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/****************************************************************************
* *
* PrimeSense Sensor 5.x Alpha *
* Copyright (C) 2011 PrimeSense Ltd. *
* *
* This file is part of PrimeSense Sensor. *
* *
* PrimeSense Sensor is free software: you can redistribute it and/or modify*
* it under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* PrimeSense Sensor is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with PrimeSense Sensor. If not, see <http://www.gnu.org/licenses/>.*
* *
****************************************************************************/
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "XnStreamDeviceStreamHolder.h"
#include <XnFormats/XnUncompressedCodec.h>
#include <XnFormats/Xn16zCodec.h>
#include <XnFormats/Xn16zEmbTablesCodec.h>
#include <XnFormats/Xn8zCodec.h>
#include <XnFormats/XnJpegCodec.h>
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XnStreamDeviceStreamHolder::XnStreamDeviceStreamHolder(XnDeviceStream* pStream, XnBool bCompressionIsReadOnly) :
XnDeviceModuleHolder(pStream, TRUE),
m_Compression(XN_STREAM_PROPERTY_COMPRESSION, XN_COMPRESSION_NONE),
m_pCodec(NULL)
{
if (!bCompressionIsReadOnly)
{
m_Compression.UpdateSetCallbackToDefault();
}
}
XnStatus XnStreamDeviceStreamHolder::Init(const XnActualPropertiesHash* pProps)
{
XnStatus nRetVal = XN_STATUS_OK;
XN_VALIDATE_ADD_PROPERTIES(GetStream(), &m_Compression);
nRetVal = XnDeviceModuleHolder::Init(pProps);
XN_IS_STATUS_OK(nRetVal);
// create codec
nRetVal = m_CodecProperties.Set(&m_Compression, &m_Compression);
XN_IS_STATUS_OK(nRetVal);
nRetVal = m_Compression.OnChangeEvent().Register(CodecPropertyChangedCallback, this, NULL);
XN_IS_STATUS_OK(nRetVal);
nRetVal = ChooseCodec();
XN_IS_STATUS_OK(nRetVal);
return (XN_STATUS_OK);
}
XnStatus XnStreamDeviceStreamHolder::Free()
{
XN_DELETE(m_pCodec);
m_pCodec = NULL;
return XnDeviceModuleHolder::Free();
}
XnStatus XnStreamDeviceStreamHolder::ChooseCodec()
{
XnStatus nRetVal = XN_STATUS_OK;
// create new codec (we also need to register on all the properties)
XnCodec* pCodec;
XnPropertiesList CodecProps;
switch (GetCompression())
{
case XN_COMPRESSION_NONE:
{
XN_VALIDATE_NEW_AND_INIT(pCodec, XnUncompressedCodec);
}
break;
case XN_COMPRESSION_16Z:
{
XN_VALIDATE_NEW_AND_INIT(pCodec, Xn16zCodec);
}
break;
case XN_COMPRESSION_16Z_EMB_TABLE:
{
// first we need to find max depth
XnIntProperty* pDeviceMaxDepthProp;
nRetVal = GetStream()->GetProperty(XN_STREAM_PROPERTY_DEVICE_MAX_DEPTH, &pDeviceMaxDepthProp);
XN_IS_STATUS_OK(nRetVal);
XnUInt64 nMaxDepth;
nRetVal = pDeviceMaxDepthProp->GetValue(&nMaxDepth);
XN_IS_STATUS_OK(nRetVal);
nRetVal = CodecProps.AddLast(pDeviceMaxDepthProp);
XN_IS_STATUS_OK(nRetVal);
XN_VALIDATE_NEW_AND_INIT(pCodec, Xn16zEmbTablesCodec, (XnDepthPixel)nMaxDepth);
}
break;
case XN_COMPRESSION_COLOR_8Z:
{
XN_VALIDATE_NEW_AND_INIT(pCodec, Xn8zCodec);
}
break;
case XN_COMPRESSION_JPEG:
{
// check what is the output format
XnIntProperty* pOutputFormatProp;
nRetVal = GetStream()->GetProperty(XN_STREAM_PROPERTY_OUTPUT_FORMAT, &pOutputFormatProp);
XN_IS_STATUS_OK(nRetVal);
XnUInt64 nOutputFormat;
nRetVal = pOutputFormatProp->GetValue(&nOutputFormat);
XN_IS_STATUS_OK(nRetVal);
XnBool bRGB = FALSE;
switch (nOutputFormat)
{
case XN_OUTPUT_FORMAT_GRAYSCALE8:
bRGB = FALSE;
break;
case XN_OUTPUT_FORMAT_RGB24:
bRGB = TRUE;
break;
default:
XN_LOG_WARNING_RETURN(XN_STATUS_ERROR, XN_MASK_DDK, "Codec factory currently supports JPEG codec only for streams of type Gray8 or RGB24!");
}
nRetVal = CodecProps.AddLast(pOutputFormatProp);
XN_IS_STATUS_OK(nRetVal);
// X res
XnIntProperty* pXResProp;
nRetVal = GetStream()->GetProperty(XN_STREAM_PROPERTY_X_RES, &pXResProp);
XN_IS_STATUS_OK(nRetVal);
XnUInt64 nXRes;
nRetVal = pXResProp->GetValue(&nXRes);
XN_IS_STATUS_OK(nRetVal);
nRetVal = CodecProps.AddLast(pXResProp);
XN_IS_STATUS_OK(nRetVal);
// Y res
XnIntProperty* pYResProp;
nRetVal = GetStream()->GetProperty(XN_STREAM_PROPERTY_Y_RES, &pYResProp);
XN_IS_STATUS_OK(nRetVal);
XnUInt64 nYRes;
nRetVal = pYResProp->GetValue(&nYRes);
XN_IS_STATUS_OK(nRetVal);
// Cropping
XnGeneralProperty* pCroppingProp;
nRetVal = GetStream()->GetProperty(XN_STREAM_PROPERTY_CROPPING, &pCroppingProp);
XN_IS_STATUS_OK(nRetVal);
XnCropping cropping;
nRetVal = pCroppingProp->GetValue(XN_PACK_GENERAL_BUFFER(cropping));
XN_IS_STATUS_OK(nRetVal);
nRetVal = CodecProps.AddLast(pCroppingProp);
XN_IS_STATUS_OK(nRetVal);
// calc x,y
if (cropping.bEnabled)
{
nXRes = cropping.nXSize;
nYRes = cropping.nYSize;
}
XN_VALIDATE_NEW_AND_INIT(pCodec, XnJpegCodec, bRGB, (XnUInt32)nXRes, (XnUInt32)nYRes);
}
break;
default:
XN_LOG_WARNING_RETURN(XN_STATUS_ERROR, XN_MASK_DDK, "Codec factory does not support compression type %d", GetCompression());
}
// register to new props
for (XnPropertiesList::Iterator it = CodecProps.begin(); it != CodecProps.end(); ++it)
{
XnProperty* pProp = *it;
XnPropertiesHash::Iterator hashIt = m_CodecProperties.end();
nRetVal = m_CodecProperties.Find(pProp, hashIt);
if (nRetVal == XN_STATUS_NO_MATCH)
{
XnCallbackHandle hCallbackDummy;
nRetVal = pProp->OnChangeEvent().Register(CodecPropertyChangedCallback, this, &hCallbackDummy);
XN_IS_STATUS_OK(nRetVal);
nRetVal = m_CodecProperties.Set(pProp, NULL);
XN_IS_STATUS_OK(nRetVal);
}
else
{
XN_IS_STATUS_OK(nRetVal);
}
}
// replace it
XN_DELETE(m_pCodec);
m_pCodec = pCodec;
return (XN_STATUS_OK);
}
XnStatus XnStreamDeviceStreamHolder::CodecPropertyChangedCallback(const XnProperty* /*pSender*/, void* pCookie)
{
XnStreamDeviceStreamHolder* pThis = (XnStreamDeviceStreamHolder*)pCookie;
return pThis->ChooseCodec();
}
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