tv_rec.cpp

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// C headers
#include <chrono> // for milliseconds
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <sched.h> // for sched_yield
#include <thread> // for sleep_for
#include <utility>
 
// MythTV headers
 
#include "compat.h"
#include "previewgeneratorqueue.h"
#include "dtvsignalmonitor.h"
#include "recordingprofile.h"
#include "mythcorecontext.h"
#include "mythsystemevent.h"
#include "atscstreamdata.h"
#include "dvbstreamdata.h"
#include "recordingrule.h"
#include "channelgroup.h"
#include "storagegroup.h"
#include "tvremoteutil.h"
#include "dtvrecorder.h"
#include "livetvchain.h"
#include "programinfo.h"
#include "mythlogging.h"
#include "channelbase.h"
#include "atsctables.h"
#include "dtvchannel.h"
#include "eitscanner.h"
#include "mythconfig.h"
#include "remoteutil.h"
#include "io/mythmediabuffer.h"
#include "v4lchannel.h"
#include "cardutil.h"
#include "jobqueue.h"
#include "mythdb.h"
#include "tv_rec.h"
#include "mythdate.h"
#include "osd.h"
#include "../vboxutils.h"
 
#define DEBUG_CHANNEL_PREFIX 0 
#define LOC QString("TVRec[%1]: ").arg(m_inputId)
#define LOC2 QString("TVRec[%1]: ").arg(inputid) // for static functions
 
const uint TVRec::kSignalMonitoringRate = 50; /* msec */
 
QReadWriteLock    TVRec::s_inputsLock;
QMap<uint,TVRec*> TVRec::s_inputs;
 
static bool is_dishnet_eit(uint inputid);
static int init_jobs(const RecordingInfo *rec, RecordingProfile &profile,
                     bool on_host, bool transcode_bfr_comm, bool on_line_comm);
static void apply_broken_dvb_driver_crc_hack(ChannelBase* /*c*/, MPEGStreamData* /*s*/);
static int eit_start_rand(int eitTransportTimeout);
 
TVRec::TVRec(int inputid)
      // Various threads
    : m_eventThread(new MThread("TVRecEvent", this)),
      // Configuration variables from setup routines
      m_inputId(inputid)
{
    s_inputs[m_inputId] = this;
}
 
bool TVRec::CreateChannel(const QString &startchannel,
                          bool enter_power_save_mode)
{
    LOG(VB_CHANNEL, LOG_INFO, LOC + QString("CreateChannel(%1)")
        .arg(startchannel));
    // If this recorder is a child and its parent is not in error, we
    // do not need nor want to set the channel.
    bool setchan = true;
    if (m_parentId)
    {
        TVRec *parentTV = GetTVRec(m_parentId);
        if (parentTV && parentTV->GetState() == kState_Error)
            setchan = false;
    }
    m_channel = ChannelBase::CreateChannel(
        this, m_genOpt, m_dvbOpt, m_fwOpt,
        startchannel, enter_power_save_mode, m_rbFileExt, setchan);
 
    if (m_genOpt.m_inputType == "VBOX")
    {
        if (!CardUtil::IsVBoxPresent(m_inputId))
        {
            // VBOX presence failed, recorder is marked errored
            LOG(VB_GENERAL, LOG_ERR, LOC +
                QString("CreateChannel(%1) failed due to VBOX not responding "
                        "to network check on inputid [%2]")
                .arg(startchannel).arg(m_inputId));
            m_channel = nullptr;
        }
    }
 
    if (!m_channel)
    {
        SetFlags(kFlagErrored, __FILE__, __LINE__);
        return false;
    }
 
    return true;
}
 
bool TVRec::Init(void)
{
    QMutexLocker lock(&m_stateChangeLock);
 
    if (!GetDevices(m_inputId, m_parentId, m_genOpt, m_dvbOpt, m_fwOpt))
        return false;
 
    SetRecordingStatus(RecStatus::Unknown, __LINE__);
 
    // configure the Channel instance
    QString startchannel = GetStartChannel(m_inputId);
    if (!CreateChannel(startchannel, true))
        return false;
 
    m_transcodeFirst    =
        gCoreContext->GetBoolSetting("AutoTranscodeBeforeAutoCommflag", false);
    m_earlyCommFlag     = gCoreContext->GetBoolSetting("AutoCommflagWhileRecording", false);
    m_runJobOnHostOnly  = gCoreContext->GetBoolSetting("JobsRunOnRecordHost", false);
    m_eitTransportTimeout =
        max(gCoreContext->GetNumSetting("EITTransportTimeout", 5) * 60, 6);
    m_eitCrawlIdleStart = gCoreContext->GetNumSetting("EITCrawIdleStart", 60);
    m_audioSampleRateDB = gCoreContext->GetNumSetting("AudioSampleRate");
    m_overRecordSecNrml = gCoreContext->GetNumSetting("RecordOverTime");
    m_overRecordSecCat  = gCoreContext->GetNumSetting("CategoryOverTime") * 60;
    m_overRecordCategory= gCoreContext->GetSetting("OverTimeCategory");
 
    m_eventThread->start();
 
    WaitForEventThreadSleep();
 
    return true;
}
 
TVRec::~TVRec()
{
    s_inputs.remove(m_inputId);
 
    if (HasFlags(kFlagRunMainLoop))
    {
        ClearFlags(kFlagRunMainLoop, __FILE__, __LINE__);
        m_eventThread->wait();
        delete m_eventThread;
        m_eventThread = nullptr;
    }
 
    if (m_channel)
    {
        delete m_channel;
        m_channel = nullptr;
    }
}
 
void TVRec::TeardownAll(void)
{
    LOG(VB_RECORD, LOG_INFO, LOC + "TeardownAll");
 
    TeardownSignalMonitor();
 
    if (m_scanner)
    {
        delete m_scanner;
        m_scanner = nullptr;
    }
 
    TeardownRecorder(kFlagKillRec);
 
    SetRingBuffer(nullptr);
}
 
void TVRec::WakeEventLoop(void)
{
    QMutexLocker locker(&m_triggerEventLoopLock);
    m_triggerEventLoopSignal = true;
    m_triggerEventLoopWait.wakeAll();
}
 
TVState TVRec::GetState(void) const
{
    if (m_changeState)
        return kState_ChangingState;
    return m_internalState;
}
 
ProgramInfo *TVRec::GetRecording(void)
{
    QMutexLocker lock(&m_stateChangeLock);
 
    ProgramInfo *tmppginfo = nullptr;
 
    if (m_curRecording && !m_changeState)
    {
        tmppginfo = new ProgramInfo(*m_curRecording);
        tmppginfo->SetRecordingStatus(RecStatus::Recording);
    }
    else
        tmppginfo = new ProgramInfo();
    tmppginfo->SetInputID(m_inputId);
 
    return tmppginfo;
}
 
void TVRec::RecordPending(const ProgramInfo *rcinfo, int secsleft,
                          bool hasLater)
{
    QMutexLocker statelock(&m_stateChangeLock);
    QMutexLocker pendlock(&m_pendingRecLock);
 
    if (secsleft < 0)
    {
        LOG(VB_RECORD, LOG_INFO, LOC + "Pending recording revoked on " +
            QString("inputid [%1]").arg(rcinfo->GetInputID()));
 
        PendingMap::iterator it = m_pendingRecordings.find(rcinfo->GetInputID());
        if (it != m_pendingRecordings.end())
        {
            (*it).m_ask = false;
            (*it).m_doNotAsk = (*it).m_canceled = true;
        }
        return;
    }
 
    LOG(VB_RECORD, LOG_INFO, LOC +
        QString("RecordPending on inputid [%1]").arg(rcinfo->GetInputID()));
 
    PendingInfo pending;
    pending.m_info            = new ProgramInfo(*rcinfo);
    pending.m_recordingStart  = MythDate::current().addSecs(secsleft);
    pending.m_hasLaterShowing = hasLater;
    pending.m_ask             = true;
    pending.m_doNotAsk        = false;
 
    m_pendingRecordings[rcinfo->GetInputID()] = pending;
 
    // If this isn't a recording for this instance to make, we are done
    if (rcinfo->GetInputID() != m_inputId)
        return;
 
    // We also need to check our input groups
    vector<uint> inputids = CardUtil::GetConflictingInputs(
        rcinfo->GetInputID());
 
    m_pendingRecordings[rcinfo->GetInputID()].m_possibleConflicts = inputids;
 
    pendlock.unlock();
    statelock.unlock();
    for (uint inputid : inputids)
        RemoteRecordPending(inputid, rcinfo, secsleft, hasLater);
    statelock.relock();
    pendlock.relock();
}
 
void TVRec::SetPseudoLiveTVRecording(RecordingInfo *pi)
{
    RecordingInfo *old_rec = m_pseudoLiveTVRecording;
    m_pseudoLiveTVRecording = pi;
    delete old_rec;
}
 
QDateTime TVRec::GetRecordEndTime(const ProgramInfo *pi) const
{
    bool spcat = (!m_overRecordCategory.isEmpty() &&
                  pi->GetCategory() == m_overRecordCategory);
    int secs = (spcat) ? m_overRecordSecCat : m_overRecordSecNrml;
    return pi->GetRecordingEndTime().addSecs(secs);
}
 
void TVRec::CancelNextRecording(bool cancel)
{
    QMutexLocker pendlock(&m_pendingRecLock);
    LOG(VB_RECORD, LOG_INFO, LOC +
        QString("CancelNextRecording(%1) -- begin").arg(cancel));
 
    PendingMap::iterator it = m_pendingRecordings.find(m_inputId);
    if (it == m_pendingRecordings.end())
    {
        LOG(VB_RECORD, LOG_INFO, LOC + QString("CancelNextRecording(%1) -- "
                "error, unknown recording").arg(cancel));
        return;
    }
 
    if (cancel)
    {
        vector<uint> &inputids = (*it).m_possibleConflicts;
        for (uint inputid : inputids)
        {
            LOG(VB_RECORD, LOG_INFO, LOC +
                QString("CancelNextRecording -- inputid 0x%1")
                    .arg((uint64_t)inputid,0,16));
 
            pendlock.unlock();
            RemoteRecordPending(inputid, (*it).m_info, -1, false);
            pendlock.relock();
        }
 
        LOG(VB_RECORD, LOG_INFO, LOC +
            QString("CancelNextRecording -- inputid [%1]")
                           .arg(m_inputId));
 
        RecordPending((*it).m_info, -1, false);
    }
    else
    {
        (*it).m_canceled = false;
    }
 
    LOG(VB_RECORD, LOG_INFO, LOC +
        QString("CancelNextRecording(%1) -- end").arg(cancel));
}
 
RecStatus::Type TVRec::StartRecording(ProgramInfo *pginfo)
{
    RecordingInfo ri1(*pginfo);
    ri1.SetDesiredStartTime(ri1.GetRecordingStartTime());
    ri1.SetDesiredEndTime(ri1.GetRecordingEndTime());
    RecordingInfo *rcinfo = &ri1;
 
    LOG(VB_RECORD, LOG_INFO, LOC + QString("StartRecording(%1)")
            .arg(rcinfo->toString(ProgramInfo::kTitleSubtitle)));
 
    QMutexLocker lock(&m_stateChangeLock);
    QString msg("");
 
    if (m_recStatus != RecStatus::Failing)
        SetRecordingStatus(RecStatus::Aborted, __LINE__);
 
    // Flush out any pending state changes
    WaitForEventThreadSleep();
 
    // We need to do this check early so we don't cancel an overrecord
    // that we're trying to extend.
    if (m_internalState != kState_WatchingLiveTV &&
        m_recStatus != RecStatus::Failing &&
        m_curRecording && m_curRecording->IsSameProgramWeakCheck(*rcinfo))
    {
        int post_roll_seconds  = m_curRecording->GetRecordingEndTime()
            .secsTo(m_recordEndTime);
 
        m_curRecording->SetRecordingRuleType(rcinfo->GetRecordingRuleType());
        m_curRecording->SetRecordingRuleID(rcinfo->GetRecordingRuleID());
        m_curRecording->SetRecordingEndTime(rcinfo->GetRecordingEndTime());
        m_curRecording->UpdateRecordingEnd();
 
        m_recordEndTime = m_curRecording->GetRecordingEndTime()
            .addSecs(post_roll_seconds);
 
        msg = QString("updating recording: %1 %2 %3 %4")
            .arg(m_curRecording->GetTitle()).arg(m_curRecording->GetChanID())
            .arg(m_curRecording->GetRecordingStartTime(MythDate::ISODate))
            .arg(m_curRecording->GetRecordingEndTime(MythDate::ISODate));
        LOG(VB_RECORD, LOG_INFO, LOC + msg);
 
        ClearFlags(kFlagCancelNextRecording, __FILE__, __LINE__);
 
        SetRecordingStatus(RecStatus::Recording, __LINE__);
        return RecStatus::Recording;
    }
 
    bool cancelNext = false;
    PendingInfo pendinfo;
    PendingMap::iterator it;
 
    m_pendingRecLock.lock();
    if ((it = m_pendingRecordings.find(m_inputId)) != m_pendingRecordings.end())
    {
        (*it).m_ask = (*it).m_doNotAsk = false;
        cancelNext  = (*it).m_canceled;
    }
    m_pendingRecLock.unlock();
 
    // Flush out events...
    WaitForEventThreadSleep();
 
    // Rescan pending recordings since the event loop may have deleted
    // a stale entry.  If this happens the info pointer will not be valid
    // since the HandlePendingRecordings loop will have deleted it.
    m_pendingRecLock.lock();
    it = m_pendingRecordings.find(m_inputId);
    bool has_pending = (it != m_pendingRecordings.end());
    if (has_pending)
        pendinfo = *it;
    m_pendingRecLock.unlock();
 
    // If the needed input is in a shared input group, and we are
    // not canceling the recording anyway, check other recorders
    if (!cancelNext && has_pending && !pendinfo.m_possibleConflicts.empty())
    {
        LOG(VB_RECORD, LOG_INFO, LOC +
            "Checking input group recorders - begin");
        vector<uint> &inputids = pendinfo.m_possibleConflicts;
 
        uint mplexid = 0;
        uint chanid = 0;
        uint sourceid = 0;
        vector<uint> inputids2;
        vector<TVState> states;
 
        // Stop remote recordings if needed
        for (uint inputid : inputids)
        {
            InputInfo busy_input;
            bool is_busy = RemoteIsBusy(inputid, busy_input);
 
            if (is_busy && !sourceid)
            {
                mplexid  = pendinfo.m_info->QueryMplexID();
                chanid   = pendinfo.m_info->GetChanID();
                sourceid = pendinfo.m_info->GetSourceID();
            }
 
            if (is_busy &&
                ((sourceid != busy_input.m_sourceId) ||
                 (mplexid  != busy_input.m_mplexId) ||
                 ((mplexid == 0 || mplexid == 32767) &&
                  chanid != busy_input.m_chanId)))
            {
                states.push_back((TVState) RemoteGetState(inputid));
                inputids2.push_back(inputid);
            }
        }
 
        bool ok = true;
        for (uint i = 0; (i < inputids2.size()) && ok; i++)
        {
            LOG(VB_RECORD, LOG_INFO, LOC +
                QString("Attempting to stop input [%1] in state %2")
                    .arg(inputids2[i]).arg(StateToString(states[i])));
 
            bool success = RemoteStopRecording(inputids2[i]);
            if (success)
            {
                uint state = RemoteGetState(inputids2[i]);
                LOG(VB_GENERAL, LOG_INFO, LOC + QString("a [%1]: %2")
                        .arg(inputids2[i]).arg(StateToString((TVState)state)));
                success = (kState_None == state);
            }
 
            // If we managed to stop LiveTV recording, restart playback..
            if (success && states[i] == kState_WatchingLiveTV)
            {
                QString message = QString("QUIT_LIVETV %1").arg(inputids2[i]);
                MythEvent me(message);
                gCoreContext->dispatch(me);
            }
 
            LOG(VB_RECORD, LOG_INFO, LOC +
                QString("Stopping recording on [%1], %2") .arg(inputids2[i])
                    .arg(success ? "succeeded" : "failed"));
 
            ok &= success;
        }
 
        // If we failed to stop the remote recordings, don't record
        if (!ok)
        {
            CancelNextRecording(true);
            cancelNext = true;
        }
 
        inputids.clear();
 
        LOG(VB_RECORD, LOG_INFO, LOC + "Checking input group recorders - done");
    }
 
    bool did_switch = false;
    if (!cancelNext && (GetState() == kState_RecordingOnly))
    {
        RecordingInfo *ri2 = SwitchRecordingRingBuffer(*rcinfo);
        did_switch = (nullptr != ri2);
        if (did_switch)
        {
            // Make sure scheduler is allowed to end this recording
            ClearFlags(kFlagCancelNextRecording, __FILE__, __LINE__);
 
            SetRecordingStatus(RecStatus::Recording, __LINE__);
        }
        else
        {
            // If in post-roll, end recording
            m_stateChangeLock.unlock();
            StopRecording();
            m_stateChangeLock.lock();
        }
    }
 
    if (!cancelNext && (GetState() == kState_None))
    {
        if (m_tvChain)
        {
            QString message = QString("LIVETV_EXITED");
            MythEvent me(message, m_tvChain->GetID());
            gCoreContext->dispatch(me);
            m_tvChain->DecrRef();
            m_tvChain = nullptr;
        }
 
        m_recordEndTime = GetRecordEndTime(rcinfo);
 
        // Tell event loop to begin recording.
        m_curRecording = new RecordingInfo(*rcinfo);
        m_curRecording->MarkAsInUse(true, kRecorderInUseID);
        StartedRecording(m_curRecording);
        pginfo->SetRecordingID(m_curRecording->GetRecordingID());
        pginfo->SetRecordingStartTime(m_curRecording->GetRecordingStartTime());
 
        // Make sure scheduler is allowed to end this recording
        ClearFlags(kFlagCancelNextRecording, __FILE__, __LINE__);
 
        if (m_recStatus != RecStatus::Failing)
            SetRecordingStatus(RecStatus::Tuning, __LINE__);
        else
            LOG(VB_RECORD, LOG_WARNING, LOC + "Still failing.");
        ChangeState(kState_RecordingOnly);
    }
    else if (!cancelNext && (GetState() == kState_WatchingLiveTV))
    {
        SetPseudoLiveTVRecording(new RecordingInfo(*rcinfo));
        m_recordEndTime = GetRecordEndTime(rcinfo);
        SetRecordingStatus(RecStatus::Recording, __LINE__);
 
        // We want the frontend to change channel for recording
        // and disable the UI for channel change, PiP, etc.
 
        QString message = QString("LIVETV_WATCH %1 1").arg(m_inputId);
        QStringList prog;
        rcinfo->ToStringList(prog);
        MythEvent me(message, prog);
        gCoreContext->dispatch(me);
    }
    else if (!did_switch)
    {
        msg = QString("Wanted to record: %1 %2 %3 %4\n\t\t\t")
            .arg(rcinfo->GetTitle()).arg(rcinfo->GetChanID())
            .arg(rcinfo->GetRecordingStartTime(MythDate::ISODate))
            .arg(rcinfo->GetRecordingEndTime(MythDate::ISODate));
 
        if (cancelNext)
        {
            msg += "But a user has canceled this recording";
            SetRecordingStatus(RecStatus::Cancelled, __LINE__);
        }
        else
        {
            msg += QString("But the current state is: %1")
                .arg(StateToString(m_internalState));
            SetRecordingStatus(RecStatus::TunerBusy, __LINE__);
        }
 
        if (m_curRecording && m_internalState == kState_RecordingOnly)
        {
            msg += QString("\n\t\t\tCurrently recording: %1 %2 %3 %4")
                .arg(m_curRecording->GetTitle()).arg(m_curRecording->GetChanID())
                .arg(m_curRecording->GetRecordingStartTime(MythDate::ISODate))
                .arg(m_curRecording->GetRecordingEndTime(MythDate::ISODate));
        }
 
        LOG(VB_GENERAL, LOG_INFO, LOC + msg);
    }
 
    for (const auto & pend : qAsConst(m_pendingRecordings))
        delete pend.m_info;
    m_pendingRecordings.clear();
 
    if (!did_switch)
    {
        WaitForEventThreadSleep();
 
        QMutexLocker locker(&m_pendingRecLock);
        if ((m_curRecording) &&
            (m_curRecording->GetRecordingStatus() == RecStatus::Failed) &&
            (m_recStatus == RecStatus::Recording ||
             m_recStatus == RecStatus::Tuning ||
             m_recStatus == RecStatus::Failing))
        {
            SetRecordingStatus(RecStatus::Failed, __LINE__, true);
        }
        return m_recStatus;
    }
 
    return GetRecordingStatus();
}
 
RecStatus::Type TVRec::GetRecordingStatus(void) const
{
    QMutexLocker pendlock(&m_pendingRecLock);
    return m_recStatus;
}
 
void TVRec::SetRecordingStatus(
    RecStatus::Type new_status, int line, bool have_lock)
{
    RecStatus::Type old_status = RecStatus::Unknown;
    if (have_lock)
    {
        old_status = m_recStatus;
        m_recStatus = new_status;
    }
    else
    {
        m_pendingRecLock.lock();
        old_status = m_recStatus;
        m_recStatus = new_status;
        m_pendingRecLock.unlock();
    }
 
    LOG(VB_RECORD, LOG_INFO, LOC +
        QString("SetRecordingStatus(%1->%2) on line %3")
        .arg(RecStatus::toString(old_status, kSingleRecord))
        .arg(RecStatus::toString(new_status, kSingleRecord))
        .arg(line));
}
 
void TVRec::StopRecording(bool killFile)
{
    if (StateIsRecording(GetState()))
    {
        QMutexLocker lock(&m_stateChangeLock);
        if (killFile)
            SetFlags(kFlagKillRec, __FILE__, __LINE__);
        else if (m_curRecording)
        {
            QDateTime now = MythDate::current(true);
            if (now < m_curRecording->GetDesiredEndTime())
                m_curRecording->SetDesiredEndTime(now);
        }
        ChangeState(RemoveRecording(GetState()));
        // wait for state change to take effect
        WaitForEventThreadSleep();
        ClearFlags(kFlagCancelNextRecording|kFlagKillRec, __FILE__, __LINE__);
 
        SetRecordingStatus(RecStatus::Unknown, __LINE__);
    }
}
 
bool TVRec::StateIsRecording(TVState state)
{
    return (state == kState_RecordingOnly ||
            state == kState_WatchingLiveTV);
}
 
bool TVRec::StateIsPlaying(TVState state)
{
    return (state == kState_WatchingPreRecorded);
}
 
TVState TVRec::RemoveRecording(TVState state) const
{
    if (StateIsRecording(state))
        return kState_None;
 
    LOG(VB_GENERAL, LOG_ERR, LOC +
        QString("Unknown state in RemoveRecording: %1")
            .arg(StateToString(state)));
    return kState_Error;
}
 
TVState TVRec::RemovePlaying(TVState state) const
{
    if (StateIsPlaying(state))
    {
        if (state == kState_WatchingPreRecorded)
            return kState_None;
        return kState_RecordingOnly;
    }
 
    QString msg = "Unknown state in RemovePlaying: %1";
    LOG(VB_GENERAL, LOG_ERR, LOC + msg.arg(StateToString(state)));
 
    return kState_Error;
}
 
void TVRec::StartedRecording(RecordingInfo *curRec)
{
    if (!curRec)
        return;
 
    curRec->StartedRecording(m_rbFileExt);
    LOG(VB_RECORD, LOG_INFO, LOC + QString("StartedRecording(%1) fn(%2)")
        .arg(curRec->MakeUniqueKey()).arg(curRec->GetPathname()));
 
    if (curRec->IsCommercialFree())
        curRec->SaveCommFlagged(COMM_FLAG_COMMFREE);
 
    AutoRunInitType t = (curRec->GetRecordingGroup() == "LiveTV") ?
        kAutoRunNone : kAutoRunProfile;
    InitAutoRunJobs(curRec, t, nullptr, __LINE__);
 
    SendMythSystemRecEvent("REC_STARTED", curRec);
}
 
void TVRec::FinishedRecording(RecordingInfo *curRec, RecordingQuality *recq)
{
    if (!curRec)
        return;
 
    // Make sure the recording group is up to date
    const QString recgrp = curRec->QueryRecordingGroup();
    curRec->SetRecordingGroup(recgrp);
 
    bool is_good = true;
    if (recq)
    {
        LOG((recq->IsDamaged()) ? VB_GENERAL : VB_RECORD, LOG_INFO,
            LOC + QString("FinishedRecording(%1) %2 recq:%3\n")
            .arg(curRec->MakeUniqueKey())
            .arg((recq->IsDamaged()) ? "damaged" : "good")
            .arg(recq->toStringXML()));
        is_good = !recq->IsDamaged();
        delete recq;
        recq = nullptr;
    }
 
    RecStatus::Type ors = curRec->GetRecordingStatus();
    // Set the final recording status
    if (curRec->GetRecordingStatus() == RecStatus::Recording)
        curRec->SetRecordingStatus(RecStatus::Recorded);
    else if (curRec->GetRecordingStatus() != RecStatus::Recorded)
        curRec->SetRecordingStatus(RecStatus::Failed);
    curRec->SetRecordingEndTime(MythDate::current(true));
    is_good &= (curRec->GetRecordingStatus() == RecStatus::Recorded);
 
    // Figure out if this was already done for this recording
    bool was_finished = false;
    static QMutex s_finRecLock;
    static QHash<QString,QDateTime> s_finRecMap;
    {
        QMutexLocker locker(&s_finRecLock);
        QDateTime now = MythDate::current();
        QDateTime expired = now.addSecs(-60*5);
        QHash<QString,QDateTime>::iterator it = s_finRecMap.begin();
        while (it != s_finRecMap.end())
        {
            if ((*it) < expired)
                it = s_finRecMap.erase(it);
            else
                ++it;
        }
        QString key = curRec->MakeUniqueKey();
        it = s_finRecMap.find(key);
        if (it != s_finRecMap.end())
            was_finished = true;
        else
            s_finRecMap[key] = now;
    }
 
    // Print something informative to the log
    LOG(VB_RECORD, LOG_INFO, LOC +
        QString("FinishedRecording(%1) %2 quality"
                "\n\t\t\ttitle: %3\n\t\t\t"
                "in recgroup: %4 status: %5:%6 %7 %8")
            .arg(curRec->MakeUniqueKey())
            .arg(is_good ? "Good" : "Bad")
            .arg(curRec->GetTitle())
            .arg(recgrp)
            .arg(RecStatus::toString(ors, kSingleRecord))
            .arg(RecStatus::toString(curRec->GetRecordingStatus(), kSingleRecord))
            .arg(HasFlags(kFlagDummyRecorderRunning)?"is_dummy":"not_dummy")
            .arg(was_finished?"already_finished":"finished_now"));
 
    // This has already been called on this recording..
    if (was_finished)
        return;
 
    // Notify the frontend watching live tv that this file is final
    if (m_tvChain)
        m_tvChain->FinishedRecording(curRec);
 
    // if this is a dummy recorder, do no more..
    if (HasFlags(kFlagDummyRecorderRunning))
    {
        curRec->FinishedRecording(true); // so end time is updated
        SendMythSystemRecEvent("REC_FINISHED", curRec);
        return;
    }
 
    // Get the width and set the videoprops
    MarkTypes aspectRatio = curRec->QueryAverageAspectRatio();
    uint avg_height = curRec->QueryAverageHeight();
    bool progressive = curRec->QueryAverageScanProgressive();
    curRec->SaveVideoProperties
        (VID_4K | VID_1080 | VID_720 | VID_DAMAGED |
         VID_WIDESCREEN | VID_PROGRESSIVE,
        ((avg_height > 2000) ? VID_4K :
         ((avg_height > 1000) ? VID_1080 :
          ((avg_height > 700) ? VID_720 : 0))) |
         (progressive ? VID_PROGRESSIVE : 0) |
        ((is_good) ? 0 : VID_DAMAGED) |
        (((aspectRatio == MARK_ASPECT_16_9) ||
          (aspectRatio == MARK_ASPECT_2_21_1)) ? VID_WIDESCREEN : 0));
 
    // Make sure really short recordings have positive run time.
    if (curRec->GetRecordingEndTime() <= curRec->GetRecordingStartTime())
    {
        curRec->SetRecordingEndTime(
            curRec->GetRecordingStartTime().addSecs(60));
    }
 
    // HACK Temporary hack, ensure we've loaded the recording file info, do it now
    //      so that it contains the final filesize information
    if (!curRec->GetRecordingFile())
        curRec->LoadRecordingFile();
 
    // Generate a preview
    uint64_t fsize = curRec->GetFilesize();
    if (curRec->IsLocal() && (fsize >= 1000) &&
        (curRec->GetRecordingStatus() == RecStatus::Recorded))
    {
        PreviewGeneratorQueue::GetPreviewImage(*curRec, "");
    }
 
    // store recording in recorded table
    curRec->FinishedRecording(!is_good || (recgrp == "LiveTV"));
 
    // send out UPDATE_RECORDING_STATUS message
    if (recgrp != "LiveTV")
    {
        LOG(VB_RECORD, LOG_INFO, LOC +
            QString("FinishedRecording -- UPDATE_RECORDING_STATUS: %1")
            .arg(RecStatus::toString(is_good ? curRec->GetRecordingStatus()
                          : RecStatus::Failed, kSingleRecord)));
        MythEvent me(QString("UPDATE_RECORDING_STATUS %1 %2 %3 %4 %5")
                     .arg(curRec->GetInputID())
                     .arg(curRec->GetChanID())
                     .arg(curRec->GetScheduledStartTime(MythDate::ISODate))
                     .arg(is_good ? curRec->GetRecordingStatus() : RecStatus::Failed)
                     .arg(curRec->GetRecordingEndTime(MythDate::ISODate)));
        gCoreContext->dispatch(me);
    }
 
    // send out REC_FINISHED message
    SendMythSystemRecEvent("REC_FINISHED", curRec);
 
    // send out DONE_RECORDING message
    int secsSince = curRec->GetRecordingStartTime()
        .secsTo(MythDate::current());
    QString message = QString("DONE_RECORDING %1 %2 %3")
        .arg(m_inputId).arg(secsSince).arg(GetFramesWritten());
    MythEvent me(message);
    gCoreContext->dispatch(me);
 
    // Handle JobQueue
    QHash<QString,int>::iterator autoJob =
        m_autoRunJobs.find(curRec->MakeUniqueKey());
    if (autoJob == m_autoRunJobs.end())
    {
        LOG(VB_GENERAL, LOG_INFO,
            "autoRunJobs not initialized until FinishedRecording()");
        AutoRunInitType t =
            (recgrp == "LiveTV") ? kAutoRunNone : kAutoRunProfile;
        InitAutoRunJobs(curRec, t, nullptr, __LINE__);
        autoJob = m_autoRunJobs.find(curRec->MakeUniqueKey());
    }
    LOG(VB_JOBQUEUE, LOG_INFO, QString("AutoRunJobs 0x%1").arg(*autoJob,0,16));
    if ((recgrp == "LiveTV") || (fsize < 1000) ||
        (curRec->GetRecordingStatus() != RecStatus::Recorded) ||
        (curRec->GetRecordingStartTime().secsTo(
            MythDate::current()) < 120))
    {
        JobQueue::RemoveJobsFromMask(JOB_COMMFLAG,  *autoJob);
        JobQueue::RemoveJobsFromMask(JOB_TRANSCODE, *autoJob);
    }
    if (*autoJob != JOB_NONE)
        JobQueue::QueueRecordingJobs(*curRec, *autoJob);
    m_autoRunJobs.erase(autoJob);
}
 
#define TRANSITION(ASTATE,BSTATE) \
   ((m_internalState == (ASTATE)) && (m_desiredNextState == (BSTATE)))
#define SET_NEXT() do { nextState = m_desiredNextState; changed = true; } while(false)
#define SET_LAST() do { nextState = m_internalState; changed = true; } while(false)
 
void TVRec::HandleStateChange(void)
{
    TVState nextState = m_internalState;
 
    bool changed = false;
 
    QString transMsg = QString(" %1 to %2")
        .arg(StateToString(nextState))
        .arg(StateToString(m_desiredNextState));
 
    if (m_desiredNextState == m_internalState)
    {
        LOG(VB_GENERAL, LOG_ERR, LOC +
            "HandleStateChange(): Null transition" + transMsg);
        m_changeState = false;
        return;
    }
 
    // Make sure EIT scan is stopped before any tuning,
    // to avoid race condition with it's tuning requests.
    if (m_scanner && HasFlags(kFlagEITScannerRunning))
    {
        m_scanner->StopActiveScan();
        ClearFlags(kFlagEITScannerRunning, __FILE__, __LINE__);
        m_eitScanStartTime = MythDate::current().addSecs(
            m_eitCrawlIdleStart + eit_start_rand(m_eitTransportTimeout));
    }
 
    // Handle different state transitions
    if (TRANSITION(kState_None, kState_WatchingLiveTV))
    {
        m_tuningRequests.enqueue(TuningRequest(kFlagLiveTV));
        SET_NEXT();
    }
    else if (TRANSITION(kState_WatchingLiveTV, kState_None))
    {
        m_tuningRequests.enqueue(TuningRequest(kFlagKillRec|kFlagKillRingBuffer));
        SET_NEXT();
    }
    else if (TRANSITION(kState_WatchingLiveTV, kState_RecordingOnly))
    {
        SetPseudoLiveTVRecording(nullptr);
 
        SET_NEXT();
    }
    else if (TRANSITION(kState_None, kState_RecordingOnly))
    {
        SetPseudoLiveTVRecording(nullptr);
        m_tuningRequests.enqueue(TuningRequest(kFlagRecording, m_curRecording));
        SET_NEXT();
    }
    else if (TRANSITION(kState_RecordingOnly, kState_None))
    {
        m_tuningRequests.enqueue(
            TuningRequest(kFlagCloseRec|kFlagKillRingBuffer|
                          (GetFlags()&kFlagKillRec)));
        SET_NEXT();
    }
 
    QString msg = (changed) ? "Changing from" : "Unknown state transition:";
    LOG(VB_GENERAL, LOG_INFO, LOC + msg + transMsg);
 
    // update internal state variable
    m_internalState = nextState;
    m_changeState = false;
 
    m_eitScanStartTime = MythDate::current();
    if (m_scanner && (m_internalState == kState_None))
    {
        m_eitScanStartTime = m_eitScanStartTime.addSecs(
            m_eitCrawlIdleStart + eit_start_rand(m_eitTransportTimeout));
    }
    else
    {
        m_eitScanStartTime = m_eitScanStartTime.addYears(1);
    }
}
#undef TRANSITION
#undef SET_NEXT
#undef SET_LAST
 
void TVRec::ChangeState(TVState nextState)
{
    QMutexLocker lock(&m_stateChangeLock);
    m_desiredNextState = nextState;
    m_changeState = true;
    WakeEventLoop();
}
 
void TVRec::TeardownRecorder(uint request_flags)
{
    LOG(VB_RECORD, LOG_INFO, LOC + QString("TeardownRecorder(%1)")
        .arg((request_flags & kFlagKillRec) ? "kFlagKillRec" : ""));
 
    m_pauseNotify = false;
    m_isPip = false;
 
    if (m_recorder && HasFlags(kFlagRecorderRunning))
    {
        m_recorder->StopRecording();
        m_recorderThread->wait();
        delete m_recorderThread;
        m_recorderThread = nullptr;
    }
    ClearFlags(kFlagRecorderRunning | kFlagNeedToStartRecorder,
               __FILE__, __LINE__);
 
    RecordingQuality *recq = nullptr;
    if (m_recorder)
    {
        if (GetV4LChannel())
            m_channel->SetFd(-1);
 
        recq = m_recorder->GetRecordingQuality(m_curRecording);
 
        QMutexLocker locker(&m_stateChangeLock);
        delete m_recorder;
        m_recorder = nullptr;
    }
 
    if (m_buffer)
    {
        LOG(VB_FILE, LOG_INFO, LOC + "calling StopReads()");
        m_buffer->StopReads();
    }
 
    if (m_curRecording)
    {
        if (!!(request_flags & kFlagKillRec))
            m_curRecording->SetRecordingStatus(RecStatus::Failed);
 
        FinishedRecording(m_curRecording, recq);
 
        m_curRecording->MarkAsInUse(false, kRecorderInUseID);
        delete m_curRecording;
        m_curRecording = nullptr;
    }
 
    m_pauseNotify = true;
 
    if (GetDTVChannel())
        GetDTVChannel()->EnterPowerSavingMode();
}
 
DTVRecorder *TVRec::GetDTVRecorder(void)
{
    return dynamic_cast<DTVRecorder*>(m_recorder);
}
 
void TVRec::CloseChannel(void)
{
    if (m_channel &&
        ((m_genOpt.m_inputType == "DVB" && m_dvbOpt.m_dvbOnDemand) ||
         m_genOpt.m_inputType == "FREEBOX" ||
         m_genOpt.m_inputType == "VBOX" ||
         m_genOpt.m_inputType == "HDHOMERUN" ||
         CardUtil::IsV4L(m_genOpt.m_inputType)))
    {
        m_channel->Close();
    }
}
 
DTVChannel *TVRec::GetDTVChannel(void)
{
    return dynamic_cast<DTVChannel*>(m_channel);
}
 
V4LChannel *TVRec::GetV4LChannel(void)
{
#ifdef USING_V4L2
    return dynamic_cast<V4LChannel*>(m_channel);
#else
    return nullptr;
#endif // USING_V4L2
}
 
static bool get_use_eit(uint inputid)
{
    MSqlQuery query(MSqlQuery::InitCon());
    query.prepare(
        "SELECT SUM(useeit) "
        "FROM videosource, capturecard "
        "WHERE videosource.sourceid = capturecard.sourceid AND"
        "      capturecard.cardid     = :INPUTID");
    query.bindValue(":INPUTID", inputid);
 
    if (!query.exec() || !query.isActive())
    {
        MythDB::DBError("get_use_eit", query);
        return false;
    }
    if (query.next())
        return query.value(0).toBool();
    return false;
}
 
static bool is_dishnet_eit(uint inputid)
{
    MSqlQuery query(MSqlQuery::InitCon());
    query.prepare(
        "SELECT SUM(dishnet_eit) "
        "FROM videosource, capturecard "
        "WHERE videosource.sourceid = capturecard.sourceid AND"
        "      capturecard.cardid     = :INPUTID");
    query.bindValue(":INPUTID", inputid);
 
    if (!query.exec() || !query.isActive())
    {
        MythDB::DBError("is_dishnet_eit", query);
        return false;
    }
    if (query.next())
        return query.value(0).toBool();
    return false;
}
 
static int num_inputs(void)
{
    MSqlQuery query(MSqlQuery::InitCon());
 
    QString str =
        "SELECT COUNT(cardid) "
        "FROM capturecard ";
 
    query.prepare(str);
 
    if (!query.exec() || !query.isActive())
    {
        MythDB::DBError("num_inputs", query);
        return -1;
    }
    if (query.next())
        return query.value(0).toInt();
    return -1;
}
 
static int eit_start_rand(int eitTransportTimeout)
{
    // randomize start time a bit
    int timeout = random() % (eitTransportTimeout / 3);
    // get the number of inputs and the position of the current input
    // to distribute the the scan start evenly over eitTransportTimeout
    int no_inputs = num_inputs();
    if (no_inputs > 0)
        timeout += eitTransportTimeout / no_inputs;
    return timeout;
}
 
void TVRec::run(void)
{
    QMutexLocker lock(&m_stateChangeLock);
    SetFlags(kFlagRunMainLoop, __FILE__, __LINE__);
    ClearFlags(kFlagExitPlayer | kFlagFinishRecording, __FILE__, __LINE__);
 
    m_eitScanStartTime = MythDate::current();
    // check whether we should use the EITScanner in this TVRec instance
    if (CardUtil::IsEITCapable(m_genOpt.m_inputType) &&
        (!GetDTVChannel() || GetDTVChannel()->IsMaster()) &&
        (m_dvbOpt.m_dvbEitScan || get_use_eit(m_inputId)))
    {
        m_scanner = new EITScanner(m_inputId);
        m_eitScanStartTime = m_eitScanStartTime.addSecs(
            m_eitCrawlIdleStart + eit_start_rand(m_eitTransportTimeout));
    }
    else
    {
        m_eitScanStartTime = m_eitScanStartTime.addYears(1);
    }
 
    while (HasFlags(kFlagRunMainLoop))
    {
        // If there is a state change queued up, do it...
        if (m_changeState)
        {
            HandleStateChange();
            ClearFlags(kFlagFrontendReady | kFlagCancelNextRecording,
                       __FILE__, __LINE__);
        }
 
        // Quick exit on fatal errors.
        if (IsErrored())
        {
            LOG(VB_GENERAL, LOG_ERR, LOC +
                "RunTV encountered fatal error, exiting event thread.");
            ClearFlags(kFlagRunMainLoop, __FILE__, __LINE__);
            TeardownAll();
            return;
        }
 
        // Handle any tuning events..  Blindly grabbing the lock here
        // can sometimes cause a deadlock with Init() while it waits
        // to make sure this thread starts.  Until a better solution
        // is found, don't run HandleTuning unless we can safely get
        // the lock.
        if (s_inputsLock.tryLockForRead())
        {
            HandleTuning();
            s_inputsLock.unlock();
        }
 
        // Tell frontends about pending recordings
        HandlePendingRecordings();
 
        // If we are recording a program, check if the recording is
        // over or someone has asked us to finish the recording.
        // Add an extra 60 seconds to the recording end time if we
        // might want a back to back recording.
        QDateTime recEnd = (!m_pendingRecordings.empty()) ?
            m_recordEndTime.addSecs(60) : m_recordEndTime;
        if ((GetState() == kState_RecordingOnly) &&
            (MythDate::current() > recEnd ||
             HasFlags(kFlagFinishRecording)))
        {
            ChangeState(kState_None);
            ClearFlags(kFlagFinishRecording, __FILE__, __LINE__);
        }
 
        if (m_curRecording)
        {
            m_curRecording->UpdateInUseMark();
 
            if (m_recorder)
            {
                m_recorder->SavePositionMap();
 
                // Check for recorder errors
                if (m_recorder->IsErrored())
                {
                    m_curRecording->SetRecordingStatus(RecStatus::Failed);
 
                    if (GetState() == kState_WatchingLiveTV)
                    {
                        QString message = QString("QUIT_LIVETV %1").arg(m_inputId);
                        MythEvent me(message);
                        gCoreContext->dispatch(me);
                    }
                    else
                        ChangeState(kState_None);
                }
            }
        }
 
        // Check for the end of the current program..
        if (GetState() == kState_WatchingLiveTV)
        {
            QDateTime now   = MythDate::current();
            bool has_finish = HasFlags(kFlagFinishRecording);
            bool has_rec    = m_pseudoLiveTVRecording;
            bool enable_ui  = true;
 
            m_pendingRecLock.lock();
            bool rec_soon   =
                m_pendingRecordings.find(m_inputId) != m_pendingRecordings.end();
            m_pendingRecLock.unlock();
 
            if (has_rec && (has_finish || (now > m_recordEndTime)))
            {
                SetPseudoLiveTVRecording(nullptr);
            }
            else if (!has_rec && !rec_soon && m_curRecording &&
                     (now >= m_curRecording->GetScheduledEndTime()))
            {
                if (!m_switchingBuffer)
                {
                    LOG(VB_RECORD, LOG_INFO, LOC +
                        "Switching Buffer (" +
                        QString("!has_rec(%1) && ").arg(has_rec) +
                        QString("!rec_soon(%1) && (").arg(rec_soon) +
                        MythDate::toString(now, MythDate::ISODate) + " >= " +
                        m_curRecording->GetScheduledEndTime(MythDate::ISODate) +
                        QString("(%1) ))")
                        .arg(now >= m_curRecording->GetScheduledEndTime()));
 
                    m_switchingBuffer = true;
 
                    SwitchLiveTVRingBuffer(m_channel->GetChannelName(),
                                           false, true);
                }
                else
                {
                    LOG(VB_RECORD, LOG_INFO, "Waiting for ringbuffer switch");
                }
            }
            else
                enable_ui = false;
 
            if (enable_ui)
            {
                LOG(VB_RECORD, LOG_INFO, LOC + "Enabling Full LiveTV UI.");
                QString message = QString("LIVETV_WATCH %1 0").arg(m_inputId);
                MythEvent me(message);
                gCoreContext->dispatch(me);
            }
        }
 
        // Check for ExitPlayer flag, and if set change to a non-watching
        // state (either kState_RecordingOnly or kState_None).
        if (HasFlags(kFlagExitPlayer))
        {
            if (m_internalState == kState_WatchingLiveTV)
                ChangeState(kState_None);
            else if (StateIsPlaying(m_internalState))
                ChangeState(RemovePlaying(m_internalState));
            ClearFlags(kFlagExitPlayer, __FILE__, __LINE__);
        }
 
        if (m_scanner && m_channel &&
            MythDate::current() > m_eitScanStartTime)
        {
            if (!m_dvbOpt.m_dvbEitScan)
            {
                LOG(VB_EIT, LOG_INFO, LOC +
                    "EIT scanning disabled for this input.");
                m_eitScanStartTime = m_eitScanStartTime.addYears(1);
            }
            else if (!get_use_eit(GetInputId()))
            {
                LOG(VB_EIT, LOG_INFO, LOC +
                    "EIT scanning disabled for all sources on this input.");
                m_eitScanStartTime = m_eitScanStartTime.addYears(1);
            }
            else
            {
                // Check if another card in the same input group is
                // busy.  This could be either virtual DVB-devices or
                // a second tuner on a single card
                s_inputsLock.lockForRead();
                bool allow_eit = true;
                vector<uint> inputids =
                    CardUtil::GetConflictingInputs(m_inputId);
                InputInfo busy_input;
                for (uint i = 0; i < inputids.size() && allow_eit; ++i)
                    allow_eit = !RemoteIsBusy(inputids[i], busy_input);
                if (allow_eit)
                {
                    m_scanner->StartActiveScan(this, m_eitTransportTimeout);
                    SetFlags(kFlagEITScannerRunning, __FILE__, __LINE__);
                    m_eitScanStartTime =
                        QDateTime::currentDateTime().addYears(1);
                }
                else
                {
                    LOG(VB_EIT, LOG_INFO, LOC + QString(
                            "Postponing EIT scan on input [%1] "
                            "because input %2 is busy")
                        .arg(m_inputId).arg(busy_input.m_inputId));
                    m_eitScanStartTime = m_eitScanStartTime.addSecs(300);
                }
                s_inputsLock.unlock();
            }
        }
 
        // We should be no more than a few thousand milliseconds,
        // as the end recording code does not have a trigger...
        // NOTE: If you change anything here, make sure that
        // WaitforEventThreadSleep() will still work...
        if (m_tuningRequests.empty() && !m_changeState)
        {
            lock.unlock(); // stateChangeLock
 
            {
                QMutexLocker locker(&m_triggerEventSleepLock);
                m_triggerEventSleepSignal = true;
                m_triggerEventSleepWait.wakeAll();
            }
 
            sched_yield();
 
            {
                QMutexLocker locker(&m_triggerEventLoopLock);
                // We check triggerEventLoopSignal because it is possible
                // that WakeEventLoop() was called since we
                // unlocked the stateChangeLock
                if (!m_triggerEventLoopSignal)
                {
                    m_triggerEventLoopWait.wait(
                        &m_triggerEventLoopLock, 1000 /* ms */);
                }
                m_triggerEventLoopSignal = false;
            }
 
            lock.relock(); // stateChangeLock
        }
    }
 
    if (GetState() != kState_None)
    {
        ChangeState(kState_None);
        HandleStateChange();
    }
 
    TeardownAll();
}
 
bool TVRec::WaitForEventThreadSleep(bool wake, ulong time)
{
    bool ok = false;
    MythTimer t;
    t.start();
 
    while (!ok && ((unsigned long) t.elapsed()) < time)
    {
        MythTimer t2;
        t2.start();
 
        if (wake)
            WakeEventLoop();
 
        m_stateChangeLock.unlock();
 
        sched_yield();
 
        {
            QMutexLocker locker(&m_triggerEventSleepLock);
            if (!m_triggerEventSleepSignal)
                m_triggerEventSleepWait.wait(&m_triggerEventSleepLock);
            m_triggerEventSleepSignal = false;
        }
 
        m_stateChangeLock.lock();
 
        // verify that we were triggered.
        ok = (m_tuningRequests.empty() && !m_changeState);
 
        int te = t2.elapsed();
        if (!ok && te < 10)
            std::this_thread::sleep_for(std::chrono::microseconds(10-te));
    }
    return ok;
}
 
void TVRec::HandlePendingRecordings(void)
{
    QMutexLocker pendlock(&m_pendingRecLock);
 
    for (auto it = m_pendingRecordings.begin(); it != m_pendingRecordings.end();)
    {
        auto next = it; ++next;
        if (MythDate::current() > (*it).m_recordingStart.addSecs(30))
        {
            LOG(VB_RECORD, LOG_INFO, LOC + "Deleting stale pending recording " +
                QString("[%1] '%2'")
                    .arg((*it).m_info->GetInputID())
                    .arg((*it).m_info->GetTitle()));
 
            delete (*it).m_info;
            m_pendingRecordings.erase(it);
        }
        it = next;
    }
 
    if (m_pendingRecordings.empty())
        return;
 
    // Make sure EIT scan is stopped so it does't interfere
    if (m_scanner && HasFlags(kFlagEITScannerRunning))
    {
        LOG(VB_CHANNEL, LOG_INFO,
            LOC + "Stopping active EIT scan for pending recording.");
        m_tuningRequests.enqueue(TuningRequest(kFlagNoRec));
    }
 
    // If we have a pending recording and AskAllowRecording
    // or DoNotAskAllowRecording is set and the frontend is
    // ready send an ASK_RECORDING query to frontend.
 
    bool has_rec = false;
    auto it = m_pendingRecordings.begin();
    if ((1 == m_pendingRecordings.size()) &&
        (*it).m_ask &&
        ((*it).m_info->GetInputID() == m_inputId) &&
        (GetState() == kState_WatchingLiveTV))
    {
        CheckForRecGroupChange();
        has_rec = m_pseudoLiveTVRecording &&
            (m_pseudoLiveTVRecording->GetRecordingEndTime() >
             (*it).m_recordingStart);
    }
 
    for (it = m_pendingRecordings.begin(); it != m_pendingRecordings.end(); ++it)
    {
        if (!(*it).m_ask && !(*it).m_doNotAsk)
            continue;
 
        int timeuntil = ((*it).m_doNotAsk) ?
            -1: MythDate::current().secsTo((*it).m_recordingStart);
 
        if (has_rec)
            (*it).m_canceled = true;
 
        QString query = QString("ASK_RECORDING %1 %2 %3 %4")
            .arg(m_inputId)
            .arg(timeuntil)
            .arg(has_rec ? 1 : 0)
            .arg((*it).m_hasLaterShowing ? 1 : 0);
 
        LOG(VB_GENERAL, LOG_INFO, LOC + query);
 
        QStringList msg;
        (*it).m_info->ToStringList(msg);
        MythEvent me(query, msg);
        gCoreContext->dispatch(me);
 
        (*it).m_ask = (*it).m_doNotAsk = false;
    }
}
 
bool TVRec::GetDevices(uint inputid,
                       uint &parentid,
                       GeneralDBOptions   &gen_opts,
                       DVBDBOptions       &dvb_opts,
                       FireWireDBOptions  &firewire_opts)
{
    int testnum = 0;
    QString test;
 
    MSqlQuery query(MSqlQuery::InitCon());
    query.prepare(
        "SELECT videodevice,      vbidevice,           audiodevice,     "
        "       audioratelimit,   cardtype,        "
        "       skipbtaudio,      signal_timeout,      channel_timeout, "
        "       dvb_wait_for_seqstart, "
        ""
        "       dvb_on_demand,    dvb_tuning_delay,    dvb_eitscan,"
        ""
        "       firewire_speed,   firewire_model,      firewire_connection, "
        "       parentid "
        ""
        "FROM capturecard "
        "WHERE cardid = :INPUTID");
    query.bindValue(":INPUTID", inputid);
 
    if (!query.exec() || !query.isActive())
    {
        MythDB::DBError("getdevices", query);
        return false;
    }
 
    if (!query.next())
        return false;
 
    // General options
    test = query.value(0).toString();
    if (!test.isEmpty())
        gen_opts.m_videoDev = test;
 
    test = query.value(1).toString();
    if (!test.isEmpty())
        gen_opts.m_vbiDev = test;
 
    test = query.value(2).toString();
    if (!test.isEmpty())
        gen_opts.m_audioDev = test;
 
    gen_opts.m_audioSampleRate = max(testnum, query.value(3).toInt());
 
    test = query.value(4).toString();
    if (!test.isEmpty())
        gen_opts.m_inputType = test;
 
    gen_opts.m_skipBtAudio = query.value(5).toBool();
 
    gen_opts.m_signalTimeout  = (uint) max(query.value(6).toInt(), 0);
    gen_opts.m_channelTimeout = (uint) max(query.value(7).toInt(), 0);
 
    // We should have at least 100 ms to acquire tables...
    int table_timeout = ((int)gen_opts.m_channelTimeout -
                         (int)gen_opts.m_signalTimeout);
    if (table_timeout < 100)
        gen_opts.m_channelTimeout = gen_opts.m_signalTimeout + 2500;
 
    gen_opts.m_waitForSeqstart = query.value(8).toBool();
 
    // DVB options
    uint dvboff = 9;
    dvb_opts.m_dvbOnDemand    = query.value(dvboff + 0).toBool();
    dvb_opts.m_dvbTuningDelay = query.value(dvboff + 1).toUInt();
    dvb_opts.m_dvbEitScan     = query.value(dvboff + 2).toBool();
 
    // Firewire options
    uint fireoff = dvboff + 3;
    firewire_opts.m_speed     = query.value(fireoff + 0).toUInt();
 
    test = query.value(fireoff + 1).toString();
    if (!test.isEmpty())
        firewire_opts.m_model = test;
 
    firewire_opts.m_connection = query.value(fireoff + 2).toUInt();
 
    parentid = query.value(15).toUInt();
 
    return true;
}
 
QString TVRec::GetStartChannel(uint inputid)
{
    QString startchan;
 
    LOG(VB_RECORD, LOG_INFO, LOC2 + QString("GetStartChannel[%1]")
        .arg(inputid));
 
    // Get last tuned channel from database, to use as starting channel
    MSqlQuery query(MSqlQuery::InitCon());
    query.prepare(
        "SELECT startchan "
        "FROM capturecard "
        "WHERE capturecard.cardid = :INPUTID");
    query.bindValue(":INPUTID",    inputid);
 
    if (!query.exec() || !query.isActive())
    {
        MythDB::DBError("getstartchan", query);
    }
    else if (query.next())
    {
        startchan = query.value(0).toString();
        if (!startchan.isEmpty())
        {
            LOG(VB_CHANNEL, LOG_INFO, LOC2 + QString("Start channel: %1")
                    .arg(startchan));
            return startchan;
        }
    }
 
    // If we failed to get the last tuned channel,
    // get a valid channel on our current input.
    query.prepare(
        "SELECT channum "
        "FROM capturecard, channel "
        "WHERE deleted            IS NULL AND "
        "      channel.sourceid   = capturecard.sourceid AND "
        "      capturecard.cardid = :INPUTID");
    query.bindValue(":INPUTID",    inputid);
 
    if (!query.exec() || !query.isActive())
    {
        MythDB::DBError("getstartchan2", query);
    }
    while (query.next())
    {
        startchan = query.value(0).toString();
        if (!startchan.isEmpty())
        {
            LOG(VB_GENERAL, LOG_ERR, LOC2 + QString("Start channel from DB is "
                    "empty, setting to '%1' instead.").arg(startchan));
            return startchan;
        }
    }
 
    // If we failed to get a channel on our current input,
    // widen search to any input.
    query.prepare(
        "SELECT channum, inputname "
        "FROM capturecard, channel "
        "WHERE deleted            IS NULL AND "
        "      channel.sourceid   = capturecard.sourceid AND "
        "      capturecard.cardid = :INPUTID");
    query.bindValue(":INPUTID", inputid);
 
    if (!query.exec() || !query.isActive())
    {
        MythDB::DBError("getstartchan3", query);
    }
    while (query.next())
    {
        startchan = query.value(0).toString();
        if (!startchan.isEmpty())
        {
            LOG(VB_GENERAL, LOG_ERR, LOC2 + QString("Start channel invalid, "
                    "setting to '%1' on input %2 instead.").arg(startchan)
                    .arg(query.value(1).toString()));
            return startchan;
        }
    }
 
    // If there are no valid channels, just use a random channel
    startchan = "3";
    LOG(VB_GENERAL, LOG_ERR, LOC2 + QString("Problem finding starting channel, "
            "setting to default of '%1'.").arg(startchan));
    return startchan;
}
 
static void GetPidsToCache(DTVSignalMonitor *dtvMon, pid_cache_t &pid_cache)
{
    if (!dtvMon->GetATSCStreamData())
        return;
 
    const MasterGuideTable *mgt = dtvMon->GetATSCStreamData()->GetCachedMGT();
    if (!mgt)
        return;
 
    for (uint i = 0; i < mgt->TableCount(); ++i)
    {
        pid_cache_item_t item(mgt->TablePID(i), mgt->TableType(i));
        pid_cache.push_back(item);
    }
    dtvMon->GetATSCStreamData()->ReturnCachedTable(mgt);
}
 
static bool ApplyCachedPids(DTVSignalMonitor *dtvMon, const DTVChannel* channel)
{
    pid_cache_t pid_cache;
    channel->GetCachedPids(pid_cache);
    bool vctpid_cached = false;
    for (auto pid : pid_cache)
    {
        if ((pid.GetTableID() == TableID::TVCT) ||
            (pid.GetTableID() == TableID::CVCT))
        {
            vctpid_cached = true;
            dtvMon->GetATSCStreamData()->AddListeningPID(pid.GetPID());
        }
    }
    return vctpid_cached;
}
 
bool TVRec::SetupDTVSignalMonitor(bool EITscan)
{
    LOG(VB_RECORD, LOG_INFO, LOC + "Setting up table monitoring.");
 
    DTVSignalMonitor *sm = GetDTVSignalMonitor();
    DTVChannel *dtvchan = GetDTVChannel();
    if (!sm || !dtvchan)
    {
        LOG(VB_GENERAL, LOG_ERR, LOC + "Setting up table monitoring.");
        return false;
    }
 
    MPEGStreamData *sd = nullptr;
    if (GetDTVRecorder())
    {
        sd = GetDTVRecorder()->GetStreamData();
        sd->SetCaching(true);
    }
 
    QString recording_type = "all";
    RecordingInfo *rec = m_lastTuningRequest.m_program;
    RecordingProfile profile;
    m_recProfileName = LoadProfile(m_tvChain, rec, profile);
    const StandardSetting *setting = profile.byName("recordingtype");
    if (setting)
        recording_type = setting->getValue();
 
    const QString tuningmode = dtvchan->GetTuningMode();
 
    // Check if this is an ATSC Channel
    int major = dtvchan->GetMajorChannel();
    int minor = dtvchan->GetMinorChannel();
    if ((minor > 0) && (tuningmode == "atsc"))
    {
        QString msg = QString("ATSC channel: %1_%2").arg(major).arg(minor);
        LOG(VB_RECORD, LOG_INFO, LOC + msg);
 
        auto *asd = dynamic_cast<ATSCStreamData*>(sd);
        if (!asd)
        {
            sd = asd = new ATSCStreamData(major, minor, m_inputId);
            sd->SetCaching(true);
            if (GetDTVRecorder())
                GetDTVRecorder()->SetStreamData(asd);
        }
 
        asd->Reset();
        sm->SetStreamData(sd);
        sm->SetChannel(major, minor);
        sd->SetRecordingType(recording_type);
 
        // Try to get pid of VCT from cache and
        // require MGT if we don't have VCT pid.
        if (!ApplyCachedPids(sm, dtvchan))
            sm->AddFlags(SignalMonitor::kDTVSigMon_WaitForMGT);
 
        LOG(VB_RECORD, LOG_INFO, LOC +
            "Successfully set up ATSC table monitoring.");
        return true;
    }
 
    // Check if this is an DVB channel
    int progNum = dtvchan->GetProgramNumber();
    if ((progNum >= 0) && (tuningmode == "dvb") && (m_genOpt.m_inputType != "VBOX"))
    {
        int netid   = dtvchan->GetOriginalNetworkID();
        int tsid    = dtvchan->GetTransportID();
 
        auto *dsd = dynamic_cast<DVBStreamData*>(sd);
        if (!dsd)
        {
            sd = dsd = new DVBStreamData(netid, tsid, progNum, m_inputId);
            sd->SetCaching(true);
            if (GetDTVRecorder())
                GetDTVRecorder()->SetStreamData(dsd);
        }
 
        LOG(VB_RECORD, LOG_INFO, LOC +
            QString("DVB service_id %1 on net_id %2 tsid %3")
                .arg(progNum).arg(netid).arg(tsid));
 
        apply_broken_dvb_driver_crc_hack(m_channel, sd);
 
        dsd->Reset();
        sm->SetStreamData(sd);
        sm->SetDVBService(netid, tsid, progNum);
        sd->SetRecordingType(recording_type);
 
        sm->AddFlags(SignalMonitor::kDTVSigMon_WaitForPMT |
                     SignalMonitor::kDTVSigMon_WaitForSDT |
                     SignalMonitor::kDVBSigMon_WaitForPos);
        sm->SetRotorTarget(1.0F);
 
        if (EITscan)
        {
            sm->GetStreamData()->SetVideoStreamsRequired(0);
            sm->IgnoreEncrypted(true);
        }
 
        LOG(VB_RECORD, LOG_INFO, LOC +
            "Successfully set up DVB table monitoring.");
        return true;
    }
 
    // Check if this is an MPEG channel
    if (progNum >= 0)
    {
        if (!sd)
        {
            sd = new MPEGStreamData(progNum, m_inputId, true);
            sd->SetCaching(true);
            if (GetDTVRecorder())
                GetDTVRecorder()->SetStreamData(sd);
        }
 
        QString msg = QString("MPEG program number: %1").arg(progNum);
        LOG(VB_RECORD, LOG_INFO, LOC + msg);
 
        apply_broken_dvb_driver_crc_hack(m_channel, sd);
 
        sd->Reset();
        sm->SetStreamData(sd);
        sm->SetProgramNumber(progNum);
        sd->SetRecordingType(recording_type);
 
        sm->AddFlags(SignalMonitor::kDTVSigMon_WaitForPAT |
                     SignalMonitor::kDTVSigMon_WaitForPMT |
                     SignalMonitor::kDVBSigMon_WaitForPos);
        sm->SetRotorTarget(1.0F);
 
        if (EITscan)
        {
            sm->GetStreamData()->SetVideoStreamsRequired(0);
            sm->IgnoreEncrypted(true);
        }
 
        LOG(VB_RECORD, LOG_INFO, LOC +
            "Successfully set up MPEG table monitoring.");
        return true;
    }
 
    // If this is not an ATSC, DVB or MPEG channel then check to make sure
    // that we have permanent pidcache entries.
    bool ok = false;
    if (GetDTVChannel())
    {
        pid_cache_t pid_cache;
        GetDTVChannel()->GetCachedPids(pid_cache);
        for (auto item = pid_cache.cbegin(); !ok && item != pid_cache.cend(); ++item)
            ok |= item->IsPermanent();
    }
 
    if (!ok)
    {
        QString msg = "No valid DTV info, ATSC maj(%1) min(%2), MPEG pn(%3)";
        LOG(VB_GENERAL, LOG_ERR, LOC + msg.arg(major).arg(minor).arg(progNum));
    }
    else
    {
        LOG(VB_RECORD, LOG_INFO, LOC +
            "Successfully set up raw pid monitoring.");
    }
 
    return ok;
}
 
bool TVRec::SetupSignalMonitor(bool tablemon, bool EITscan, bool notify)
{
    LOG(VB_RECORD, LOG_INFO, LOC + QString("SetupSignalMonitor(%1, %2)")
            .arg(tablemon).arg(notify));
 
    // if it already exists, there no need to initialize it
    if (m_signalMonitor)
        return true;
 
    // if there is no channel object we can't monitor it
    if (!m_channel)
        return false;
 
    // nothing to monitor here either (DummyChannel)
    if (m_genOpt.m_inputType == "IMPORT" || m_genOpt.m_inputType == "DEMO")
        return true;
 
    // make sure statics are initialized
    SignalMonitorValue::Init();
 
    if (SignalMonitor::IsSupported(m_genOpt.m_inputType) && m_channel->Open())
        m_signalMonitor = SignalMonitor::Init(m_genOpt.m_inputType, m_inputId,
                                              m_channel, false);
 
    if (m_signalMonitor)
    {
        LOG(VB_RECORD, LOG_INFO, LOC + "Signal monitor successfully created");
        // If this is a monitor for Digital TV, initialize table monitors
        if (GetDTVSignalMonitor() && tablemon &&
            !SetupDTVSignalMonitor(EITscan))
        {
            LOG(VB_GENERAL, LOG_ERR, LOC +
                "Failed to setup digital signal monitoring");
 
            return false;
        }
 
        m_signalMonitor->AddListener(this);
        m_signalMonitor->SetUpdateRate(m_signalMonitor->HasExtraSlowTuning() ?
                                     kSignalMonitoringRate * 5 :
                                     kSignalMonitoringRate);
        m_signalMonitor->SetNotifyFrontend(notify);
 
        // Start the monitoring thread
        m_signalMonitor->Start();
    }
 
    return true;
}
 
void TVRec::TeardownSignalMonitor()
{
    if (!m_signalMonitor)
        return;
 
    LOG(VB_RECORD, LOG_INFO, LOC + "TeardownSignalMonitor() -- begin");
 
    // If this is a DTV signal monitor, save any pids we know about.
    DTVSignalMonitor *dtvMon  = GetDTVSignalMonitor();
    DTVChannel       *dtvChan = GetDTVChannel();
    if (dtvMon && dtvChan)
    {
        pid_cache_t pid_cache;
        GetPidsToCache(dtvMon, pid_cache);
        if (!pid_cache.empty())
            dtvChan->SaveCachedPids(pid_cache);
    }
 
    if (m_signalMonitor)
    {
        delete m_signalMonitor;
        m_signalMonitor = nullptr;
    }
 
    LOG(VB_RECORD, LOG_INFO, LOC + "TeardownSignalMonitor() -- end");
}
 
int TVRec::SetSignalMonitoringRate(int rate, int notifyFrontend)
{
    QString msg = "SetSignalMonitoringRate(%1, %2)";
    LOG(VB_RECORD, LOG_INFO, LOC +
        msg.arg(rate).arg(notifyFrontend) + "-- start");
 
    QMutexLocker lock(&m_stateChangeLock);
 
    if (!SignalMonitor::IsSupported(m_genOpt.m_inputType))
    {
        LOG(VB_GENERAL, LOG_ERR, LOC +
            "Signal Monitoring is notsupported by your hardware.");
        return 0;
    }
 
    if (GetState() != kState_WatchingLiveTV)
    {
        LOG(VB_GENERAL, LOG_ERR, LOC +
            "Signal can only be monitored in LiveTV Mode.");
        return 0;
    }
 
    ClearFlags(kFlagRingBufferReady, __FILE__, __LINE__);
 
    TuningRequest req = (rate > 0) ?
        TuningRequest(kFlagAntennaAdjust, m_channel->GetChannelName()) :
        TuningRequest(kFlagLiveTV);
 
    m_tuningRequests.enqueue(req);
 
    // Wait for RingBuffer reset
    while (!HasFlags(kFlagRingBufferReady))
        WaitForEventThreadSleep();
    LOG(VB_RECORD, LOG_INFO, LOC +
        msg.arg(rate).arg(notifyFrontend) + " -- end");
    return 1;
}
 
DTVSignalMonitor *TVRec::GetDTVSignalMonitor(void)
{
    return dynamic_cast<DTVSignalMonitor*>(m_signalMonitor);
}
 
bool TVRec::ShouldSwitchToAnotherInput(const QString& chanid) const
{
    QString msg("");
    MSqlQuery query(MSqlQuery::InitCon());
 
    if (!query.isConnected())
        return false;
 
    query.prepare("SELECT channel.channum, channel.callsign "
                  "FROM channel "
                  "WHERE channel.chanid = :CHANID");
    query.bindValue(":CHANID", chanid);
    if (!query.exec() || !query.next())
    {
        MythDB::DBError("ShouldSwitchToAnotherInput", query);
        return false;
    }
 
    QString channelname = query.value(0).toString();
    QString callsign = query.value(1).toString();
 
    query.prepare(
        "SELECT channel.channum "
        "FROM channel, capturecard "
        "WHERE deleted IS NULL AND "
        "      ( channel.chanid = :CHANID OR             "
        "        ( channel.channum  = :CHANNUM AND       "
        "          channel.callsign = :CALLSIGN    )     "
        "      )                                     AND "
        "      channel.sourceid = capturecard.sourceid AND "
        "      capturecard.cardid = :INPUTID");
    query.bindValue(":CHANID", chanid);
    query.bindValue(":CHANNUM", channelname);
    query.bindValue(":CALLSIGN", callsign);
    query.bindValue(":INPUTID", m_inputId);
 
    if (!query.exec() || !query.isActive())
    {
        MythDB::DBError("ShouldSwitchToAnotherInput", query);
    }
    else if (query.size() > 0)
    {
        msg = "Found channel (%1) on current input[%2].";
        LOG(VB_RECORD, LOG_INFO, LOC + msg.arg(channelname).arg(m_inputId));
        return false;
    }
 
    // We didn't find it on the current input, so now we check other inputs.
    query.prepare(
        "SELECT channel.channum, capturecard.cardid "
        "FROM channel, capturecard "
        "WHERE deleted IS NULL AND "
        "      ( channel.chanid = :CHANID OR              "
        "        ( channel.channum  = :CHANNUM AND        "
        "          channel.callsign = :CALLSIGN    )      "
        "      )                                      AND "
        "      channel.sourceid  = capturecard.sourceid AND "
        "      capturecard.cardid != :INPUTID");
    query.bindValue(":CHANID", chanid);
    query.bindValue(":CHANNUM", channelname);
    query.bindValue(":CALLSIGN", callsign);
    query.bindValue(":INPUTID", m_inputId);
 
    if (!query.exec() || !query.isActive())
    {
        MythDB::DBError("ShouldSwitchToAnotherInput", query);
    }
    else if (query.next())
    {
        msg = QString("Found channel (%1) on different input(%2).")
            .arg(query.value(0).toString()).arg(query.value(1).toString());
        LOG(VB_RECORD, LOG_INFO, LOC + msg);
        return true;
    }
 
    msg = QString("Did not find channel(%1) on any input.").arg(channelname);
    LOG(VB_RECORD, LOG_ERR, LOC + msg);
    return false;
}
 
bool TVRec::CheckChannel(const QString& name) const
{
    if (!m_channel)
        return false;
 
    return m_channel->CheckChannel(name);
}
 
static QString add_spacer(const QString &channel, const QString &spacer)
{
    QString chan = channel;
    if ((chan.length() >= 2) && !spacer.isEmpty())
        return chan.left(chan.length()-1) + spacer + chan.right(1);
    return chan;
}
 
bool TVRec::CheckChannelPrefix(const QString &prefix,
                               uint          &complete_valid_channel_on_rec,
                               bool          &is_extra_char_useful,
                               QString       &needed_spacer) const
{
#if DEBUG_CHANNEL_PREFIX
    LOG(VB_GENERAL, LOG_DEBUG, QString("CheckChannelPrefix(%1)").arg(prefix));
#endif
 
    static const uint kSpacerListSize = 5;
    static const char* s_spacers[kSpacerListSize] = { "", "_", "-", "#", "." };
 
    MSqlQuery query(MSqlQuery::InitCon());
    QString basequery = QString(
        "SELECT channel.chanid, channel.channum, capturecard.cardid "
        "FROM channel, capturecard "
        "WHERE deleted IS NULL AND "
        "      channel.channum LIKE '%1%'            AND "
        "      channel.sourceid = capturecard.sourceid");
 
    QString inputquery[2] =
    {
        QString(" AND capturecard.cardid  = '%1'").arg(m_inputId),
        QString(" AND capturecard.cardid != '%1'").arg(m_inputId),
    };
 
    vector<uint>    fchanid;
    vector<QString> fchannum;
    vector<uint>    finputid;
    vector<QString> fspacer;
 
    for (const auto & str : inputquery)
    {
        for (auto & spacer : s_spacers)
        {
            QString qprefix = add_spacer(
                prefix, (QString(spacer) == "_") ? "\\_" : spacer);
            query.prepare(basequery.arg(qprefix) + str);
 
            if (!query.exec() || !query.isActive())
            {
                MythDB::DBError("checkchannel -- locate channum", query);
            }
            else if (query.size())
            {
                while (query.next())
                {
                    fchanid.push_back(query.value(0).toUInt());
                    fchannum.push_back(query.value(1).toString());
                    finputid.push_back(query.value(2).toUInt());
                    fspacer.emplace_back(spacer);
#if DEBUG_CHANNEL_PREFIX
                    LOG(VB_GENERAL, LOG_DEBUG,
                        QString("(%1,%2) Adding %3 rec %4")
                            .arg(i).arg(j).arg(query.value(1).toString(),6)
                            .arg(query.value(2).toUInt()));
#endif
                }
            }
 
            if (prefix.length() < 2)
                break;
        }
    }
 
    // Now process the lists for the info we need...
    is_extra_char_useful = false;
    complete_valid_channel_on_rec = 0;
    needed_spacer.clear();
 
    if (fchanid.empty())
        return false;
 
    if (fchanid.size() == 1) // Unique channel...
    {
        needed_spacer = fspacer[0];
        bool nc       = (fchannum[0] != add_spacer(prefix, fspacer[0]));
 
        complete_valid_channel_on_rec = (nc) ? 0 : finputid[0];
        is_extra_char_useful             = nc;
        return true;
    }
 
    // If we get this far there is more than one channel
    // sharing the prefix we were given.
 
    // Is an extra characher useful for disambiguation?
    is_extra_char_useful = false;
    for (uint i = 0; (i < fchannum.size()) && !is_extra_char_useful; i++)
    {
        is_extra_char_useful = (fchannum[i] != add_spacer(prefix, fspacer[i]));
#if DEBUG_CHANNEL_PREFIX
        LOG(VB_GENERAL, LOG_DEBUG, QString("is_extra_char_useful(%1!=%2): %3")
                .arg(fchannum[i]).arg(add_spacer(prefix, fspacer[i]))
                .arg(is_extra_char_useful));
#endif
    }
 
    // Are any of the channels complete w/o spacer?
    // If so set complete_valid_channel_on_rec,
    // with a preference for our inputid.
    for (size_t i = 0; i < fchannum.size(); i++)
    {
        if (fchannum[i] == prefix)
        {
            complete_valid_channel_on_rec = finputid[i];
            if (finputid[i] == m_inputId)
                break;
        }
    }
 
    if (complete_valid_channel_on_rec != 0)
        return true;
 
    // Add a spacer, if one is needed to select a valid channel.
    bool spacer_needed = true;
    for (uint i = 0; (i < fspacer.size() && spacer_needed); i++)
        spacer_needed = !fspacer[i].isEmpty();
    if (spacer_needed)
        needed_spacer = fspacer[0];
 
    // If it isn't useful to wait for more characters,
    // then try to commit to any true match immediately.
    for (size_t i = 0; i < ((is_extra_char_useful) ? 0 : fchanid.size()); i++)
    {
        if (fchannum[i] == add_spacer(prefix, fspacer[i]))
        {
            needed_spacer = fspacer[i];
            complete_valid_channel_on_rec = finputid[i];
            return true;
        }
    }
 
    return true;
}
 
bool TVRec::SetVideoFiltersForChannel(uint  sourceid,
                                      const QString &channum)
{
    if (!m_recorder)
        return false;
 
    QString videoFilters = ChannelUtil::GetVideoFilters(sourceid, channum);
    if (!videoFilters.isEmpty())
    {
        m_recorder->SetVideoFilters(videoFilters);
        return true;
    }
 
    return false;
}
 
bool TVRec::IsReallyRecording(void)
{
    return ((m_recorder && m_recorder->IsRecording()) ||
            HasFlags(kFlagDummyRecorderRunning));
}
 
bool TVRec::IsBusy(InputInfo *busy_input, int time_buffer) const
{
    InputInfo dummy;
    if (!busy_input)
        busy_input = &dummy;
 
    busy_input->Clear();
 
    if (!m_channel)
        return false;
 
    if (!m_channel->GetInputID())
        return false;
 
    uint chanid = 0;
 
    if (GetState() != kState_None)
    {
        busy_input->m_inputId = m_channel->GetInputID();
        chanid                = m_channel->GetChanID();
    }
 
    PendingInfo pendinfo;
    bool has_pending = false;
    {
        m_pendingRecLock.lock();
        PendingMap::const_iterator it = m_pendingRecordings.find(m_inputId);
        has_pending = (it != m_pendingRecordings.end());
        if (has_pending)
            pendinfo = *it;
        m_pendingRecLock.unlock();
    }
 
    if (!busy_input->m_inputId && has_pending)
    {
        int timeLeft = MythDate::current()
            .secsTo(pendinfo.m_recordingStart);
 
        if (timeLeft <= time_buffer)
        {
            QString channum;
            QString input;
            if (pendinfo.m_info->QueryTuningInfo(channum, input))
            {
                busy_input->m_inputId = m_channel->GetInputID();
                chanid = pendinfo.m_info->GetChanID();
            }
        }
    }
 
    if (busy_input->m_inputId)
    {
        CardUtil::GetInputInfo(*busy_input);
        busy_input->m_chanId  = chanid;
        busy_input->m_mplexId = ChannelUtil::GetMplexID(busy_input->m_chanId);
        busy_input->m_mplexId =
            (32767 == busy_input->m_mplexId) ? 0 : busy_input->m_mplexId;
    }
 
    return busy_input->m_inputId != 0U;
}
 
 
float TVRec::GetFramerate(void)
{
    QMutexLocker lock(&m_stateChangeLock);
 
    if (m_recorder)
        return m_recorder->GetFrameRate();
    return -1.0F;
}
 
long long TVRec::GetFramesWritten(void)
{
    QMutexLocker lock(&m_stateChangeLock);
 
    if (m_recorder)
        return m_recorder->GetFramesWritten();
    return -1;
}
 
long long TVRec::GetFilePosition(void)
{
    QMutexLocker lock(&m_stateChangeLock);
 
    if (m_buffer)
        return m_buffer->GetWritePosition();
    return -1;
}
 
int64_t TVRec::GetKeyframePosition(uint64_t desired) const
{
    QMutexLocker lock(&m_stateChangeLock);
 
    if (m_recorder)
        return m_recorder->GetKeyframePosition(desired);
    return -1;
}
 
bool TVRec::GetKeyframePositions(
    int64_t start, int64_t end, frm_pos_map_t &map) const
{
    QMutexLocker lock(&m_stateChangeLock);
 
    if (m_recorder)
        return m_recorder->GetKeyframePositions(start, end, map);
 
    return false;
}
 
bool TVRec::GetKeyframeDurations(
    int64_t start, int64_t end, frm_pos_map_t &map) const
{
    QMutexLocker lock(&m_stateChangeLock);
 
    if (m_recorder)
        return m_recorder->GetKeyframeDurations(start, end, map);
 
    return false;
}
 
long long TVRec::GetMaxBitrate(void) const
{
    long long bitrate = 0;
    if (m_genOpt.m_inputType == "MPEG")
    {   // NOLINT(bugprone-branch-clone)
        bitrate = 10080000LL; // use DVD max bit rate
    }
    else if (m_genOpt.m_inputType == "HDPVR")
    {
        bitrate = 20200000LL; // Peek bit rate for HD-PVR
    }
    else if (!CardUtil::IsEncoder(m_genOpt.m_inputType))
    {
        bitrate = 22200000LL; // 1080i
    }
    else // frame grabber
    {
        bitrate = 10080000LL; // use DVD max bit rate, probably too big
    }
 
    return bitrate;
}
 
void TVRec::SpawnLiveTV(LiveTVChain *newchain, bool pip, QString startchan)
{
    QMutexLocker lock(&m_stateChangeLock);
 
    m_tvChain = newchain;
    m_tvChain->IncrRef(); // mark it for TVRec use
    m_tvChain->ReloadAll();
 
    QString hostprefix = MythCoreContext::GenMythURL(
                    gCoreContext->GetHostName(),
                    gCoreContext->GetBackendServerPort());
 
    m_tvChain->SetHostPrefix(hostprefix);
    m_tvChain->SetInputType(m_genOpt.m_inputType);
 
    m_isPip = pip;
    m_liveTVStartChannel = std::move(startchan);
 
    // Change to WatchingLiveTV
    ChangeState(kState_WatchingLiveTV);
    // Wait for state change to take effect
    WaitForEventThreadSleep();
 
    // Make sure StartRecording can't steal our tuner
    SetFlags(kFlagCancelNextRecording, __FILE__, __LINE__);
}
 
QString TVRec::GetChainID(void)
{
    if (m_tvChain)
        return m_tvChain->GetID();
    return "";
}
 
void TVRec::CheckForRecGroupChange(void)
{
    QMutexLocker lock(&m_stateChangeLock);
 
    if (m_internalState == kState_None)
        return; // already stopped
 
    if (!m_curRecording)
        return;
 
    const QString recgrp = m_curRecording->QueryRecordingGroup();
    m_curRecording->SetRecordingGroup(recgrp);
 
    if (recgrp != "LiveTV" && !m_pseudoLiveTVRecording)
    {
        // User wants this recording to continue
        SetPseudoLiveTVRecording(new RecordingInfo(*m_curRecording));
    }
    else if (recgrp == "LiveTV" && m_pseudoLiveTVRecording)
    {
        // User wants to abandon scheduled recording
        SetPseudoLiveTVRecording(nullptr);
    }
}
 
void TVRec::NotifySchedulerOfRecording(RecordingInfo *rec)
{
    if (!m_channel)
        return;
 
    // Notify scheduler of the recording.
    // + set up recording so it can be resumed
    rec->SetInputID(m_inputId);
    rec->SetRecordingRuleType(rec->GetRecordingRule()->m_type);
 
    if (rec->GetRecordingRuleType() == kNotRecording)
    {
        rec->SetRecordingRuleType(kSingleRecord);
        rec->GetRecordingRule()->m_type = kSingleRecord;
    }
 
    // + remove any end offset which would mismatch the live session
    rec->GetRecordingRule()->m_endOffset = 0;
 
    // + save RecStatus::Inactive recstatus to so that a reschedule call
    //   doesn't start recording this on another input before we
    //   send the SCHEDULER_ADD_RECORDING message to the scheduler.
    rec->SetRecordingStatus(RecStatus::Inactive);
    rec->AddHistory(false);
 
    // + save RecordingRule so that we get a recordid
    //   (don't allow RescheduleMatch(), avoiding unneeded reschedule)
    rec->GetRecordingRule()->Save(false);
 
    // + save recordid to recorded entry
    rec->ApplyRecordRecID();
 
    // + set proper recstatus (saved later)
    rec->SetRecordingStatus(RecStatus::Recording);
 
    // + pass proginfo to scheduler and reschedule
    QStringList prog;
    rec->ToStringList(prog);
    MythEvent me("SCHEDULER_ADD_RECORDING", prog);
    gCoreContext->dispatch(me);
 
    // Allow scheduler to end this recording before post-roll,
    // if it has another recording for this recorder.
    ClearFlags(kFlagCancelNextRecording, __FILE__, __LINE__);
}
 
void TVRec::InitAutoRunJobs(RecordingInfo *rec, AutoRunInitType t,
                            RecordingProfile *recpro, int line)
{
    if (kAutoRunProfile == t)
    {
        RecordingProfile profile;
        if (!recpro)
        {
            LoadProfile(nullptr, rec, profile);
            recpro = &profile;
        }
        m_autoRunJobs[rec->MakeUniqueKey()] =
            init_jobs(rec, *recpro, m_runJobOnHostOnly,
                      m_transcodeFirst, m_earlyCommFlag);
    }
    else
    {
        m_autoRunJobs[rec->MakeUniqueKey()] = JOB_NONE;
    }
    LOG(VB_JOBQUEUE, LOG_INFO,
        QString("InitAutoRunJobs for %1, line %2 -> 0x%3")
        .arg(rec->MakeUniqueKey()).arg(line)
        .arg(m_autoRunJobs[rec->MakeUniqueKey()],0,16));
}
 
void TVRec::SetLiveRecording(int recording)
{
    LOG(VB_GENERAL, LOG_INFO, LOC +
        QString("SetLiveRecording(%1)").arg(recording));
    QMutexLocker locker(&m_stateChangeLock);
 
    (void) recording;
 
    RecStatus::Type recstat = RecStatus::Cancelled;
    bool was_rec = m_pseudoLiveTVRecording;
    CheckForRecGroupChange();
    if (was_rec && !m_pseudoLiveTVRecording)
    {
        LOG(VB_GENERAL, LOG_INFO, LOC + "SetLiveRecording() -- cancel");
        // cancel -- 'recording' should be 0 or -1
        SetFlags(kFlagCancelNextRecording, __FILE__, __LINE__);
        m_curRecording->SetRecordingGroup("LiveTV");
        InitAutoRunJobs(m_curRecording, kAutoRunNone, nullptr, __LINE__);
    }
    else if (!was_rec && m_pseudoLiveTVRecording)
    {
        LOG(VB_GENERAL, LOG_INFO, LOC + "SetLiveRecording() -- record");
        // record -- 'recording' should be 1 or -1
 
        // If the last recording was flagged for keeping
        // in the frontend, then add the recording rule
        // so that transcode, commfrag, etc can be run.
        m_recordEndTime = GetRecordEndTime(m_pseudoLiveTVRecording);
        NotifySchedulerOfRecording(m_curRecording);
        recstat = m_curRecording->GetRecordingStatus();
        m_curRecording->SetRecordingGroup("Default");
        InitAutoRunJobs(m_curRecording, kAutoRunProfile, nullptr, __LINE__);
    }
 
    MythEvent me(QString("UPDATE_RECORDING_STATUS %1 %2 %3 %4 %5")
                 .arg(m_curRecording->GetInputID())
                 .arg(m_curRecording->GetChanID())
                 .arg(m_curRecording->GetScheduledStartTime(MythDate::ISODate))
                 .arg(recstat)
                 .arg(m_curRecording->GetRecordingEndTime(MythDate::ISODate)));
 
    gCoreContext->dispatch(me);
}
 
void TVRec::StopLiveTV(void)
{
    QMutexLocker lock(&m_stateChangeLock);
    LOG(VB_RECORD, LOG_INFO, LOC +
        QString("StopLiveTV(void) curRec: 0x%1 pseudoRec: 0x%2")
            .arg((uint64_t)m_curRecording,0,16)
            .arg((uint64_t)m_pseudoLiveTVRecording,0,16));
 
    if (m_internalState != kState_WatchingLiveTV)
        return;
 
    bool hadPseudoLiveTVRec = m_pseudoLiveTVRecording;
    CheckForRecGroupChange();
 
    if (!hadPseudoLiveTVRec && m_pseudoLiveTVRecording)
        NotifySchedulerOfRecording(m_curRecording);
 
    // Figure out next state and if needed recording end time.
    TVState next_state = kState_None;
    if (m_pseudoLiveTVRecording)
    {
        m_recordEndTime = GetRecordEndTime(m_pseudoLiveTVRecording);
        next_state = kState_RecordingOnly;
    }
 
    // Change to the appropriate state
    ChangeState(next_state);
 
    // Wait for state change to take effect...
    WaitForEventThreadSleep();
 
    // We are done with the tvchain...
    if (m_tvChain)
    {
        m_tvChain->DecrRef();
    }
    m_tvChain = nullptr;
}
 
void TVRec::PauseRecorder(void)
{
    QMutexLocker lock(&m_stateChangeLock);
 
    if (!m_recorder)
    {
        LOG(VB_GENERAL, LOG_ERR, LOC +
            "PauseRecorder() called with no recorder");
        return;
    }
 
    m_recorder->Pause();
}
 
void TVRec::RecorderPaused(void)
{
    if (m_pauseNotify)
        WakeEventLoop();
}
 
void TVRec::ToggleChannelFavorite(const QString& changroupname)
{
    QMutexLocker lock(&m_stateChangeLock);
 
    if (!m_channel)
        return;
 
    // Get current channel id...
    uint    sourceid = m_channel->GetSourceID();
    QString channum  = m_channel->GetChannelName();
    uint chanid = ChannelUtil::GetChanID(sourceid, channum);
 
    if (!chanid)
    {
        LOG(VB_GENERAL, LOG_ERR, LOC +
            QString("Channel: \'%1\' was not found in the database.\n"
                    "\t\tMost likely, the 'starting channel' for this "
                    "Input Connection is invalid.\n"
                    "\t\tCould not toggle favorite.").arg(channum));
        return;
    }
 
    int changrpid = ChannelGroup::GetChannelGroupId(changroupname);
    if (changrpid <1)
    {
          LOG(VB_RECORD, LOG_ERR, LOC +
              QString("ToggleChannelFavorite: Invalid channel group name %1,")
                  .arg(changroupname));
    }
    else
    {
        bool result = ChannelGroup::ToggleChannel(chanid, changrpid, true);
 
        if (!result)
           LOG(VB_RECORD, LOG_ERR, LOC + "Unable to toggle channel favorite.");
        else
        {
           LOG(VB_RECORD, LOG_INFO, LOC +
               QString("Toggled channel favorite.channum %1, chan group %2")
                   .arg(channum).arg(changroupname));
        }
    }
}
 
int TVRec::GetPictureAttribute(PictureAttribute attr)
{
    QMutexLocker lock(&m_stateChangeLock);
    if (!m_channel)
        return -1;
 
    int ret = m_channel->GetPictureAttribute(attr);
 
    return (ret < 0) ? -1 : ret / 655;
}
 
int TVRec::ChangePictureAttribute(PictureAdjustType type,
                                  PictureAttribute  attr,
                                  bool              direction)
{
    QMutexLocker lock(&m_stateChangeLock);
    if (!m_channel)
        return -1;
 
    int ret = m_channel->ChangePictureAttribute(type, attr, direction);
 
    return (ret < 0) ? -1 : ret / 655;
}
 
QString TVRec::GetInput(void) const
{
    if (m_channel)
        return m_channel->GetInputName();
    return QString();
}
 
uint TVRec::GetSourceID(void) const
{
    if (m_channel)
        return m_channel->GetSourceID();
    return 0;
}
 
QString TVRec::SetInput(QString input)
{
    QMutexLocker lock(&m_stateChangeLock);
    QString origIn = input;
    LOG(VB_RECORD, LOG_INFO, LOC + "SetInput(" + input + ") -- begin");
 
    if (!m_channel)
    {
        LOG(VB_RECORD, LOG_INFO, LOC + "SetInput() -- end  no channel class");
        return QString();
    }
 
    LOG(VB_RECORD, LOG_INFO, LOC + "SetInput(" + origIn + ":" + input +
        ") -- end  nothing to do");
    return input;
}
 
void TVRec::SetChannel(const QString& name, uint requestType)
{
    QMutexLocker locker1(&m_setChannelLock);
    QMutexLocker locker2(&m_stateChangeLock);
 
    LOG(VB_CHANNEL, LOG_INFO, LOC +
        QString("SetChannel(%1) -- begin").arg(name));
 
    // Detect tuning request type if needed
    if (requestType & kFlagDetect)
    {
        WaitForEventThreadSleep();
        requestType = m_lastTuningRequest.m_flags & (kFlagRec | kFlagNoRec);
    }
 
    // Clear the RingBuffer reset flag, in case we wait for a reset below
    ClearFlags(kFlagRingBufferReady, __FILE__, __LINE__);
 
    // Clear out any EITScan channel change requests
    auto it = m_tuningRequests.begin();
    while (it != m_tuningRequests.end())
    {
        if ((*it).m_flags & kFlagEITScan)
            it = m_tuningRequests.erase(it);
        else
            ++it;
    }
 
    // Actually add the tuning request to the queue, and
    // then wait for it to start tuning
    m_tuningRequests.enqueue(TuningRequest(requestType, name));
    WaitForEventThreadSleep();
 
    // If we are using a recorder, wait for a RingBuffer reset
    if (requestType & kFlagRec)
    {
        while (!HasFlags(kFlagRingBufferReady))
            WaitForEventThreadSleep();
    }
    LOG(VB_CHANNEL, LOG_INFO, LOC + QString("SetChannel(%1) -- end").arg(name));
}
 
bool TVRec::QueueEITChannelChange(const QString &name)
{
    LOG(VB_CHANNEL, LOG_INFO, LOC +
        QString("QueueEITChannelChange(%1) -- begin").arg(name));
 
    bool ok = false;
    if (m_setChannelLock.tryLock())
    {
        if (m_stateChangeLock.tryLock())
        {
            if (m_tuningRequests.empty())
            {
                m_tuningRequests.enqueue(TuningRequest(kFlagEITScan, name));
                ok = true;
            }
            m_stateChangeLock.unlock();
        }
        m_setChannelLock.unlock();
    }
 
    LOG(VB_CHANNEL, LOG_INFO, LOC +
        QString("QueueEITChannelChange(%1) -- end --> %2").arg(name).arg(ok));
 
    return ok;
}
 
void TVRec::GetNextProgram(BrowseDirection direction,
                           QString &title,       QString &subtitle,
                           QString &desc,        QString &category,
                           QString &starttime,   QString &endtime,
                           QString &callsign,    QString &iconpath,
                           QString &channum,     uint    &sourceChanid,
                           QString &seriesid,    QString &programid)
{
    QString compare     = "<=";
    QString sortorder   = "desc";
    uint    chanid      = 0;
 
    if (sourceChanid)
    {
        chanid = sourceChanid;
 
        if (BROWSE_UP == direction)
            chanid = m_channel->GetNextChannel(chanid, CHANNEL_DIRECTION_UP);
        else if (BROWSE_DOWN == direction)
            chanid = m_channel->GetNextChannel(chanid, CHANNEL_DIRECTION_DOWN);
        else if (BROWSE_FAVORITE == direction)
        {
            chanid = m_channel->GetNextChannel(
                chanid, CHANNEL_DIRECTION_FAVORITE);
        }
        else if (BROWSE_LEFT == direction)
        {
            compare = "<";
        }
        else if (BROWSE_RIGHT == direction)
        {
            compare = ">";
            sortorder = "asc";
        }
    }
 
    if (!chanid)
    {
        if (BROWSE_SAME == direction)
            chanid = m_channel->GetNextChannel(channum, CHANNEL_DIRECTION_SAME);
        else if (BROWSE_UP == direction)
            chanid = m_channel->GetNextChannel(channum, CHANNEL_DIRECTION_UP);
        else if (BROWSE_DOWN == direction)
            chanid = m_channel->GetNextChannel(channum, CHANNEL_DIRECTION_DOWN);
        else if (BROWSE_FAVORITE == direction)
        {
            chanid = m_channel->GetNextChannel(channum,
                                             CHANNEL_DIRECTION_FAVORITE);
        }
        else if (BROWSE_LEFT == direction)
        {
            chanid = m_channel->GetNextChannel(channum, CHANNEL_DIRECTION_SAME);
            compare = "<";
        }
        else if (BROWSE_RIGHT == direction)
        {
            chanid = m_channel->GetNextChannel(channum, CHANNEL_DIRECTION_SAME);
            compare = ">";
            sortorder = "asc";
        }
    }
 
    QString querystr = QString(
        "SELECT title,     subtitle, description, category, "
        "       starttime, endtime,  callsign,    icon,     "
        "       channum,   seriesid, programid "
        "FROM program, channel "
        "WHERE program.chanid = channel.chanid AND "
        "      channel.chanid = :CHANID        AND "
        "      starttime %1 :STARTTIME "
        "ORDER BY starttime %2 "
        "LIMIT 1").arg(compare).arg(sortorder);
 
    MSqlQuery query(MSqlQuery::InitCon());
    query.prepare(querystr);
    query.bindValue(":CHANID",    chanid);
    query.bindValue(":STARTTIME", starttime);
 
    // Clear everything now in case either query fails.
    title     = subtitle  = desc      = category  = "";
    starttime = endtime   = callsign  = iconpath  = "";
    channum   = seriesid  = programid = "";
    sourceChanid = 0;
 
    // Try to get the program info
    if (!query.exec() && !query.isActive())
    {
        MythDB::DBError("GetNextProgram -- get program info", query);
    }
    else if (query.next())
    {
        title     = query.value(0).toString();
        subtitle  = query.value(1).toString();
        desc      = query.value(2).toString();
        category  = query.value(3).toString();
        starttime = query.value(4).toString();
        endtime   = query.value(5).toString();
        callsign  = query.value(6).toString();
        iconpath  = query.value(7).toString();
        channum   = query.value(8).toString();
        seriesid  = query.value(9).toString();
        programid = query.value(10).toString();
        sourceChanid = chanid;
        return;
    }
 
    // Couldn't get program info, so get the channel info instead
    query.prepare(
        "SELECT channum, callsign, icon "
        "FROM channel "
        "WHERE chanid = :CHANID");
    query.bindValue(":CHANID", chanid);
 
    if (!query.exec() || !query.isActive())
    {
        MythDB::DBError("GetNextProgram -- get channel info", query);
    }
    else if (query.next())
    {
        sourceChanid = chanid;
        channum  = query.value(0).toString();
        callsign = query.value(1).toString();
        iconpath = query.value(2).toString();
    }
}
 
bool TVRec::GetChannelInfo(uint &chanid, uint &sourceid,
                           QString &callsign, QString &channum,
                           QString &channame, QString &xmltvid) const
{
    callsign.clear();
    channum.clear();
    channame.clear();
    xmltvid.clear();
 
    if ((!chanid || !sourceid) && !m_channel)
        return false;
 
    if (!chanid)
        chanid = (uint) max(m_channel->GetChanID(), 0);
 
    if (!sourceid)
        sourceid = m_channel->GetSourceID();
 
    MSqlQuery query(MSqlQuery::InitCon());
    query.prepare(
        "SELECT callsign, channum, name, xmltvid "
        "FROM channel "
        "WHERE chanid = :CHANID");
    query.bindValue(":CHANID", chanid);
    if (!query.exec() || !query.isActive())
    {
        MythDB::DBError("GetChannelInfo", query);
        return false;
    }
 
    if (!query.next())
        return false;
 
    callsign = query.value(0).toString();
    channum  = query.value(1).toString();
    channame = query.value(2).toString();
    xmltvid  = query.value(3).toString();
 
    return true;
}
 
bool TVRec::SetChannelInfo(uint chanid, uint sourceid,
                           const QString& oldchannum,
                           const QString& callsign, const QString& channum,
                           const QString& channame, const QString& xmltvid)
{
    if (!chanid || !sourceid || channum.isEmpty())
        return false;
 
    MSqlQuery query(MSqlQuery::InitCon());
    query.prepare(
        "UPDATE channel "
        "SET callsign = :CALLSIGN, "
        "    channum  = :CHANNUM,  "
        "    name     = :CHANNAME, "
        "    xmltvid  = :XMLTVID   "
        "WHERE chanid   = :CHANID AND "
        "      sourceid = :SOURCEID");
    query.bindValue(":CALLSIGN", callsign);
    query.bindValue(":CHANNUM",  channum);
    query.bindValue(":CHANNAME", channame);
    query.bindValue(":XMLTVID",  xmltvid);
    query.bindValue(":CHANID",   chanid);
    query.bindValue(":SOURCEID", sourceid);
 
    if (!query.exec())
    {
        MythDB::DBError("SetChannelInfo", query);
        return false;
    }
 
    if (m_channel)
        m_channel->Renumber(sourceid, oldchannum, channum);
 
    return true;
}
 
void TVRec::SetRingBuffer(MythMediaBuffer* Buffer)
{
    QMutexLocker lock(&m_stateChangeLock);
 
    MythMediaBuffer *oldbuffer = m_buffer;
    m_buffer = Buffer;
 
    if (oldbuffer && (oldbuffer != Buffer))
    {
        if (HasFlags(kFlagDummyRecorderRunning))
            ClearFlags(kFlagDummyRecorderRunning, __FILE__, __LINE__);
        delete oldbuffer;
    }
 
    m_switchingBuffer = false;
}
 
void TVRec::RingBufferChanged(MythMediaBuffer *Buffer, RecordingInfo *pginfo, RecordingQuality *recq)
{
    LOG(VB_GENERAL, LOG_INFO, LOC + "RingBufferChanged()");
 
    if (pginfo)
    {
        if (m_curRecording)
        {
            FinishedRecording(m_curRecording, recq);
            m_curRecording->MarkAsInUse(false, kRecorderInUseID);
            delete m_curRecording;
        }
        m_recordEndTime = GetRecordEndTime(pginfo);
        m_curRecording = new RecordingInfo(*pginfo);
        m_curRecording->MarkAsInUse(true, kRecorderInUseID);
        m_curRecording->SetRecordingStatus(RecStatus::Recording);
    }
 
    SetRingBuffer(Buffer);
}
 
QString TVRec::TuningGetChanNum(const TuningRequest &request,
                                QString &input) const
{
    QString channum;
 
    if (request.m_program)
    {
        request.m_program->QueryTuningInfo(channum, input);
        return channum;
    }
 
    channum = request.m_channel;
    input   = request.m_input;
 
    // If this is Live TV startup, we need a channel...
    if (channum.isEmpty() && (request.m_flags & kFlagLiveTV))
    {
        if (!m_liveTVStartChannel.isEmpty())
            channum = m_liveTVStartChannel;
        else
        {
            input   = CardUtil::GetInputName(m_inputId);
            channum = GetStartChannel(m_inputId);
        }
    }
    if (request.m_flags & kFlagLiveTV)
        m_channel->Init(channum, false);
 
    if (m_channel && !channum.isEmpty() && (channum.indexOf("NextChannel") >= 0))
    {
        // FIXME This is just horrible
        int dir     = channum.right(channum.length() - 12).toInt();
        uint chanid = m_channel->GetNextChannel(0, static_cast<ChannelChangeDirection>(dir));
        channum     = ChannelUtil::GetChanNum(chanid);
    }
 
    return channum;
}
 
bool TVRec::TuningOnSameMultiplex(TuningRequest &request)
{
    if ((request.m_flags & kFlagAntennaAdjust) || request.m_input.isEmpty() ||
        !GetDTVRecorder() || m_signalMonitor || !m_channel || !m_channel->IsOpen())
    {
        return false;
    }
 
    uint    sourceid   = m_channel->GetSourceID();
    QString oldchannum = m_channel->GetChannelName();
    QString newchannum = request.m_channel;
 
    if (ChannelUtil::IsOnSameMultiplex(sourceid, newchannum, oldchannum))
    {
        MPEGStreamData *mpeg = GetDTVRecorder()->GetStreamData();
        auto *atsc = dynamic_cast<ATSCStreamData*>(mpeg);
 
        if (atsc)
        {
            uint major = 0;
            uint minor = 0;
            ChannelUtil::GetATSCChannel(sourceid, newchannum, major, minor);
 
            if (minor && atsc->HasChannel(major, minor))
            {
                request.m_majorChan = major;
                request.m_minorChan = minor;
                return true;
            }
        }
 
        if (mpeg)
        {
            uint progNum = ChannelUtil::GetProgramNumber(sourceid, newchannum);
            if (mpeg->HasProgram(progNum))
            {
                request.m_progNum = progNum;
                return true;
            }
        }
    }
 
    return false;
}
 
void TVRec::HandleTuning(void)
{
    if (!m_tuningRequests.empty())
    {
        TuningRequest request = m_tuningRequests.front();
        LOG(VB_RECORD, LOG_INFO, LOC +
            "HandleTuning Request: " + request.toString());
 
        QString input;
        request.m_channel = TuningGetChanNum(request, input);
        request.m_input   = input;
 
        if (TuningOnSameMultiplex(request))
            LOG(VB_CHANNEL, LOG_INFO, LOC + "On same multiplex");
 
        TuningShutdowns(request);
 
        // The dequeue isn't safe to do until now because we
        // release the stateChangeLock to teardown a recorder
        m_tuningRequests.dequeue();
 
        // Now we start new stuff
        if (request.m_flags & (kFlagRecording|kFlagLiveTV|
                               kFlagEITScan|kFlagAntennaAdjust))
        {
            if (!m_recorder)
            {
                LOG(VB_RECORD, LOG_INFO, LOC +
                    "No recorder yet, calling TuningFrequency");
                TuningFrequency(request);
            }
            else
            {
                LOG(VB_RECORD, LOG_INFO, LOC + "Waiting for recorder pause..");
                SetFlags(kFlagWaitingForRecPause, __FILE__, __LINE__);
            }
        }
        m_lastTuningRequest = request;
    }
 
    if (HasFlags(kFlagWaitingForRecPause))
    {
        if (!m_recorder->IsPaused())
            return;
 
        ClearFlags(kFlagWaitingForRecPause, __FILE__, __LINE__);
        LOG(VB_RECORD, LOG_INFO, LOC +
            "Recorder paused, calling TuningFrequency");
        TuningFrequency(m_lastTuningRequest);
    }
 
    MPEGStreamData *streamData = nullptr;
    if (HasFlags(kFlagWaitingForSignal) && !(streamData = TuningSignalCheck()))
        return;
 
    if (HasFlags(kFlagNeedToStartRecorder))
    {
        if (m_recorder)
            TuningRestartRecorder();
        else
            TuningNewRecorder(streamData);
 
        // If we got this far it is safe to set a new starting channel...
        if (m_channel)
            m_channel->StoreInputChannels();
    }
}
 
void TVRec::TuningShutdowns(const TuningRequest &request)
{
    LOG(VB_RECORD, LOG_INFO, LOC + QString("TuningShutdowns(%1)")
        .arg(request.toString()));
 
    QString channum;
    QString inputname;
 
    if (m_scanner && !(request.m_flags & kFlagEITScan) &&
        HasFlags(kFlagEITScannerRunning))
    {
        m_scanner->StopActiveScan();
        ClearFlags(kFlagEITScannerRunning, __FILE__, __LINE__);
        m_eitScanStartTime = MythDate::current().addSecs(
            m_eitCrawlIdleStart + eit_start_rand(m_eitTransportTimeout));
    }
 
    if (m_scanner && !request.IsOnSameMultiplex())
        m_scanner->StopPassiveScan();
 
    if (HasFlags(kFlagSignalMonitorRunning))
    {
        MPEGStreamData *sd = nullptr;
        if (GetDTVSignalMonitor())
            sd = GetDTVSignalMonitor()->GetStreamData();
        TeardownSignalMonitor();
        ClearFlags(kFlagSignalMonitorRunning, __FILE__, __LINE__);
 
        // Delete StreamData if it is not in use by the recorder.
        MPEGStreamData *rec_sd = nullptr;
        if (GetDTVRecorder())
            rec_sd = GetDTVRecorder()->GetStreamData();
        if (sd && (sd != rec_sd))
            delete sd;
    }
    if (HasFlags(kFlagWaitingForSignal))
        ClearFlags(kFlagWaitingForSignal, __FILE__, __LINE__);
 
    // At this point any waits are canceled.
 
    if (request.m_flags & kFlagNoRec)
    {
        if (HasFlags(kFlagDummyRecorderRunning))
        {
            FinishedRecording(m_curRecording, nullptr);
            ClearFlags(kFlagDummyRecorderRunning, __FILE__, __LINE__);
            m_curRecording->MarkAsInUse(false, kRecorderInUseID);
        }
 
        if (HasFlags(kFlagRecorderRunning) ||
            (m_curRecording &&
             (m_curRecording->GetRecordingStatus() == RecStatus::Failed ||
              m_curRecording->GetRecordingStatus() == RecStatus::Failing)))
        {
            m_stateChangeLock.unlock();
            TeardownRecorder(request.m_flags);
            m_stateChangeLock.lock();
        }
        // At this point the recorders are shut down
 
        CloseChannel();
        // At this point the channel is shut down
    }
 
    if (m_buffer && (request.m_flags & kFlagKillRingBuffer))
    {
        LOG(VB_RECORD, LOG_INFO, LOC + "Tearing down RingBuffer");
        SetRingBuffer(nullptr);
        // At this point the ringbuffer is shut down
    }
 
    // Clear pending actions from last request
    ClearFlags(kFlagPendingActions, __FILE__, __LINE__);
}
 
void TVRec::TuningFrequency(const TuningRequest &request)
{
    LOG(VB_GENERAL, LOG_INFO, LOC + "TuningFrequency");
 
    DTVChannel *dtvchan = GetDTVChannel();
    if (dtvchan)
    {
        MPEGStreamData *mpeg = nullptr;
 
        if (GetDTVRecorder())
            mpeg = GetDTVRecorder()->GetStreamData();
 
        const QString tuningmode = (HasFlags(kFlagEITScannerRunning)) ?
            dtvchan->GetSIStandard() :
            dtvchan->GetSuggestedTuningMode(
                kState_WatchingLiveTV == m_internalState);
 
        dtvchan->SetTuningMode(tuningmode);
 
        if (request.m_minorChan && (tuningmode == "atsc"))
        {
            m_channel->SetChannelByString(request.m_channel);
 
            auto *atsc = dynamic_cast<ATSCStreamData*>(mpeg);
            if (atsc)
                atsc->SetDesiredChannel(request.m_majorChan, request.m_minorChan);
        }
        else if (request.m_progNum >= 0)
        {
            m_channel->SetChannelByString(request.m_channel);
 
            if (mpeg)
                mpeg->SetDesiredProgram(request.m_progNum);
        }
    }
 
    if (request.IsOnSameMultiplex())
    {
        // Update the channel number for SwitchLiveTVRingBuffer (called from
        // TuningRestartRecorder).  This ensures that the livetvchain will be
        // updated with the new channel number
        if (m_channel)
        {
            m_channel->Renumber( CardUtil::GetSourceID(m_channel->GetInputID()),
                                 m_channel->GetChannelName(), request.m_channel );
        }
 
        QStringList slist;
        slist<<"message"<<QObject::tr("On known multiplex...");
        MythEvent me(QString("SIGNAL %1").arg(m_inputId), slist);
        gCoreContext->dispatch(me);
 
        SetFlags(kFlagNeedToStartRecorder, __FILE__, __LINE__);
        return;
    }
 
    QString channum = request.m_channel;
 
    bool ok1 = true;
    if (m_channel)
    {
        m_channel->Open();
        if (!channum.isEmpty())
            ok1 = m_channel->SetChannelByString(channum);
        else
            ok1 = false;
    }
 
    if (!ok1)
    {
        if (!(request.m_flags & kFlagLiveTV) || !(request.m_flags & kFlagEITScan))
        {
            if (m_curRecording)
                m_curRecording->SetRecordingStatus(RecStatus::Failed);
 
            LOG(VB_GENERAL, LOG_ERR, LOC +
                QString("Failed to set channel to %1. Reverting to kState_None")
                    .arg(channum));
            if (kState_None != m_internalState)
                ChangeState(kState_None);
            else
                m_tuningRequests.enqueue(TuningRequest(kFlagKillRec));
            return;
        }
 
        LOG(VB_GENERAL, LOG_ERR, LOC +
            QString("Failed to set channel to %1.").arg(channum));
    }
 
 
    bool mpts_only = GetDTVChannel() &&
                     GetDTVChannel()->GetFormat().compare("MPTS") == 0;
    if (mpts_only)
    {
        // Not using a signal monitor, so just set the status to recording
        SetRecordingStatus(RecStatus::Recording, __LINE__);
        if (m_curRecording)
        {
            m_curRecording->SetRecordingStatus(RecStatus::Recording);
        }
    }
 
 
    bool livetv = (request.m_flags & kFlagLiveTV) != 0U;
    bool antadj = (request.m_flags & kFlagAntennaAdjust) != 0U;
    bool use_sm = !mpts_only && SignalMonitor::IsRequired(m_genOpt.m_inputType);
    bool use_dr = use_sm && (livetv || antadj);
    bool has_dummy = false;
 
    if (use_dr)
    {
        // We need there to be a ringbuffer for these modes
        bool ok2 = false;
        RecordingInfo *tmp = m_pseudoLiveTVRecording;
        m_pseudoLiveTVRecording = nullptr;
 
        m_tvChain->SetInputType("DUMMY");
 
        if (!m_buffer)
            ok2 = CreateLiveTVRingBuffer(channum);
        else
            ok2 = SwitchLiveTVRingBuffer(channum, true, false);
        m_pseudoLiveTVRecording = tmp;
 
        m_tvChain->SetInputType(m_genOpt.m_inputType);
 
        if (!ok2)
        {
            LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to create RingBuffer 1");
            return;
        }
 
        has_dummy = true;
    }
 
    // Start signal monitoring for devices capable of monitoring
    if (use_sm)
    {
        LOG(VB_RECORD, LOG_INFO, LOC + "Starting Signal Monitor");
        bool error = false;
        if (!SetupSignalMonitor(
                !antadj, (request.m_flags & kFlagEITScan) != 0U, livetv || antadj))
        {
            LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to setup signal monitor");
            if (m_signalMonitor)
            {
                delete m_signalMonitor;
                m_signalMonitor = nullptr;
            }
 
            // pretend the signal monitor is running to prevent segfault
            SetFlags(kFlagSignalMonitorRunning, __FILE__, __LINE__);
            ClearFlags(kFlagWaitingForSignal, __FILE__, __LINE__);
            error = true;
        }
 
        if (m_signalMonitor)
        {
            if (request.m_flags & kFlagEITScan)
            {
                GetDTVSignalMonitor()->GetStreamData()->
                    SetVideoStreamsRequired(0);
                GetDTVSignalMonitor()->IgnoreEncrypted(true);
            }
 
            SetFlags(kFlagSignalMonitorRunning, __FILE__, __LINE__);
            ClearFlags(kFlagWaitingForSignal, __FILE__, __LINE__);
            if (!antadj)
            {
                QDateTime expire = MythDate::current();
 
                SetFlags(kFlagWaitingForSignal, __FILE__, __LINE__);
                if (m_curRecording)
                {
                    m_reachedRecordingDeadline = m_reachedPreFail = false;
                    // If startRecordingDeadline is passed, this
                    // recording is marked as failed, so the scheduler
                    // can try another showing.
                    m_startRecordingDeadline =
                        expire.addMSecs(m_genOpt.m_channelTimeout);
                    m_preFailDeadline =
                        expire.addMSecs(m_genOpt.m_channelTimeout * 2 / 3);
                    // Keep trying to record this showing (even if it
                    // has been marked as failed) until the scheduled
                    // end time.
                    m_signalMonitorDeadline =
                        m_curRecording->GetRecordingEndTime().addSecs(-10);
 
                    LOG(VB_CHANNEL, LOG_DEBUG, LOC +
                        QString("Pre-fail start deadline: %1 "
                                "Start recording deadline: %2 "
                                "Good signal deadline: %3")
                        .arg(m_preFailDeadline.toLocalTime()
                             .toString("hh:mm:ss.zzz"))
                        .arg(m_startRecordingDeadline.toLocalTime()
                             .toString("hh:mm:ss.zzz"))
                        .arg(m_signalMonitorDeadline.toLocalTime()
                             .toString("hh:mm:ss.zzz")));
                }
                else
                {
                    m_signalMonitorDeadline =
                        expire.addMSecs(m_genOpt.m_channelTimeout);
                }
                m_signalMonitorCheckCnt = 0;
 
                //System Event TUNING_TIMEOUT deadline
                m_signalEventCmdTimeout = expire.addMSecs(m_genOpt.m_channelTimeout);
                m_signalEventCmdSent = false;
            }
        }
 
        if (has_dummy && m_buffer)
        {
            // Make sure recorder doesn't point to bogus ringbuffer before
            // it is potentially restarted without a new ringbuffer, if
            // the next channel won't tune and the user exits LiveTV.
            if (m_recorder)
                m_recorder->SetRingBuffer(nullptr);
 
            SetFlags(kFlagDummyRecorderRunning, __FILE__, __LINE__);
            LOG(VB_RECORD, LOG_INFO, "DummyDTVRecorder -- started");
            SetFlags(kFlagRingBufferReady, __FILE__, __LINE__);
        }
 
        // if we had problems starting the signal monitor,
        // we don't want to start the recorder...
        if (error)
            return;
    }
 
    // Request a recorder, if the command is a recording command
    ClearFlags(kFlagNeedToStartRecorder, __FILE__, __LINE__);
    if (request.m_flags & kFlagRec && !antadj)
        SetFlags(kFlagNeedToStartRecorder, __FILE__, __LINE__);
}
 
MPEGStreamData *TVRec::TuningSignalCheck(void)
{
    RecStatus::Type newRecStatus = RecStatus::Unknown;
    bool keep_trying  = false;
    QDateTime current_time = MythDate::current();
 
    if ((m_signalMonitor->IsErrored() || current_time > m_signalEventCmdTimeout) &&
         !m_signalEventCmdSent)
    {
        gCoreContext->SendSystemEvent(QString("TUNING_SIGNAL_TIMEOUT CARDID %1")
                                      .arg(m_inputId));
        m_signalEventCmdSent = true;
    }
 
    if (m_signalMonitor->IsAllGood())
    {
        LOG(VB_RECORD, LOG_INFO, LOC + "TuningSignalCheck: Good signal");
        if (m_curRecording && (current_time > m_startRecordingDeadline))
        {
            newRecStatus = RecStatus::Failing;
            m_curRecording->SaveVideoProperties(VID_DAMAGED, VID_DAMAGED);
 
            QString desc = tr("Good signal seen after %1 ms")
                           .arg(m_genOpt.m_channelTimeout +
                        m_startRecordingDeadline.msecsTo(current_time));
            QString title = m_curRecording->GetTitle();
            if (!m_curRecording->GetSubtitle().isEmpty())
                title += " - " + m_curRecording->GetSubtitle();
 
            MythNotification mn(MythNotification::Check, desc,
                                "Recording", title,
                                tr("See 'Tuning timeout' in mythtv-setup "
                                   "for this input."));
            gCoreContext->SendEvent(MythEvent(mn));
 
            LOG(VB_GENERAL, LOG_WARNING, LOC +
                QString("It took longer than %1 ms to get a signal lock. "
                        "Keeping status of '%2'")
                .arg(m_genOpt.m_channelTimeout)
                .arg(RecStatus::toString(newRecStatus, kSingleRecord)));
            LOG(VB_GENERAL, LOG_WARNING, LOC +
                "See 'Tuning timeout' in mythtv-setup for this input");
        }
        else
        {
            newRecStatus = RecStatus::Recording;
        }
    }
    else if (m_signalMonitor->IsErrored() || current_time > m_signalMonitorDeadline)
    {
        LOG(VB_GENERAL, LOG_ERR, LOC + "TuningSignalCheck: SignalMonitor " +
            (m_signalMonitor->IsErrored() ? "failed" : "timed out"));
 
        ClearFlags(kFlagNeedToStartRecorder, __FILE__, __LINE__);
        newRecStatus = RecStatus::Failed;
 
        if (m_scanner && HasFlags(kFlagEITScannerRunning))
        {
            m_tuningRequests.enqueue(TuningRequest(kFlagNoRec));
        }
    }
    else if (m_curRecording && !m_reachedPreFail && current_time > m_preFailDeadline)
    {
        LOG(VB_GENERAL, LOG_ERR, LOC +
            "TuningSignalCheck: Hit pre-fail timeout");
        SendMythSystemRecEvent("REC_PREFAIL", m_curRecording);
        m_reachedPreFail = true;
        return nullptr;
    }
    else if (m_curRecording && !m_reachedRecordingDeadline &&
             current_time > m_startRecordingDeadline)
    {
        newRecStatus = RecStatus::Failing;
        m_reachedRecordingDeadline = true;
        keep_trying = true;
 
        SendMythSystemRecEvent("REC_FAILING", m_curRecording);
 
        QString desc = tr("Taking more than %1 ms to get a lock.")
                       .arg(m_genOpt.m_channelTimeout);
        QString title = m_curRecording->GetTitle();
        if (!m_curRecording->GetSubtitle().isEmpty())
            title += " - " + m_curRecording->GetSubtitle();
 
        MythNotification mn(MythNotification::Error, desc,
                            "Recording", title,
                            tr("See 'Tuning timeout' in mythtv-setup "
                               "for this input."));
        mn.SetDuration(30);
        gCoreContext->SendEvent(MythEvent(mn));
 
        LOG(VB_GENERAL, LOG_WARNING, LOC +
            QString("TuningSignalCheck: taking more than %1 ms to get a lock. "
                    "marking this recording as '%2'.")
            .arg(m_genOpt.m_channelTimeout)
            .arg(RecStatus::toString(newRecStatus, kSingleRecord)));
        LOG(VB_GENERAL, LOG_WARNING, LOC +
            "See 'Tuning timeout' in mythtv-setup for this input");
    }
    else
    {
        if (m_signalMonitorCheckCnt) // Don't flood log file
            --m_signalMonitorCheckCnt;
        else
        {
            LOG(VB_RECORD, LOG_INFO, LOC +
                QString("TuningSignalCheck: Still waiting.  Will timeout @ %1")
                .arg(m_signalMonitorDeadline.toLocalTime()
                     .toString("hh:mm:ss.zzz")));
            m_signalMonitorCheckCnt = 5;
        }
        return nullptr;
    }
 
    SetRecordingStatus(newRecStatus, __LINE__);
 
    if (m_curRecording)
    {
        m_curRecording->SetRecordingStatus(newRecStatus);
        MythEvent me(QString("UPDATE_RECORDING_STATUS %1 %2 %3 %4 %5")
                    .arg(m_curRecording->GetInputID())
                    .arg(m_curRecording->GetChanID())
                    .arg(m_curRecording->GetScheduledStartTime(MythDate::ISODate))
                    .arg(newRecStatus)
                    .arg(m_curRecording->GetRecordingEndTime(MythDate::ISODate)));
        gCoreContext->dispatch(me);
    }
 
    if (keep_trying)
        return nullptr;
 
    // grab useful data from DTV signal monitor before we kill it...
    MPEGStreamData *streamData = nullptr;
    if (GetDTVSignalMonitor())
        streamData = GetDTVSignalMonitor()->GetStreamData();
 
    if (!HasFlags(kFlagEITScannerRunning))
    {
        // shut down signal monitoring
        TeardownSignalMonitor();
        ClearFlags(kFlagSignalMonitorRunning, __FILE__, __LINE__);
    }
    ClearFlags(kFlagWaitingForSignal, __FILE__, __LINE__);
 
    if (streamData)
    {
        auto *dsd = dynamic_cast<DVBStreamData*>(streamData);
        if (dsd)
            dsd->SetDishNetEIT(is_dishnet_eit(m_inputId));
        if (!get_use_eit(GetInputId()))
        {
            LOG(VB_EIT, LOG_INFO, LOC +
                "EIT scanning disabled for all sources on this input.");
        }
        else if (m_scanner)
            m_scanner->StartPassiveScan(m_channel, streamData);
    }
 
    return streamData;
}
 
static int init_jobs(const RecordingInfo *rec, RecordingProfile &profile,
                      bool on_host, bool transcode_bfr_comm, bool on_line_comm)
{
    if (!rec)
        return 0; // no jobs for Live TV recordings..
 
    int jobs = 0; // start with no jobs
 
    // grab standard jobs flags from program info
    JobQueue::AddJobsToMask(rec->GetAutoRunJobs(), jobs);
 
    // disable commercial flagging on PBS, BBC, etc.
    if (rec->IsCommercialFree())
        JobQueue::RemoveJobsFromMask(JOB_COMMFLAG, jobs);
 
    // disable transcoding if the profile does not allow auto transcoding
    const StandardSetting *autoTrans = profile.byName("autotranscode");
    if ((!autoTrans) || (autoTrans->getValue().toInt() == 0))
        JobQueue::RemoveJobsFromMask(JOB_TRANSCODE, jobs);
 
    bool ml = JobQueue::JobIsInMask(JOB_METADATA, jobs);
    if (ml)
    {
        // When allowed, metadata lookup should occur at the
        // start of a recording to make the additional info
        // available immediately (and for use in future jobs).
        QString host = (on_host) ? gCoreContext->GetHostName() : "";
        JobQueue::QueueJob(JOB_METADATA,
                           rec->GetChanID(),
                           rec->GetRecordingStartTime(), "", "",
                           host, JOB_LIVE_REC);
 
        // don't do regular metadata lookup, we won't need it.
        JobQueue::RemoveJobsFromMask(JOB_METADATA, jobs);
    }
 
    // is commercial flagging enabled, and is on-line comm flagging enabled?
    bool rt = JobQueue::JobIsInMask(JOB_COMMFLAG, jobs) && on_line_comm;
    // also, we either need transcoding to be disabled or
    // we need to be allowed to commercial flag before transcoding?
    rt &= JobQueue::JobIsNotInMask(JOB_TRANSCODE, jobs) ||
        !transcode_bfr_comm;
    if (rt)
    {
        // queue up real-time (i.e. on-line) commercial flagging.
        QString host = (on_host) ? gCoreContext->GetHostName() : "";
        JobQueue::QueueJob(JOB_COMMFLAG,
                           rec->GetChanID(),
                           rec->GetRecordingStartTime(), "", "",
                           host, JOB_LIVE_REC);
 
        // don't do regular comm flagging, we won't need it.
        JobQueue::RemoveJobsFromMask(JOB_COMMFLAG, jobs);
    }
 
    return jobs;
}
 
QString TVRec::LoadProfile(void *tvchain, RecordingInfo *rec,
                           RecordingProfile &profile) const
{
    // Determine the correct recording profile.
    // In LiveTV mode use "Live TV" profile, otherwise use the
    // recording's specified profile. If the desired profile can't
    // be found, fall back to the "Default" profile for input type.
    QString profileName = "Live TV";
    if (!tvchain && rec)
        profileName = rec->GetRecordingRule()->m_recProfile;
 
    QString profileRequested = profileName;
 
    if (profile.loadByType(profileName, m_genOpt.m_inputType,
                           m_genOpt.m_videoDev))
    {
        LOG(VB_RECORD, LOG_INFO, LOC +
            QString("Using profile '%1' to record")
                .arg(profileName));
    }
    else
    {
        profileName = "Default";
        if (profile.loadByType(profileName, m_genOpt.m_inputType, m_genOpt.m_videoDev))
        {
            LOG(VB_RECORD, LOG_INFO, LOC +
                QString("Profile '%1' not found, using "
                        "fallback profile '%2' to record")
                    .arg(profileRequested).arg(profileName));
        }
        else
        {
            LOG(VB_RECORD, LOG_ERR, LOC +
                QString("Profile '%1' not found, and unable "
                        "to load fallback profile '%2'.  Results "
                        "may be unpredicable")
                    .arg(profileRequested).arg(profileName));
        }
    }
 
    return profileName;
}
 
void TVRec::TuningNewRecorder(MPEGStreamData *streamData)
{
    LOG(VB_RECORD, LOG_INFO, LOC + "Starting Recorder");
 
    bool had_dummyrec = false;
    if (HasFlags(kFlagDummyRecorderRunning))
    {
        FinishedRecording(m_curRecording, nullptr);
        ClearFlags(kFlagDummyRecorderRunning, __FILE__, __LINE__);
        m_curRecording->MarkAsInUse(false, kRecorderInUseID);
        had_dummyrec = true;
    }
 
    RecordingInfo *rec = m_lastTuningRequest.m_program;
 
    RecordingProfile profile;
    m_recProfileName = LoadProfile(m_tvChain, rec, profile);
 
    if (m_tvChain)
    {
        bool ok = false;
        if (!m_buffer)
        {
            ok = CreateLiveTVRingBuffer(m_channel->GetChannelName());
            SetFlags(kFlagRingBufferReady, __FILE__, __LINE__);
        }
        else
            ok = SwitchLiveTVRingBuffer(m_channel->GetChannelName(),
                                        true, !had_dummyrec && m_recorder);
        if (!ok)
        {
            LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to create RingBuffer 2");
            goto err_ret;
        }
        rec = m_curRecording;  // new'd in Create/SwitchLiveTVRingBuffer()
    }
 
    if (m_lastTuningRequest.m_flags & kFlagRecording)
    {
        bool write = m_genOpt.m_inputType != "IMPORT";
        LOG(VB_GENERAL, LOG_INFO, LOC + QString("rec->GetPathname(): '%1'")
                .arg(rec->GetPathname()));
        SetRingBuffer(MythMediaBuffer::Create(rec->GetPathname(), write));
        if (!m_buffer->IsOpen() && write)
        {
            LOG(VB_GENERAL, LOG_ERR, LOC +
                QString("RingBuffer '%1' not open...")
                    .arg(rec->GetPathname()));
            SetRingBuffer(nullptr);
            ClearFlags(kFlagPendingActions, __FILE__, __LINE__);
            goto err_ret;
        }
    }
 
    if (!m_buffer)
    {
        LOG(VB_GENERAL, LOG_ERR, LOC +
            QString("Failed to start recorder!  ringBuffer is NULL\n"
                    "\t\t\t\t  Tuning request was %1\n")
                .arg(m_lastTuningRequest.toString()));
 
        if (HasFlags(kFlagLiveTV))
        {
            QString message = QString("QUIT_LIVETV %1").arg(m_inputId);
            MythEvent me(message);
            gCoreContext->dispatch(me);
        }
        goto err_ret;
    }
 
    if (m_channel && m_genOpt.m_inputType == "MJPEG")
        m_channel->Close(); // Needed because of NVR::MJPEGInit()
 
    LOG(VB_GENERAL, LOG_INFO, LOC + "TuningNewRecorder - CreateRecorder()");
    m_recorder = RecorderBase::CreateRecorder(this, m_channel, profile, m_genOpt);
 
    if (m_recorder)
    {
        m_recorder->SetRingBuffer(m_buffer);
        m_recorder->Initialize();
        if (m_recorder->IsErrored())
        {
            LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to initialize recorder!");
            delete m_recorder;
            m_recorder = nullptr;
        }
    }
 
    if (!m_recorder)
    {
        LOG(VB_GENERAL, LOG_ERR, LOC +
            QString("Failed to start recorder!\n"
                    "\t\t\t\t  Tuning request was %1\n")
                .arg(m_lastTuningRequest.toString()));
 
        if (HasFlags(kFlagLiveTV))
        {
            QString message = QString("QUIT_LIVETV %1").arg(m_inputId);
            MythEvent me(message);
            gCoreContext->dispatch(me);
        }
        TeardownRecorder(kFlagKillRec);
        goto err_ret;
    }
 
    if (rec)
        m_recorder->SetRecording(rec);
 
    if (GetDTVRecorder() && streamData)
    {
        const StandardSetting *setting = profile.byName("recordingtype");
        if (setting)
            streamData->SetRecordingType(setting->getValue());
        GetDTVRecorder()->SetStreamData(streamData);
    }
 
    if (m_channel && m_genOpt.m_inputType == "MJPEG")
        m_channel->Open(); // Needed because of NVR::MJPEGInit()
 
    // Setup for framebuffer capture devices..
    if (m_channel)
    {
        SetVideoFiltersForChannel(m_channel->GetSourceID(),
                                  m_channel->GetChannelName());
    }
 
    if (GetV4LChannel())
    {
        m_channel->InitPictureAttributes();
        CloseChannel();
    }
 
    m_recorderThread = new MThread("RecThread", m_recorder);
    m_recorderThread->start();
 
    // Wait for recorder to start.
    m_stateChangeLock.unlock();
    while (!m_recorder->IsRecording() && !m_recorder->IsErrored())
        std::this_thread::sleep_for(std::chrono::microseconds(5));
    m_stateChangeLock.lock();
 
    if (GetV4LChannel())
        m_channel->SetFd(m_recorder->GetVideoFd());
 
    SetFlags(kFlagRecorderRunning | kFlagRingBufferReady, __FILE__, __LINE__);
 
    ClearFlags(kFlagNeedToStartRecorder, __FILE__, __LINE__);
 
    //workaround for failed import recordings, no signal monitor means we never
    //go to recording state and the status here seems to override the status
    //set in the importrecorder and backend via setrecordingstatus
    if (m_genOpt.m_inputType == "IMPORT")
    {
        SetRecordingStatus(RecStatus::Recording, __LINE__);
        if (m_curRecording)
            m_curRecording->SetRecordingStatus(RecStatus::Recording);
    }
    return;
 
  err_ret:
    SetRecordingStatus(RecStatus::Failed, __LINE__, true);
    ChangeState(kState_None);
 
    if (rec)
    {
        // Make sure the scheduler knows...
        rec->SetRecordingStatus(RecStatus::Failed);
        LOG(VB_RECORD, LOG_INFO, LOC +
            QString("TuningNewRecorder -- UPDATE_RECORDING_STATUS: %1")
            .arg(RecStatus::toString(RecStatus::Failed, kSingleRecord)));
        MythEvent me(QString("UPDATE_RECORDING_STATUS %1 %2 %3 %4 %5")
                     .arg(rec->GetInputID())
                     .arg(rec->GetChanID())
                     .arg(rec->GetScheduledStartTime(MythDate::ISODate))
                     .arg(RecStatus::Failed)
                     .arg(rec->GetRecordingEndTime(MythDate::ISODate)));
        gCoreContext->dispatch(me);
    }
 
    if (m_tvChain)
        delete rec;
}
 
void TVRec::TuningRestartRecorder(void)
{
    LOG(VB_RECORD, LOG_INFO, LOC + "Restarting Recorder");
 
    bool had_dummyrec = false;
 
    if (m_curRecording)
    {
        FinishedRecording(m_curRecording, nullptr);
        m_curRecording->MarkAsInUse(false, kRecorderInUseID);
    }
 
    if (HasFlags(kFlagDummyRecorderRunning))
    {
        ClearFlags(kFlagDummyRecorderRunning, __FILE__, __LINE__);
        had_dummyrec = true;
    }
 
    SwitchLiveTVRingBuffer(m_channel->GetChannelName(), true, !had_dummyrec);
 
    if (had_dummyrec)
    {
        m_recorder->SetRingBuffer(m_buffer);
        ProgramInfo *progInfo = m_tvChain->GetProgramAt(-1);
        RecordingInfo recinfo(*progInfo);
        delete progInfo;
        recinfo.SetInputID(m_inputId);
        m_recorder->SetRecording(&recinfo);
    }
    m_recorder->Reset();
 
    // Set file descriptor of channel from recorder for V4L
    if (GetV4LChannel())
        m_channel->SetFd(m_recorder->GetVideoFd());
 
    // Some recorders unpause on Reset, others do not...
    m_recorder->Unpause();
 
    if (m_pseudoLiveTVRecording && m_curRecording)
    {
        ProgramInfo *rcinfo1 = m_pseudoLiveTVRecording;
        QString msg1 = QString("Recording: %1 %2 %3 %4")
            .arg(rcinfo1->GetTitle()).arg(rcinfo1->GetChanID())
            .arg(rcinfo1->GetRecordingStartTime(MythDate::ISODate))
            .arg(rcinfo1->GetRecordingEndTime(MythDate::ISODate));
        ProgramInfo *rcinfo2 = m_tvChain->GetProgramAt(-1);
        QString msg2 = QString("Recording: %1 %2 %3 %4")
            .arg(rcinfo2->GetTitle()).arg(rcinfo2->GetChanID())
            .arg(rcinfo2->GetRecordingStartTime(MythDate::ISODate))
            .arg(rcinfo2->GetRecordingEndTime(MythDate::ISODate));
        delete rcinfo2;
        LOG(VB_RECORD, LOG_INFO, LOC + "Pseudo LiveTV recording starting." +
                "\n\t\t\t" + msg1 + "\n\t\t\t" + msg2);
 
        m_curRecording->SaveAutoExpire(
            m_curRecording->GetRecordingRule()->GetAutoExpire());
 
        m_curRecording->ApplyRecordRecGroupChange(m_curRecording->GetRecordingRule()->m_recGroupID);
 
        InitAutoRunJobs(m_curRecording, kAutoRunProfile, nullptr, __LINE__);
    }
 
    ClearFlags(kFlagNeedToStartRecorder, __FILE__, __LINE__);
}
 
void TVRec::SetFlags(uint f, const QString & file, int line)
{
    QMutexLocker lock(&m_stateChangeLock);
    m_stateFlags |= f;
    LOG(VB_RECORD, LOG_INFO, LOC + QString("SetFlags(%1) -> %2 @ %3:%4")
        .arg(FlagToString(f)).arg(FlagToString(m_stateFlags)).arg(file).arg(line));
    WakeEventLoop();
}
 
void TVRec::ClearFlags(uint f, const QString & file, int line)
{
    QMutexLocker lock(&m_stateChangeLock);
    m_stateFlags &= ~f;
    LOG(VB_RECORD, LOG_INFO, LOC + QString("ClearFlags(%1) -> %2 @ %3:%4")
        .arg(FlagToString(f)).arg(FlagToString(m_stateFlags)).arg(file).arg(line));
    WakeEventLoop();
}
 
QString TVRec::FlagToString(uint f)
{
    QString msg("");
 
    // General flags
    if (kFlagFrontendReady & f)
        msg += "FrontendReady,";
    if (kFlagRunMainLoop & f)
        msg += "RunMainLoop,";
    if (kFlagExitPlayer & f)
        msg += "ExitPlayer,";
    if (kFlagFinishRecording & f)
        msg += "FinishRecording,";
    if (kFlagErrored & f)
        msg += "Errored,";
    if (kFlagCancelNextRecording & f)
        msg += "CancelNextRecording,";
 
    // Tuning flags
    if ((kFlagRec & f) == kFlagRec)
        msg += "REC,";
    else
    {
        if (kFlagLiveTV & f)
            msg += "LiveTV,";
        if (kFlagRecording & f)
            msg += "Recording,";
    }
    if ((kFlagNoRec & f) == kFlagNoRec)
        msg += "NOREC,";
    else
    {
        if (kFlagEITScan & f)
            msg += "EITScan,";
        if (kFlagCloseRec & f)
            msg += "CloseRec,";
        if (kFlagKillRec & f)
            msg += "KillRec,";
        if (kFlagAntennaAdjust & f)
            msg += "AntennaAdjust,";
    }
    if ((kFlagPendingActions & f) == kFlagPendingActions)
        msg += "PENDINGACTIONS,";
    else
    {
        if (kFlagWaitingForRecPause & f)
            msg += "WaitingForRecPause,";
        if (kFlagWaitingForSignal & f)
            msg += "WaitingForSignal,";
        if (kFlagNeedToStartRecorder & f)
            msg += "NeedToStartRecorder,";
        if (kFlagKillRingBuffer & f)
            msg += "KillRingBuffer,";
    }
    if ((kFlagAnyRunning & f) == kFlagAnyRunning)
        msg += "ANYRUNNING,";
    else
    {
        if (kFlagSignalMonitorRunning & f)
            msg += "SignalMonitorRunning,";
        if (kFlagEITScannerRunning & f)
            msg += "EITScannerRunning,";
        if ((kFlagAnyRecRunning & f) == kFlagAnyRecRunning)
            msg += "ANYRECRUNNING,";
        else
        {
            if (kFlagDummyRecorderRunning & f)
                msg += "DummyRecorderRunning,";
            if (kFlagRecorderRunning & f)
                msg += "RecorderRunning,";
        }
    }
    if (kFlagRingBufferReady & f)
        msg += "RingBufferReady,";
 
    if (msg.isEmpty())
        msg = QString("0x%1").arg(f,0,16);
 
    return msg;
}
 
bool TVRec::WaitForNextLiveTVDir(void)
{
    QMutexLocker lock(&m_nextLiveTVDirLock);
 
    bool found = !m_nextLiveTVDir.isEmpty();
    if (!found && m_triggerLiveTVDir.wait(&m_nextLiveTVDirLock, 500))
    {
        found = !m_nextLiveTVDir.isEmpty();
    }
 
    return found;
}
 
void TVRec::SetNextLiveTVDir(QString dir)
{
    QMutexLocker lock(&m_nextLiveTVDirLock);
 
    m_nextLiveTVDir = std::move(dir);
    m_triggerLiveTVDir.wakeAll();
}
 
bool TVRec::GetProgramRingBufferForLiveTV(RecordingInfo **pginfo,
                                          MythMediaBuffer **Buffer,
                                          const QString & channum)
{
    LOG(VB_RECORD, LOG_INFO, LOC + "GetProgramRingBufferForLiveTV()");
    if (!m_channel || !m_tvChain || !pginfo || !Buffer)
        return false;
 
    m_nextLiveTVDirLock.lock();
    m_nextLiveTVDir.clear();
    m_nextLiveTVDirLock.unlock();
 
    // Dispatch this early, the response can take a while.
    MythEvent me(QString("QUERY_NEXT_LIVETV_DIR %1").arg(m_inputId));
    gCoreContext->dispatch(me);
 
    uint    sourceid = m_channel->GetSourceID();
    int     chanid   = ChannelUtil::GetChanID(sourceid, channum);
 
    if (chanid < 0)
    {
        // Test setups might have zero channels
        if (m_genOpt.m_inputType == "IMPORT" || m_genOpt.m_inputType == "DEMO")
            chanid = 9999;
        else
        {
            LOG(VB_GENERAL, LOG_ERR, LOC +
                QString("Channel: \'%1\' was not found in the database.\n"
                        "\t\tMost likely, the 'starting channel' for this "
                        "Input Connection is invalid.\n"
                        "\t\tCould not start livetv.").arg(channum));
            return false;
        }
    }
 
    int hoursMax = gCoreContext->GetNumSetting("MaxHoursPerLiveTVRecording", 8);
    if (hoursMax <= 0)
        hoursMax = 8;
 
    RecordingInfo *prog = nullptr;
    if (m_pseudoLiveTVRecording)
        prog = new RecordingInfo(*m_pseudoLiveTVRecording);
    else
    {
        prog = new RecordingInfo(
            chanid, MythDate::current(true), true, hoursMax);
    }
 
    prog->SetInputID(m_inputId);
 
    if (prog->GetRecordingStartTime() == prog->GetRecordingEndTime())
    {
        LOG(VB_GENERAL, LOG_ERR, LOC + "GetProgramRingBufferForLiveTV()"
                "\n\t\t\tProgramInfo is invalid."
                "\n" + prog->toString());
        prog->SetScheduledEndTime(prog->GetRecordingStartTime().addSecs(3600));
        prog->SetRecordingEndTime(prog->GetScheduledEndTime());
 
        prog->SetChanID(chanid);
    }
 
    if (!m_pseudoLiveTVRecording)
        prog->SetRecordingStartTime(MythDate::current(true));
 
    prog->SetStorageGroup("LiveTV");
 
    if (WaitForNextLiveTVDir())
    {
        QMutexLocker lock(&m_nextLiveTVDirLock);
        prog->SetPathname(m_nextLiveTVDir);
    }
    else
    {
        StorageGroup sgroup("LiveTV", gCoreContext->GetHostName());
        prog->SetPathname(sgroup.FindNextDirMostFree());
    }
 
    if (!m_pseudoLiveTVRecording)
        prog->SetRecordingGroup("LiveTV");
 
    StartedRecording(prog);
 
    *Buffer = MythMediaBuffer::Create(prog->GetPathname(), true);
    if (!(*Buffer) || !(*Buffer)->IsOpen())
    {
        LOG(VB_GENERAL, LOG_ERR, LOC + QString("RingBuffer '%1' not open...")
                .arg(prog->GetPathname()));
 
        delete *Buffer;
        delete prog;
 
        return false;
    }
 
    *pginfo = prog;
    return true;
}
 
bool TVRec::CreateLiveTVRingBuffer(const QString & channum)
{
    LOG(VB_RECORD, LOG_INFO, LOC + QString("CreateLiveTVRingBuffer(%1)")
            .arg(channum));
 
    RecordingInfo *pginfo = nullptr;
    MythMediaBuffer *buffer = nullptr;
    QString        inputName;
 
    if (!m_channel ||
        !m_channel->CheckChannel(channum))
    {
        ChangeState(kState_None);
        return false;
    }
 
    if (!GetProgramRingBufferForLiveTV(&pginfo, &buffer, channum))
    {
        ClearFlags(kFlagPendingActions, __FILE__, __LINE__);
        ChangeState(kState_None);
        LOG(VB_GENERAL, LOG_ERR, LOC +
            QString("CreateLiveTVRingBuffer(%1) failed").arg(channum));
        return false;
    }
 
    SetRingBuffer(buffer);
 
    pginfo->SaveAutoExpire(kLiveTVAutoExpire);
    if (!m_pseudoLiveTVRecording)
        pginfo->ApplyRecordRecGroupChange(RecordingInfo::kLiveTVRecGroup);
 
    bool discont = (m_tvChain->TotalSize() > 0);
    m_tvChain->AppendNewProgram(pginfo, m_channel->GetChannelName(),
                                m_channel->GetInputName(), discont);
 
    if (m_curRecording)
    {
        m_curRecording->MarkAsInUse(false, kRecorderInUseID);
        delete m_curRecording;
    }
 
    m_curRecording = pginfo;
    m_curRecording->MarkAsInUse(true, kRecorderInUseID);
 
    return true;
}
 
bool TVRec::SwitchLiveTVRingBuffer(const QString & channum,
                                   bool discont, bool set_rec)
{
    QString msg;
    if (m_curRecording)
    {
        msg = QString(" curRec(%1) curRec.size(%2)")
            .arg(m_curRecording->MakeUniqueKey())
            .arg(m_curRecording->GetFilesize());
    }
    LOG(VB_RECORD, LOG_INFO, LOC +
        QString("SwitchLiveTVRingBuffer(discont %1, set_next_rec %2)")
        .arg(discont).arg(set_rec) + msg);
 
    RecordingInfo *pginfo = nullptr;
    MythMediaBuffer *buffer = nullptr;
    QString        inputName;
 
    if (!m_channel ||
        !m_channel->CheckChannel(channum))
    {
        ChangeState(kState_None);
        return false;
    }
 
    if (!GetProgramRingBufferForLiveTV(&pginfo, &buffer, channum))
    {
        ChangeState(kState_None);
        return false;
    }
 
    QString oldinputtype = m_tvChain->GetInputType(-1);
 
    pginfo->MarkAsInUse(true, kRecorderInUseID);
    pginfo->SaveAutoExpire(kLiveTVAutoExpire);
    if (!m_pseudoLiveTVRecording)
        pginfo->ApplyRecordRecGroupChange(RecordingInfo::kLiveTVRecGroup);
    m_tvChain->AppendNewProgram(pginfo, m_channel->GetChannelName(),
                                m_channel->GetInputName(), discont);
 
    if (set_rec && m_recorder)
    {
        m_recorder->SetNextRecording(pginfo, buffer);
        if (discont)
            m_recorder->CheckForRingBufferSwitch();
        delete pginfo;
        SetFlags(kFlagRingBufferReady, __FILE__, __LINE__);
    }
    else if (!set_rec)
    {
        // dummy recordings are finished before this
        // is called and other recordings must be finished..
        if (m_curRecording && oldinputtype != "DUMMY")
        {
            FinishedRecording(m_curRecording, nullptr);
            m_curRecording->MarkAsInUse(false, kRecorderInUseID);
            delete m_curRecording;
        }
        m_curRecording = pginfo;
        SetRingBuffer(buffer);
    }
    else
    {
        delete buffer;
    }
 
    return true;
}
 
RecordingInfo *TVRec::SwitchRecordingRingBuffer(const RecordingInfo &rcinfo)
{
    LOG(VB_RECORD, LOG_INFO, LOC + "SwitchRecordingRingBuffer()");
 
    if (m_switchingBuffer)
    {
        LOG(VB_RECORD, LOG_ERR, LOC + "SwitchRecordingRingBuffer -> "
            "already switching.");
        return nullptr;
    }
 
    if (!m_recorder)
    {
        LOG(VB_RECORD, LOG_ERR, LOC + "SwitchRecordingRingBuffer -> "
            "invalid recorder.");
        return nullptr;
    }
 
    if (!m_curRecording)
    {
        LOG(VB_RECORD, LOG_ERR, LOC + "SwitchRecordingRingBuffer -> "
            "invalid recording.");
        return nullptr;
    }
 
    if (rcinfo.GetChanID() != m_curRecording->GetChanID())
    {
        LOG(VB_RECORD, LOG_ERR, LOC + "SwitchRecordingRingBuffer -> "
            "Not the same channel.");
        return nullptr;
    }
 
    auto *ri = new RecordingInfo(rcinfo);
    RecordingProfile profile;
 
    QString pn = LoadProfile(nullptr, ri, profile);
 
    if (pn != m_recProfileName)
    {
        LOG(VB_RECORD, LOG_ERR, LOC +
            QString("SwitchRecordingRingBuffer() -> "
                    "cannot switch profile '%1' to '%2'")
            .arg(m_recProfileName).arg(pn));
        return nullptr;
    }
 
    PreviewGeneratorQueue::GetPreviewImage(*m_curRecording, "");
 
    ri->MarkAsInUse(true, kRecorderInUseID);
    StartedRecording(ri);
 
    bool write = m_genOpt.m_inputType != "IMPORT";
    MythMediaBuffer *buffer = MythMediaBuffer::Create(ri->GetPathname(), write);
    if (!buffer || !buffer->IsOpen())
    {
        delete buffer;
        ri->SetRecordingStatus(RecStatus::Failed);
        FinishedRecording(ri, nullptr);
        ri->MarkAsInUse(false, kRecorderInUseID);
        delete ri;
        LOG(VB_RECORD, LOG_ERR, LOC + "SwitchRecordingRingBuffer() -> "
            "Failed to create new RB.");
        return nullptr;
    }
 
    m_recorder->SetNextRecording(ri, buffer);
    SetFlags(kFlagRingBufferReady, __FILE__, __LINE__);
    m_recordEndTime = GetRecordEndTime(ri);
    m_switchingBuffer = true;
    ri->SetRecordingStatus(RecStatus::Recording);
    LOG(VB_RECORD, LOG_INFO, LOC + "SwitchRecordingRingBuffer -> done");
    return ri;
}
 
TVRec* TVRec::GetTVRec(uint inputid)
{
    QMap<uint,TVRec*>::const_iterator it = s_inputs.find(inputid);
    if (it == s_inputs.end())
        return nullptr;
    return *it;
}
 
QString TuningRequest::toString(void) const
{
    return QString("Program(%1) channel(%2) input(%3) flags(%4)")
        .arg((m_program == nullptr) ? QString("NULL") : m_program->toString())
        .arg(m_channel).arg(m_input)
        .arg(TVRec::FlagToString(m_flags));
}
 
#ifdef USING_DVB
#include "dvbchannel.h"
static void apply_broken_dvb_driver_crc_hack(ChannelBase *c, MPEGStreamData *s)
{
    // Some DVB devices munge the PMT and/or PAT so the CRC check fails.
    // We need to tell the stream data class to not check the CRC on
    // these devices. This can cause segfaults.
    if (dynamic_cast<DVBChannel*>(c))
        s->SetIgnoreCRC(dynamic_cast<DVBChannel*>(c)->HasCRCBug());
}
#else
static void apply_broken_dvb_driver_crc_hack(ChannelBase*, MPEGStreamData*) {}
#endif // USING_DVB
 
/* vim: set expandtab tabstop=4 shiftwidth=4: */