Fixed #433

include/openpose/producer/datumProducer.hpp

@@ -97,6 +97,7 @@ namespace op
                         spVideoSeek->second = 0;
                     }
                 }
+                auto nextFrameName = spProducer->getNextFrameName();
                 auto cvMats = spProducer->getFrames();
                 auto cameraMatrices = spProducer->getCameraMatrices();
                 // Check frames are not empty
@@ -107,7 +108,7 @@ namespace op
                     // Datum cannot be assigned before resize()
                     auto& datum = (*datums)[0];
                     // Filling first element
-                    datum.name = spProducer->getFrameName();
+                    std::swap(datum.name, nextFrameName);
                     datum.cvInputData = cvMats[0];
                     if (!cameraMatrices.empty())
                         datum.cameraMatrix = cameraMatrices[0];

include/openpose/producer/flirReader.hpp

@@ -24,7 +24,7 @@ namespace op
 
         std::vector<cv::Mat> getCameraMatrices();
 
-        std::string getFrameName();
+        std::string getNextFrameName();
 
         bool isOpened() const;
 

include/openpose/producer/imageDirectoryReader.hpp

@@ -23,7 +23,7 @@ namespace op
 
         std::vector<cv::Mat> getCameraMatrices();
 
-        std::string getFrameName();
+        std::string getNextFrameName();
 
         inline bool isOpened() const
         {

include/openpose/producer/ipCameraReader.hpp

@@ -20,7 +20,7 @@ namespace op
 
         std::vector<cv::Mat> getCameraMatrices();
 
-        std::string getFrameName();
+        std::string getNextFrameName();
 
         inline double get(const int capProperty)
         {

include/openpose/producer/producer.hpp

@@ -52,7 +52,7 @@ namespace op
          * frame counter for webcam, the image name for image directory reader, etc.).
          * @return std::string with an unique frame name.
          */
-        virtual std::string getFrameName() = 0;
+        virtual std::string getNextFrameName() = 0;
 
         /**
          * This function sets whether the producer must keep the original fps frame rate or extract the frames as quick

include/openpose/producer/videoCaptureReader.hpp

@@ -34,7 +34,7 @@ namespace op
          */
         virtual ~VideoCaptureReader();
 
-        virtual std::string getFrameName() = 0;
+        virtual std::string getNextFrameName() = 0;
 
         inline bool isOpened() const
         {

include/openpose/producer/videoReader.hpp

@@ -22,7 +22,7 @@ namespace op
 
         std::vector<cv::Mat> getCameraMatrices();
 
-        std::string getFrameName();
+        std::string getNextFrameName();
 
         inline double get(const int capProperty)
         {

include/openpose/producer/webcamReader.hpp

@@ -31,7 +31,7 @@ namespace op
 
         std::vector<cv::Mat> getCameraMatrices();
 
-        std::string getFrameName();
+        std::string getNextFrameName();
 
         double get(const int capProperty);
 

src/openpose/producer/flirReader.cpp

@@ -46,7 +46,7 @@ namespace op
         }
     }
 
-    std::string FlirReader::getFrameName()
+    std::string FlirReader::getNextFrameName()
     {
         try
         {

src/openpose/producer/imageDirectoryReader.cpp

@@ -51,7 +51,7 @@ namespace op
         }
     }
 
-    std::string ImageDirectoryReader::getFrameName()
+    std::string ImageDirectoryReader::getNextFrameName()
     {
         try
         {

src/openpose/producer/ipCameraReader.cpp

@@ -25,11 +25,11 @@ namespace op
         }
     }
 
-    std::string IpCameraReader::getFrameName()
+    std::string IpCameraReader::getNextFrameName()
     {
         try
         {
-            return VideoCaptureReader::getFrameName();
+            return VideoCaptureReader::getNextFrameName();
         }
         catch (const std::exception& e)
         {

src/openpose/producer/videoCaptureReader.cpp

@@ -54,7 +54,7 @@ namespace op
         }
     }
 
-    std::string VideoCaptureReader::getFrameName()
+    std::string VideoCaptureReader::getNextFrameName()
     {
         try
         {

src/openpose/producer/videoReader.cpp

@@ -22,11 +22,11 @@ namespace op
         }
     }
 
-    std::string VideoReader::getFrameName()
+    std::string VideoReader::getNextFrameName()
     {
         try
         {
-            return mPathName + "_" + VideoCaptureReader::getFrameName();
+            return mPathName + "_" + VideoCaptureReader::getNextFrameName();
         }
         catch (const std::exception& e)
         {

src/openpose/producer/webcamReader.cpp

@@ -71,11 +71,11 @@ namespace op
         }
     }
 
-    std::string WebcamReader::getFrameName()
+    std::string WebcamReader::getNextFrameName()
     {
         try
         {
-            return VideoCaptureReader::getFrameName();
+            return VideoCaptureReader::getNextFrameName();
         }
         catch (const std::exception& e)
         {