public void RefreshVideoProfiles(VideoCaptureDeviceInfo item, VideoProfileKind kind)
{
var videoProfiles = new CollectionViewModel <MediaCaptureVideoProfile>();
if (item != null)
{
IReadOnlyList <MediaCaptureVideoProfile> profiles;
if (kind == VideoProfileKind.Unspecified)
{
profiles = MediaCapture.FindAllVideoProfiles(item.Id);
}
else
{
int index = (int)kind;
profiles = MediaCapture.FindKnownVideoProfiles(item.Id, (KnownVideoProfile)index);
}
foreach (var profile in profiles)
{
videoProfiles.Add(profile);
}
}
VideoProfiles = videoProfiles;
// Select first item for convenience
VideoProfiles.SelectFirstItemIfAny();
}
public async Task RefreshVideoCaptureFormatsAsync(VideoCaptureDeviceInfo item)
{
var formats = new CollectionViewModel <VideoCaptureFormatViewModel>();
if (item != null)
{
IReadOnlyList <VideoCaptureFormat> formatsList;
string profileId = VideoProfiles.SelectedItem?.uniqueId;
if (string.IsNullOrEmpty(profileId))
{
// Device doesn't support video profiles; fall back on flat list of capture formats.
formatsList = await DeviceVideoTrackSource.GetCaptureFormatsAsync(item.Id);
}
else
{
// Enumerate formats for the specified profile only
formatsList = await DeviceVideoTrackSource.GetCaptureFormatsAsync(item.Id, profileId);
}
foreach (var format in formatsList)
{
formats.Add(new VideoCaptureFormatViewModel
{
Format = format,
FormatEncodingDisplayName = FourCCToString(format.fourcc)
});
}
}
VideoCaptureFormats = formats;
// Select first item for convenience
VideoCaptureFormats.SelectFirstItemIfAny();
}
public void RefreshVideoProfiles(VideoCaptureDeviceInfo item, VideoProfileKind kind)
{
var videoProfiles = new CollectionViewModel <MediaCaptureVideoProfile>();
if (item != null)
{
IReadOnlyList <MediaCaptureVideoProfile> profiles;
if (kind == VideoProfileKind.Unspecified)
{
profiles = MediaCapture.FindAllVideoProfiles(item.Id);
}
else
{
// VideoProfileKind and KnownVideoProfile are the same with the exception of
// `Unspecified` that takes value 0.
var profile = (KnownVideoProfile)((int)kind - 1);
profiles = MediaCapture.FindKnownVideoProfiles(item.Id, profile);
}
foreach (var profile in profiles)
{
videoProfiles.Add(profile);
}
}
VideoProfiles = videoProfiles;
// Select first item for convenience
VideoProfiles.SelectFirstItemIfAny();
}
public async Task AddVideoTrackFromDeviceAsync(string trackName)
{
await RequestMediaAccessAsync(StreamingCaptureMode.Video);
// Create the source
VideoCaptureDeviceInfo deviceInfo = VideoCaptureDevices.SelectedItem;
if (deviceInfo == null)
{
throw new InvalidOperationException("No video capture device selected");
}
var deviceConfig = new LocalVideoDeviceInitConfig
{
videoDevice = new VideoCaptureDevice {
id = deviceInfo.Id
},
};
VideoCaptureFormatViewModel formatInfo = VideoCaptureFormats.SelectedItem;
if (formatInfo != null)
{
deviceConfig.width = formatInfo.Format.width;
deviceConfig.height = formatInfo.Format.height;
deviceConfig.framerate = formatInfo.Format.framerate;
}
if (deviceInfo.SupportsVideoProfiles)
{
MediaCaptureVideoProfile profile = VideoProfiles.SelectedItem;
deviceConfig.videoProfileId = profile?.Id;
deviceConfig.videoProfileKind = SelectedVideoProfileKind;
}
var source = await DeviceVideoTrackSource.CreateAsync(deviceConfig);
// FIXME - this leaks the source, never disposed
// Crate the track
var trackConfig = new LocalVideoTrackInitConfig
{
trackName = trackName,
};
var track = LocalVideoTrack.CreateFromSource(source, trackConfig);
// FIXME - this probably leaks the track, never disposed
SessionModel.Current.VideoTracks.Add(new VideoTrackViewModel
{
Source = source,
Track = track,
TrackImpl = track,
IsRemote = false,
DeviceName = deviceInfo.DisplayName
});
SessionModel.Current.LocalTracks.Add(new TrackViewModel(Symbol.Video)
{
DisplayName = deviceInfo.DisplayName
});
}
public async void RefreshVideoProfiles(VideoCaptureDeviceInfo item, VideoProfileKind kind)
{
// Clear formats, which are profile-dependent. This ensures the former list doesn't
// stay visible if the current profile kind is not supported (does not return any profile).
VideoCaptureFormats.Clear();
var videoProfiles = new CollectionViewModel <VideoProfile>();
if (item != null)
{
IReadOnlyList <VideoProfile> profiles = await DeviceVideoTrackSource.GetCaptureProfilesAsync(item.Id, kind);
foreach (var profile in profiles)
{
videoProfiles.Add(profile);
}
}
VideoProfiles = videoProfiles;
// Select first item for convenience
VideoProfiles.SelectFirstItemIfAny();
}
public async Task AddVideoTrackFromDeviceAsync(string trackName)
{
await RequestMediaAccessAsync(StreamingCaptureMode.Video);
VideoCaptureDeviceInfo deviceInfo = VideoCaptureDevices.SelectedItem;
if (deviceInfo == null)
{
throw new InvalidOperationException("No video capture device selected");
}
var settings = new LocalVideoTrackSettings
{
trackName = trackName,
videoDevice = new VideoCaptureDevice {
id = deviceInfo.Id
},
};
VideoCaptureFormatViewModel formatInfo = VideoCaptureFormats.SelectedItem;
if (formatInfo != null)
{
settings.width = formatInfo.Format.width;
settings.height = formatInfo.Format.height;
settings.framerate = formatInfo.Format.framerate;
}
var track = await LocalVideoTrack.CreateFromDeviceAsync(settings);
SessionModel.Current.VideoTracks.Add(new VideoTrackViewModel
{
Track = track,
TrackImpl = track,
IsRemote = false,
DeviceName = deviceInfo.DisplayName
});
SessionModel.Current.LocalTracks.Add(new TrackViewModel(Symbol.Video)
{
DisplayName = deviceInfo.DisplayName
});
}
public async Task RefreshVideoCaptureFormatsAsync(VideoCaptureDeviceInfo item)
{
var formats = new CollectionViewModel <VideoCaptureFormatViewModel>();
if (item != null)
{
if (MediaCapture.IsVideoProfileSupported(item.Id))
{
foreach (var desc in VideoProfiles.SelectedItem?.SupportedRecordMediaDescription)
{
var formatVM = new VideoCaptureFormatViewModel();
formatVM.Format.width = desc.Width;
formatVM.Format.height = desc.Height;
formatVM.Format.framerate = desc.FrameRate;
//formatVM.Format.fourcc = desc.Subtype; // TODO: string => FOURCC
formatVM.FormatEncodingDisplayName = desc.Subtype;
formats.Add(formatVM);
}
}
else
{
// Device doesn't support video profiles; fall back on flat list of capture formats.
List <VideoCaptureFormat> formatsList = await PeerConnection.GetVideoCaptureFormatsAsync(item.Id);
foreach (var format in formatsList)
{
formats.Add(new VideoCaptureFormatViewModel
{
Format = format,
FormatEncodingDisplayName = FourCCToString(format.fourcc)
});
}
}
}
VideoCaptureFormats = formats;
// Select first item for convenience
VideoCaptureFormats.SelectFirstItemIfAny();
}
