[FFmpeg-user] MTS to MP4 lossless conversion issues

[Dan Bridges]

I too get

*track 1: codec frame size is not set* with 1080p60 .MTS media when
remuxed as .MP4 But VLC shows the converted .MP4 as 60p (59.94Hz).
Tested with Win64 FFMPEG version N-86504-gc557718bea and VLC 2.2.6

Dan.