Exemple #1
0
void SubtitleScreen::DisplayRawTextSubtitles(void)
{
    if (!InitialiseFont(m_fontStretch) || !m_player || !m_subreader)
        return;

    uint64_t duration;
    QStringList subs = m_subreader->GetRawTextSubtitles(duration);
    if (subs.empty())
        return;

    VideoOutput *vo = m_player->GetVideoOutput();
    if (vo)
    {
        QRect oldsafe = m_safeArea;
        m_safeArea = m_player->GetVideoOutput()->GetSafeRect();
        if (oldsafe != m_safeArea)
        {
            int height = (m_safeArea.height() * m_textFontZoom) / 1800;
            gTextSubFont->GetFace()->setPixelSize(height);
            gTextSubFont->SetColor(Qt::white);
        }
    }
    else
        return;

    VideoFrame *currentFrame = vo->GetLastShownFrame();
    if (!currentFrame)
        return;

    // delete old subs that may still be on screen
    DeleteAllChildren();
    OptimiseTextSubs(subs);
    DrawTextSubtitles(subs, currentFrame->timecode, duration);
}
Exemple #2
0
void SubtitleScreen::DisplayTextSubtitles(void)
{
    if (!InitialiseFont(m_fontStretch) || !m_player || !m_subreader)
        return;

    bool changed = false;
    VideoOutput *vo = m_player->GetVideoOutput();
    if (vo)
    {
        QRect oldsafe = m_safeArea;
        m_safeArea = m_player->GetVideoOutput()->GetSafeRect();
        if (oldsafe != m_safeArea)
        {
            changed = true;
            int height = (m_safeArea.height() * m_textFontZoom) / 2000;
            gTextSubFont->GetFace()->setPixelSize(height);
            gTextSubFont->GetFace()->setItalic(false);
            gTextSubFont->GetFace()->setUnderline(false);
            gTextSubFont->SetColor(Qt::white);
        }
    }
    else
    {
        return;
    }

    VideoFrame *currentFrame = vo->GetLastShownFrame();
    if (!currentFrame)
        return;

    TextSubtitles *subs = m_subreader->GetTextSubtitles();
    subs->Lock();
    uint64_t playPos = 0;
    if (subs->IsFrameBasedTiming())
    {
        // frame based subtitles get out of synch after running mythcommflag
        // for the file, i.e., the following number is wrong and does not
        // match the subtitle frame numbers:
        playPos = currentFrame->frameNumber;
    }
    else
    {
        // Use timecodes for time based SRT subtitles. Feeding this into
        // NormalizeVideoTimecode() should adjust for non-zero start times
        // and wraps. For MPEG, wraps will occur just once every 26.5 hours
        // and other formats less frequently so this should be sufficient.
        // Note: timecodes should now always be valid even in the case
        // when a frame doesn't have a valid timestamp. If an exception is
        // found where this is not true then we need to use the frameNumber
        // when timecode is not defined by uncommenting the following lines.
        //if (currentFrame->timecode == 0)
        //    playPos = (uint64_t)
        //        ((currentFrame->frameNumber / video_frame_rate) * 1000);
        //else
        playPos = m_player->GetDecoder()->NormalizeVideoTimecode(currentFrame->timecode);
    }
    if (playPos != 0)
        changed |= subs->HasSubtitleChanged(playPos);
    if (!changed)
    {
        subs->Unlock();
        return;
    }

    DeleteAllChildren();
    SetRedraw();
    if (playPos == 0)
    {
        subs->Unlock();
        return;
    }

    QStringList rawsubs = subs->GetSubtitles(playPos);
    if (rawsubs.empty())
    {
        subs->Unlock();
        return;
    }

    OptimiseTextSubs(rawsubs);
    subs->Unlock();
    DrawTextSubtitles(rawsubs, 0, 0);
}