public VoiceChannelStatusViewModel(Models.DiscordContext discordContext, Models.AudioPlaybackManager audioManager, INavigationService navService)
{
DiscordContext = discordContext;
AudioManager = audioManager;
NavigationService = navService;
IsSpeakerMute_Internal = AudioManager.ToReactivePropertyAsSynchronized(x => x.IsSpeakerMute);
IsMicMute_Internal = AudioManager.ToReactivePropertyAsSynchronized(x => x.IsMicMute);
IsSpeakerMute = IsSpeakerMute_Internal
.ToReadOnlyReactiveProperty();
// リアルスピーカーミュートまたは内部マイクミュートの場合、
// リアルマイクミュートがオンになる
IsMicMute = Observable.CombineLatest(
IsSpeakerMute,
IsMicMute_Internal
)
.Select(x => x.Any(y => y))
.ToReadOnlyReactiveProperty();
IsConnectVoiceChannel = DiscordContext
.ObserveProperty(x => x.CurrentVoiceChannel)
.Select(x => x != null)
.ToReadOnlyReactiveProperty();
CurrentVoiceChannelName = DiscordContext
.ObserveProperty(x => x.CurrentVoiceChannel)
.Select(x => x?.Name ?? "")
.ToReadOnlyReactiveProperty();
CurrentServerName = DiscordContext
.ObserveProperty(x => x.CurrentVoiceChannel)
.Select(x => x?.Guild.Name ?? "")
.ToReadOnlyReactiveProperty();
InputDeviceState = AudioManager.ObserveProperty(x => x.InputDeviceState)
.ToReadOnlyReactiveProperty();
HasMicError = InputDeviceState
.Select(x => x != Models.InputDeviceState.Avairable)
.ToReadOnlyReactiveProperty();
}
private (LocalVideoSourceCapability[] caps, InputDeviceState state) GetCapabilities(DsDevice device)
{
if (_initialLogging)
{
Log.Information($"Caps {device.Name}: getting");
}
var list = new List <LocalVideoSourceCapability>();
IntPtr pCaps = IntPtr.Zero;
IFilterGraph2 filterGraph2 = null;
IBaseFilter sourceFilter = null;
IAMStreamConfig streamConfig = null;
object pin = null;
InputDeviceState state = InputDeviceState.Ready;
try
{
filterGraph2 = new FilterGraph() as IFilterGraph2;
if (filterGraph2 == null)
{
throw new NotSupportedException("filter2 is null");
}
LocalVideoSourceManager.AddCaptureFilter(filterGraph2, device, out sourceFilter);
pin = DsFindPin.ByCategory(sourceFilter, PinCategory.Capture, 0);
if (pin == null)
{
pin = sourceFilter;
}
streamConfig = pin as IAMStreamConfig;
if (streamConfig == null)
{
throw new NotSupportedException("pin is null");
}
int count = 0;
int size = 0;
Checked(() => streamConfig.GetNumberOfCapabilities(out count, out size), "GetNumberOfCapabilities", null);
if (count <= 0)
{
throw new NotSupportedException("This video source does not report capabilities.");
}
if (size != Marshal.SizeOf(typeof(VideoStreamConfigCaps)))
{
throw new NotSupportedException("Unable to retrieve video source capabilities. This video source requires a larger VideoStreamConfigCaps structure.");
}
// Alloc memory for structure
pCaps = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(VideoStreamConfigCaps)));
for (int i = 0; i < count; i++)
{
AMMediaType mediaType = null;
Checked(() => streamConfig.GetStreamCaps(i, out mediaType, pCaps), "GetStreamCaps", null);
VideoStreamConfigCaps caps = (VideoStreamConfigCaps)Marshal.PtrToStructure(pCaps, typeof(VideoStreamConfigCaps));
var format = GetMediaTypeInfo(mediaType, out var height, out var width, out var compression, out var videoInfoHeader, out var videoInfoHeader2);
var result = new LocalVideoSourceCapability()
{
MaxF = GetFps(caps.MinFrameInterval),
MinF = GetFps(caps.MaxFrameInterval),
Fmt = format,
W = width,
H = height,
};
list.Add(result);
}
}
catch (UnauthorizedAccessException e)
{
Log.Warning(e, $"Error during retreiving caps for '{device.Name}' (Locked)");
state = InputDeviceState.Locked;
}
catch (Exception e)
{
Log.Error(e, $"Error during retreiving caps for '{device.Name}'");
state = InputDeviceState.Failed;
}
finally
{
if (pCaps != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(pCaps);
}
}
try
{
ReleaseComObject(sourceFilter);
ReleaseComObject(filterGraph2);
ReleaseComObject(streamConfig);
ReleaseComObject(pin);
}
catch (Exception e)
{
Log.Error(e, $"ReleaseComObject('{device.Name}') failed");
}
if (_initialLogging)
{
Log.Information($"Caps {device.Name}: {string.Join("; ", list.Select(s => s.ToString()))}");
}
return(list.ToArray(), state);
}
private void Input_InputDeviceStateChanged(InputDeviceState obj)
{
InputDeviceState = obj;
}
