| | 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 | // -------------------------------------------------------------------------- |
| | 8 | #ifndef _WX_SNDWAV_H |
| | 9 | #define _WX_SNDWAV_H |
| | 10 | |
| | 11 | #ifdef __GNUG__ |
| | 12 | #pragma interface "sndwav.h" |
| | 13 | #endif |
| | 14 | |
| | 15 | #include "wx/defs.h" |
| | 16 | #include "wx/string.h" |
| | 17 | #include "wx/stream.h" |
| | 18 | #include "wx/datstrm.h" |
| | 19 | #include "wx/mmedia/defs.h" |
| | 20 | #include "wx/mmedia/sndbase.h" |
| | 21 | #include "wx/mmedia/sndcodec.h" |
| | 22 | #include "wx/mmedia/sndfile.h" |
| | 23 | |
| | 24 | // |
| | 25 | // WAVE codec |
| | 26 | // |
| | 27 | |
| | 28 | class wxSoundWave: public wxSoundFileStream { |
| | 29 | public: |
| | 30 | wxSoundWave(wxInputStream& stream, wxSoundStream& io_sound); |
| | 31 | wxSoundWave(wxOutputStream& stream, wxSoundStream& io_sound); |
| | 32 | ~wxSoundWave(); |
| | 33 | |
| | 34 | bool CanRead(); |
| | 35 | wxString GetCodecName() const; |
| | 36 | |
| | 37 | protected: |
| | 38 | bool PrepareToPlay(); |
| | 39 | bool PrepareToRecord(wxUint32 time); |
| | 40 | bool FinishRecording(); |
| | 41 | bool RepositionStream(wxUint32 position); |
| | 42 | |
| | 43 | wxUint32 GetData(void *buffer, wxUint32 len); |
| | 44 | wxUint32 PutData(const void *buffer, wxUint32 len); |
| | 45 | |
| | 46 | bool HandleOutputPCM(wxDataInputStream& data, wxUint32 len, |
| | 47 | wxUint16 channels, wxUint32 sample_fq, |
| | 48 | wxUint32 byte_p_sec, wxUint16 byte_p_spl, |
| | 49 | wxUint16 bits_p_spl); |
| | 50 | bool HandleOutputMSADPCM(wxDataInputStream& data, wxUint32 len, |
| | 51 | wxUint16 channels, wxUint32 sample_fq, |
| | 52 | wxUint32 byte_p_sec, wxUint16 byte_p_spl, |
| | 53 | wxUint16 bits_p_spl); |
| | 54 | bool HandleOutputG721(wxDataInputStream& data, wxUint32 len, |
| | 55 | wxUint16 channels, wxUint32 sample_fq, |
| | 56 | wxUint32 byte_p_sec, wxUint16 byte_p_spl, |
| | 57 | wxUint16 bits_p_spl); |
| | 58 | wxSoundFormatBase *HandleInputPCM(wxDataOutputStream& data); |
| | 59 | wxSoundFormatBase *HandleInputG72X(wxDataOutputStream& data); |
| | 60 | |
| | 61 | protected: |
| | 62 | off_t m_base_offset; |
| | 63 | }; |
| | 64 | |
| | 65 | #endif |
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