C++ ProgramInfo::GetChanID方法代码示例

bool Dvr::DeleteRecording(int RecordedId,
                          int chanid, const QDateTime &recstarttsRaw,
                          bool forceDelete, bool allowRerecord)
{
    if ((RecordedId <= 0) &&
        (chanid <= 0 || !recstarttsRaw.isValid()))
        throw QString("Recorded ID or Channel ID and StartTime appears invalid.");

    // TODO Should use RecordingInfo
    ProgramInfo pi;
    if (RecordedId > 0)
        pi = ProgramInfo(RecordedId);
    else
        pi = ProgramInfo(chanid, recstarttsRaw.toUTC());

    if (pi.GetChanID() && pi.HasPathname())
    {
        QString cmd = QString("DELETE_RECORDING %1 %2 %3 %4")
            .arg(pi.GetChanID())
            .arg(pi.GetRecordingStartTime(MythDate::ISODate))
            .arg(forceDelete ? "FORCE" : "NO_FORCE")
            .arg(allowRerecord ? "FORGET" : "NO_FORGET");
        MythEvent me(cmd);

        gCoreContext->dispatch(me);
        return true;
    }

    return false;
}

/** \brief Adds a ProgramInfo to the cache.
 *  \note This must only be called from the UI thread.
 */
void ProgramInfoCache::Add(const ProgramInfo &pginfo)
{
    if (!pginfo.GetChanID() || Update(pginfo))
        return;

    PICKey key(pginfo.GetChanID(),pginfo.GetRecordingStartTime());
    m_cache[key] = new ProgramInfo(pginfo);
}

ProgramInfo *getProgramInfoForFile(const QString &inFile)
{
    ProgramInfo *pinfo = NULL;
    QString chanID, startTime;
    bool bIsMythRecording = false;

    bIsMythRecording = extractDetailsFromFilename(inFile, chanID, startTime);

    if (bIsMythRecording)
    {
        uint chanid = chanID.toUInt();
        QDateTime recstartts = MythDate::fromString(startTime);
        pinfo = new ProgramInfo(chanid, recstartts);
        if (pinfo->GetChanID())
        {
            pinfo->SetPathname(pinfo->GetPlaybackURL(false, true));
        }
        else
        {
            delete pinfo;
            pinfo = NULL;
        }
    }

    if (!pinfo)
    {
        // file is not a myth recording or is no longer in the db
        pinfo = new ProgramInfo(inFile);
        LOG(VB_JOBQUEUE, LOG_NOTICE, "File is not a MythTV recording.");
    }
    else
        LOG(VB_JOBQUEUE, LOG_NOTICE, "File is a MythTV recording.");

    return pinfo;
}

/// \brief Copies important fields from ProgramInfo
void RecordingInfo::clone(const ProgramInfo &other,
                          bool ignore_non_serialized_data)
{
    bool is_same =
        (chanid && recstartts.isValid() && startts.isValid() &&
         chanid     == other.GetChanID() &&
         recstartts == other.GetRecordingStartTime() &&
         startts    == other.GetScheduledStartTime());

    ProgramInfo::clone(other, ignore_non_serialized_data);

    if (!is_same)
    {
        delete record;
        record = NULL;
    }

    oldrecstatus   = rsUnknown;
    savedrecstatus = rsUnknown;
    future         = false;
    schedorder     = 0;
    mplexid        = 0;
    desiredrecstartts = QDateTime();
    desiredrecendts = QDateTime();
}

void LiveTVChain::SetProgram(const ProgramInfo &pginfo)
{
    QMutexLocker lock(&m_lock);

    m_cur_chanid  = pginfo.GetChanID();
    m_cur_startts = pginfo.GetRecordingStartTime();

    m_curpos = ProgramIsAt(pginfo);
    m_switchid = -1;
}

/**
*  \brief Show the program guide
*/
void ScheduleCommon::ShowGuide(void) const
{
    ProgramInfo *pginfo = GetCurrentProgram();
    if (!pginfo)
        return;

    QString startchannel = pginfo->GetChanNum();
    uint startchanid = pginfo->GetChanID();
    QDateTime starttime = pginfo->GetScheduledStartTime();
    GuideGrid::RunProgramGuide(startchanid, startchannel, starttime);
}

/**
*  \brief Show the upcoming recordings for this title
*/
void ScheduleCommon::ShowUpcoming(void) const
{
    ProgramInfo *pginfo = GetCurrentProgram();
    if (!pginfo)
        return;

    if (pginfo->GetChanID() == 0 &&
        pginfo->GetRecordingRuleID() > 0)
        return ShowUpcomingScheduled();

    ShowUpcoming(pginfo->GetTitle(), pginfo->GetSeriesID());
}

/** \brief Updates a ProgramInfo in the cache.
 *  \note This must only be called from the UI thread.
 *  \return True iff the ProgramInfo was in the cache and was updated.
 */
bool ProgramInfoCache::Update(const ProgramInfo &pginfo)
{
    QMutexLocker locker(&m_lock);

    Cache::iterator it = m_cache.find(
        PICKey(pginfo.GetChanID(),pginfo.GetRecordingStartTime()));

    if (it != m_cache.end())
        it->second->clone(pginfo, true);

    return it != m_cache.end();
}

QFileInfo Content::GetRecording( int              nRecordedId,
                                 int              nChanId,
                                 const QDateTime &recstarttsRaw )
{
    if ((nRecordedId <= 0) &&
        (nChanId <= 0 || !recstarttsRaw.isValid()))
        throw QString("Recorded ID or Channel ID and StartTime appears invalid.");

    // ------------------------------------------------------------------
    // Read Recording From Database
    // ------------------------------------------------------------------

    // TODO Should use RecordingInfo
    ProgramInfo pginfo;
    if (nRecordedId > 0)
        pginfo = ProgramInfo(nRecordedId);
    else
        pginfo = ProgramInfo(nChanId, recstarttsRaw.toUTC());

    if (!pginfo.GetChanID())
    {
        LOG(VB_UPNP, LOG_ERR, QString("GetRecording - for '%1' failed")
            .arg(nRecordedId));

        return QFileInfo();
    }

    if (pginfo.GetHostname().toLower() != gCoreContext->GetHostName().toLower())
    {
        // We only handle requests for local resources

        QString sMsg =
            QString("GetRecording: Wrong Host '%1' request from '%2'.")
                          .arg( gCoreContext->GetHostName())
                          .arg( pginfo.GetHostname() );

        LOG(VB_UPNP, LOG_ERR, sMsg);

        throw HttpRedirectException( pginfo.GetHostname() );
    }

    QString sFileName( GetPlaybackURL(&pginfo) );

    // ----------------------------------------------------------------------
    // check to see if the file exists
    // ----------------------------------------------------------------------

    if (QFile::exists( sFileName ))
        return QFileInfo( sFileName );

    return QFileInfo();
}

ProgramInfo *RemoteEncoder::GetRecording(void)
{
    QStringList strlist( QString("QUERY_RECORDER %1").arg(recordernum) );
    strlist << "GET_RECORDING";

    if (SendReceiveStringList(strlist))
    {
        ProgramInfo *proginfo = new ProgramInfo(strlist);
        if (proginfo->GetChanID())
            return proginfo;
        delete proginfo;
    }

    return NULL;
}

/**
*  \brief Show the channel search
*/
void ScheduleCommon::ShowChannelSearch() const
{
    ProgramInfo *pginfo = GetCurrentProgram();
    if (!pginfo)
        return;

    MythScreenStack *mainStack = GetMythMainWindow()->GetMainStack();
    ProgLister *pl = new ProgLister(mainStack, plChannel,
                                    QString::number(pginfo->GetChanID()), "",
                                    pginfo->GetScheduledStartTime());
    if (pl->Create())
        mainStack->AddScreen(pl);
    else
        delete pl;
}

ProgramInfo *LiveTVChain::EntryToProgram(const LiveTVChainEntry &entry)
{
    ProgramInfo *pginfo = new ProgramInfo(entry.chanid, entry.starttime);

    if (pginfo->GetChanID())
    {
        pginfo->SetPathname(entry.hostprefix + pginfo->GetBasename());
        return pginfo;
    }

    LOG(VB_GENERAL, LOG_ERR,
        QString("EntryToProgram(%[email protected]%2) failed to get pginfo")
            .arg(entry.chanid).arg(entry.starttime.toString()));
    delete pginfo;
    return NULL;
}

/** \brief Returns the ProgramInfo being used by any current recording.
 *
 *   Caller is responsible for deleting the ProgramInfo when done with it.
 */
ProgramInfo *PlaybackSock::GetRecording(uint cardid)
{
    QStringList strlist(QString("QUERY_REMOTEENCODER %1").arg(cardid));
    strlist << "GET_CURRENT_RECORDING";

    if (!SendReceiveStringList(strlist))
        return NULL;

    ProgramInfo *pginfo = new ProgramInfo(strlist);
    if (!pginfo->HasPathname() && !pginfo->GetChanID())
    {
        delete pginfo;
        pginfo = NULL;
    }

    return pginfo;
}

void ProgLister::DeleteOldEpisode(bool ok)
{
    ProgramInfo *pi = GetCurrent();
    if (!ok || !pi)
        return;

    MSqlQuery query(MSqlQuery::InitCon());
    query.prepare(
        "DELETE FROM oldrecorded "
        "WHERE chanid    = :CHANID AND "
        "      starttime = :STARTTIME");
    query.bindValue(":CHANID",    pi->GetChanID());
    query.bindValue(":STARTTIME", pi->GetScheduledStartTime());

    if (!query.exec())
        MythDB::DBError("ProgLister::DeleteOldEpisode", query);

    ScheduledRecording::signalChange(0);
    FillItemList(true);
}

bool Dvr::UpdateRecordedWatchedStatus ( int RecordedId,
                                        int   chanid,
                                        const QDateTime &recstarttsRaw,
                                        bool  watched)
{
    if ((RecordedId <= 0) &&
        (chanid <= 0 || !recstarttsRaw.isValid()))
        throw QString("Recorded ID or Channel ID and StartTime appears invalid.");

    // TODO Should use RecordingInfo
    ProgramInfo pi;
    if (RecordedId > 0)
        pi = ProgramInfo(RecordedId);
    else
        pi = ProgramInfo(chanid, recstarttsRaw.toUTC());

    if (pi.GetChanID() && pi.HasPathname())
    {
        pi.SaveWatched(watched);
        return true;
    }

    return false;
}