projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| e8482f24 GL |
1 | // -------------------------------------------------------------------------- |
| 2 | // Name: sndcpcm.h | |
| 3 | // Purpose: | |
| 4 | // Date: 08/11/1999 | |
| 5 | // Author: Guilhem Lavaux <lavaux@easynet.fr> (C) 1999 | |
| 6 | // CVSID: $Id$ | |
| 05aa8cf3 | 7 | // License: wxWindows license |
| e8482f24 GL |
8 | // -------------------------------------------------------------------------- |
| 9 | #ifndef _WX_SNDCPCM_H | |
| 10 | #define _WX_SNDCPCM_H | |
| 11 | ||
| e8482f24 | 12 | #include "wx/defs.h" |
| 15e8daec | 13 | #include "wx/mmedia/defs.h" |
| e8482f24 GL |
14 | #include "wx/mmedia/sndbase.h" |
| 15 | #include "wx/mmedia/sndcodec.h" | |
| 16 | ||
| 17 | // | |
| 18 | // PCM converter class | |
| 19 | // | |
| 20 | ||
| 15e8daec | 21 | class WXDLLIMPEXP_MMEDIA wxSoundStreamPcm: public wxSoundStreamCodec { |
| e8482f24 GL |
22 | public: |
| 23 | typedef void (*ConverterType)(const void *buf_in, void *buf_out, | |
| 24 | wxUint32 len); | |
| 25 | ||
| 26 | wxSoundStreamPcm(wxSoundStream& sndio); | |
| 27 | ~wxSoundStreamPcm(); | |
| 28 | ||
| 29 | wxSoundStream& Read(void *buffer, wxUint32 len); | |
| 30 | wxSoundStream& Write(const void *buffer, wxUint32 len); | |
| 31 | ||
| 32 | bool SetSoundFormat(const wxSoundFormatBase& format); | |
| 33 | ||
| 34 | wxUint32 GetBestSize() const; | |
| 35 | ||
| 36 | protected: | |
| 37 | wxUint32 GetReadSize(wxUint32 len) const; | |
| 38 | wxUint32 GetWriteSize(wxUint32 len) const; | |
| 39 | ||
| 40 | protected: | |
| 41 | ConverterType m_function_out, m_function_in; | |
| 42 | ||
| 43 | // Static temporary buffer | |
| 44 | char *m_prebuffer; | |
| 45 | wxUint32 m_prebuffer_size; | |
| 46 | // Estimated best size to fit into the static buffer | |
| 47 | wxUint32 m_best_size; | |
| 48 | // Multiplier for IO buffer size | |
| 49 | float m_multiplier_in, m_multiplier_out; | |
| 50 | }; | |
| 51 | ||
| 52 | #endif |