libopenraw
rw2container.cpp
1/*
2 * libopenraw - rw2container.cpp
3 *
4 * Copyright (C) 2011-2017 Hubert Figuière
5 *
6 * This library is free software: you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public License
8 * as published by the Free Software Foundation, either version 3 of
9 * the License, or (at your option) any later version.
10 *
11 * This library 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 GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library. If not, see
18 * <http://www.gnu.org/licenses/>.
19 */
20
21#include <libopenraw/debug.h>
22
23#include "trace.hpp"
24#include "rw2container.hpp"
25
26using namespace Debug;
27
28namespace OpenRaw {
29
30namespace Internals {
31
32Rw2Container::Rw2Container(const IO::Stream::Ptr &_file, off_t _offset)
33 : IfdFileContainer(_file, _offset) //, subtype_(0)
34{
35}
36
40
42{
43 if (len < 4) {
44 // we need at least 4 bytes to check
45 return ENDIAN_NULL;
46 }
47 if ((p[0] == 'I') && (p[1] == 'I')) {
48 if ((p[2] == 'U') && (p[3] == 0)) {
49
50 LOGDBG1("Identified EL RW2 file.\n");
51 return ENDIAN_LITTLE;
52 }
53 }
54
55 LOGERR("Unidentified RW2 file\n");
56
57 return ENDIAN_NULL;
58}
59}
60}
virtual IfdFileContainer::EndianType isMagicHeader(const char *p, int len) override
CIFF is the container for CRW files. It is an attempt from Canon to make this a standard....
Definition arwfile.cpp:30