Dirac - A Video Codec

Created by the British Broadcasting Corporation.


dirac_cppparser.h
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38 
39 
40 
41 #ifndef DIRAC_CPPPARSER_H
42 #define DIRAC_CPPPARSER_H
43 
44 #include <istream>
45 #include <streambuf>
46 #include <libdirac_decoder/decoder_types.h> //for DecoderState
47 #include <libdirac_common/common.h>
49 
50 namespace dirac
51 {
52  class SequenceDecompressor;
53  class Picture;
54 
56  class InputStreamBuffer : public std::streambuf
57  {
58  public:
61 
64 
66  std::ios::pos_type Rewind();
67 
69 
74  std::ios::pos_type Seek(std::ios::pos_type bytes,
75  std::ios::seekdir pos = std::ios::cur);
76 
78  std::ios::pos_type Tell();
79 
81 
86  void Copy(char *start, int bytes);
87 
89  void PurgeProcessedData();
90 
91  private:
92 
94  InputStreamBuffer (const InputStreamBuffer& inbuf);
95 
98 
100  static const int m_buffer_size = 1232896;
101 
104  };
105 
107 
120  {
121  public:
123 
127  DiracParser(bool verbose = false );
128 
130  ~DiracParser();
131 
133 
137  void SetBuffer (char *start, char *end);
138 
140 
150 
152  const ParseParams& GetParseParams() const;
153 
155  const SourceParams& GetSourceParams() const;
156 
158  const PictureParams* GetNextPictureParams() const;
159 
161  const Picture* GetNextPicture() const;
162 
164  const DecoderParams& GetDecoderParams() const;
165 
166  private:
167 
168  private:
169 
171  DiracParser (const DiracParser &dp);
173  DiracParser& operator = (const DiracParser &dp);
183  bool m_verbose;
186  };
187 
188 } // namespace dirac
189 
190 #endif

© 2004 British Broadcasting Corporation. Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
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