Exemplo n.º 1
0
void
EngineController::endSession()
{
    //only update song stats, when we're not going to resume it
    if ( !AmarokConfig::resumePlayback() && m_currentTrack )
    {
        playbackEnded( trackPosition(), m_currentTrack->length(), EngineObserver::EndedQuit );
        emit trackChanged( Meta::TrackPtr( 0 ) );
    }
}
void PlayerComponent::handleMpvEvent(mpv_event *event)
{
  switch (event->event_id)
  {
    case MPV_EVENT_START_FILE:
    {
      m_CurrentUrl = mpv::qt::get_property_variant(m_mpv, "path").toString();
      m_playbackStartSent = false;
      break;
    }
    case MPV_EVENT_FILE_LOADED:
    {
      emit playing(m_CurrentUrl);
      break;
    }
    case MPV_EVENT_END_FILE:
    {
      mpv_event_end_file *end_file = (mpv_event_end_file *)event->data;
      switch (end_file->reason)
      {
        case MPV_END_FILE_REASON_EOF:
          emit finished(m_CurrentUrl);
          break;
        case MPV_END_FILE_REASON_ERROR:
          emit error(end_file->error, mpv_error_string(end_file->error));
          break;
        default:
          emit stopped(m_CurrentUrl);
          break;
      }

      emit playbackEnded(m_CurrentUrl);
      m_CurrentUrl = "";

      m_restoreDisplayTimer.start(0);
      break;
    }
    case MPV_EVENT_IDLE:
    {
      emit playbackAllDone();
      break;
    }
    case MPV_EVENT_PLAYBACK_RESTART:
    {
      // it's also sent after seeks are completed
      if (!m_playbackStartSent)
        emit playbackStarting();
      m_playbackStartSent = true;
      break;
    }
    case MPV_EVENT_PROPERTY_CHANGE:
    {
      mpv_event_property *prop = (mpv_event_property *)event->data;
      if (strcmp(prop->name, "pause") == 0 && prop->format == MPV_FORMAT_FLAG)
      {
        int state = *(int *)prop->data;
        emit paused(state);
      }
      else if (strcmp(prop->name, "cache-buffering-state") == 0 && prop->format == MPV_FORMAT_INT64)
      {
        int64_t percentage = *(int64_t *)prop->data;
        emit buffering(percentage);
      }
      else if (strcmp(prop->name, "playback-time") == 0 && prop->format == MPV_FORMAT_DOUBLE)
      {
        double pos = *(double*)prop->data;
        if (fabs(pos - m_lastPositionUpdate) > 0.25)
        {
          quint64 ms = (quint64)(qMax(pos * 1000.0, 0.0));
          emit positionUpdate(ms);
          m_lastPositionUpdate = pos;
        }
      }
      else if (strcmp(prop->name, "vo-configured") == 0)
      {
        int state = prop->format == MPV_FORMAT_FLAG ? *(int *)prop->data : 0;
        emit windowVisible(state);
      }
      else if (strcmp(prop->name, "duration") == 0)
      {
        if (prop->format == MPV_FORMAT_DOUBLE)
          emit updateDuration(*(double *)prop->data * 1000.0);
      }
      else if (strcmp(prop->name, "audio-device-list") == 0)
      {
        updateAudioDeviceList();
      }
      break;
    }
    case MPV_EVENT_LOG_MESSAGE:
    {
      mpv_event_log_message *msg = (mpv_event_log_message *)event->data;
      // Strip the trailing '\n'
      size_t len = strlen(msg->text);
      if (len > 0 && msg->text[len - 1] == '\n')
        len -= 1;
      QString logline = QString::fromUtf8(msg->prefix) + ": " + QString::fromUtf8(msg->text, len);
      if (msg->log_level >= MPV_LOG_LEVEL_V)
        QLOG_DEBUG() << qPrintable(logline);
      else if (msg->log_level >= MPV_LOG_LEVEL_INFO)
        QLOG_INFO() << qPrintable(logline);
      else if (msg->log_level >= MPV_LOG_LEVEL_WARN)
        QLOG_WARN() << qPrintable(logline);
      else
        QLOG_ERROR() << qPrintable(logline);
      break;
    }
    case MPV_EVENT_CLIENT_MESSAGE:
    {
      mpv_event_client_message *msg = (mpv_event_client_message *)event->data;
      // This happens when the player is about to load the file, but no actual loading has taken part yet.
      // We use this to block loading until we explicitly tell it to continue.
      if (msg->num_args >= 3 && !strcmp(msg->args[0], "hook_run") && !strcmp(msg->args[1], "1"))
      {
        QString resume_id = QString::fromUtf8(msg->args[2]);
        // Calling this lambda will instruct mpv to continue loading the file.
        auto resume = [=] {
          QLOG_INFO() << "resuming loading";
          mpv::qt::command_variant(m_mpv, QStringList() << "hook-ack" << resume_id);
        };
        if (switchDisplayFrameRate())
        {
          // Now wait for some time for mode change - this is needed because mode changing can take some
          // time, during which the screen is black, and initializing hardware decoding could fail due
          // to various strange OS-related reasons.
          // (Better hope the user doesn't try to exit Konvergo during mode change.)
          int pause = SettingsComponent::Get().value(SETTINGS_SECTION_VIDEO, "refreshrate.delay").toInt() * 1000;
          QLOG_INFO() << "waiting" << pause << "msec after rate switch before loading";
          QTimer::singleShot(pause, resume);
        }
        else
        {
          resume();
        }
        break;
      }
    }
    default:; /* ignore */
  }
}
Exemplo n.º 3
0
int main()
{
    // Objects
    CameraInput *camera = new CameraInput();
    Control *controller = new Control();
    Process *processer = new Process();
    Tracking *tracker = new Tracking();
    Serial_Communication *serial = new Serial_Communication("/dev/ttyUSB0", "/dev/ttyUSB1");
//    Serial_Communication *serial = new Serial_Communication("/dev/ttyUSB0");// #### For testing with only one arduino
    File_Handler *file_Handler = new File_Handler();
    Window_Handler *window_Handler = new Window_Handler();
    Menu *menu = new Menu();


    // Threads
    QThread *t1 = new QThread;
    QThread *t2 = new QThread;
    QThread *t3 = new QThread;
    QThread *t4 = new QThread;
    QThread *t5 = new QThread;

    camera->moveToThread(t1);
    processer->moveToThread(t2);
    tracker->moveToThread(t3);
    serial->moveToThread(t3);
    controller->moveToThread(t4);
    file_Handler->moveToThread(t5);

    // Connect signals to slots. Whenever a signal is emitted in a function, its corresponding (connected) function will run.
    qRegisterMetaType<cv::Mat>("cv::Mat");

    //Signals calling from:
    //Main thread
    QObject::connect(menu, SIGNAL(startRecording(bool)), controller, SLOT(startRecording(bool)));
    QObject::connect(menu, SIGNAL(stopRecording()), controller, SLOT(stopRecording()));
    QObject::connect(menu, SIGNAL(displayMenu(cv::Mat)), window_Handler, SLOT(drawImage(cv::Mat)));
    QObject::connect(menu, SIGNAL(requestDataFromFootController()), serial, SLOT(receiveDataFromFootControllerLoop()));
    QObject::connect(menu, SIGNAL(startHighRep()), controller, SLOT(startDelayMode()));
    QObject::connect(menu, SIGNAL(decreaseDelay()), controller, SLOT(decreaseDelay()));
    QObject::connect(menu, SIGNAL(increaseDelay()), controller, SLOT(increaseDelay()));
    QObject::connect(menu, SIGNAL(modeSwitch()), controller, SLOT(endMode()));
    QObject::connect(menu, SIGNAL(startPlayback()), file_Handler, SLOT(readFromFile()));
    QObject::connect(menu, SIGNAL(stopPlayback()), file_Handler, SLOT(stopVideo()));
    QObject::connect(menu, SIGNAL(toggleSlowMotion()), file_Handler, SLOT(toggleSlowMotion()));
    QObject::connect(menu, SIGNAL(toggleTracking()), controller, SLOT(toggleTracking()));

    //Thread 1
    QObject::connect(t1, SIGNAL(started()), camera, SLOT(captureImage()));
    QObject::connect(camera, SIGNAL(capturedImage(cv::Mat)), controller, SLOT(inputImage(cv::Mat)));

    //Thread 2
    QObject::connect(t2, SIGNAL(started()), controller, SLOT(processerReady()));
    QObject::connect(processer, SIGNAL(posXposY(int,int)), tracker, SLOT(position(int,int)));
    QObject::connect(processer, SIGNAL(readyForWork()), controller, SLOT(processerReady()));

    //Thread 3
    QObject::connect(tracker, SIGNAL(directionAndSpeed(int,int)), serial, SLOT(sendDataToControlUnit(int,int)));
    QObject::connect(serial, SIGNAL(fromFootController(char)), menu, SLOT(giveInput(char)));

    //Thread 4
    QObject::connect(t4, SIGNAL(started()), controller, SLOT(fileHandlerReadyToWrite()));
    QObject::connect(controller, SIGNAL(imageToProcess(cv::Mat)), processer, SLOT(processImage(cv::Mat)));
    QObject::connect(controller, SIGNAL(requestImage()), camera, SLOT(captureImage()));
    QObject::connect(controller, SIGNAL(imageToRecord(cv::Mat)), file_Handler, SLOT(writeImage(cv::Mat)));
//    QObject::connect(controller, SIGNAL(imageToShow(cv::Mat)), window_Handler, SLOT(drawImage(cv::Mat)));
    QObject::connect(processer, SIGNAL(processedImage(cv::Mat)), window_Handler, SLOT(drawImage(cv::Mat)));
    QObject::connect(controller, SIGNAL(stopMotor()), serial, SLOT(stopMotor()));

    //Thread 5
    QObject::connect(file_Handler, SIGNAL(showFrame(cv::Mat)), window_Handler, SLOT(drawImage(cv::Mat)));
    QObject::connect(file_Handler, SIGNAL(readyToWrite()), controller, SLOT(fileHandlerReadyToWrite()));
    QObject::connect(file_Handler, SIGNAL(timeout()), file_Handler, SLOT(playVideo()));
    QObject::connect(file_Handler, SIGNAL(playbackEnded()), menu, SLOT(returnToLowRep()));

    // Starting Threads
    t1->start();
    t2->start();
    t3->start();
    t4->start();
    t5->start();

//    menu->menu();
    menu->inputHandler();
    return 0;
}