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#include <lib/service/servicedvbrecord.h>
#include <lib/base/eerror.h>
#include <fcntl.h>
DEFINE_REF(eDVBServiceRecord);
eDVBServiceRecord::eDVBServiceRecord(const eServiceReferenceDVB &ref): m_ref(ref)
{
CONNECT(m_service_handler.serviceEvent, eDVBServiceRecord::serviceEvent);
m_state = stateIdle;
m_want_record = 0;
}
void eDVBServiceRecord::serviceEvent(int event)
{
eDebug("RECORD service event %d", event);
switch (event)
{
case eDVBServicePMTHandler::eventTuned:
{
eDebug("tuned..");
break;
}
case eDVBServicePMTHandler::eventNewProgramInfo:
{
if (m_state == stateIdle)
doPrepare();
else if (m_want_record) /* doRecord can be called from Prepared and Recording state */
doRecord();
break;
}
}
}
RESULT eDVBServiceRecord::prepare()
{
if (m_state == stateIdle)
return m_service_handler.tune(m_ref);
else
return -1;
}
RESULT eDVBServiceRecord::start()
{
m_want_record = 1;
/* when tune wasn't yet successfully, doRecord stays in "prepared"-state which is fine. */
return doRecord();
}
RESULT eDVBServiceRecord::stop()
{
eDebug("stop recording!!");
if (m_state == stateRecording)
{
m_record->stop();
m_state = statePrepared;
}
if (m_state == statePrepared)
{
m_record = 0;
m_state = stateIdle;
}
return 0;
}
int eDVBServiceRecord::doPrepare()
{
/* allocate a ts recorder if we don't already have one. */
if (m_state == stateIdle)
{
::remove("recordings.ts");
int fd = ::open("recording.ts", O_WRONLY|O_CREAT, 0644);
if (fd == -1)
{
eDebug("eDVBServiceRecord - can't open hardcoded recording file!");
return -1;
}
ePtr<iDVBDemux> demux;
if (m_service_handler.getDemux(demux))
{
eDebug("eDVBServiceRecord - NO DEMUX available!");
return -2;
}
demux->createTSRecorder(m_record);
if (!m_record)
{
eDebug("eDVBServiceRecord - no ts recorder available.");
return -3;
}
m_record->setTargetFD(fd);
m_pids_active.clear();
m_state = statePrepared;
} else if ((m_state == statePrepared) || (m_state == stateRecording))
{
/* when we're already recording, we already have a recorder allocated. */
assert(m_record);
}
return 0;
}
int eDVBServiceRecord::doRecord()
{
int err = doPrepare();
if (err)
return err;
eDebug("starting recording..");
eDVBServicePMTHandler::program program;
if (m_service_handler.getProgramInfo(program))
eDebug("getting program info failed.");
else
{
std::set<int> pids_to_record;
eDebugNoNewLine("RECORD: have %d video stream(s)", program.videoStreams.size());
if (!program.videoStreams.empty())
{
eDebugNoNewLine(" (");
for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
i(program.videoStreams.begin());
i != program.videoStreams.end(); ++i)
{
pids_to_record.insert(i->pid);
if (i != program.videoStreams.begin())
eDebugNoNewLine(", ");
eDebugNoNewLine("%04x", i->pid);
}
eDebugNoNewLine(")");
}
eDebugNoNewLine(", and %d audio stream(s)", program.audioStreams.size());
if (!program.audioStreams.empty())
{
eDebugNoNewLine(" (");
for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
i(program.audioStreams.begin());
i != program.audioStreams.end(); ++i)
{
pids_to_record.insert(i->pid);
if (i != program.audioStreams.begin())
eDebugNoNewLine(", ");
eDebugNoNewLine("%04x", i->pid);
}
eDebugNoNewLine(")");
}
eDebug(", and the pcr pid is %04x", program.pcrPid);
if (program.pcrPid != 0x1fff)
pids_to_record.insert(program.pcrPid);
/* find out which pids are NEW and which pids are obsolete.. */
std::set<int> new_pids, obsolete_pids;
std::set_difference(pids_to_record.begin(), pids_to_record.end(),
m_pids_active.begin(), m_pids_active.end(),
std::inserter(new_pids, new_pids.begin()));
std::set_difference(
m_pids_active.begin(), m_pids_active.end(),
pids_to_record.begin(), pids_to_record.end(),
std::inserter(new_pids, new_pids.begin())
);
for (std::set<int>::iterator i(new_pids.begin()); i != new_pids.end(); ++i)
{
eDebug("ADD PID: %04x", *i);
m_record->addPID(*i);
}
for (std::set<int>::iterator i(obsolete_pids.begin()); i != obsolete_pids.end(); ++i)
{
eDebug("REMOVED PID: %04x", *i);
m_record->removePID(*i);
}
if (m_state != stateRecording)
{
m_record->start();
m_state = stateRecording;
}
}
return 0;
}
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