typedef enum {
wxBUFFER_FREE,
wxBUFFER_FFILLED,
- wxBUFFER_TOFREE
+ wxBUFFER_TOFREE,
+ wxBUFFER_PLAYING
} BufState;
public:
///
typedef struct {
- char *data;
- ///
+ // Local stream buffer for this fragment.
+ wxStreamBuffer *sndbuf;
+ // Data the driver would like to pass to the callback.
char *user_data;
- ///
- wxUint32 size, ptr;
- ///
+ // Buffers included in this fragment.
wxList *buffers;
- ///
+ // State of the fragment.
BufState state;
} wxFragBufPtr;
protected:
- ///
+ //
wxFragBufPtr *m_optrs, *m_iptrs;
- ///
+ //
wxFragBufPtr *m_lstoptrs, *m_lstiptrs;
- ///
+ //
bool m_buf2free, m_dontq, m_freeing;
+ //
+ wxSoundDataFormat m_drvformat;
public:
- ///
wxFragmentBuffer(wxSound& io_drv);
- ///
virtual ~wxFragmentBuffer();
- ///
+ // These functions initializes the fragments. They must initialize
+ // m_lstoptrs, m_lstiptrs, m_maxoq, m_maxiq.
virtual void AllocIOBuffer() = 0;
- ///
virtual void FreeIOBuffer() = 0;
- ///
void AbortBuffer(wxSndBuffer *buf);
- ///
+ // Find a free (or partly free) fragment.
wxFragBufPtr *FindFreeBuffer(wxFragBufPtr *list, wxUint8 max_queue);
- ///
+ // Add this sound buffer to an "OUTPUT" fragment.
bool NotifyOutputBuffer(wxSndBuffer *buf);
- ///
+ // Add this sound buffer to an "INPUT" fragment.
bool NotifyInputBuffer(wxSndBuffer *buf);
- ///
+ // Called when a fragment is finished.
void OnBufferFinished(wxFragBufPtr *ptr);
- ///
+ // Called when a fragment is full and it should be flushed in the sound card.
virtual bool OnBufferFilled(wxFragBufPtr *ptr, wxSndMode mode) = 0;
- ///
inline wxSndBuffer *LastBuffer() {
wxNode *node = m_iodrv->m_buffers.Last();
if (!node) return NULL;
return (wxSndBuffer *)node->Data();
}
- ///
inline wxSndBuffer *FirstBuffer() {
wxNode *node = m_iodrv->m_buffers.First();