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/********************************************************************************
* FaceTrackNoIR This program is a private project of some enthusiastic *
* gamers from Holland, who don't like to pay much for *
* head-tracking. *
* *
* Copyright (C) 2012 Wim Vriend (Developing) *
* Ron Hendriks (Researching and Testing) *
* *
* Homepage: http://facetracknoir.sourceforge.net/home/default.htm *
* *
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; either version 3 of the License, or (at your *
* option) any later version. *
* *
* This program 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 General Public License for *
* more details. *
* *
* You should have received a copy of the GNU General Public License along *
* with this program; if not, see <http://www.gnu.org/licenses/>. *
* *
********************************************************************************/
#include "ftnoir_tracker_sm.h"
#include <QtGui>
FTNoIR_Tracker::FTNoIR_Tracker()
{
}
FTNoIR_Tracker::~FTNoIR_Tracker()
{
qDebug() << "~FTNoIR_Tracker says: cleaning up";
if ( pMemData != NULL ) {
UnmapViewOfFile ( pMemData );
}
bEnableRoll = true;
bEnablePitch = true;
bEnableYaw = true;
bEnableX = true;
bEnableY = true;
bEnableZ = true;
CloseHandle( hSMMutex );
CloseHandle( hSMMemMap );
hSMMemMap = 0;
}
void FTNoIR_Tracker::Initialize( QFrame *videoframe )
{
qDebug() << "FTNoIR_Tracker::Initialize says: Starting ";
if (SMCreateMapping()) {
qDebug() << "FTNoIR_Tracker::Initialize Mapping created.";
}
else {
QMessageBox::warning(0,"FaceTrackNoIR Error","Memory mapping not created!",QMessageBox::Ok,QMessageBox::NoButton);
}
loadSettings();
if ( pMemData != NULL ) {
pMemData->command = 0; // Reset any and all commands
if (videoframe != NULL) {
pMemData->handle = videoframe->winId(); // Handle of Videoframe widget
}
else {
pMemData->handle = NULL; // reset Handle of Videoframe widget
}
}
//
// Start FTNoIR_FaceAPI_EXE.exe. The exe contains all faceAPI-stuff and is non-Qt...
//
QString program = "FTNoIR_FaceAPI_EXE.exe";
faceAPI = new QProcess(0);
faceAPI->start(program);
// Show the video widget
qDebug() << "FTNoIR_Tracker::Initialize says: videoframe = " << videoframe;
if (videoframe != NULL) {
videoframe->show();
}
return;
}
void FTNoIR_Tracker::StartTracker( HWND parent_window )
{
if ( pMemData != NULL ) {
pMemData->command = FT_SM_START; // Start command
}
return;
}
void FTNoIR_Tracker::StopTracker( bool exit )
{
qDebug() << "FTNoIR_Tracker::StopTracker says: Starting ";
// stops the faceapi engine
if ( pMemData != NULL ) {
// if (exit == true) {
pMemData->command = (exit) ? FT_SM_EXIT : FT_SM_STOP; // Issue 'stop' command
//}
//else {
// pMemData->command = FT_SM_STOP; // Issue 'stop' command
//}
}
return;
}
bool FTNoIR_Tracker::GiveHeadPoseData(THeadPoseData *data)
{
//
// Check if the pointer is OK and wait for the Mutex.
//
if ( (pMemData != NULL) && (WaitForSingleObject(hSMMutex, 100) == WAIT_OBJECT_0) ) {
// qDebug() << "FTNoIR_Tracker::GiveHeadPoseData says: Retrieving data.";
//
// Copy the measurements to FaceTrackNoIR.
//
if (bEnableX) {
data->x = pMemData->data.new_pose.head_pos.x * 100.0f; // From meters to centimeters
}
if (bEnableY) {
data->y = pMemData->data.new_pose.head_pos.y * 100.0f;
}
if (bEnableZ) {
data->z = pMemData->data.new_pose.head_pos.z * 100.0f;
}
if (bEnableYaw) {
data->yaw = pMemData->data.new_pose.head_rot.y_rads * 57.295781f; // From rads to degrees
}
if (bEnablePitch) {
data->pitch = pMemData->data.new_pose.head_rot.x_rads * 57.295781f;
}
if (bEnableRoll) {
data->roll = pMemData->data.new_pose.head_rot.z_rads * 57.295781f;
}
//
// Reset the handshake, to let faceAPI know we're still here!
//
pMemData->handshake = 0;
ReleaseMutex(hSMMutex);
return ( pMemData->data.new_pose.confidence > 0 );
}
return false;
}
//
// Load the current Settings from the currently 'active' INI-file.
//
void FTNoIR_Tracker::loadSettings() {
qDebug() << "FTNoIR_Tracker::loadSettings says: Starting ";
QSettings settings("Abbequerque Inc.", "FaceTrackNoIR"); // Registry settings (in HK_USER)
QString currentFile = settings.value ( "SettingsFile", QCoreApplication::applicationDirPath() + "/Settings/default.ini" ).toString();
QSettings iniFile( currentFile, QSettings::IniFormat ); // Application settings (in INI-file)
qDebug() << "FTNoIR_Tracker::loadSettings says: iniFile = " << currentFile;
iniFile.beginGroup ( "SMTracker" );
if (pMemData) {
pMemData->initial_filter_level = iniFile.value ( "FilterLevel", 1 ).toInt();
}
bEnableRoll = iniFile.value ( "EnableRoll", 1 ).toBool();
bEnablePitch = iniFile.value ( "EnablePitch", 1 ).toBool();
bEnableYaw = iniFile.value ( "EnableYaw", 1 ).toBool();
bEnableX = iniFile.value ( "EnableX", 1 ).toBool();
bEnableY = iniFile.value ( "EnableY", 1 ).toBool();
bEnableZ = iniFile.value ( "EnableZ", 1 ).toBool();
iniFile.endGroup ();
}
//
// Create a memory-mapping to the faceAPI data.
// It contains the tracking data, a command-code from FaceTrackNoIR
//
//
bool FTNoIR_Tracker::SMCreateMapping()
{
qDebug() << "FTNoIR_Tracker::FTCreateMapping says: Starting Function";
//
// A FileMapping is used to create 'shared memory' between the faceAPI and FaceTrackNoIR.
//
// Try to create a FileMapping to the Shared Memory.
// If one already exists: close it.
//
hSMMemMap = CreateFileMappingA( INVALID_HANDLE_VALUE , 00 , PAGE_READWRITE , 0 ,
sizeof( TFaceData ) + sizeof( HANDLE ) + 100,
(LPCSTR) SM_MM_DATA );
if ( hSMMemMap != 0 ) {
qDebug() << "FTNoIR_Tracker::FTCreateMapping says: FileMapping Created!";
}
if ( ( hSMMemMap != 0 ) && ( (long) GetLastError == ERROR_ALREADY_EXISTS ) ) {
CloseHandle( hSMMemMap );
hSMMemMap = 0;
}
//
// Create a new FileMapping, Read/Write access
//
hSMMemMap = OpenFileMappingA( FILE_MAP_ALL_ACCESS , false , (LPCSTR) SM_MM_DATA );
if ( ( hSMMemMap != 0 ) ) {
qDebug() << "FTNoIR_Tracker::FTCreateMapping says: FileMapping Created again..." << hSMMemMap;
pMemData = (SMMemMap *) MapViewOfFile(hSMMemMap, FILE_MAP_ALL_ACCESS, 0, 0, sizeof(TFaceData));
if (pMemData != NULL) {
qDebug() << "FTNoIR_Tracker::FTCreateMapping says: MapViewOfFile OK.";
// pMemData->handle = handle; // The game uses the handle, to send a message that the Program-Name was set!
}
hSMMutex = CreateMutexA(NULL, false, SM_MUTEX);
}
else {
qDebug() << "FTNoIR_Tracker::FTCreateMapping says: Error creating Shared Memory for faceAPI!";
return false;
}
//if (pMemData != NULL) {
// pMemData->data.DataID = 1;
// pMemData->data.CamWidth = 100;
// pMemData->data.CamHeight = 250;
//}
return true;
}
////////////////////////////////////////////////////////////////////////////////
// Factory function that creates instances if the Tracker object.
// Export both decorated and undecorated names.
// GetTracker - Undecorated name, which can be easily used with GetProcAddress
// Win32 API function.
// _GetTracker@0 - Common name decoration for __stdcall functions in C language.
#pragma comment(linker, "/export:GetTracker=_GetTracker@0")
FTNOIR_TRACKER_BASE_EXPORT ITrackerPtr __stdcall GetTracker()
{
return new FTNoIR_Tracker;
}
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