Exemplo n.º 1
0
bool VideoOutputOpenGLVAAPI::CreateVAAPIContext(QSize size)
{
    // FIXME During a video stream change this is called from the decoder
    // thread - which breaks all other efforts to remove non-UI thread
    // access to the OpenGL context. There is no obvious fix however - if we
    // don't delete and re-create the VAAPI decoder context immediately then
    // the decoder fails and playback exits.
    OpenGLLocker ctx_lock(gl_context);

    if (m_ctx)
        DeleteVAAPIContext();

    m_ctx = new VAAPIContext(video_codec_id);
    if (m_ctx && m_ctx->CreateDisplay(size) && m_ctx->CreateBuffers())
    {
        int num_buffers = m_ctx->GetNumBuffers();
        const QSize video_dim = window.GetActualVideoDim();

        bool ok = true;
        for (int i = 0; i < num_buffers; i++)
        {
            ok &= vbuffers.CreateBuffer(video_dim.width(),
                                        video_dim.height(), i,
                                        m_ctx->GetVideoSurface(i),
                                        FMT_VAAPI);
        }
        InitPictureAttributes();
        return ok;
    }

    LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to create VAAPI context.");
    errorState = kError_Unknown;
    return false;
}
Exemplo n.º 2
0
bool VideoOutputVDPAU::Init(int width, int height, float aspect,
                            WId winid, const QRect &win_rect,
                            MythCodecID codec_id)
{
    // Attempt to free up as much video memory as possible
    // only works when using the VDPAU painter for the UI
    MythPainter *painter = GetMythPainter();
    if (painter)
        painter->FreeResources();

    m_win = winid;
    QMutexLocker locker(&m_lock);
    window.SetNeedRepaint(true);
    bool ok = VideoOutput::Init(width, height, aspect, winid, win_rect,codec_id);
    if (db_vdisp_profile)
        db_vdisp_profile->SetVideoRenderer("vdpau");

    InitDisplayMeasurements(width, height, true);
    ParseOptions();
    if (ok) ok = InitRender();
    if (ok) ok = InitBuffers();
    if (!ok)
    {
        TearDown();
        return ok;
    }

    InitPictureAttributes();
    MoveResize();
    LOG(VB_PLAYBACK, LOG_INFO, LOC +
        QString("Created VDPAU context (%1 decode)")
            .arg(codec_is_std(video_codec_id) ? "software" : "GPU"));

    return ok;
}
Exemplo n.º 3
0
bool VideoOutputOpenGL::Init(const QSize &video_dim_buf,
                             const QSize &video_dim_disp,
                             float aspect, WId winid,
                             const QRect &win_rect, MythCodecID codec_id)
{
    QMutexLocker locker(&gl_context_lock);
    bool success = true;
    window.SetAllowPreviewEPG(true);
    gl_parent_win = winid;
    success &= VideoOutput::Init(video_dim_buf, video_dim_disp,
                                 aspect, winid,
                                 win_rect, codec_id);
    SetProfile();
    InitPictureAttributes();

    success &= CreateCPUResources();

    if (!gCoreContext->IsUIThread())
    {
        LOG(VB_GENERAL, LOG_NOTICE, LOC +
            "Deferring creation of OpenGL resources");
        gl_valid = false;
    }
    else
    {
        success &= CreateGPUResources();
        success &= CreateVideoResources();
    }

    if (!success)
        TearDown();
    return success;
}
Exemplo n.º 4
0
bool VideoOutputOpenGL::Init(int width, int height, float aspect, WId winid,
                             const QRect &win_rect, MythCodecID codec_id)
{
    QMutexLocker locker(&gl_context_lock);

    bool success = true;
    // FIXME Mac OS X overlay does not work with preview
    window.SetAllowPreviewEPG(true);
    gl_parent_win = winid;

    VideoOutput::Init(width, height, aspect, winid, win_rect, codec_id);

    SetProfile();
    InitPictureAttributes();
    success &= SetupContext();
    InitDisplayMeasurements(width, height, false);
    success &= CreateBuffers();
    success &= CreatePauseFrame();
    success &= SetupOpenGL();
    InitOSD();
    MoveResize();

    if (!success)
        TearDown();

    return success;
}
Exemplo n.º 5
0
bool VideoOutputOpenGLVAAPI::CreateVAAPIContext(QSize size)
{
    // FIXME During a video stream change this is called from the decoder
    // thread - which breaks all other efforts to remove non-UI thread
    // access to the OpenGL context. There is no obvious fix however - if we
    // don't delete and re-create the VAAPI decoder context immediately then
    // the decoder fails and playback exits.

    // lvr 27-oct-13
    // in 0.27 if m_ctx->CreateDisplay is called outside of the UI thread then
    // it fails, which then causes subsequent unbalanced calls to doneCurrent
    // which results in Qt aborting.  So just fail if non-UI.
    if (!gCoreContext->IsUIThread())
    {
        LOG(VB_GENERAL, LOG_ERR, LOC +
            "CreateVAAPIContext called from non-UI thread");
        return false;
    }

    OpenGLLocker ctx_lock(gl_context);

    if (m_ctx)
        DeleteVAAPIContext();

    m_ctx = new VAAPIContext(kVADisplayGLX, video_codec_id);
    if (m_ctx && m_ctx->CreateDisplay(size) && m_ctx->CreateBuffers())
    {
        int num_buffers = m_ctx->GetNumBuffers();
        const QSize video_dim = window.GetActualVideoDim();

        bool ok = true;
        for (int i = 0; i < num_buffers; i++)
        {
            ok &= vbuffers.CreateBuffer(video_dim.width(),
                                        video_dim.height(), i,
                                        m_ctx->GetVideoSurface(i),
                                        FMT_VAAPI);
        }
        InitPictureAttributes();
        return ok;
    }

    LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to create VAAPI context.");
    errorState = kError_Unknown;
    return false;
}
Exemplo n.º 6
0
bool DTVChannel::SetChannelByString(const QString &channum)
{
    QString loc = LOC + QString("SetChannelByString(%1): ").arg(channum);
    LOG(VB_CHANNEL, LOG_INFO, loc);

    ClearDTVInfo();

    if (!IsOpen() && !Open())
    {
        LOG(VB_GENERAL, LOG_ERR, loc + "Channel object "
                "will not open, can not change channels.");

        return false;
    }

    if (m_inputs.size() > 1)
    {
        QString inputName;
        if (!CheckChannel(channum, inputName))
        {
            LOG(VB_GENERAL, LOG_ERR, loc +
                    "CheckChannel failed.\n\t\t\tPlease verify the channel "
                    "in the 'mythtv-setup' Channel Editor.");

            return false;
        }

        // If CheckChannel filled in the inputName then we need to
        // change inputs and return, since the act of changing
        // inputs will change the channel as well.
        if (!inputName.isEmpty())
            return SwitchToInput(inputName, channum);
    }

    InputMap::const_iterator it = m_inputs.find(m_currentInputID);
    if (it == m_inputs.end())
        return false;

    uint mplexid_restriction;
    uint chanid_restriction;
    if (!IsInputAvailable(m_currentInputID, mplexid_restriction,
                          chanid_restriction))
    {
        LOG(VB_GENERAL, LOG_INFO, loc +
            QString("Requested channel '%1' is on input '%2' "
                    "which is in a busy input group")
                .arg(channum).arg(m_currentInputID));

        return false;
    }

    // Fetch tuning data from the database.
    QString tvformat, modulation, freqtable, freqid, si_std;
    int finetune;
    uint64_t frequency;
    int mpeg_prog_num;
    uint atsc_major, atsc_minor, mplexid, chanid, tsid, netid;

    if (!ChannelUtil::GetChannelData(
        (*it)->sourceid, chanid, channum,
        tvformat, modulation, freqtable, freqid,
        finetune, frequency,
        si_std, mpeg_prog_num, atsc_major, atsc_minor, tsid, netid,
        mplexid, m_commfree))
    {
        LOG(VB_GENERAL, LOG_ERR, loc + "Unable to find channel in database.");

        return false;
    }

    if ((mplexid_restriction && (mplexid != mplexid_restriction)) ||
        (chanid_restriction && (chanid != chanid_restriction)))
    {
        LOG(VB_GENERAL, LOG_ERR, loc +
            QString("Requested channel '%1' is not available because "
                    "the tuner is currently in use on another transport.")
                .arg(channum));

        return false;
    }

    // If the frequency is zeroed out, don't use it directly.
    if (frequency == 0)
    {
        frequency = (freqid.toULongLong() + finetune) * 1000;
        mplexid = 0;
    }
    bool isFrequency = (frequency > 10000000);
    bool hasTuneToChan =
        !(*it)->tuneToChannel.isEmpty() && (*it)->tuneToChannel != "Undefined";

    // If we are tuning to a freqid, rather than an actual frequency,
    // we may need to set the frequency table to use.
    if (!isFrequency || hasTuneToChan)
        SetFreqTable(freqtable);

    // Set NTSC, PAL, ATSC, etc.
    SetFormat(tvformat);

    // If a tuneToChannel is set make sure we're still on it
    if (hasTuneToChan)
        Tune((*it)->tuneToChannel, 0);

    // Clear out any old PAT or PMT & save version info
    uint version = 0;
    if (genPAT)
    {
        version = (genPAT->Version()+1) & 0x1f;
        delete genPAT; genPAT = NULL;
        delete genPMT; genPMT = NULL;
    }

    bool ok = true;
    if ((*it)->externalChanger.isEmpty())
    {
        if (IsIPTV())
        {
            int chanid = ChannelUtil::GetChanID((*it)->sourceid, channum);
            IPTVTuningData tuning = ChannelUtil::GetIPTVTuningData(chanid);
            if (!Tune(tuning, false))
            {
                LOG(VB_GENERAL, LOG_ERR, loc + "Tuning to IPTV URL");
                ClearDTVInfo();
                ok = false;
            }
        }
        else if ((*it)->name.contains("composite", Qt::CaseInsensitive) ||
                 (*it)->name.contains("s-video", Qt::CaseInsensitive))
        {
            LOG(VB_GENERAL, LOG_WARNING, loc + "You have not set "
                    "an external channel changing"
                    "\n\t\t\tscript for a composite or s-video "
                    "input. Channel changing will do nothing.");
        }
        else if (isFrequency && Tune(frequency, ""))
        {
        }
        else if (isFrequency)
        {
            // Initialize basic the tuning parameters
            DTVMultiplex tuning;
            if (!mplexid || !tuning.FillFromDB(tunerType, mplexid))
            {
                LOG(VB_GENERAL, LOG_ERR, loc +
                        "Failed to initialize multiplex options");
                ok = false;
            }
            else
            {
                // Try to fix any problems with the multiplex
                CheckOptions(tuning);

                // Tune to proper multiplex
                if (!Tune(tuning, (*it)->name))
                {
                    LOG(VB_GENERAL, LOG_ERR, loc + "Tuning to frequency.");

                    ClearDTVInfo();
                    ok = false;
                }
            }
        }
        else
        {
            // ExternalChannel justs wants the channum
            ok = freqid.isEmpty() && finetune == 0 ?
                 Tune(channum) : Tune(freqid, finetune);
        }
    }

    LOG(VB_CHANNEL, LOG_INFO, loc + ((ok) ? "success" : "failure"));

    if (!ok)
        return false;

    if (atsc_minor || (mpeg_prog_num>=0))
    {
        SetSIStandard(si_std);
        SetDTVInfo(atsc_major, atsc_minor, netid, tsid, mpeg_prog_num);
    }
    else if (IsPIDTuningSupported())
    {
        // We need to pull the pid_cache since there are no tuning tables
        pid_cache_t pid_cache;
        int chanid = ChannelUtil::GetChanID((*it)->sourceid, channum);
        ChannelUtil::GetCachedPids(chanid, pid_cache);
        if (pid_cache.empty())
        {
            LOG(VB_GENERAL, LOG_ERR, loc + "PID cache is empty");
            return false;
        }

        // Now we construct the PAT & PMT
        vector<uint> pnum; pnum.push_back(1);
        vector<uint> pid;  pid.push_back(9999);
        genPAT = ProgramAssociationTable::Create(0,version,pnum,pid);

        int pcrpid = -1;
        vector<uint> pids;
        vector<uint> types;
        pid_cache_t::iterator pit = pid_cache.begin();
        for (; pit != pid_cache.end(); ++pit)
        {
            if (!pit->GetStreamID())
                continue;
            pids.push_back(pit->GetPID());
            types.push_back(pit->GetStreamID());
            if (pit->IsPCRPID())
                pcrpid = pit->GetPID();
            if ((pcrpid < 0) && StreamID::IsVideo(pit->GetStreamID()))
                pcrpid = pit->GetPID();
        }
        if (pcrpid < 0)
            pcrpid = pid_cache[0].GetPID();

        genPMT = ProgramMapTable::Create(
            pnum.back(), pid.back(), pcrpid, version, pids, types);

        SetSIStandard("mpeg");
        SetDTVInfo(0,0,0,0,-1);
    }

    // Set the current channum to the new channel's channum
    m_curchannelname = channum;

    // Setup filters & recording picture attributes for framegrabing recorders
    // now that the new curchannelname has been established.
    if (m_pParent)
        m_pParent->SetVideoFiltersForChannel(GetCurrentSourceID(), channum);
    InitPictureAttributes();

    HandleScript(freqid);

    return ok;
}