示例#1
0
 public JpegCallback(CameraPreview cameraPreview)
 {
     this.cameraPreview = cameraPreview;
 }
示例#2
0
        protected override void OnElementChanged(ElementChangedEventArgs <PocketPro.CameraPreview> e)
        {
            base.OnElementChanged(e);

            if (Control == null)
            {
                cameraPreview = new CameraPreview(Context);
                cameraPreview.OnPictureReturn = e.NewElement.OnPictureReturn;
                cameraPreview.OnVideoStarted  = e.NewElement.OnVideoStarted;
                cameraPreview.OnVideoFinished = e.NewElement.OnVideoFinished;

                SetNativeControl(cameraPreview);
            }

            if (e.OldElement != null)
            {
                // Unsubscribe
                cameraPreview.Click -= OnCameraPreviewClicked;
            }

            if (e.NewElement != null)
            {
                Camera camera = null;

                e.NewElement.TakePhotoEvent += (sender, args) =>
                {
                    if (cameraPreview.Preview != null)
                    {
                        cameraPreview.OnPictureReturn = ((PocketPro.CameraPreview)(sender)).OnPictureReturn;
                        cameraPreview.OnVideoStarted  = ((PocketPro.CameraPreview)(sender)).OnVideoStarted;
                        cameraPreview.OnVideoFinished = ((PocketPro.CameraPreview)(sender)).OnVideoFinished;
                        //cameraPreview.Preview.AutoFocus(new AutofocusCallBack(cameraPreview)
                        //{
                        //    isTakePhoto = true
                        //});


                        cameraPreview.camera.EnableShutterSound(false);
                        cameraPreview.camera.TakePicture(new ShutterCallback(), null, new JpegCallback(this.cameraPreview));

                        //}
                        //else camera.AutoFocus(new AutofocusCallBack(cameraPreview)); // TODO: Verify No Memory Leak On Failure
                    }
                    else
                    {
                    }
                };

                e.NewElement.StartRecordingEvent += (sender, args) => {
                    cameraPreview.Preview.StopPreview();
                    cameraPreview.Preview.Release();

                    var cameraOption = cameraOptions.Equals(CameraOptions.Front) ? CameraOptions.Front : CameraOptions.Rear;
                    var dcimPath     = Android.OS.Environment.GetExternalStoragePublicDirectory(Environment.DirectoryMovies).Path;

                    var sdf = new SimpleDateFormat("yyyyMMdd_HHmmss");
                    var currentDateandTime = sdf.Format(new Date());
                    var filename           = $"PocketPro - {currentDateandTime}.mp4";
                    var dcimFilePath       = System.IO.Path.Combine(dcimPath, filename);

                    videoFilePath = dcimFilePath;

                    camera                = Camera.Open((int)cameraOption);
                    cameraOptions         = cameraOption;
                    cameraPreview.Preview = camera;
                    camera.Unlock();

                    try
                    {
                        mRecorder = new MediaRecorder();
                        mRecorder.SetCamera(camera);
                        mRecorder.SetVideoSource(VideoSource.Camera);
                        mRecorder.SetAudioSource(AudioSource.Mic);
                        mRecorder.SetOutputFormat(OutputFormat.Mpeg4);
                        mRecorder.SetVideoEncoder(VideoEncoder.H264);
                        mRecorder.SetAudioEncoder(AudioEncoder.Aac);
                        mRecorder.SetOutputFile(dcimFilePath);
                        mRecorder.SetOrientationHint(0);
                        mRecorder.SetVideoFrameRate(30);
                        // mRecorder.SetVideoEncodingBitRate(512 * 1000);
                        mRecorder.SetVideoSize(1920, 1080);
                        mRecorder.SetPreviewDisplay(cameraPreview.holder.Surface);
                        mRecorder.Prepare();
                        mRecorder.Start();
                    }
                    catch (Exception exception)
                    {
                        Console.WriteLine(exception.Message);
                    }
                };

                e.NewElement.StopRecordingEvent += (sender, args) => {
                    mRecorder.Stop();
                    mRecorder.Reset();
                    mRecorder.Release();

                    //camera = Camera.Open((int)cameraOption);
                    //cameraOptions = cameraOption;
                    //camera.Unlock();

                    var dcimPath     = Android.OS.Environment.GetExternalStoragePublicDirectory(Environment.DirectoryMovies).Path;
                    var fileBase     = System.IO.Path.GetFileNameWithoutExtension(videoFilePath);
                    var dcimFilePath = System.IO.Path.Combine(dcimPath, $"{fileBase}.png");

                    var brightnessService = DependencyService.Get <IRateApplication>();
                    var thumb             = brightnessService.GenerateThumbImage(videoFilePath, 1000);
                    System.IO.File.WriteAllBytes(dcimFilePath, thumb);
                };

                e.NewElement.ToggleCamera += (sender, args) =>
                {
                    cameraPreview.Preview.StopPreview();
                    cameraPreview.Preview.Release();

                    var cameraOption = cameraOptions.Equals(CameraOptions.Front) ? CameraOptions.Front : CameraOptions.Rear;

                    camera        = Camera.Open((int)cameraOption);
                    cameraOptions = cameraOption;

                    cameraPreview.Preview = camera;
                    cameraPreview.Preview.StartPreview();

                    cameraPreview = new CameraPreview(Context);
                    cameraPreview.OnPictureReturn = e.OldElement.OnPictureReturn;
                    cameraPreview.OnVideoStarted  = e.OldElement.OnVideoStarted;
                    cameraPreview.OnVideoFinished = e.OldElement.OnVideoFinished;

                    SetNativeControl(cameraPreview);

                    Control.Preview = camera;
                    Control.Preview.StartPreview();
                };

                e.NewElement.AutoFocusEvent += (sender, args) =>
                {
                    cameraPreview.Preview.AutoFocus(new AutofocusCallBack(cameraPreview));
                };

                e.NewElement.EnableTorchEvent += (sender, args) =>
                {
                    var parameters = cameraPreview.Preview.GetParameters();
                    parameters.FlashMode = Camera.Parameters.FlashModeTorch;
                    //cameraPreview.Preview.StopPreview();
                    cameraPreview.Preview.SetParameters(parameters);
                };

                e.NewElement.DisableTorchEvent += (sender, args) =>
                {
                    var parameters = cameraPreview.Preview.GetParameters();
                    parameters.FlashMode = Camera.Parameters.FlashModeOff;
                    //cameraPreview.Preview.StartPreview();
                    cameraPreview.Preview.SetParameters(parameters);
                };

                // Subscribe
                cameraPreview.Click += OnCameraPreviewClicked;
                try
                {
                    if (camera == null)
                    {
                        Control.Preview = Camera.Open((int)e.NewElement.Camera);
                    }
                }
                catch (Exception cameraException)
                {
                    Console.WriteLine(cameraException.Message);
                }
            }
        }
示例#3
0
 public AutofocusCallBack(CameraPreview cameraPreview)
 {
     this.isTakePhoto   = true;
     this.cameraPreview = cameraPreview;
 }