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#include "XnLinkInputStream.h"
#include "XnLinkControlEndpoint.h"
//Link msg parsers
#include "XnLinkMsgParser.h"
namespace xn
{
LinkInputStream::LinkInputStream()
{
Reset();
}
LinkInputStream::~LinkInputStream()
{
Shutdown();
}
void LinkInputStream::Shutdown()
{
}
XnStatus LinkInputStream::Init(LinkControlEndpoint* pLinkControlEndpoint,
XnStreamType streamType,
XnUInt16 nStreamID,
IConnection* pConnection)
{
XnStatus nRetVal = XN_STATUS_OK;
XN_VALIDATE_INPUT_PTR(pLinkControlEndpoint);
XN_VALIDATE_INPUT_PTR(pConnection);
if (!pLinkControlEndpoint->IsConnected())
{
xnLogError(XN_MASK_LINK, "Link control endpoint is not connected");
XN_ASSERT(FALSE);
return XN_STATUS_ERROR;
}
m_pLinkControlEndpoint = pLinkControlEndpoint;
m_streamType = streamType;
m_nStreamID = nStreamID;
m_pConnection = pConnection;
m_streamingRefcount = 0;
/***** Get all stream properties *****/
nRetVal = m_pLinkControlEndpoint->GetSupportedInterfaces(nStreamID, m_supportedInterfaces);
XN_IS_STATUS_OK_LOG_ERROR("Get stream supported interfaces", nRetVal);
if (IsInterfaceSupported(XN_LINK_INTERFACE_MIRROR))
{
nRetVal = m_pLinkControlEndpoint->GetMirror(nStreamID, m_bMirror);
XN_IS_STATUS_OK_LOG_ERROR("Get mirror", nRetVal);
}
switch (m_streamType)
{
case XN_LINK_STREAM_TYPE_SHIFTS:
m_outputFormat = ONI_PIXEL_FORMAT_DEPTH_1_MM;
break;
case XN_LINK_STREAM_TYPE_COLOR:
m_outputFormat = ONI_PIXEL_FORMAT_YUV422;
break;
case XN_LINK_STREAM_TYPE_IR:
m_outputFormat = ONI_PIXEL_FORMAT_GRAY16;
break;
default:
m_outputFormat = XN_FORMAT_PASS_THROUGH_UNPACK;
break;
}
return XN_STATUS_OK;
}
void LinkInputStream::Reset()
{
m_pLinkControlEndpoint = NULL;
m_pConnection = NULL;
m_nStreamID = XN_LINK_STREAM_ID_INVALID;
m_bMirror = FALSE;
m_streamType = XN_LINK_STREAM_TYPE_NONE;
m_outputFormat = XN_FORMAT_PASS_THROUGH_UNPACK;
}
XnStatus LinkInputStream::Start()
{
if(++m_streamingRefcount == 1)
{
return StartImpl();
}
return XN_STATUS_OK;
}
XnStatus LinkInputStream::Stop()
{
if(--m_streamingRefcount == 0)
{
return StopImpl();
}
return XN_STATUS_OK;
}
XnBool LinkInputStream::IsStreaming() const
{
return m_bStreaming;
}
XnUInt16 LinkInputStream::GetStreamID() const
{
return m_nStreamID;
}
XnBool LinkInputStream::IsInterfaceSupported(XnUInt8 nInterfaceID) const
{
return m_supportedInterfaces.IsSet(nInterfaceID);
}
XnBool LinkInputStream::GetMirror() const
{
return m_bMirror;
}
XnStatus LinkInputStream::SetMirror(XnBool bMirror)
{
XnStatus nRetVal = m_pLinkControlEndpoint->SetMirror(m_nStreamID, bMirror);
XN_IS_STATUS_OK_LOG_ERROR("Set mirror", nRetVal);
m_bMirror = bMirror;
return XN_STATUS_OK;
}
LinkMsgParser* LinkInputStream::CreateLinkMsgParser()
{
if (m_outputFormat == XN_FORMAT_PASS_THROUGH_RAW)
{
return XN_NEW(LinkMsgParser);
} else {
xnLogError(XN_MASK_LINK, "Unknown output format: %d", m_outputFormat);
XN_ASSERT(FALSE);
return NULL;
}
}
XnBool LinkInputStream::IsOutputFormatSupported(OniPixelFormat format) const
{
return format == XN_FORMAT_PASS_THROUGH_RAW;
}
OniPixelFormat LinkInputStream::GetOutputFormat() const
{
return m_outputFormat;
}
XnStatus LinkInputStream::SetOutputFormat(OniPixelFormat format)
{
if (!IsOutputFormatSupported(format))
{
XN_ASSERT(FALSE);
return XN_STATUS_BAD_PARAM;
}
if (m_bStreaming)
{
xnLogWarning(XN_MASK_LINK, "Can't change output format while streaming!");
return XN_STATUS_INVALID_OPERATION;
}
m_outputFormat = format;
return XN_STATUS_OK;
}
}
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