Folder cameraParameters not required for video/image always

src/openpose/filestream/cocoJsonSaver.cpp

@@ -74,7 +74,7 @@ namespace op
                 else if (numberBodyParts == 23)
                     indexesInCocoOrder = std::vector<int>{18,21,19,22,20,    4,1,5,2,6,    3,13,8,14, 9,    15,10};
                 else
-                    error("Unvalid number of body parts (" + std::to_string(numberBodyParts) + ").",
+                    error("Invalid number of body parts (" + std::to_string(numberBodyParts) + ").",
                           __LINE__, __FUNCTION__, __FILE__);
                 for (auto bodyPart = 0u ; bodyPart < indexesInCocoOrder.size() ; bodyPart++)
                 {

src/openpose/producer/imageDirectoryReader.cpp

@@ -41,22 +41,25 @@ namespace op
     {
         try
         {
-            // Read camera parameters from SN
-            auto serialNumbers = getFilesOnDirectory(cameraParameterPath, ".xml");
-            // Security check
-            if (serialNumbers.size() != mImageDirectoryStereo && mImageDirectoryStereo > 1)
-                error("Found different number of camera parameter files than the number indicated by"
-                      " `--3d_views` ("
-                      + std::to_string(serialNumbers.size()) + " vs. "
-                      + std::to_string(mImageDirectoryStereo) + "). Make them equal or add"
-                      + " `--3d_views 1`",
-                      __LINE__, __FUNCTION__, __FILE__);
-            // Get serial numbers
-            for (auto& serialNumber : serialNumbers)
-                serialNumber = getFileNameNoExtension(serialNumber);
-            // Get camera paremeters
-            if (mImageDirectoryStereo > 1)
+            // If stereo setting --> load camera parameters
+            if (imageDirectoryStereo > 1)
+            {
+                // Read camera parameters from SN
+                auto serialNumbers = getFilesOnDirectory(cameraParameterPath, ".xml");
+                // Security check
+                if (serialNumbers.size() != mImageDirectoryStereo && mImageDirectoryStereo > 1)
+                    error("Found different number of camera parameter files than the number indicated by"
+                          " `--3d_views` ("
+                          + std::to_string(serialNumbers.size()) + " vs. "
+                          + std::to_string(mImageDirectoryStereo) + "). Make them equal or add"
+                          + " `--3d_views 1`",
+                          __LINE__, __FUNCTION__, __FILE__);
+                // Get serial numbers
+                for (auto& serialNumber : serialNumbers)
+                    serialNumber = getFileNameNoExtension(serialNumber);
+                // Get camera paremeters
                 mCameraParameterReader.readParameters(cameraParameterPath, serialNumbers);
+            }
         }
         catch (const std::exception& e)
         {

src/openpose/producer/producer.cpp

@@ -67,7 +67,7 @@ namespace op
                     flipAndRotate(frame);
                     // Check frame integrity
                     checkFrameIntegrity(frame);
-                    // If any frame unvalid --> exit
+                    // If any frame invalid --> exit
                     if (frame.empty())
                     {
                         frames.clear();

src/openpose/producer/videoReader.cpp

@@ -11,26 +11,27 @@ namespace op
     {
         try
         {
-            // Read camera parameters from SN
-            auto serialNumbers = getFilesOnDirectory(cameraParameterPath, ".xml");
-            // Security check
-            if (serialNumbers.size() != mImageDirectoryStereo && mImageDirectoryStereo > 1)
-                error("Found different number of camera parameter files than the number indicated by"
-                      " `--3d_views` ("
-                      + std::to_string(serialNumbers.size()) + " vs. "
-                      + std::to_string(mImageDirectoryStereo) + "). Make them equal or add"
-                      + " `--3d_views 1`",
-                      __LINE__, __FUNCTION__, __FILE__);
-            // Get serial numbers
-            for (auto& serialNumber : serialNumbers)
-                serialNumber = getFileNameNoExtension(serialNumber);
-            // Get camera paremeters
-            if (mImageDirectoryStereo > 1)
+            // If stereo setting --> load camera parameters
+            if (imageDirectoryStereo > 1)
+            {
+                // Read camera parameters from SN
+                auto serialNumbers = getFilesOnDirectory(cameraParameterPath, ".xml");
+                // Security check
+                if (serialNumbers.size() != mImageDirectoryStereo && mImageDirectoryStereo > 1)
+                    error("Found different number of camera parameter files than the number indicated by"
+                          " `--3d_views` ("
+                          + std::to_string(serialNumbers.size()) + " vs. "
+                          + std::to_string(mImageDirectoryStereo) + "). Make them equal or add"
+                          + " `--3d_views 1`",
+                          __LINE__, __FUNCTION__, __FILE__);
+                // Get serial numbers
+                for (auto& serialNumber : serialNumbers)
+                    serialNumber = getFileNameNoExtension(serialNumber);
+                // Get camera paremeters
                 mCameraParameterReader.readParameters(cameraParameterPath, serialNumbers);
-            // Set video size
-            if (mImageDirectoryStereo > 1)
+                // Set video size
                 set(CV_CAP_PROP_FRAME_WIDTH, get(CV_CAP_PROP_FRAME_WIDTH)/mImageDirectoryStereo);
-                // set(CV_CAP_PROP_FRAME_HEIGHT)
+            }
         }
         catch (const std::exception& e)
         {