projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| e8482f24 GL |
1 | // -------------------------------------------------------------------------- |
| 2 | // Name: sndg72x.h | |
| 3 | // Purpose: | |
| 4 | // Date: 08/26/1999 | |
| 5 | // Author: Guilhem Lavaux <lavaux@easynet.fr> (C) 1999 | |
| 6 | // CVSID: $Id$ | |
| 05aa8cf3 | 7 | // License: wxWindows license |
| e8482f24 GL |
8 | // -------------------------------------------------------------------------- |
| 9 | #ifndef _WX_SNDG72X_H | |
| 10 | #define _WX_SNDG72X_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 | #include "wx/mmedia/sndbase.h" | |
| 17 | ||
| 18 | typedef enum { | |
| 19 | wxSOUND_G721, | |
| 20 | wxSOUND_G723_24, | |
| 21 | wxSOUND_G723_40 | |
| 22 | } wxSoundG72XType; | |
| 23 | ||
| 24 | // This fixes a bug in Mingw95 | |
| 25 | typedef struct g72x_state g72state; | |
| 26 | ||
| 27 | // | |
| 28 | // G72X format | |
| 29 | // | |
| 15e8daec | 30 | class WXDLLIMPEXP_MMEDIA wxSoundFormatG72X: public wxSoundFormatBase { |
| e8482f24 GL |
31 | public: |
| 32 | wxSoundFormatG72X(); | |
| 33 | ~wxSoundFormatG72X(); | |
| 34 | ||
| 35 | void SetG72XType(wxSoundG72XType type); | |
| 36 | wxSoundG72XType GetG72XType() const { return m_g72x_type; } | |
| 37 | ||
| 38 | void SetSampleRate(wxUint32 srate); | |
| 39 | wxUint32 GetSampleRate() const; | |
| 40 | ||
| 41 | wxSoundFormatType GetType() const { return wxSOUND_G72X; } | |
| 42 | wxSoundFormatBase *Clone() const; | |
| 43 | ||
| 44 | wxUint32 GetTimeFromBytes(wxUint32 bytes) const; | |
| 45 | wxUint32 GetBytesFromTime(wxUint32 time) const; | |
| 46 | ||
| 47 | bool operator !=(const wxSoundFormatBase& frmt2) const; | |
| 48 | ||
| 49 | protected: | |
| 50 | wxUint32 m_srate; | |
| 51 | wxSoundG72XType m_g72x_type; | |
| 52 | }; | |
| 53 | ||
| 54 | // | |
| 55 | // ULAW converter class | |
| 56 | // | |
| 57 | ||
| 15e8daec VS |
58 | class WXDLLIMPEXP_MMEDIA wxSoundRouterStream; |
| 59 | class WXDLLIMPEXP_MMEDIA wxSoundStreamG72X: public wxSoundStreamCodec { | |
| e8482f24 GL |
60 | public: |
| 61 | wxSoundStreamG72X(wxSoundStream& sndio); | |
| 62 | ~wxSoundStreamG72X(); | |
| 63 | ||
| 64 | wxSoundStream& Read(void *buffer, wxUint32 len); | |
| 65 | wxSoundStream& Write(const void *buffer, wxUint32 len); | |
| 66 | ||
| 67 | bool SetSoundFormat(const wxSoundFormatBase& format); | |
| 68 | ||
| 69 | protected: | |
| 70 | wxSoundRouterStream *m_router; | |
| 71 | wxUint8 m_n_bits, m_current_mask, m_current_b_pos, m_current_byte; | |
| 72 | wxUint8 *m_io_buffer; | |
| 73 | g72state *m_state; | |
| 74 | ||
| 75 | int (*m_coder)(int code, int in_code, struct g72x_state *state); | |
| 76 | int (*m_decoder)(int code, int out_code, struct g72x_state *state); | |
| 77 | ||
| 78 | protected: | |
| 79 | void PutBits(wxUint8 bits); | |
| 80 | wxUint8 GetBits(); | |
| 81 | }; | |
| 82 | ||
| 83 | #endif |