Can you select the file and press Ctrl + T and check whether %_video_height% and %_video_width% show anything?
The other issue you're describing I don't understand. If it doesn't relate to MP4 HEVC, please open another topic if it's relevant.
Can you select the file and press Ctrl + T and check whether %_video_height% and %_video_width% show anything?
The other issue you're describing I don't understand. If it doesn't relate to MP4 HEVC, please open another topic if it's relevant.