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62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
/*
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* remux.h: A streaming MPEG2 remultiplexer
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*
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: remux.h 1.12 2004/10/15 12:31:16 kls Exp $
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*/
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#ifndef __REMUX_H
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#define __REMUX_H
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#include <time.h> //XXX FIXME: DVB/linux/dvb/dmx.h should include <time.h> itself!!!
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#include <linux/dvb/dmx.h>
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#include "ringbuffer.h"
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#include "tools.h"
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// Picture types:
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#define NO_PICTURE 0
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#define I_FRAME 1
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#define P_FRAME 2
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#define B_FRAME 3
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class cTS2PES;
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class cRemux {
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private:
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bool exitOnFailure;
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int numUPTerrors;
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bool synced;
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int skipped;
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int vPid, aPid1, aPid2, dPid1, dPid2;
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cTS2PES *vTS2PES, *aTS2PES1, *aTS2PES2, *dTS2PES1, *dTS2PES2;
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cRingBufferLinear *resultBuffer;
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int resultSkipped;
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int GetPid(const uchar *Data);
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int GetPacketLength(const uchar *Data, int Count, int Offset);
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int ScanVideoPacket(const uchar *Data, int Count, int Offset, uchar &PictureType);
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public:
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cRemux(int VPid, int APid1, int APid2, int DPid1, int DPid2, bool ExitOnFailure = false);
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~cRemux();
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int Put(const uchar *Data, int Count);
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///< Puts at most Count bytes of Data into the remuxer.
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///< \return Returns the number of bytes actually consumed from Data.
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uchar *Get(int &Count, uchar *PictureType = NULL);
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///< Gets all currently available data from the remuxer.
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///< \return Count contains the number of bytes the result points to, and
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///< PictureType (if not NULL) will contain one of NO_PICTURE, I_FRAME, P_FRAME
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///< or B_FRAME.
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void Del(int Count);
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///< Deletes Count bytes from the remuxer. Count must be the number returned
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///< from a previous call to Get(). Several calls to Del() with fractions of
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///< a previously returned Count may be made, but the total sum of all Count
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///< values must be exactly what the previous Get() has returned.
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void Clear(void);
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///< Clears the remuxer of all data it might still contain, keeping the PID
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///< settings as they are.
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static void SetBrokenLink(uchar *Data, int Length);
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};
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#endif // __REMUX_H
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