1 /* ***** BEGIN LICENSE BLOCK *****
5 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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16 * The Original Code is BBC Research code.
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23 * Contributor(s): Andrea Gabriellini (Original Author)
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38 #ifndef _SCHROSTATE_HPP_
39 #define _SCHROSTATE_HPP_
41 #include <common/dirac.h>
42 #include <common/util.hpp>
44 #include <decoder/IDecoder.hpp>
50 // forward declaration
53 //! factory method used to generate objects of type IDecoderState
55 //! \a schrodec the schro decoder associated with the schro state
56 //! \a schro_state the state value returned by schro_decoder_wait
57 IDecoderState* makeSchroState ( Schrodec& schrodec
61 class SchroNeedInput : public IDecoderState
63 friend IDecoderState* makeSchroState(Schrodec&, int);
64 //! private constructor
65 SchroNeedInput ( Schrodec& schrodec );
68 virtual bool endOfSequence() const;
73 class SchroNeedFrame : public IDecoderState
75 friend IDecoderState* makeSchroState(Schrodec&, int);
76 //! private constructor
77 SchroNeedFrame ( Schrodec& schrodec );
80 virtual bool endOfSequence() const;
85 class SchroFrameReady : public IDecoderState
87 friend IDecoderState* makeSchroState(Schrodec&, int);
88 //! private constructor
89 SchroFrameReady ( Schrodec& schrodec );
92 virtual bool endOfSequence() const;
97 class SchroError : public IDecoderState
99 friend IDecoderState* makeSchroState(Schrodec&, int);
100 //! private constructor
104 virtual bool endOfSequence() const;
107 class SchroEndOfSequence : public IDecoderState
109 friend IDecoderState* makeSchroState(Schrodec&, int);
110 //! private constructor
111 SchroEndOfSequence();
114 virtual bool endOfSequence() const;
117 class SchroNull : public IDecoderState
119 friend IDecoderState* makeSchroState(Schrodec&, int);
120 //! private constructor
124 virtual bool endOfSequence() const;
136 #endif /* _SCHROSTATE_HPP_ */