debug-printing

inference_base.cpp

@@ -46,9 +46,12 @@ int InferenceBase::Init(string videoStream)
 
     if (ReadClassLabels() != 0)
     {
+        LOG(ERROR) << "ReadClassLabels returned non-zero\n";
         return -1;
     }
 
+    LOG(INFO) << "CUDA INIT DONE\n";
+
     /*
     if (ReadGraph() != 0)
     {
@@ -72,6 +75,7 @@ int InferenceBase::Init(string videoStream)
     */
 
     isInitialized = true;
+
     return 0;
 }
 

inference_base.h

@@ -42,6 +42,8 @@ class InferenceBase
         , thresholdIOU(threshIOU)
         , isInitialized(false)
         , labelsMap()
+        , width(1280)
+        , height(720)
         , debug(dbg)
         {}
     virtual ~InferenceBase() {}

inference_tf.cpp

@@ -25,9 +25,13 @@ int InferenceTensorflow::Init(string videoStream)
 {
     if (InferenceBase::Init(videoStream) != 0)
     {
+        LOG(INFO) << "Init(videostream) exit non-zero (aka huge fail)";
         return -1;
     }
 
+    LOG(INFO) << "Init(videostream): PASS\n";
+    LOG(INFO) << "The session must exist at this point, see loadGraph() in inference_base.cpp";
+
     // configure callable options
     opts.add_feed(inputLayer);
     for (auto const &value : outputLayer)
@@ -45,6 +49,8 @@ int InferenceTensorflow::Init(string videoStream)
         LOG(ERROR) << "Failed to make callable";
     }
 
+    LOG(INFO) << "Shape of the GPU tensor: (1, " << height << ", " << width << ", 3)\n";
+
     // allocate tensor on the GPU
     tensorflow::TensorShape shape = tensorflow::TensorShape({1, height, width, 3});