private void cbAudioInputDevice_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (cbAudioInputDevice.SelectedIndex != -1 && e != null && e.AddedItems.Count > 0)
{
AudioInputFormats.Clear();
var deviceItem = VideoCapture1.Audio_CaptureDevices().FirstOrDefault(device => device.Name == e.AddedItems[0].ToString());
if (deviceItem == null)
{
return;
}
var defaultValue = "PCM, 44100 Hz, 16 Bits, 2 Channels";
var defaultValueExists = false;
foreach (string format in deviceItem.Formats)
{
AudioInputFormats.Add(format);
if (defaultValue == format)
{
defaultValueExists = true;
}
}
if (AudioInputFormats.Count > 0)
{
cbAudioInputFormat.SelectedIndex = 0;
if (defaultValueExists)
{
cbAudioInputFormat.SelectedItem = defaultValue;
}
}
AudioInputLines.Clear();
foreach (var line in deviceItem.Lines)
{
AudioInputLines.Add(line);
}
if (AudioInputLines.Count > 0)
{
cbAudioInputLine.SelectedIndex = 0;
}
btAudioInputDeviceSettings.IsEnabled = deviceItem.DialogDefault;
}
}
private void MainWindow_Activated(object sender, EventArgs e)
{
if (_initialized)
{
return;
}
Closing += Window_Closing;
_initialized = true;
CreateEngine();
Title += $" (SDK v{VideoCapture1.SDK_Version()})";
VideoCapture1.Debug_Dir = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "VisioForge");
tmRecording.Elapsed += (senderx, args) => { UpdateRecordingTime(); };
cbOutputFormat.SelectedIndex = 2;
foreach (var device in VideoCapture1.Video_CaptureDevices())
{
VideoInputDevices.Add(device.Name);
}
if (VideoInputDevices.Count > 0)
{
cbVideoInputDevice.SelectedIndex = 0;
}
cbVideoInputDevice_SelectionChanged(null, null);
foreach (var device in VideoCapture1.Audio_CaptureDevices())
{
AudioInputDevices.Add(device.Name);
}
if (AudioInputDevices.Count > 0)
{
cbAudioInputDevice.SelectedIndex = 0;
cbAudioInputDevice_SelectionChanged(null, null);
}
AudioInputLines.Clear();
if (!string.IsNullOrEmpty(cbAudioInputDevice.SelectedItem.ToString()))
{
var deviceItem =
VideoCapture1.Audio_CaptureDevices().FirstOrDefault(device => device.Name == cbAudioInputDevice.SelectedItem.ToString());
if (deviceItem != null)
{
foreach (var line in deviceItem.Lines)
{
AudioInputLines.Add(line);
}
if (AudioInputLines.Count > 0)
{
cbAudioInputLine.SelectedIndex = 0;
}
}
}
string defaultAudioRenderer = string.Empty;
foreach (string audioOutputDevice in VideoCapture1.Audio_OutputDevices())
{
AudioOutputDevices.Add(audioOutputDevice);
if (audioOutputDevice.Contains("Default DirectSound Device"))
{
defaultAudioRenderer = audioOutputDevice;
}
}
if (AudioOutputDevices.Count > 0)
{
if (string.IsNullOrEmpty(defaultAudioRenderer))
{
cbAudioOutputDevice.SelectedIndex = 0;
}
else
{
cbAudioOutputDevice.SelectedItem = defaultAudioRenderer;
}
}
edOutput.Text = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "VisioForge", "output.mp4");
}
