/// <summary> /// Verifies that the streams selected for playback exist in the file and are capable of being played on the service /// </summary> /// <param name="client">KStudioClient which is connected to the Kinect service</param> /// <param name="filePath">Path to file that will be played back</param> /// <param name="playbackStreams">Collection of streams which have been selected for playback</param> private static void VerifyStreamsForPlayback(KStudioClient client, string filePath, IEnumerable <Guid> playbackStreams) { if (client == null) { throw new ArgumentNullException("client"); } if (!client.IsServiceConnected) { throw new InvalidOperationException(Strings.ErrorNotConnected); } if (string.IsNullOrEmpty(filePath)) { throw new ArgumentNullException("filePath"); } if (playbackStreams == null) { throw new ArgumentNullException("playbackStreams"); } // verify stream exists in the file using (KStudioEventFile file = client.OpenEventFile(filePath)) { HashSet <Guid> fileStreams = new HashSet <Guid>(); foreach (KStudioEventStream stream in file.EventStreams) { fileStreams.Add(stream.DataTypeId); } if (!fileStreams.IsSupersetOf(playbackStreams)) { Guid invalidStream = playbackStreams.First(x => !fileStreams.Contains(x)); throw new InvalidOperationException(string.Format(Strings.ErrorPlaybackStreamNotInFile, StreamSupport.ConvertStreamGuidToString(invalidStream))); } } // verify stream is supported for playback by the Kinect sensor foreach (Guid stream in playbackStreams) { KStudioEventStream eventStream = client.GetEventStream(stream, KStudioEventStreamSemanticIds.KinectDefaultSensorConsumer); if (!eventStream.IsPlaybackable) { throw new InvalidOperationException(string.Format(Strings.ErrorPlaybackStreamNotSupported, StreamSupport.ConvertStreamGuidToString(stream))); } } }
/// <summary> /// Verifies that the streams selected for playback exist in the file and are capable of being played on the service /// </summary> /// <param name="client">KStudioClient which is connected to the Kinect service</param> /// <param name="filePath">Path to file that will be played back</param> /// <param name="playbackStreams">Collection of streams which have been selected for playback</param> private static void VerifyStreamsForPlayback(KStudioClient client, string filePath, IEnumerable<Guid> playbackStreams) { if (client == null) { throw new ArgumentNullException("client"); } if (!client.IsServiceConnected) { throw new InvalidOperationException(Strings.ErrorNotConnected); } if (string.IsNullOrEmpty(filePath)) { throw new ArgumentNullException("filePath"); } if (playbackStreams == null) { throw new ArgumentNullException("playbackStreams"); } // verify stream exists in the file using (KStudioEventFile file = client.OpenEventFile(filePath)) { HashSet<Guid> fileStreams = new HashSet<Guid>(); foreach (KStudioEventStream stream in file.EventStreams) { fileStreams.Add(stream.DataTypeId); } if (!fileStreams.IsSupersetOf(playbackStreams)) { Guid invalidStream = playbackStreams.First(x => !fileStreams.Contains(x)); throw new InvalidOperationException(string.Format(Strings.ErrorPlaybackStreamNotInFile, StreamSupport.ConvertStreamGuidToString(invalidStream))); } } // verify stream is supported for playback by the Kinect sensor foreach (Guid stream in playbackStreams) { KStudioEventStream eventStream = client.GetEventStream(stream, KStudioEventStreamSemanticIds.KinectDefaultSensorConsumer); if (!eventStream.IsPlaybackable) { throw new InvalidOperationException(string.Format(Strings.ErrorPlaybackStreamNotSupported, StreamSupport.ConvertStreamGuidToString(stream))); } } }
/// <summary> /// Records streams from the Kinect sensor to an event file /// </summary> /// <param name="client">KStudioClient which is connected to the Kinect service</param> /// <param name="filePath">Path to new event file which will be created for recording</param> /// <param name="duration">How long the recording should last before being stopped</param> /// <param name="streamNames">Collection of streams to include in the recording</param> public static void RecordClip(KStudioClient client, string filePath, TimeSpan duration, IEnumerable <string> streamNames) { if (client == null) { throw new ArgumentNullException("client"); } if (!client.IsServiceConnected) { throw new InvalidOperationException(Strings.ErrorNotConnected); } if (string.IsNullOrEmpty(filePath)) { throw new ArgumentNullException("filePath"); } HashSet <Guid> streamDataTypeIds = new HashSet <Guid>(); KStudioEventStreamSelectorCollection streamCollection = new KStudioEventStreamSelectorCollection(); KStudioRecording recording = null; // decide which streams to record if (streamNames != null && streamNames.Count <string>() > 0) { streamDataTypeIds = StreamSupport.ConvertStreamsToGuids(streamNames); StreamSupport.VerifyStreamsForRecordAndPlayback(streamDataTypeIds); } else { if (Path.GetExtension(filePath).ToLower().Equals(Strings.XrfExtension)) { streamDataTypeIds.Add(KStudioEventStreamDataTypeIds.RawIr); } else { streamDataTypeIds.Add(KStudioEventStreamDataTypeIds.Ir); streamDataTypeIds.Add(KStudioEventStreamDataTypeIds.Depth); streamDataTypeIds.Add(KStudioEventStreamDataTypeIds.Body); streamDataTypeIds.Add(KStudioEventStreamDataTypeIds.BodyIndex); } } // verify streams are recordable by the Kinect sensor foreach (Guid stream in streamDataTypeIds) { KStudioEventStream eventStream = client.GetEventStream(stream, KStudioEventStreamSemanticIds.KinectDefaultSensorProducer); if (!eventStream.IsRecordable) { throw new InvalidOperationException(string.Format(Strings.ErrorRecordingStreamNotSupported, StreamSupport.ConvertStreamGuidToString(stream))); } streamCollection.Add(stream); } // fix file extension, if necessary if (streamDataTypeIds.Contains(KStudioEventStreamDataTypeIds.RawIr) && Path.GetExtension(filePath).ToUpperInvariant().Equals(Strings.XefExtension.ToUpperInvariant())) { Path.ChangeExtension(filePath, Strings.XrfExtension); } // attempt to record streams for the specified duration try { recording = client.CreateRecording(filePath, streamCollection); } catch (Exception) { //K4W supports uncompressed and compressed color, so if we get an error, try recording the other type streamCollection = StreamSupport.CreateStreamCollection(streamDataTypeIds, true); recording = client.CreateRecording(filePath, streamCollection); } using (recording) { recording.StartTimed(duration); while (recording.State == KStudioRecordingState.Recording) { Thread.Sleep(500); } if (recording.State == KStudioRecordingState.Error) { throw new InvalidOperationException(Strings.ErrorRecordingFailed); } } }
/// <summary> /// Records streams from the Kinect sensor to an event file /// </summary> /// <param name="client">KStudioClient which is connected to the Kinect service</param> /// <param name="filePath">Path to new event file which will be created for recording</param> /// <param name="duration">How long the recording should last before being stopped</param> /// <param name="streamNames">Collection of streams to include in the recording</param> public static void RecordClip(KStudioClient client, string filePath, TimeSpan duration, IEnumerable<string> streamNames) { if (client == null) { throw new ArgumentNullException("client"); } if (!client.IsServiceConnected) { throw new InvalidOperationException(Strings.ErrorNotConnected); } if (string.IsNullOrEmpty(filePath)) { throw new ArgumentNullException("filePath"); } HashSet<Guid> streamDataTypeIds = new HashSet<Guid>(); KStudioEventStreamSelectorCollection streamCollection = new KStudioEventStreamSelectorCollection(); KStudioRecording recording = null; // decide which streams to record if (streamNames != null && streamNames.Count<string>() > 0) { streamDataTypeIds = StreamSupport.ConvertStreamsToGuids(streamNames); StreamSupport.VerifyStreamsForRecordAndPlayback(streamDataTypeIds); } else { if (Path.GetExtension(filePath).ToLower().Equals(Strings.XrfExtension)) { streamDataTypeIds.Add(KStudioEventStreamDataTypeIds.RawIr); } else { streamDataTypeIds.Add(KStudioEventStreamDataTypeIds.Ir); streamDataTypeIds.Add(KStudioEventStreamDataTypeIds.Depth); streamDataTypeIds.Add(KStudioEventStreamDataTypeIds.Body); streamDataTypeIds.Add(KStudioEventStreamDataTypeIds.BodyIndex); } } // verify streams are recordable by the Kinect sensor foreach (Guid stream in streamDataTypeIds) { KStudioEventStream eventStream = client.GetEventStream(stream, KStudioEventStreamSemanticIds.KinectDefaultSensorProducer); if (!eventStream.IsRecordable) { throw new InvalidOperationException(string.Format(Strings.ErrorRecordingStreamNotSupported, StreamSupport.ConvertStreamGuidToString(stream))); } streamCollection.Add(stream); } // fix file extension, if necessary if (streamDataTypeIds.Contains(KStudioEventStreamDataTypeIds.RawIr) && Path.GetExtension(filePath).ToUpperInvariant().Equals(Strings.XefExtension.ToUpperInvariant())) { Path.ChangeExtension(filePath, Strings.XrfExtension); } // attempt to record streams for the specified duration try { recording = client.CreateRecording(filePath, streamCollection); } catch (Exception) { //K4W supports uncompressed and compressed color, so if we get an error, try recording the other type streamCollection = StreamSupport.CreateStreamCollection(streamDataTypeIds, true); recording = client.CreateRecording(filePath, streamCollection); } using (recording) { recording.StartTimed(duration); while (recording.State == KStudioRecordingState.Recording) { Thread.Sleep(500); } if (recording.State == KStudioRecordingState.Error) { throw new InvalidOperationException(Strings.ErrorRecordingFailed); } } }