/// <summary>
/// Select streams by framerate
/// </summary>
/// <param name="compare">The comparison to use</param>
/// <param name="framerate">The framerate to compare with</param>
/// <returns></returns>
public StreamSelector Select(StreamCompare compare, double framerate)
{
StreamSelector selector = new StreamSelector();
foreach (StreamDescription desc in StreamDescriptions)
{
if (compare == StreamCompare.GreaterThan)
{
if (desc.Resolution.Framerate > framerate)
{
selector.AddStream(desc);
}
}
else if (compare == StreamCompare.LessThan)
{
if (desc.Resolution.Framerate < framerate)
{
selector.AddStream(desc);
}
}
else if (compare == StreamCompare.EqualTo)
{
if (desc.Resolution.Framerate == framerate)
{
selector.AddStream(desc);
}
}
}
return(selector);
}
/// <summary>
/// Select streams by resolution
/// </summary>
/// <param name="compare">The comparison to use</param>
/// <param name="width">The width to compare with</param>
/// <param name="height">The height to compare with</param>
/// <returns></returns>
public StreamSelector Select(StreamCompare compare, int width, int height)
{
StreamSelector selector = new StreamSelector();
foreach (StreamDescription desc in StreamDescriptions)
{
if (compare == StreamCompare.GreaterThan)
{
if (desc.Resolution.Width > width && desc.Resolution.Height > height)
{
selector.AddStream(desc);
}
}
else if (compare == StreamCompare.LessThan)
{
if (desc.Resolution.Width < width && desc.Resolution.Height < height)
{
selector.AddStream(desc);
}
}
else if (compare == StreamCompare.EqualTo)
{
if (desc.Resolution.Width == width && desc.Resolution.Height == height)
{
selector.AddStream(desc);
}
}
}
return(selector);
}
/// <summary>
/// Initializes the camera
/// </summary>
/// <returns></returns>
public async Task Initialize()
{
lock (stateLock)
{
State = CameraState.Initializing;
}
#if CAN_USE_UWP_TYPES
try
{
var frameSourceGroups = await MediaFrameSourceGroup.FindAllAsync();
StreamSelector = new StreamSelector();
foreach (var sourceGroup in frameSourceGroups)
{
string name = sourceGroup.DisplayName;
string id = sourceGroup.Id;
foreach (var sourceInfo in sourceGroup.SourceInfos)
{
switch (CaptureMode)
{
case CaptureMode.Continuous:
case CaptureMode.SingleLowLatency:
{
if ((sourceInfo.MediaStreamType == MediaStreamType.VideoRecord || sourceInfo.MediaStreamType == MediaStreamType.VideoPreview) && sourceInfo.SourceKind == MediaFrameSourceKind.Color)
{
foreach (var setting in sourceInfo.VideoProfileMediaDescription)
{
StreamDescriptionInternal desc = new StreamDescriptionInternal()
{
SourceName = sourceInfo.DeviceInformation.Name,
SourceId = sourceInfo.Id,
Resolution = new CameraResolution()
{
Width = setting.Width, Height = setting.Height, Framerate = setting.FrameRate
},
FrameSourceInfo = sourceInfo,
FrameSourceGroup = sourceGroup,
CameraType = GetCameraType(sourceInfo.SourceKind)
};
StreamSelector.AddStream(desc);
}
}
break;
}
case CaptureMode.Single:
{
if (sourceInfo.MediaStreamType == MediaStreamType.Photo && sourceInfo.SourceKind == MediaFrameSourceKind.Color)
{
foreach (var setting in sourceInfo.VideoProfileMediaDescription)
{
StreamDescriptionInternal desc = new StreamDescriptionInternal()
{
SourceName = sourceInfo.DeviceInformation.Name,
SourceId = sourceInfo.Id,
Resolution = new CameraResolution()
{
Width = setting.Width, Height = setting.Height, Framerate = setting.FrameRate
},
FrameSourceInfo = sourceInfo,
FrameSourceGroup = sourceGroup,
CameraType = GetCameraType(sourceInfo.SourceKind)
};
StreamSelector.AddStream(desc);
}
}
break;
}
}
}
}
lock (stateLock)
{
State = CameraState.Initialized;
OnCameraInitialized?.Invoke(this, true);
}
}
catch
{
OnCameraInitialized?.Invoke(this, false);
}
#else
await Task.CompletedTask;
#endif
}
