1 /*M///////////////////////////////////////////////////////////////////////////////////////
3 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
5 // By downloading, copying, installing or using the software you agree to this license.
6 // If you do not agree to this license, do not download, install,
7 // copy or use the software.
11 // For Open Source Computer Vision Library
13 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
14 // Copyright (C) 2009, Willow Garage Inc., all rights reserved.
15 // Third party copyrights are property of their respective owners.
17 // Redistribution and use in source and binary forms, with or without modification,
18 // are permitted provided that the following conditions are met:
20 // * Redistribution's of source code must retain the above copyright notice,
21 // this list of conditions and the following disclaimer.
23 // * Redistribution's in binary form must reproduce the above copyright notice,
24 // this list of conditions and the following disclaimer in the documentation
25 // and/or other materials provided with the distribution.
27 // * The name of the copyright holders may not be used to endorse or promote products
28 // derived from this software without specific prior written permission.
30 // This software is provided by the copyright holders and contributors "as is" and
31 // any express or implied warranties, including, but not limited to, the implied
32 // warranties of merchantability and fitness for a particular purpose are disclaimed.
33 // In no event shall the Intel Corporation or contributors be liable for any direct,
34 // indirect, incidental, special, exemplary, or consequential damages
35 // (including, but not limited to, procurement of substitute goods or services;
36 // loss of use, data, or profits; or business interruption) however caused
37 // and on any theory of liability, whether in contract, strict liability,
38 // or tort (including negligence or otherwise) arising in any way out of
39 // the use of this software, even if advised of the possibility of such damage.
51 #define DECLARE_RBS_EXCEPTION(name) \
52 class RBS_ ## name ## _Exception : public cv::Exception \
55 RBS_ ## name ## _Exception(int code_, const String& err_, const String& func_, const String& file_, int line_) : \
56 cv::Exception(code_, err_, func_, file_, line_) \
59 DECLARE_RBS_EXCEPTION(THROW_EOS)
60 #define RBS_THROW_EOS RBS_THROW_EOS_Exception(CV_StsError, "Unexpected end of input stream", CV_Func, __FILE__, __LINE__)
61 DECLARE_RBS_EXCEPTION(THROW_FORB)
62 #define RBS_THROW_FORB RBS_THROW_FORB_Exception(CV_StsError, "Forrbidden huffman code", CV_Func, __FILE__, __LINE__)
63 DECLARE_RBS_EXCEPTION(BAD_HEADER)
64 #define RBS_BAD_HEADER RBS_BAD_HEADER_Exception(CV_StsError, "Invalid header", CV_Func, __FILE__, __LINE__)
66 typedef unsigned long ulong;
68 // class RBaseStream - base class for other reading streams.
74 virtual ~RBaseStream();
76 virtual bool open( const string& filename );
77 virtual bool open( const Mat& buf );
80 void setPos( int pos );
82 void skip( int bytes );
95 virtual void readBlock();
96 virtual void release();
97 virtual void allocate();
101 // class RLByteStream - uchar-oriented stream.
102 // l in prefix means that the least significant uchar of a multi-uchar value goes first
103 class RLByteStream : public RBaseStream
106 virtual ~RLByteStream();
109 int getBytes( void* buffer, int count );
114 // class RMBitStream - uchar-oriented stream.
115 // m in prefix means that the most significant uchar of a multi-uchar value go first
116 class RMByteStream : public RLByteStream
119 virtual ~RMByteStream();
125 // WBaseStream - base class for output streams
131 virtual ~WBaseStream();
133 virtual bool open( const string& filename );
134 virtual bool open( vector<uchar>& buf );
135 virtual void close();
148 vector<uchar>* m_buf;
150 virtual void writeBlock();
151 virtual void release();
152 virtual void allocate();
156 // class WLByteStream - uchar-oriented stream.
157 // l in prefix means that the least significant uchar of a multi-byte value goes first
158 class WLByteStream : public WBaseStream
161 virtual ~WLByteStream();
163 void putByte( int val );
164 void putBytes( const void* buffer, int count );
165 void putWord( int val );
166 void putDWord( int val );
170 // class WLByteStream - uchar-oriented stream.
171 // m in prefix means that the least significant uchar of a multi-byte value goes last
172 class WMByteStream : public WLByteStream
175 virtual ~WMByteStream();
176 void putWord( int val );
177 void putDWord( int val );
180 inline unsigned BSWAP(unsigned v)
182 return (v<<24)|((v&0xff00)<<8)|((v>>8)&0xff00)|((unsigned)v>>24);
185 bool bsIsBigEndian( void );
189 #endif/*_BITSTRM_H_*/