RESULT eDVBScan::nextChannel()
{
ePtr<iDVBFrontend> fe;
m_SDT = 0; m_PAT = 0; m_BAT = 0; m_NIT = 0, m_PMT = 0;
m_ready = 0;
m_pat_tsid = eTransportStreamID();
/* check what we need */
m_ready_all = readySDT;
if (m_flags & scanNetworkSearch)
m_ready_all |= readyNIT;
if (m_flags & scanSearchBAT)
m_ready_all |= readyBAT;
if (m_usePAT)
m_ready_all |= readyPAT;
if (!m_ch_blindscan.empty())
{
/* keep iterating with the same 'channel' till we get a tune failure */
SCAN_eDebug("[eDVBScan] blindscan channel iteration");
m_ch_current = m_ch_blindscan.front();
}
else
{
m_ch_blindscan_result = NULL;
if (m_ch_toScan.empty())
{
SCAN_eDebug("[eDVBScan] no channels left: %zd scanned, %zd unavailable, %zd database.",
m_ch_scanned.size(), m_ch_unavailable.size(), m_new_channels.size());
m_event(evtFinish);
return -ENOENT;
}
m_ch_current = m_ch_toScan.front();
m_ch_toScan.pop_front();
}
if (m_channel->getFrontend(fe))
{
m_event(evtFail);
return -ENOTSUP;
}
m_chid_current = eDVBChannelID();
m_channel_state = iDVBChannel::state_idle;
if (fe->tune(*m_ch_current, !m_ch_blindscan.empty()))
return nextChannel();
m_event(evtUpdate);
return 0;
}
RESULT eDVBScan::nextChannel()
{
ePtr<iDVBFrontend> fe;
m_SDT = 0; m_PAT = 0; m_BAT = 0; m_NIT = 0, m_PMT = 0;
m_ready = 0;
m_pat_tsid = eTransportStreamID();
/* check what we need */
m_ready_all = readySDT;
if (m_flags & scanNetworkSearch)
m_ready_all |= readyNIT;
if (m_flags & scanSearchBAT)
m_ready_all |= readyBAT;
if (m_usePAT)
m_ready_all |= readyPAT;
if (m_ch_toScan.empty())
{
SCAN_eDebug("[eDVBScan] no channels left to scan.");
SCAN_eDebug("[eDVBScan] %zd channels scanned, %zd were unavailable.",
m_ch_scanned.size(), m_ch_unavailable.size());
SCAN_eDebug("[eDVBScan] %zd channels in database.", m_new_channels.size());
m_event(evtFinish);
return -ENOENT;
}
m_ch_current = m_ch_toScan.front();
m_ch_toScan.pop_front();
if (m_channel->getFrontend(fe))
{
m_event(evtFail);
return -ENOTSUP;
}
m_chid_current = eDVBChannelID();
m_channel_state = iDVBChannel::state_idle;
if (fe->tune(*m_ch_current))
return nextChannel();
m_event(evtUpdate);
return 0;
}
void eDVBLocalTimeHandler::readTimeOffsetData( const char* filename )
{
m_timeOffsetMap.clear();
FILE *f=fopen(filename, "r");
if (!f)
return;
char line[256];
fgets(line, 256, f);
while (true)
{
if (!fgets( line, 256, f ))
break;
if (strstr(line, "Transponder UTC Time Offsets\n"))
continue;
int dvbnamespace,tsid,onid,offs;
if ( sscanf( line, "%08x,%04x,%04x:%d\n",&dvbnamespace,&tsid,&onid,&offs ) == 4 )
m_timeOffsetMap[eDVBChannelID(dvbnamespace,tsid,onid)]=offs;
}
fclose(f);
}
