The problem has been determined to be due to saving MPEG-TS video data starting from random points in the stream instead of from a key-frame.
See this thread for a more useful discussion about how to possibly fix it:
The problem has been determined to be due to saving MPEG-TS video data starting from random points in the stream instead of from a key-frame.
See this thread for a more useful discussion about how to possibly fix it: