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scansdt: check dmx

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This commit is contained in:
Jacek Jendrzej
2018-09-25 20:25:30 +02:00
parent 06808405b5
commit f5bc433d7e
1 changed files with 28 additions and 24 deletions
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52
src/zapit/src/scansdt.cpp
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@@ -69,37 +69,41 @@ bool CSdt::PMTPing(unsigned short pid, unsigned short sid)
unsigned char buffer[PMT_SECTION_SIZE];
cDemux * dmx = new cDemux(dmxnum);
dmx->Open(DMX_PSI_CHANNEL);
bool badservice = false;
if(dmx){
dmx->Open(DMX_PSI_CHANNEL);
memset(filter, 0x00, DMX_FILTER_SIZE);
memset(mask, 0x00, DMX_FILTER_SIZE);
memset(filter, 0x00, DMX_FILTER_SIZE);
memset(mask, 0x00, DMX_FILTER_SIZE);
filter[0] = 0x02; /* table_id */
filter[1] = sid >> 8;
filter[2] = sid;
filter[3] = 0x01; /* current_next_indicator */
filter[4] = 0x00; /* section_number */
mask[0] = 0xFF;
mask[1] = 0xFF;
mask[2] = 0xFF;
mask[3] = 0x01;
mask[4] = 0xFF;
if (!dmx->sectionFilter(pid, filter, mask, 1)) {
ret = false;
}else{
if(dmx->Read(buffer, PMT_SECTION_SIZE) > 0){
ProgramMapSection pmt(buffer);
if(0x1fff==pmt.getPcrPid()){
ret = false;
}else{
ret = true;
filter[0] = 0x02; /* table_id */
filter[1] = sid >> 8;
filter[2] = sid;
filter[3] = 0x01; /* current_next_indicator */
filter[4] = 0x00; /* section_number */
mask[0] = 0xFF;
mask[1] = 0xFF;
mask[2] = 0xFF;
mask[3] = 0x01;
mask[4] = 0xFF;
if (!dmx->sectionFilter(pid, filter, mask, 1)) {
ret = false;
}else{
if(dmx->Read(buffer, PMT_SECTION_SIZE) > 0){
ProgramMapSection pmt(buffer);
if(0x1fff==pmt.getPcrPid()){
ret = false;
badservice = false;
}else{
ret = true;
}
}
}
delete dmx;
}
delete dmx;
#ifdef DEBUG_SDT
if(!ret)
printf("Ping: PMT-pid 0%x failed\n", pid);
printf("Ping: PMT-pid 0%x %s\n", pid,badservice ? "not supportet stream type":"failed");
#endif
return ret;
}