You have hevc-file composed of several temporal layers (temporal scalability). Most of players would play all layers. However, OpenHEVC can be configured to play the base layer or two layers.

To download JM from here Enter to JM-master and make 'build' directory, then enter to the build folder and run the following command to create Visual Studio solution: cmake ..

Wireshark tool supports very informative parsing of mpegts files. Load ts-file and start analysis: 

One of the problems of WPP parallelization is long lags for CTU rows at the end of picture, because (k+1)-th thread starts after the previous one has completed two CTUs: