C++ ProgramInfo::GetPlaybackURL方法代码示例

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;
}

void RecordingSelector::updateSelectedList()
{
    if (!m_recordingList)
        return;

    m_selectedList.clear();

    ProgramInfo *p;
    ArchiveItem *a;
    for (int x = 0; x < m_archiveList->size(); x++)
    {
        a = m_archiveList->at(x);
        for (uint y = 0; y < m_recordingList->size(); y++)
        {
            p = m_recordingList->at(y);
            if (p->GetPlaybackURL(false, true) == a->filename)
            {
                if (m_selectedList.indexOf(p) == -1)
                    m_selectedList.append(p);
                break;
            }

            qApp->processEvents();
        }
    }
}

void RecordingSelector::getRecordingList(void)
{
    ProgramInfo *p;
    m_recordingList = RemoteGetRecordedList(true);
    m_categories.clear();

    if (m_recordingList && m_recordingList->size() > 0)
    {
        vector<ProgramInfo *>::iterator i = m_recordingList->begin();
        for ( ; i != m_recordingList->end(); i++)
        {
            p = *i;

            // we can't handle recordings that have to be streamed to us
            if (p->GetPlaybackURL(false, true).startsWith("myth://"))
            {
                VERBOSE(VB_FILE,
                        QString("MythArchive cannot handle this file because it isn't available locally - %1")
                                .arg(p->GetPlaybackURL(false, true)));
                i = m_recordingList->erase(i);
                i--;
                continue;
            }

            // ignore live tv and deleted recordings
            if (p->GetRecordingGroup() == "LiveTV" ||
                p->GetRecordingGroup() == "Deleted")
            {
                i = m_recordingList->erase(i);
                i--;
                continue;
            }

            if (m_categories.indexOf(p->GetTitle()) == -1)
                m_categories.append(p->GetTitle());
        }
    }
}

int preview_helper(uint chanid, QDateTime starttime,
                   long long previewFrameNumber, long long previewSeconds,
                   const QSize &previewSize,
                   const QString &infile, const QString &outfile)
{
    // Lower scheduling priority, to avoid problems with recordings.
    if (setpriority(PRIO_PROCESS, 0, 9))
        LOG(VB_GENERAL, LOG_ERR, "Setting priority failed." + ENO);

    if (!chanid || !starttime.isValid())
        ProgramInfo::QueryKeyFromPathname(infile, chanid, starttime);

    ProgramInfo *pginfo = NULL;
    if (chanid && starttime.isValid())
    {
        pginfo = new ProgramInfo(chanid, starttime);
        if (!pginfo->GetChanID())
        {
            LOG(VB_GENERAL, LOG_ERR,
                QString("Cannot locate recording made on '%1' at '%2'")
                .arg(chanid).arg(starttime.toString(Qt::ISODate)));
            delete pginfo;
            return GENERIC_EXIT_NOT_OK;
        }
        pginfo->SetPathname(pginfo->GetPlaybackURL(false, true));
    }
    else if (!infile.isEmpty())
    {
        if (!QFileInfo(infile).isReadable())
        {
            LOG(VB_GENERAL, LOG_ERR,
                QString("Cannot read this file '%1'").arg(infile));
            return GENERIC_EXIT_NOT_OK;
        }
        pginfo = new ProgramInfo(
            infile, ""/*plot*/, ""/*title*/, ""/*subtitle*/, ""/*director*/,
            0/*season*/, 0/*episode*/, ""/*inetref*/, 120/*length_in_minutes*/,
            1895/*year*/, ""/*id*/);
    }
    else
    {
        LOG(VB_GENERAL, LOG_ERR, "Cannot locate recording to preview");
        return GENERIC_EXIT_NOT_OK;
    }

    PreviewGenerator *previewgen = new PreviewGenerator(
        pginfo, QString(), PreviewGenerator::kLocal);

    if (previewFrameNumber >= 0)
        previewgen->SetPreviewTimeAsFrameNumber(previewFrameNumber);

    if (previewSeconds >= 0)
        previewgen->SetPreviewTimeAsSeconds(previewSeconds);

    previewgen->SetOutputSize(previewSize);
    previewgen->SetOutputFilename(outfile);
    bool ok = previewgen->RunReal();
    previewgen->deleteLater();

    delete pginfo;

    return (ok) ? GENERIC_EXIT_OK : GENERIC_EXIT_NOT_OK;
}

void RecordingSelector::OKPressed()
{
    // loop though selected recordings and add them to the list
    ProgramInfo *p;
    ArchiveItem *a;

    // remove any items that have been removed from the list
    QList<ArchiveItem *> tempAList;
    for (int x = 0; x < m_archiveList->size(); x++)
    {
        a = m_archiveList->at(x);
        bool found = false;

        for (int y = 0; y < m_selectedList.size(); y++)
        {
            p = m_selectedList.at(y);
            if (a->type != "Recording" || a->filename == p->GetPlaybackURL(false, true))
            {
                found = true;
                break;
            }
        }

        if (!found)
            tempAList.append(a);
    }

    for (int x = 0; x < tempAList.size(); x++)
        m_archiveList->removeAll(tempAList.at(x));

    // remove any items that are already in the list
    QList<ProgramInfo *> tempSList;
    for (int x = 0; x < m_selectedList.size(); x++)
    {
        p = m_selectedList.at(x);

        for (int y = 0; y < m_archiveList->size(); y++)
        {
            a = m_archiveList->at(y);
            if (a->filename == p->GetPlaybackURL(false, true))
            {
                tempSList.append(p);
                break;
            }
        }
    }

    for (int x = 0; x < tempSList.size(); x++)
        m_selectedList.removeAll(tempSList.at(x));

    // add all that are left
    for (int x = 0; x < m_selectedList.size(); x++)
    {
        p = m_selectedList.at(x);
        a = new ArchiveItem;
        a->type = "Recording";
        a->title = p->GetTitle();
        a->subtitle = p->GetSubtitle();
        a->description = p->GetDescription();
        a->startDate = p->GetScheduledStartTime().toString("dd MMM yy");
        a->startTime = p->GetScheduledStartTime().toString("(hh:mm)");
        a->size = p->GetFilesize();
        a->filename = p->GetPlaybackURL(false, true);
        a->hasCutlist = p->HasCutlist();
        a->useCutlist = false;
        a->duration = 0;
        a->cutDuration = 0;
        a->videoWidth = 0;
        a->videoHeight = 0;
        a->fileCodec = "";
        a->videoCodec = "";
        a->encoderProfile = NULL;
        a->editedDetails = false;
        m_archiveList->append(a);
    }

    emit haveResult(true);
    Close();
}

//.........这里部分代码省略.........
         return GENERIC_EXIT_INVALID_CMDLINE;
    }

    VERBOSE(VB_IMPORTANT, QString("Enabled verbose msgs: %1").arg(verboseString));

    if (!MSqlQuery::testDBConnection())
    {
        printf("couldn't open db\n");
        return GENERIC_EXIT_DB_ERROR;
    }

    ProgramInfo *pginfo = NULL;
    if (isVideo)
    {
        // We want the absolute file path for the filemarkup table
        QFileInfo inf(infile);
        infile = inf.absoluteFilePath();
        pginfo = new ProgramInfo(infile);
    }
    else if (!found_infile)
    {
        QDateTime recstartts = myth_dt_from_string(starttime);
        pginfo = new ProgramInfo(chanid, recstartts);

        if (!pginfo->GetChanID())
        {
            QString msg = QString("Couldn't find recording for chanid %1 @ %2")
                .arg(chanid).arg(starttime);
            cerr << msg.toLocal8Bit().constData() << endl;
            delete pginfo;
            return GENERIC_EXIT_NO_RECORDING_DATA;
        }

        infile = pginfo->GetPlaybackURL(false, true);
    }
    else
    {
        pginfo = new ProgramInfo(infile);
        if (!pginfo->GetChanID())
        {
            VERBOSE(VB_IMPORTANT,
                    QString("Couldn't find a recording for filename '%1'")
                    .arg(infile));
            delete pginfo;
            pginfo = NULL;
        }
    }

    if (infile.left(7) == "myth://" && (outfile.isNull() || outfile != "-"))
    {
        VERBOSE(VB_IMPORTANT, QString("Attempted to transcode %1. "
               "Mythtranscode is currently unable to transcode remote "
               "files.")
               .arg(infile));
        return GENERIC_EXIT_REMOTE_FILE;
    }

    if (outfile.isNull() && !build_index)
        outfile = infile + ".tmp";

    if (jobID >= 0)
        JobQueue::ChangeJobStatus(jobID, JOB_RUNNING);

    Transcode *transcode = new Transcode(pginfo);

    if (!build_index)

static int RunCCExtract(const ProgramInfo &program_info)
{
    QString filename = program_info.GetPlaybackURL();
    if (filename.startsWith("myth://"))
    {
        QString msg =
            QString("Only locally accessible files are supported (%1).")
            .arg(program_info.GetPathname());
        cerr << qPrintable(msg) << endl;
        return GENERIC_EXIT_INVALID_CMDLINE;
    }

    if (!QFile::exists(filename))
    {
        cerr << qPrintable(
            QString("Could not open input file (%1).").arg(filename)) << endl;
        return GENERIC_EXIT_INVALID_CMDLINE;
    }

    RingBuffer *tmprbuf = RingBuffer::Create(filename, false);
    if (!tmprbuf)
    {
        cerr << qPrintable(QString("Unable to create RingBuffer for %1")
                           .arg(filename)) << endl;
        return GENERIC_EXIT_PERMISSIONS_ERROR;
    }

    if (program_info.GetRecordingEndTime() > MythDate::current())
    {
        cout << "Program will end @ "
             << qPrintable(program_info.GetRecordingEndTime(MythDate::ISODate))
             << endl;
        tmprbuf->SetWaitForWrite();
    }

    PlayerFlags flags = (PlayerFlags)(kVideoIsNull | kAudioMuted  |
                                      kDecodeNoLoopFilter | kDecodeFewBlocks |
                                      kDecodeLowRes | kDecodeSingleThreaded |
                                      kDecodeNoDecode);
    MythCCExtractorPlayer *ccp = new MythCCExtractorPlayer(flags, true, filename);
    PlayerContext *ctx = new PlayerContext(kCCExtractorInUseID);
    ctx->SetPlayingInfo(&program_info);
    ctx->SetRingBuffer(tmprbuf);
    ctx->SetPlayer(ccp);

    ccp->SetPlayerInfo(NULL, NULL, ctx);
    if (ccp->OpenFile() < 0)
    {
        cerr << "Failed to open " << qPrintable(filename) << endl;
        return GENERIC_EXIT_NOT_OK;
    }
    if (!ccp->run())
    {
        cerr << "Failed to decode " << qPrintable(filename) << endl;
        return GENERIC_EXIT_NOT_OK;
    }

    delete ctx;

    return GENERIC_EXIT_OK;
}