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/*
* $Id: streamer.h,v 1.11 2009/06/19 06:32:45 schmirl Exp $
*/
#ifndef VDR_STREAMDEV_STREAMER_H
#define VDR_STREAMDEV_STREAMER_H
#include <vdr/thread.h>
#include <vdr/ringbuffer.h>
#include <vdr/tools.h>
class cTBSocket;
class cStreamdevStreamer;
#ifndef TS_SIZE
#define TS_SIZE 188
#endif
#define STREAMERBUFSIZE (20000 * TS_SIZE)
#define WRITERBUFSIZE (5000 * TS_SIZE)
// --- cStreamdevBuffer -------------------------------------------------------
class cStreamdevBuffer: public cRingBufferLinear {
public:
// make public
void WaitForPut(void) { cRingBuffer::WaitForPut(); }
// Always write complete TS packets
// (assumes Count is a multiple of TS_SIZE)
int PutTS(const uchar *Data, int Count);
cStreamdevBuffer(int Size, int Margin = 0, bool Statistics = false, const char *Description = NULL);
};
inline int cStreamdevBuffer::PutTS(const uchar *Data, int Count)
{
int free = Free();
if (free < Count)
Count = free;
Count -= Count % TS_SIZE;
if (Count)
Count = Put(Data, Count);
else
WaitForPut();
return Count;
}
// --- cStreamdevWriter -------------------------------------------------------
class cStreamdevWriter: public cThread {
private:
cStreamdevStreamer *m_Streamer;
cTBSocket *m_Socket;
protected:
virtual void Action(void);
public:
cStreamdevWriter(cTBSocket *Socket, cStreamdevStreamer *Streamer);
virtual ~cStreamdevWriter();
};
// --- cStreamdevStreamer -----------------------------------------------------
class cStreamdevStreamer: public cThread {
private:
cStreamdevWriter *m_Writer;
cStreamdevBuffer *m_RingBuffer;
cStreamdevBuffer *m_SendBuffer;
protected:
virtual void Action(void);
bool IsRunning(void) const { return m_Writer; }
public:
cStreamdevStreamer(const char *Name);
virtual ~cStreamdevStreamer();
virtual void Start(cTBSocket *Socket);
virtual void Stop(void);
bool Abort(void);
void Activate(bool On);
int Receive(uchar *Data, int Length) { return m_RingBuffer->PutTS(Data, Length); }
void ReportOverflow(int Bytes) { m_RingBuffer->ReportOverflow(Bytes); }
virtual int Put(const uchar *Data, int Count) { return m_SendBuffer->PutTS(Data, Count); }
virtual uchar *Get(int &Count) { return m_SendBuffer->Get(Count); }
virtual void Del(int Count) { m_SendBuffer->Del(Count); }
virtual void Detach(void) {}
virtual void Attach(void) {}
};
inline bool cStreamdevStreamer::Abort(void)
{
return Active() && !m_Writer->Active();
}
#endif // VDR_STREAMDEV_STREAMER_H
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