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vdr/remux.h
2001-06-14 15:57:30 +02:00

51 lines
1.4 KiB
C++

/*
* 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 1.4 2001/06/14 15:27:07 kls Exp $
*/
#ifndef __REMUX_H
#define __REMUX_H
#include <time.h> //XXX FIXME: DVB/ost/include/ost/dmx.h should include <time.h> itself!!!
#include <ost/dmx.h>
// Picture types:
#define NO_PICTURE 0
#define I_FRAME 1
#define P_FRAME 2
#define B_FRAME 3
// The minimum amount of video data necessary to identify frames:
#define MINVIDEODATA (16*1024) // just a safe guess (max. size of any frame block, plus some safety)
#define RESULTBUFFERSIZE (MINVIDEODATA * 4)
typedef unsigned char uchar;
class cTS2PES;
class cRemux {
private:
bool exitOnFailure;
bool synced;
int skipped;
dvb_pid_t vPid, aPid1, aPid2;
cTS2PES *vTS2PES, *aTS2PES1, *aTS2PES2;
uchar resultBuffer[RESULTBUFFERSIZE];
int resultCount;
int resultDelivered;
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(dvb_pid_t VPid, dvb_pid_t APid1, dvb_pid_t APid2 = 0, bool ExitOnFailure = false);
~cRemux();
void SetAudioPid(int APid);
const uchar *Process(const uchar *Data, int &Count, int &Result, uchar *PictureType = NULL);
};
#endif // __REMUX_H