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vdr/remux.h
2001-06-03 13:07:20 +02:00

58 lines
1.5 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 1.3 2001/06/02 15:15:43 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
//XXX -> remux.c???
// Start codes:
#define SC_PICTURE 0x00 // "picture header"
#define SC_SEQU 0xB3 // "sequence header"
#define SC_PHEAD 0xBA // "pack header"
#define SC_SHEAD 0xBB // "system header"
#define SC_AUDIO 0xC0
#define SC_VIDEO 0xE0
// 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)
typedef unsigned char uchar;
class cTS2PES;
class cRemux {
private:
bool exitOnFailure;
bool synced;
int skipped;
dvb_pid_t vPid, aPid;
cTS2PES *vTS2PES, *aTS2PES;
uchar resultBuffer[MINVIDEODATA * 4];//XXX
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 APid, bool ExitOnFailure = false);
~cRemux();
void SetAudioPid(int APid);
const uchar *Process(const uchar *Data, int &Count, int &Result, uchar *PictureType = NULL);
};
#endif // __REMUX_H