public void StartRecording(string path, string name)
{
job = new LiveJob();
dvs = job.AddDeviceSource(Video, Audio);
job.ActivateSource(dvs);
WindowsMediaOutputFormat outputFormat = new WindowsMediaOutputFormat();
AdvancedVC1VideoProfile profile = new AdvancedVC1VideoProfile();
profile.Bitrate = new ConstantBitrate(1280, false);
profile.Size = new System.Drawing.Size(640, 360);
WmaAudioProfile audioProfile = new WmaAudioProfile();
outputFormat.AudioProfile = audioProfile;
outputFormat.VideoProfile = profile;
job.OutputFormat = outputFormat;
CurrentVideoPath = Path.Combine(path, name);
FileArchivePublishFormat fileOut = new FileArchivePublishFormat();
fileOut.OutputFileName = CurrentVideoPath;
job.PublishFormats.Add(fileOut);
job.StartEncoding();
IsRecording = true;
}
private void Broadcast_Click(object sender, EventArgs e)
{
EncoderDevice video = null;
EncoderDevice audio = null;
GetSelectedVideoAndAudioDevices(out video, out audio);
StopJob();
if (video == null)
{
return;
}
_job = new LiveJob();
_deviceSource = _job.AddDeviceSource(video, audio);
_job.ActivateSource(_deviceSource);
// Finds and applys a smooth streaming preset
_job.ApplyPreset(LivePresets.VC1256kDSL16x9);
// Creates the publishing format for the job
PullBroadcastPublishFormat format = new PullBroadcastPublishFormat();
format.BroadcastPort = 8080;
format.MaximumNumberOfConnections = 2;
// Adds the publishing format to the job
_job.PublishFormats.Add(format);
// Starts encoding
_job.StartEncoding();
toolStripStatusLabel1.Text = "Broadcast started on localhost at port 8080, run WpfShowBroadcast.exe now to see it";
}
private void StartCam()
{
var lstVideoDevices = new List <EncoderDevice>();
var lstAudioDevices = new List <EncoderDevice>();
foreach (EncoderDevice edv in EncoderDevices.FindDevices(EncoderDeviceType.Video))
{
lstVideoDevices.Add(edv);
//listBox1.Items.Add(edv.Name);
}
foreach (EncoderDevice eda in EncoderDevices.FindDevices(EncoderDeviceType.Audio))
{
lstAudioDevices.Add(eda);
//listBox2.Items.Add(eda.Name);
}
var video = lstVideoDevices.FirstOrDefault();
var audio = lstAudioDevices.FirstOrDefault();
_job = new LiveJob();
_deviceSource = _job.AddDeviceSource(video, audio);
_deviceSource.VideoDevice = video;
_deviceSource.AudioDevice = audio;
_deviceSource.PreviewWindow = new PreviewWindow(new HandleRef(this, this.Handle));
_deviceSource.PreviewWindow.SetSize(Size);
_job.ActivateSource(_deviceSource);
}
public void GetVideo()
{
var listVideoDevices = new List <EncoderDevice>();
var listAudioDevices = new List <EncoderDevice>();
foreach (var edv in EncoderDevices.FindDevices(EncoderDeviceType.Video))
{
listVideoDevices.Add(edv);
}
foreach (var edv in EncoderDevices.FindDevices(EncoderDeviceType.Audio))
{
listAudioDevices.Add(edv);
}
var job = new LiveJob();
var deviceSource = job.AddDeviceSource(listVideoDevices[0], listAudioDevices[0]);
job.ActivateSource(deviceSource);
job.ApplyPreset(LivePresets.VC1HighSpeedBroadband4x3);
PullBroadcastPublishFormat format = new PullBroadcastPublishFormat();
format.BroadcastPort = 5001;
format.MaximumNumberOfConnections = 1;
job.PublishFormats.Add(format);
job.StartEncoding();
}
private void Broadcast_Click(object sender, EventArgs e)
{
EncoderDevice video = null;
EncoderDevice audio = null;
GetSelectedVideoAndAudioDevices(out video, out audio);
StopJob();
if (video == null)
{
return;
}
_job = new LiveJob();
_deviceSource = _job.AddDeviceSource(video, audio);
_job.ActivateSource(_deviceSource);
// Finds and applys a smooth streaming preset
_job.ApplyPreset(LivePresets.VC1256kDSL16x9);
// Creates the publishing format for the job
PullBroadcastPublishFormat format = new PullBroadcastPublishFormat();
format.BroadcastPort = 8080;
format.MaximumNumberOfConnections = 2;
// Adds the publishing format to the job
_job.PublishFormats.Add(format);
// Starts encoding
_job.StartEncoding();
toolStripStatusLabel1.Text = "Broadcast started on localhost at port 8080, run WpfShowBroadcast.exe now to see it";
}
private void SetupJob()
{
// Sets the audio devices to the collection. Adds a null at the beginning for user to select no device
AudioDevices = new ObservableCollection <EncoderDevice>(EncoderDevices.FindDevices(EncoderDeviceType.Audio));
AudioDevices.Insert(0, null);
// Gets all the video devices and sets the screen source.
EncoderDevice Video = null;
Collection <EncoderDevice> videoSources = EncoderDevices.FindDevices(EncoderDeviceType.Video);
foreach (EncoderDevice dev in videoSources)
{
if (dev.Name.Contains("Screen Capture Source"))
{
Video = dev;
}
}
// Creats the source
Source = Job.AddDeviceSource(Video, null);
// Activates sources and sets preset to job
Job.ActivateSource(Source);
Job.ApplyPreset(LivePresets.VC1HighSpeedBroadband4x3);
}
private void startVideoCapture(JObject m)
{
liveSource = job.AddDeviceSource(videoDevice, audioDevice);
while (!story.videoPreview.IsHandleCreated)
{
Thread.Sleep(100);
}
if (liveSource.PreviewWindow == null)
{
story.videoPreview.Invoke((MethodInvoker) delegate
{
story.videoPreview = new System.Windows.Forms.Panel();
story.videoPreview.Height = int.Parse(story.Height.ToString());
story.videoPreview.Width = int.Parse(story.Width.ToString());
story.FormHost.Child = story.videoPreview;
liveSource.PreviewWindow = new PreviewWindow(new HandleRef(story.videoPreview, story.videoPreview.Handle));
//job.OutputPreviewWindow = new PreviewWindow(new HandleRef(story.videoPreview, story.videoPreview.Handle));
//liveSource.PreviewWindow.SetSize(new System.Drawing.Size((int)story.videoPreview.Width, (int)story.videoPreview.Height));
});
}
job.ActivateSource(liveSource);
if (File.Exists("C:\\Dropbox\\" + System.Windows.Forms.SystemInformation.ComputerName + "\\videos\\tempVideo.wmv"))
{
File.Delete("C:\\Dropbox\\" + System.Windows.Forms.SystemInformation.ComputerName + "\\videos\\tempVideo.wmv");
}
job.PublishFormats.Add(fileOut);
job.StartEncoding();
}
public CatCam()
{
InitializeComponent();
Console.Write("here");
EncoderDevice video = EncoderDevices.FindDevices(EncoderDeviceType.Video)[1];
EncoderDevice audio = EncoderDevices.FindDevices(EncoderDeviceType.Audio).First();
StopJob();
if (video == null || audio == null)
{
return;
}
// Starts new job for preview window
_job = new LiveJob();
// Checks for a/v devices
if (video != null && audio != null)
{
// Create a new device source. We use the first audio and video devices on the system
_deviceSource = _job.AddDeviceSource(video, audio);
_deviceSource.PickBestVideoFormat(new Size(640, 480), 15);
// Get the properties of the device video
SourceProperties sp = _deviceSource.SourcePropertiesSnapshot();
// Resize the preview panel to match the video device resolution set
previewPanel.Size = new Size(sp.Size.Width, sp.Size.Height);
// Setup the output video resolution file as the preview
_job.OutputFormat.VideoProfile.Size = new Size(sp.Size.Width, sp.Size.Height);
// Sets preview window to winform panel hosted by xaml window
_deviceSource.PreviewWindow = new PreviewWindow(new HandleRef(previewPanel, previewPanel.Handle));
// Make this source the active one
_job.ActivateSource(_deviceSource);
snapButton.Enabled = true;
}
else
{
// Gives error message as no audio and/or video devices found
MessageBox.Show("No Video/Audio capture devices have been found.", "Warning");
}
}
private void SetDeviceSources()
{// locates the first video device with name = _videoSourceName and the first audio device found (required for class
// constructor but not used in our project)
// creates LiveJob and adds device sources.
EncoderDevice videoDevice = null;
EncoderDevice audioDevice = null;
_deviceSource = null;
videoDevice = EncoderDevices.FindDevices(EncoderDeviceType.Video).FirstOrDefault(vd => vd.Name == _videoSourceName);
audioDevice = EncoderDevices.FindDevices(EncoderDeviceType.Audio).FirstOrDefault();
if (videoDevice != null && audioDevice != null)
{
_job = new LiveJob();
_deviceSource = _job.AddDeviceSource(videoDevice, audioDevice);
}
}
// metoda włączająca podgląd obrazu z urządzenia
internal void Play(string deviceName, PictureBox p_preview)
{
this.p_preview = p_preview;
for (int i = 0; i < capDevices.Count; i++)
{
if (capDevices[i].Equals(deviceName))
{
selectDeviceIndex = i;
}
}
// Starts new job for preview window
_job = new LiveJob();
// Create a new device source. We use the first audio and video devices on the system
_deviceSource = _job.AddDeviceSource(GetVideoDevice(deviceName), AudioDevices[0]);
// Sets preview window to winform panel hosted by xaml window
_deviceSource.PreviewWindow = new PreviewWindow(new HandleRef(p_preview, p_preview.Handle));
// Make this source the active one
_job.ActivateSource(_deviceSource);
}
public mainScreen()
{
InitializeComponent();
//initilize a list of string equivalents of audio visual devices
initDeviceList();
//read the datta in
theSettings = Settings.readFile(audioDeviceLst, vidDeviceLst);
//construct the values for the actual devices
convertStringToDevice(theSettings);
// Starts new job for preview window
audVidJob = new LiveJob();
// Create a new device source. We use the first audio and video devices on the system
deviceSource = audVidJob.AddDeviceSource(videoDevice, audioDevice);
// Sets preview window to winform panel hosted by xaml window
deviceSource.PreviewWindow = new PreviewWindow(new HandleRef(this.panel1, this.panel1.Handle));
// Make this source the active one
audVidJob.ActivateSource(deviceSource);
//update the face detection values displayed (based on what is read from the file)
this.updateDetectionGUI();
this.statusLbl.Text = BoTStatus.Detecting.ToString();
//check the number of videos recorded at start by counting how many videos have been recorded
System.IO.DirectoryInfo dir = new System.IO.DirectoryInfo(theSettings.savePath);
this.numRecorded = dir.GetFiles().Length;
this.recordedLbl.Text = numRecorded.ToString();
//now that the form and it's members have been properly initialized, initialize and start the facial
//recognition system
faceRecognizer = new FaceHandler(this);
//initialize the speech recognition system but DO NOT START IT
voiceRecognizer = new VoiceHandler(this);
faceRecognizer.Start();
}
private string VideoCapture(Collection <EncoderDevice> Vdevices)
{
// Starts new job for preview window
LiveJob _job = new LiveJob();
// Create a new device source. We use the first audio and video devices on the system
LiveDeviceSource _deviceSource = _job.AddDeviceSource(Vdevices[0], null);
// Make this source the active one
_job.ActivateSource(_deviceSource);
FileArchivePublishFormat fileOut = new FileArchivePublishFormat();
// Sets file path and name
string path = Environment.GetFolderPath(Environment.SpecialFolder.MyPictures);
string output = String.Format(@"{0}\Constellation{1:yyyyMMdd_hhmmss}", path, DateTime.Now);
fileOut.OutputFileName = string.Format("{0}.wmv", output);
// Adds the format to the job. You can add additional formats
// as well such as Publishing streams or broadcasting from a port
_job.PublishFormats.Add(fileOut);
// Starts encoding
_job.StartEncoding();
Thread.Sleep(3000);
_job.StopEncoding();
_job.RemoveDeviceSource(_deviceSource);
return(output);
}
public string StartRecording(string path, string name)
{
job = new LiveJob();
dvs = job.AddDeviceSource(null, audioEncoder);
job.ActivateSource(dvs);
WindowsMediaOutputFormat outputFormat = new WindowsMediaOutputFormat()
{
AudioProfile = new WmaAudioProfile()
};
job.OutputFormat = outputFormat;
string currentRecordingPath = Path.Combine(path, name);
FileArchivePublishFormat fileOut = new FileArchivePublishFormat();
fileOut.OutputFileName = currentRecordingPath;
job.PublishFormats.Add(fileOut);
job.StartEncoding();
IsRecording = true;
return currentRecordingPath;
}
private void btnPreview_Click(object sender, EventArgs e)
{
EncoderDevice video = null;
EncoderDevice audio = null;
GetSelectedVideoAndAudioDevices(out video, out audio);
StopJob();
if (video == null)
{
return;
}
// Starts new job for preview window
_job = new LiveJob();
// Checks for a/v devices
if (video != null && audio != null)
{
// Create a new device source. We use the first audio and video devices on the system
_deviceSource = _job.AddDeviceSource(video, audio);
// Is it required to show the configuration dialogs ?
if(1==2)
{
// Yes
// VFW video device ?
if (lstVideoDevices.SelectedItem.ToString().EndsWith("(VFW)", StringComparison.OrdinalIgnoreCase))
{
// Yes
if (_deviceSource.IsDialogSupported(ConfigurationDialog.VfwFormatDialog))
{
_deviceSource.ShowConfigurationDialog(ConfigurationDialog.VfwFormatDialog, (new HandleRef(panelVideoPreview, panelVideoPreview.Handle)));
}
if (_deviceSource.IsDialogSupported(ConfigurationDialog.VfwSourceDialog))
{
_deviceSource.ShowConfigurationDialog(ConfigurationDialog.VfwSourceDialog, (new HandleRef(panelVideoPreview, panelVideoPreview.Handle)));
}
if (_deviceSource.IsDialogSupported(ConfigurationDialog.VfwDisplayDialog))
{
_deviceSource.ShowConfigurationDialog(ConfigurationDialog.VfwDisplayDialog, (new HandleRef(panelVideoPreview, panelVideoPreview.Handle)));
}
}
else
{
// No
if (_deviceSource.IsDialogSupported(ConfigurationDialog.VideoCapturePinDialog))
{
_deviceSource.ShowConfigurationDialog(ConfigurationDialog.VideoCapturePinDialog, (new HandleRef(panelVideoPreview, panelVideoPreview.Handle)));
}
if (_deviceSource.IsDialogSupported(ConfigurationDialog.VideoCaptureDialog))
{
_deviceSource.ShowConfigurationDialog(ConfigurationDialog.VideoCaptureDialog, (new HandleRef(panelVideoPreview, panelVideoPreview.Handle)));
}
if (_deviceSource.IsDialogSupported(ConfigurationDialog.VideoCrossbarDialog))
{
_deviceSource.ShowConfigurationDialog(ConfigurationDialog.VideoCrossbarDialog, (new HandleRef(panelVideoPreview, panelVideoPreview.Handle)));
}
if (_deviceSource.IsDialogSupported(ConfigurationDialog.VideoPreviewPinDialog))
{
_deviceSource.ShowConfigurationDialog(ConfigurationDialog.VideoPreviewPinDialog, (new HandleRef(panelVideoPreview, panelVideoPreview.Handle)));
}
if (_deviceSource.IsDialogSupported(ConfigurationDialog.VideoSecondCrossbarDialog))
{
_deviceSource.ShowConfigurationDialog(ConfigurationDialog.VideoSecondCrossbarDialog, (new HandleRef(panelVideoPreview, panelVideoPreview.Handle)));
}
}
}
else
{
// No
// Setup the video resolution and frame rate of the video device
// NOTE: Of course, the resolution and frame rate you specify must be supported by the device!
// NOTE2: May be not all video devices support this call, and so it just doesn't work, as if you don't call it (no error is raised)
// NOTE3: As a workaround, if the .PickBestVideoFormat method doesn't work, you could force the resolution in the
// following instructions (called few lines belows): 'panelVideoPreview.Size=' and '_job.OutputFormat.VideoProfile.Size='
// to be the one you choosed (640, 480).
_deviceSource.PickBestVideoFormat(new Size(640, 480), 15);
}
// Get the properties of the device video
SourceProperties sp = _deviceSource.SourcePropertiesSnapshot();
// Resize the preview panel to match the video device resolution set
panelVideoPreview.Size = new Size(sp.Size.Width, sp.Size.Height);
// Setup the output video resolution file as the preview
_job.OutputFormat.VideoProfile.Size = new Size(sp.Size.Width, sp.Size.Height);
// Display the video device properties set
toolStripStatusLabel1.Text = sp.Size.Width.ToString() + "x" + sp.Size.Height.ToString() + " " + sp.FrameRate.ToString() + " fps";
// Sets preview window to winform panel hosted by xaml window
_deviceSource.PreviewWindow = new PreviewWindow(new HandleRef(panelVideoPreview, panelVideoPreview.Handle));
// Make this source the active one
_job.ActivateSource(_deviceSource);
btnGrabImage.Enabled = true;
toolStripStatusLabel1.Text = "Preview activated";
}
else
{
// Gives error message as no audio and/or video devices found
MessageBox.Show("No Video/Audio capture devices have been found.", "Warning");
toolStripStatusLabel1.Text = "No Video/Audio capture devices have been found.";
}
}
private void mediaPlay()
{
_mediaJob = new LiveJob();
_mediaDeviceSource = _mediaJob.AddDeviceSource(video, audio);
_mediaDeviceSource.PickBestVideoFormat(new Size(640, 480), 15);
_mediaDeviceSource.PreviewWindow = new PreviewWindow(new System.Runtime.InteropServices.HandleRef(videoPanel, videoPanel.Handle));
_mediaJob.ActivateSource(_mediaDeviceSource);
}
public bool StartWebcam()
{
if (SelectedVideoDevice == null) return false;
LiveJob = null;
LiveJob = new LiveJob();
LiveDeviceSource = LiveJob.AddDeviceSource(SelectedVideoDevice, null);
System.Drawing.Size framesize = new System.Drawing.Size(1280, 960);
LiveDeviceSource.PickBestVideoFormat(framesize, 30);
LiveJob.OutputFormat.VideoProfile.Size = framesize;
LiveJob.OutputFormat.VideoProfile.Bitrate = new ConstantBitrate(2000);
LiveJob.ActivateSource(LiveDeviceSource);
isConnected = true;
return true;
}
public void StartCam()
{
try
{
// Start the video stream
videojob = new LiveJob();
// Create a new device source. We use the first audio and video devices on the system
videosource = videojob.AddDeviceSource(currentcam, null);
// Sets preview window to winform panel
videosource.PreviewWindow = new PreviewWindow(new HandleRef(pnlVideoPreview, pnlVideoPreview.Handle));
// Activate the source and start
videojob.ActivateSource(videosource);
}
catch { }
}
private void viewVideoBtn_Click(object sender, EventArgs e)
{
EncoderDevice video = null;
EncoderDevice audio = null;
try
{
GetSelectedVideoAndAudioDevices(out video, out audio);
StopJob();
if(video == null)
{
return;
}
// Starts new job for preview window
_job = new LiveJob();
// Checks for a/v devices
if(video != null && audio != null)
{
// Create a new device source. We use the first audio and video devices on the system
_deviceSource = _job.AddDeviceSource(video, audio);
_deviceSource.PickBestVideoFormat(new Size(verticalRes, horizontalRes), framRate);
// Get the properties of the device video
SourceProperties sp = _deviceSource.SourcePropertiesSnapshot();
// Resize the preview panel to match the video device resolution set
panelVideoPreview.Size = new Size(sp.Size.Width, sp.Size.Height);
// Setup the output video resolution file as the preview
_job.OutputFormat.VideoProfile.Size = new Size(sp.Size.Width, sp.Size.Height);
// Display the video device properties set
//toolStripStatusLabel1.Text = sp.Size.Width.ToString() + "x" + sp.Size.Height.ToString() + " " + sp.FrameRate.ToString() + " fps";
// Sets preview window to winform panel hosted by xaml window
_deviceSource.PreviewWindow = new PreviewWindow(new HandleRef(panelVideoPreview, panelVideoPreview.Handle));
// Make this source the active one
_job.ActivateSource(_deviceSource);
//btnStartStopRecording.Enabled = true;
//btnGrabImage.Enabled = true;
debugText = "Preview activated";
}
else
{
// Gives error message as no audio and/or video devices found
MessageBox.Show("No Video/Audio capture devices have been found.", "Warning");
debugText = "No Video/Audio capture devices have been found.";
}
}
catch(Exception error)
{
debugText = error.Message;
this.Invoke(new EventHandler(DisplayText));
}
}
public void StartCapture()
{
if (!IsCapturing)
{
job = new LiveJob();
dvs = job.AddDeviceSource(SelectedVideoDevice, SelectedAudioDevice);
job.ActivateSource(dvs);
job.ApplyPreset(LivePresets.VC1HighSpeedBroadband4x3);
double epoch = GetUnixEpoch(DateTime.UtcNow);
string timestamp = epoch.ToString();
VideoFileName = string.Format(VIDEO_FILE, timestamp);
FileArchivePublishFormat fileOut = new FileArchivePublishFormat();
fileOut.OutputFileName = Path.Combine(FileLocationUtility.GetVideoFolderLoctation(), VideoFileName);
job.PublishFormats.Add(fileOut);
job.StartEncoding();
started = DateTime.UtcNow;
IsCapturing = true;
}
}
private void btnPreview_Click(object sender, EventArgs e)
{
EncoderDevice video = null;
EncoderDevice audio = null;
GetSelectedVideoAndAudioDevices(out video, out audio);
StopJob();
if (video == null)
{
return;
}
// Starts new job for preview window
_job = new LiveJob();
// Checks for a/v devices
if (video != null && audio != null)
{
// Create a new device source. We use the first audio and video devices on the system
_deviceSource = _job.AddDeviceSource(video, audio);
// Is it required to show the configuration dialogs ?
if (checkBoxShowConfigDialog.Checked)
{
// Yes
// VFW video device ?
if (lstVideoDevices.SelectedItem.ToString().EndsWith("(VFW)", StringComparison.OrdinalIgnoreCase))
{
// Yes
if (_deviceSource.IsDialogSupported(ConfigurationDialog.VfwFormatDialog))
{
_deviceSource.ShowConfigurationDialog(ConfigurationDialog.VfwFormatDialog, (new HandleRef(panelVideoPreview, panelVideoPreview.Handle)));
}
if (_deviceSource.IsDialogSupported(ConfigurationDialog.VfwSourceDialog))
{
_deviceSource.ShowConfigurationDialog(ConfigurationDialog.VfwSourceDialog, (new HandleRef(panelVideoPreview, panelVideoPreview.Handle)));
}
if (_deviceSource.IsDialogSupported(ConfigurationDialog.VfwDisplayDialog))
{
_deviceSource.ShowConfigurationDialog(ConfigurationDialog.VfwDisplayDialog, (new HandleRef(panelVideoPreview, panelVideoPreview.Handle)));
}
}
else
{
// No
if (_deviceSource.IsDialogSupported(ConfigurationDialog.VideoCapturePinDialog))
{
_deviceSource.ShowConfigurationDialog(ConfigurationDialog.VideoCapturePinDialog, (new HandleRef(panelVideoPreview, panelVideoPreview.Handle)));
}
if (_deviceSource.IsDialogSupported(ConfigurationDialog.VideoCaptureDialog))
{
_deviceSource.ShowConfigurationDialog(ConfigurationDialog.VideoCaptureDialog, (new HandleRef(panelVideoPreview, panelVideoPreview.Handle)));
}
if (_deviceSource.IsDialogSupported(ConfigurationDialog.VideoCrossbarDialog))
{
_deviceSource.ShowConfigurationDialog(ConfigurationDialog.VideoCrossbarDialog, (new HandleRef(panelVideoPreview, panelVideoPreview.Handle)));
}
if (_deviceSource.IsDialogSupported(ConfigurationDialog.VideoPreviewPinDialog))
{
_deviceSource.ShowConfigurationDialog(ConfigurationDialog.VideoPreviewPinDialog, (new HandleRef(panelVideoPreview, panelVideoPreview.Handle)));
}
if (_deviceSource.IsDialogSupported(ConfigurationDialog.VideoSecondCrossbarDialog))
{
_deviceSource.ShowConfigurationDialog(ConfigurationDialog.VideoSecondCrossbarDialog, (new HandleRef(panelVideoPreview, panelVideoPreview.Handle)));
}
}
}
else
{
// No
// Setup the video resolution and frame rate of the video device
// NOTE: Of course, the resolution and frame rate you specify must be supported by the device!
// NOTE2: May be not all video devices support this call, and so it just doesn't work, as if you don't call it (no error is raised)
// NOTE3: As a workaround, if the .PickBestVideoFormat method doesn't work, you could force the resolution in the
// following instructions (called few lines belows): 'panelVideoPreview.Size=' and '_job.OutputFormat.VideoProfile.Size='
// to be the one you choosed (640, 480).
//xyz
_deviceSource.PickBestVideoFormat(new Size(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height), 15);
}
// Get the properties of the device video
SourceProperties sp = _deviceSource.SourcePropertiesSnapshot();
// Resize the preview panel to match the video device resolution set
panelVideoPreview.Size = new Size(sp.Size.Width, sp.Size.Height);
// Setup the output video resolution file as the preview
_job.OutputFormat.VideoProfile.Size = new Size(sp.Size.Width, sp.Size.Height);
// Display the video device properties set
toolStripStatusLabel1.Text = sp.Size.Width.ToString() + "x" + sp.Size.Height.ToString() + " " + sp.FrameRate.ToString() + " fps";
// Sets preview window to winform panel hosted by xaml window
_deviceSource.PreviewWindow = new PreviewWindow(new HandleRef(panelVideoPreview, panelVideoPreview.Handle));
// Make this source the active one
_job.ActivateSource(_deviceSource);
btnStartStopRecording.Enabled = true;
btnGrabImage.Enabled = true;
toolStripStatusLabel1.Text = "Preview activated";
}
else
{
// Gives error message as no audio and/or video devices found
MessageBox.Show("No Video/Audio capture devices have been found.", "Warning");
toolStripStatusLabel1.Text = "No Video/Audio capture devices have been found.";
}
}
/// <summary>
/// Start the webcam. Create the liveJob and set the activate source (audio and video)
/// </summary>
/// <returns>Return false if the webcam cannot start</returns>
public bool StartWebcam()
{
if (SelectedVideoDevice == null || SelectedAudioDevice == null) return false;
LiveJob = null;
LiveJob = new LiveJob();
LiveDeviceSource = LiveJob.AddDeviceSource(SelectedVideoDevice, SelectedAudioDevice);
LiveJob.ActivateSource(LiveDeviceSource);
return true;
}