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/*****************************************************************************
* *
* OpenNI 2.x Alpha *
* Copyright (C) 2012 PrimeSense Ltd. *
* *
* This file is part of OpenNI. *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
*****************************************************************************/
#ifndef _ONI_IMPL_SYNCED_STREAMS_FRAME_HOLDER_H_
#define _ONI_IMPL_SYNCED_STREAMS_FRAME_HOLDER_H_
#include "OniCommon.h"
#include "OniFrameHolder.h"
#include "OniStream.h"
#include "XnArray.h"
ONI_NAMESPACE_IMPLEMENTATION_BEGIN
class SyncedStreamsFrameHolder : public FrameHolder
{
public:
// Constructor.
SyncedStreamsFrameHolder(FrameManager& frameManager, VideoStream** ppStreams, int numStreams);
// Destructor.
virtual ~SyncedStreamsFrameHolder();
// Get the next frame belonging to a stream.
virtual OniStatus readFrame(VideoStream* pStream, OniFrame** pFrame);
// Process a newly received frame.
virtual OniStatus processNewFrame(VideoStream* pStream, OniFrame* pFrame);
// Peek at next frame.
virtual OniFrame* peekFrame(VideoStream* pStream);
// Clear all the frame in the holder.
virtual void clear();
// Set whether stream is enabled.
virtual void setStreamEnabled(VideoStream* pStream, OniBool enabled);
// Return list of streams which are members of the stream group.
virtual void getStreams(VideoStream** ppStreams, int* pNumStreams);
// Return number of streams which are members of the stream group.
virtual int getNumStreams();
private:
typedef struct
{
// Pointer to stream.
VideoStream* pStream;
// Flag indicating stream is enabled.
OniBool enabled;
// Last received frame.
OniFrame* pLastFrame;
// 'Latched' frame.
OniFrame* pSyncedFrame;
} FameSyncedStream;
xnl::Array<FameSyncedStream> m_FrameSyncedStreams;
};
ONI_NAMESPACE_IMPLEMENTATION_END
#endif // _ONI_IMPL_SYNCED_STREAMS_FRAME_HOLDER_H_
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