projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 4d6306eb GL |
1 | // ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: sndfrag.h | |
| 3 | // Purpose: wxMMedia | |
| 4 | // Author: Guilhem Lavaux | |
| 5 | // Created: 1997 | |
| 6 | // Updated: 1998 | |
| 7 | // Copyright: (C) 1997, 1998, Guilhem Lavaux | |
| 8 | // License: wxWindows license | |
| 9 | // ///////////////////////////////////////////////////////////////////////////// | |
| 10 | #ifndef __SND_frag_H__ | |
| 11 | #define __SND_frag_H__ | |
| 12 | #ifdef __GNUG__ | |
| 13 | #pragma interface | |
| 14 | #endif | |
| 15 | ||
| 16 | #ifdef WX_PRECOMP | |
| 17 | #include "wx_prec.h" | |
| 18 | #else | |
| 19 | #include "wx/wx.h" | |
| 20 | #endif | |
| 21 | #include "sndsnd.h" | |
| 22 | ||
| 23 | /// | |
| 24 | class wxFragmentBuffer { | |
| 25 | protected: | |
| 26 | wxSound *m_iodrv; | |
| 27 | ||
| 28 | /// | |
| 29 | wxUint8 m_maxoq, m_maxiq; | |
| 30 | ||
| 31 | /// | |
| 32 | typedef enum { | |
| 33 | wxBUFFER_FREE, | |
| 34 | wxBUFFER_FFILLED, | |
| 35 | wxBUFFER_TOFREE | |
| 36 | } BufState; | |
| 37 | public: | |
| 38 | /// | |
| 39 | typedef struct { | |
| 40 | char *data; | |
| 41 | /// | |
| 42 | char *user_data; | |
| 43 | /// | |
| 44 | wxUint32 size, ptr; | |
| 45 | /// | |
| 46 | wxList *buffers; | |
| 47 | /// | |
| 48 | BufState state; | |
| 49 | } wxFragBufPtr; | |
| 50 | protected: | |
| 51 | /// | |
| 52 | wxFragBufPtr *m_optrs, *m_iptrs; | |
| 53 | /// | |
| 54 | wxFragBufPtr *m_lstoptrs, *m_lstiptrs; | |
| 55 | /// | |
| 56 | bool m_buf2free, m_dontq, m_freeing; | |
| 57 | public: | |
| 58 | /// | |
| 59 | wxFragmentBuffer(wxSound& io_drv); | |
| 60 | /// | |
| 61 | virtual ~wxFragmentBuffer(); | |
| 62 | ||
| 63 | /// | |
| 64 | virtual void AllocIOBuffer() = 0; | |
| 65 | /// | |
| 66 | virtual void FreeIOBuffer() = 0; | |
| 67 | ||
| 68 | /// | |
| 69 | void AbortBuffer(wxSndBuffer *buf); | |
| 70 | ||
| 71 | /// | |
| 72 | wxFragBufPtr *FindFreeBuffer(wxFragBufPtr *list, wxUint8 max_queue); | |
| 73 | /// | |
| 74 | bool NotifyOutputBuffer(wxSndBuffer *buf); | |
| 75 | /// | |
| 76 | bool NotifyInputBuffer(wxSndBuffer *buf); | |
| 77 | ||
| 78 | /// | |
| 79 | void OnBufferFinished(wxFragBufPtr *ptr); | |
| 80 | ||
| 81 | /// | |
| 82 | virtual bool OnBufferFilled(wxFragBufPtr *ptr, wxSndMode mode) = 0; | |
| 83 | ||
| 84 | /// | |
| 85 | inline wxSndBuffer *LastBuffer() { | |
| 86 | wxNode *node = m_iodrv->m_buffers.Last(); | |
| 87 | ||
| 88 | if (!node) return NULL; | |
| 89 | return (wxSndBuffer *)node->Data(); | |
| 90 | } | |
| 91 | /// | |
| 92 | inline wxSndBuffer *FirstBuffer() { | |
| 93 | wxNode *node = m_iodrv->m_buffers.First(); | |
| 94 | ||
| 95 | if (!node) return NULL; | |
| 96 | return (wxSndBuffer *)node->Data(); | |
| 97 | } | |
| 98 | protected: | |
| 99 | void FreeBufToFree(bool force = FALSE); | |
| 100 | void ClearBuffer(wxFragBufPtr *ptr); | |
| 101 | }; | |
| 102 | ||
| 103 | #endif |