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[wxWidgets.git] / contrib / include / wx / mmedia / sndwav.h
1 // --------------------------------------------------------------------------
2 // Name: sndwav.h
3 // Purpose:
4 // Date: 08/11/1999
5 // Author: Guilhem Lavaux <lavaux@easynet.fr> (C) 1999
6 // CVSID: $Id$
7 // License: wxWindows license
8 // --------------------------------------------------------------------------
9 #ifndef _WX_SNDWAV_H
10 #define _WX_SNDWAV_H
11
12 #ifdef __GNUG__
13 #pragma interface "sndwav.h"
14 #endif
15
16 #include "wx/defs.h"
17 #include "wx/string.h"
18 #include "wx/stream.h"
19 #include "wx/datstrm.h"
20 #include "wx/mmedia/defs.h"
21 #include "wx/mmedia/sndbase.h"
22 #include "wx/mmedia/sndcodec.h"
23 #include "wx/mmedia/sndfile.h"
24
25 //
26 // WAVE codec
27 //
28
29 class wxSoundWave: public wxSoundFileStream {
30 public:
31 wxSoundWave(wxInputStream& stream, wxSoundStream& io_sound);
32 wxSoundWave(wxOutputStream& stream, wxSoundStream& io_sound);
33 ~wxSoundWave();
34
35 bool CanRead();
36 wxString GetCodecName() const;
37
38 protected:
39 bool PrepareToPlay();
40 bool PrepareToRecord(wxUint32 time);
41 bool FinishRecording();
42 bool RepositionStream(wxUint32 position);
43
44 wxUint32 GetData(void *buffer, wxUint32 len);
45 wxUint32 PutData(const void *buffer, wxUint32 len);
46
47 bool HandleOutputPCM(wxDataInputStream& data, wxUint32 len,
48 wxUint16 channels, wxUint32 sample_fq,
49 wxUint32 byte_p_sec, wxUint16 byte_p_spl,
50 wxUint16 bits_p_spl);
51 bool HandleOutputMSADPCM(wxDataInputStream& data, wxUint32 len,
52 wxUint16 channels, wxUint32 sample_fq,
53 wxUint32 byte_p_sec, wxUint16 byte_p_spl,
54 wxUint16 bits_p_spl);
55 bool HandleOutputG721(wxDataInputStream& data, wxUint32 len,
56 wxUint16 channels, wxUint32 sample_fq,
57 wxUint32 byte_p_sec, wxUint16 byte_p_spl,
58 wxUint16 bits_p_spl);
59 wxSoundFormatBase *HandleInputPCM(wxDataOutputStream& data);
60 wxSoundFormatBase *HandleInputG72X(wxDataOutputStream& data);
61
62 protected:
63 off_t m_base_offset;
64 };
65
66 #endif