diff options
Diffstat (limited to 'ringbuffer.h')
| -rw-r--r-- | ringbuffer.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/ringbuffer.h b/ringbuffer.h index dba0e61..f6664cf 100644 --- a/ringbuffer.h +++ b/ringbuffer.h @@ -4,7 +4,7 @@ * See the main source file 'vdr.c' for copyright information and * how to reach the author. * - * $Id: ringbuffer.h 1.17 2005/12/10 10:54:51 kls Exp $ + * $Id: ringbuffer.h 1.18 2007/11/17 13:49:34 kls Exp $ */ #ifndef __RINGBUFFER_H @@ -60,6 +60,13 @@ private: int gotten; uchar *buffer; char *description; +protected: + virtual int DataReady(const uchar *Data, int Count); + ///< By default a ring buffer has data ready as soon as there are at least + ///< 'margin' bytes available. A derived class can reimplement this function + ///< if it has other conditions that define when data is ready. + ///< The return value is either 0 if there is not yet enough data available, + ///< or the number of bytes from the beginning of Data that are "ready". public: cRingBufferLinear(int Size, int Margin = 0, bool Statistics = false, const char *Description = NULL); ///< Creates a linear ring buffer. |