82 lines
1.8 KiB
C
82 lines
1.8 KiB
C
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// /////////////////////////////////////////////////////////////////////////////
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// Name: mmriff.h
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// Purpose: wxMMedia
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// Author: Guilhem Lavaux
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// Created: 1998
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// Updated:
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// Copyright: (C) 1998, Guilhem Lavaux
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// License: wxWindows license
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// /////////////////////////////////////////////////////////////////////////////
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/* Real -*- C++ -*- */
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#ifndef __MM_riff_H__
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#define __MM_riff_H__
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include "mmtype.h"
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#include "mmfile.h"
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#define RIFF_READ 0
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#define RIFF_WRITE 1
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#define INVALID_CHUNK_LEN ((wxUint32)-1)
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///
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class wxRiffCodec {
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public:
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///
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wxRiffCodec();
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///
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wxRiffCodec(wxOutputStream& s);
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///
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wxRiffCodec(wxInputStream& s);
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///
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virtual ~wxRiffCodec();
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///
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void SetFile(wxInputStream& s) { cout << "RIFF:SetFile(i)" << endl; riff_i_stream = &s; riff_o_stream = NULL; }
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///
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void SetFile(wxOutputStream& s) { cout << "RIFF::SetFile(o)" << endl; riff_i_stream = NULL; riff_o_stream = &s; }
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///
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bool Read32(wxUint32& i32);
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///
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bool Read16(wxUint16& i16);
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///
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bool ReadData(void *data, wxUint32 size);
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///
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bool Skip(wxUint32 skip);
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///
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bool Write32(wxUint32 i32);
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///
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bool Write16(wxUint16 i16);
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///
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bool WriteData(void *data, wxUint32 size);
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///
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inline wxUint32 GetChunkLength() const { return chunk_length; }
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///
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inline const wxString& GetChunkName() const { return m_chunk; }
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///
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bool RiffReset(wxUint8 state);
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///
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bool FindChunk(const wxString& name = "", bool from_here = FALSE);
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///
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bool CreateChunk(const wxString& name, wxUint32 chunk_size);
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///
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inline wxMMFileError GetError() const { return riff_error; }
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protected:
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wxInputStream *riff_i_stream;
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wxOutputStream *riff_o_stream;
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wxUint32 chunk_length;
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wxMMFileError riff_error;
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wxString m_chunk;
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};
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#endif
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