vdr-plugin-streamdev/server/streamer.h

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/*
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* $Id: streamer.h,v 1.12 2010/07/19 13:49:32 schmirl Exp $
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*/
#ifndef VDR_STREAMDEV_STREAMER_H
#define VDR_STREAMDEV_STREAMER_H
#include <vdr/thread.h>
#include <vdr/ringbuffer.h>
#include <vdr/tools.h>
class cTBSocket;
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class cStreamdevStreamer;
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class cServerConnection;
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#ifndef TS_SIZE
#define TS_SIZE 188
#endif
#define STREAMERBUFSIZE (20000 * TS_SIZE)
#define WRITERBUFSIZE (20000 * 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;
}
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// --- cStreamdevWriter -------------------------------------------------------
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class cStreamdevWriter: public cThread {
private:
cStreamdevStreamer *m_Streamer;
cTBSocket *m_Socket;
protected:
virtual void Action(void);
public:
cStreamdevWriter(cTBSocket *Socket, cStreamdevStreamer *Streamer);
virtual ~cStreamdevWriter();
};
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// --- cStreamdevStreamer -----------------------------------------------------
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class cStreamdevStreamer: public cThread {
private:
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const cServerConnection *m_Connection;
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cStreamdevWriter *m_Writer;
cStreamdevBuffer *m_RingBuffer;
cStreamdevBuffer *m_SendBuffer;
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protected:
virtual void Action(void);
bool IsRunning(void) const { return m_Writer; }
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public:
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cStreamdevStreamer(const char *Name, const cServerConnection *Connection = NULL);
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virtual ~cStreamdevStreamer();
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const cServerConnection* Connection(void) const { return m_Connection; }
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virtual void Start(cTBSocket *Socket);
virtual void Stop(void);
bool Abort(void);
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void Activate(bool On);
int Receive(uchar *Data, int Length) { return m_RingBuffer->PutTS(Data, Length); }
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void ReportOverflow(int Bytes) { m_RingBuffer->ReportOverflow(Bytes); }
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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); }
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virtual void Detach(void) {}
virtual void Attach(void) {}
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};
inline bool cStreamdevStreamer::Abort(void)
{
return Active() && !m_Writer->Active();
}
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#endif // VDR_STREAMDEV_STREAMER_H