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1// --------------------------------------------------------------------------
2// Name: sndfile.h
3// Purpose:
4// Date: 08/11/1999
5// Author: Guilhem Lavaux <lavaux@easynet.fr> (C) 1999
6// CVSID: $Id$
7// --------------------------------------------------------------------------
8#ifndef _WX_SNDFILE_H
9#define _WX_SNDFILE_H
10
11#include <wx/defs.h>
12#include <wx/stream.h>
13#include <stdlib.h>
14#include "sndbase.h"
15#include "sndcodec.h"
16
17#define wxSOUND_INFINITE_TIME ((unsigned long)-1)
18
19//
20// Codec router class
21//
22
23class WXDLLEXPORT wxSoundRouterStream: public wxSoundStreamCodec {
24 public:
25 wxSoundRouterStream(wxSoundStream& sndio);
26 ~wxSoundRouterStream();
27
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28 wxSoundStream& Read(void *buffer, wxUint32 len);
29 wxSoundStream& Write(const void *buffer, wxUint32 len);
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30
31 bool SetSoundFormat(const wxSoundFormatBase& format);
32
33 bool StartProduction(int evt);
34 bool StopProduction();
35
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36 wxUint32 GetBestSize() const;
37
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38 protected:
39 wxSoundStream *m_router;
40};
41
42typedef enum {
43 wxSOUND_FILE_STOPPED,
44 wxSOUND_FILE_PAUSED,
45 wxSOUND_FILE_PLAYING,
46 wxSOUND_FILE_RECORDING
47} wxSoundFileState;
48
49//
50// Base class for file coders/decoders
51//
52
53class wxSoundFileStream: public wxSoundStream {
54 public:
55 wxSoundFileStream(wxInputStream& stream, wxSoundStream& io_sound);
56 wxSoundFileStream(wxOutputStream& stream, wxSoundStream& io_sound);
57 ~wxSoundFileStream();
58
59 bool Play();
60 bool Record(unsigned long time);
61 bool Stop();
62 bool Pause();
63 bool Resume();
64
65 bool IsStopped() const { return m_state == wxSOUND_FILE_STOPPED; }
66
67 bool StartProduction(int evt);
68 bool StopProduction();
69
70 unsigned long GetLength() const;
71
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72 wxSoundStream& Read(void *buffer, wxUint32 len);
73 wxSoundStream& Write(const void *buffer, wxUint32 len);
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74
75 void SetDuplexMode(bool duplex);
76
77 bool SetSoundFormat(const wxSoundFormatBase& format);
78
56dc1ffd 79 virtual bool CanRead() { return FALSE; }
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80
81 protected:
82 wxSoundRouterStream m_codec;
83 wxSoundStream *m_sndio;
84 wxInputStream *m_input;
85 wxOutputStream *m_output;
86
87 wxSoundFileState m_state, m_oldstate;
88 wxUint32 m_len;
89
90 protected:
91 virtual bool PrepareToPlay() = 0;
92 virtual bool PrepareToRecord(unsigned long time) = 0;
93 virtual bool FinishRecording() = 0;
94
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95 virtual wxUint32 GetData(void *buffer, wxUint32 len) = 0;
96 virtual wxUint32 PutData(const void *buffer, wxUint32 len) = 0;
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97
98 void OnSoundEvent(int evt);
99};
100
101#endif