예제 #1
0
void YouTubeWebPageView::CheckSeekToStart()
{
   if (IsPlayerError())
      return; // ignore state changes when already in error state

   T_enPlayerState enState = GetPlayerState();
   if (playerStateUnknown == enState)
      return;

   ATLASSERT(enState == playerStateVideoCued || enState == playerStatePlaying || enState == playerStateBuffering);

   // pause video when at correct time index
   if (GetCurrentTime() >= m_dSeconds && enState == playerStatePlaying)
      PauseVideo();
}
예제 #2
0
bool MythBDPlayer::VideoLoop(void)
{
    if (!player_ctx->buffer->IsBD())
    {
        SetErrored("RingBuffer is not a Blu-Ray disc.");
        return !IsErrored();
    }

    int nbframes = videoOutput ? videoOutput->ValidVideoFrames() : 0;

    // completely drain the video buffers for certain situations
    bool drain = player_ctx->buffer->BD()->BDWaitingForPlayer() &&
                 (nbframes > 0);

    if (drain)
    {
        if (nbframes < 2 && videoOutput)
            videoOutput->UpdatePauseFrame();

        // if we go below the pre-buffering limit, the player will pause
        // so do this 'manually'
        DisplayNormalFrame(false);
        return !IsErrored();
    }

    // clear the mythtv imposed wait state
    if (player_ctx->buffer->BD()->BDWaitingForPlayer())
    {
        LOG(VB_PLAYBACK, LOG_INFO, LOC + "Clearing Mythtv BD wait state");
        player_ctx->buffer->BD()->SkipBDWaitingForPlayer();
        return !IsErrored();
    }

    if (player_ctx->buffer->BD()->IsInStillFrame())
    {
        if (nbframes > 1 && !m_stillFrameShowing)
        {
            videoOutput->UpdatePauseFrame();
            DisplayNormalFrame(false);
            return !IsErrored();
        }

        if (!m_stillFrameShowing)
            needNewPauseFrame = true;

        // we are in a still frame so pause video output
        if (!videoPaused)
        {
            PauseVideo();
            return !IsErrored();
        }

        // flag if we have no frame
        if (nbframes == 0)
        {
            LOG(VB_PLAYBACK, LOG_WARNING, LOC +
                "Warning: In BD Still but no video frames in queue");
            usleep(10000);
            return !IsErrored();
        }

        if (!m_stillFrameShowing)
            LOG(VB_PLAYBACK, LOG_INFO, LOC + "Entering still frame.");
        m_stillFrameShowing = true;
    }
    else
    {
        if (videoPaused && m_stillFrameShowing)
        {
            UnpauseVideo();
            LOG(VB_PLAYBACK, LOG_INFO, LOC + "Exiting still frame.");
        }
        m_stillFrameShowing = false;
    }

    return MythPlayer::VideoLoop();
}
예제 #3
0
bool MythDVDPlayer::VideoLoop(void)
{
    if (!player_ctx->buffer->IsDVD())
    {
        SetErrored("RingBuffer is not a DVD.");
        return !IsErrored();
    }

    int nbframes = 0;
    if (videoOutput)
        nbframes = videoOutput->ValidVideoFrames();

#if 0
    LOG(VB_PLAYBACK, LOG_DEBUG,
        LOC + QString("Validframes %1, FreeFrames %2, VideoPaused %3")
           .arg(nbframes).arg(videoOutput->FreeVideoFrames()).arg(videoPaused));
#endif

    // completely drain the video buffers for certain situations
    bool release_all = player_ctx->buffer->DVD()->DVDWaitingForPlayer() &&
                      (nbframes > 0);
    bool release_one = (nbframes > 1) && videoPaused && !allpaused &&
                       (!videoOutput->EnoughFreeFrames() ||
                        player_ctx->buffer->DVD()->IsWaiting() ||
                        player_ctx->buffer->DVD()->IsInStillFrame());
    if (release_all || release_one)
    {
        if (nbframes < 5 && videoOutput)
            videoOutput->UpdatePauseFrame(disp_timecode);

        // if we go below the pre-buffering limit, the player will pause
        // so do this 'manually'
        DisplayNormalFrame(false);
        dvd_stillframe_showing = false;
        return !IsErrored();
    }

    // clear the mythtv imposed wait state
    if (player_ctx->buffer->DVD()->DVDWaitingForPlayer())
    {
        LOG(VB_PLAYBACK, LOG_INFO, LOC + "Clearing MythTV DVD wait state");
        bool inStillFrame = player_ctx->buffer->DVD()->IsInStillFrame();
        player_ctx->buffer->DVD()->SkipDVDWaitingForPlayer();
        ClearAfterSeek(true);
        if (!inStillFrame && videoPaused && !allpaused)
            UnpauseVideo();
        return !IsErrored();
    }

    // wait for the video buffers to drain
    if (nbframes < 2)
    {
        // clear the DVD wait state
        if (player_ctx->buffer->DVD()->IsWaiting())
        {
            LOG(VB_PLAYBACK, LOG_INFO, LOC + "Clearing DVD wait state");
            bool inStillFrame = player_ctx->buffer->DVD()->IsInStillFrame();
            player_ctx->buffer->DVD()->WaitSkip();
            if (!inStillFrame && videoPaused && !allpaused)
                UnpauseVideo();
            return !IsErrored();
        }

        // we need a custom presentation method for still frame menus with audio
        if (player_ctx->buffer->DVD()->IsInMenu() &&
            !player_ctx->buffer->DVD()->IsInStillFrame())
        {
            // ensure we refresh the pause frame
            if (!dvd_stillframe_showing)
                needNewPauseFrame = true;
            RefreshPauseFrame();
            dvd_stillframe_showing = true;
            DisplayLastFrame();
            return !IsErrored();
        }

        // the still frame is treated as a pause frame
        if (player_ctx->buffer->DVD()->IsInStillFrame())
        {
            // ensure we refresh the pause frame
            if (!dvd_stillframe_showing)
                needNewPauseFrame = true;

            // we are in a still frame so pause video output
            if (!videoPaused)
            {
                PauseVideo();
                return !IsErrored();
            }

            // see if the pause frame has timed out
            StillFrameCheck();

            // flag if we have no frame
            if (nbframes == 0)
            {
                LOG(VB_PLAYBACK, LOG_WARNING, LOC +
                        "In DVD Menu: No video frames in queue");
                usleep(10000);
                return !IsErrored();
            }

            dvd_stillframe_showing = true;
        }
        else
        {
            dvd_stillframe_showing = false;
        }
    }

    // unpause the still frame if more frames become available
    if (dvd_stillframe_showing && nbframes > 1)
    {
        UnpauseVideo();
        dvd_stillframe_showing = false;
        return !IsErrored();
    }

    return MythPlayer::VideoLoop();
}