- addedd NCNN model support to rtsp_ai_player

- added printing of inference FPS
- simple AI test bench which can be used to compare models

misc/rtsp_ai_player/aiengine.cpp

@@ -1,5 +1,6 @@
 #include <QDebug>
 #include <opencv2/highgui.hpp>
+
 #include "aiengine.h"
 #include "aiengineinference.h"
 #include "aiengineimagesaver.h"
@@ -8,10 +9,14 @@
 #include "src-opi5/aiengineinferenceopi5.h"
 #elif defined(OPENCV_BUILD)
 #include "src-opencv-onnx/aiengineinferenceopencvonnx.h"
+#elif defined(NCNN_BUILD)
+#include "src-ncnn/aiengineinferencencnn.h"
 #else
 #include "src-onnx-runtime/aiengineinferenceonnxruntime.h"
 #endif
 
+
+
 AiEngine::AiEngine(QString modelPath, QObject *parent)
     : QObject{parent}
 {
@@ -27,6 +32,8 @@ AiEngine::AiEngine(QString modelPath, QObject *parent)
     mInference3->initialize(2);
 #elif defined(OPENCV_BUILD)
     mInference = new AiEngineInferenceOpencvOnnx(modelPath);
+#elif defined(NCNN_BUILD)
+    mInference = new AiEngineInferencevNcnn(modelPath);
 #else
     mInference = new AiEngineInferencevOnnxRuntime(modelPath);
 #endif
@@ -76,6 +83,7 @@ void AiEngine::inferenceResultsReceivedSlot(AiEngineInferenceResult result)
 {
     mFrameCounter++;
     qDebug() << "FPS = " << (mFrameCounter / (mElapsedTimer.elapsed()/1000.0f));
+    //qDebug() << "DEBUG. inference frame counter:" << mFrameCounter;
 
     //qDebug() << "AiEngine got inference results in thread: " << QThread::currentThreadId();
     if (mGimbalClient != nullptr) {
@@ -97,19 +105,24 @@ void AiEngine::frameReceivedSlot(cv::Mat frame)
 {
     //qDebug() << "AiEngine got frame from RTSP listener in thread: " << QThread::currentThreadId();
     //cv::imshow("Received Frame", frame);
+    static int framecounter = 0;
+    //qDebug() << "DEBUG. RTSP frame counter:" << framecounter;
 
     if (mInference->isActive() == false) {
         //qDebug() << "AiEngine. Inference thread is free. Sending frame to it.";
         emit inferenceFrame(frame);
+        framecounter++;
     }
 #ifdef OPI5_BUILD
     else if (mInference2->isActive() == false) {
         //qDebug() << "AiEngine. Inference thread is free. Sending frame to it.";
         emit inferenceFrame2(frame);
+        framecounter++;
     }
     else if (mInference3->isActive() == false) {
         //qDebug() << "AiEngine. Inference thread is free. Sending frame to it.";
         emit inferenceFrame3(frame);
+        framecounter++;
     }
 #endif
 }