vdr-plugin-streamdev/server/livefilter.c

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/*
* $Id: livefilter.c,v 1.7 2009/02/13 13:02:40 schmirl Exp $
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*/
#include "server/livefilter.h"
#include "server/streamer.h"
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#include "common.h"
#ifndef TS_SYNC_BYTE
# define TS_SYNC_BYTE 0x47
#endif
cStreamdevLiveFilter::cStreamdevLiveFilter(cStreamdevStreamer *Streamer) {
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m_Streamer = Streamer;
}
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void cStreamdevLiveFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length)
{
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uchar buffer[TS_SIZE];
int length = Length;
int pos = 0;
while (length > 0) {
int chunk = min(length, TS_SIZE - 5);
buffer[0] = TS_SYNC_BYTE;
buffer[1] = ((Pid >> 8) & 0x3f) | (pos==0 ? 0x40 : 0); /* bit 6: payload unit start indicator (PUSI) */
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buffer[2] = Pid & 0xff;
buffer[3] = Tid;
// this makes it a proprietary stream
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buffer[4] = (uchar)chunk;
memcpy(buffer + 5, Data + pos, chunk);
length -= chunk;
pos += chunk;
int p = m_Streamer->Put(buffer, TS_SIZE);
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if (p != TS_SIZE)
m_Streamer->ReportOverflow(TS_SIZE - p);
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}
}