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authorStanislaw Halik <sthalik@misaki.pl>2013-03-22 21:48:15 +0100
committerStanislaw Halik <sthalik@misaki.pl>2013-03-22 21:48:15 +0100
commit4f00c4c74d213a37a4b1a3313e50ce2b4dd51271 (patch)
treef692743cb752c994c05fe2761f83af08aa28d239 /faceapi/xxx_main.cpp
parent5c5ec4b4238996770bfd74ddfc87934ace40bf0f (diff)
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+/********************************************************************************
+* FaceTrackNoIR This program is a private project of the some enthusiastic *
+* gamers from Holland, who don't like to pay much for *
+* head-tracking. *
+* *
+* Copyright (C) 2013 Wim Vriend (Developing) *
+* Ron Hendriks (Researching and Testing) *
+* *
+* Homepage *
+* *
+* 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/>. *
+*********************************************************************************/
+/*
+ Modifications (last one on top):
+ 20130105 - WVR: Set engine state to TERMINATED, when EXIT.
+ 20110501 - WVR: Added some command to be handled from FaceTrackNoIR (settings dialog).
+ 20110322 - WVR: Somehow the video-widget of faceAPI version 3.2.6. does not
+ work with FaceTrackNoIR (Qt issue?!). To be able to use
+ release 3.2.6 of faceAPI anyway, this console-app is used.
+ It exchanges data with FaceTrackNoIR via shared-memory...
+*/
+
+//Precompiled header
+#include "stdafx.h"
+
+//FaceAPI headers
+#include <sm_api.h>
+#include "ftnoir_tracker_sm_types.h"
+#include "utils.h"
+
+//local headers
+#include "build_options.h"
+
+//namespaces
+using namespace std;
+using namespace sm::faceapi::samplecode;
+
+//
+// global variables
+//
+HANDLE hSMMemMap = NULL;
+SMMemMap *pMemData;
+HANDLE hSMMutex;
+smEngineHeadPoseData new_head_pose;
+bool stopCommand = false;
+bool ftnoirConnected = false;
+
+//enums
+enum GROUP_ID
+{
+ GROUP0=0,
+};
+
+enum EVENT_ID
+{
+ EVENT_PING=0,
+ EVENT_INIT,
+};
+
+enum INPUT_ID
+{
+ INPUT0=0,
+};
+
+//function definitions
+void updateHeadPose(smEngineHeadPoseData* temp_head_pose);
+bool SMCreateMapping();
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//
+//FaceAPI function implementations
+//
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void STDCALL receiveLogMessage(void *, const char *buf, int /*buf_len*/)
+{
+ Lock lock(g_mutex); // serialize logging calls from different threads to avoid garbled output.
+ //cout << string(buf);
+}
+
+// Callback function for face-data
+void STDCALL receiveFaceData(void *, smEngineFaceData face_data, smCameraVideoFrame video_frame)
+{
+ Lock lock(g_mutex);
+
+ // Get info including data pointer to original image from camera
+ smImageInfo video_frame_image_info;
+ THROW_ON_ERROR(smImageGetInfo(video_frame.image_handle, &video_frame_image_info)); // reentrant, so ok
+
+ // video_frame_image_info.plane_addr[*] now point to the image memory planes.
+ // The memory is only valid until the end of this routine unless you call smImageAddRef(video_frame.image_handle).
+ // So you can deep copy the image data here, or use smImageAddRef() and just copy the pointer.
+ // If you use smImageAddRef() you are responsible for calling smImageDestroy() to avoid a memory leak later.
+
+ // In this callback you will typically want to copy the smEngineFaceData data into your own data-structure.
+ // Since the smEngineFaceData contains multiple pod types copying it is not atomic and
+ // a mutex is required to avoid the race-condition with any thread simultaneously
+ // reading from your data-structure.
+ // Such a race condition will not crash your code but will create weird noise in the tracking data.
+
+ if (g_do_face_data_printing)
+ {
+ //cout << video_frame << " " << face_data;
+
+ // Save any face texture to a PNG file
+ if (face_data.texture)
+ {
+ // Create a unique filename
+ std::stringstream filename;
+ filename << "face_" << video_frame.frame_num << ".png";
+ // Try saving to a file
+ if (saveToPNGFile(filename.str(), face_data.texture->image_info) == SM_API_OK)
+ {
+ cout << "Saved face-texture to " << filename.str() << std::endl;
+ }
+ else
+ {
+ cout << "Error saving face-texture to " << filename.str() << std::endl;
+ }
+ }
+ }
+}
+
+// Callback function for head-pose
+void STDCALL receiveHeadPose(void *,smEngineHeadPoseData head_pose, smCameraVideoFrame video_frame)
+{
+ Lock lock(g_mutex);
+
+ // Get info including data pointer to original image from camera
+ smImageInfo video_frame_image_info;
+ THROW_ON_ERROR(smImageGetInfo(video_frame.image_handle, &video_frame_image_info)); // reentrant, so ok
+
+ // video_frame_image_info.plane_addr[*] now point to the image memory planes.
+ // The memory is only valid until the end of this routine unless you call smImageAddRef(video_frame.image_handle).
+ // So you can deep copy the image data here, or use smImageAddRef() and just copy the pointer.
+ // If you use smImageAddRef() you are responsible for calling smImageDestroy() to avoid a memory leak later.
+
+ // In this callback you will typically want to copy the smEngineFaceData data into your own data-structure.
+ // Since the smEngineFaceData contains multiple pod types copying it is not atomic and
+ // a mutex is required to avoid the race-condition with any thread simultaneously
+ // reading from your data-structure.
+ // Such a race condition will not crash your code but will create weird noise in the tracking data.
+
+ if (g_do_head_pose_printing)
+ {
+ //cout << video_frame << " " << head_pose << std::endl;
+ }
+
+ //make a copy of the new head pose data and send it to simconnect
+ //when we get a simmconnect frame event the new offset will be applied to the camera
+ updateHeadPose(&head_pose);
+}
+
+// Create the first available camera detected on the system, and return its handle
+smCameraHandle createFirstCamera()
+{
+ // Detect cameras
+ smCameraInfoList info_list;
+ THROW_ON_ERROR(smCameraCreateInfoList(&info_list));
+
+ if (info_list.num_cameras == 0)
+ {
+ throw runtime_error("No cameras were detected");
+ }
+ else
+ {
+ cout << "The followings cameras were detected: " << endl;
+ for (int i=0; i<info_list.num_cameras; ++i)
+ {
+ char buf[1024];
+ cout << " " << i << ". Type: " << info_list.info[i].type;
+ THROW_ON_ERROR(smStringWriteBuffer(info_list.info[i].model,buf,1024));
+ cout << " Model: " << string(buf);
+ cout << " Instance: " << info_list.info[i].instance_index << endl;
+ // Print all the possible formats for the camera
+ for (int j=0; j<info_list.info[i].num_formats; j++)
+ {
+ smCameraVideoFormat video_format = info_list.info[i].formats[j];
+ cout << " - Format: ";
+ cout << " res (" << video_format.res.w << "," << video_format.res.h << ")";
+ cout << " image code " << video_format.format;
+ cout << " framerate " << video_format.framerate << "(hz)";
+ cout << " upside-down? " << (video_format.is_upside_down ? "y":"n") << endl;
+ }
+ }
+ }
+
+ // Create the first camera detected on the system
+ smCameraHandle camera_handle = 0;
+ THROW_ON_ERROR(smCameraCreate(&info_list.info[0], // Use first camera
+ 0, // Use default settings for lens
+ &camera_handle));
+
+ // Destroy the info list
+ smCameraDestroyInfoList(&info_list);
+
+ return camera_handle;
+}
+
+// The main function: setup a tracking engine and show a video window, then loop on the keyboard.
+void run()
+{
+ char msg[100];
+ int state;
+
+ // Capture control-C
+// signal(SIGINT, CtrlCHandler);
+
+ // Make the console window a bit bigger (see utils.h)
+ initConsole();
+
+ #ifdef _DEBUG
+ // Log API debugging information to a file
+ THROW_ON_ERROR(smLoggingSetFileOutputEnable(SM_API_TRUE));
+
+ // Hook up log message callback
+ THROW_ON_ERROR(smLoggingRegisterCallback(0,receiveLogMessage));
+ #endif
+
+ // Get the version
+ int major, minor, maint;
+ THROW_ON_ERROR(smAPIVersion(&major, &minor, &maint));
+ cout << endl << "API VERSION: " << major << "." << minor << "." << maint << "." << endl << endl;
+ // Print detailed license info
+ char *buff;
+ int size;
+ THROW_ON_ERROR(smAPILicenseInfoString(0,&size,SM_API_TRUE));
+ buff = new char[size];
+ THROW_ON_ERROR(smAPILicenseInfoString(buff,&size,SM_API_TRUE));
+ cout << "LICENSE: " << buff << endl << endl;
+ // Determine if non-commercial restrictions apply
+ const bool non_commercial_license = smAPINonCommercialLicense() == SM_API_TRUE;
+
+ // Initialize the API
+ THROW_ON_ERROR(smAPIInit());
+
+ #ifdef _DEBUG
+ // Get the path to the logfile
+ smStringHandle logfile_path_handle = 0;
+ THROW_ON_ERROR(smStringCreate(&logfile_path_handle));
+ THROW_ON_ERROR(smLoggingGetPath(logfile_path_handle));
+ int buf_len = 0;
+ unsigned short *buf = 0;
+ THROW_ON_ERROR(smStringGetBufferW(logfile_path_handle,(wchar_t **)&buf,&buf_len));
+ wcout << "Writing log to file: " << wstring((wchar_t *)buf) << endl;
+ THROW_ON_ERROR(smStringDestroy(&logfile_path_handle));
+ #endif
+
+ // Register the WDM category of cameras
+ THROW_ON_ERROR(smCameraRegisterType(SM_API_CAMERA_TYPE_WDM));
+
+ smEngineHandle engine_handle = 0;
+ smCameraHandle camera_handle = 0;
+ if (non_commercial_license)
+ {
+ // Create a new Head-Tracker engine that uses the camera
+ THROW_ON_ERROR(smEngineCreate(SM_API_ENGINE_LATEST_HEAD_TRACKER,&engine_handle));
+ }
+ else
+ {
+ // Print out a list of connected cameras, and choose the first camera on the system
+ camera_handle = createFirstCamera();
+ // Create a new Head-Tracker engine that uses the camera
+ THROW_ON_ERROR(smEngineCreateWithCamera(SM_API_ENGINE_LATEST_HEAD_TRACKER,camera_handle,&engine_handle));
+ }
+
+ // Check license for particular engine version (always ok for non-commercial license)
+ const bool engine_licensed = smEngineIsLicensed(engine_handle) == SM_API_OK;
+
+ cout << "-----------------------------------------------------" << endl;
+ cout << "Press 'r' to restart tracking" << endl;
+ cout << "Press 'a' to toggle auto-restart mode" << endl;
+ if (!non_commercial_license)
+ {
+ cout << "Press 'l' to toggle lip-tracking" << endl;
+ cout << "Press 'e' to toggle eyebrow-tracking" << endl;
+ }
+ if (engine_licensed)
+ {
+ cout << "Press 'h' to toggle printing of head-pose data" << endl;
+ cout << "Press 'f' to toggle printing of face-landmark data" << endl;
+ }
+ cout << "Press '1' to toggle face coordinate frame axes" << endl;
+ cout << "Press '2' to toggle performance info" << endl;
+ cout << "Press '3' to toggle face mask" << endl;
+ cout << "Press '4' to toggle face landmarks" << endl;
+ cout << "Press CTRL-C or 'q' to quit" << endl;
+ cout << "-----------------------------------------------------" << endl;
+
+ // Hook up callbacks to receive output data from engine.
+ // These functions will return errors if the engine is not licensed.
+ if (engine_licensed)
+ {
+ #if (USE_HEADPOSE_CALLBACK==1)
+ #pragma message("Using Headpose Callback")
+ THROW_ON_ERROR(smHTRegisterHeadPoseCallback(engine_handle,0,receiveHeadPose));
+ #endif
+ if (!non_commercial_license)
+ {
+ THROW_ON_ERROR(smHTRegisterFaceDataCallback(engine_handle,0,receiveFaceData));
+ }
+ }
+ else
+ {
+ cout << "Engine is not licensed, cannot obtain any output data." << endl;
+ }
+
+ if (!non_commercial_license)
+ {
+ // Enable lip and eyebrow tracking
+ THROW_ON_ERROR(smHTSetLipTrackingEnabled(engine_handle,SM_API_TRUE));
+ THROW_ON_ERROR(smHTSetEyebrowTrackingEnabled(engine_handle,SM_API_TRUE));
+ }
+
+ // Create and show a video-display window
+ // Set the initial filter-level, from the INI-file
+ smVideoDisplayHandle video_display_handle = 0;
+ if (pMemData) {
+ THROW_ON_ERROR(smVideoDisplayCreate(engine_handle,&video_display_handle,(smWindowHandle) pMemData->handle,TRUE));
+ THROW_ON_ERROR(smHTV2SetHeadPoseFilterLevel(engine_handle, pMemData->initial_filter_level));
+ pMemData->handshake = 0;
+ }
+ else {
+ THROW_ON_ERROR(smVideoDisplayCreate(engine_handle,&video_display_handle,0,TRUE));
+ }
+
+ // Setup the VideoDisplay
+ THROW_ON_ERROR(smVideoDisplaySetFlags(video_display_handle,g_overlay_flags));
+
+ // Get the handle to the window and change the title to "Hello World"
+ smWindowHandle win_handle = 0;
+ THROW_ON_ERROR(smVideoDisplayGetWindowHandle(video_display_handle,&win_handle));
+ SetWindowText(win_handle, _T("faceAPI Video-widget"));
+ MoveWindow(win_handle, 0, 0, 250, 180, true);
+
+ // Loop on the keyboard
+ while (processKeyPress(engine_handle, video_display_handle) && !stopCommand)
+ {
+ // Read and print the current head-pose (if not using the callback mechanism)
+ #if (USE_HEADPOSE_CALLBACK==0)
+ #pragma message("Polling Headpose Manually")
+ if (engine_licensed)
+ {
+ smEngineHeadPoseData head_pose;
+ Lock lock(g_mutex);
+
+ THROW_ON_ERROR(smHTCurrentHeadPose(engine_handle,&head_pose));
+ if (g_do_head_pose_printing)
+ {
+ std::cout << head_pose << std::endl;
+ }
+
+ }
+ #endif
+
+ // NOTE: If you have a windows event loop in your program you
+ // will not need to call smAPIProcessEvents(). This manually redraws the video window.
+ THROW_ON_ERROR(smAPIProcessEvents());
+
+ // Prevent CPU overload in our simple loop.
+ const int frame_period_ms = 10;
+ Sleep(frame_period_ms);
+
+ //
+ // Process the command sent by FaceTrackNoIR.
+ //
+ if (ftnoirConnected && (pMemData != 0)) {
+
+ sprintf_s(msg, "Command: %d, \n", pMemData->command, pMemData->par_val_int);
+ OutputDebugStringA(msg);
+ std::cout << msg;
+
+ //
+ //
+ // Determine the trackers' state and send it to FaceTrackNoIR.
+ //
+ THROW_ON_ERROR(smEngineGetState(engine_handle, &state));
+ pMemData->state = state;
+ pMemData->handshake += 1;
+
+ //
+ // Check if FaceTrackNoIR is still 'in contact'.
+ // FaceTrackNoIR will reset the handshake, every time in writes data.
+ // If the value rises too high, this exe will stop itself...
+ //
+ if ( pMemData->handshake > 200) {
+ stopCommand = TRUE;
+ }
+
+ //
+ // Check if a command was issued and do something with it!
+ //
+ switch (pMemData->command) {
+ case FT_SM_START:
+
+ //
+ // Only execute Start, if the engine is not yet tracking.
+ //
+ if (state != SM_API_ENGINE_STATE_HT_TRACKING) {
+ THROW_ON_ERROR(smEngineStart(engine_handle)); // Start tracking
+ }
+ pMemData->command = 0; // Reset
+ break;
+
+ case FT_SM_STOP:
+ THROW_ON_ERROR(smEngineStop(engine_handle)); // Stop tracking
+ pMemData->command = 0; // Reset
+ break;
+
+ case FT_SM_EXIT:
+ THROW_ON_ERROR(smEngineStop(engine_handle)); // Stop tracking
+ stopCommand = TRUE;
+ pMemData->command = 0; // Reset
+ pMemData->state = SM_API_ENGINE_STATE_TERMINATED; // One last update, before quitting...
+ break;
+
+ case FT_SM_SET_PAR_FILTER:
+ THROW_ON_ERROR(smHTV2SetHeadPoseFilterLevel(engine_handle, pMemData->par_val_int));
+ pMemData->command = 0; // Reset
+ break;
+
+ case FT_SM_SHOW_CAM:
+ THROW_ON_ERROR(smEngineShowCameraControlPanel(engine_handle));
+ pMemData->command = 0; // Reset
+ break;
+
+ default:
+ pMemData->command = 0; // Reset
+ // should never be reached
+ break;
+ }
+ }
+ } // While(1)
+
+ // Destroy engine
+ THROW_ON_ERROR(smEngineDestroy(&engine_handle));
+ // Destroy video display
+ THROW_ON_ERROR(smVideoDisplayDestroy(&video_display_handle));
+
+ if (ftnoirConnected) {
+ if ( pMemData != NULL ) {
+ UnmapViewOfFile ( pMemData );
+ }
+
+ if (hSMMutex != 0) {
+ CloseHandle( hSMMutex );
+ }
+ hSMMutex = 0;
+
+ if (hSMMemMap != 0) {
+ CloseHandle( hSMMemMap );
+ }
+ hSMMemMap = 0;
+ }
+
+} // run()
+
+// Application entry point
+int _tmain(int /*argc*/, _TCHAR** /*argv*/)
+{
+ OutputDebugString(_T("_tmain() says: Starting Function\n"));
+
+ try
+ {
+ if (SMCreateMapping()) {
+ run();
+ }
+ }
+ catch (exception &e)
+ {
+ cerr << e.what() << endl;
+ }
+
+ return smAPIQuit();
+}
+
+//
+// This is called exactly once for each FaceAPI callback and must be within an exclusive lock
+//
+void updateHeadPose(smEngineHeadPoseData* temp_head_pose)
+{
+ //
+ // Check if the pointer is OK and wait for the Mutex.
+ //
+ if ( (pMemData != NULL) && (WaitForSingleObject(hSMMutex, 100) == WAIT_OBJECT_0) ) {
+
+ //
+ // Copy the Raw measurements directly to the client.
+ //
+ if (temp_head_pose->confidence > 0.0f)
+ {
+ memcpy(&pMemData->data.new_pose,temp_head_pose,sizeof(smEngineHeadPoseData));
+ }
+ ReleaseMutex(hSMMutex);
+ }
+};
+
+//
+// Create a memory-mapping to the faceAPI data.
+// It contains the tracking data, a command-code from FaceTrackNoIR
+//
+//
+bool SMCreateMapping()
+{
+ OutputDebugString(_T("FTCreateMapping says: Starting Function\n"));
+
+ //
+ // A FileMapping is used to create 'shared memory' between the faceAPI and FaceTrackNoIR.
+ // FaceTrackNoIR creates the mapping, this program only opens it.
+ // If it's not there: the program was apparently started by the user instead of FaceTrackNoIR...
+ //
+ // Open an existing FileMapping, Read/Write access
+ //
+ hSMMemMap = OpenFileMappingA( FILE_MAP_ALL_ACCESS , false , (LPCSTR) SM_MM_DATA );
+ if ( ( hSMMemMap != 0 ) ) {
+ ftnoirConnected = true;
+ OutputDebugString(_T("FTCreateMapping says: FileMapping opened successfully...\n"));
+ pMemData = (SMMemMap *) MapViewOfFile(hSMMemMap, FILE_MAP_ALL_ACCESS, 0, 0, sizeof(TFaceData));
+ if (pMemData != NULL) {
+ OutputDebugString(_T("FTCreateMapping says: MapViewOfFile OK.\n"));
+ pMemData->state = 0;
+ }
+ hSMMutex = CreateMutexA(NULL, false, SM_MUTEX);
+ }
+ else {
+ OutputDebugString(_T("FTCreateMapping says: FileMapping not opened...FaceTrackNoIR not connected!\n"));
+ ftnoirConnected = false;
+ pMemData = 0;
+ }
+
+ return true;
+}