| /* |
| * |
| * |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| #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 */ |
