, 380c0d06caSMauro Carvalho Chehab v4l2_std_id id); 390c0d06caSMauro Carvalho Chehab 400c0d06caSMauro Carvalho Chehab // Create an array of suitable v4l2_standard structures given a bit mask of 410c0d06caSMauro Carvalho Chehab // video standards to support. The array is allocated from the heap, and 420c0d06caSMauro Carvalho Chehab // the number of elements is returned in the first argument. 430c0d06caSMauro Carvalho Chehab struct v4l2_standard *pvr2_std_create_enum(unsigned int *countptr, 440c0d06caSMauro Carvalho Chehab v4l2_std_id id); 450c0d06caSMauro Carvalho Chehab 460c0d06caSMauro Carvalho Chehab // Return mask of which video standard bits are valid 470c0d06caSMauro Carvalho Chehab v4l2_std_id pvr2_std_get_usable(void); 480c0d06caSMauro Carvalho Chehab 490c0d06caSMauro Carvalho Chehab #endif /* __PVRUSB2_STD_H */ 500c0d06caSMauro Carvalho Chehab 510c0d06caSMauro Carvalho Chehab /* 520c0d06caSMauro Carvalho Chehab Stuff for Emacs to see, in order to encourage consistent editing style: 530c0d06caSMauro Carvalho Chehab *** Local Variables: *** 540c0d06caSMauro Carvalho Chehab *** mode: c *** 550c0d06caSMauro Carvalho Chehab *** fill-column: 75 *** 560c0d06caSMauro Carvalho Chehab *** tab-width: 8 *** 570c0d06caSMauro Carvalho Chehab *** c-basic-offset: 8 *** 580c0d06caSMauro Carvalho Chehab *** End: *** 590c0d06caSMauro Carvalho Chehab */ 60