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58 lines
1.5 KiB
C++
58 lines
1.5 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 1.3 2001/06/02 15:15:43 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/ost/include/ost/dmx.h should include <time.h> itself!!!
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#include <ost/dmx.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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//XXX -> remux.c???
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// Start codes:
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#define SC_PICTURE 0x00 // "picture header"
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#define SC_SEQU 0xB3 // "sequence header"
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#define SC_PHEAD 0xBA // "pack header"
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#define SC_SHEAD 0xBB // "system header"
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#define SC_AUDIO 0xC0
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#define SC_VIDEO 0xE0
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// The minimum amount of video data necessary to identify frames:
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#define MINVIDEODATA (16*1024) // just a safe guess (max. size of any frame block, plus some safety)
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typedef unsigned char uchar;
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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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bool synced;
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int skipped;
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dvb_pid_t vPid, aPid;
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cTS2PES *vTS2PES, *aTS2PES;
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uchar resultBuffer[MINVIDEODATA * 4];//XXX
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int resultCount;
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int resultDelivered;
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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(dvb_pid_t VPid, dvb_pid_t APid, bool ExitOnFailure = false);
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~cRemux();
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void SetAudioPid(int APid);
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const uchar *Process(const uchar *Data, int &Count, int &Result, uchar *PictureType = NULL);
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};
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#endif // __REMUX_H
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