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