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zapit/src/scannit.cpp: parse network descriptors

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[CST] Focus
2012-03-18 17:30:32 +04:00
parent 5ff235027f
commit f9262a20b1
1 changed files with 70 additions and 33 deletions
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103
src/zapit/src/scannit.cpp
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@@ -25,6 +25,7 @@
#include <zapit/scan.h>
#include <dvbsi++/descriptor_tag.h>
#include <dvbsi++/network_name_descriptor.h>
#include <dvbsi++/linkage_descriptor.h>
#include <math.h>
#include <eitd/edvbstring.h>
@@ -51,8 +52,8 @@ CNit::~CNit()
bool CNit::Start()
{
int ret = start();
return (ret == 0);
int ret = start();
return (ret == 0);
}
bool CNit::Stop()
@@ -158,58 +159,94 @@ bool CNit::Parse()
NetworkInformationSectionIterator sit;
for (sit = sections.begin(); sit != sections.end(); ++sit) {
NetworkInformationSection * nit = *sit;
const TransportStreamInfoList *tslist = nit->getTsInfo();
if (CServiceScan::getInstance()->Aborted())
return false;
for(TransportStreamInfoConstIterator tit = tslist->begin(); tit != tslist->end(); ++tit) {
TransportStreamInfo * tsinfo = *tit;
const DescriptorList * dlist = tsinfo->getDescriptors();
#if 0
printf("NIT: tsid %04x onid %04x %d descriptors\n", tsinfo->getTransportStreamId(),
tsinfo->getOriginalNetworkId(), dlist->size());
const DescriptorList * dlist = nit->getDescriptors();
DescriptorConstIterator dit;
#ifdef DEBUG_NIT
printf("NIT: section %d, %d descriptors\n", nit->getSectionNumber(), dlist->size());
#endif
DescriptorConstIterator dit;
for (dit = dlist->begin(); dit != dlist->end(); ++dit) {
Descriptor * d = *dit;
switch(d->getTag()) {
case SATELLITE_DELIVERY_SYSTEM_DESCRIPTOR:
ParseSatelliteDescriptor((SatelliteDeliverySystemDescriptor *)d, tsinfo);
break;
case CABLE_DELIVERY_SYSTEM_DESCRIPTOR:
ParseCableDescriptor((CableDeliverySystemDescriptor *)d, tsinfo);
break;
case SERVICE_LIST_DESCRIPTOR:
ParseServiceList((ServiceListDescriptor *) d, tsinfo);
break;
case LOGICAL_CHANNEL_DESCRIPTOR:
ParseLogicalChannels((LogicalChannelDescriptor *) d, tsinfo);
break;
for (dit = dlist->begin(); dit != dlist->end(); ++dit) {
Descriptor * d = *dit;
switch(d->getTag()) {
case NETWORK_NAME_DESCRIPTOR:
{
#ifdef DEBUG_NIT
NetworkNameDescriptor * nd = (NetworkNameDescriptor *) d;
int tsidonid = (tsinfo->getTransportStreamId() << 16) | tsinfo->getOriginalNetworkId();
std::string networkName = stringDVBUTF8(nd->getNetworkName(), 0, tsidonid);
std::string networkName = stringDVBUTF8(nd->getNetworkName());
printf("NIT: network name [%s]\n", networkName.c_str());
#endif
}
break;
case LINKAGE_DESCRIPTOR:
{
#ifdef DEBUG_NIT
LinkageDescriptor * ld = (LinkageDescriptor*) d;
printf("NIT: linkage, tsid %04x onid %04x sid %04x type %02x\n", ld->getTransportStreamId(),
ld->getOriginalNetworkId(), ld->getServiceId(), ld->getLinkageType());
#endif
}
break;
default:
{
#ifdef DEBUG_NIT_UNUSED
printf("NIT: descriptor %02x: ", d->getTag());
printf("NIT net loop: descriptor %02x len %d: ", d->getTag(), d->getLength());
#if 0
uint8_t len = 2+d->getLength();
uint8_t buf[len];
d->writeToBuffer(buf);
for(uint8_t i = 0; i < len; i++)
printf("%02x ", buf[i]);
#endif
printf("\n");
#endif
}
break;
}
}
const TransportStreamInfoList *tslist = nit->getTsInfo();
for(TransportStreamInfoConstIterator tit = tslist->begin(); tit != tslist->end(); ++tit) {
TransportStreamInfo * tsinfo = *tit;
dlist = tsinfo->getDescriptors();
#if 0
printf("NIT: tsid %04x onid %04x %d descriptors\n", tsinfo->getTransportStreamId(),
tsinfo->getOriginalNetworkId(), dlist->size());
#endif
//DescriptorConstIterator dit;
for (dit = dlist->begin(); dit != dlist->end(); ++dit) {
Descriptor * d = *dit;
switch(d->getTag()) {
case SATELLITE_DELIVERY_SYSTEM_DESCRIPTOR:
ParseSatelliteDescriptor((SatelliteDeliverySystemDescriptor *)d, tsinfo);
break;
case CABLE_DELIVERY_SYSTEM_DESCRIPTOR:
ParseCableDescriptor((CableDeliverySystemDescriptor *)d, tsinfo);
break;
case SERVICE_LIST_DESCRIPTOR:
ParseServiceList((ServiceListDescriptor *) d, tsinfo);
break;
case LOGICAL_CHANNEL_DESCRIPTOR:
ParseLogicalChannels((LogicalChannelDescriptor *) d, tsinfo);
break;
break;
default:
{
#ifdef DEBUG_NIT_UNUSED
printf("NIT TS loop: descriptor %02x: ", d->getTag());
uint8_t len = 2+d->getLength();
uint8_t buf[len];
d->writeToBuffer(buf);
for(uint8_t i = 0; i < len; i++)
printf("%02x ", buf[i]);
printf("\n");
#endif
}
break;
}
}
}
@@ -311,10 +348,10 @@ bool CNit::ParseLogicalChannels(LogicalChannelDescriptor * ld, TransportStreamIn
/* FIXME dont use freq_id / satellitePosition ? */
t_channel_id channel_id = CZapitChannel::makeChannelId(satellitePosition,
freq_id, transport_stream_id, original_network_id, service_id);
// (*it)->getVisibleServiceFlag();
/* (*it)->getVisibleServiceFlag(); */
logical_map[channel_id] = lcn;
#ifdef DEBUG_LCN
printf("NIT: lcn tsid %04x onid %04x %llx -> %d\n", transport_stream_id, original_network_id, channel_id, lcn);
printf("NIT: logical channel tsid %04x onid %04x %llx -> %d\n", transport_stream_id, original_network_id, channel_id, lcn);
#endif
}
return true;