confused camera glass to return

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  My Air application can no longer be the names of cameras installed on my Mac.

  He worked for months and until the day or there is I don't know what happened.

  I don't know if AIR 2.5.1 update or view a website (http://www.2much.net/miricam/freemiricam.php)

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  Camera.names.length run my air application, now returns 0, when before he would return 3. Camera.getCamera () does not work (returns null), so I can't view my webcam (iSight).

  When I run my air app in the debugger in Flex Builder, Camera.names.length returns 3 and I can view my webcam. I'm at a loss at how to solve this problem.

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• Return to the original photo in Camera Raw

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  I asked a long time ago. At that time there was no satisfactory answer. I therefore ask the question again.

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• Another problem of camera!

  Hello

  I discovered a bug in my code that causes some videos recorded in the landscape to display incorrectly (laterally) rotated when played with the native multimedia player.

  I only have been through hellovideocamera and can not find all the differences between my code and sample.

  What I realized however is that mVideoAngle and mVfAngle are still the two 0 (creating viewfinder) initially after having called

  if (camera_get_video_property(mCameraHandle,
              CAMERA_IMGPROP_ROTATION, &mVideoAngle) == CAMERA_EOK) {
          cout << "\n initial video angle" << mVideoAngle;
      }
      if (camera_get_videovf_property(mCameraHandle,
              CAMERA_IMGPROP_ROTATION, &mVfAngle) == CAMERA_EOK) {
          cout << "\n initial video viewfinder angle" << mVfAngle;
      }
  

  I managed to get something other than 0 for the above code by replacing camera_get_video_property with camera_get_photo_property (I get 270), but then the video is upside down.

  Please see the complete createViewfinder code below.

  int MuteCamera::createViewfinder(camera_unit_t cameraUnit,
          const QString &group,
          const QString &id)
  {
      mVideoFileDescriptor = -1;
      cout << "\n createViewfinder";
      cout.flush();
      mCameraHandle = CAMERA_HANDLE_INVALID;;
      if (mCameraHandle != CAMERA_HANDLE_INVALID) {
          cout << "camera already running";
          cout.flush();
          return EBUSY;
      }
      mCameraUnit = cameraUnit;
  
      camera_error_t  rc = camera_open(mCameraUnit,
              CAMERA_MODE_RW | CAMERA_MODE_ROLL,
              &mCameraHandle);
  
      if (rc != CAMERA_EOK) {
          cout << "could not open camera " << rc << "\n";
          return EIO;
      }
      cout << "\n camera opened";
      cout.flush();
  
      mShouldMirror = (mCameraUnit == CAMERA_UNIT_FRONT);
      querySupportedRotationsVideo();
  
      if (camera_get_video_property(mCameraHandle,
              CAMERA_IMGPROP_ROTATION, &mVideoAngle) == CAMERA_EOK) {
          cout << "\n initial video angle" << mVideoAngle;
      }
      if (camera_get_videovf_property(mCameraHandle,
              CAMERA_IMGPROP_ROTATION, &mVfAngle) == CAMERA_EOK) {
          cout << "\n initial video viewfinder angle" << mVfAngle;
      }
      if (camera_set_videovf_property(mCameraHandle,
              CAMERA_IMGPROP_WIN_GROUPID, group.toStdString().c_str(),
              CAMERA_IMGPROP_WIN_ID, id.toStdString().c_str()) == CAMERA_EOK) {
          cout << "viewfinder configured";
          if (camera_start_video_viewfinder(mCameraHandle, NULL, &status_callback_video, this) == CAMERA_EOK) {
  
              cout << "viewfinder started \n";
              cout.flush();
              return EOK;
          }
      }
      cout << "couldn't start viewfinder";
      cout.flush();
      camera_close(mCameraHandle);
      mCameraHandle = CAMERA_HANDLE_INVALID;
      return EIO;
  }
  

  Really puzzled with this - any help appreciated.

  It turned out that I was variable initialization after you have created the page of the camera, rather than before.

• [HELP] H264 video camera trying to change HelloVideoCamera

  I am very new to recording video and video encoding of the animals.

  In this line, I have error 22

   

  camera_error_t error = camera_start_encode(mCameraHandle, NULL, NULL, NULL, NULL, NULL);
  
  fprintf(stderr, "camera_start_encode() error %d", error); // It returns 22
  

  I checked here https://developer.blackberry.com/native/reference/core/com.qnx.doc.camera.lib_ref/topic/camera_error... what is the error 22, but I do not see the error with 22 values

  Here's my complete code

  HelloVideoCameraApp::HelloVideoCameraApp(bb::cascades::Application *app) :
          QObject(app),
          mCameraHandle(CAMERA_HANDLE_INVALID),
          mVideoFileDescriptor(-1)
  {
      mViewfinderWindow = ForeignWindowControl::create().windowId(QString("cameraViewfinder"));
      mViewfinderWindow->setUpdatedProperties(WindowProperty::Position | WindowProperty::Size | WindowProperty::Visible);
  
      QObject::connect(mViewfinderWindow, SIGNAL(windowAttached(screen_window_t, const QString &, const QString &)), this, SLOT(onWindowAttached(screen_window_t, const QString &,const QString &)));
  
      mStartFrontButton = Button::create("Front Camera").onClicked(this, SLOT(onStartFront()));
      mStartRearButton = Button::create("Rear Camera").onClicked(this, SLOT(onStartRear()));
      mStopButton = Button::create("Stop Camera").onClicked(this, SLOT(onStopCamera()));
      mStopButton->setVisible(false);
      mStartStopButton = Button::create("Record Start").onClicked(this, SLOT(onStartStopRecording()));
      mStartStopButton->setVisible(false);
  
      mStatusLabel = Label::create("filename");
      mStatusLabel->setVisible(false);
  
      Container* container = Container::create()
          .layout(DockLayout::create())
          .add(Container::create()
              .horizontal(HorizontalAlignment::Center)
              .vertical(VerticalAlignment::Center)
              .add(mViewfinderWindow))
          .add(Container::create()
              .horizontal(HorizontalAlignment::Left)
              .vertical(VerticalAlignment::Top)
              .add(mStatusLabel))
          .add(Container::create()
              .horizontal(HorizontalAlignment::Center)
              .vertical(VerticalAlignment::Bottom)
              .layout(StackLayout::create()
                          .orientation(LayoutOrientation::LeftToRight))
                          .add(mStartFrontButton)
                          .add(mStartRearButton)
                          .add(mStartStopButton)
                          .add(mStopButton));
  
      app->setScene(Page::create().content(container));
  }
  
  HelloVideoCameraApp::~HelloVideoCameraApp()
  {
  }
  
  void HelloVideoCameraApp::onWindowAttached(screen_window_t win, const QString &group, const QString &id)
  {
      int i = (mCameraUnit == CAMERA_UNIT_FRONT);
      screen_set_window_property_iv(win, SCREEN_PROPERTY_MIRROR, &i);
      i = -1;
      screen_set_window_property_iv(win, SCREEN_PROPERTY_ZORDER, &i);
      screen_context_t screen_ctx;
      screen_get_window_property_pv(win, SCREEN_PROPERTY_CONTEXT, (void **)&screen_ctx);
      screen_flush_context(screen_ctx, 0);
  }
  
  int HelloVideoCameraApp::createViewfinder(camera_unit_t cameraUnit, const QString &group, const QString &id)
  {
      if (mCameraHandle != CAMERA_HANDLE_INVALID)
      {
          qDebug() << "camera already running";
          return EBUSY;
      }
  
      mCameraUnit = cameraUnit;
  
      if (camera_open(mCameraUnit,CAMERA_MODE_RW | CAMERA_MODE_ROLL,&mCameraHandle) != CAMERA_EOK)
      {
          qDebug() << "could not open camera";
          return EIO;
      }
  
      qDebug() << "camera opened";
  
      //camera_set_video_property(mCameraHandle, CAMERA_IMGPROP_VIDEOCODEC, CAMERA_VIDEOCODEC_H264);
  
      camera_error_t error = camera_set_video_property(mCameraHandle,
                                                                  CAMERA_IMGPROP_VIDEOCODEC, CAMERA_VIDEOCODEC_H264,
                                                                  CAMERA_IMGPROP_WIDTH, 640,
                                                                  CAMERA_IMGPROP_HEIGHT, 352,
                                                                  CAMERA_IMGPROP_FRAMERATE, (double)30.0);
  
      if(error == CAMERA_EOK)
          {
                  qDebug() << "VIDEO PROPERTY SUCCESS";
          }
          else
          {
                  qDebug() << "VIDEO PROPERTY ERROR: " << error;
          }
  
      if (camera_set_videovf_property(mCameraHandle,CAMERA_IMGPROP_WIN_GROUPID, group.toStdString().c_str(),CAMERA_IMGPROP_WIN_ID, id.toStdString().c_str()) == CAMERA_EOK)
      {
          qDebug() << "viewfinder configured";
  
          if (camera_start_video_viewfinder(mCameraHandle, NULL, NULL, NULL) == CAMERA_EOK)
          {
              qDebug() << "viewfinder started";
              mStartFrontButton->setVisible(false);
              mStartRearButton->setVisible(false);
              mStopButton->setVisible(true);
              mStartStopButton->setText("Start Recording");
              mStartStopButton->setVisible(true);
              mStartStopButton->setEnabled(true);
              return EOK;
          }
      }
  
      qDebug() << "couldn't start viewfinder";
  
      camera_close(mCameraHandle);
      mCameraHandle = CAMERA_HANDLE_INVALID;
      return EIO;
  }
  
  void HelloVideoCameraApp::onStartFront()
  {
      qDebug() << "onStartFront";
  
      if (mViewfinderWindow)
      {
          // create a window and see if we can catch the join
          if (createViewfinder(CAMERA_UNIT_FRONT,mViewfinderWindow->windowGroup().toStdString().c_str(),mViewfinderWindow->windowId().toStdString().c_str()) == EOK)
          {
              qDebug() << "created viewfinder";
          }
      }
  }
  
  void HelloVideoCameraApp::onStartRear()
  {
      qDebug() << "onStartRear";
  
      if (mViewfinderWindow)
      {
          // create a window and see if we can catch the join
          if (createViewfinder(CAMERA_UNIT_REAR,mViewfinderWindow->windowGroup().toStdString().c_str(),mViewfinderWindow->windowId().toStdString().c_str()) == EOK)
          {
              qDebug() << "created viewfinder";
          }
      }
  }
  
  void HelloVideoCameraApp::onStopCamera()
  {
      qDebug() << "onStopCamera";
  
      if (mCameraHandle != CAMERA_HANDLE_INVALID)
      {
          // closing the camera handle causes the viewfinder to stop which will in turn
          // cause it to detach from the foreign window
          camera_close(mCameraHandle);
          mCameraHandle = CAMERA_HANDLE_INVALID;
          // reset button visibility
          mStartStopButton->setVisible(false);
          mStopButton->setVisible(false);
          mStartFrontButton->setVisible(true);
          mStartRearButton->setVisible(true);
      }
  }
  
  void HelloVideoCameraApp::onStartStopRecording()
  {
      qDebug() << "onStartStopRecording";
  
      if (mCameraHandle != CAMERA_HANDLE_INVALID)
      {
          if (mVideoFileDescriptor == -1)
          {
              soundplayer_play_sound_blocking("event_recording_start");
  
              char filename[CAMERA_ROLL_NAMELEN];
  
              if (camera_roll_open_video(mCameraHandle,&mVideoFileDescriptor,filename,sizeof(filename),CAMERA_ROLL_VIDEO_FMT_DEFAULT) == CAMERA_EOK)
              {
                  qDebug() << "opened " << filename;
  
  //                if (camera_start_video(mCameraHandle,filename,NULL,NULL,NULL) == CAMERA_EOK)
  //                {
  //                    qDebug() << "started recording";
  //                    mStartStopButton->setText("Stop Recording");
  //                    mStopButton->setEnabled(false);
  //                    mStatusLabel->setText(basename(filename));
  //                    mStatusLabel->setVisible(true);
  //                    return;
  //                }
  
                  camera_error_t error = camera_start_encode(mCameraHandle, NULL, NULL, NULL, NULL, NULL);
  
                                  if(error == CAMERA_EOK)
                                  {
                                          qDebug() << "Encoding started\n";
                                          mStartStopButton->setText("Stop Recording");
                                          mStopButton->setEnabled(false);
                                          mStatusLabel->setText(basename(filename));
                                          mStatusLabel->setVisible(true);
                                          return;
                                  }
                                  else
                                  {
                                          qDebug() << "Encoding Failed\n";
                                  }
  
                                  fprintf(stderr, "camera_start_encode() error %d", error);
  
                  qDebug() << "failed to start recording: " << error;
                  camera_roll_close_video(mVideoFileDescriptor);
                  mVideoFileDescriptor = -1;
              }
  
              soundplayer_play_sound("event_recording_stop");
          }
          else
          {
              soundplayer_play_sound("event_recording_stop");
              camera_stop_encode(mCameraHandle);
              qDebug() << "stopped recording";
              camera_roll_close_video(mVideoFileDescriptor);
              mVideoFileDescriptor = -1;
              mStartStopButton->setText("Start Recording");
              mStopButton->setEnabled(true);
              mStatusLabel->setVisible(false);
          }
      }
  }
  

  Any help is appreciated. Please, I beg you. Thank you.

  Thank you... I eliminated the camera_start_encode function

  my main problem was I really need to encode H264 video recording... and now I have the solution... Knobtviker taugtht me... I used the BestCam sample...

  added to this camera_init_video_encoder(); to the constructor

  and added this line after the opening of the camera

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  These properties too

  QByteArray groupBA is mFwc-> windowGroup () .toLocal8Bit ();.
  QByteArray winBA is mFwc-> windowId () .toLocal8Bit ();.
  ERR = camera_set_videovf_property (mHandle, CAMERA_IMGPROP_HWOVERLAY, 1, CAMERA_IMGPROP_FORMAT, CAMERA_FRAMETYPE_NV12, CAMERA_IMGPROP_WIN_GROUPID, groupBA.data (), CAMERA_IMGPROP_WIN_ID, winBA.data (), CAMERA_IMGPROP_WIDTH, CAMERA_IMGPROP_HEIGHT, 720, 720, CAMERA_IMGPROP_MAXFOV, 0);
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  now I can record video in H264 format.

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  2. the snapshots are bad for the performance of your drive.

  3. If drives delta must grow, Lun will be locked, which is bad for the performance of the other virtual machines using the same LUN.

  4. virtual machines with a snapshot cannot use VMware Fault Tolerance.

  Robert

  Post edited by: RvdNieuwendijk

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  Sent from my iPhone

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