/// <summary>
/// Finds DirectShow audio device from current wsapi audio device to attach to the webcam.
/// </summary>
public static void UpdateAudioDevice()
{
// DISABLING CUSTOM AUDIO DEVICE - if re-enabling, search for this comment
if (Store.Data.Audio.InputSource != null)
{
Store.Data.Audio.InputSource.AudioOffset = Constants.Audio.DELAY_INPUT_NOT_ATTACHED_TO_WEBCAM;
}
return;
if (Store.Data.Webcam.Source == null)
{
return;
}
// Disable the main microphone, we need to attach it to the webcamsource_webcam
Store.Data.Audio.InputSource.Enabled = false;
var foundWebcamAudio = false;
if (Store.Data.Audio.CurrentInputId == Constants.Audio.NO_DEVICE_ID)
{
ObsData wcSettings = new ObsData();
wcSettings.SetBool("use_custom_audio_device", false);
Store.Data.Webcam.Source.Update(wcSettings);
foundWebcamAudio = true;
return;
}
Store.Data.Webcam.Source.GetProperties();
string devenumDir = FX35Helper.Is64BitProcess() ? "devenum 64-bit" : "devenum";
RegistryKey inputDevicesDirectory = Registry.CurrentUser.OpenSubKey("SOFTWARE")?.OpenSubKey("Microsoft")?.OpenSubKey("ActiveMovie")?.OpenSubKey(devenumDir)?.OpenSubKey("{33D9A762-90C8-11D0-BD43-00A0C911CE86}");
if (inputDevicesDirectory == null)
{
foundWebcamAudio = false;
return;
}
string[] subKeyNames = inputDevicesDirectory.GetSubKeyNames();
string directShowDeviceId = null;
foreach (string name in subKeyNames)
{
RegistryKey subkey = inputDevicesDirectory.OpenSubKey(name);
string endpointId = subkey.GetValue("EndpointId")?.ToString();
object waveInId = subkey.GetValue("WaveInId");
if (Store.Data.Audio.CurrentInputId == Constants.Audio.DEFAULT_DEVICE_ID)
{
if (waveInId == null || (int)waveInId != 0)
{
continue;
}
}
else if (endpointId == null || endpointId != Store.Data.Audio.CurrentInputId)
{
continue;
}
string friendlyName = subkey.GetValue("FriendlyName")?.ToString();
if (friendlyName != null)
{
// Direct show adds a colon to the friendly name for the id
directShowDeviceId = $"{friendlyName}:";
break;
}
}
if (directShowDeviceId == null)
{
foundWebcamAudio = false;
return;
}
ObsData wSettings = new ObsData();
wSettings.SetBool("use_custom_audio_device", true);
wSettings.SetString("audio_device_id", directShowDeviceId);
Store.Data.Webcam.Source.Update(wSettings);
foundWebcamAudio = true;
}
private static void InitObs()
{
try
{
Debug.WriteLine("libobs version: " + Obs.GetVersion());
// forward OBS logging messages to debugger
Obs.SetLogHandler((lvl, msg, p) =>
{
Debug.WriteLine(msg);
});
if (!Obs.Startup("en-US"))
{
throw new ApplicationException("Startup failed.");
}
// initialize video
libobs.obs_video_info ovi = new libobs.obs_video_info
{
adapter = 0,
base_width = (uint)MainWidth,
base_height = (uint)MainHeight,
fps_num = 30000,
fps_den = 1001,
graphics_module = "libobs-d3d11",
output_format = libobs.video_format.VIDEO_FORMAT_RGBA,
output_width = (uint)MainWidth,
output_height = (uint)MainHeight,
};
if (!Obs.ResetVideo(ovi))
{
throw new ApplicationException("ResetVideo failed.");
}
// initialize audio
libobs.obs_audio_info avi = new libobs.obs_audio_info
{
samples_per_sec = 44100,
speakers = libobs.speaker_layout.SPEAKERS_STEREO,
//buffer_ms = 1000
};
if (!Obs.ResetAudio(avi))
{
throw new ApplicationException("ResetAudio failed.");
}
// load all plugins and modules
Obs.LoadAllModules();
}
catch (BadImageFormatException exp)
{
MessageBox.Show("Platform target mismatch: "
+ (FX35Helper.Is64BitProcess()
? "Loading 32-bit OBS with 64-bit executable is not supported."
: "Loading 64-bit OBS with 32-bit executable is not supported.")
+ "\n\n" + exp.Message,
"Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Environment.Exit(1);
}
}
private void TestForm_Load(object sender, EventArgs e)
{
if (FX35Helper.Is64BitProcess())
{
Text += " (64-bit)";
}
else
{
Text += " (32-bit)";
}
presentation = new Presentation();
// Bindings
// Scene
SceneListBox.DisplayMember = "Name";
SceneListBox.ValueMember = "Items";
SceneListBox.DataSource = presentation.Scenes;
// Item
ItemListBox.DisplayMember = "Name";
// Source
SourceListBox.DisplayMember = "Name";
SourceListBox.DataSource = presentation.Sources;
presentation.AddScene();
ItemListBox.DataSource = SceneListBox.SelectedValue;
var source = presentation.CreateSource("monitor_capture", "Monitor Capture Source");
presentation.AddSource(source);
var item = presentation.CreateItem(source);
item.Name = "Monitor Capture SceneItem";
presentation.AddItem(item);
presentation.SetScene(SceneListBox.SelectedIndex);
presentation.SetItem(ItemListBox.SelectedIndex);
presentation.SetSource(SourceListBox.SelectedIndex);
HideItemCheckBox.DataBindings.Add(
new Binding("Checked", presentation.SelectedItem, "Visible", false, DataSourceUpdateMode.OnPropertyChanged));
EnableSourceCheckBox.DataBindings.Add(
new Binding("Checked", presentation.SelectedSource, "Enabled", false, DataSourceUpdateMode.OnPropertyChanged));
MuteSourceCheckBox.DataBindings.Add(
new Binding("Checked", presentation.SelectedSource, "Muted", false, DataSourceUpdateMode.OnPropertyChanged));
// setup scene preview panel
previewPanel = new PreviewPanel();
previewPanel.Dock = DockStyle.Fill;
topPanel.Controls.Add(previewPanel);
previewPanel.Show();
previewPanel.SetScene(presentation.SelectedScene);
}