// Call before Exit to free Resources
public void Dispose()
{
HotKeyManager.Dispose();
SystemTrayManager.Dispose();
AudioViewModel.Dispose();
Settings.Save();
}
public MainViewModel()
{
_timer = new Timer(1000);
_timer.Elapsed += TimerOnElapsed;
#region Commands
ScreenShotCommand = new DelegateCommand(CaptureScreenShot, () => _canScreenShot);
RecordCommand = new DelegateCommand(() =>
{
if (ReadyToRecord)
{
StartRecording();
}
else
{
StopRecording();
}
}, () => _canRecord);
RefreshCommand = new DelegateCommand(() =>
{
VideoViewModel.RefreshVideoSources();
VideoViewModel.RefreshCodecs();
AudioViewModel.RefreshAudioSources();
Status = $"{VideoViewModel.AvailableCodecs.Count} Encoder(s) and " +
$"{AudioViewModel.AvailableRecordingSources.Count + AudioViewModel.AvailableLoopbackSources.Count - 2} AudioDevice(s) found";
});
OpenOutputFolderCommand = new DelegateCommand(() => Process.Start("explorer.exe", OutPath));
PauseCommand = new DelegateCommand(() =>
{
if (IsPaused)
{
_recorder.Start();
_timer.Start();
IsPaused = false;
Status = "Recording...";
}
else
{
_recorder.Pause();
_timer.Stop();
IsPaused = true;
Status = "Paused";
}
}, () => !ReadyToRecord && _recorder != null);
SelectOutputFolderCommand = new DelegateCommand(() =>
{
var dlg = new FolderBrowserDialog
{
SelectedPath = OutPath,
Description = "Select Output Folder"
};
if (dlg.ShowDialog() != DialogResult.OK)
{
return;
}
OutPath = dlg.SelectedPath;
Settings.Default.OutputPath = dlg.SelectedPath;
Settings.Default.Save();
});
#endregion
//Populate Available Codecs, Audio and Video Sources ComboBoxes
RefreshCommand.Execute(null);
AudioViewModel.PropertyChanged += (Sender, Args) =>
{
if (Args.PropertyName == nameof(AudioViewModel.SelectedRecordingSource) ||
Args.PropertyName == nameof(AudioViewModel.SelectedLoopbackSource))
{
CheckFunctionalityAvailability();
}
};
VideoViewModel.PropertyChanged += (Sender, Args) =>
{
if (Args.PropertyName == nameof(VideoViewModel.SelectedVideoSource))
{
CheckFunctionalityAvailability();
}
};
_cursor = new MouseCursor(OthersViewModel.Cursor);
OthersViewModel.PropertyChanged += (Sender, Args) =>
{
switch (Args.PropertyName)
{
case nameof(OthersViewModel.RegionSelectorVisible):
VideoViewModel.RefreshVideoSources();
break;
case nameof(OthersViewModel.Cursor):
_cursor.Include = OthersViewModel.Cursor;
break;
}
};
// If Output Dircetory is not set. Set it to Documents\Captura\
if (string.IsNullOrWhiteSpace(OutPath))
{
OutPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "Captura\\");
}
// Create the Output Directory if it does not exist
if (!Directory.Exists(OutPath))
{
Directory.CreateDirectory(OutPath);
}
Settings.Default.OutputPath = OutPath;
Settings.Default.Save();
}
void StartRecording()
{
var duration = OthersViewModel.Duration;
var delay = OthersViewModel.StartDelay;
if (duration != 0 && (delay * 1000 > duration))
{
Status = "Delay cannot be greater than Duration";
SystemSounds.Asterisk.Play();
return;
}
if (OthersViewModel.MinimizeOnStart)
{
WindowState = WindowState.Minimized;
}
ReadyToRecord = false;
var noVideo = VideoViewModel.SelectedVideoSourceKind == VideoSourceKind.NoVideo;
var extension = noVideo
//? (AudioViewModel.Encode && AudioViewModel.SelectedAudioSource is WaveInDevice ? ".mp3" : ".wav")
? ".wav"
: (VideoViewModel.SelectedCodec.Name == "Gif" ? ".gif" : ".avi");
_currentFileName = Path.Combine(OutPath, DateTime.Now.ToString("yyyy-MM-dd-HH-mm-ss") + extension);
Status = delay > 0 ? $"Recording from t = {delay} ms..." : "Recording...";
_timer.Stop();
TimeSpan = TimeSpan.Zero;
var audioSource = AudioViewModel.GetAudioSource();
var imgProvider = GetImageProvider();
var videoEncoder = GetVideoFileWriter(imgProvider);
if (_recorder == null)
{
if (noVideo)
{
_recorder = new AudioRecorder(audioSource, AudioViewModel.GetAudioFileWriter(_currentFileName, audioSource.WaveFormat));
}
else
{
_recorder = new Recorder(videoEncoder, imgProvider, VideoViewModel.FrameRate, audioSource);
}
}
_recorder.RecordingStopped += (s, E) =>
{
OnStopped();
if (E?.Error == null)
{
return;
}
Status = "Error";
MessageBox.Show(E.ToString());
};
RecentViewModel.Add(_currentFileName, videoEncoder == null ? RecentItemType.Audio : RecentItemType.Video);
_recorder.Start(delay);
_timer.Start();
}