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#ifndef __XNLINKFRAMEINPUTSTREAM_H__
#define __XNLINKFRAMEINPUTSTREAM_H__
#include "XnLinkMsgParser.h"
#include "XnLinkInputStream.h"
#include <XnEvent.h>
#include <XnStatus.h>
#include <OpenNI.h>
#include <Driver/OniDriverAPI.h>
struct XnDumpFile;
namespace xn
{
class LinkControlEndpoint;
typedef struct NewFrameEventArgs
{
OniFrame* pFrame;
} NewFrameEventArgs;
typedef xnl::Event<NewFrameEventArgs> NewFrameEvent;
class LinkFrameInputStream : public LinkInputStream
{
public:
LinkFrameInputStream();
virtual ~LinkFrameInputStream();
virtual XnStatus Init(LinkControlEndpoint* pLinkControlEndpoint,
XnStreamType streamType,
XnUInt16 nStreamID,
IConnection* pConnection);
virtual void SetStreamServices(oni::driver::StreamServices* pServices) { m_pServices = pServices; }
XnUInt32 GetRequiredFrameSize() const { return CalcBufferSize(); }
virtual void Reset();
virtual XnBool IsInitialized() const;
virtual void Shutdown();
virtual XnStatus HandlePacket(const LinkPacketHeader& header, const XnUInt8* pData, XnBool& bPacketLoss);
virtual void SetDumpName(const XnChar* strDumpName);
virtual void SetDumpOn(XnBool bDumpOn);
virtual XnStreamFragLevel GetStreamFragLevel() const { return XN_LINK_STREAM_FRAG_LEVEL_FRAMES; }
typedef void (XN_CALLBACK_TYPE* NewFrameEventHandler)(const NewFrameEventArgs& args, void* pCookie);
NewFrameEvent::EventInterface& GetNewFrameEvent() { return m_newFrameEvent; }
virtual XnBool IsOutputFormatSupported(OniPixelFormat format) const;
virtual const xnl::Array<XnFwStreamVideoMode>& GetSupportedVideoModes() const;
virtual const XnFwStreamVideoMode& GetVideoMode() const;
virtual XnStatus SetVideoMode(const XnFwStreamVideoMode& videoMode);
virtual const XnShiftToDepthConfig& GetShiftToDepthConfig() const;
virtual XnStatus GetShiftToDepthTables(const XnShiftToDepthTables*& pTables) const;
virtual XnStatus SetDepthScale(XnDouble dDepthScale);
virtual const XnLinkCameraIntrinsics& GetCameraIntrinsics() const { return m_cameraIntrinsics; }
virtual const OniCropping& GetCropping() const;
virtual XnStatus SetCropping(OniCropping cropping);
virtual void GetFieldOfView(XnFloat* pHFOV, XnFloat* pVFOV) const { if (pHFOV) *pHFOV = m_fHFOV; if (pVFOV) *pVFOV = m_fVFOV; }
protected:
virtual XnStatus StartImpl();
virtual XnStatus StopImpl();
virtual LinkMsgParser* CreateLinkMsgParser();
private:
class DefaultStreamServices : public oni::driver::StreamServices
{
public:
DefaultStreamServices();
void setStream(LinkFrameInputStream* pStream);
static int ONI_CALLBACK_TYPE getDefaultRequiredFrameSizeCallback(void* streamServices);
static OniFrame* ONI_CALLBACK_TYPE acquireFrameCallback(void* streamServices);
static void ONI_CALLBACK_TYPE releaseFrameCallback(void* streamServices, OniFrame* pFrame);
static void ONI_CALLBACK_TYPE addFrameRefCallback(void* streamServices, OniFrame* pFrame);
};
struct LinkOniFrame : public OniFrame
{
int refCount;
};
static void Swap(XnUInt32& nVal1, XnUInt32& nVal2);
XnUInt32 GetOutputBytesPerPixel() const;
virtual XnUInt32 CalcBufferSize() const;
XnUInt32 CalcExpectedSize() const;
XnStatus UpdateCameraIntrinsics();
DefaultStreamServices m_defaultServices;
oni::driver::StreamServices* m_pServices;
volatile XnBool m_bInitialized;
NewFrameEvent m_newFrameEvent;
OniFrame* m_pCurrFrame;
XnBool m_currentFrameCorrupt;
mutable XN_CRITICAL_SECTION_HANDLE m_hCriticalSection; //Protects buffers info
XnUInt32 m_nBufferSize;
LinkMsgParser* m_pLinkMsgParser;
XnDumpFile* m_pDumpFile;
XnChar m_strDumpName[XN_FILE_MAX_PATH];
XnUInt32 m_nDumpFrameID;
xnl::Array<XnFwStreamVideoMode> m_supportedVideoModes;
XnFwStreamVideoMode m_videoMode;
int m_frameIndex;
OniCropping m_cropping;
XnShiftToDepthConfig m_shiftToDepthConfig;
XnShiftToDepthTables m_shiftToDepthTables;
XnLinkCameraIntrinsics m_cameraIntrinsics;
// Field of View
XnFloat m_fHFOV;
XnFloat m_fVFOV;
};
}
#endif // __XNLINKFRAMEINPUTSTREAM_H__
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