/// <summary> /// Check if two video capabilities are equal. /// </summary> /// /// <param name="vc2">Second video capability to compare with.</param> /// /// <returns>Returns true if both video capabilities are equal or false otherwise.</returns> /// public bool Equals(VideoCapabilities vc2) { if ((object)vc2 == null) { return(false); } return((FrameSize == vc2.FrameSize) && (BitCount == vc2.BitCount)); }
// Retrieve capabilities of a video device static internal VideoCapabilities[] FromStreamConfig(IAMStreamConfig videoStreamConfig) { if (videoStreamConfig == null) { throw new ArgumentNullException("videoStreamConfig"); } // ensure this device reports capabilities int count, size; int hr = videoStreamConfig.GetNumberOfCapabilities(out count, out size); if (hr != 0) { Marshal.ThrowExceptionForHR(hr); } if (count <= 0) { throw new NotSupportedException("This video device does not report capabilities."); } if (size > Marshal.SizeOf(typeof(VideoStreamConfigCaps))) { throw new NotSupportedException("Unable to retrieve video device capabilities. This video device requires a larger VideoStreamConfigCaps structure."); } // group capabilities with similar parameters Dictionary <ulong, VideoCapabilities> videocapsList = new Dictionary <ulong, VideoCapabilities>(); for (int i = 0; i < count; i++) { try { VideoCapabilities vc = new VideoCapabilities(videoStreamConfig, i); ulong key = (((uint)vc.AverageFrameRate) << 48) | (((uint)vc.FrameSize.Height) << 32) | (((uint)vc.FrameSize.Width) << 16); if (!videocapsList.ContainsKey(key)) { videocapsList.Add(key, vc); } else { if (vc.BitCount > videocapsList[key].BitCount) { videocapsList[key] = vc; } } } catch { } } VideoCapabilities[] videocaps = new VideoCapabilities[videocapsList.Count]; videocapsList.Values.CopyTo(videocaps, 0); return(videocaps); }