vdr-plugin-streamdev/server/livefilter.c
schmirl 2e7fe3c337 server_livefilter-add_ts_pusi_flag.patch by Petri Hintukainen
- Add MPEG TS PUSI (payload start indicator) to first
  packet of each section
2007-04-24 11:06:12 +00:00

46 lines
1.0 KiB
C

/*
* $Id: livefilter.c,v 1.4 2007/04/24 11:06:12 schmirl Exp $
*/
#include "server/livefilter.h"
#include "server/streamer.h"
#include "common.h"
#ifndef TS_SIZE
# define TS_SIZE 188
#endif
#ifndef TS_SYNC_BYTE
# define TS_SYNC_BYTE 0x47
#endif
#if VDRVERSNUM >= 10300
cStreamdevLiveFilter::cStreamdevLiveFilter(cStreamdevStreamer *Streamer) {
m_Streamer = Streamer;
}
void cStreamdevLiveFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length)
{
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) */
buffer[2] = Pid & 0xff;
buffer[3] = Tid;
buffer[4] = (uchar)chunk;
memcpy(buffer + 5, Data + pos, chunk);
length -= chunk;
pos += chunk;
int p = m_Streamer->Put(buffer, TS_SIZE);
if (p != TS_SIZE)
m_Streamer->ReportOverflow(TS_SIZE - p);
}
}
#endif // VDRVERSNUM >= 10300