C++ (Cpp) playbackSpeedChanged示例

示例#1

bool GstVideoPlayerBackend::setSpeed(double speed)
{
    if (!m_pipeline)
        return false;

    if (speed == m_playbackSpeed)
        return true;

    if (speed == 0)
        return false;

    gboolean re = gst_element_seek(m_pipeline, speed, GST_FORMAT_TIME,
                                   GstSeekFlags(GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_SKIP),
                                   GST_SEEK_TYPE_SET, position(), GST_SEEK_TYPE_SET, GST_CLOCK_TIME_NONE);

    if (!re)
    {
        qDebug() << "gstreamer: Setting playback speed failed";
        emit nonFatalError(tr("Playback speed failed"));
    }
    else
    {
        m_playbackSpeed = speed;
        m_lastspeed = speed;
        qDebug() << "gstreamer: set playback speed to" << m_playbackSpeed;
        emit playbackSpeedChanged(m_playbackSpeed);
    }

    return re ? true : false;
}

示例#2

void GstVideoPlayerBackend::play()
{
    if (!m_pipeline)
        return;
    gst_element_set_state(m_pipeline, GST_STATE_PLAYING);
    emit playbackSpeedChanged(m_playbackSpeed);
}

示例#3

文件： packet.cpp 项目： xbackupx/showeqx

///////////////////////////////////////////
// Set the packet playback speed
void EQPacket::setPlayback(int speed)
{
  if (m_vPacket)
  {
    m_vPacket->setPlaybackSpeed(speed);
  }
  else
  {
    m_packetCapture->setPlaybackSpeed(speed);
  }
    
  QString string("");
    
  if (speed == 0)
    string.sprintf("Playback speed set Fast as possible");
  else if (speed < 0)
     string.sprintf("Playback paused (']' to resume)");
  else
     string.sprintf("Playback speed set to %d", speed);

  emit stsMessage(string, 5000);

  emit resetPacket(m_client2WorldStream->packetCount(), client2world);
  emit resetPacket(m_world2ClientStream->packetCount(), world2client);
  emit resetPacket(m_client2ZoneStream->packetCount(), client2zone);
  emit resetPacket(m_zone2ClientStream->packetCount(), zone2client);

  emit playbackSpeedChanged(speed);
}

示例#4

文件： gameconsole.cpp 项目： gitter-badger/Phoenix-3

void GameConsole::setPlaybackSpeed( qreal playbackSpeed ) {
    if( !dynamicPipelineReady() ) {
        qCDebug( phxControl ) << Q_FUNC_INFO << ": Dynamic pipeline not yet fully hooked up, caching change for later...";
        pendingPropertyChanges[ "playbackSpeed" ] = playbackSpeed;
        return;
    }

    this->playbackSpeed = playbackSpeed;
    emit commandOut( Command::SetPlaybackSpeed, playbackSpeed, nodeCurrentTime() );
    emit playbackSpeedChanged();
}

示例#5

文件： MplVideoPlayerBackend.cpp 项目： Wellsen/bluecherry-client

void MplVideoPlayerBackend::play()
{
    if (!m_mplayer || !m_mplayer->isRunning() || !m_mplayer->isReadyToPlay())
        return;

    m_mplayer->play();

    emit playbackSpeedChanged(m_playbackSpeed);

    VideoState old = m_state;
    m_state = Playing;
    emit stateChanged(m_state, old);
}

示例#6

文件： MplVideoPlayerBackend.cpp 项目： Wellsen/bluecherry-client

bool MplVideoPlayerBackend::setSpeed(double speed)
{
    if (!m_mplayer || !m_mplayer->isRunning())
        return false;

    if (speed == m_playbackSpeed)
        return true;

    if (speed == 0)
        return false;

    m_mplayer->setSpeed(speed);

    m_playbackSpeed = speed;
    m_lastspeed = speed;
    emit playbackSpeedChanged(m_playbackSpeed);

    return speed;
}