void Kin2::getHDFaces(bool withVertices, std::vector<k2::HDFaceData>& facesData)
{
if (!(m_flags & k2::HD_FACE))
{
mexPrintf("ERROR: NO HD-FACE FUNCTIONALITY SELECTED!\n");
return;
}
HRESULT hr;
facesData.clear();
// iterate through each HD face reader
for (int iFace = 0; iFace < BODY_COUNT; ++iFace)
{
// retrieve the latest face frame from this reader
IHighDefinitionFaceFrame *pHDFaceFrame = nullptr;
hr = m_pHDFaceFrameReaders[iFace]->AcquireLatestFrame(&pHDFaceFrame);
BOOLEAN bFaceTracked = false;
if (SUCCEEDED(hr) && nullptr != pHDFaceFrame)
{
// check if a valid face is tracked in this face frame
hr = pHDFaceFrame->get_IsTrackingIdValid(&bFaceTracked);
}
// If face tracked, save its data on the facesData structure array
if (bFaceTracked)
{
float animationUnits[FaceShapeAnimations_Count]={0};
UINT32 vertexCount;
// Here we save the HD face data
k2::HDFaceData faceData;
hr = pHDFaceFrame->GetAndRefreshFaceAlignmentResult(m_pFaceAlignment[iFace]);
if (SUCCEEDED(hr) && m_pFaceAlignment[iFace] != nullptr)
{
// Get the Animation units
hr = m_pFaceAlignment[iFace]->GetAnimationUnits(FaceShapeAnimations_Count, animationUnits);
if (SUCCEEDED(hr))
{
for (int vi = 0; vi < FaceShapeAnimations_Count; vi++)
faceData.animationUnits[vi] = animationUnits[vi];
}
// If HD face model vertices are requested
if (withVertices)
{
hr = GetFaceModelVertexCount(&vertexCount);
//mexPrintf("Number of Vertices: %d", vertexCount);
// If there is no model ready, issue a warning message (just once)
if (!m_faceModelReady[iFace] && !m_faceModelWarning[iFace])
{
mexPrintf("WARNING: No personal model has been created. An average face model will be used\n");
m_faceModelWarning[iFace] = true;
}
CameraSpacePoint *vertices = new CameraSpacePoint[vertexCount];
// Get the vertices (HD points)
if (SUCCEEDED(hr))
hr = m_pFaceModel[iFace]->CalculateVerticesForAlignment(m_pFaceAlignment[iFace], vertexCount, vertices);
if (SUCCEEDED(hr))
{
faceData.faceModel.resize(vertexCount);
for (int vi = 0; vi < vertexCount; vi++)
faceData.faceModel[vi] = vertices[vi];
}
if (vertices)
{
delete[] vertices;
vertices = NULL;
}
} // if withVertices
// Get the facebox
if (SUCCEEDED(hr))
hr = m_pFaceAlignment[iFace]->get_FaceBoundingBox(&faceData.faceBox);
// Get the face rotation
if (SUCCEEDED(hr))
hr = m_pFaceAlignment[iFace]->get_FaceOrientation(&faceData.faceRotation);
// Get the head pivot
if (SUCCEEDED(hr))
{
hr = m_pFaceAlignment[iFace]->get_HeadPivotPoint(&faceData.headPivot);
}
// Save the HD face data in the member variable m_HDfacesData
facesData.push_back(faceData);
} // if face alignment
} // If face tracked
else
{
// face tracking is not valid - attempt to fix the issue
// a valid body is required to perform this step
if (m_bHaveBodyData)
{
// check if the corresponding body is tracked
// if this is true then update the face frame source to track this body
IBody* pBody = m_ppBodies[iFace];
if (pBody != nullptr)
{
BOOLEAN bTracked = false;
hr = pBody->get_IsTracked(&bTracked);
UINT64 bodyTId;
if (SUCCEEDED(hr) && bTracked)
{
// get the tracking ID of this body
hr = pBody->get_TrackingId(&bodyTId);
if (SUCCEEDED(hr))
{
// update the face frame source with the tracking ID
m_pHDFaceFrameSources[iFace]->put_TrackingId(bodyTId);
}
}
} // if (pBody != nullptr)
} // if (m_bHaveBodyData)
} // if face tracked
SafeRelease(pHDFaceFrame);
} // for each face reader
} // end getHDFaces function
HRESULT KinectHDFaceGrabber::initHDFaceReader()
{
IBodyFrameSource* pBodyFrameSource = nullptr;
UINT32 vertices = 0;
HRESULT hr = GetFaceModelVertexCount(&vertices);
if (SUCCEEDED(hr)){
hr = m_pKinectSensor->get_BodyFrameSource(&pBodyFrameSource);
}
std::vector<std::vector<float>> deformations(BODY_COUNT, std::vector<float>(FaceShapeDeformations::FaceShapeDeformations_Count));
if (SUCCEEDED(hr)){
// create a face frame source + reader to track each body in the fov
for (int i = 0; i < BODY_COUNT; i++){
if (SUCCEEDED(hr)){
// create the face frame source by specifying the required face frame features
hr = CreateFaceFrameSource(m_pKinectSensor, 0, c_FaceFrameFeatures, &m_pFaceFrameSources[i]);
}
if (SUCCEEDED(hr)){
// open the corresponding reader
hr = m_pFaceFrameSources[i]->OpenReader(&m_pFaceFrameReaders[i]);
}
std::vector<std::vector<float>> deformations(BODY_COUNT, std::vector<float>(FaceShapeDeformations::FaceShapeDeformations_Count));
if (SUCCEEDED(hr)){
hr = CreateHighDefinitionFaceFrameSource(m_pKinectSensor, &m_pHDFaceSource[i]);
m_pHDFaceSource[i]->put_TrackingQuality(FaceAlignmentQuality_High);
}
if (SUCCEEDED(hr)){
hr = m_pHDFaceSource[i]->OpenReader(&m_pHDFaceReader[i]);
}
if (SUCCEEDED(hr)){
hr = m_pHDFaceSource[i]->OpenModelBuilder(FaceModelBuilderAttributes::FaceModelBuilderAttributes_None, &m_pFaceModelBuilder[i]);
}
if (SUCCEEDED(hr)){
hr = m_pFaceModelBuilder[i]->BeginFaceDataCollection();
}
if (SUCCEEDED(hr)){
hr = CreateFaceAlignment(&m_pFaceAlignment[i]);
}
if (SUCCEEDED(hr)){
m_HDFaceDetectedPointsCamSpace[i].resize(vertices);
m_HDFaceDetectedPointsColorSpace[i].resize(vertices);
}
// Create Face Model
hr = CreateFaceModel(1.0f, FaceShapeDeformations::FaceShapeDeformations_Count, deformations[i].data(), &m_pFaceModel[i]);
if (FAILED(hr)){
std::cerr << "Error : CreateFaceModel()" << std::endl;
return hr;
}
}
if (SUCCEEDED(hr)){
hr = pBodyFrameSource->OpenReader(&m_pBodyFrameReader);
}
SafeRelease(pBodyFrameSource);
}
return hr;
}
void KinectHDFaceGrabber::processFaces()
{
//update the tracked bodys
HRESULT hr;
IBody* ppBodies[BODY_COUNT] = {0};
bool bHaveBodyData = SUCCEEDED( updateBodyData(ppBodies) );
if (!bHaveBodyData)
return;
//indicate the start of data providing
m_outputStreamUpdater->startFaceCollection(m_colorBuffer.data(), m_depthBuffer.data());
bool updatedOneFace = false;
UINT32 vertex = 0;
hr = GetFaceModelVertexCount(&vertex); // 1347
// iterate through each face reader
for (int iFace = 0; iFace < BODY_COUNT; ++iFace)
{
//asociate the faces with the bodies
updateHDFaceTrackingID(m_pHDFaceSource[iFace], ppBodies[iFace]);
IHighDefinitionFaceFrame* pHDFaceFrame = nullptr;
hr = m_pHDFaceReader[iFace]->AcquireLatestFrame(&pHDFaceFrame);
BOOLEAN bFaceTracked = false;
if (SUCCEEDED(hr) && pHDFaceFrame != nullptr){
hr = pHDFaceFrame->get_IsFaceTracked(&bFaceTracked);
}
//update face aligment
if (SUCCEEDED(hr) && bFaceTracked){
hr = pHDFaceFrame->GetAndRefreshFaceAlignmentResult(m_pFaceAlignment[iFace]);
}
if (FAILED(hr) || m_pFaceAlignment[iFace] == nullptr){
continue;
}
//have we finished building our model?
if (m_pFaceModelBuilder[iFace] != nullptr){
updateFaceModelStatusOfFaceModelBuilder(&m_pFaceModelBuilder[iFace], m_pFaceModel[iFace]);
}
if (m_outputStreamUpdater){
hr = m_outputStreamUpdater->updateOutputStreams(m_pFaceModel[iFace], m_pFaceAlignment[iFace],
std::min(m_HDFaceDetectedPointsCamSpace[iFace].size(), m_HDFaceDetectedPointsColorSpace[iFace].size()),
m_HDFaceDetectedPointsCamSpace[iFace].data(), m_HDFaceDetectedPointsColorSpace[iFace].data());
updatedOneFace = true;
}
if (SUCCEEDED(hr)){
m_pDrawDataStreams->drawPoints(m_HDFaceDetectedPointsColorSpace[iFace]);
}
}
if (updatedOneFace){
m_outputStreamUpdater->stopFaceCollection();
}
if (bHaveBodyData)
{
for (int i = 0; i < _countof(ppBodies); ++i)
{
SafeRelease(ppBodies[i]);
}
}
}
/// <summary>
/// Processes new face frames
/// </summary>
void CFaceBasics::ProcessFaces()
{
HRESULT hr;
IBody* ppBodies[BODY_COUNT] = {0};
bool bHaveBodyData = SUCCEEDED( UpdateBodyData(ppBodies) );
UINT32 vertexCount = 0;
hr = GetFaceModelVertexCount(&vertexCount);
UINT colorSpaceCount = vertexCount;
ColorSpacePoint * pFaceColors = new ColorSpacePoint[colorSpaceCount];
// iterate through each face reader
for (int iFace = 0; iFace < BODY_COUNT; ++iFace)
{
// retrieve the latest face frame from this reader
IFaceFrame* pFaceFrame = nullptr;
hr = m_pFaceFrameReaders[iFace]->AcquireLatestFrame(&pFaceFrame);
BOOLEAN bFaceTracked = false;
if (SUCCEEDED(hr) && nullptr != pFaceFrame)
{
// check if a valid face is tracked in this face frame
hr = pFaceFrame->get_IsTrackingIdValid(&bFaceTracked);
}
if (SUCCEEDED(hr))
{
if (bFaceTracked)
{
IFaceFrameResult* pFaceFrameResult = nullptr;
RectI faceBox = {0};
PointF facePoints[FacePointType::FacePointType_Count];
Vector4 faceRotation;
DetectionResult faceProperties[FaceProperty::FaceProperty_Count];
D2D1_POINT_2F faceTextLayout;
hr = pFaceFrame->get_FaceFrameResult(&pFaceFrameResult);
// need to verify if pFaceFrameResult contains data before trying to access it
if (SUCCEEDED(hr) && pFaceFrameResult != nullptr)
{
hr = pFaceFrameResult->get_FaceBoundingBoxInColorSpace(&faceBox);
if (SUCCEEDED(hr))
{
hr = pFaceFrameResult->GetFacePointsInColorSpace(FacePointType::FacePointType_Count, facePoints);
}
if (SUCCEEDED(hr))
{
hr = pFaceFrameResult->get_FaceRotationQuaternion(&faceRotation);
}
if (SUCCEEDED(hr))
{
hr = pFaceFrameResult->GetFaceProperties(FaceProperty::FaceProperty_Count, faceProperties);
}
if (SUCCEEDED(hr))
{
hr = GetFaceTextPositionInColorSpace(ppBodies[iFace], &faceTextLayout);
}
if (SUCCEEDED(hr))
{
//let's see if we can get hd face frame here
// retrieve the latest face frame from this reader
IHighDefinitionFaceFrame* phdFaceFrame = nullptr;
hr = m_phdFaceFrameReaders[iFace]->AcquireLatestFrame(&phdFaceFrame);
if (SUCCEEDED(hr) && nullptr != phdFaceFrame)
{
//we have a hd face frame so get the vertices
hr = phdFaceFrame->GetAndRefreshFaceAlignmentResult(m_phdFaceAlignments[iFace]);
IFaceModel * pFaceModel = nullptr;
if (SUCCEEDED(hr))
{
//we have updated the faceAlignment results
hr = phdFaceFrame->get_FaceModel(&pFaceModel);
if (SUCCEEDED(hr) && nullptr != pFaceModel)
{
CameraSpacePoint * pFacePoints = new CameraSpacePoint[vertexCount];
hr = pFaceModel->CalculateVerticesForAlignment(m_phdFaceAlignments[iFace], vertexCount, pFacePoints);
const CameraSpacePoint * pConstFacePoints = pFacePoints; //now convert cameraspace points to colorspacepoints
hr = m_pCoordinateMapper->MapCameraPointsToColorSpace(vertexCount, pConstFacePoints, colorSpaceCount, pFaceColors);
if (FAILED(hr))
{
pFaceColors = nullptr;
}
delete pFacePoints;
}
SafeRelease(pFaceModel);
}
SafeRelease(phdFaceFrame);
}
if (nullptr != pFaceColors)
{
m_pDrawDataStreams->DrawFaceFrameResults(iFace, &faceBox, facePoints, &faceRotation, faceProperties, &faceTextLayout, pFaceColors);
}
else
{
// draw face frame results
m_pDrawDataStreams->DrawFaceFrameResults(iFace, &faceBox, facePoints, &faceRotation, faceProperties, &faceTextLayout);
}
}
}
SafeRelease(pFaceFrameResult);
}
else
{
// face tracking is not valid - attempt to fix the issue
// a valid body is required to perform this step
if (bHaveBodyData)
{
// check if the corresponding body is tracked
// if this is true then update the face frame source to track this body
IBody* pBody = ppBodies[iFace];
if (pBody != nullptr)
{
BOOLEAN bTracked = false;
hr = pBody->get_IsTracked(&bTracked);
UINT64 bodyTId;
if (SUCCEEDED(hr) && bTracked)
{
// get the tracking ID of this body
hr = pBody->get_TrackingId(&bodyTId);
if (SUCCEEDED(hr))
{
// update the face frame source with the tracking ID
m_pFaceFrameSources[iFace]->put_TrackingId(bodyTId);
m_phdFaceFrameSources[iFace]->put_TrackingId(bodyTId);
}
}
}
}
}
}
SafeRelease(pFaceFrame);
}
delete pFaceColors;
if (bHaveBodyData)
{
for (int i = 0; i < _countof(ppBodies); ++i)
{
SafeRelease(ppBodies[i]);
}
}
}
