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/*
* demux.cpp: A plugin for the Video Disk Recorder
*
* See the README file for copyright information and how to reach the author.
*
* $Id$
*/
#include "demux.h"
cMarkAdDemux::cMarkAdDemux()
{
ts2pes=new cMarkAdTS2PES();
pes2audioes=NULL;
pespkt=NULL;
pesptr=NULL;
peslen=0;
}
cMarkAdDemux::~cMarkAdDemux()
{
if (ts2pes) delete ts2pes;
if (pes2audioes) delete pes2audioes;
}
int cMarkAdDemux::Process(MarkAdPid Pid, uchar *Data, int Count, uchar **Pkt, int *PktLen)
{
if ((!Data) && (!Count) && (!ts2pes) && (!pes2audioes) ||
(!Pkt) || (!PktLen) || (!Pid.Num)) return -1;
*Pkt=NULL;
*PktLen=0;
int len=-1; // we don't want loops
if (!peslen)
{
len=ts2pes->Process(Pid,Data,Count,&pespkt,&peslen);
}
if (pespkt)
{
if ((((pespkt[3]>=0xc0) && (pespkt[3]<=0xDF)) || (pespkt[3]==0xBD))
&& (!pesptr))
{
if (!pes2audioes)
{
pes2audioes=new cMarkAdPES2AudioES();
}
if (pes2audioes)
{
pesptr=pespkt;
}
else
{
pesptr=NULL;
}
}
if (pesptr)
{
if (len==-1) len=0;
uchar *esdata;
int essize;
while (peslen>0)
{
int len2=pes2audioes->Process(pesptr,peslen,&esdata,&essize);
if (len2<0)
{
break;
}
else
{
if (esdata)
{
*Pkt=esdata;
*PktLen=essize;
}
pesptr+=len2;
peslen-=len2;
if (!peslen) pesptr=NULL;
break;
}
}
}
else
{
*Pkt=pespkt;
*PktLen=peslen;
pespkt=pesptr=NULL;
peslen=0;
}
}
return len;
}
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