Ryo Hagimoto
ZBar bar code reader . http://zbar.sourceforge.net/ ZBar is licensed under the GNU LGPL 2.1 to enable development of both open source and commercial projects.
Dependents: GR-PEACH_Camera_in_barcode levkov_ov7670
LICENSE
The ZBar Bar Code Reader is Copyright (C) 2007-2009 Jeff Brown <spadix@users.sourceforge.net> The QR Code reader is Copyright (C) 1999-2009 Timothy B. Terriberry <tterribe@xiph.org>
You can redistribute this library and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.
This library 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
ISAAC is based on the public domain implementation by Robert J. Jenkins Jr., and is itself public domain.
Portions of the bit stream reader are copyright (C) The Xiph.Org Foundation 1994-2008, and are licensed under a BSD-style license.
The Reed-Solomon decoder is derived from an implementation (C) 1991-1995 Henry Minsky (hqm@ua.com, hqm@ai.mit.edu), and is licensed under the LGPL with permission.
zbar/qrcode/bch15_5.h@1:500d42699c34, 2016-04-19 (annotated)
- Committer:
- RyoheiHagimoto
- Date:
- Tue Apr 19 02:19:39 2016 +0000
- Revision:
- 1:500d42699c34
- Parent:
- 0:56c5742b9e2b
Add copying.txt and license.txt
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| RyoheiHagimoto | 0:56c5742b9e2b | 1 | /*Copyright (C) 2008-2009 Timothy B. Terriberry (tterribe@xiph.org) |
| RyoheiHagimoto | 0:56c5742b9e2b | 2 | You can redistribute this library and/or modify it under the terms of the |
| RyoheiHagimoto | 0:56c5742b9e2b | 3 | GNU Lesser General Public License as published by the Free Software |
| RyoheiHagimoto | 0:56c5742b9e2b | 4 | Foundation; either version 2.1 of the License, or (at your option) any later |
| RyoheiHagimoto | 0:56c5742b9e2b | 5 | version.*/ |
| RyoheiHagimoto | 0:56c5742b9e2b | 6 | #if !defined(_bch15_5_H) |
| RyoheiHagimoto | 0:56c5742b9e2b | 7 | # define _bch15_5_H (1) |
| RyoheiHagimoto | 0:56c5742b9e2b | 8 | |
| RyoheiHagimoto | 0:56c5742b9e2b | 9 | /*Encodes a raw 5-bit value _x into a 15-bit BCH(15,5) code. |
| RyoheiHagimoto | 0:56c5742b9e2b | 10 | This is capable of correcting up to 3 bit errors, and detecting as many as |
| RyoheiHagimoto | 0:56c5742b9e2b | 11 | 5 bit errors in some cases.*/ |
| RyoheiHagimoto | 0:56c5742b9e2b | 12 | unsigned bch15_5_encode(unsigned _x); |
| RyoheiHagimoto | 0:56c5742b9e2b | 13 | |
| RyoheiHagimoto | 0:56c5742b9e2b | 14 | /*Corrects the received code *_y, if possible. |
| RyoheiHagimoto | 0:56c5742b9e2b | 15 | The original data is located in the top five bits. |
| RyoheiHagimoto | 0:56c5742b9e2b | 16 | Returns the number of errors corrected, or a negative value if decoding |
| RyoheiHagimoto | 0:56c5742b9e2b | 17 | failed due to too many bit errors, in which case *_y is left unchanged.*/ |
| RyoheiHagimoto | 0:56c5742b9e2b | 18 | int bch15_5_correct(unsigned *_y); |
| RyoheiHagimoto | 0:56c5742b9e2b | 19 | |
| RyoheiHagimoto | 0:56c5742b9e2b | 20 | #endif |
| RyoheiHagimoto | 0:56c5742b9e2b | 21 |